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1 2009-04-17  Richard Guenther  <rguenther@suse.de>
2
3         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
4         for decl-vs-decl disambiguation.
5
6 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7
8         * config/s390/s390.h (s390_tune_attr): New macro definition.
9         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
10
11 2009-04-17  Richard Guenther  <rguenther@suse.de>
12
13         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
14         (fold_stmt_r): Likewise.
15         (maybe_fold_reference): New function.
16         (fold_gimple_assign): Handle cases fold_stmt_r did.
17         (fold_stmt): Do not use fold_stmt_r.
18         (fold_stmt_inplace): Likewise.
19
20 2009-04-17  Richard Guenther  <rguenther@suse.de>
21
22         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
23         (record_equivalences_from_stmt): Remove useless checks and
24         simplifications.
25         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
26         the type is already suitable.
27
28 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
29
30         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
31
32 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
33
34         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
35         (CMPtype): Define as __gcc_CMPtype.
36
37 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
38
39         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
40         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
41
42 2009-04-17  Richard Guenther  <rguenther@suse.de>
43
44         PR tree-optimization/39746
45         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
46         special-casing for builtins and static variable use/def.
47         (call_may_clobber_ref_p_1): Likewise.
48
49 2009-04-16  Ian Lance Taylor  <iant@google.com>
50
51         * df.h: Include "timevar.h".
52         (struct df_problem): Change tv_id field to timevar_id_t.
53         * tree-pass.h: Include "timevar.h".
54         (struct opt_pass): Change tv_id field to timevar_id_t.
55         * timevar.h (timevar_id_t): Define TV_NONE.
56         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
57         TV_NONE rather than tv_id != 0.
58         (execute_one_pass): Likewise.
59         * Makefile.in (DF_H): Add $(TIMEVAR_H).
60         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
61         dependencies to $(TREE_PASS_H).
62         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
63         to TV_NONE.
64         (pass_branch_target_load_optimize2): Likewise.
65         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
66         (pass_outof_cfg_layout_mode): Likewise.
67         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
68         (pass_rebuild_cgraph_edges): Likewise.
69         (pass_remove_cgraph_callee_edges): Likewise.
70         * df-core.c (pass_df_initialize_opt): Likewise.
71         (pass_df_initialize_no_opt): Likewise.
72         (pass_df_finish): Likewise.
73         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
74         * except.c (pass_set_nothrow_function_flags): Likewise.
75         (pass_convert_to_eh_region_ranges): Likewise.
76         * final.c (pass_compute_alignments): Likewise.
77         * function.c (pass_instantiate_virtual_regs): Likewise.
78         (pass_init_function): Likewise.
79         (pass_leaf_regs): Likewise.
80         (pass_match_asm_constraints): Likewise.
81         * gimple-low.c (pass_lower_cf): Likewise.
82         (pass_mark_used_blocks): Likewise.
83         * init-regs.c (pass_initialize_regs): Likewise.
84         * integrate.c (pass_initial_value_sets): Likewise.
85         * ira.c (pass_ira): Likewise.
86         * jump.c (pass_cleanup_barriers): Likewise.
87         * omp-low.c (pass_expand_omp): Likewise.
88         (pass_lower_omp): Likewise.
89         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
90         * recog.c (pass_split_all_insns): Likewise.
91         (pass_split_after_reload): Likewise.
92         (pass_split_before_regstack): Likewise.
93         (pass_split_before_sched2): Likewise.
94         (pass_split_for_shorten_branches): Likewise.
95         * reginfo.c (pass_reginfo_init): Likewise.
96         (pass_subregs_of_mode_init): Likewise.
97         (pass_subregs_of_mode_finish): Likewise.
98         * passes.c (pass_postreload): Likewise.
99         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
100         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
101         (pass_warn_function_return): Likewise.
102         (pass_warn_function_noreturn): Likewise.
103         * tree-complex.c (pass_lower_complex): Likewise.
104         (pass_lower_complex_O0): Likewise.
105         * tree-if-conv.c (pass_if_conversion): Likewise.
106         * tree-into-ssa.c (pass_build_ssa): Likewise.
107         * tree-mudflap.c (pass_mudflap_1): Likewise.
108         (pass_mudflap_2): Likewise.
109         * tree-nomudflap.c (pass_mudflap_1): Likewise.
110         (pass_mudflap_2): Likewise.
111         * tree-nrv.c (pass_return_slot): Likewise.
112         * tree-object-size.c (pass_object_sizes): Likewise.
113         * tree-optimize.c (pass_all_optimizations): Likewise.
114         (pass_early_local_passes): Likewise.
115         (pass_all_early_optimizations): Likewise.
116         (pass_cleanup_cfg): Likewise.
117         (pass_cleanup_cfg_post_optimizing): Likewise.
118         (pass_free_datastructures): Likewise.
119         (pass_free_cfg_annotations): Likewise.
120         (pass_fixup_cfg): Likewise.
121         (pass_init_datastructures): Likewise.
122         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
123         (pass_late_warn_uninitialized): Likewise.
124         (pass_update_address_taken): Likewise.
125         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
126         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
127         (pass_cse_sincos): Likewise.
128         (pass_convert_to_rsqrt): Likewise.
129         * tree-ssa-structalias.c (pass_build_alias): Likewise.
130         * tree-stdarg.c (pass_stdarg): Likewise.
131         * tree-tailcall.c (pass_tail_recursion): Likewise.
132         (pass_tail_calls): Likewise.
133         * tree-vect-generic.c (pass_lower_vector): Likewise.
134         (pass_lower_vector_ssa): Likewise.
135         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
136
137 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
138
139         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
140         XLR entry.
141         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
142         Handle -march=xlr.
143         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
144         logical and signext.
145
146 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
147
148         PR target/39767
149         * config/sh/predicates.md (arith_operand): Check if the operand
150         of TRUNCATE is a REG.
151
152 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
153
154         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
155         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
156
157 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
158
159         * tree-iterator.c (tsi_split_statement_list_after,
160         tsi_split_statement_list_before): Remove.
161         * tree-iterator.h: Remove the prototypes for
162         tsi_split_statement_list_after and tsi_split_statement_list_before.
163
164 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
165
166         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
167         * tree-ssa-propagate.h: Remove the prototype for
168         stmt_makes_single_load.
169
170 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
171
172         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
173         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
174
175 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
176
177         * tree-iterator.c (EXPR_LAST_BODY): Remove.
178
179 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
180
181         * except.c (eh_region_outer_p): Remove.
182         * except.h: Remove the prototype for eh_region_outer_p.
183
184 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
185
186         * function.c (current_function_assembler_name): Remove.
187         * function.h: Remove the prototype for
188         current_function_assembler_name.
189
190 2009-04-16  Ian Lance Taylor  <iant@google.com>
191
192         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
193         (add_reg_note): Call alloc_reg_note.
194         * rtl.h (alloc_reg_note): Declare.
195         * combine.c (try_combine): Use alloc_reg_note.
196         (recog_for_combine, move_deaths): Likewise.
197         (distribute_notes): Use alloc_reg_note and add_reg_note.
198         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
199         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
200         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
201
202 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
203
204         PR rtl-optimization/39762
205         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
206         ira_may_move_out_cost): Add comments about way of their usage.
207         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
208         
209         * ira-conflicts.c (process_regs_for_copy): Use function
210         ira_get_register_move_cost instead of global
211         ira_register_move_cost.
212
213         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
214         color_pass, move_spill_restore, update_curr_costs): Ditto.
215
216         * ira-lives.c (process_single_reg_class_operands): Ditto.
217
218         * ira-emit.c (emit_move_list): Ditto.
219
220         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
221         (record_reg_classes): Ditto.  Use functions
222         ira_get_register_move_cost and ira_get_may_move_cost instead of
223         global vars ira_register_move_cost, ira_may_move_out_cost and
224         ira_may_move_in_cost.
225         (record_address_regs): Don't call ira_init_register_move_cost.
226         Use function ira_get_may_move_cost instead of global
227         ira_may_move_in_cost.
228         (process_bb_node_for_hard_reg_moves): Use function
229         ira_get_register_move_cost instead of global ira_register_move_cost.
230         (ira_costs): Don't call ira_init_register_move_cost.
231         
232 2009-04-16  Richard Guenther  <rguenther@suse.de>
233
234         * tree-cfg.c (verify_gimple_assign_binary):
235         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
236         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
237         (create_general_new_stmt): Note that this function is broken.
238
239 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
240
241         * common.opt (fhelp): Add Var(help_flag).
242         * gcc-plugin.h (plugin_info): Add help.
243         * plugin.c (plugin_name_args): Add help.
244         (register_plugin_info): Set plugin->help.
245         (print_help_one_plugin): New.
246         (print_plugins_help): New.
247         * plugin.h (print_plugins_help): New.
248         * toplev.c (toplev_main): Call print_plugins_help if needed.
249
250 2009-04-16  Richard Guenther  <rguenther@suse.de>
251
252         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
253         (gimple_ior_addresses_taken_1): New function.
254         (gimple_ior_addresses_taken): Likewise.
255         * gimple.h (struct gimple_statement_with_ops_base): Remove
256         addresses_taken member.
257         (gimple_ior_addresses_taken): Declare.
258         (gimple_addresses_taken, gimple_addresses_taken_ptr,
259         gimple_set_addresses_taken): Remove.
260         * ipa-reference.c (mark_address): New function.
261         (scan_stmt_for_static_refs): Use it for marking addresses taken.
262         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
263         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
264         (gimple_add_to_addresses_taken): Remove.
265         (get_tmr_operands): Call mark_address_taken.
266         (get_asm_expr_operands): Likewise.
267         (get_expr_operands): Likewise.
268         (build_ssa_operands): Do not clear the addresses_taken bitmap.
269         (free_stmt_operands): Do not free it.
270         * tree-ssa.c (delete_tree_ssa): Likewise.
271         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
272
273 2009-04-16  Richard Guenther  <rguenther@suse.de>
274
275         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
276         (walk_stmt_load_store_ops): Likewise.
277         * gimple.c (get_base_loadstore): New function.
278         (walk_stmt_load_store_addr_ops): Likewise.
279         (walk_stmt_load_store_ops): Likewise.
280         * ipa-pure-const.c (check_op): Simplify.
281         (check_load, check_store): New functions.
282         (check_stmt): Use walk_stmt_load_store_ops.
283         * ipa-reference.c (mark_load): Adjust signature.
284         (mark_store): Likewise.
285         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
286
287 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
288
289         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
290         (plugin_info): New.
291         * opts.c (common_handle_option): Don't call print_version.
292         * plugin.c (plugin_name_args): Add version.
293         (register_plugin_info): New.
294         (register_callback): Handle PLUGIN_INFO.
295         (try_init_one_plugin): New.
296         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
297         if failed to init.
298         (finalize_one_plugin): New.
299         (finalize_plugins): New.
300         (print_one_plugin): New.
301         (print_plugins_versions): New.
302         * plugin.h (print_plugins_versions): New.
303         (finalize_plugins): New.
304         * toplev.c (compile_file): Don't call initialize_plugins.
305         (print_version): Call print_plugins_versions.
306         (toplev_main): Call initialize_plugins. Print version if needed.
307         Call finalize_plugins.
308
309 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
310
311         * common.opt (fversion): New.
312         * gcc.c (print_version): New.
313         (process_command): Don't print the version. Just set print_version.
314         (main): Print version. Call subprocesses if print_version and
315         verbose_flag are set.
316         * opts.c (common_handle_option): Handle OPT_fversion.
317
318 2009-04-16  Richard Guenther  <rguenther@suse.de>
319             Ira Rosen  <irar@il.ibm.com>
320
321         PR tree-optimization/39698
322         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
323         type of the reduction variable.  Only generate the def if
324         it is needed.
325
326         * omp-low.c (expand_omp_for_generic): When converting to a pointer
327         make sure to first convert to an integer of the same precision.
328         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
329         the type of the evolution correctly in computing the new
330         induction variable base.
331
332 2009-04-16  Richard Guenther  <rguenther@suse.de>
333
334         PR middle-end/39625
335         * tree-cfg.c (make_blocks): Split statements with to-be
336         abnormal SSA names on the lhs.
337
338 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
339
340         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
341         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
342         * c-typeck.c (really_start_incremental_init): Likewise.
343         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
344         (TARGET_INITIALIZER): Remove it.
345         * target.h (struct target): Remove vector_opaque_p.
346         * tree.c (build_opaque_vector_type): New.
347         * tree.h (TYPE_VECTOR_OPAQUE): New.
348         (build_opaque_vector_type): Declare.
349         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
350         * config/rs6000/rs6000.c (build_opaque_vector_type,
351         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
352         (rs6000_init_builtins): Use build_opaque_vector_type for
353         opaque_V4SI_type_node.
354
355 2009-04-15  Catherine Moore  <clm@codesourcery.com>
356
357         * debug.h (set_name):  Declare.
358         * dwarf2out.c (dwarf2out_set_name): Declare.
359         (dwarf2_debug_hooks): Add set_name.
360         (find_AT_string): New.
361         (add_AT_string): Call find_AT_string.
362         (dwarf2out_set_name): New.
363         * cp/decl.c (grokdeclarator): Call set_name.
364         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
365         * debug.c (do_nothing_debug_hooks):  Likewise.
366         * dbxout.c (dbx_debug_hooks): Likewise.
367         * sdbout.c (sdb_debug_hooks): Likewise.
368
369 2009-04-15  Michael Eager <eager@eagercon.com>
370
371         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
372         reg for single-precision FPU.
373         * config/rs6000/rs6000.md (movsi_internal1): Only for
374         !TARGET_SINGLE_FPU.
375         (movsi_internal1_single): New. Add pattern to move SI values to/from
376         single-precision FP regs.
377
378 2009-04-15  Richard Guenther  <rguenther@suse.de>
379
380         * omp-low.c (lower_rec_input_clauses): Build correct address
381         expressions.
382         (expand_omp_for_generic): Fix multiplication type.
383         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
384         (generate_memset_zero): Fix types.
385         * tree-profile.c (prepare_instrumented_value): Correctly
386         widen a pointer.
387
388 2009-04-15  Ian Lance Taylor  <iant@google.com>
389
390         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
391         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
392         for -Wall and for -Wc++-compat.
393         (c_common_post_options): For C++, set warn_enum_compare if not
394         already set.
395         * c-tree.h (struct c_expr): Add field original_type.
396         (build_external_ref): Update declaration.
397         * c-parser.c (c_parser_braced_init): Set original_type.
398         (c_parser_initelt): Likewise.
399         (c_parser_expr_no_commas): Likewise.
400         (c_parser_conditional_expression): Likewise.
401         (c_parser_cast_expression): Likewise.
402         (c_parser_unary_expression): Likewise.  Pull setting of
403         original_code to top of function.
404         (c_parser_sizeof_expression): Set original_type.
405         (c_parser_alignof_expression): Likewise.
406         (c_parser_postfix_expression): Likewise.  Pull setting of
407         original_code to top of function.
408         (c_parser_postfix_expression_after_paren_type): Set original_type.
409         (c_parser_postfix_expression_after_primary): Likewise.
410         (c_parser_expression): Likewise.
411         * c-typeck.c (build_external_ref): Add type parameter.  Change all
412         callers.
413         (c_expr_sizeof_expr): Set original_type field.
414         (parser_build_unary_op): Likewise.
415         (parser_build_binary_op): Likewise.  Optionally warn about
416         comparisons of enums of different types.
417         (digest_init): Set original_type field.
418         (really_start_incremental_init): Likewise.
419         (push_init_level, pop_init_level): Likewise.
420         * doc/invoke.texi (Warning Options): -Wenum-compare now
421         supported in C.
422
423 2009-04-15  Richard Guenther  <rguenther@suse.de>
424
425         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
426         out a necessary conversion.
427         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
428         names we didn't value number.
429         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
430
431 2009-04-15  Richard Guenther  <rguenther@suse.de>
432
433         PR tree-optimization/39764
434         * tree-ssa-ccp.c (get_value): Canonicalize value with
435         canonicalize_float_value.
436
437 2009-04-15  Jan Hubicka  <jh@suse.cz>
438
439         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
440         Wrong version of patch.
441
442 2009-04-15  Jan Hubicka  <jh@suse.cz>
443
444         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
445
446 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
447
448         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
449         our distinct integral and vector types.
450
451 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
452
453         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
454         * init.c (build_vtbl_address): Remove call to assemble_external.
455
456 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
457
458         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
459         output for other floating point modes.
460
461 2009-04-14  Diego Novillo  <dnovillo@google.com>
462
463         * diagnostic.c (diagnostic_report_diagnostic): Do not
464         warn about loaded plugins for DK_ERROR and DK_WARNING.
465         * c-decl.c (declspecs_add_type): Move call to
466         invoke_plugin_callbacks ...
467         * c-parser.c (c_parser_declspecs): ... here.
468         * plugin.c (dump_active_plugins): Tidy output.
469
470 2009-04-14  Diego Novillo  <dnovillo@google.com>
471             Le-Chun Wu  <lcwu@google.com>
472
473         * configure.ac: Add --enable-plugin support.
474         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
475         * Makefile.in (PLUGIN_H): Define.
476         Export ENABLE_PLUGIN and GMPINC to site.exp.
477         Add PLUGINLIBS to link command.
478         Add/modify dependencies for plugin.o and files including plugin.h.
479         (plugin.o): New.
480         * config.in: Regenerate.
481         
482         * opts.c (common_handle_option): Handle OPT_fplugin_ and
483         OPT_fplugin_arg_.
484
485 2009-04-14  Le-Chun Wu  <lcwu@google.com>
486
487         * tree-pass.h (register_one_dump_file): Add a prototype for
488         register_one_dump_file.
489         * toplev.c (compile_file): Call initialize_plugins.
490         (do_compile): Call invoke_plugin_callbacks.
491         (toplev_main): Call invoke_plugin_callbacks.
492         * common.opt: Add -fplugin= and -fplugin-arg-.
493         * gcc-plugin.h: New public header file for plugins to include.
494         * plugin.c: New source file.
495         * plugin.h: New internal header file.
496         * passes.c (register_one_dump_file): Make it external.
497         
498         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
499
500 2009-04-14  Diego Novillo  <dnovillo@google.com>
501
502         * doc/plugins.texi: New.
503         * doc/gccint.texi: Add reference to Plugins chapter.
504         * doc/invoke.texi: Document -fplugin and -fplugin-arg
505         * diagnostic.c (diagnostic_report_diagnostic): Warn about
506         loaded plugins, if any.
507         * timevar.def (TV_PLUGIN_INIT): Define.
508         (TV_PLUGIN_RUN): Define.
509         * plugin.c: Include timevar.h
510         (plugins_active_p): New.
511         (dump_active_plugins): New.
512         (debug_active_plugins): New.
513
514 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
515
516         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
517         library paths.
518         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
519
520 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
521
522         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
523         the same as a minus without a shift.
524
525 2009-04-14  Nick Clifton  <nickc@redhat.com>
526
527         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
528         comparisons with small integers will always produce a short
529         branch.
530
531 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
532
533         Merge:
534         2008-12-19  Diego Novillo  <dnovillo@google.com>
535
536         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
537
538 2000-04-14  Richard Guenther  <rguenther@suse.de>
539
540         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
541         verification.
542         (verify_gimple_assign_binary): Likewise.  Handle shifts and
543         rotates correctly.
544         (verify_gimple_phi): Print the mismatched argument position.
545         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
546         Fix types.
547         (vect_update_init_of_dr): Likewise.
548         * matrix-reorg.c (transform_access_sites): Do what the
549         comment suggests.
550         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
551
552 2009-04-13  Michael Eager <eager@eagercon.com>
553
554         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
555         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
556         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
557         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
558         remove duplicate config
559
560 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
561
562         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
563         file_name:line_number type locator of the call site.
564         
565 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
566
567         * genautomata.c: Put blank after comma.
568         (automaton_decls): New.
569         (struct unit_usage): Add comments to member next.
570         (store_alt_unit_usage): Keep the list ordered.
571         (unit_present_on_list_p, equal_alternatives_p): New.
572         (check_regexp_units_distribution): Check units distribution
573         correctness correctly.
574         (main): Don't write automata if error is found.  Return correct
575         exit code.
576         
577         * config/m68k/cf.md (cfv4_ds): Remove.
578         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
579         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
580
581         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
582         power4-load-ext, power4-store, power4-store-update,
583         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
584         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
585         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
586         power4-sqrt, power4-isync): Modify reservation to make correct
587         unit distribution to automata.
588
589         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
590         power5-store-update, power5-two, power5-three, power5-lmul,
591         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
592         
593 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
594
595         * except.c (pass_set_nothrow_function_flags): Set name and add
596         TODO_dump_func.
597         (set_nothrow_function_flags): Mention in the dump file when
598         changing a function to nothrow.
599
600 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
601
602         PR/39066
603         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
604         instead of unsigned long.
605
606 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
607
608         * config/arm/arm.c (return_used_this_function): Remove.
609         (arm_output_function_prologue): Remove use of
610         return_used_this_function.
611         (output_return_instruction): Replace use of
612         return_used_this_function
613         by cfun->machine->return_used_this_function.
614         (arm_output_epilogue): Likewise.
615         (arm_output_function_epilogue): Likewise.
616         (thumb_unexpanded_epilogue): Likewise.
617         * config/arm/arm.h (struct machine_function):
618         New member return_used_this_function.
619
620 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
621
622         * doc/install.texi: Correct description of default directory for
623         --with-gxx-include-dir.
624
625 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
626
627         * fold-const.c (build_range_check): Properly deal with enumeral and
628         boolean base types.
629
630 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
631
632         * doc/invoke.texi (max_gcse_passes): Remove documentation.
633         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
634         * params.h (MAX_GCSE_PASSES): Remove.
635         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
636         in sequence.  Remove ability to run multiple passes.
637         (bypass_jumps): Report run as third CPROP pass.
638
639 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
640
641         PR middle-end/39651
642         * except.c (can_throw_external): Look at each insn in a SEQUENCE
643         when deciding whether the whole SEQUENCE can throw.
644
645 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
646
647         PR target/39740
648         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
649         offseted label references.
650
651 2009-04-11  Jan Hubicka  <jh@suse.cz>
652
653         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
654
655 2009-04-11  Richard Guenther  <rguenther@suse.de>
656
657         PR middle-end/39732
658         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
659         return variables as TREE_ADDRESSABLE.
660
661 2009-04-11  Richard Guenther  <rguenther@suse.de>
662
663         PR tree-optimization/39713
664         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
665         reference trees have SSA_NAME operands.
666
667 2009-04-11  Richard Guenther  <rguenther@suse.de>
668
669         PR c/39712
670         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
671         address expressions.
672
673 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
674
675         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
676         match changes in Cygwin 1.7
677         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
678         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
679
680 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
681
682         PR tree-optimization/39701
683         * doc/invoke.texi (Optimization Options): Document change in
684         meaning and initialization of -fdelete-null-pointer-checks.
685
686 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
687
688         PR middle-end/39701
689         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
690
691         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
692         here.
693
694         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
695
696 2009-04-10  Chao-ying Fu  <fu@mips.com>
697
698         * doc/tm.texi (Instruction Output): Document
699         TARGET_ASM_FINAL_POSTSCAN_INSN.
700         * target.h (final_postscan_insn): New field in asm_out.
701         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
702         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
703         * final.c (final_scan_insn): Call
704         targetm.asm_out.final_postscan_insn after outputting
705         an asm macro and a normal instruction.
706
707         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
708         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
709         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
710         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
711         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
712
713 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
714
715         PR middle-end/39701
716         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
717         variables as non-NULL even with -fdelete-null-pointer-checks.
718
719 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
720
721         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
722
723 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
724
725         PR target/39678
726         * config/i386/i386.c (classify_argument): Handle SCmode with
727         (bit_offset % 64) != 0.
728
729 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
730
731         * doc/invoke.texi (Optimize Options): Add cross-reference to
732         -Q --help=optimizers examples.
733
734 2009-04-10  Ben Elliston  <bje@au.ibm.com>
735
736         PR target/36800
737         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
738         regalign for the reg == fpr and TDmode case.
739
740 2009-04-09  David Ayers  <ayers@fsfe.org>
741
742         PR objc/29200
743         * objc/objc-act.c (warn_with_method): Remove helper function.
744         (check_duplicates): Call warning and inform directly.
745         (really_start_method): Likewise.
746
747 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
748
749         * expmed.c (expand_divmod): Always use a comparison for a division
750         by a large unsigned integer.
751
752         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
753         for things others than variables or functions as nonzero.
754
755 2009-04-09  Nick Clifton  <nickc@redhat.com>
756
757         * unwind-compat.c: Change copyright header to refer to version
758         3 of the GNU General Public License with version 3.1 of the
759         GCC Runtime Library Exception and to point readers at the
760         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
761         * config/alpha/crtfastmath.c: Likewise.
762         * config/alpha/linux-unwind.h: Likewise.
763         * config/alpha/qrnnd.asm: Likewise.
764         * config/alpha/vms-crt0-64.c: Likewise.
765         * config/alpha/vms-crt0.c: Likewise.
766         * config/alpha/vms-dwarf2.asm: Likewise.
767         * config/alpha/vms-dwarf2eh.asm: Likewise.
768         * config/alpha/vms-psxcrt0-64.c: Likewise.
769         * config/alpha/vms-psxcrt0.c: Likewise.
770         * config/alpha/vms_tramp.asm: Likewise.
771         * config/arc/initfini.c: Likewise.
772         * config/arc/lib1funcs.asm: Likewise.
773         * config/arm/bpabi-v6m.S: Likewise.
774         * config/arm/bpabi.S: Likewise.
775         * config/arm/bpabi.c: Likewise.
776         * config/arm/crti.asm: Likewise.
777         * config/arm/crtn.asm: Likewise.
778         * config/arm/ieee754-df.S: Likewise.
779         * config/arm/ieee754-sf.S: Likewise.
780         * config/arm/lib1funcs.asm: Likewise.
781         * config/arm/libunwind.S: Likewise.
782         * config/arm/linux-atomic.c: Likewise.
783         * config/arm/mmintrin.h: Likewise.
784         * config/arm/pr-support.c: Likewise.
785         * config/arm/unaligned-funcs.c: Likewise.
786         * config/arm/unwind-arm.c: Likewise.
787         * config/arm/unwind-arm.h: Likewise.
788         * config/avr/libgcc.S: Likewise.
789         * config/bfin/crti.s: Likewise.
790         * config/bfin/crtlibid.s: Likewise.
791         * config/bfin/crtn.s: Likewise.
792         * config/bfin/lib1funcs.asm: Likewise.
793         * config/bfin/linux-unwind.h: Likewise.
794         * config/cris/arit.c: Likewise.
795         * config/cris/cris_abi_symbol.c: Likewise.
796         * config/darwin-64.c: Likewise.
797         * config/darwin-crt2.c: Likewise.
798         * config/darwin-crt3.c: Likewise.
799         * config/darwin.h: Likewise.
800         * config/dbxelf.h: Likewise.
801         * config/dfp-bit.c: Likewise.
802         * config/dfp-bit.h: Likewise.
803         * config/elfos.h: Likewise.
804         * config/fixed-bit.c: Likewise.
805         * config/fixed-bit.h: Likewise.
806         * config/fp-bit.c: Likewise.
807         * config/fp-bit.h: Likewise.
808         * config/fr30/crti.asm: Likewise.
809         * config/fr30/crtn.asm: Likewise.
810         * config/fr30/lib1funcs.asm: Likewise.
811         * config/freebsd-spec.h: Likewise.
812         * config/frv/cmovd.c: Likewise.
813         * config/frv/cmovh.c: Likewise.
814         * config/frv/cmovw.c: Likewise.
815         * config/frv/frvbegin.c: Likewise.
816         * config/frv/frvend.c: Likewise.
817         * config/frv/lib1funcs.asm: Likewise.
818         * config/glibc-stdint.h: Likewise.
819         * config/h8300/clzhi2.c: Likewise.
820         * config/h8300/crti.asm: Likewise.
821         * config/h8300/crtn.asm: Likewise.
822         * config/h8300/ctzhi2.c: Likewise.
823         * config/h8300/fixunssfsi.c: Likewise.
824         * config/h8300/lib1funcs.asm: Likewise.
825         * config/h8300/parityhi2.c: Likewise.
826         * config/h8300/popcounthi2.c: Likewise.
827         * config/i386/ammintrin.h: Likewise.
828         * config/i386/att.h: Likewise.
829         * config/i386/avxintrin.h: Likewise.
830         * config/i386/biarch64.h: Likewise.
831         * config/i386/bmmintrin.h: Likewise.
832         * config/i386/cpuid.h: Likewise.
833         * config/i386/cross-stdarg.h: Likewise.
