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2009-04-17 Andrew Stubbs <ams@codesourcery.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
2
3         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
4         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
5         (--with-multilib-list): Add default value.
6         * configure: Regenerate.
7         * Makefile.in (TM_ENDIAN_CONFIG): Define.
8         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
9         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
10         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
11         Don't add default cpu to multilib list unnecessarily, but do enable
12         the relevant compiler option..
13         Add support for --with-multilib-list=<blank> and
14         --with-multilib-list=!<somelib> to supress unwanted multilibs.
15         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
16         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
17         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
18         TM_MULTILIB_CONFIG.
19         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
20         (MULTILIB_OSDIRNAMES): New variable.
21         * config/sh/t-1e: Delete file.
22         * config/sh/t-mlib-sh1: Delete file.
23         * config/sh/t-mlib-sh2: Delete file.
24         * config/sh/t-mlib-sh2a: Delete file.
25         * config/sh/t-mlib-sh2a-nofpu: Delete file.
26         * config/sh/t-mlib-sh2a-single: Delete file.
27         * config/sh/t-mlib-sh2a-single-only: Delete file.
28         * config/sh/t-mlib-sh2e: Delete file.
29         * config/sh/t-mlib-sh3e: Delete file.
30         * config/sh/t-mlib-sh4: Delete file.
31         * config/sh/t-mlib-sh4-nofpu: Delete file.
32         * config/sh/t-mlib-sh4-single: Delete file.
33         * config/sh/t-mlib-sh4-single-only: Delete file.
34         * config/sh/t-mlib-sh4a: Delete file.
35         * config/sh/t-mlib-sh4a-nofpu: Delete file.
36         * config/sh/t-mlib-sh4a-single: Delete file.
37         * config/sh/t-mlib-sh4a-single-only: Delete file.
38         * config/sh/t-mlib-sh4al: Delete file.
39         * config/sh/t-mlib-sh5-32media: Delete file.
40         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
41         * config/sh/t-mlib-sh5-64media: Delete file.
42         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
43         * config/sh/t-mlib-sh5-compact: Delete file.
44         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
45         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
46         * doc/install.texi (Options specification): Add
47         --with-multilib-list and --with-endian.
48
49 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
50
51         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
52         REVISION_c.
53         (OBJS-common): Add plugin-version.o.
54         (plugin-version.o): New.
55         * gcc-plugin.h (plugin_gcc_version): New.
56         (plugin_default_version_check): New.
57         (plugin_init_func, plugin_init): Add version argument.
58         * plugin-version.c: New.
59         * plugin.c (str_plugin_gcc_version_name): New.
60         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
61         pass it to the init function.
62         (plugin_default_version_check): New.
63
64 2009-04-17  Richard Guenther  <rguenther@suse.de>
65
66         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
67         for decl-vs-decl disambiguation.
68
69 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
70
71         * config/s390/s390.h (s390_tune_attr): New macro definition.
72         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
73
74 2009-04-17  Richard Guenther  <rguenther@suse.de>
75
76         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
77         (fold_stmt_r): Likewise.
78         (maybe_fold_reference): New function.
79         (fold_gimple_assign): Handle cases fold_stmt_r did.
80         (fold_stmt): Do not use fold_stmt_r.
81         (fold_stmt_inplace): Likewise.
82
83 2009-04-17  Richard Guenther  <rguenther@suse.de>
84
85         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
86         (record_equivalences_from_stmt): Remove useless checks and
87         simplifications.
88         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
89         the type is already suitable.
90
91 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
92
93         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
94
95 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
96
97         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
98         (CMPtype): Define as __gcc_CMPtype.
99
100 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
101
102         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
103         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
104
105 2009-04-17  Richard Guenther  <rguenther@suse.de>
106
107         PR tree-optimization/39746
108         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
109         special-casing for builtins and static variable use/def.
110         (call_may_clobber_ref_p_1): Likewise.
111
112 2009-04-16  Ian Lance Taylor  <iant@google.com>
113
114         * df.h: Include "timevar.h".
115         (struct df_problem): Change tv_id field to timevar_id_t.
116         * tree-pass.h: Include "timevar.h".
117         (struct opt_pass): Change tv_id field to timevar_id_t.
118         * timevar.h (timevar_id_t): Define TV_NONE.
119         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
120         TV_NONE rather than tv_id != 0.
121         (execute_one_pass): Likewise.
122         * Makefile.in (DF_H): Add $(TIMEVAR_H).
123         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
124         dependencies to $(TREE_PASS_H).
125         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
126         to TV_NONE.
127         (pass_branch_target_load_optimize2): Likewise.
128         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
129         (pass_outof_cfg_layout_mode): Likewise.
130         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
131         (pass_rebuild_cgraph_edges): Likewise.
132         (pass_remove_cgraph_callee_edges): Likewise.
133         * df-core.c (pass_df_initialize_opt): Likewise.
134         (pass_df_initialize_no_opt): Likewise.
135         (pass_df_finish): Likewise.
136         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
137         * except.c (pass_set_nothrow_function_flags): Likewise.
138         (pass_convert_to_eh_region_ranges): Likewise.
139         * final.c (pass_compute_alignments): Likewise.
140         * function.c (pass_instantiate_virtual_regs): Likewise.
141         (pass_init_function): Likewise.
142         (pass_leaf_regs): Likewise.
143         (pass_match_asm_constraints): Likewise.
144         * gimple-low.c (pass_lower_cf): Likewise.
145         (pass_mark_used_blocks): Likewise.
146         * init-regs.c (pass_initialize_regs): Likewise.
147         * integrate.c (pass_initial_value_sets): Likewise.
148         * ira.c (pass_ira): Likewise.
149         * jump.c (pass_cleanup_barriers): Likewise.
150         * omp-low.c (pass_expand_omp): Likewise.
151         (pass_lower_omp): Likewise.
152         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
153         * recog.c (pass_split_all_insns): Likewise.
154         (pass_split_after_reload): Likewise.
155         (pass_split_before_regstack): Likewise.
156         (pass_split_before_sched2): Likewise.
157         (pass_split_for_shorten_branches): Likewise.
158         * reginfo.c (pass_reginfo_init): Likewise.
159         (pass_subregs_of_mode_init): Likewise.
160         (pass_subregs_of_mode_finish): Likewise.
161         * passes.c (pass_postreload): Likewise.
162         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
163         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
164         