834         * config/i386/crtfastmath.c: Likewise.
835         * config/i386/crtprec.c: Likewise.
836         * config/i386/cygming-crtbegin.c: Likewise.
837         * config/i386/cygming-crtend.c: Likewise.
838         * config/i386/cygwin.asm: Likewise.
839         * config/i386/emmintrin.h: Likewise.
840         * config/i386/gmm_malloc.h: Likewise.
841         * config/i386/gthr-win32.c: Likewise.
842         * config/i386/i386.h: Likewise.
843         * config/i386/immintrin.h: Likewise.
844         * config/i386/linux-unwind.h: Likewise.
845         * config/i386/linux64.h: Likewise.
846         * config/i386/mm3dnow.h: Likewise.
847         * config/i386/mmintrin-common.h: Likewise.
848         * config/i386/mmintrin.h: Likewise.
849         * config/i386/nmmintrin.h: Likewise.
850         * config/i386/pmm_malloc.h: Likewise.
851         * config/i386/pmmintrin.h: Likewise.
852         * config/i386/smmintrin.h: Likewise.
853         * config/i386/sol2-c1.asm: Likewise.
854         * config/i386/sol2-ci.asm: Likewise.
855         * config/i386/sol2-cn.asm: Likewise.
856         * config/i386/sol2-gc1.asm: Likewise.
857         * config/i386/tmmintrin.h: Likewise.
858         * config/i386/unix.h: Likewise.
859         * config/i386/w32-unwind.h: Likewise.
860         * config/i386/wmmintrin.h: Likewise.
861         * config/i386/x86-64.h: Likewise.
862         * config/i386/x86intrin.h: Likewise.
863         * config/i386/xmmintrin.h: Likewise.
864         * config/ia64/crtbegin.asm: Likewise.
865         * config/ia64/crtend.asm: Likewise.
866         * config/ia64/crtfastmath.c: Likewise.
867         * config/ia64/crti.asm: Likewise.
868         * config/ia64/crtn.asm: Likewise.
869         * config/ia64/fde-glibc.c: Likewise.
870         * config/ia64/lib1funcs.asm: Likewise.
871         * config/ia64/linux-unwind.h: Likewise.
872         * config/ia64/quadlib.c: Likewise.
873         * config/ia64/unwind-ia64.c: Likewise.
874         * config/linux.h: Likewise.
875         * config/m32c/m32c-lib1.S: Likewise.
876         * config/m32c/m32c-lib2-trapv.c: Likewise.
877         * config/m32c/m32c-lib2.c: Likewise.
878         * config/m32r/initfini.c: Likewise.
879         * config/m68hc11/larith.asm: Likewise.
880         * config/m68hc11/m68hc11-crt0.S: Likewise.
881         * config/m68k/cf.md: Likewise.
882         * config/m68k/crti.s: Likewise.
883         * config/m68k/crtn.s: Likewise.
884         * config/m68k/lb1sf68.asm: Likewise.
885         * config/m68k/linux-unwind.h: Likewise.
886         * config/mcore/crti.asm: Likewise.
887         * config/mcore/crtn.asm: Likewise.
888         * config/mcore/lib1.asm: Likewise.
889         * config/mips/linux-unwind.h: Likewise.
890         * config/mips/loongson.h: Likewise.
891         * config/mips/mips16.S: Likewise.
892         * config/mmix/crti.asm: Likewise.
893         * config/mmix/crtn.asm: Likewise.
894         * config/pa/fptr.c: Likewise.
895         * config/pa/hpux-unwind.h: Likewise.
896         * config/pa/lib2funcs.asm: Likewise.
897         * config/pa/linux-atomic.c: Likewise.
898         * config/pa/linux-unwind.h: Likewise.
899         * config/pa/milli64.S: Likewise.
900         * config/pa/quadlib.c: Likewise.
901         * config/pa/stublib.c: Likewise.
902         * config/picochip/libgccExtras/adddi3.asm: Likewise.
903         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
904         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
905         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
906         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
907         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
908         * config/picochip/libgccExtras/divmod15.asm: Likewise.
909         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
910         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
911         * config/picochip/libgccExtras/longjmp.asm: Likewise.
912         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
913         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
914         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
915         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
916         * config/picochip/libgccExtras/setjmp.asm: Likewise.
917         * config/picochip/libgccExtras/subdi3.asm: Likewise.
918         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
919         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
920         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
921         * config/rs6000/750cl.h: Likewise.
922         * config/rs6000/altivec.h: Likewise.
923         * config/rs6000/biarch64.h: Likewise.
924         * config/rs6000/crtresfpr.asm: Likewise.
925         * config/rs6000/crtresgpr.asm: Likewise.
926         * config/rs6000/crtresxfpr.asm: Likewise.
927         * config/rs6000/crtresxgpr.asm: Likewise.
928         * config/rs6000/crtsavfpr.asm: Likewise.
929         * config/rs6000/crtsavgpr.asm: Likewise.
930         * config/rs6000/darwin-asm.h: Likewise.
931         * config/rs6000/darwin-fallback.c: Likewise.
932         * config/rs6000/darwin-fpsave.asm: Likewise.
933         * config/rs6000/darwin-ldouble.c: Likewise.
934         * config/rs6000/darwin-tramp.asm: Likewise.
935         * config/rs6000/darwin-unwind.h: Likewise.
936         * config/rs6000/darwin-vecsave.asm: Likewise.
937         * config/rs6000/darwin-world.asm: Likewise.
938         * config/rs6000/e500crtres32gpr.asm: Likewise.
939         * config/rs6000/e500crtres64gpr.asm: Likewise.
940         * config/rs6000/e500crtres64gprctr.asm: Likewise.
941         * config/rs6000/e500crtrest32gpr.asm: Likewise.
942         * config/rs6000/e500crtrest64gpr.asm: Likewise.
943         * config/rs6000/e500crtresx32gpr.asm: Likewise.
944         * config/rs6000/e500crtresx64gpr.asm: Likewise.
945         * config/rs6000/e500crtsav32gpr.asm: Likewise.
946         * config/rs6000/e500crtsav64gpr.asm: Likewise.
947         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
948         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
949         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
950         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
951         * config/rs6000/eabi-ci.asm: Likewise.
952         * config/rs6000/eabi-cn.asm: Likewise.
953         * config/rs6000/eabi.asm: Likewise.
954         * config/rs6000/linux-unwind.h: Likewise.
955         * config/rs6000/linux64.h: Likewise.
956         * config/rs6000/paired.h: Likewise.
957         * config/rs6000/paired.md: Likewise.
958         * config/rs6000/ppc64-fp.c: Likewise.
959         * config/rs6000/ppu_intrinsics.h: Likewise.
960         * config/rs6000/rs6000.h: Likewise.
961         * config/rs6000/si2vmx.h: Likewise.
962         * config/rs6000/sol-ci.asm: Likewise.
963         * config/rs6000/sol-cn.asm: Likewise.
964         * config/rs6000/spe.h: Likewise.
965         * config/rs6000/spu2vmx.h: Likewise.
966         * config/rs6000/sysv4.h: Likewise.
967         * config/rs6000/tramp.asm: Likewise.
968         * config/rs6000/vec_types.h: Likewise.
969         * config/s390/linux-unwind.h: Likewise.
970         * config/s390/tpf-unwind.h: Likewise.
971         * config/score/crti.asm: Likewise.
972         * config/score/crtn.asm: Likewise.
973         * config/sh/crt1.asm: Likewise.
974         * config/sh/crti.asm: Likewise.
975         * config/sh/crtn.asm: Likewise.
976         * config/sh/divtab-sh4-300.c: Likewise.
977         * config/sh/divtab-sh4.c: Likewise.
978         * config/sh/divtab.c: Likewise.
979         * config/sh/lib1funcs-4-300.asm: Likewise.
980         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
981         * config/sh/lib1funcs.asm: Likewise.
982         * config/sh/lib1funcs.h: Likewise.
983         * config/sh/linux-atomic.asm: Likewise.
984         * config/sh/linux-unwind.h: Likewise.
985         * config/sh/shmedia.h: Likewise.
986         * config/sh/sshmedia.h: Likewise.
987         * config/sh/ushmedia.h: Likewise.
988         * config/sparc/crtfastmath.c: Likewise.
989         * config/sparc/linux-unwind.h: Likewise.
990         * config/sparc/sol2-c1.asm: Likewise.
991         * config/sparc/sol2-ci.asm: Likewise.
992         * config/sparc/sol2-cn.asm: Likewise.
993         * config/spu/divmodti4.c: Likewise.
994         * config/spu/divv2df3.c: Likewise.
995         * config/spu/float_disf.c: Likewise.
996         * config/spu/float_unsdidf.c: Likewise.
997         * config/spu/float_unsdisf.c: Likewise.
998         * config/spu/float_unssidf.c: Likewise.
999         * config/spu/mfc_multi_tag_release.c: Likewise.
1000         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1001         * config/spu/mfc_tag_release.c: Likewise.
1002         * config/spu/mfc_tag_reserve.c: Likewise.
1003         * config/spu/mfc_tag_table.c: Likewise.
1004         * config/spu/multi3.c: Likewise.
1005         * config/spu/spu_internals.h: Likewise.
1006         * config/spu/spu_intrinsics.h: Likewise.
1007         * config/spu/spu_mfcio.h: Likewise.
1008         * config/spu/vec_types.h: Likewise.
1009         * config/spu/vmx2spu.h: Likewise.
1010         * config/stormy16/stormy16-lib2.c: Likewise.
1011         * config/svr4.h: Likewise.
1012         * config/sync.c: Likewise.
1013         * config/v850/lib1funcs.asm: Likewise.
1014         * config/vxlib-tls.c: Likewise.
1015         * config/vxlib.c: Likewise.
1016         * config/vxworks-dummy.h: Likewise.
1017         * config/xtensa/crti.asm: Likewise.
1018         * config/xtensa/crtn.asm: Likewise.
1019         * config/xtensa/ieee754-df.S: Likewise.
1020         * config/xtensa/ieee754-sf.S: Likewise.
1021         * config/xtensa/lib1funcs.asm: Likewise.
1022         * config/xtensa/lib2funcs.S: Likewise.
1023         * config/xtensa/linux-unwind.h: Likewise.
1024         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1025         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1026         * coretypes.h: Likewise.
1027         * crtstuff.c: Likewise.
1028         * defaults.h: Likewise.
1029         * dwarf2.h: Likewise.
1030         * emutls.c: Likewise.
1031         * gbl-ctors.h: Likewise.
1032         * gcov-io.h: Likewise.
1033         * ginclude/float.h: Likewise.
1034         * ginclude/iso646.h: Likewise.
1035         * ginclude/stdarg.h: Likewise.
1036         * ginclude/stdbool.h: Likewise.
1037         * ginclude/stddef.h: Likewise.
1038         * ginclude/stdfix.h: Likewise.
1039         * ginclude/stdint-gcc.h: Likewise.
1040         * ginclude/tgmath.h: Likewise.
1041         * gthr-aix.h: Likewise.
1042         * gthr-dce.h: Likewise.
1043         * gthr-gnat.c: Likewise.
1044         * gthr-gnat.h: Likewise.
1045         * gthr-lynx.h: Likewise.
1046         * gthr-mipssde.h: Likewise.
1047         * gthr-nks.h: Likewise.
1048         * gthr-posix.c: Likewise.
1049         * gthr-posix.h: Likewise.
1050         * gthr-posix95.h: Likewise.
1051         * gthr-rtems.h: Likewise.
1052         * gthr-single.h: Likewise.
1053         * gthr-solaris.h: Likewise.
1054         * gthr-tpf.h: Likewise.
1055         * gthr-vxworks.h: Likewise.
1056         * gthr-win32.h: Likewise.
1057         * gthr.h: Likewise.
1058         * libgcc2.c: Likewise.
1059         * libgcc2.h: Likewise.
1060         * libgcov.c: Likewise.
1061         * tsystem.h: Likewise.
1062         * typeclass.h: Likewise.
1063         * unwind-c.c: Likewise.
1064         * unwind-compat.h: Likewise.
1065         * unwind-dw2-fde-compat.c: Likewise.
1066         * unwind-dw2-fde-darwin.c: Likewise.
1067         * unwind-dw2-fde-glibc.c: Likewise.
1068         * unwind-dw2-fde.c: Likewise.
1069         * unwind-dw2-fde.h: Likewise.
1070         * unwind-dw2.c: Likewise.
1071         * unwind-dw2.h: Likewise.
1072         * unwind-generic.h: Likewise.
1073         * unwind-pe.h: Likewise.
1074         * unwind-sjlj.c: Likewise.
1075         * unwind.inc: Likewise.
1076         * config/arm/neon-gen.ml: Change generated copyright header to
1077         refer to version 3 of the GNU General Public License with
1078         version 3.1 of the GCC Runtime Library Exception and to point
1079         readers at the COPYING3 and COPYING3.RUNTIME files and the
1080         FSF's license web page.
1081         * config/arm/arm_neon.h: Regenerate.
1082
1083 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1084
1085         * config/cris/cris.md: Change copyright header to refer to version
1086         3 of the GNU General Public License.
1087         * doc/install.texi2html: Change copyright header to refer to version
1088         3 of the GNU General Public License and to point readers at the
1089         COPYING3 file and the FSF's license web page.
1090         * config/vax/linux.h: Likewise.
1091
1092 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1093
1094         * config/i386/i386.md (cmpcc): New.
1095         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1096         (sync_compare_and_swap_cc*): Delete.
1097
1098         * config/s390/s390.c (s390_compare_emitted): Remove.
1099         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1100         s390_compare_emitted used to be handled.  Assert that modes match.
1101         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1102         refer to sync_compare_and_swap_ccsi.
1103         * config/s390/s390.h (s390_compare_emitted): Remove.
1104         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1105         instead of s390_compare_emitted.
1106         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1107         instead of s390_compare_emitted.
1108         * config/s390/s390.md (cmpcc): New.
1109         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1110         CC_REGNUM, do not pretend it's set.
1111         (sync_compare_and_swap_cc*): Delete.
1112         * config/s390/predicates.md (cc_reg_operand): New.
1113
1114         * expr.c (sync_compare_and_swap_cc): Delete.
1115         * optabs.h (sync_compare_and_swap_cc): Delete.
1116         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1117         is being used with can_compare_p.
1118         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1119         (find_cc_set): New.
1120         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1121         look for a MODE_CC set instead.  Use emit_store_flag.
1122         (expand_compare_and_swap_loop): Likewise, with some additional
1123         complication to avoid a force_reg when useless.  Use
1124         emit_cmp_and_jump_insns.
1125         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1126         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1127         sync_compare_and_swap documentation.
1128
1129 2009-04-09  Jan Hubicka  <jh@suse.cz>
1130
1131         * except.c (find_prev_try): Break out from ....
1132         (duplicate_eh_regions): ... here; properly update prev_try pointers
1133         when duplication part of tree.
1134         (dump_eh_tree): Improve dumping.
1135         (verify_eh_region): New.
1136         (verify_eh_tree): Use it.
1137
1138 2009-04-06  Richard Guenther  <rguenther@suse.de>
1139
1140         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1141         &ARRAY addresses by adjusting their types and prepending
1142         a conversion.
1143         * tree-cfg.c (verify_gimple_assign_single): Verify that
1144         addresses are correct.
1145
1146 2009-04-09  Richard Guenther  <rguenther@suse.de>
1147
1148         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1149         indices into an array reference if possible.
1150         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1151         Fold POINTER_PLUS_EXPR statements with invariant address.
1152
1153 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1154
1155         PR target/39634
1156         * config.gcc (powerpc64-*-linux*): Always build biarch.
1157
1158 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1159
1160         PR c/39613
1161         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1162         it and pedwarn if this results in an INTEGER_CST.
1163
1164 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1165
1166         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1167         text in MPFR section.
1168
1169 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1170
1171         * dwarf2out.c (class_scope_p): New static inline.
1172         (class_or_namespace_scope_p): Use it.
1173         (gen_variable_die): Use DW_TAG_member tag for static data member
1174         declarations instead of DW_TAG_variable.
1175
1176         PR middle-end/39573
1177         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1178         variables.
1179
1180 2009-04-08  Richard Guenther  <rguenther@suse.de>
1181
1182         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1183         valueize random data.
1184
1185 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1186
1187         * config.gcc (aix tm_file):  Add aix-stdint.h.
1188         (aix tm clause use_gcc_stdint):  Set to wrap.
1189         * config/rs6000/aix-stdint.h:  New file.
1190         
1191 2009-04-08  Richard Guenther  <rguenther@suse.de>
1192
1193         PR middle-end/36291
1194         * tree-dfa.c (add_referenced_var): Do not recurse into
1195         global initializers.
1196         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1197         exposed variables.
1198         (fold_const_aggregate_ref): Likewise.
1199
1200 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1201
1202         * recog.c (ordered_comparison_operator): New.
1203         * gensupport.c (std_preds): Add it.
1204         * doc/md.texi (Machine-Independent Predicates): Document it.
1205
1206 2009-04-08  Jan Hubicka  <jh@suse.cz>
1207
1208         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1209         * function.h (rtl_eh): Remove exception_handler_label_map.
1210         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1211         remove_exception_handler_label, for_each_eh_label_1): Remove.
1212         (rtl_remove_unreachable_regions): Remove.
1213         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1214         (find_exception_handler_labels): Don't build the hashtable.
1215         (maybe_remove_eh_handler): Remove.
1216         (for_each_eh_label): Rewrite to walk the tree.
1217         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1218         * except.h (maybe_remove_eh_handler): Remove.
1219         * passes.c (init_optimization_passes): Schedule second EH cleanup
1220         before out-of-ssa.
1221         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1222         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1223
1224 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1225
1226         * genoutput.c (validate_optab_operands): New.
1227         (gen_insn, gen_expand): Call it.
1228
1229         * genflags.c (gen_insn): Detect misused iterators.
1230         (main): Pass line_no to gen_insn, exit with status 1 on error.
1231
1232         * genextract.c (line_no): Make global.
1233         (VEC_safe_set_locstr): Change assertion to error message.
1234         (main): Exit with status 1 on error.
1235
1236 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1237
1238         PR c/39614
1239         PR c/39673
1240         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1241         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1242         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1243         * c-convert.c (convert): Do not call fold on results of conversion
1244         functions when the result is a C_MAYBE_CONST_EXPR.
1245         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1246         of __builtin_choose_expr.
1247         * c-typeck.c (remove_c_maybe_const_expr): New.
1248         (build_unary_op, build_conditional_expr, build_compound_expr,
1249         build_binary_op, c_objc_common_truthvalue_conversion): Call
1250         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1251         integer operands.
1252
1253 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1254
1255         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1256         CODE to produce a new one. Add a prototype to use fold_convert_const
1257
1258 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1259
1260         PR bootstrap/39660
1261         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1262         mix declarations and code.
1263
1264 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1265
1266         * gcc.c: Replace `CC' with `GCC' throughout.
1267
1268 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1269
1270         * doc/invoke.texi: Document Atom support.
1271
1272 2009-04-07  Jason Merrill  <jason@redhat.com>
1273
1274         PR c++/25185
1275         * c-common.h, c-common.c: Add flag_pretty_templates.
1276         * c-opts.c (c_common_handle_option): Set it.
1277         * c.opt: Add -fno-pretty-templates.
1278         * doc/invoke.texi (C++ Dialect Options): Likewise.
1279
1280 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1281
1282         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1283         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1284         (ia64_expand_builtin): Likewise.
1285
1286 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1287
1288         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1289         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1290         ADDR_EXPRS are include too.
1291
1292 2009-04-07  Richard Guenther  <rguenther@suse.de>
1293
1294         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1295         decls are only used if passes as parameters or if they are
1296         local statics and the call is not to a builtin.
1297         (call_may_clobber_ref_p_1): Likewise.
1298
1299 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1300
1301         * expr.c (do_store_flag): Remove last argument.  Simplify code
1302         to avoid duplication of tests already done by can_compare_p.
1303         (expand_expr_real_1): Adjust caller.
1304
1305 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1306
1307         * optabs.c (can_compare_p): Test the predicate of a
1308         cbranch and cstore pattern.
1309
1310 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1311
1312         * expr.c (convert_move): Use emit_store_flag instead of
1313         "emulating" it.
1314
1315 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1316
1317         * config/i386/i386.c (ix86_compare_emitted): Remove.
1318         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1319         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1320         * config/i386/i386.h (ix86_compare_emitted): Remove.
1321         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1322         instead of ix86_compare_emitted.
1323         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1324
1325 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1326
1327         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1328         Add t-sysroot-suffix to tmake_file.
1329         * config/print-sysroot-suffix.sh: New file.
1330         * config/t-sysroot-suffix: New file.
1331
1332 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1333
1334         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1335         as the latter produces a warning when the target does not support
1336         infinity.
1337
1338 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1339
1340         * dfp.c: Replace type punning assignments with memcpy throughout.
1341         * Makefile.in (dfp.o-warn): Remove.
1342         
1343 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1344
1345         PR target/39634
1346         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1347         Include soft-fp/t-softfp after rs6000/t-linux64.
1348
1349 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1350
1351         * stor-layout.c (set_sizetype): Use the full precision of their
1352         machine mode for bitsize types.
1353
1354 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1355
1356         * config/i386/i386.md: Revert 2 accidental checkins.
1357
1358 2009-04-06  Joey Ye  <joey.ye@intel.com>
1359             Xuepeng Guo <xuepeng.guo@intel.com>
1360             H.J. Lu  <hongjiu.lu@intel.com>
1361
1362         Atom pipeline model, tuning and insn selection.
1363         * config.gcc (atom): Add atom config options and target.
1364
1365         * config/i386/atom.md: New.
1366
1367         * config/i386/i386.c (atom_cost): New cost.
1368         (m_ATOM): New macro flag.
1369         (initial_ix86_tune_features): Set m_ATOM.
1370         (x86_accumulate_outgoing_args): Likewise.
1371         (x86_arch_always_fancy_math_387): Likewise.
1372         (processor_target): Add Atom cost.
1373         (cpu_names): Add Atom cpu name.
1374         (override_options): Set Atom ISA.
1375         (ix86_issue_rate): New case PROCESSOR_ATOM.
1376         (ix86_adjust_cost): Likewise.
1377
1378         * config/i386/i386.h (TARGET_ATOM): New target macro.
1379         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1380         (TARGET_OPT_AGU): New target option.
1381         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1382         (processor_type): Add PROCESSOR_ATOM.
1383
1384         * config/i386/i386.md (cpu): Add new value "atom".
1385         (use_carry, movu): New attr.
1386         (atom.md): Include atom.md.
1387         (adddi3_carry_rex64): Set attr "use_carry".
1388         (addqi3_carry): Likewise.
1389         (addhi3_carry): Likewise.
1390         (addsi3_carry): Likewise.
1391         (*addsi3_carry_zext): Likewise.
1392         (subdi3_carry_rex64): Likewise.
1393         (subqi3_carry): Likewise.
1394         (subhi3_carry): Likewise.
1395         (subsi3_carry): Likewise.
1396         (x86_movdicc_0_m1_rex64): Likewise.
1397         (*x86_movdicc_0_m1_se): Likewise.
1398         (x86_movsicc_0_m1): Likewise.
1399         (*x86_movsicc_0_m1_se): Likewise.
1400         (*adddi_1_rex64): Emit add insn as much as possible.
1401         (*addsi_1): Likewise.
1402         (return_internal): Set atom_unit.
1403         (return_internal_long): Likewise.
1404         (return_pop_internal): Likewise.
1405         (*rcpsf2_sse): Set atom_sse_attr attr.
1406         (*qrt<mode>2_sse): Likewise.
1407         (*prefetch_sse): Likewise.
1408
1409         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1410         PROCESSOR_ATOM.
1411         (ix86_target_macros_internal): Likewise.
1412
1413         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1414         (*prefetch_sse_rex): Likewise.
1415         (sse_rcpv4sf2): Likewise.
1416         (sse_vmrcpv4sf2): Likewise.
1417         (sse_sqrtv4sf2): Likewise.
1418         (<sse>_vmsqrt<mode>2): Likewise.
1419         (sse_ldmxcsr): Likewise.
1420         (sse_stmxcsr): Likewise.
1421         (*sse_sfence): Likewise.
1422         (sse2_clflush): Likewise.
1423         (*sse2_mfence): Likewise.
1424         (*sse2_lfence): Likewise.
1425         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1426         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1427         (avx_movdqu<avxmodesuffix>): Likewise.
1428         (avx_lddqu<avxmodesuffix>): Likewise.
1429         (sse2_movntv2di): Change attr "type" to "ssemov".
1430         (sse2_movntsi): Likewise.
1431         (rsqrtv8sf2): Change attr "type" to "sseadd".
1432         (sse3_addsubv2df3): Set attr "atom_unit".
1433         (sse3_h<plusminus_insn>v4sf3): Likewise.
1434         (*sse2_pmaddwd): Likewise.
1435         (*vec_extractv2di_1_rex64): Likewise.
1436         (*vec_extractv2di_1_avx): Likewise.
1437         (sse2_psadbw): Likewise.
1438         (ssse3_phaddwv8hi3): Likewise.
1439         (ssse3_phaddwv4hi3): Likewise.
1440         (ssse3_phadddv4si3): Likewise.
1441         (ssse3_phadddv2si3): Likewise.
1442         (ssse3_phaddswv8hi3): Likewise.
1443         (ssse3_phaddswv4hi3): Likewise.
1444         (ssse3_phsubwv8hi3): Likewise.
1445         (ssse3_phsubwv4hi3): Likewise.
1446         (ssse3_phsubdv4si3): Likewise.
1447         (ssse3_phsubdv2si3): Likewise.
1448         (ssse3_phsubswv8hi3): Likewise.
1449         (ssse3_phsubswv4hi3): Likewise.
1450         (ssse3_pmaddubsw128): Likewise.
1451         (sse3_pmaddubsw: Likewise.
1452         (ssse3_palignrti): Likewise.
1453         (ssse3_palignrdi): Likewise.
1454
1455 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1456
1457         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1458
1459 2009-04-06  Richard Guenther  <rguenther@suse.de>
1460
1461         PR tree-optimization/28868
1462         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1463         of which PHI results we inserted.
1464         (insert_into_preds_of_block): Record inserted PHIs.
1465         (eliminate): Eliminate redundant PHI nodes.
1466         (init_pre): Init inserted_phi_names.
1467
1468 2009-04-06  Richard Guenther  <rguenther@suse.de>
1469
1470         PR tree-optimization/39643
1471         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1472         IMAGPART_EXPRs of complex constants.
1473         (execute_fold_all_builtins): If we folded a call queue
1474         TODO_update_address_taken.
1475
1476 2009-04-06  Jan Hubicka  <jh@suse.cz>
1477
1478         PR middle-end/39659
1479         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1480         flag.
1481
1482 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1483
1484         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1485         delay slot.
1486         (ic_invalidate_array): Likewise.
1487
1488 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1489
1490         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1491         alignment for library calls.
1492
1493 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1494
1495         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1496         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1497         * config/i386/mingw-stdint.h:  New file.
1498
1499 2009-04-05  Richard Guenther  <rguenther@suse.de>
1500
1501         PR tree-optimization/39648
1502         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1503         our &A vs. &A[0] IL deficiencies.
1504
1505 2009-04-04  Jan Hubicka  <jh@suse.cz>
1506
1507         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1508         removed toplevel regions.
1509         (sjlj_mark_call_sites): Likewise.
1510
1511 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1512
1513         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1514         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1515         * config/i386/cygwin-stdint.h:  New file.
1516
1517 2009-04-04  Richard Guenther  <rguenther@suse.de>
1518
1519         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1520         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1521         single-argument PHIs if we are in loop-closed SSA form.
1522         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1523         for the pre-condition.
1524         (slpeel_tree_peel_loop_to_edge): Likewise.
1525         (vect_build_loop_niters): Take an optional sequence to append stmts.
1526         (vect_generate_tmps_on_preheader): Likewise.
1527         (vect_do_peeling_for_loop_bound): Take extra guards for the
1528         pre-condition.
1529         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1530         the cost model check.
1531         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1532         guards if we are going to peel.  Do not apply versioning in that case.
1533         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1534         (vect_do_peeling_for_loop_bound): Likewise.
1535         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1536         loop bound only record extra pre-conditions, do not apply loop
1537         versioning.
1538
1539 2009-04-04  Richard Guenther  <rguenther@suse.de>
1540
1541         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1542         renaming code.
1543
1544 2009-04-04  Jan Hubicka  <jh@suse.cz>
1545
1546         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1547         last_basic_block for size of bb->index indexed array.
1548         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1549         compute_out, link_btr_uses, build_btr_def_use_webs,
1550         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1551
1552 2009-04-04  Jan Hubicka  <jh@suse.cz>
1553
1554         * except.c (remove_eh_handler_and_replace): Break out from ...
1555         (remove_eh_handler): ... here.
1556         (bring_to_root): New function.
1557         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1558         handled ones, bring others to root of tree.
1559
1560 2009-04-04  Jan Hubicka  <jh@suse.cz>
1561
1562         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1563         (all_phis_safe_to_merge): New function.
1564         (update_info): New structure.
1565         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1566         (cleanup_empty_eh): Update SSA if possible.
1567
1568 2009-04-04  Richard Guenther  <rguenther@suse.de>
1569
1570         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1571         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1572         (append_vuse): Likewise.
1573
1574 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1575
1576         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1577         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1578         instead of REG_UNSAVED for DW_CFA_undefined.
1579         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1580         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1581         outermost frame.
1582
1583 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1584
1585         PR target/39501
1586         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1587         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1588         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1589
1590 2009-04-04  Richard Guenther  <rguenther@suse.de>
1591
1592         PR tree-optimization/8781
1593         PR tree-optimization/37892
1594         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1595         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1596         (valueize_refs): Call it for *& valueizations.
1597         (shared_reference_ops_from_ref): Rename to ...
1598         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1599         (shared_reference_ops_from_call): Rename to ...
1600         (valueize_shared_reference_ops_from_call): ... this and valueize.
1601         (vn_reference_lookup): Update.
1602         (visit_reference_op_call): Likewise.
1603         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1604         (eliminate): Value-replace the call address in call statements.
1605
1606 2009-04-04  Richard Guenther  <rguenther@suse.de>
1607
1608         PR tree-optimization/39636
1609         * tree-ssa-forwprop.c
1610         (forward_propagate_addr_into_variable_array_index): Check for
1611         GIMPLE_ASSIGN before accessing the rhs code.
1612
1613 2009-04-03  Jason Merrill  <jason@redhat.com>
1614
1615         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1616
1617 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1618
1619         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1620         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1621         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1622         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1623         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1624         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1625         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1626         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1627         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1628         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1629         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1630         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1631         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1632         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1633         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1634         Use fr_reg_or_fp01_operand instead of fr_register_operand
1635
1636         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1637         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1638         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1639
1640 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1641
1642         PR rtl-optimization/39607
1643         PR rtl-optimization/39631
1644
1645         Revert:
1646         
1647         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1648         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1649         instead of DF_LR_OUT.
1650         * ira-lives.c (process_bb_node_lives): Ditto.
1651         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1652         instead of DF_LR_{OUT,IN}.
1653         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1654         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1655
1656 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1657
1658         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1659         (execute_lower_omp): Always run but take the short way out if -fopenmp
1660         is not given.
1661         (gate_lower_omp): Remove, forcing the pass manager to always run the
1662         pass and always set PROP_gimple_lomp.
1663         (pass_lower_omp): Remove gate function.
1664         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1665         PROP_trees.  Instead, require it.
1666         * ipa-cp.c (pass_ipa_cp): Likewise.
1667         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1668         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1669         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1670         and PROP_gimple_leh.
1671
1672 2009-04-03  Richard Guenther  <rguenther@suse.de>
1673
1674         PR middle-end/13146
1675         PR tree-optimization/23940
1676         PR tree-optimization/33237
1677         PR middle-end/33974
1678         PR middle-end/34093
1679         PR tree-optimization/36201
1680         PR tree-optimization/36230
1681         PR tree-optimization/38049
1682         PR tree-optimization/38207
1683         PR tree-optimization/38230
1684         PR tree-optimization/38301
1685         PR tree-optimization/38585
1686         PR middle-end/38895
1687         PR tree-optimization/38985
1688         PR tree-optimization/39299
1689         * tree-ssa-structalias.h: Remove.
1690         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1691         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1692         (struct vuse_element_d): Remove.
1693         (struct vuse_vec_d): Likewise.
1694         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1695         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1696         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1697         VUSE_ELEMENT_VAR): Likewise.
1698         (struct voptype_d): Likewise.
1699         (NUM_VOP_FREE_BUCKETS): Likewise.
1700         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1701         (struct stmt_operands_d): Remove.
1702         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1703         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1704         VDEF_NUM, VDEF_VECT): Likewise.
1705         (copy_virtual_operands): Remove.
1706         (operand_build_cmp): Likewise.
1707         (create_ssa_artificial_load_stmt): Likewise.
1708         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1709         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1710         vuse_index and mayuse_index members.  Pack and move done and iter_type
1711         members to the front.
1712         (SSA_OP_VMAYUSE): Remove.
1713         (SSA_OP_VIRTUAL_USES): Adjust.
1714         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1715         (unlink_stmt_vdef): Declare.
1716         (add_to_addressable_set): Remove.
1717         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1718         (vrp_visit_stmt): Likewise.
1719         * doc/tree-ssa.texi (Alias analysis): Update.
1720         * doc/invoke.texi (max-aliased-vops): Remove docs.
1721         (avg-aliased-vops): Likewise.
1722         * tree-into-ssa.c (syms_to_rename): Remove.
1723         (need_to_update_vops_p): Likewise.
1724         (need_to_initialize_update_ssa_p): Rename to ...
1725         (update_ssa_initialized_fn): ... this.  Track function we are
1726         initialized for.
1727         (symbol_marked_for_renaming): Simplify.
1728         (add_new_name_mapping): Do not set need_to_update_vops_p.
1729         (dump_currdefs): Use SYMS_TO_RENAME.
1730         (rewrite_update_stmt): Always walk all uses/defs.
1731         (dump_update_ssa): Adjust.
1732         (init_update_ssa): Take function argument.  Track what we are
1733         initialized for.
1734         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1735         (create_new_def_for): Initialize for cfun, assert we are initialized
1736         for cfun.
1737         (mark_sym_for_renaming): Simplify.
1738         (mark_set_for_renaming): Do not initialize update-ssa.
1739         (need_ssa_update_p): Simplify.  Take function argument.
1740         (name_mappings_registered_p): Assert we ask for the correct function.
1741         (name_registered_for_update_p): Likewise.
1742         (ssa_names_to_replace): Likewise.
1743         (release_ssa_name_after_update_ssa): Likewise.
1744         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1745         (dump_decl_set): Do not print a newline.
1746         (debug_decl_set): Do it here.
1747         (dump_update_ssa): And here.
1748         * tree-ssa-loop-im.c (move_computations): Adjust.
1749         (movement_possibility): Likewise.
1750         (determine_max_movement): Likewise.
1751         (gather_mem_refs_stmt): Likewise.
1752         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1753         or NAME_MEMORY_TAG.
1754         * tree-complex.c (update_all_vops): Remove.
1755         (expand_complex_move): Adjust.
1756         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1757         Simplify test for memory referencing statement.  Exclude
1758         non-invariant ADDR_EXPRs.
1759         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1760         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1761         (rdg_flag_uses): Likewise.
1762         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1763         related code.
1764         (tree_optimize_tail_calls_1): Also split the
1765         edge from the entry block if we have degenerate PHI nodes in
1766         the first basic block.
1767         * tree.c (init_ttree): Remove memory-tag related code.
1768         (tree_code_size): Likewise.
1769         (tree_node_structure): Likewise.
1770         (build7_stat): Re-write to be build6_stat.
1771         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1772         (SSA_VAR_P): Adjust.
1773         (struct tree_memory_tag): Remove.
1774         (struct tree_memory_partition_tag): Likewise.
1775         (union tree_node): Adjust.
1776         (build7): Re-write to be build6.
1777         * tree-pass.h (pass_reset_cc_flags): Remove.
1778         (TODO_update_address_taken): New flag.
1779         (pass_simple_dse): Remove.
1780         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1781         * params.h (MAX_ALIASED_VOPS): Remove.
1782         (AVG_ALIASED_VOPS): Likewise.
1783         * omp-low.c (expand_omp_taskreg): Update SSA form.
1784         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1785         aliases the lhs in a copy stmt.
1786         * tree-ssa-dse.c (struct address_walk_data): Remove.
1787         (memory_ssa_name_same): Likewise.
1788         (memory_address_same): Likewise.
1789         (get_kill_of_stmt_lhs): Likewise.
1790         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1791         unused stores.  Look through PHI nodes into post-dominated regions.
1792         (dse_optimize_stmt): Simplify.  Properly remove stores.
1793         (tree_ssa_dse): Compute dominators.
1794         (execute_simple_dse): Remove.
1795         (pass_simple_dse): Likewise.
1796         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1797         gimple_loaded_syms and gimple_stored_syms computation.
1798         * toplev.c (dump_memory_report): Dump alias and pta stats.
1799         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1800         (vn_reference_eq): Likewise.
1801         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1802         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1803         valueize_vuses): Remove.
1804         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1805         (get_def_ref_stmt_vuse): ... this.
1806         (vn_reference_lookup_2): New function.
1807         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1808         walking equivalent vuses.  Simplify.
1809         (vn_reference_lookup): Likewise.
1810         (vn_reference_insert): Likewise.
1811         (vn_reference_insert_pieces): Likewise.
1812         (visit_reference_op_call): Simplify.
1813         (visit_reference_op_load): Likewise.
1814         (visit_reference_op_store): Likewise.
1815         (init_scc_vn): Remove shared_lookup_vuses initialization.
1816         (free_scc_vn): Remove shared_lookup_vuses freeing.
1817         (sort_vuses, sort_vuses_heap): Remove.
1818         (get_ref_from_reference_ops): Export.
1819         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1820         vector with single vuse pointer.
1821         (vn_reference_lookup_pieces, vn_reference_lookup,
1822         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1823         (shared_vuses_from_stmt): Remove.
1824         (get_ref_from_reference_ops): Declare.
1825         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1826         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1827         memory-tag related code.
1828         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1829         (likely_value): Add comment, skip static-chain of call statements.
1830         (surely_varying_stmt_p): Adjust.
1831         (gimplify_and_update_call_from_tree): Likewise.
1832         (execute_fold_all_builtins): Do not rebuild alias info.
1833         (gimplify_and_update_call_from_tree): Properly update VOPs.
1834         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1835         (copy_ref_info): Remove memory-tag related code.
1836         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1837         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1838         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1839         computation.
1840         * tree-ssa-dom.c (gimple_p): Remove typedef.
1841         (eliminate_redundant_computations): Adjust.
1842         (record_equivalences_from_stmt): Likewise.
1843         (avail_expr_hash): Likewise.
1844         (avail_expr_eq): Likewise.
1845         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1846         (stmt_makes_single_load): Likewise.
1847         (stmt_makes_single_store): Likewise.
1848         * tree-ssa-alias.c: Rewrite completely.
1849         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1850         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1851         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1852         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1853         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1854         Remove public functions.
1855         (pass_reset_cc_flags): Remove.
1856         (pass_build_alias): Move ...
1857         * tree-ssa-structalias.c (pass_build_alias): ... here.
1858         * tree-ssa-alias.c (may_be_aliased): Move ...
1859         * tree-flow-inline.h (may_be_aliased): ... here.
1860         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1861         count_uses_and_derefs): Move ...
1862         * gimple.c: ... here.
1863         * gimple.h (count_uses_and_derefs): Declare.
1864         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1865         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1866         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1867         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1868         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1869         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1870         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1871         New functions.
1872         * tree-dfa.c (refs_may_alias_p): Move ...
1873         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1874         * tree-ssa-alias.h: New file.
1875         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1876         (statement_sink_location): Likewise.
1877         * opts.c (decode_options): Do not adjust max-aliased-vops or
1878         avg-aliased-vops values.
1879         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1880         (TV_CALL_CLOBBER): Likewise.
1881         (TV_FLOW_SENSITIVE): Likewise.
1882         (TV_FLOW_INSENSITIVE): Likewise.
1883         (TV_MEMORY_PARTITIONING): Likewise.
1884         (TV_ALIAS_STMT_WALK): New timevar.
1885         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1886         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1887         (get_address_description): Remove memory-tag related code.
1888         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1889         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1890         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1891         and immediate uses in statements.  Document.
1892         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1893         (dump_symbols): Remove.
1894         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1895         * alias.c (get_deref_alias_set): New function split out from ...
1896         (get_alias_set): ... here.
1897         * alias.h (get_deref_alias_set): Declare.
1898         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1899         type parameter.  Remove restrict pointer handling.  Create a
1900         ref-all pointer in case type-based alias sets do not conflict.
1901         (vect_analyze_data_refs): Remove SMT related code.
1902         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1903         (vectorizable_load): Likewise.
1904         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1905         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1906         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1907         Ignore vops and SMTs.
1908         (dr_analyze_alias): Likewise..
1909         (free_data_ref): Likewise.
1910         (create_data_ref): Likewise.
1911         (analyze_all_data_dependences): Likewise.
1912         (get_references_in_stmt): Adjust.
1913         * tree-flow-inline.h (gimple_aliases_computed_p,
1914         gimple_addressable_vars, gimple_call_clobbered_vars,
1915         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1916         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1917         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1918         gimple_mem_ref_stats): Remove.
1919         (gimple_vop): New function.
1920         (op_iter_next_use): Remove vuses and mayuses cases.
1921         (op_iter_next_def): Remove vdefs case.
1922         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1923         (clear_and_done_ssa_iter): Do not set removed fields.
1924         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1925         Assert we are not iterating over vuses or vdefs if not also
1926         iterating over uses or defs.
1927         (op_iter_init_use): Likewise.
1928         (op_iter_init_def): Likewise.
1929         (op_iter_next_vdef): Remove.
1930         (op_iter_next_mustdef): Likewise.
1931         (op_iter_init_vdef): Likewise.
1932         (compare_ssa_operands_equal): Likewise.
1933         (link_use_stmts_after): Handle vuse operand.
1934         (is_call_used): Use is_call_clobbered.
1935         (is_call_clobbered): Global variables are always call clobbered,
1936         query the call-clobbers bitmap.
1937         (mark_call_clobbered): Ignore global variables.
1938         (clear_call_clobbered): Likewise.
1939         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1940         virtual operands sanity check.
1941         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1942         Remove.
1943         (TARGET_MEM_REF): Remove TMR_TAG operand.
1944         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1945         Remove call-clobber related code.
1946         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1947         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1948         partitions or escape reason.
1949         (get_single_def_stmt, get_single_def_stmt_from_phi,
1950         get_single_def_stmt_with_phi): Remove.
1951         (dump_referenced_vars): Tidy.
1952         (get_ref_base_and_extent): Allow bare decls.
1953         (collect_dfa_stats): Adjust.
1954         * graphite.c (rename_variables_in_stmt): Adjust.
1955         (graphite_copy_stmts_from_block): Likewise.
1956         (translate_clast): Likewise.
1957         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1958         (EXPR_DIES): New.
1959         (translate_vuse_through_block): Use the oracle.
1960         (phi_translate_1): Adjust.
1961         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1962         in EXPR_DIES.
1963         (valid_in_sets): Check if the VUSE for
1964         a REFERENCE is available.
1965         (eliminate): Do not remove stmts during elimination,
1966         instead queue and remove them afterwards.
1967         (do_pre): Do not rebuild alias info.
1968         (pass_pre): Run TODO_rebuild_alias before PRE.
1969         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1970         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1971         (mark_all_v_defs_stmt): Remove.
1972         (mark_all_v_defs_seq): Adjust.
1973         (sra_replace): Likewise.
1974         (scalarize_use): Likewise.
1975         (scalarize_copy): Likewise.
1976         (scalarize_init): Likewise.
1977         (scalarize_ldst): Likewise.
1978         (todoflags): Remove.
1979         (tree_sra): Do not rebuild alias info.
1980         (tree_sra_early): Adjust.
1981         (pass_sra): Run TODO_update_address_taken before SRA.
1982         * tree-predcom.c (set_alias_info): Remove.
1983         (prepare_initializers_chain): Do not call it.
1984         (mark_virtual_ops_for_renaming): Adjust.
1985         (mark_virtual_ops_for_renaming_list): Remove.
1986         (initialize_root_vars): Adjust.
1987         (initialize_root_vars_lm): Likewise.
1988         (prepare_initializers_chain): Likewise.
1989         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1990         (may_propagate_copy_into_stmt): Likewise.
1991         (merge_alias_info): Do nothing for now.
1992         (propagate_tree_value_into_stmt): Adjust.
1993         (stmt_may_generate_copy): Likewise.
1994         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1995         not mark symbols for renaming.
1996         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1997         with the same statement, make sure to update the new pointed-to one.
1998         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1999         call statements, do not mark symbols for renaming.
2000         (mark_operand_necessary): Dump something.
2001         (ref_may_be_aliased): New function.
2002         (mark_aliased_reaching_defs_necessary_1): New helper function.
2003         (mark_aliased_reaching_defs_necessary): Likewise.
2004         (mark_all_reaching_defs_necessary_1): Likewise.
2005         (mark_all_reaching_defs_necessary): Likewise.
2006         (propagate_necessity): Do not process virtual PHIs.  For
2007         non-aliased loads mark all reaching definitions as necessary.
2008         For aliased loads and stores mark the immediate dominating
2009         aliased clobbers as necessary.
2010         (visited): New global static.
2011         (perform_tree_ssa_dce): Free visited bitmap after propagating
2012         necessity.
2013         (remove_dead_phis): Perform simple dead virtual PHI removal.
2014         (remove_dead_stmt): Properly unlink virtual operands when
2015         removing stores.
2016         (eliminate_unnecessary_stmts): Schedule PHI removal after
2017         stmt removal.
2018         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2019         (process_replaceable): Likewise.
2020         (find_replaceable_in_bb): Likewise.
2021         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2022         based on the single gimple vop.
2023         (verify_flow_insensitive_alias_info): Remove.
2024         (verify_flow_sensitive_alias_info): Likewise.
2025         (verify_call_clobbering): Likewise.
2026         (verify_memory_partitions): Likewise.
2027         (verify_alias_info): Likewise.
2028         (verify_ssa): Adjust..
2029         (execute_update_addresses_taken): Export.  Update SSA
2030         manually.  Optimize only when optimizing.  Use a local bitmap.
2031         (pass_update_address_taken): Remove TODO_update_ssa, add
2032         TODO_dump_func.
2033         (pass_update_address_taken): Just use TODO_update_address_taken.
2034         (init_tree_ssa): Do not initialize addressable_vars.
2035         (verify_ssa): Verify new VUSE / VDEF properties.
2036         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2037         Do not call verify_alias_info.
2038         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2039         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2040         and callused solutions.  Do not free addressable_vars.
2041         Remove memory-tag related code.
2042         (warn_uninitialized_var): Aliases are always available.
2043         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2044         * lambda-code.c (can_put_in_inner_loop): Adjust.
2045         (can_put_after_inner_loop): Likewise.
2046         (perfect_nestify): Likewise.
2047         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2048         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2049         (vectorizable_conversion): Do not mark symbols for renaming.
2050         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2051         (expand_call_inline): Unlink the calls virtual operands before
2052         replacing it.
2053         (tree_function_versioning): Do not call update_ssa if we are not
2054         updating clones.  Simplify.
2055         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2056         (propagate_with_phi): Likewise..
2057         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2058         clobber code.  Assert we are not aliased or global.
2059         * tree-flow.h: Include tree-ssa-alias.h
2060         (enum escape_type): Remove.
2061         (struct mem_sym_stats_d): Likewise.
2062         (struct mem_ref_stats_d): Likewise.
2063         (struct gimple_df): Add vop member.  Remove global_var,
2064         call_clobbered_vars, call_used_vars, addressable_vars,
2065         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2066         escaped and callused members.
2067         (struct ptr_info_def): Remove all members, add points-to solution
2068         member pt.
2069         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2070         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2071         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2072         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2073         (tree-ssa-alias.o): Likewise.
2074         (toplev.o): Add tree-ssa-alias.h
2075         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2076         * gimple.c (gimple_set_bb): Fix off-by-one error.
2077         (is_gimple_reg): Do not handle memory tags.
2078         (gimple_copy): Also copy virtual operands.
2079         Delay updating the statement.  Do not reset loaded and stored syms.
2080         (gimple_set_stored_syms): Remove.
2081         (gimple_set_loaded_syms): Likewise.
2082         (gimple_call_copy_skip_args): Copy the virtual operands
2083         and mark the new statement modified.
2084         * tree-ssa-structalias.c (may_alias_p): Remove.
2085         (set_uids_in_ptset): Take the alias set to prune with as
2086         parameter.  Fold in the alias test of may_alias_p.
2087         (compute_points_to_sets): Compute whether a ptr is dereferenced
2088         in a local sbitmap.
2089         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2090         other ADDRESSOF constraints on the lhs.
2091         (get_constraint_for_component_ref): Assert that we don't get
2092         ADDRESSOF constraints from the base of the reference.
2093         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2094         (struct variable_info): Remove collapsed_to member.
2095         (get_varinfo_fc): Remove.
2096         (new_var_info): Do not set collapsed_to.
2097         (dump_constraint): Do not follow cycles.
2098         (dump_constraint_graph): Likewise.
2099         (build_pred_graph): Likewise.
2100         (build_succ_graph): Likewise.
2101         (rewrite_constraints): Likewise.
2102         (do_simple_structure_copy): Remove.
2103         (do_rhs_deref_structure_copy): Remove.
2104         (do_lhs_deref_structure_copy): Remove.
2105         (collapse_rest_of_var): Remove.
2106         (do_structure_copy): Re-implement.
2107         (pta_stats): New global variable.
2108         (dump_pta_stats): New function.
2109         (struct constraint_expr): Make offset signed.
2110         (UNKNOWN_OFFSET): Define special value.
2111         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2112         (solution_set_expand): New helper function split out from ...
2113         (do_sd_constraint): ... here.
2114         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2115         (do_ds_constraint): Likewise.
2116         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2117         and CALLUSED = *CALLUSED.
2118         (set_union_with_increment): Make inc argument signed.
2119         (type_safe): Remove.
2120         (get_constraint_for_ptr_offset): Handle unknown and negative
2121         constant offsets.
2122         (first_vi_for_offset): Handle offsets before start.  Bail
2123         out early for offsets beyond the variable extent.
2124         (first_or_preceding_vi_for_offset): New function.
2125         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2126         Together with ESCAPED = *ESCAPED this properly computes reachability.
2127         (find_what_var_points_to): New function.
2128         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2129         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2130         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2131         pt_solutions_intersect): New functions.
2132         (compute_call_used_vars): Remove.
2133         (compute_may_aliases): New main entry into PTA computation.
2134         * gimple.h (gimple_p): New typedef.
2135         (struct gimple_statement_base): Remove references_memory_p.
2136         (struct gimple_statement_with_memory_ops_base): Remove
2137         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2138         members.
2139         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2140         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2141         gimple_set_references_memory): Remove.
2142         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2143         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2144         New functions.
2145         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2146         (verify_expr): Allow RESULT_DECL.
2147         (gimple_duplicate_bb): Do not copy virtual operands.
2148         (gimple_duplicate_sese_region): Adjust.
2149         (gimple_duplicate_sese_tail): Likewise.
2150         (mark_virtual_ops_in_region): Remove.
2151         (move_sese_region_to_fn): Do not call it.
2152         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2153         and pass_simple_dse.
2154         (execute_function_todo): Handle TODO_update_address_taken,
2155         call execute_update_addresses_taken for TODO_rebuild_alias.
2156         (execute_todo): Adjust.
2157         (execute_one_pass): Init dump files early.
2158         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2159         call-clobbered.
2160         (create_general_new_stmt): Clear vops.
2161         * tree-ssa-reassoc.c (get_rank): Adjust.
2162         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2163         symbols for renaming.
2164         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2165         (PARAM_AVG_ALIASED_VOPS): Likewise.
2166         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2167         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2168         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2169         (operand_build_cmp, copy_virtual_operands,
2170         create_ssa_artificial_load_stmt, add_to_addressable_set,
2171         gimple_add_to_addresses_taken): Remove public functions.
2172         (unlink_stmt_vdef): New function.
2173
2174 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2175
2176         * config.gcc (powerpc-*-linux*): Merge variants.
2177
2178 2009-04-02  Chao-ying Fu  <fu@mips.com>
2179             James Grosbach <james.grosbach@microchip.com>
2180
2181         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2182         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2183         cop0_sp_offset.
2184         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2185         keep_interrupts_masked_p, use_debug_exception_return_p.
2186         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2187         keep_interrupts_masked, use_debug_exception_return.
2188         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2189         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2190         New functions.
2191         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2192         (mips_print_operand): Process COP0 registers to print $0 .. $31
2193         correctly for GAS to process.
2194         (mips_interrupt_extra_call_saved_reg_p): New function.
2195         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2196         extra registers.
2197         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2198         (mips_compute_frame_info): Add supports for interrupt context that
2199         includes doubleword accumulators and COP0 registers.
2200         (mips_for_each_saved_acc): New function.
2201         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2202         mips_for_each_saved_reg.
2203         (mips_save_reg): Save accumulators.
2204         (mips_kernel_reg_p): A new for_each_rtx callback.
2205         (mips_expand_prologue): Support interrupt handlers.
2206         (mips_restore_reg): Restore accumulators.
2207         (mips_expand_epilogue): Support interrupt handlers.
2208         (mips_can_use_return_insn): Return false for interrupt handlers.
2209         (mips_epilogue_uses): New function.
2210         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2211         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2212         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2213         cop0_move): New instructions.
2214         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2215         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2216         defines.
2217         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2218         New defines.
2219         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2220         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2221         interrupt handlers, we use K0 as the temporary register.
2222         (EPILOGUE_USES): Change to a function call.
2223         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2224         handlers, we use K0 as the temporary register.
2225         
2226         * doc/extend.texi (Function Attributes): Document interrupt,
2227         use_shadow_register_set, keep_interrupts_masked,
2228         use_debug_exception_return for MIPS attributes.
2229
2230 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2231
2232         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2233         Remove a number of t-files from tmake_file.
2234         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2235         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2236         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2237         target_prototype, not TARGET_PROTOTYPE.
2238         (LINK_OS_GNU_SPEC): Define.
2239         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2240         and darwin-ldoubdle.c.
2241
2242 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2243
2244         PR driver/39293
2245         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2246         (cpp_options): Ditto.
2247         (default_compilers): Ditto.
2248         (display_help): Ditto.
2249         (process_command): Ditto.
2250         (do_spec_1): Ditto.
2251         (set_input): Use lbasename instead of duplicate code.
2252         (save_temps_prefix): New static for -save-temps=obj.
2253         (save_temps_length): Ditto.
2254         
2255         * doc/invoke.texi (-save-temps=obj): Document new variant to
2256         -save-temps switch.
2257
2258 2009-04-02  Jeff Law  <law@redhat.com>
2259
2260         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2261         variable.
2262
2263 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2264
2265         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2266         * configure: Regenerated.
2267
2268 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2269
2270         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2271         share the argument list.
2272
2273 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2274
2275         Merge
2276
2277         2009-02-12  Diego Novillo  <dnovillo@google.com>
2278
2279         * varpool.c (debug_varpool): New.
2280         * cgraph.h (debug_varpool): Declare.
2281
2282 2009-04-02  Jan Hubicka  <jh@suse.cz>
2283
2284         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2285         pass.
2286
2287 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2288
2289         * config/i386/i386.c (ix86_abi): Move initialization to ...
2290         (override_options): Here.
2291
2292 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2293
2294         * config/sh/sh.c (sh_dwarf_register_span): New function.
2295         (TARGET_DWARF_REGISTER_SPAN): Define.
2296         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2297         
2298 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2299
2300         PR tree-optimization/39595
2301         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2302         interleaved loads group is not  greater than the SLP group size.
2303
2304 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2305
2306         * builtins.c (is_builtin_name): New.
2307         (called_as_built_in): Use is_builtin_name.
2308         * tree.h (is_builtin_name): New.
2309         * varasm.c (incorporeal_function_p): Use is_builtin_name
2310
2311 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2312
2313         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2314
2315 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2316
2317         PR c++/26693
2318         * c-decl.c (clone_underlying_type): Move this ...
2319         * c-common.c (set_underlying_type): ... here.
2320         Also, make sure the function properly sets TYPE_STUB_DECL() on
2321         the newly created typedef variant type.
2322         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2323         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2324         points.
2325
2326 2009-04-02  Richard Guenther  <rguenther@suse.de>
2327
2328         PR tree-optimization/37221
2329         * tree-flow.h (degenerate_phi_result): Declare.
2330         * tree-ssa-dom.c (degenerate_phi_result): Export.
2331         * tree-scalar-evolution.c (analyze_initial_condition): If
2332         the initial condition is defined by a degenerate PHI node
2333         use the degenerate value.
2334
2335 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2336
2337         PR rtl-optimization/39588
2338         * combine.c (merge_outer_ops): Do not set the constant when this
2339         is not necessary.
2340         (simplify_shift_const_1): Do not modify it either in this case.
2341
2342 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2343
2344         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2345         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2346
2347 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2348
2349         PR c/29027
2350         * c-lex.c (interpret_float): Default (no suffix) is double.
2351
2352 2009-04-1  Xinliang David Li  <davidxl@google.com>
2353
2354         * config/i386/i386.c (legitimate_constant_p): Recognize
2355         all one vector constant.
2356
2357 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2358
2359         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2360         Change #include order to silence two warnings.
2361
2362 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2363
2364         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2365         (ASM_SPEC): Pass -k to the assembler for PIC code.
2366
2367 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2368
2369         * gcc/config.gcc: Add vax-*-linux* to the switch.
2370         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2371         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2372
2373 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2374
2375         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2376         Use predicate macros instead of GET_CODE() == foo.
2377         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2378         ashlsi3, rotrsi3, <unnamed>): Likewise.
2379
2380 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2381
2382         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2383         jbbccihi, jbbccisi): Remova trailing whitespace.
2384         * gcc/config/vax/constraints.md: Likewise.
2385         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2386         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2387         * gcc/config/vax/predicates.md: Likewise.
2388         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2389         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2390         * gcc/config/vax/vax.h: Likewise.
2391         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2392
2393 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2394
2395         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2396         (indirectable_address_p, adjacent_operands_p): Add spaces around
2397         braces.
2398         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2399
2400 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2401
2402         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2403         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2404         index_term_p, reg_plus_index_p, legitimate_address_p,
2405         vax_mode_dependent_address_p): Update comments to match functions
2406         modified by the recent int->bool conversion.
2407
2408 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2409
2410         * gcc/config/vax/builtins.md: Update copyright message.
2411         * gcc/config/vax/constraints.md: Likewise.
2412         * gcc/config/vax/netbsd-elf.h: Likewise.
2413         * gcc/config/vax/predicates.md: Likewise.
2414         * gcc/config/vax/vax-protos.h: Likewise.
2415         * gcc/config/vax/vax.c: Likewise.
2416         * gcc/config/vax/vax.h: Likewise.
2417         * gcc/config/vax/vax.md: Likewise.
2418         * gcc/config/vax/vax.opt: Likewise.
2419
2420 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2421
2422         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2423         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2424         * gcc/config/vax/constraints.md (B, R): Likewise.
2425         * gcc/config/vax/predicates.md (external_memory_operand,
2426         nonimmediate_addsub_di_operand): Likewise.
2427         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2428         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2429         untyped_call): Likewise.
2430
2431 2009-04-01  Matt Thomas <matt@3am-software.com>
2432
2433         * config/vax/predicates.md: New file.
2434         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2435         external_const_operand, nonsymbolic_operand, external_memory_operand,
2436         indirect_memory_operand, indexed_memory_operand,
2437         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2438         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2439         predicate.
2440         * config/vax/constraints.md: New file.
2441         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2442         New constraint.
2443         * config/vax/builtins.md: New file.
2444         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2445         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2446         jbbccisi): Define.
2447         * config/vax/vax.opt (mqmath): Add option.
2448         * config/vax/vax.md (isfx): Extend with DI.
2449         (VAXintQH, VAXintQHSD): Define.
2450         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2451         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2452         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2453         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2454         (movdi): Update constraints and use vax_output_int_move().
2455         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2456         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2457         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2458         nonlocal_goto): New.
2459         (mov<mode>): Extend accepted operand types.
2460         (subdi3_old): Rename from subdi3, change update constraints and use
2461         a new implementation.
2462         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2463         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2464         MOVE_RATIO, CLEAR_RATIO): Define.
2465         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2466         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2467         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2468         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2469         (split_quadword_operands): Make static and really allow variable
2470         splitting.
2471         (print_operand_address): Update for PIC generation.
2472         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2473         indexable_address_p, fixup_mathdi_operand,
2474         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2475         (vax_float_literal, legitimate_constant_p,
2476         indirectable_constant_address_p, index_term_p,
2477         reg_plus_index_p): Return bool instead of int.
2478         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2479         where needed.
2480         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2481         generation.
2482         (vax_output_conditional_branch): Indent.
2483         (legitimate_constant_address_p, indirectable_constant_address_p,
2484         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2485         vax_mode_dependent_address_p): Return bool instead of int, update for
2486         PIC generation.
2487         * config/vax/vax-protos.h (legitimate_constant_address_p,
2488         legitimate_constant_p, legitimate_address_p,
2489         vax_mode_dependent_address_p): Change declaration to bool.
2490         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2491         vax_expand_addsub_di_operands, vax_output_int_subtract,
2492         vax_output_movmemsi): Declare.
2493         (split_quadword_operands, vax_float_literal): Delete declaration.
2494         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2495         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2496         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2497         ASM_OUTPUT_DWARF_PCREL): Define.
2498         (ASM_SPEC): Change definition to allow PIC generation.
2499
2500 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2501
2502         * doc/sourcebuild.texi: Update front-end requirements.
2503
2504 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR target/39226
2507         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2508         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2509         (booldi3_internal3): Use boolean_or_operator instead of
2510         boolean_operator.
2511
2512 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2513
2514         PR c/39605
2515         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2516         declarator whose size is not an integer constant expression but
2517         folds to an integer constant, then treat it as a constant
2518         subsequently.
2519
2520 2009-04-01  Richard Guenther  <rguenther@suse.de>
2521
2522         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2523         i * 4 + 2 to (i * 2 + 1) * 2.
2524
2525 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2526
2527         PR c/37772
2528         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2529         return if c_parser_asm_string_literal returned NULL.
2530
2531 2009-04-01  Nick Clifton  <nickc@redhat.com>
2532
2533         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2534         already defined.
2535         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2536         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2537         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2538         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2539         include it.
2540         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2541         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2542         then include it.
2543
2544 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2545
2546         * varasm.c (default_function_rodata_section): Declare DOT as
2547         const char*.
2548
2549 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2550             Andrey Galkin <agalkin@hypercom.com>
2551
2552         PR/39492
2553         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2554         Make object_name unique for each process.
2555
2556 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2557
2558         PR other/39591
2559         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2560         addressable variables in the parallel that could go out of scope while
2561         running queued tasks.
2562
2563 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2564
2565         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2566         (CASE_VALUES_THRESHOLD): Redefine.
2567         * config/avr/avr.c (avr_override_options): Remove initialization of
2568         avr_case_values_threshold variable.
2569         (avr_case_values_threshold): Remove variable. Add new function.
2570         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2571         * config/avr/avr.opt (mno-tablejump): Remove option.
2572         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2573
2574 2009-04-01  DJ Delorie  <dj@redhat.com>
2575
2576         * varasm.c (default_function_rodata_section): Don't assume
2577         anything about where the first '.' in the section name is.
2578
2579 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2580
2581         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2582         rs6000_emit_stack_tie.
2583
2584 2009-03-31  Ian Lance Taylor  <iant@google.com>
2585
2586         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2587         gimple_code with GIMPLE_RESX, not RESX.
2588
2589 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2590
2591         * c-common.c (c_get_ident): New.
2592         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2593
2594 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2595
2596         * config/rs6000/sysv4.opt (msdata): Improve option description.
2597
2598 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2599
2600         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2601         (divdf3_internal_lat): Remove.
2602         (divxf3_internal_lat): Remove.
2603         (divxf3_internal_thr): Remove.
2604         (divxf): Use divxf3_internal.
2605         * config/ia64/div.md (divsf3_internal_lat): New.
2606         (divdf3_internal_lat): New.
2607         (divxf3_internal): New.
2608
2609 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2610
2611         PR c/448
2612         * Makefile.in (USE_GCC_STDINT): Define.
2613         (stmp-int-hdrs): Install stdint.h if applicable.
2614         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2615         if known.
2616         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2617         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2618         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2619         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2620         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2621         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2622         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2623         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2624         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2625         (c_common_nodes_and_builtins): Initialize
2626         underlying_wchar_type_node.  Do not initialize
2627         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2628         nodes for new types.
2629         (c_stddef_cpp_builtins): Define macros for new types.
2630         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2631         Remove.
2632         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2633         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2634         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2635         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2636         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2637         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2638         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2639         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2640         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2641         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2642         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2643         int16_type_node, int32_type_node, int64_type_node,
2644         uint8_type_node, uint16_type_node, c_uint32_type_node,
2645         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2646         int_least32_type_node, int_least64_type_node,
2647         uint_least8_type_node, uint_least16_type_node,
2648         uint_least32_type_node, uint_least64_type_node,
2649         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2650         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2651         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2652         uintptr_type_node): Define.
2653         * c-cppbuiltin.c (builtin_define_constants,
2654         builtin_define_type_minmax): New.
2655         (builtin_define_stdint_macros): Define more macros.
2656         (c_cpp_builtins): Define more limit macros.
2657         (type_suffix): New.
2658         (builtin_define_type_max): Define in terms of
2659         builtin_define_type_minmax.  Remove is_long parameter.  All
2660         callers changed.
2661         * config.gcc (use_gcc_stdint): Define.
2662         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2663         Add newlib-stdint.h for generic targets.
2664         * config/glibc-stdint.h, config/newlib-stdint.h,
2665         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2666         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2667         * config/score/score.h (UINTPTR_TYPE): Define.
2668         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2669         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2670         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2671         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2672         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2673         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2674         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2675         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2676         * config/spu/spu.h (STDINT_LONG32): Define.
2677         * configure.ac (use_gcc_stdint): Substitute.
2678         * configure: Regenerate.
2679         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2680         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2681         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2682         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2683         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2684         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2685         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2686         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2687         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2688         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2689         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2690         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2691         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2692         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2693         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2694         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2695         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2696         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2697         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2698         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2699         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2700         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2701         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2702         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2703         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2704         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2705         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2706         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2707         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2708
2709 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2710
2711         * loop-iv.c (suitable_set_for_replacement): Renamed from
2712         simplify_using_assignment; changed to return bool and to accept new
2713         args DEST and SRC.  Return true iff we find a source/destination pair
2714         that can be used to make a replacement, and fill SRC and DEST if so.
2715         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2716         changed.
2717         (simplify_using_initial_values): Deal with altered regs here and track
2718         more precisely the effect they have on the validity of our expression.
2719
2720         * loop-iv.c (simplify_using_condition): A condition of the form
2721         (EQ REG CONST) can be used to simply make a substitution.
2722         (simplify_using_initial_values): Keep track of conditions we have seen
2723         and keep using them to simplify new expressions, while applying the
2724         same substitutions to them as to the expression.
2725
2726         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2727         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2728         GEU/LTU reversed.
2729
2730         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2731         changed.  Use this when trying to improve the upper bound.
2732         Generate the comparison by using simplify_gen_relational.
2733
2734         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2735
2736         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2737         functions.
2738         (simplify_using_assignment, simplify_using_initial_values): Call 
2739         replace_in_expr to make replacements.  Call replace_single_def_regs
2740         once on the initial version of the expression.
2741
2742 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2743
2744         PR target/27237
2745         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2746         
2747 2009-03-31  Richard Guenther  <rguenther@suse.de>
2748
2749         PR middle-end/31029
2750         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2751         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2752
2753 2009-03-31  Richard Guenther  <rguenther@suse.de>
2754
2755         * tree.h (div_if_zero_remainder): Declare.
2756         * fold-const.c (div_if_zero_remainder): Export.
2757         * tree-ssa-forwprop.c
2758         (forward_propagate_addr_into_variable_array_index): Handle
2759         constant array index addition outside of the variable index.
2760
2761 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2762
2763         PR target/39592
2764         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2765         define_splits, floatunssi<mode>2): Require x87 conversions from
2766         DImode to be permitted.
2767
2768 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2769
2770         PR preprocessor/15638
2771         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2772
2773 2009-03-31  Richard Guenther  <rguenther@suse.de>
2774
2775         PR middle-end/23401
2776         PR middle-end/27810
2777         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2778         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2779         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2780         a separate statement.
2781         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2782         (lookup_tmp_var): Likewise.
2783         (is_gimple_formal_tmp_or_call_rhs): Remove.
2784         (is_gimple_reg_or_call_rhs): Rename to ...
2785         (is_gimple_reg_rhs_or_call): ... this.
2786         (is_gimple_mem_or_call_rhs): Rename to ...
2787         (is_gimple_mem_rhs_or_call): ... this.
2788         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2789         DECL_GIMPLE_REG_P only if is_formal is true.
2790         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2791         for non-proper post-modify expression gimplification.
2792         (gimplify_self_mod_expr): For post-modify expressions gimplify
2793         the lvalue to a minimal lvalue.
2794         (rhs_predicate_for): Remove formal temp case.
2795         (gimplify_modify_expr_rhs): Likewise.
2796         (gimplify_addr_expr): Use is_gimple_reg.
2797         (gimplify_expr): Remove formal temp cases.
2798         (gimple_regimplify_operands): Likewise.
2799         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2800         and FILTER_EXPR like constants.
2801         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2802         is_gimple_reg.
2803         (is_gimple_formal_tmp_rhs): Remove.
2804         (is_gimple_reg_rhs): Remove special casing.
2805         (is_gimple_mem_rhs): Fix.
2806         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2807         (is_gimple_formal_tmp_var): Remove.
2808         (is_gimple_formal_tmp_reg): Likewise.
2809         (is_gimple_min_lval): Allow invariant component ref parts.
2810         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2811         is_gimple_formal_tmp_reg): Remove declarations.
2812         * tree-cfg.c (verify_expr): Verify that variables with address
2813         taken do not have DECL_GIMPLE_REG_P set.
2814         * tree-mudflap.c (mf_build_check_statement_for): Use
2815         force_gimple_operand instead of gimplify_expr.
2816
2817 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2818
2819         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2820         schedulable rows to compute_split_row.
2821
2822 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2823
2824         PR target/31635
2825         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2826         OPT_mvrsave.
2827
2828 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2829
2830         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2831         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2832         * configure: Regenerate.
2833         * config.in: Regenerate.
2834         * config/rs6000/rs6000.opt (mtls-markers): Add.
2835         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2836         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2837         (tls_ld_aix, tls_ld_sysv): Likewise.
2838         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2839         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2840
2841 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2842
2843         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2844
2845 2009-03-30  Jan Hubicka  <jh@suse.cz>
2846
2847         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2848         out of RESX.
2849         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2850         detection and label handling.
2851
2852 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2853
2854         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2855         left_conflicts_size.
2856         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2857         ALLOCNO_LEFT_CONFLICTS_SIZE.
2858
2859         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2860         remove_allocno_from_bucket_and_push,
2861         allocno_spill_priority_compare, push_allocnos_to_stack,
2862         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2863         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2864         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2865         setup_allocno_left_conflicts_size.
2866         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2867         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2868         setup_allocno_left_conflicts_size instead of
2869         setup_allocno_left_conflicts_num.
2870
2871         * ira-build.c (ira_create_allocno): Use
2872         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2873         ALLOCNO_LEFT_CONFLICTS_NUM.
2874                 
2875 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2876
2877         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2878         instead of DF_LR_OUT.
2879
2880         * ira-lives.c (process_bb_node_lives): Ditto.
2881
2882         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2883         instead of DF_LR_{OUT,IN}.
2884
2885         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2886
2887         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2888
2889 2009-03-30  Jan Hubicka  <jh@suse.cz>
2890
2891         * except.c (label_to_region_map): Fix thinko.
2892
2893 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2894
2895         PR middle-end/38237
2896         * tree.h (tree_find_value): New declaration.
2897         * tree.c (tree_find_value): New function.
2898         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2899
2900 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2901
2902         PR debug/39563
2903         * c-decl.c (struct c_binding): Add locus field.
2904         (bind): Add locus argument, set locus field from it.
2905         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2906         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2907         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2908         implicitly_declare, undeclared_variable, lookup_label,
2909         declare_label, c_make_fname_decl, c_builtin_function,
2910         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2911         bind callers.
2912
2913 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2914
2915         PR target/38781
2916         * config/i386/i386.c (classify_argument): Check total size of
2917         structure.
2918
2919 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2920
2921         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2922         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2923         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2924         respectively.
2925
2926         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2927         seen_variable_array_ref while also traversing a union.
2928
2929         * tree-inline.c (optimize_inline_calls): Do not call
2930         cgraph_node_remove_callees.
2931         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2932         (pass_remove_cgraph_callee_edges): New variable.
2933         * passes.c (init_optimization_passes): Add
2934         pass_remove_cgraph_callee_edges after early inlining and before all
2935         late intraprocedural passes.
2936
2937         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2938
2939 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2940
2941         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2942         Fix typos in names.
2943
2944 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2945
2946         * combine.c (simplify_comparison): Use have_insn_for.
2947         * dojump.c (do_jump): Likewise.
2948
2949 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2950
2951         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2952         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2953         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2954         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2955         instead of sparc_compare_emitted.
2956         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2957         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2958         instead of sparc_compare_emitted.
2959
2960 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2961
2962         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2963         enter/exit cfglayout mode.
2964         (pass_partition_block): Require it.
2965         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2966         (combine_instructions): Track basic blocks instead of labels.
2967         (update_cfg_for_uncondjump): New.
2968         (try_combine): Use it.  Update jumps after rescanning.
2969         (pass_combine): Require PROP_cfglayout.
2970         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2971
2972 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2973
2974         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2975         Provide/destroy PROP_cfglayout respectively.
2976         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2977         * tree-pass.h (PROP_cfglayout): New.
2978
2979 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2980
2981         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2982         fold_convert_const_fixed_from_fixed,
2983         fold_convert_const_fixed_from_int,
2984         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2985         set TREE_CONSTANT_OVERFLOW.
2986         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2987         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2988
2989 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2990
2991         * tree-vect-loop-manip.c: New file.
2992         * tree-vectorizer.c: Update documentation and included files.
2993         (vect_loop_location): Make extern.
2994         (rename_use_op): Move to tree-vect-loop-manip.c
2995         (rename_variables_in_bb, rename_variables_in_loop, 
2996         slpeel_update_phis_for_duplicate_loop, 
2997         slpeel_update_phi_nodes_for_guard1,
2998         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2999         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3000         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3001         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3002         find_loop_location): Likewise.
3003         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3004         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3005         get_vectype_for_scalar_type, vect_is_simple_use,
3006         supportable_widening_operation, supportable_narrowing_operation):
3007         Likewise.
3008         (bb_in_loop_p): Move to tree-vect-loop.c.
3009         (new_loop_vec_info, destroy_loop_vec_info, 
3010         reduction_code_for_scalar_code, report_vect_op, 
3011         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3012         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3013         (vect_supportable_dr_alignment): Likewise.
3014         * tree-vectorizer.h (tree-data-ref.h): Include.
3015         (vect_loop_location): Declare.
3016         Reorganize function declarations according to the new file structure.
3017         * tree-vect-loop.c: New file.
3018         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3019         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3020         * tree-vect-data-refs.c: New file.
3021         * tree-vect-patterns.c (timevar.h): Don't include.
3022         * tree-vect-stmts.c: New file.
3023         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3024         tree-vect-slp.c, tree-vect-loop.c.
3025         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3026         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3027         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3028         (tree-vect-analyze.o): Remove.
3029         (tree-vect-transform.o): Likewise.
3030         (tree-vect-data-refs.o): Add rule.
3031         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3032         tree-vect-slp.o): Likewise.
3033         (tree-vect-patterns.o): Remove redundant dependencies.
3034         (tree-vectorizer.o): Likewise.
3035         * tree-vect-slp.c: New file.
3036
3037 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3038
3039         * optc-gen.awk: Warn if an option flag has multiple different
3040         help strings.
3041
3042 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3043
3044         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3045         -floop-block): Document dependences on PPL, CLooG and Graphite.
3046
3047 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3048
3049         PR rtl-optimization/323
3050         * c-common.c (c_fully_fold, convert_and_check,
3051         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3052         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3053         * c-common.def (EXCESS_PRECISION_EXPR): New.
3054         * c-cppbuiltin.c (builtin_define_float_constants): Define
3055         constants with enough digits for long double.
3056         * c-lex.c (interpret_float): Interpret constant with excess
3057         precision where appropriate.
3058         * c-opts.c (c_common_post_options): Set
3059         flag_excess_precision_cmdline.  Give an error for
3060         -fexcess-precision=standard for C++ for processors where the
3061         option is significant.
3062         * c-parser.c (c_parser_conditional_expression): Handle excess
3063         precision in condition.
3064         * c-typeck.c (convert_arguments): Handle arguments with excess
3065         precision.
3066         (build_unary_op): Move excess precision outside operation.
3067         (build_conditional_expr): Likewise.
3068         (build_compound_expr): Likewise.
3069         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3070         (build_modify_expr): Handle excess precision in RHS.
3071         (convert_for_assignment): Handle excess precision in converted
3072         value.
3073         (digest_init, output_init_element, process_init_element): Handle
3074         excess precision in initializer.
3075         (c_finish_return): Handle excess precision in return value.
3076         (build_binary_op): Handle excess precision in operands and add
3077         excess precision as needed for operation.
3078         * common.opt (-fexcess-precision=): New option.
3079         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3080         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3081         For standard excess precision, output explicit conversion to and
3082         truncation from XFmode.
3083         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3084         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3085         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3086         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3087         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3088         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3089         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3090         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3091         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3092         define_splits, sqrt<mode>2): Disable where appropriate for
3093         standard excess precision.
3094         * convert.c (convert_to_real): Do not shorten arithmetic to type
3095         for which excess precision would be used.
3096         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3097         * doc/invoke.texi (-fexcess-precision=): Document option.
3098         (-mfpmath=): Correct index entry.
3099         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3100         flag_excess_precision): New.
3101         * langhooks.c (lhd_post_options): Set
3102         flag_excess_precision_cmdline.
3103         * opts.c (common_handle_option): Handle -fexcess-precision=.
3104         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3105         init_excess_precision): New.
3106         (lang_dependent_init_target): Call init_excess_precision.
3107         * tree.c (excess_precision_type): New.
3108         * tree.h (excess_precision_type): Declare.
3109
3110 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3111
3112         PR c/35235
3113         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3114         non-lvalue to component.
3115
3116 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3117
3118         PR preprocessor/34695
3119         * Makefile.in (c-opts.o): Depend on c-tree.h.
3120         * c-common.c: Move down include of diagnostic.h.
3121         (done_lexing, c_cpp_error): New.
3122         * c-common.h (done_lexing): Declare.
3123         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3124         (parse_in).
3125         * c-opts.c: Include c-tree.h.
3126         (c_common_init_options): Set preprocessor error callback.
3127         (c_common_handle_option): Do not set preprocessor
3128         inhibit_warnings, warnings_are_errors, warn_system_headers,
3129         pedantic_errors or inhibit_warnings flags.
3130         (c_common_post_options): Do not check cpp_errors (parse_in).
3131         (c_common_finish): Do not output dependencies if there were
3132         errors.  Do not check return value of cpp_finish.
3133         * c-ppoutput.c (pp_file_change): Set input_location.
3134         * c-tree.h (c_cpp_error): Declare.
3135         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3136         override_column.
3137         (diagnostic_build_prefix): Check override_column.
3138         * diagnostic.h (diagnostic_info): Add override_column field.
3139         (diagnostic_override_column): Define.
3140
3141 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3142
3143         * c-common.c (c_expand_expr, c_staticp): Remove.
3144         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3145         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3146         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3147         * c-gimplify.c (gimplify_compound_literal_expr,
3148         optimize_compound_literals_in_ctor): Remove.
3149         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3150         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3151         * c-semantics.c (emit_local_var): Remove.
3152
3153         * langhooks-def.h (lhd_expand_expr): Remove.
3154         * langhooks.c (lhd_expand_expr): Remove.
3155         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3156
3157         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3158         handling from c-semantics.c; don't call into langhook.
3159         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3160         * gimplify.c (gimplify_compound_literal_expr,
3161         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3162         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3163         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3164         as was done in c-gimplify.c.
3165         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3166         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3167         Move from c-common.h.
3168         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3169
3170         * tree.c (staticp): Do not call langhook.
3171         * langhooks.c (lhd_staticp): Delete.
3172         * langhooks-def.h (lhd_staticp): Delete prototype.
3173         (LANG_HOOKS_STATICP): Delete.
3174         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3175
3176         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3177         instead of DECL_STMTs.
3178
3179 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3180
3181         PR c/456
3182         PR c/5675
3183         PR c/19976
3184         PR c/29116
3185         PR c/31871
3186         PR c/35198
3187         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3188         void_type_node.
3189         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3190         contained expression.
3191         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3192         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3193         conditional expressions for C.
3194         (decl_constant_value_for_optimization): Move from
3195         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3196         whether optimizing and that the expression is a VAR_DECL not of
3197         array type instead of doing such checks in the caller.  Do not
3198         check pedantic.  Call gcc_unreachable for C++.
3199         * c-common.def (C_MAYBE_CONST_EXPR): New.
3200         * c-common.h (c_fully_fold, c_save_expr,
3201         decl_constant_value_for_optimization): New prototypes.
3202         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3203         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3204         EXPR_INT_CONST_OPERANDS): Define.
3205         * c-convert.c (convert): Strip nops from expression.
3206         * c-decl.c (groktypename): Take extra parameters expr and
3207         expr_const_operands.  Update call to grokdeclarator.
3208         (start_decl): Update call to grokdeclarator.  Add statement for
3209         expressions used in type of decl.
3210         (grokparm): Update call to grokdeclarator.
3211         (push_parm_decl): Update call to grokdeclarator.
3212         (build_compound_literal): Add parameter non_const and build a
3213         C_MAYBE_COSNT_EXPR if applicable.
3214         (grokdeclarator): Take extra parameters expr and
3215         expr_const_operands.  Track expressions used in declaration
3216         specifiers and declarators.  Fold array sizes and track whether
3217         they are constant expressions and whether they are integer
3218         constant expressions.
3219         (parser_xref_tag): Set expr and expr_const_operands fields in
3220         return value.
3221         (grokfield): Update call to grokdeclarator.
3222         (start_function): Update call to grokdeclarator.
3223         (build_null_declspecs): Set expr and expr_const_operands fields in
3224         return value.
3225         (declspecs_add_type): Handle expressions in typeof specifiers.
3226         * c-parser.c (c_parser_declspecs): Set expr and
3227         expr_const_operands fields for declaration specifiers.
3228         (c_parser_enum_specifier): Likewise.
3229         (c_parser_struct_or_union_specifier): Likewise.
3230         (c_parser_typeof_specifier): Likewise.  Update call to
3231         groktypename.  Fold expression as needed.  Return expressions with
3232         type instead of adding statements.
3233         (c_parser_attributes): Update calls to c_parser_expr_list.
3234         (c_parser_statement_after_labels): Fold expression before passing
3235         to objc_build_throw_stmt.
3236         (c_parser_condition): Fold expression.
3237         (c_parser_asm_operands): Fold expression.
3238         (c_parser_conditional_expression): Use c_save_expr.  Update call
3239         to build_conditional_expr.
3240         (c_parser_alignof_expression): Update call to groktypename.
3241         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3242         original_code.  Fold expression argument of va_arg.  Create
3243         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3244         argument to va_arg.  Update calls to groktypename.  Fold array
3245         index for offsetof.  Verify that first argument to
3246         __builtin_choose_expr has integer type.
3247         (c_parser_postfix_expression_after_paren_type): Update calls to
3248         groktypename and build_compound_literal.  Handle expressions with
3249         side effects in type name.
3250         (c_parser_postfix_expression_after_primary): Update call to
3251         c_parser_expr_list.  Set original_code for calls to
3252         __builtin_constant_p.
3253         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3254         expressions if requested.
3255         (c_parser_objc_type_name): Update call to groktypename.
3256         (c_parser_objc_synchronized_statement): Fold expression.
3257         (c_parser_objc_receiver): Fold expression.
3258         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3259         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3260         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3261         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3262         (struct c_typespec): Add elements expr and expr_const_operands.
3263         (struct c_declspecs): Add elements expr and expr_const_operands.
3264         (groktypename, build_conditional_expr, build_compound_literal):
3265         Update prototypes.
3266         (in_late_binary_op): Declare.
3267         * c-typeck.c (note_integer_operands): New function.
3268         (in_late_binary_op): New variable.
3269         (decl_constant_value_for_broken_optimization): Move to c-common.c
3270         and rename to decl_constant_value_for_optimization.
3271         (default_function_array_conversion): Do not strip nops.
3272         (default_conversion): Do not call
3273         decl_constant_value_for_broken_optimization.
3274         (build_array_ref): Do not fold result.
3275         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3276         result when operand is a VLA.
3277         (c_expr_sizeof_type): Update call to groktypename.  Handle
3278         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3279         result when operand names a VLA type.
3280         (build_function_call): Update call to build_compound_literal.
3281         Only fold result for calls to __builtin_* functions.  Strip
3282         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3283         the function designator.
3284         (convert_arguments): Fold arguments.  Update call to
3285         convert_for_assignment.
3286         (build_unary_op): Handle increment and decrement of
3287         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3288         decrement earlier.  Fold operand of increment and decrement.
3289         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3290         built for integer operand.  Wrap returns that are INTEGER_CSTs
3291         without being integer constant expressions or that have integer
3292         constant operands without being INTEGER_CSTs.
3293         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3294         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3295         result is an integer constant expression or can be used in
3296         unevaluated parts of one and avoid folding and wrap as
3297         appropriate.  Fold operands before possibly doing -Wsign-compare
3298         warnings.
3299         (build_compound_expr): Wrap result for C99 if operands can be used
3300         in integer constant expressions.
3301         (build_c_cast): Update call to digest_init.  Do not ignore
3302         overflow from casting floating-point constants to integers.  Wrap
3303         results that could be confused with integer constant expressions,
3304         null pointer constants or floating-point constants.
3305         (c_cast_expr): Update call to groktypename.  Handle expressions
3306         included in type name.
3307         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3308         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3309         Update calls to convert_for_assignment.
3310         (convert_for_assignment): Take new parameter
3311         null_pointer_constant.  Do not strip nops or call
3312         decl_constant_value_for_broken_optimization.  Set
3313         in_late_binary_op for conversions to boolean.
3314         (store_init_value): Update call to digest_init.
3315         (digest_init): Take new parameter null_pointer_constant.  Do not
3316         call decl_constant_value_for_broken_optimization.  pedwarn for
3317         initializers not constant expressions.  Update calls to
3318         convert_for_assignment.
3319         (constructor_nonconst): New.
3320         (struct constructor_stack): Add nonconst element.
3321         (really_start_incremental_init, push_init_level, pop_init_level):
3322         Handle constructor_nonconst and nonconst element.
3323         (set_init_index): Call constant_expression_warning for array
3324         designators.
3325         (output_init_element): Fold value.  Set constructor_nonconst as
3326         applicable.  pedwarn for initializers not constant expressions.
3327         Update call to digest_init.  Call constant_expression_warning
3328         where constant initializers are required.
3329         (process_init_element): Use c_save_expr.
3330         (c_finish_goto_ptr): Fold expression.
3331         (c_finish_return): Fold return value.  Update call to
3332         convert_for_assignment.
3333         (c_start_case): Fold switch expression.
3334         (c_process_expr_stmt): Fold expression.
3335         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3336         ensure statement expression is not evaluated in constant expression.
3337         (build_binary_op): Track whether results are integer constant
3338         expressions or may occur in such, disable folding and wrap results
3339         as applicable.  Fold operands for -Wsign-compare warnings unless
3340         in_late_binary_op.
3341         (c_objc_common_truthvalue_conversion): Handle results folded to
3342         integer constants that are not integer constant expressions.
3343         * doc/extend.texi: Document when typeof operands are evaluated,
3344         that condition of __builtin_choose_expr is an integer constant
3345         expression, and more about use of __builtin_constant_p in
3346         initializers.
3347
3348 2009-03-29  Richard Guenther  <rguenther@suse.de>
3349
3350         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3351         propagate addresses of array references.
3352
3353 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3354
3355         * regmove.c (perhaps_ends_bb_p): Remove.
3356         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3357         from INSN and check that the main loop stays within that basic block.
3358         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3359         (regmove_forward_pass): Split out from regmove_optimize.  Use
3360         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3361         (regmove_backward_pass): Split out from regmove_optimize.  Use
3362         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3363         (regmove_optimize): Simplify.
3364
3365 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR target/39545
3368         * config/i386/i386.c (classify_argument): Ignore flexible array
3369         member in struct and warn ABI change.
3370
3371 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3372
3373         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3374
3375         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3376         (ix86_adjust_cost): Updated.
3377
3378 2009-03-29  Jan Hubicka  <jh@suse.cz>
3379
3380         PR middle-end/28850
3381         * tree-pass.h (pass_cleanup_eh): New function.
3382         (remove_unreachable_regions): Break code handling RTL
3383         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3384         that can not be reached by runtime.
3385         (can_be_reached_by_runtime): New function.
3386         (label_to_region_map): New function.
3387         (num_eh_regions): New function.
3388         (rtl_remove_unreachable_regions): New function.
3389         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3390         (remove_eh_region): New function.
3391         * except.h: Include sbitmap and vecprim.
3392         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3393         num_eh_regions): Declare.
3394         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3395         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3396         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3397         (tree_empty_eh_handler_p): New function.
3398         (cleanup_empty_eh): New function.
3399         (cleanup_eh): New function.
3400         (pass_cleanup_eh): New function.
3401
3402 2009-03-29  Jan Hubicka  <jh@suse.cz>
3403
3404         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3405         for removed regions.
3406
3407 2009-03-29  Jan Hubicka  <jh@suse.cz>
3408
3409         * except.c (dump_eh_tree): Dump all datastructures.
3410
3411 2009-03-29  Jan Hubicka  <jh@suse.cz>
3412
3413         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3414         (duplicate_eh_regions_1): Likewise.
3415         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3416         vector; call EH verification.
3417         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3418         Be ready for region being removed.
3419
3420 2009-03-29  Jan Hubicka  <jh@suse.cz>
3421
3422         * bitmap.c (bitmap_last_set_bit): New function.
3423         * bitmap.h (bitmap_last_set_bit): Declare.
3424
3425 2009-03-29  David Ayers  <ayers@fsfe.org>
3426
3427         PR objc/27377
3428         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3429         by calling objc_compare_types and surpress warnings about
3430         incompatible C pointers that are compatible ObjC pointers.
3431         
3432 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3433
3434         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3435         call initialize_inline_failed.
3436         (initialize_inline_failed): Move it from here ...
3437         * cgraph.c (initialize_inline_failed): ... to here.
3438         (cgraph_create_edge): Call initialize_inline_failed rather than
3439         setting inline_failed directly.
3440
3441 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3442
3443         PR target/32542
3444         * sysv4.opt (msdata): Improve comment.
3445         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3446         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3447
3448 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3449
3450         PR target/30451
3451         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3452         load and store attributes.
3453
3454 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3455
3456         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3457         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3458         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3459         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3460         __builtin_infq and __builtin_huge_valq.
3461
3462 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3463
3464         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3465         atmega8m1 devices.
3466         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3467         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3468
3469 2009-03-28  Xinliang David Li  <davidxl@google.com>
3470
3471         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3472         (do_dbg_cnt): New function.
3473
3474 2009-03-28  Jan Hubicka  <jh@suse.cz>
3475
3476         Merge from pretty-ipa:
3477
3478         2009-03-27  Jan Hubicka  <jh@suse.cz>
3479
3480         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3481         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3482         * passes.c (function_called_by_processed_nodes_p): New.
3483         * ipa-pure-const.c (check_call): Fix handling of operands.
3484         (analyze_function): Dump debug output for skipped bodies.
3485         (local_pure_const): Use function_called_by_processed_nodes_p.
3486         * dwarf2out.c (reference_to_unused): Use output.
3487         * passes.c (do_per_function_toporder): Likewise.
3488
3489         2008-11-12  Jan Hubicka  <jh@suse.cz>
3490
3491         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3492         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3493         state_set_in_source enum
3494         (check_decl): Ignore memory tags; do not set fake looping flags;
3495         dump diagnostics.
3496         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3497         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3498         (check_call, analyze_function): Rewrite.
3499         (check_stmt): New.
3500         (add_new_function): Update call of analyze_function.
3501         (generate_summary): Add call of analyze_function.
3502         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3503         (local_pure_const): New function.
3504         (pass_local_pure_const): New pass.
3505         * ipa-inline.c (inline_transform): Set after_inlining.
3506         * tree-eh.c (stmt_can_throw_external): New.
3507         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3508         work with aliasing built.
3509         * tree-flow.h (stmt_can_throw_external): New.
3510         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3511         and local pure/const pass in early and late optimization queue.
3512
3513 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3514
3515         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3516         allow_func_align.
3517         (fold_binary): Allow function decl aligment consideration is the
3518         second argument is integer constant one.
3519         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3520         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3521         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3522
3523 2009-03-28  Jan Hubicka  <jh@suse.cz>
3524
3525         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3526         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3527         * function.h (rtl_data): Add nothrow flag.
3528         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3529         set DECL_NOTHROW for AVAILABLE functions.
3530
3531 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3532
3533         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3534         following vector keyword has expansion starting with pixel or bool
3535         keyword, expand vector to __vector and pixel or bool to __pixel or
3536         __bool.
3537
3538         PR c++/39554
3539         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3540         warn_if_disallowed_function_p): Removed.
3541         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3542         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3543         warning_if_disallowed_function_p.
3544         * flags.h (warn_if_disallowed_function_p,
3545         warn_disallowed_functions): Removed.
3546         * common.opt (Wdisallowed-function-list=): Removed.
3547         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3548
3549 2009-03-28  Richard Guenther  <rguenther@suse.de>
3550
3551         PR tree-optimization/38723
3552         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3553         the entry block.
3554
3555 2009-03-28  Jan Hubicka  <jh@suse.cz>
3556
3557         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3558         test introduced by my previous patch.
3559
3560 2009-03-28  Richard Guenther  <rguenther@suse.de>
3561
3562         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3563         the PHIs value undefined.
3564
3565 2009-03-28  Jan Hubicka  <jh@suse.cz>
3566
3567         * tree-pass.h (pass_fixup_cfg): New pass.
3568         * ipa-inline.c (inline_transform): Set
3569         always_inline_functions_inlined/after_inlining.
3570         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3571         (pass_fixup_cfg): New pass.
3572         * passes.c (init_optimization_passes): Add fixup_cfg.
3573
3574 2009-03-28  Richard Guenther  <rguenther@suse.de>
3575
3576         PR tree-optimization/38458
3577         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3578         argument use the arguments copy-of value.
3579
3580 2009-03-28  Richard Guenther  <rguenther@suse.de>
3581
3582         PR tree-optimization/38180
3583         * tree-ssa-ccp.c (get_default_value): Simplify.
3584         (likely_value): Likewise.
3585         (surely_varying_stmt_p): Properly handle VOP case.
3586         (ccp_initialize): Likewise.
3587         (ccp_fold): Handle propagating through *&.
3588         (fold_const_aggregate_ref): Also handle decls.
3589
3590 2009-03-28  Jan Hubicka  <jh@suse.cz>
3591
3592         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3593         * cgraph.h (cgraph_node): Likewise.
3594         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3595         (cgraph_reset_node): Use process flag.
3596         (cgraph_mark_functions_to_output): Likewise.
3597         (cgraph_expand_function): Likewise.
3598         (cgraph_expand_all_functions): Likewise.
3599         (cgraph_output_in_order): Likewise.
3600         * dwarf2out.c (reference_to_unused): Likewise.
3601         * passes.c do_per_function_toporder): Likewise.
3602
3603 2009-03-28  Jan Hubicka  <jh@suse.cz>
3604
3605         Bring from lto-branch:
3606
3607         2008-09-03  Doug Kwan  <dougkwan@google.com>
3608
3609         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3610         enums instead of reason strings.
3611         * cgraph.c (cgraph_create_edge): Same.
3612         (cgraph_inline_failed_string): New function.
3613         * cgraph.h (cgraph_inline_failed_t): New enum type.
3614         (cgraph_inline_failed_string): New prototype.
3615         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3616         char pointer to cgraph_inline_failed_t.
3617         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3618         (cgraph_default_inline_p): Ditto.
3619         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3620         to cgraph_inline_failed_t pointer.
3621         * cif-code.def: New file.
3622         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3623         reason string.
3624         (cgraph_check_inline_limits): Change type of REASON to pointer to
3625         cgraph_inline_failed_t.  Replace reason strings with enums.
3626         (cgraph_default_inline_p): Ditto.
3627         (cgraph_recursive_inlining_p): Ditto.
3628         (update_caller_keys): Change type of FAILED_REASON to
3629         cgraph_inline_failed_t.
3630         (cgraph_set_inline_failed): Change type of REASON to pointer to
3631         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3632         convert enums to strings for text output.
3633         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3634         to be of type cgraph_inline_failed_t.  Replace reason strings with
3635         enums.  Call cgraph_inline_failed_string to covert enums
3636         to strings for text output.
3637         (cgraph_decide_inlining): Replace reason strings with enums.
3638         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3639         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3640         for text output.
3641         * tree-inline.c (expand_call_inline): Change type of REASON
3642         to cgraph_inline_failed_t.  Replace reason strings with enums.
3643         Call cgraph_inline_failed_string for text output.
3644         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3645         (cgraph.o): Ditto.
3646
3647 2009-03-28  Jan Hubicka  <jh@suse.cz>
3648
3649         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3650         cgraph_clone_node): Remove master clone handling.
3651         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3652         * cgraph.h (master_clone): Remove.
3653         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3654         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3655         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3656
3657 2009-03-28  Jan Hubicka  <jh@suse.cz>
3658
3659         * cgraph.c (cgraph_function_body_availability): Functions declared
3660         inline are always safe to assume that it is not going to be replaced.
3661
3662 2009-03-28  Richard Guenther  <rguenther@suse.de>
3663
3664         PR tree-optimization/38513
3665         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3666         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3667         EXC_PTR_EXPR and FILTER_EXPR.
3668         (get_ref_from_reference_ops): Likewise.
3669
3670 2009-03-28  Richard Guenther  <rguenther@suse.de>
3671
3672         PR tree-optimization/38968
3673         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3674         Use FLOOR_MOD_EXPR to compute misalignment.
3675
3676 2009-03-28  Richard Guenther  <rguenther@suse.de>
3677
3678         PR tree-optimization/37795
3679         * tree.h (combine_comparisons): Declare.
3680         * fold-const.c (combine_comparisons): Export.
3681         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3682         comparisons.
3683         (ifcombine_iforif): Use combine_comparisons.
3684
3685 2009-03-28  Jan Hubicka  <jh@suse.cz>
3686
3687         * tree-eh.c (inlinable_call_p): New function.
3688         (make_eh_edges): Use it.
3689         (verify_eh_edges): Use it.
3690         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3691         * except.c (reachable_next_level): Add inlinable_function argument
3692         (sjlj_find_directly_reachable_regions): Update.
3693         (add_reachable_handler): Do not set saw_any_handlers.
3694         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3695         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3696         Add new inlinable call parameter.
3697         (can_throw_internal, can_throw_external): Update.
3698         * except.h (can_throw_internal_1, can_throw_external_1,
3699         foreach_reachable_handler): Update declaration.
3700
3701 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3702
3703         * config/arm/t-arm-coff, config/h8300/coff.h,
3704         config/i386/i386-aout.h, config/i386/i386-coff.h,
3705         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3706         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3707         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3708         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3709         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3710         sys-types.h: Remove.
3711         * Makefile.in: Remove protoize and fixproto support and references
3712         in comments.
3713         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3714         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3715         Remove.
3716         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3717         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3718         unprotoize$(exeext).
3719         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3720         (.PHONY): Don't depend on proto.
3721         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3722         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3723         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3724         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3725         build/gen-protos.o, build/scan.o, xsys-protos.h,
3726         build/fix-header$(build_exeext), build/fix-header.o,
3727         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3728         stmp-install-fixproto): Remove.
3729         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3730         SYSCALLS.c or fixproto files.
3731         (install-common): Don't install protoize.
3732         (install-headers-tar, install-headers-cpio, install-headers-cp):
3733         Don't depend on $(STMP_FIXPROTO).
3734         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3735         install fixproto files or write out fixproto settings.
3736         (uninstall): Don't uninstall protoize.
3737         * config.gcc (use_fixproto): Remove.
3738         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3739         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3740         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3741         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3742         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3743         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3744         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3745         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3746         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3747         * config/t-vxworks (STMP_FIXPROTO): Remove.
3748         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3749         STMP_FIXPROTO): Remove.
3750         * config.in, configure: Regenerate.
3751         * crtstuff.c (gid_t, uid_t): Don't undefine.
3752         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3753         (arm-*-coff, arm-*-aout: Remove target entries.
3754         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3755         Remove mention of AIX 4.1.
3756         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3757         * doc/invoke.texi (Running Protoize): Remove.
3758         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3759         (Protoize Caveats): Remove.
3760         * tsystem.h: Update comments on headers assumed to exist.
3761
3762 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3763
3764         * genautomata.c: Add a new year to the copyright.  Add a new
3765         reference.
3766         (struct insn_reserv_decl): Add comments for member bypass_list.
3767         (find_bypass): Remove.
3768         (insert_bypass): New.
3769         (process_decls): Use insert_bypass.
3770         (output_internal_insn_latency_func): Output all bypasses with the
3771         same input insn in one switch case.
3772
3773         * rtl.def (define_bypass): Describe bypass choice.
3774         * doc/md.texi (define_bypass): Ditto.
3775
3776 2009-03-27  Richard Guenther  <rguenther@suse.de>
3777
3778         * gimplify.c (mark_addressable): Export.
3779         * tree-flow.h (mark_addressable): Declare.
3780         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3781         * tree-ssa.c (verify_phi_args): Verify that address taken
3782         variables have TREE_ADDRESSABLE set.
3783
3784 2009-03-27  Richard Guenther  <rguenther@suse.de>
3785
3786         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3787         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3788         Do not mark decls TREE_ADDRESSABLE.
3789         (build_fold_addr_expr): Adjust.
3790         (fold_addr_expr): Remove.
3791         (fold_unary): Use build_fold_addr_expr.
3792         (fold_comparison): Likewise.
3793         (split_address_to_core_and_offset): Likewise.
3794         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3795         TREE_ADDRESSABLE.
3796         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3797         (gimplify_modify_expr_to_memcpy): Mark source and destination
3798         addressable.
3799         * omp-low.c (create_omp_child_function): Mark the object decl
3800         TREE_ADDRESSABLE.
3801         (lower_rec_input_clauses): Mark the var we take the address of
3802         TREE_ADDRESSABLE.
3803         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3804
3805 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3806
3807         PR middle-end/39315
3808         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3809         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3810
3811 2009-03-27  Richard Guenther  <rguenther@suse.de>
3812
3813         PR tree-optimization/39120
3814         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3815         constraints.
3816         (handle_lhs_call): Process return constraints.  Add escape
3817         constraints if necessary.
3818         (handle_const_call): Fill out return constraints.  Make nested
3819         case more precise.  Avoid consttmp if possible.
3820         (handle_pure_call): Fill out return constraints.  Avoid
3821         callused if possible.
3822         (find_func_aliases): Simplify call handling.
3823
3824 2009-03-27  Richard Guenther  <rguenther@suse.de>
3825
3826         PR tree-optimization/39120
3827         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3828         as a representative.
3829         (solve_graph): Do propagate CALLUSED.
3830         (handle_pure_call): Use a scalar constraint from CALLUSED for
3831         the return value.
3832         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3833         solutions.
3834
3835 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3836
3837         PR c/39323
3838         * c-common.c (handle_aligned_attribute): Properly check alignment
3839         overflow.  Use (1U << i) instead of (1 << i).
3840
3841         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3842
3843         * expr.h (get_mem_align_offset): Updated.
3844
3845         * tree.h (tree_decl_common): Change align to "unsigned int" and
3846         move it before pointer_alias_set.
3847
3848 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3849             Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR target/38034
3852         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3853         gr_register_operand with gr_reg_or_0_operand.
3854         (cmpxchg_rel_di): Likewise.
3855         (sync_lock_test_and_set<mode>): Likewise.
3856
3857 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3858
3859         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3860         (true_regnum): Likewise.
3861
3862         * rtlanal.c (subreg_info): Moved to ...
3863         * rtl.h (subreg_info): Here.  New.
3864         (subreg_get_info): New.
3865
3866         * rtlanal.c (subreg_get_info): Make it extern.
3867
3868 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3869
3870         PR target/39472
3871         * config/i386/i386.c (ix86_abi): New.
3872         (override_options): Handle -mabi=.
3873         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3874         (ix86_call_abi_override): Likewise.
3875         (init_cumulative_args): Likewise.
3876         (function_arg_advance): Likewise.
3877         (function_arg_64): Likewise.
3878         (function_arg): Likewise.
3879         (ix86_pass_by_reference): Likewise.
3880         (ix86_function_value_regno_p): Likewise.
3881         (ix86_build_builtin_va_list_abi): Likewise.
3882         (setup_incoming_varargs_64): Likewise.
3883         (is_va_list_char_pointer): Likewise.
3884         (ix86_init_machine_status): Likewise.
3885         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3886         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3887         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3888         (ix86_function_abi): Make it static and return enum calling_abi.
3889         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3890         with ix86_abi.
3891         (ix86_fn_abi_va_list): Updated.
3892
3893         * config/i386/i386.h (ix86_abi): New.
3894         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3895         (CONDITIONAL_REGISTER_USAGE): Likewise.
3896         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3897         (machine_function): Likewise.
3898
3899         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3900         with ix86_abi.
3901         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3902         (STACK_BOUNDARY): Likewise.
3903         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3904
3905         * config/i386/i386.opt (mabi=): New.
3906
3907         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3908         return enum calling_abi.
3909         (ix86_function_type_abi): Likewise.
3910         (ix86_function_abi): Removed.
3911
3912         * doc/invoke.texi: Document -mabi= option for x86.
3913
3914 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3915
3916         * builtins.c (real_dconstp): Delete.
3917         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3918
3919 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3920             Jakub Jelinek  <jakub@redhat.com>
3921
3922         PR debug/37959
3923         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3924         (gen_subprogram_die): When a function is explicit, generate the
3925         DW_AT_explicit attribute.
3926         * langhooks.h (struct lang_hooks_for_decls): Add
3927         function_decl_explicit_p langhook.
3928         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3929         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3930
3931 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3932
3933         * builtins.c (fold_builtin_memory_op): Optimize memmove
3934         into memcpy if we can prove source and destination don't overlap.
3935
3936         * tree-inline.c: Include gt-tree-inline.h.
3937         (clone_fn_id_num): New variable.
3938         (clone_function_name): New function.
3939         (tree_function_versioning): Use it.
3940         * Makefile.in (GTFILES): Add tree-inline.c.
3941
3942 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3943
3944         * BASE-VER: Change to 4.5.0.
3945
3946 2009-03-27  Xinliang David Li  <davidxl@google.com>
3947
3948         PR tree-optimization/39557
3949         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3950
3951 2009-03-27  Xinliang David Li  <davidxl@google.com>
3952
3953         PR tree-optimization/39548
3954         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3955         candidate check.
3956
3957 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3958
3959         * c-common.c (pointer_int_sum): Use %wd on return from
3960         tree_low_cst.
3961
3962 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3963
3964         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3965         on return from tree_low_cst.
3966
3967 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3968
3969         PR c++/36799
3970         * ginclude/stdarg.h (va_copy): Define also for
3971         __GXX_EXPERIMENTAL_CXX0X__.
3972
3973 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3974
3975         PR c++/35652
3976         * builtins.h (c_strlen): Do not warn here.
3977         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3978         * c-common.c (pointer_int_sum): Take an explicit location.
3979         Warn about offsets out of bounds.
3980         * c-common.h (pointer_int_sum): Adjust declaration.
3981
3982 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3983
3984         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
3985         markup glitch.
3986
3987 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR c++/39554
3990         * opts.c (warn_if_disallowed_function_p): Don't assume
3991         get_callee_fndecl must return non-NULL.
3992
3993 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
3994
3995         PR rtl-optimization/39522
3996         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
3997         when reg_reloaded_valid is set.
3998
3999 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4000
4001         * config/spu/divv2df3.c: New file.
4002         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4003         (DPBIT_FUNCS): Filter out _div_df.
4004
4005 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4006
4007         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4008         a jump insn, count that jump in the distance to the loop start.
4009
4010 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4011
4012         PR target/39523
4013         * config/sh/sh.c (calc_live_regs): Fix condition for global
4014         registers except PIC_OFFSET_TABLE_REGNUM.
4015
4016 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4017
4018         PR/39518
4019         * doc/invoke.texi (-mconsole): New.
4020         (-mcygwin): New.
4021         (-mno-cygwin): New.
4022         (-mdll): New.
4023         (-mnop-fun-dllimport): New.
4024         (-mthread): New.
4025         (-mwin32): New.
4026         (-mwindows): New.
4027         (sub section "i386 and x86-64 Windows Options"): New.
4028
4029 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4030
4031         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4032         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4033
4034 2009-03-25  Richard Guenther  <rguenther@suse.de>
4035
4036         PR middle-end/39497
4037         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4038         of -Wno-error.
4039
4040 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4041
4042         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4043         neither of haifa/selective schedulers are working.
4044
4045 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4046
4047         * doc/invoke.texi (Debugging Options): Fix description of
4048         -fno-merge-debug-strings.
4049
4050 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4051
4052         * config/cris/libgcc.ver: New version-script.
4053         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4054
4055         * configure.ac <GAS features, nop mnemonic>: Add pattern
4056         crisv32-*-* for "nop".
4057         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4058         * configure: Regenerate.
4059
4060 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4061
4062         PR tree-optimization/39529
4063         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4064         mark_sym_for_renaming for the tag copied to the new vector
4065         pointer.
4066
4067 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4068
4069         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4070         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4071         EXTRA_SPEC_FUNCTIONS.
4072         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4073         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4074         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4075         -march and -mtune options.
4076
4077 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4078
4079         * config/m68k/t-rtems: Add m5329 multilib.
4080
4081 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4082             Jakub Jelinek  <jakub@redhat.com>
4083
4084         PR debug/39524
4085         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4086         nodes.
4087
4088 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4089
4090         PR c/39495
4091         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4092         instead of c_parser_expression_conv, if original_code isn't one of the
4093         4 allowed comparison codes, fail.
4094
4095 2009-03-23  Richard Guenther  <rguenther@suse.de>
4096
4097         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4098         * tree.h (struct tree_type): Likewise.
4099         * reload.h (struct insn_chain): Likewise.
4100         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4101         * function.h (struct function): Likewise.
4102         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4103
4104 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4105
4106         PR tree-optimization/39516
4107         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4108
4109 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4110
4111         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4112         should be set true if BITS_PER_WORD of target is bigger than 32
4113
4114 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4115
4116         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4117         Translate -B-options to -rpath-link.  Correct existing
4118         rpath-link and conditionalize on !nostdlib.
4119
4120 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4121
4122         * doc/extend.texi (Function Attributes, Variable Attributes):
4123         Fix typos.
4124         * doc/invoke.texi (Debugging Options, Optimize Options)
4125         (i386 and x86-64 Options, MCore Options): Likewise.
4126
4127 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4128
4129         PR debug/37890
4130         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4131         it for block local namespace aliases.
4132         (gen_decl_die): Pass context_die to gen_namespace_die.
4133
4134 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4135
4136         PR c/39495
4137         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4138         minimum or maximum value.
4139
4140 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4141
4142         * reginfo.c (globalize_reg): Recompute derived reg sets.
4143
4144 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4145
4146         PR target/39063
4147         * libgcc2.c (mprotect): Do not use signed arguments for
4148         VirtualProtect, use DWORD arguments.  Also fix the 'may
4149         be used uninitialized' warning for the np variable.
4150
4151 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4152
4153         PR target/39496
4154         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4155         functions using regparm calling conventions when not optimizing.
4156         (ix86_function_sseregparm): Similarly for sseregparm calling
4157         conventions.
4158
4159 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4160
4161         PR middle-end/39500
4162         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4163         dependence if the first conflict is after niter iterations.
4164
4165 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4166
4167         PR middle-end/38609
4168         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4169         functions with dynamic stack-pointer adjustments.
4170
4171 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4172
4173         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4174         option; change to -msdata=data.
4175
4176 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4177
4178         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4179         and -fopenmp.
4180
4181 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4182
4183         PR target/35180
4184         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4185
4186 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4187
4188         * doc/invoke.texi (Code Gen Options): Expand discussion of
4189         -fno-common.
4190
4191 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4192
4193         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4194         * matrix-reorg.c (struct matrix_info): Likewise.
4195         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4196         * rtl.h (struct mem_attrs): Likewise.
4197         * df.h (struct df): Likewise.
4198         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4199         * ira-int.h (struct ira_allocno): Likewise.
4200         * df-scan.c (struct df_collection_rec): Likewise.
4201         * ira.c (struct equivalence): Likewise.
4202         * function.c (struct temp_slot): Likewise.
4203         * cfgloop.h (struct loop): Likewise.
4204
4205         PR debug/39485
4206         * function.c (use_register_for_decl): When not optimizing, disregard
4207         register keyword for variables with types containing methods.
4208
4209 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4210
4211         PR middle-end/39447
4212         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4213         (is_simple_operand): Call contains_component_ref_p before calling data
4214         reference analysis that would fail on COMPONENT_REFs.
4215
4216         * tree-vrp.c (search_for_addr_array): Fix formatting.
4217
4218 2009-03-18  Richard Guenther  <rguenther@suse.de>
4219
4220         * tree-vect-transform.c (vect_loop_versioning): Fold the
4221         generated comparisons.
4222         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4223         (slpeel_tree_peel_loop_to_edge): Likewise.
4224
4225 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4226
4227         PR middle-end/37805
4228         * opts.c (print_specific_help): In addition to `undocumented',
4229         accept `separate' and `joined' flags if passed alone.  Describe
4230         output by the first matched one of those.
4231         (common_handle_option): Skip over empty strings.
4232         * gcc.c (display_help): Fix help string for `--help='.
4233         * doc/invoke.texi (Option Summary, Overall Options): With
4234         `--help=', classes and qualifiers can both be repeated, but
4235         only the latter can be negated.  One should not pass only
4236         negated qualifiers.  Fix markup and examples.
4237
4238         Revert
4239         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4240         PR middle-end/37805
4241         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4242         and -fhelp=separate.
4243
4244 2009-03-17  Jing Yu  <jingyu@google.com>
4245
4246         PR middle-end/39378
4247         * function.h (struct rtl_data): Move is_thunk from here...
4248         (struct function): ...to here.
4249         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4250         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4251         cfun.
4252         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4253         cfun.
4254         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4255         (alpha_output_function_end_prologue): Likewise.
4256         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4257         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4258         (rs6000_output_function_epilogue): Likewise.
4259         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4260
4261 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4262
4263         PR target/39482
4264         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4265         from different units in a single alternative.
4266         (*truncdfsf_i387): Ditto.
4267         (*truncxfsf2_mixed): Ditto.
4268         (*truncxfdf2_mixed): Ditto.
4269
4270 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4271
4272         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4273         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4274
4275         PR debug/39474
4276         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4277         unused non-artificial variables when not optimizing.
4278
4279         PR debug/39471
4280         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4281         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4282         NAMESPACE_DECL in its DECL_INITIAL.
4283
4284         PR middle-end/39443
4285         * optabs.c (set_user_assembler_libfunc): New function.
4286         * expr.h (set_user_assembler_libfunc): New prototype.
4287         * c-common.c: Include libfuncs.h.
4288         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4289         for memcmp, memset, memcpy, memmove and abort.
4290         * Makefile.in (c-common.o): Depend on libfuncs.h.
4291
4292         PR debug/39412
4293         * dwarf2out.c (gen_inlined_enumeration_type_die,
4294         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4295         gen_tagged_type_instantiation_die): Removed.
4296         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4297         do nothing.
4298
4299 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4300
4301         PR testsuite/38526
4302         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4303         its use.
4304         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4305         (check-parallel-%): Ditto.
4306         (check-consistency): Ditto.
4307
4308 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4309
4310         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4311         local variable rhs by NULL_TREE.
4312
4313 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4314
4315         PR target/39477
4316         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4317
4318 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4319
4320         PR target/39476
4321         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4322
4323 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4324
4325         PR target/39473
4326         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4327         for ms->sysv ABI calls only in 64bit mode.
4328
4329         * config/i386/i386.md (untyped_call): Support 32bit.
4330
4331 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4332
4333         * doc/extend.texi: Replace x86_65 with x86_64.
4334
4335 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4336
4337         PR tree-optimization/39455
4338         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4339         mismatches for POINTER_TYPE_P (type).
4340         (number_of_iterations_le): Likewise.
4341
4342 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4343
4344         * config/picochip/picochip.c: Removed profiling support.
4345         * config/picochip/picochip.md: Removed profiling instruction.
4346         * config/picochip/picochip.h: Removed profiling builtin.
4347
4348 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4349
4350         * doc/install.texi (--with-host-libstdcxx): Document.
4351
4352 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4353
4354         PR target/34299
4355         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4356         generate a warning if the function name does not begin with
4357         "__vector" and the function has either the 'signal' or 'interrupt'
4358         attribute, from here to ...
4359         (avr_declare_function_name): ...here. New function.
4360         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4361         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4362
4363 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4364
4365         PR bootstrap/39454
4366         * cse.c (fold_rtx): Don't modify original const_arg1 when
4367         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4368         separate variable instead.
4369         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4370         from out of range shift counts.
4371         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4372
4373 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4374
4375         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4376         diagnostic.h with $(DIAGNOSTIC_H).
4377
4378 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4379
4380         PR target/39431
4381         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4382         predicate.
4383         * config/i386/sync.md (sync_compare_and_swap<mode>,
4384         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4385         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4386         into a register.
4387         (sync_double_compare_and_swapdi_pic,
4388         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4389         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4390
4391 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4392
4393         PR target/39445
4394         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4395
4396 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4397
4398         PR target/39327
4399         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4400         (avx_addsubv4df3): Likewise.
4401         (*avx_addsubv4sf3): Likewise.
4402         (sse3_addsubv4sf3): Likewise.
4403
4404 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4405
4406         PR target/38824
4407         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4408
4409 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4410
4411         PR debug/39432
4412         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4413         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4414         registers for allocnos created from user-defined variables.
4415
4416 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4417
4418         PR target/39181
4419         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4420         of non-integer mode as well.
4421
4422 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4423
4424         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4425         for functions for which the parameter types are unknown.
4426
4427 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4428
4429         PR target/39137
4430         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4431         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4432         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4433         * config/i386/i386.c (ix86_local_alignment): For
4434         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4435         long long variables on the stack to avoid dynamic realignment.
4436         Allow the first argument to be a decl rather than type.
4437         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4438
4439 2009-03-11  Nick Clifton  <nickc@redhat.com>
4440
4441         PR target/5362
4442         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4443         options.
4444         Add description to mno-lsim option.
4445         * config/mcore/mcore.h: Remove comment about deprecated m4align
4446         option.
4447         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4448         * doc/invoke.texi: Add description of mno-lsim and
4449         mstack-increment options.
4450
4451         * config/fr30/fr30.opt: Document the -mno-lsim option.
4452         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4453         and -mno-lsim options.
4454
4455 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4456
4457         * fold-const.c (fold_comparison): Only call fold_inf_compare
4458         if the mode supports infinities.
4459
4460 2009-03-11  Jason Merrill  <jason@redhat.com>
4461
4462         PR debug/39086
4463         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4464         end already did.  Notice GIMPLE_CALL modifications of the result.
4465         Don't copy debug information from an ignored decl or a decl from
4466         another function.
4467
4468 2009-03-10  Richard Guenther  <rguenther@suse.de>
4469             Nathan Froyd  <froydnj@codesourcery.com>
4470
4471         PR middle-end/37850
4472         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4473         (__divMODE3): Likewise.
4474
4475 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR tree-optimization/39394
4478         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4479         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4480
4481 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4482
4483         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4484         inline asms for register asm ("") declarations.
4485
4486 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4487
4488         * fold-const.c (fold_unary): Fix comment.
4489
4490 2009-03-07  Jan Hubicka  <jh@suse.cz>
4491
4492         PR target/39361
4493         * tree-inline.c (setup_one_parameter): Do replacement of const
4494         argument by constant in SSA form.
4495
4496 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4497
4498         PR middle-end/38028
4499         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4500         determine alignment passed to assign_stack_local.
4501         (assign_parms_unsplit_complex): Likewise.
4502         * except.c (sjlj_build_landing_pads): Likewise.
4503
4504 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4505
4506         PR middle-end/39360
4507         * tree-flow.h (add_referenced_var): Return bool instead of void.
4508         * tree-dfa.c (add_referenced_var): Return result of
4509         referenced_var_check_and_insert call.
4510         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4511         of referenced_var_check_and_insert.
4512
4513         PR debug/39372
4514         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4515         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4516         DIE, don't emit it if abstract origin already has it.
4517         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4518         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4519
4520 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4521
4522         * genpreds.c (needs_variable): Fix parentheses at variable name
4523         detection.
4524         (write_tm_constrs_h): Indent generated code.
4525
4526 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4527
4528         * doc/extend.texi (Function Attributes): Add documentation
4529         for isr attributes.
4530
4531 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4532
4533         PR debug/39387
4534         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4535         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4536
4537 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4538
4539         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4540         the loop as bad.
4541
4542 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4543
4544         PR debug/39379
4545         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4546         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4547
4548 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4549
4550         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4551         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4552         constants instead of magic numbers.
4553         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4554         (QI_REG_P): Ditto.
4555         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4556         (x86_64_ms_abi_int_parameter_registers): Ditto.
4557         (x86_64_int_return_registers): Ditto.
4558         (ix86_maybe_switch_abi): Ditto.
4559         (ix86_expand_call): Ditto for clobbered_registers array.
4560         (ix86_hard_regno_mode_ok): Ditto.
4561         (x86_extended_QIreg_mentioned_p): Ditto.
4562
4563 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4564
4565         PR tree-optimization/39349
4566         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4567
4568         * combine.c (gen_lowpart_for_combine): Use omode when generating
4569         clobber.
4570
4571 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4572
4573         PR rtl-optimization/39235
4574         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4575
4576 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4577
4578         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4579
4580 2009-03-04  Richard Guenther  <rguenther@suse.de>
4581
4582         PR tree-optimization/39362
4583         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4584         that occur in abnormal PHIs should be varying.
4585
4586 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4587
4588         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4589         Extend comments.
4590         (simple_iv):  Take loop as an argument instead of statement.
4591         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4592         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4593         to simple_iv.
4594         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4595         Ditto.
4596         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4597         * matrix-reorg.c (analyze_transpose): Ditto.
4598         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4599         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4600         * tree-predcom.c (ref_at_iteration): Ditto.
4601         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4602
4603 2009-03-04  Richard Guenther  <rguenther@suse.de>
4604
4605         PR tree-optimization/39358
4606         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4607         escaped_id and callused_id.
4608         (solve_graph): Likewise.
4609
4610 2009-03-04  Richard Guenther  <rguenther@suse.de>
4611
4612         PR tree-optimization/39339
4613         * tree-sra.c (try_instantiate_multiple_fields): Make it
4614         no longer ICE on the above.
4615
4616 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4617
4618         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4619         that fits within Pmode.
4620
4621 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4622
4623         PR middle-end/10109
4624         * tm.texi (LIBCALL_VALUE): Update description.
4625
4626 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4627
4628         PR middle-end/34443
4629         * doc/extend.texi (section): Update description.
4630
4631 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4632
4633         PR middle-end/39345
4634         * tree-inline.c (remapped_type): New.
4635         (can_be_nonlocal): Call remapped_type instead of remap_type.
4636
4637 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4638
4639         PR fortran/39354
4640         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4641         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4642
4643 2009-03-03  Richard Guenther  <rguenther@suse.de>
4644
4645         PR middle-end/39272
4646         * tree.c (tree_nonartificial_location): New function.
4647         * tree.h (tree_nonartificial_location): Declare.
4648         * builtins.c (expand_builtin_memory_chk): Provide location
4649         of the call location for artificial function pieces.
4650         (maybe_emit_chk_warning): Likewise.
4651         (maybe_emit_sprintf_chk_warning): Likewise.
4652         (maybe_emit_free_warning): Likewise.
4653         * expr.c (expand_expr_real_1): Likewise.
4654
4655 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4656
4657         PR tree-optimization/39343
4658         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4659         COMPONENT_REF t has ARRAY_TYPE.
4660
4661 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4662
4663         PR middle-end/39335
4664         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4665         when the type precision of the induction variable should be
4666         larger than the type precision of nit.
4667         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4668         * graphite.c (graphite_loop_normal_form): Same.
4669         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4670
4671 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4672
4673         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4674         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4675         numbers to describe clobbered registers.
4676         (*call_value_0_rex64_ms_sysv): Ditto.
4677         * config/i386/mmx.md (mmx_emms): Ditto.
4678         (mmx_femms): Ditto.
4679
4680 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4681
4682         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4683         of ABI_64.
4684
4685 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4686
4687         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4688         (spu_section_type_flags): New function.
4689
4690 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4691
4692         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4693         reg_class_contents of FLOAT_REGS into a temporary.
4694
4695 2009-03-02  Richard Guenther  <rguenther@suse.de>
4696             Ira Rosen  <irar@il.ibm.com>
4697
4698         PR tree-optimization/39318
4699         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4700         information to the vectorized statement.
4701
4702 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4703
4704         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4705         variable.  Use defined names instead of magic constants for REX SSE
4706         registers.
4707
4708 2009-03-01  Richard Guenther  <rguenther@suse.de>
4709
4710         PR tree-optimization/39331
4711         * omp-low.c (lower_send_shared_vars): Do not receive new
4712         values for the reference of DECL_BY_REFERENCE parms or results.
4713
4714 2009-03-01  Jan Hubicka  <jh@suse.cz>
4715
4716         PR debug/39267
4717         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4718         BLOCK_NONLOCALIZED_VAR): New macros.
4719         (tree_block): Add nonlocalized_vars.
4720         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4721         gen_decl_die): Add origin argument.  Allow generation of die with
4722         origin at hand only.
4723         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4724         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4725         of gen_*.
4726         (gen_block_die): Fix checking for unused blocks.
4727         (process_scope_var): Break out from .... ; work with origins only.
4728         (decls_for_scope) ... here; process nonlocalized list.
4729         (dwarf2out_ignore_block): Look for nonlocalized vars.
4730         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4731         vars.
4732         (dump_scope_block): Dump them.
4733         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4734         (remap_block): Likewise.
4735         (can_be_nonlocal): New predicate.
4736         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4737
4738 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4739
4740         * configure: Regenerate.
4741
4742 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4743
4744         * optc-gen.awk: No need to duplicate option flags twice.
4745         Reuse help texts for duplicate options which do not have any.
4746
4747         * gcc.c (display_help): Document --version.
4748
4749         * gcc.c (main): If print_help_list and verbose_flag, ensure
4750         driver output comes before subprocess output.
4751
4752         * optc-gen.awk: Assign all remaining fields to help string,
4753         space-separated, for multi-line help in *.opt.
4754
4755         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4756         -Wno-pedantic-ms-format is for MinGW targets only.
4757
4758         * doc/options.texi (Option file format): Fix bad indentation,
4759         restoring dropped sentence.
4760
4761 2009-02-28  Jan Hubicka  <jh@suse.cz>
4762
4763         * tree-inline.c (tree_function_versioning): Output debug info.
4764
4765 2009-02-28  Jan Hubicka  <jh@suse.cz>
4766
4767         PR debug/39267
4768         * tree-inline.c (setup_one_parameter): Do not copy propagate
4769         arguments when not optimizing.
4770
4771 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4772
4773         PR target/39327
4774         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4775         (avx_addsubv4df3): Likewise.
4776         (*avx_addsubv4sf3): Likewise.
4777         (sse3_addsubv4sf3): Likewise.
4778         (*avx_addsubv2df3): Likewise.
4779         (sse3_addsubv2df3): Likewise.
4780         (avx_unpckhps256): Correct item selectors.
4781         (avx_unpcklps256): Likewise.
4782         (avx_unpckhpd256): Likewise.
4783         (avx_unpcklpd256): Likewise.
4784
4785 2009-02-28  Jan Hubicka  <jh@suse.cz>
4786
4787         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4788         static vars.
4789         (copy_arguments_for_versioning): If var is declared don't declare it.
4790         (tree_function_versioning): First setup substitutions and then copy
4791         args.
4792
4793 2009-02-27  Jan Hubicka  <jh@suse.cz>
4794
4795         PR debug/39267
4796         * cgraph.h (varpool_output_debug_info): Remove.
4797         * cgraphunit.c (varpool_output_debug_info): Remove.
4798         * dwarf2out.c (deferred_locations_struct): New struct
4799         (deferred_locations): New type.
4800         (deferred_locations_list): New static var.
4801         (deffer_location): New function.
4802         (gen_variable_die): Use it.
4803         (decls_for_scope): Output info on local static vars.
4804         (dwarf2out_finish): Process deferred locations.
4805         * varpool.c (varpool_output_debug_info): Remove.
4806
4807 2009-02-27  Jan Hubicka  <jh@suse.cz>
4808
4809         PR debug/39267
4810         * tree.h (TREE_PROTECTED): Fix comment.
4811         (BLOCK_HANDLER_BLOCK): Remove.
4812         (struct tree_block): Remove handler_block add body_block.
4813         (inlined_function_outer_scope_p): New.
4814         (is_body_block): Remove.
4815         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4816         * dwarf2out.c (is_inlined_entry_point): Remove.
4817         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4818         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4819         code.
4820         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4821         * gimplify.c (gimplify_expr): Gimplify body blocks.
4822         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4823         block with multiple subblocks.
4824         (dump_scope_block): Prettier output; dump more flags and info.
4825         (dump_scope_blocks): New.
4826         (remove_unused_locals): Use dump_scope_blocks.
4827         * tree-flow.h (dump_scope_blocks): Declare.
4828         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4829         * stmt.c (is_body_block): Remove.
4830         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4831         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4832
4833 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4834
4835         PR middle-end/39308
4836         * graphite.c (graphite_loop_normal_form): Do not call 
4837         number_of_iterations_exit from a gcc_assert.
4838
4839 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4840
4841         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4842         jumps if COND is NULL.
4843         (find_cond_jump): New function.
4844         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4845         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4846
4847 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4848
4849         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4850         force_const_mem returns NULL_RTX.
4851
4852 2009-02-26  Jan Hubicka  <jh@suse.cz>
4853
4854         PR debug/39267
4855         * cgraph.h (varpool_output_debug_info): Remove.
4856         * cgraphunit.c (varpool_output_debug_info): Remove.
4857         * dwarf2out.c (deferred_locations_struct): New struct
4858         (deferred_locations): New type.
4859         (deferred_locations_list): New static var.
4860         (deffer_location): New function.
4861         (gen_variable_die): Use it.
4862         (decls_for_scope): Output info on local static vars.
4863         (dwarf2out_finish): Process deferred locations.
4864         * varpool.c (varpool_output_debug_info): Remove.
4865
4866 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4867
4868         PR rtl-optimization/39241
4869         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4870         to subreg_offset_representable_p.
4871
4872 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4873
4874         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4875         execute function prototype.  Get f and nregs from max_reg_num
4876         and get_insns.  Remove the first backward pass as it's dead,
4877         guard the forward pass by flag_expensive_optimizations.
4878         (rest_of_handle_regmove): Delete.
4879         (pass_regmove): Replace it with regmove_optimize.
4880
4881 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4882
4883         PR tree-optimization/39259
4884         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4885         calls_alloca function flags.
4886         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4887         calls are detected.
4888
4889 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4890
4891         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4892         flags_set_1_rtx, flags_set_1_set): Delete.
4893         (regmove_optimize): Do not call mark_flags_life_zones.
4894
4895 2009-02-24  Julian Brown  <julian@codesourcery.com>
4896
4897         PR target/35965
4898         * config/arm/arm.c (require_pic_register): Only set
4899         cfun->machine->pic_reg once per function.
4900
4901 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4902
4903         * doc/invoke.texi (Link Options): Document an easier way to pass
4904         options that take arguments to the GNU linker using -Xlinker and -Wl.
4905
4906 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4907
4908         PR target/33785
4909         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4910
4911 2009-02-24  Richard Guenther  <rguenther@suse.de>
4912
4913         PR debug/39285
4914         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4915
4916 2009-02-24  Richard Guenther  <rguenther@suse.de>
4917             Zdenek Dvorak  <ook@ucw.cz>
4918
4919         PR tree-optimization/39233
4920         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4921         from converting them to a generic type.
4922
4923 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4924
4925         PR tree-optimization/39260
4926         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4927         contains a condition with a real type.
4928         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4929
4930 2009-02-23  Jason Merrill  <jason@redhat.com>
4931
4932         PR c++/38880
4933         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4934         narrowing_initializer_constant_valid_p.
4935         (narrowing_initializer_constant_valid_p): Don't return 
4936         null_pointer_node for adding a pointer to itself.
4937
4938 2009-02-23  Jan Hubicka  <jh@suse.cz>
4939
4940         PR c/12245
4941         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
4942         resizing.
4943
4944 2009-02-23  Jan Hubicka  <jh@suse.cz>
4945
4946         PR tree-optimization/37709
4947         * tree.c (block_ultimate_origin): Move here from dwarf2out.
4948         * tree.h (block_ultimate_origin): Declare.
4949         * dwarf2out.c (block_ultimate_origin): Move to tree.c
4950         * tree-ssa-live.c (remove_unused_scope_block_p):
4951         Eliminate blocks containig no instructions nor live variables nor
4952         nested blocks.
4953         (dump_scope_block): New function.
4954         (remove_unused_locals): Enable removal of dead blocks by default;
4955         enable dumping at TDF_DETAILS.
4956
4957 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4958
4959         * config/i386/i386.c (classify_argument): Don't allow COImode
4960         and OImode.
4961         (function_arg_advance_32): Don't allow OImode.
4962         (function_arg_32): Likewise.
4963         (function_value_32): Likewise.
4964         (return_in_memory_32): Likewise.
4965         (function_arg_64): Remove OImode comment.
4966
4967 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4968
4969         PR target/39261
4970         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4971         ix86_expand_vector_set for V4DImode in 64bit mode only.
4972         (ix86_expand_vector_init_one_var): Likewise.
4973
4974 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
4975
4976         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
4977
4978 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4979
4980         PR bootstrap/39257
4981         * loop-iv.c: Revert last change.
4982         * emit-rtl.c: Likewise.
4983
4984 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
4985
4986         PR target/39256
4987         * config/i386/i386.c (type_natural_mode): Remove an extra
4988         space in the warning message.
4989         (function_value_32): Handle 32-byte vector modes.
4990         (return_in_memory_32): Likewise.
4991
4992 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
4993
4994         * loop-iv.c (truncate_value): New function.
4995         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
4996         of lowpart_subreg.
4997         (lowpart_subreg): Move to...
4998         * emit-rtl.c: ...here.
4999
5000 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5001
5002         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5003         accidental and undocumented change at revision 140860.
5004
5005 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5006
5007         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5008         take gimple_seq * arguments.
5009         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5010         types_compatible_p langhook.
5011
5012 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5013             Joseph Myers  <joseph@codesourcery.com>
5014
5015         * config/arm/arm.c (arm_builtin_va_list): New function.
5016         (arm_expand_builtin_va_start): Likewise.
5017         (arm_gimplify_va_arg_expr): Likewise.
5018         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5019         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5020         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5021         (va_list_type): New variable.
5022         (arm_mangle_type): Mangle va_list_type appropriately.
5023
5024 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5025
5026         PR middle-end/39157
5027         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5028         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5029         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5030         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5031         parameter to 1000 for -O1 by default.
5032         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5033         parameter.
5034         * loop-invariant.c: Include params.h.
5035         (move_loop_invariants): Don't call move_single_loop_invariants on
5036         very large loops.
5037
5038 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5039
5040         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5041         offset when calculating bounds for indexing stack_usage_map.  Fixes
5042         a buffer overflow with certain target setups.
5043
5044 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5045
5046         PR target/39240
5047         * calls.c (expand_call): Clear try_tail_call if caller and callee
5048         disagree in promotion of function return value.
5049
5050 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5051
5052         PR target/39175
5053         * c-common.c (c_determine_visibility): If visibility changed and
5054         DECL_RTL has been already set, call make_decl_rtl to update symbol
5055         flags.
5056
5057 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5058
5059         PR c++/39188
5060         * varasm.c (assemble_variable): Don't check DECL_NAME when
5061         globalizing a variable.
5062
5063 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5064
5065         PR c/38483
5066         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5067         expression before any __builtin_trap call.
5068         * c-typeck.c (build_function_call): Convert and check function
5069         arguments before generating a call to a trap.  Evaluate the
5070         function arguments before the trap.
5071
5072 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5073
5074         PR target/39228
5075         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5076         (UNSPEC_FXAM_MEM): New unspec.
5077         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5078         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5079         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5080
5081 2009-02-19  Richard Guenther  <rguenther@suse.de>
5082
5083         PR tree-optimization/39207
5084         PR tree-optimization/39074
5085         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5086         storedanything_tree): New.
5087         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5088         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5089         (build_succ_graph): Add edges from STOREDANYTHING to all
5090         non-direct nodes.
5091         (init_base_vars): Initialize STOREDANYTHING.
5092         (compute_points_to_sets): Free substitution info after
5093         building the succ graph.
5094         (ipa_pta_execute): Likewise.
5095
5096         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5097         field.
5098         (do_ds_constraint): Do not add to special var or non-pointer
5099         field solutions.
5100         (type_could_have_pointers): Split out from ...
5101         (could_have_pointers): ... here.  For arrays use the element type.
5102         (create_variable_info_for): Initialize may_have_pointers.
5103         (new_var_info): Likewise.
5104         (handle_lhs_call): Make the HEAP variable unknown-sized.
5105         (intra_create_variable_infos): Use a type with pointers for
5106         PARM_NOALIAS, make it unknown-sized.
5107
5108 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5109
5110         PR target/39224
5111         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5112
5113 2009-02-18  Jason Merrill  <jason@redhat.com>
5114
5115         PR target/39179
5116         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5117         value if DECL_EXTERNAL.
5118         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5119         * target.h (gcc_target::binds_local_p): Clarify "module".
5120         * tree.h (TREE_PUBLIC): Clarify "module".
5121
5122 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5123
5124         PR target/38891
5125         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5126         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5127
5128 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5129
5130         PR target/39082
5131         * c.opt (Wabi): Support C and ObjC.
5132         (Wpsabi): New.
5133
5134         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5135
5136         * config/i386/i386.c (classify_argument): Warn once about the ABI
5137         change when passing union with long double.
5138
5139         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5140
5141 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5142
5143         PR c/35447
5144         * c-parser.c (c_parser_compound_statement): Always enter and leave
5145         a scope.
5146
5147 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5148
5149         PR target/34587
5150         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5151
5152 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5153
5154         PR tree-optimization/36922
5155         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5156         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5157         Likewise.
5158
5159 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5160
5161         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5162         to 0 for EABI64.
5163
5164 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5165
5166         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5167
5168 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5169
5170         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5171         tree sharing.
5172
5173 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5174             Richard Sandiford  <rdsandiford@googlemail.com>
5175
5176         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5177         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5178         (loongson_biadd): ...this.
5179
5180 2009-02-17  Richard Guenther  <rguenther@suse.de>
5181
5182         PR tree-optimization/39202
5183         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5184         a var make sure to follow existing collapses.
5185
5186 2009-02-17  Richard Guenther  <rguenther@suse.de>
5187
5188         PR middle-end/39214
5189         * langhooks.c (lhd_print_error_function): Check for NULL block.
5190
5191 2009-02-17  Richard Guenther  <rguenther@suse.de>
5192
5193         PR tree-optimization/39204
5194         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5195         of the PHI arg.
5196
5197 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5198
5199         * config/soft-fp/double.h: Update from glibc CVS.
5200
5201 2009-02-17  Richard Guenther  <rguenther@suse.de>
5202
5203         PR tree-optimization/39207
5204         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5205         strict-aliasing warnings for pointers pointing to NULL.
5206
5207 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5208
5209         PR c/35446
5210         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5211         skipping until next close brace.
5212
5213 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5214
5215         PR target/37049
5216         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5217         to function argument boundary.
5218
5219 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5220
5221         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5222         in the lea_add. Reload eventually constraints it properly.
5223         * config/picochip/constraints.md : Remove the target constraint
5224         "b", since it is not needed anymore.
5225
5226 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5227
5228         * gthr-dce.h: Uglify function parameter and local variable names.
5229         * gthr-gnat.h: Likewise.
5230         * gthr-mipssde.h: Likewise.
5231         * gthr-nks.h: Likewise.
5232         * gthr-posix95.h: Likewise.
5233         * gthr-posix.h: Likewise.
5234         * gthr-rtems.h: Likewise.
5235         * gthr-single.h: Likewise.
5236         * gthr-solaris.h: Likewise.
5237         * gthr-tpf.h: Likewise.
5238         * gthr-vxworks.h: Likewise.
5239         * gthr-win32.h: Likewise.
5240
5241 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5242
5243         PR target/39196
5244         * config/i386/i386.md: Restrict the new peephole2 to move
5245         between MMX/SSE registers.
5246
5247 2009-02-15  Richard Guenther  <rguenther@suse.de>
5248
5249         Revert
5250         2009-02-13  Richard Guenther  <rguenther@suse.de>
5251
5252         * configure.ac: Enable LFS.
5253         * configure: Re-generate.
5254         * config.in: Likewise.
5255
5256 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5257
5258         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5259         spu_srqwbyte, spu_srqwbytebc): Define.
5260         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5261         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5262         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5263         "shrqby_<mode>"): New insn-and-split patterns.
5264         * config/spu/spu.c (expand_builtin_args): Determine and return
5265         number of operands using spu_builtin_description data.
5266         (spu_expand_builtin_1): Use it.
5267
5268 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5269
5270         PR target/38056
5271         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5272         TARGET_CONST_GP.
5273
5274 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5275
5276         PR target/39149
5277         * config/i386/i386.c (override_options): Correct warning
5278         messages for -malign-loops, -malign-jumps and -malign-functions.
5279
5280 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5281
5282         PR target/39152
5283         * config/i386/i386.md: Restrict the new peephole2 to move
5284         between the general purpose registers.
5285
5286 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5287
5288         PR target/39162
5289         * config/i386/i386.c (type_natural_mode): Add a new argument.
5290         Return the original mode and warn ABI change if vector size is 32byte.
5291         (function_arg_advance): Updated.
5292         (function_arg): Likewise.
5293         (ix86_function_value): Likewise.
5294         (ix86_return_in_memory): Likewise.
5295         (ix86_sol10_return_in_memory): Likewise.
5296         (ix86_gimplify_va_arg): Likewise.
5297         (function_arg_32): Don't warn ABX ABI change here.
5298         (function_arg_64): Likewise.
5299
5300 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5301
5302         * loop-iv.c (implies_p): In the final case, test that operands 0
5303         of the two comparisons match.
5304
5305         * config/bfin/bfin.c (find_prev_insn_start): New function.
5306         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5307         (find_next_insn_start): Move.
5308
5309 2009-02-13  Richard Guenther  <rguenther@suse.de>
5310
5311         * configure.ac: Enable LFS.
5312         * configure: Re-generate.
5313         * config.in: Likewise.
5314
5315 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5316
5317         PR c/35444
5318         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5319         sizes on syntax error after some arguments have been parsed.
5320
5321 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5322
5323         * doc/invoke.texi (-fira): Remove.
5324
5325 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5326
5327         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5328         * recog.c: Likewise.
5329         * rtl.h: Likewise.
5330
5331 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5332
5333         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5334         (umul_ppmm): Likewise.
5335         (count_leading_zeros): Likewise.
5336         (count_trailing_zeros): Likewise.
5337         (UMUL_TIME): Likewise.
5338
5339 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5340
5341         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5342         soft-fp/t-softfp to tmake_file.
5343
5344         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5345         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5346         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5347         IA64_BUILTIN_INFQ]: New.
5348         (ia64_init_builtins): Initialize __builtin_infq,
5349         __builtin_fabsq and __builtin_copysignq if not HPUX.
5350         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5351         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5352
5353         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5354         SHARED is defined.
5355         (__fixtfti): Likewise.
5356         (__fixunstfti): Likewise.
5357         (__floattitf): Likewise.
5358
5359         * config/ia64/libgcc-glibc.ver: New.
5360         * config/ia64/t-fprules-softfp: Likewise.
5361         * config/ia64/sfp-machine.h: Likewise.
5362
5363         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5364         (LIBGCC2_TF_CEXT): Likewise.
5365         (TF_SIZE): Likewise.
5366         (TARGET_INIT_LIBFUNCS): Likewise.
5367
5368         * config/ia64/t-glibc (SHLINB_MAPFILES):
5369         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5370
5371 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5372
5373         * config/i386/i386.c (construct_container): Rewrite processing
5374         BLKmode with X86_64_SSE_CLASS.
5375
5376 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5377
5378         PR target/39152
5379         * config/i386/i386.md: Replace simplify_replace_rtx with
5380         replace_rtx in the new peephole2.
5381
5382 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5383
5384         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5385         loop unrolling do not happen at -O2.
5386
5387 2009-02-12  Michael Matz  <matz@suse.de>
5388
5389         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5390
5391 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5392
5393         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5394         for -g3.
5395
5396 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5397
5398         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5399         patterns when updating the back chain.  Missed in the 2009-02-10
5400         change.
5401
5402 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5403
5404         * doc/extend.texi (Decimal Floating Types): Update identifier of
5405         draft TR and list of missing support.
5406
5407 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5408
5409         PR middle-end/39154
5410         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5411         bit to variable length decl's flags, add it also to its
5412         pointer replacement variable.
5413
5414 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5415             Jakub Jelinek  <jakub@redhat.com>
5416
5417         PR target/39118
5418         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5419         (memory_blockage): New expander.
5420         (*memory_blockage): New insn pattern.
5421         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5422         instead of general blockage at the end of function prologue when
5423         frame pointer is used to access red zone area.  Do not emit blockage
5424         when profiling, it is emitted in generic code.
5425         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5426         function epilogue when frame pointer is used to access red zone area.
5427
5428 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5429
5430         PR target/38824
5431         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5432         by arithmetic with memory operands.
5433         * config/i386/predicates.md (commutative_operator): New.
5434
5435 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5436
5437         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5438         bulleted lists.
5439
5440 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5441
5442         * alias.h (record_alias_subset): Declare.
5443         * alias.c (record_alias_subset): Make global.
5444
5445 2009-02-10  Nick Clifton  <nickc@redhat.com>
5446
5447         * tree-parloops.c: Change license to GPLv3.
5448         * ipa-struct-reorg.c: Change license to GPLv3.
5449         * ipa-struct-reorg.h: Change license to GPLv3.
5450
5451 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5452
5453         PR c/39084
5454         * c-decl.c (start_struct): Return NULL on error.
5455
5456 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5457
5458         PR middle-end/39124
5459         * cfgloopmanip.c (remove_path): Call remove_bbs after
5460         cancel_loop_tree, not before it.
5461
5462         PR target/39139
5463         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5464         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5465         VAR_DECLs were seen.
5466         * tree-ssa-live.c (remove_unused_locals): Recompute
5467         cfun->has_local_explicit_reg_vars.
5468         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5469         copies or clearings if cfun->has_local_explicit_reg_vars.
5470
5471 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5472
5473         PR target/39118
5474         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5475         of function prologue when frame pointer is used to access
5476         red zone area.
5477
5478 2009-02-10  Richard Guenther  <rguenther@suse.de>
5479
5480         PR middle-end/39127
5481         * gimplify.c (gimple_regimplify_operands): Always look if
5482         we need to create a temporary.
5483
5484 2009-02-10  Richard Guenther  <rguenther@suse.de>
5485
5486         PR tree-optimization/39132
5487         * tree-loop-distribution.c (todo): New global var.
5488         (generate_memset_zero): Trigger TODO_rebuild_alias.
5489         (tree_loop_distribution): Return todo.
5490
5491 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5492
5493         PR target/39119
5494         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5495         (x86_64_reg_class_name): Removed.
5496         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5497         first one isn't X86_64_SSE_CLASS or any other ones aren't
5498         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5499         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5500         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5501         and 3 X86_64_SSEUP_CLASS.
5502         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5503         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5504
5505 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5506
5507         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5508         form instruction to update the stack back chain word, even if the
5509         user has disabled the generation of update instructions.
5510         (movdi_<mode>_update_stack): New.
5511         (movsi_update_stack): Likewise.
5512         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5513         always use an update form instruction to update the stack back
5514         chain word.
5515
5516 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5517
5518         PR middle-end/38953
5519         * graphite.c (if_region_set_false_region): After moving a region in
5520         the false branch of a condition, remove the empty dummy basic block.
5521         (gloog): Remove wrong fix for PR38953.
5522
5523 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5524
5525         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5526         generation due to implicit sign extension.
5527
5528 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5529
5530         PR middle-end/38981
5531         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5532         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5533
5534 2009-02-09  Richard Guenther  <rguenther@suse.de>
5535
5536         PR middle-end/35202
5537         * convert.c (convert_to_real): Disable (float)fn((double)x)
5538         to fnf(x) conversion if errno differences may occur and
5539         -fmath-errno is set.
5540
5541 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5542
5543         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5544         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5545         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5546
5547 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5548
5549         PR c/35434
5550         * c-common.c (handle_alias_attribute): Disallow attribute for
5551         anything not a FUNCTION_DECL or VAR_DECL.
5552
5553 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5554
5555         PR c/39035
5556         * real.c (do_compare): Special-case compare of zero against
5557         decimal float value.
5558
5559 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5560
5561         PR c/36432
5562         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5563         as indicating flexible array members unless the field itself is
5564         being declarared as the incomplete array.
5565
5566 2009-02-06  Jan Hubicka  <jh@suse.cz>
5567
5568         PR tree-optimization/38844
5569         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5570         is already inlined.
5571
5572 2009-02-06  Richard Guenther  <rguenther@suse.de>
5573
5574         PR middle-end/38977
5575         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5576         fork because we may expand it as __gcov_fork.
5577
5578 2009-02-06  Nick Clifton  <nickc@redhat.com>
5579
5580         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5581
5582 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5583
5584         PR tree-optimization/35659
5585         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5586         vn_phi_eq): Shortcut if hashcode does not match.
5587         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5588         NULL operands.
5589         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5590         and avoid iterative_hash_expr.
5591         (FOR_EACH_VALUE_ID_IN_SET): New.
5592         (value_id_compare): Remove.
5593         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5594         sort expressions by value id.
5595
5596 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5597
5598         PR target/38991
5599         * config/sh/predicates.md (general_movsrc_operand): Don't check
5600         the subreg of system registers here.
5601
5602 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5603
5604         PR c++/39106
5605         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5606         on the copied decl.
5607
5608 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5609
5610         PR rtl-optimization/39110
5611         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5612         addresses, not aligned ones.
5613
5614 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5615             Richard Guenther  <rguenther@suse.de>
5616
5617         PR tree-optimization/39100
5618         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5619         comment says and add edges.
5620
5621 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5622
5623         PR c/35435
5624         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5625         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5626
5627 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5628
5629         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5630         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5631         register_bb_in_sese, new_sese, free_sese): Moved.
5632         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5633         outermost_loop_in_scop, build_scop_iteration_domain,
5634         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5635         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5636         Use loop_in_sese_p instead of loop_in_scop_p.
5637         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5638         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5639         (scopdet_basic_block_info): Fix bug in scop detection.
5640         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5641         eq_loop_to_cloog_loop): Remove.
5642         (nb_loops_around_loop_in_scop, nb_loop
5643         ref_nb_loops): Moved here...
5644         * graphite.h (ref_nb_loops): ... from here.
5645         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5646         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5647         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5648         * testsuite/gcc.dg/graphite/scop-19.c: New
5649
5650 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5651             Hans-Peter Nilsson  <hp@axis.com>
5652
5653         PR rtl-optimization/37889
5654         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5655         Move offset handling from PLUS to before the switch.  Use new
5656         arguments when considering SYMBOL_REFs too.
5657         (rtx_addr_can_trap_p): Pass dummy offset and size.
5658         (enum may_trap_p_flags): Remove.
5659         (may_trap_p_1): Pass size from MEM_SIZE.
5660
5661         PR rtl-optimization/38921
5662         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5663         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5664         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5665         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5666
5667 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5668
5669         AVX Programming Reference (January, 2009)
5670         * config/i386/sse.md (*vpclmulqdq): New.
5671
5672 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5673
5674         PR tree-optimization/38977
5675         PR gcov-profile/38292
5676         * calls.c (special_function_p): Disregard __builtin_ prefix.
5677
5678 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5679
5680         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5681         non-indexable addresses even before reload.
5682
5683 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5684
5685         PR c/29129
5686         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5687         as having variable size.  Do not give an error for unnamed
5688         parameters with [*] declarators.  Give a warning for type names
5689         with [*] declarators and mark them as variable size.
5690         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5691         for sizeof applied to [*] type names.
5692
5693 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5694
5695         PR C++/36607
5696         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5697
5698 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5699
5700         * gcc.c (process_command): Update copyright notice dates.
5701         * gcov.c (print_version): Likewise.
5702         * gcov-dump.c (print_version): Likewise.
5703         * mips-tfile.c (main): Likewise.
5704         * mips-tdump.c (main): Likewise.
5705
5706 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5707
5708         PR c/35433
5709         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5710         for composite type involving a zero-length array type.
5711
5712 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5713
5714         PR target/35318
5715         * function.c (match_asm_constraints_1): Skip over
5716         initial optional % in the constraint.
5717
5718         PR inline-asm/39059
5719         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5720         supported, don't accept FIXED_CSTs.
5721         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5722         and _Sat is used without _Fract/_Accum.  Set specs->type to
5723         integer_type_node for cts_fract/cts_accum if fixed point is not
5724         supported.
5725
5726 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5727
5728         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5729
5730 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5731
5732         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5733         (ABI_HAS_64BIT_SYMBOLS): Use it.
5734         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5735
5736 2009-02-02  Paul Brook  <paul@codesourcery.com>
5737
5738         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5739
5740 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5741
5742         PR inline-asm/39058
5743         * recog.h (asm_operand_ok): Add constraints argument.
5744         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5745         recurse on matching constraint.
5746         (check_asm_operands): Pass constraints as 3rd argument to
5747         asm_operand_ok.  Don't look up matching constraint here.
5748         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5749         to asm_operand_ok.
5750
5751 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5752
5753         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5754         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5755
5756 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5757
5758         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5759         information.  Remove some obsolete information.  Reorganize.
5760
5761         * config/pa/fptr.c: Revert license to GPL 2.
5762         * config/pa/milli64.S: Likewise.
5763
5764 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5765
5766         PR target/38904
5767         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5768         LIBRARY name in, instead of hard-coding it.
5769         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5770         extra target make frag to tmake_files according to EH model.
5771         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5772         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5773         frags that define makefile variable EH_MODEL appropriately.
5774         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5775         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5776         to "-sjlj" according to type of EH configured.
5777         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5778         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5779         to "_sjlj" according to type of EH configured.
5780         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5781         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5782         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5783         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5784         string value of "pe_dll" command-line option.
5785         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5786         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5787         (SHLIB_IMPLIB):  Override t-cygming default.
5788         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5789         string value of "pe_dll" command-line option.
5790
5791 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5792
5793         PR target/38952
5794         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5795         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5796
5797 2009-01-31  Richard Guenther  <rguenther@suse.de>
5798
5799         PR tree-optimization/38937
5800         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5801         computing the transitive closure.
5802
5803 2009-01-30  Richard Guenther  <rguenther@suse.de>
5804
5805         PR tree-optimization/39041
5806         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5807         Propagate variable indices only if the types match for this stmt.
5808
5809 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5810
5811         PR target/39013
5812         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5813         inline but never defined.
5814
5815 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5816
5817         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5818         (*insv_h_di_reg_extimm): New insn.
5819         (*insv_l<mode>_reg_extimm): New insn.
5820
5821 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5822
5823         * config/picochip/picochip.c (flag_conserve_stack): set
5824         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5825         fconserve-stack. Reduce call-overhead used by inliner.
5826
5827 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5828
5829         PR/38157
5830         * common.opt (flag_conserve_stack): Initialised to zero.
5831
5832 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5833
5834         PR/39002
5835         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5836         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5837         method.
5838
5839 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5840
5841         * ira-color.c (allocno_reload_assign): Update comments.
5842         * regmove.c (regmove_optimize): Likewise.
5843
5844         * ra.h: Removed.
5845
5846 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5847
5848         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5849         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5850         `MD_UNWIND_SUPPORT'.
5851         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5852
5853 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5854
5855         PR tree-optimization/39007
5856         * tree-loop-distribution.c (generate_builtin): Use
5857         recompute_dominator to compute the immediate dominator of the
5858         basic block just after the loop.
5859
5860 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5861
5862         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5863         (ASM_OUTPUT_DWARF_PCREL): Define.
5864
5865 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5866
5867         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5868         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5869         global.  Modify entries about regmove and IRA.
5870
5871         * ra-conflict.c: Remove the file.
5872
5873         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5874
5875         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5876         (pass_regclass_init): Rename to pass_reginfo_init.
5877
5878         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5879
5880         * toplev.h (flag_ira): Remove.
5881
5882         * caller-save.c (setup_save_areas): Remove flag_ira.
5883
5884         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5885
5886         * global.c: Remove the file.
5887
5888         * opts.c (decode_options): Remove flag_ira.
5889
5890         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5891
5892         * regmove.c: Modify file description.
5893         (find_use_as_address, try_auto_increment): Define them only if
5894         AUTO_INC_DEC is defined.
5895         (replacement_quality, replace_in_call_usage, fixup_match_1,
5896         stable_and_no_regs_but_for_p): Remove.
5897         (reg_set_in_bb): Make it static.
5898         (regmove_optimize): Remove flag_ira and code which worked for
5899         !flag_ira.
5900
5901         * local-alloc.c: Remove the file.
5902
5903         * common.opt (fira): Remove.
5904
5905         * ira.c: Include except.h.
5906         (eliminable_regset): Move from global.c.
5907         (mark_elimination): Ditto.  Remove flag_ira.
5908         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5909         equiv_mem_modified, validate_equiv_mem_from_store,
5910         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5911         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5912         no_equiv, recorded_label_ref): Move from local-alloc.c.
5913         (update_equiv_regs): Ditto.  Make it static.
5914         (print_insn_chain, print_insn_chains): Move it from global.c.
5915         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5916         (build_insn_chain): Ditto.  Make it static.
5917         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5918         Rename to init_live_subregs.
5919         (gate_ira): Remove flag_ira.
5920
5921         * regclass.c: Rename reginfo.c.  Change file description.
5922         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5923         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5924         (init_reg_sets_1): Remove code for evaluation of
5925         reg_class_superclasses and losing_caller_save_reg_set.
5926         (init_regs): Remove init_reg_autoinc.
5927         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5928         ok_for_base_p_nonstrict): Remove.
5929         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5930         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5931         corresponding entries.
5932         (dump_regclass, record_operand_costs, scan_one_insn,
5933         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5934         record_address_regs, auto_inc_dec_reg_p): Remove.
5935         (gt-regclass.h): Rename to gt-reginfo.h.
5936
5937         * rtl.h (dump_global_regs, retry_global_alloc,
5938         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
5939
5940         * Makefile.in (RA_H): Remove.
5941         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
5942         Rename regclass.o to reginfo.o.
5943         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
5944         gt-reginfo.h.
5945         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
5946         (GTFILES): Rename regclass.c to reginfo.c.
5947
5948         * passes.c (init_optimization_passes): Remove pass_local_alloc and
5949         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
5950
5951         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5952         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
5953         Remove flag_ira.
5954         (finish_spills): Ditto.  Remove code for !flag_ira.
5955         
5956 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
5957
5958         PR middle-end/35854
5959         * doc/invoke.texi (rtl debug options): Complete rewrite.
5960         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
5961         to auto_inc_dec".
5962         * mode-switching.c (pass_mode_switching): Rename pass from
5963         "mode-sw" to "mode_sw".
5964         * except.c (pass_convert_to_eh_ranges): Rename pass from
5965         "eh-ranges" to "eh_ranges".
5966         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
5967         to "subreg1".
5968                 
5969         
5970 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
5971             Alexander Monakov  <amonakov@ispras.ru>
5972
5973         PR middle-end/38857
5974         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
5975         register.
5976         (move_exprs_to_boundary): Change return type and pass through
5977         should_move from move_op.  Relax assert.  Update usage ...
5978         (schedule_expr_on_boundary): ... here.  Use should_move instead of
5979         cant_move.
5980         (move_op_orig_expr_found): Indicate that insn was disconnected from
5981         stream.
5982         (code_motion_process_successors): Do not call after_merge_succs
5983         callback if original expression was not found when traversing any of
5984         the branches.
5985         (code_motion_path_driver): Change return type.  Update prototype.
5986         (move_op): Update comment.  Add a new parameter (should_move).  Update
5987         prototype.  Set *should_move based on indication provided by
5988         move_op_orig_expr_found.
5989
5990 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
5991
5992         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
5993         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
5994         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
5995         * config/rs6000/rs6000.c (rs6000_override_options): Default
5996         avoid-indexed-addresses on for Power6, off for everything else.
5997         (avoiding_indexed_address_p): New function.
5998         (rs6000_legitimize_address): Use it.
5999         (rs6000_legitimate_address): Likewise.
6000         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6001
6002 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6003
6004         PR tree-optimization/38997
6005         * tree-loop-distribution.c (generate_memset_zero): Use
6006         POINTER_PLUS_EXPR for a pointer addition.
6007
6008 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6009
6010         * config/s390/s390.md (bswap<mode>2): New pattern added.
6011
6012 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6013
6014         * config/s390/s390.md (*tls_load_31): Added type attribute.
6015
6016 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6017
6018         * config/s390/s390.md: Fix a few comments.
6019
6020 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6021
6022         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6023         (*tm<mode>_full): Fixed z10prop attribute.
6024         (*tst<mode>_extimm): Fixed z10prop attribute.
6025         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6026         (*tstqiCCT_cconly): Fixed z10prop attribute.
6027         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6028         (*movsi_larl): Fixed z10prop attribute.
6029         (*movsi_zarch): Fixed z10prop attribute.
6030         (*movsi_eas): Fixed z10prop attribute.
6031         (*movhi): Fixed z10prop attribute.
6032         (*movqi): Fixed z10prop attribute.
6033         (*movstrictqi): Fixed z10prop attribute.
6034         (*mov<mode>): Fixed z10prop attribute.
6035         (*movcc): Fixed z10prop attribute.
6036         (*sethighpartdi_64): Fixed z10prop attribute.
6037         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6038         (*negdi2_sign_cc): Fixed z10prop attribute.
6039         (*negdi2_sign): Fixed z10prop attribute.
6040         (*absdi2_sign_cc): Fixed z10prop attribute.
6041         (*absdi2_sign): Fixed z10prop attribute.
6042         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6043         (*negabsdi2_sign): Fixed z10prop attribute.
6044         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6045         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6046         (doloop_si64): Fixed z10prop attribute.
6047         (doloop_si31): Fixed z10prop attribute.
6048         (doloop_long): Fixed z10prop attribute.
6049         (indirect_jump): Fixed z10prop attribute.
6050         (nop): Fixed z10prop attribute.
6051         (main_base_64): Fixed z10prop attribute.
6052         (reload_base_64): Fixed z10prop attribute.
6053
6054 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR rtl-optimization/38740
6057         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6058         if !optimize.
6059         * config/mips/mips.c (mips_reorg): Likewise.
6060
6061 2009-01-28  Richard Guenther  <rguenther@suse.de>
6062
6063         PR tree-optimization/38926
6064         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6065         with the correct value id to a value.
6066         (do_regular_insertion): Use the value number of edoubleprime
6067         for the value number of the expr.
6068
6069         Revert
6070         2008-08-21  Richard Guenther  <rguenther@suse.de>
6071
6072         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6073         a PHI ask VN if it is already available.
6074         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6075         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6076
6077 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6078
6079         PR middle-end/38934
6080         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6081         set to varying whenever max has TREE_OVERFLOW set, similarly
6082         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6083
6084 2009-01-28  Richard Guenther  <rguenther@suse.de>
6085
6086         PR middle-end/38908
6087         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6088         uninitialized aggregate uses in call arguments.
6089
6090 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6091
6092         PR tree-optimization/38984
6093         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6094         the nothing_id variable if -fno-delete-null-pointer-checks.
6095
6096 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6097
6098         PR target/38988
6099         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6100         (set_got_offset_rex64): Ditto.
6101
6102 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6103
6104         PR target/38941
6105         * doc/extend.texi: Improve local variable with asm reg.
6106
6107 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6108
6109         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6110         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6111         was not supplied then set warn_packed_bitfield_compat to the
6112         default value of 1.
6113         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6114         against 1.
6115
6116 2009-01-27  Richard Guenther  <rguenther@suse.de>
6117
6118         PR tree-optimization/38503
6119         * cfgexpand.c (expand_gimple_basic_block): Ignore
6120         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6121         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6122         variables that cannot have TBAA applied.
6123         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6124         statements.
6125
6126 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6127
6128         PR middle-end/38969
6129         * calls.c (initialize_argument_information): Do not wrap complex
6130         arguments in SAVE_EXPR.
6131
6132 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6133
6134         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6135         (INSTALL_LIBGCC): Revert typo commit.
6136
6137 2009-01-26  Richard Guenther  <rguenther@suse.de>
6138
6139         PR tree-optimization/38745
6140         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6141         from special handling.
6142
6143 2009-01-26  Richard Guenther  <rguenther@suse.de>
6144
6145         PR tree-optimization/38745
6146         * tree-ssa.c (execute_update_addresses_taken): Do not include
6147         variables that cannot possibly be a register in not_reg_needs.
6148         Do not clear TREE_ADDRESSABLE on vars that may not become
6149         registers.
6150         * tree-ssa.c (update_alias_info_1): Include those in the set
6151         of addressable vars.
6152
6153 2009-01-26  Richard Guenther  <rguenther@suse.de>
6154
6155         PR middle-end/38851
6156         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6157         * tree-ssa-dse.c: Include langhooks.h
6158         (execute_simple_dse): Remove stores with zero size.
6159
6160 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6161
6162         PR c/38957
6163         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6164         as PLUS_EXPR.
6165
6166 2009-01-24  Julian Brown  <julian@codesourcery.com>
6167
6168         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6169         config/arm/linux-atomic.c.
6170         * config/arm/linux-atomic.c: New.
6171
6172 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6173
6174         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6175         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6176         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6177
6178 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6179
6180         PR c/38938
6181         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6182         properly.
6183
6184 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6185
6186         PR tree-optimization/38953
6187         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6188         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6189         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6190         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6191         changed the CFG.
6192
6193 2009-01-24  Paul Brook  <paul@codesourcery.com>
6194
6195         * config/arm/neon.md (neon_type): Move to arm.md.
6196         (neon_mov<VSTRUCT>): Add neon_type attribute.
6197         * config/arm/arm.md (neon_type): Move to here.
6198         (conds): Add "unconditioal" and use as default for NEON insns.
6199
6200 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6201
6202         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6203         void *' warning from -Wc++-compat.
6204         * Makefile.in (dominance.o-warn): Remove.
6205
6206 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6207
6208         PR tree-optimization/38932
6209         * fold-const.c (fold_unary_ignore_overflow): New.
6210         * tree.h (fold_unary_ignore_overflow): Declare.
6211         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6212         * tree-ssa-sccvn.c (visit_reference_op_load,
6213         simplify_unary_expression): Likewise.
6214
6215 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6216
6217         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6218         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6219         regardless of their type.
6220         * c-common.c (handle_packed_attribute): Don't ignore packed on
6221         bitfields.
6222         * c.opt (Wpacked-bitfield-compat): New warning option.
6223         * stor-layout.c (place_field): Warn if offset of a field changed.
6224         * doc/extend.texi (packed): Mention the ABI change.
6225         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6226         (Warning Options): Add it to the list.
6227
6228 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6229
6230         * c-opts.c (c_common_post_options): Fix a typo in comments.
6231
6232 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6233
6234         PR middle-end/38615
6235         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6236         variables to static.
6237         * doc/invoke.texi (-fmerge-all-constants): Update description.
6238
6239 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6240
6241         PR target/38931
6242         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6243         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6244
6245 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6246
6247         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6248         a word boundary.
6249         (LOCAL_ALIGNMENT): Similarly.
6250
6251 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6252             Joseph Myers  <joseph@codesourcery.com>
6253
6254         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6255         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6256         * config/arm/arm-tune.md: Regenerate.
6257         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6258         -march=iwmmxt2.
6259
6260 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6261
6262         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6263         version number to five.
6264
6265 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6266
6267         PR c++/38930
6268         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6269         * c-common.c (set_underlying_type): Likewise.
6270         (is_typedef_decl ): Likewise
6271         * tree.h: Likewise
6272         (set_underlying_type): Likewise.
6273         (is_typedef_type): Likewise.
6274
6275 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6276
6277         PR middle-end/38587
6278         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6279         crossing setjmps.
6280
6281 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6282
6283         PR bootstrap/37660
6284         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6285         (LIBGCC_SPEC):  Don't define.
6286         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6287
6288 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6289
6290         PR rtl-optimization/38879
6291         * alias.c (base_alias_check): Unaligned access via AND address can
6292         alias all surrounding object types except those with sizes equal
6293         or wider than the size of unaligned access.
6294
6295 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6296
6297         PR c++/26693
6298         * c-decl.c (clone_underlying_type): Move this ...
6299         * c-common.c (set_underlying_type): ... here.
6300         Also, make sure the function properly sets TYPE_STUB_DECL() on
6301         the newly created typedef variant type.
6302         (is_typedef_decl ): New entry point.
6303         * tree.h: Added a new member member_types_needing_access_check to
6304         struct tree_decl_non_common.
6305         (set_underlying_type): New entry point.
6306         (is_typedef_type): Likewise.
6307
6308 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6309
6310         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6311         Check whether two instructions have memory references that
6312         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6313         are helper functions for traversing.
6314         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6315         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6316         not to draw dependency edge for instructions with non-conflicting
6317         alias sets.
6318
6319 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6320
6321         PR other/38758
6322         * longlong.h: Update copyright years.  Use soft-fp license notice.
6323         Sync __clz_tab declaration with glibc.
6324
6325 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6326
6327         PR target/30687
6328         * doc/extend.texi (syscall_linkage): New.
6329         (version_id): Modify.
6330
6331 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6332             Richard Guenther  <rguenther@suse.de>
6333
6334         PR tree-optimization/38747
6335         PR tree-optimization/38748
6336         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6337         conversion if the base address is an indirect reference and the
6338         aliasing sets could cause issues.
6339
6340 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6341
6342         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6343         explaining why these options are not documented.
6344
6345 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6346
6347         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6348         gimple_call_lhs is NULL.
6349
6350 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6351
6352         PR target/38868
6353         * emit-rtl.c (adjust_address_1): Make sure memref is never
6354         overwritten.
6355
6356 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6357
6358         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6359         const qualifier from arg parameter. Remove unnecessary cast to char *.
6360         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6361         const qualifier from arg 2.
6362
6363 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6364
6365         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6366
6367 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6368
6369         PR c/38869
6370         * rtl.h (reinit_regs): New prototype.
6371         * regclass.c: Include ira.h.
6372         (reinit_regs): New.
6373         * Makefile.in (regclass.o): Add ira.h.
6374         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6375
6376 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6377
6378         PR target/38736
6379         * c-common.c (handle_aligned_attribute): Use
6380         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6381         default alignment value.
6382
6383         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6384
6385         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6386         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6387
6388         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6389         __BIGGEST_ALIGNMENT__.
6390
6391         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6392
6393 2009-01-18  Richard Guenther  <rguenther@suse.de>
6394
6395         PR tree-optimization/38819
6396         * tree-flow.h (operation_could_trap_helper_p): Declare.
6397         * tree-eh.c (operation_could_trap_helper_p): Export.
6398         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6399         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6400         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6401         are about to insert a possibly trapping instruction and fail
6402         in this case.
6403
6404 2009-01-18  Andreas Schwab  <schwab@suse.de>
6405
6406         * doc/install.texi (Configuration): Remove obsolete paragraph
6407         about use of --with-gnu-ld with --with-gnu-as.
6408
6409 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6410
6411         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6412         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6413         Follow spelling conventions.
6414
6415 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6416
6417         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6418         C++ warning about implicit conversion from void * to struct
6419         bitmap_head_def *.
6420         (bitmap_obstack_free): Likewise for bitmap_element *.
6421         * Makefile.in (bitmap.o-warn): Remove.
6422
6423 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6424
6425         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6426
6427 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6428             Tobias Grosser  <tobi.grosser@amd.com>
6429
6430         * graphite.c (graphite_trans_scop_block): Do not block single
6431         nested loops.
6432
6433 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6434
6435         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6436         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6437         test with assertion.
6438
6439 2009-01-16  Richard Guenther  <rguenther@suse.de>
6440
6441         PR tree-optimization/38835
6442         PR middle-end/36227
6443         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6444         and INT + PTR -> (INT)(PTR p+ INT) folding.
6445         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6446
6447 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6448
6449         PR target/38554
6450         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6451         the subreg from a lowpart subreg if it is also casting the value.
6452
6453 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6454             Tobias Grosser  <tobi.grosser@amd.com>
6455
6456         * graphite.c (compare_prefix_loops): New.
6457         (build_scop_canonical_schedules): Rewritten.
6458         (graphite_transform_loops): Move build_scop_canonical_schedules
6459         after build_scop_iteration_domain.
6460
6461 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6462             Tobias Grosser  <tobi.grosser@amd.com>
6463
6464         * graphite.c (add_conditions_to_domain): Add the loops to 
6465         the dimension of the iteration domain.  Do copy the domain
6466         only when it exists.
6467         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6468         (add_conditions_to_constraints): New.
6469         (can_generate_code_stmt, can_generate_code): Removed.
6470         (gloog): Do not call can_generate_code.
6471         (graphite_transform_loops): Call add_conditions_to_constraints
6472         after building the iteration domain.
6473
6474 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6475
6476         PR tree-optimization/38789
6477         * tree-ssa-threadedge.c
6478         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6479         __builtin_constant_p.
6480
6481 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6482
6483         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6484         examined before deleting them.
6485         
6486 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6487
6488         * function.c (aggregate_value_p): Correctly extract the function
6489         type from CALL_EXPR_FN lookup.
6490
6491 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6492
6493         * config/picochip/picochip.c (picochip_override_options): Revert
6494         CFI asm flag disable commited previously.
6495
6496 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6497             Tobias Grosser  <tobi.grosser@amd.com>
6498             Jan Sjodin  <jan.sjodin@amd.com>
6499
6500         * graphite.c (scan_tree_for_params): On substractions negate
6501         all the coefficients of the term.
6502         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6503         of more than two operands.
6504         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6505         (get_vdef_before_scop): Handle also the case of default definitions.
6506
6507 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6508
6509         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6510         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6511         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6512
6513 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6514             Joey Ye  <joey.ye@intel.com>
6515
6516         PR middle-end/37843
6517         * cfgexpand.c (expand_stack_alignment): Don't update stack
6518         boundary nor check incoming stack boundary here.
6519         (gimple_expand_cfg): Update stack boundary and check incoming
6520         stack boundary here.
6521
6522 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6523
6524         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6525         
6526 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6527
6528         PR rtl-optimization/38245
6529         * calls.c (expand_call): Add stack arguments to
6530         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6531         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6532         in regs and partially in memory or BLKmode arguments.
6533         (emit_library_call_value_1): Add stack arguments to
6534         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6535         ACCUMULATE_OUTGOING_ARGS).
6536         * dce.c: Include tm_p.h.
6537         (find_call_stack_args): New function.
6538         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6539         argument.
6540         (mark_insn): Call find_call_stack_args for CALL_Ps.
6541         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6542         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6543         down to deletable_insn_p, don't mark stores set in arg_stores
6544         bitmap, clear the bitmap at the beginning of each bb.
6545         * Makefile.in (dce.o): Depend on $(TM_P_H).
6546
6547 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6548
6549         PR target/22599
6550         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6551         to make sure the insn is a conditional test (bug 22599).  Reformat a
6552         few long lines.
6553
6554 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6555
6556         PR middle-end/38431
6557         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6558         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6559         (gloog): Do not call cleanup_tree_cfg.
6560         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6561         scops have been code generated.
6562
6563 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6564         * doc/gty.texi (Invoking the garbage collector): Added new node
6565         and section documenting ggc_collect.
6566
6567 2009-01-14  Richard Guenther  <rguenther@suse.de>
6568
6569         PR tree-optimization/38826
6570         PR middle-end/38477
6571         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6572         initialization notes only if we actually emitted a warning.
6573         (intra_create_variable_infos): Add constraints for a result decl
6574         that is passed by hidden reference.
6575         (build_pred_graph): Mark all related variables non-direct on
6576         address-taking.
6577
6578 2009-01-14  Nick Clifton  <nickc@redhat.com>
6579
6580         * ira-conflicts.c: Include addresses.h for the definition of
6581         base_reg_class.
6582         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6583         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6584
6585 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6586
6587         PR target/38811
6588         * Makefile.in (ira-lives.o): Add except.h.
6589
6590         * ira-lives.c: Include except.h.
6591         (process_bb_node_lives): Process can_throw_internal.
6592
6593 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6594
6595         PR rtl-optimization/38774
6596         * combine.c (simplify_set): When undoing cc_use change, don't do
6597         PUT_CODE on the newly created comparison, but instead put back the
6598         old comparison.
6599
6600 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6601
6602         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6603         values.  Remove duplicate arm8 entry.
6604
6605 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6606
6607         PR tree-optimization/38786
6608         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6609         the SSA_NAME case of expand_scalar_variables_expr.
6610         Set the type of an expression to the type of its assign statement.
6611         (expand_scalar_variables_expr): Also gather the scalar computation
6612         used to index the memory access.  Do not pass loop_p.
6613         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6614         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6615         the gimple_stmt_iterator where it inserts new code.
6616         Do not pass loop_p.
6617         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6618         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6619
6620 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6621
6622         * graphite.h (debug_value): Removed.
6623         * graphite.c (debug_value): Removed.
6624
6625 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6626
6627         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6628         ldrd/strd with two 32-bit instructions.
6629
6630 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6631
6632         * config/arm/arm.c (struct processors): Pass for speed down into
6633         cost helper functions.
6634         (const_ok_for_op): Handle COMPARE and inequality nodes.
6635         (arm_rtx_costs_1): Rewrite.
6636         (arm_size_rtx_costs): Update prototype.
6637         (arm_rtx_costs): Pass speed down to helper functions.
6638         (arm_slowmul_rtx_costs): Rework cost calculations.
6639         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6640         (arm_9e_rtx_costs): Likewise.
6641
6642 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6643
6644         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6645         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6646         (alpha_legitimize_address): Do not split local symbols wider than
6647         UNITS_PER_WORD into HIGH/LO_SUM parts.
6648
6649 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6650
6651         PR bootstrap/38580
6652         * gcc.c (process_command): Replace call to execvp with calls
6653         to pex_one and exit.
6654
6655 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6656
6657         PR target/29141
6658         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6659         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6660         variant for devices with 3-byte PC.
6661         (__tablejump_elpm__): New.
6662
6663 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6664
6665         PR c/32041
6666         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6667         offsetof member-designator, handle it as `[0].'.
6668
6669 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6670
6671         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6672         function when not using named sections on targets with named sections
6673         if branch distance is less than 262132.
6674
6675 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6676
6677         * combine.c (combine_instructions):  Recompute
6678         optimize_this_for_speed_p  for each BB in the main combine loop.
6679
6680 2009-01-12  Tomas Bily  <tbily@suse.cz>
6681
6682         PR middlend/38385
6683         * tree-loop-distribution.c (prop_phis): New function.
6684         (generate_builtin): Call prop_phis.
6685         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6686
6687 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6688
6689         PR tree-optimization/38807
6690         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6691         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6692
6693 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6694
6695         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6696         subreg of op0 to the original op0.
6697
6698 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6699
6700         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6701         
6702 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6703
6704         PR debug/7055
6705         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6706         starting with digits.
6707
6708 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6709
6710         PR target/38695
6711         * config/arm/arm.c (arm_is_long_call_p): Don't call
6712         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6713
6714 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6715
6716         * regrename.c (regrename_optimize): Fix dumping.
6717         (find_oldest_value_reg): Preserve REG_POINTER.
6718         (copy_hardreg_forward_1): Likewise.
6719
6720 2009-01-09  Diego Novillo  <dnovillo@google.com>
6721
6722         * gimple.h (struct gimple_statement_base) <uid>: Document
6723         the restrictions on its use.
6724         (gimple_uid): Tidy.
6725         (gimple_set_uid): Tidy.
6726
6727 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6728
6729         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6730         zero guard even if align_bytes != 0 and count is smaller than
6731         size_needed.
6732
6733 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6734
6735         PR rtl-optimization/38495
6736         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6737         (add_range_and_copies_from_move_list): Print all added ranges.
6738         Add ranges to memory optimized destination.
6739
6740 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6741
6742         PR target/38686
6743         PR target/38708
6744         * config/i386/i386.c (override_options): Reject
6745         -mstringop-strategy=rep_8byte with -m32.
6746         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6747         to 1.  Do count comparison against epilogue_size_needed at compile
6748         time even when count_exp was constant forced into register.  For
6749         size_needed don't jump to epilogue, instead just avoid aligning
6750         and invoke the body algorithm.  If need_zero_guard, add zero guard
6751         even if count is non-zero, but smaller than size_needed + number of
6752         bytes that could be stored for alignment.
6753         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6754         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6755         but smaller than size_needed + number of bytes that could be stored
6756         for alignment.  Compare size_needed with epilogue_size_needed instead
6757         of desired_align - align, don't adjust size_needed, pass
6758         epilogue_size_needed to the epilogue expanders.
6759
6760         PR c/35742
6761         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6762
6763 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6764
6765         * pa.c (last_address): Change to unsigned.
6766         (update_total_code_bytes): Change argument to unsigned.  Don't
6767         check if insn addresses are set.
6768         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6769         addresses are not set.
6770         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6771
6772 2009-01-09  Nick Clifton  <nickc@redhat.com>
6773
6774         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6775         DECL_DECLARED_INLINE_P.
6776
6777 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6778
6779         PR middle-end/38347
6780         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6781         GET_MODE (op0) in operand_subword_force calls.
6782
6783         PR middle-end/38771
6784         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6785         fold_convert arg0 operands to TREE_TYPE (op0) first.
6786
6787 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6788
6789         * params.def (ira-max-conflict-table-size): Decrease default value
6790         to 1000.
6791
6792 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6793
6794         PR tree-optimization/37031
6795         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6796         on parameter_set.
6797         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6798         allocate it using gc instead of heap, use VEC_quick_push instead of
6799         VEC_safe_push.
6800         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6801         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6802         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6803         allocated vector from heap allocated.
6804         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6805         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6806         vector only after perfect_loop_nest_depth call.
6807
6808 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6809             Jan Sjodin  <jan.sjodin@amd.com>
6810
6811         PR tree-optimization/38559
6812         * graphite.c (debug_value, copy_constraint,
6813         swap_constraint_variables, scale_constraint_variable, ): New.
6814         (get_lower_bound, get_upper_bound): Removed.
6815         (graphite_trans_bb_strip_mine): Clean up this code that works
6816         only for constant number of iterations.  Fully copy upper and
6817         lower bound constraints, not only the constant part of them.
6818         * graphite.h (debug_value): Declared.
6819
6820 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6821
6822         PR tree-optimization/37194
6823         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6824         Don't add the cost of cost model guard in prologue to scalar 
6825         outside cost in case of known number of iterations.
6826
6827 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6828             Alan Modra  <amodra@bigpond.net.au>
6829
6830         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6831         non-word-aligned REG+CONST addressing.
6832
6833 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6834
6835         PR target/38706
6836         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6837         free_after_compilation when outputting a thunk.
6838         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6839         Do not call free_after_compilation here.
6840
6841 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6842
6843         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6844         (ix86_valid_target_attribute_inner_p): Ditto.
6845
6846 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6847
6848         PR tree-optimization/38492
6849         PR tree-optimization/38498
6850         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6851         * tree-chrec.h (scev_is_linear_expression): Declared.
6852         * graphite.c (graphite_cannot_represent_loop_niter): New.
6853         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6854         (graphite_loop_normal_form): Use gcc_assert.
6855         (scan_tree_for_params): Use CASE_CONVERT.
6856         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6857         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6858         Use gcc_assert.  Discard scops that contain unhandled cases.
6859         (build_scop_conditions): Return a boolean status for unhandled cases.
6860         (strip_mine_profitable_p): Print the loop number, not its depth.
6861         (is_interchange_valid): Pass the depth of the loop nest, don't
6862         recompute it wrongly.
6863         (graphite_trans_bb_block): Same.
6864         (graphite_trans_bb_block): Print tentative of loop blocking.
6865         (graphite_trans_scop_block): Do not print that the loop has been
6866         blocked.
6867         (graphite_transform_loops): Do not handle scops that contain condition
6868         scalar phi nodes.
6869
6870 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6871
6872         AVX Programming Reference (December, 2008)
6873         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6874         (_mm256_stream_pd): Likewise.
6875         (_mm256_stream_ps): Likewise.
6876
6877         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6878         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6879         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6880         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6881         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6882         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6883         (ix86_expand_special_args_builtin): Likewise.
6884
6885         * config/i386/sse.md (AVXMODEDI): New.
6886         (avx_movnt<mode>): Likewise.
6887         (avx_movnt<mode>): Likewise.
6888         (<sse>_movnt<mode>): Remove AVX support.
6889         (sse2_movntv2di): Likewise.
6890
6891 2009-01-07  Richard Guenther  <rguenther@suse.de>
6892
6893         PR middle-end/38751
6894         * fold-const.c (extract_muldiv): Remove obsolete comment.
6895         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6896         to PLUS_EXPR canonicalization for the canonicalization.
6897
6898 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6899
6900         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6901         hosted cross-compilers generating less efficient code.
6902
6903 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6904
6905         * function.h (rtl_data): Add a dbr_scheduled_p field.
6906         * reorg.c (dbr_schedule): Set it.
6907         (gate_handle_delay_slots): Check it.
6908         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6909         (mips_reorg): Check flag_delayed_branch instead of
6910         mips_base_delayed_branch.
6911         (mips_override_options): Don't set mips_base_delayed_branch
6912         or flag_delayed_branch.
6913
6914 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6915
6916         PR rtl-optimization/38426.
6917         * ira.c (ira): Set current_function_is_leaf earlier.
6918
6919 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6920
6921         PR rtl-optimization/38722
6922         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6923         too early, only set a flag and modify after last possible
6924         undo_all point.
6925
6926 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6927
6928         PR c/34252
6929         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6930         * real.c (decimal_single_format): Correct values of emin and emax.
6931         (decimal_double_format): Ditto.
6932         (decimal_quad_format): Ditto.
6933         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6934         computation of DECnn_MIN and DECnn_MAX for corrected values of
6935         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6936         __DECnn_MIN__, and adjust its computation for the corrected value
6937         of emin.
6938
6939 2009-01-06  Jan Hubicka  <jh@suse.cz>
6940
6941         PR target/38744
6942         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
6943
6944 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
6945
6946         * doc/contrib.texi (Contributors): Slightly adjust the end note.
6947         Add Robert Clark to the list of testers.
6948
6949 2009-01-06  Jan Hubicka  <jh@suse.cz>
6950             Kai Tietz  <kai.tietz@onevision.com>
6951
6952         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
6953         * config/i386/i386.c (ix86_expand_call): Add clobbers.
6954
6955 2009-01-06  Jan Hubicka  <jh@suse.cz>
6956             Kai Tietz  <kai.tietz@onevision.com>
6957
6958         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
6959         for w64 ABI.
6960         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
6961         (ix86_nsaved_regs): Count only general purpose regs.
6962         (ix86_nsaved_sseregs): New.
6963         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
6964         to 16 for w64; compute padding and size of sse reg save area.
6965         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
6966         general purpose regs.
6967         (ix86_emit_save_sse_regs_using_mov): New.
6968         (ix86_expand_prologue): Save SSE regs if needed.
6969         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
6970         (ix86_emit_restore_sse_regs_using_mov): New.
6971         (ix86_expand_epilogue): Save SSE regs if needed.
6972
6973 2009-01-06  Jan Hubicka  <jh@suse.cz>
6974             Kai Tietz  <kai.tietz@onevision.com>
6975
6976         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
6977         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
6978         functions when accumulate outgoing args is off.
6979
6980 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6981
6982         PR bootstrap/38742
6983         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
6984         before using pseudos_have_intersected_live_ranges_p.
6985
6986         * ira-int.h (ira_assert): Always define.
6987
6988 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
6989
6990         AVX Programming Reference (December, 2008)
6991         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
6992         (_mm256_permute2_pd): Likewise.
6993         (_mm_permute2_ps): Likewise.
6994         (_mm256_permute2_ps): Likewise.
6995         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
6996         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
6997
6998         * config/i386/i386.c (ix86_builtins): Remove
6999         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7000         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7001         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7002         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7003         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7004         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7005         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7006         __builtin_ia32_vpermil2ps256.
7007         (ix86_init_mmx_sse_builtins): Updated.
7008         (ix86_expand_args_builtin): Likewise.
7009
7010 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7011
7012         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7013         long absolute calls when generating PA 2.0 code.
7014
7015 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7016
7017         PR rtl-optimization/38583
7018         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7019
7020         * params.def (ira-max-conflict-table-size): New.
7021
7022         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7023         
7024         * ira.h (ira_conflicts_p): New external definition.
7025         
7026         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7027         table.  Report this.  Return result of building.
7028         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7029         building conflict table.
7030
7031         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7032         (ira_color): Use ira_conflicts_p.
7033         
7034         * global.c: Include ira.h.
7035         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7036         ira_conflicts_p.
7037
7038         * Makefile.in (global.o): Add ira.h.
7039         
7040         * ira-build.c (mark_all_loops_for_removal,
7041         propagate_some_info_from_allocno): New.
7042         (remove_unnecessary_allocnos): Call
7043         propagate_some_info_from_allocno.
7044         (remove_low_level_allocnos): New.
7045         (remove_unnecessary_regions): Add parameter.  Call
7046         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7047         parameter to remove_unnecessary_regions.
7048         (ira_build): Remove all regions but root if the conflict table was
7049         not built.  Update conflict hard regs for allocnos crossing calls.
7050
7051         * ira.c (ira_conflicts_p): New global.
7052         (ira): Define and use ira_conflicts_p.
7053
7054         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7055         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7056         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7057         
7058 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7059
7060         * gengtype-lex.l (YY_NO_INPUT): Define.
7061
7062 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7063
7064         PR c/34911
7065         * c-common.c (handle_vector_size_attribute): Also reject
7066         BOOLEAN_TYPE types.
7067
7068 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7069
7070         PR tree-optimization/38492
7071         * graphite.c (rename_map_elt, debug_rename_elt,
7072         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7073         rename_map_elt_info, eq_rename_map_elts,
7074         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7075         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7076         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7077         (sese_build_livein_liveouts): New.
7078         (new_sese, free_sese): New.
7079         (new_scop): Call new_sese.
7080         (free_scop): Call free_sese.
7081         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7082         (register_old_new_names): Renamed register_old_and_new_names.
7083         (register_scop_liveout_renames, add_loop_exit_phis,
7084         insert_loop_close_phis, struct igp,
7085         default_liveout_before_guard, add_guard_exit_phis,
7086         insert_guard_phis, copy_renames): New.
7087         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7088         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7089         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7090         (scop_adjust_phis_for_liveouts): New.
7091         (gloog): Call scop_adjust_phis_for_liveouts.
7092
7093         * graphite.h (struct sese): Documented.  Added fields liveout,
7094         num_ver and livein.
7095         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7096         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7097         (struct scop): Added field liveout_renames.
7098         (SCOP_LIVEOUT_RENAMES): New.
7099
7100 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7101
7102         PR tree-optimization/38510
7103         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7104         (translate_clast): Call recompute_all_dominators before
7105         graphite_verify.
7106         (gloog): Call recompute_all_dominators before graphite_verify.
7107
7108 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7109             Jan Sjodin  <jan.sjodin@amd.com>
7110
7111         PR tree-optimization/38500
7112         * graphite.c (create_sese_edges): Call fix_loop_structure after
7113         splitting blocks.
7114
7115 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7116
7117         * config.gcc: Add m32r*-*-rtems*.
7118         * config/m32r/rtems.h: New file.
7119
7120 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7121
7122         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7123         (.po.pox): Likewise.
7124         (po/gcc.pot): Likewise.
7125
7126 2009-01-04  David S. Miller  <davem@davemloft.net>
7127
7128         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7129         (STARTING_FRAME_OFFSET): Always set to zero.
7130
7131 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7132
7133         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7134         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7135         fixed-point types, and vectors of the same.
7136
7137 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7138
7139         * config/mips/sync.md (*mb_barrier): Rename to...
7140         (*memory_barrier): ...this.
7141
7142 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7143
7144         * doc/extend.texi (Function Attributes): Move @cindex after @item
7145         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7146         and put in alphabetical order. Fix 'target' name and put in order.
7147         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7148         typos.
7149
7150 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7151
7152         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7153         (memory_barrier): Expand as unspec instead of unspec_volatile.
7154         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7155         (*memory_barrier): Define as unspec instead of unspec_volatile.
7156         Use (match_dup 0) as input operand.
7157
7158         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7159         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7160         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7161         scratch register.  Remove operand 1.
7162         (*stbar): Define as unspec instead of unspec_volatile.
7163         Use (match_dup 0) as input operand, remove (const_int 8).
7164         (*membar): Define as unspec instead of unspec_volatile.
7165         Use (match_dup 0) as input operand, remove input operand 2.
7166
7167         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7168         (memory_barrier): Expand as unspec instead of unspec_volatile.
7169         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7170         (*memory_barrier): Define as unspec instead of unspec_volatile.
7171         Use (match_dup 0) as input operand.
7172
7173         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7174         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7175         Set volatile flag on operand 0.
7176         (*memory_barrier): New insn pattern.
7177
7178         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7179         insn operands.
7180         (*memory_barrier): Use (match_dup 0) as input operand.
7181
7182         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7183         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7184         Set volatile flag on operand 0.
7185         (*mb_internal): New insn pattern.
7186
7187         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7188
7189 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7190
7191         PR middle-end/38586
7192         * function.c (struct temp_slot): Move to the section of the file
7193         that deals with temp slots.  Remove field 'address'.
7194         (temp_slot_address_table): New hash table of address -> temp slot.
7195         (struct temp_slot_address_entry): New struct, items for the table.
7196         (temp_slot_address_compute_hash, temp_slot_address_hash,
7197         temp_slot_address_eq, insert_temp_slot_address): Support functions
7198         for the new table.
7199         (find_temp_slot_from_address): Rewrite to use the new hash table.
7200         (remove_unused_temp_slot_addresses): Remove addresses of temp
7201         slots that have been made available.
7202         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7203         worker function for remove_unused_temp_slot_addresses.
7204         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7205         Add the temp slot address to the address -> temp slot map.
7206         (update_temp_slot_address): Update via insert_temp_slot_address.
7207         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7208         (pop_temp_slots): Likewise.
7209         (init_temp_slots): Allocate the address -> temp slot map, or empty
7210         the map if it is already allocated.
7211         (prepare_function_start): Initialize temp slot processing.
7212
7213 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7214
7215         PR middle-end/38584
7216         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7217         Calculate the size of all stack vars assuming no packing of stack
7218         vars will happen, replacing a quadratic algorithm with a linear one.
7219
7220 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7221
7222         PR target/38707
7223         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7224         can't be used.
7225
7226 2009-01-03  Diego Novillo  <dnovillo@google.com>
7227
7228         * doc/contrib.texi: Update contributions.
7229
7230 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7231
7232         PR c++/38705
7233         * builtins.c (fold_builtin_memory_op): Give up if either operand
7234         is volatile.  Set srctype or desttype to non-qualified version
7235         of the other type.
7236
7237         PR c/38700
7238         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7239         and FUNCTION_DECLs.
7240
7241 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7242
7243         PR rtl-optimization/35805
7244         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7245         problem if fast dce is able to remove any instructions.
7246         * dce.c (dce_process_block): Fix dump message.
7247         
7248 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7249
7250         PR 33649
7251         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7252
7253 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7254
7255         PR middle-end/38690
7256         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7257         * tree-pretty-print.c (op_code_prio): New function.
7258         (op_prio): No longer static.  Use op_code_prio.
7259         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7260         Use op_prio and op_code_prio to determine if () should be
7261         printed around operand(s) or not.
7262
7263         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7264         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7265         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7266         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7267         pp_character instead of pp_string for single letter printing.
7268
7269 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7270
7271         * doc/extend.texi: Fix '#pragma GCC option' typo.
7272
7273 2009-01-02  Richard Guenther  <rguenther@suse.de>
7274
7275         * doc/install.texi (--enable-checking): Mention different
7276         default for stage1.
7277         (--enable-stage1-checking): Document.
7278
7279 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7280
7281         PR middle-end/30142
7282         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7283         case to be an error.
7284
7285 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7286
7287         * config/fp-bit.h (pack_d): Constify argument.
7288         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7289         (isnan): Constify argument.
7290         (isinf): Likewise.
7291         (iszero): Likewise.
7292         (pack_d): Likewise.
7293         (_fpadd_parts): Constify return type.
7294         (_fpmul_parts): Likewise.
7295         (_fpdiv_parts): Likewise.
7296
7297 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7298
7299         PR c/36489
7300         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7301         warn about overwriting initializer with side-effects or
7302         -Woverride-init if !IMPLICIT.
7303         (output_init_element): Likewise.  Pass IMPLICIT down to
7304         add_pending_init.
7305         (process_init_element): Add IMPLICIT argument.  Pass it down
7306         to output_init_element.
7307         (push_init_element, pop_init_level, set_designator): Adjust
7308         process_init_element callers.
7309         (set_nonincremental_init, set_nonincremental_init_from_string):
7310         Adjust add_pending_init callers.
7311         (output_pending_init_elements): Adjust output_init_element callers.
7312         * c-tree.h (process_init_element): Adjust prototype.
7313         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7314         process_init_element callers.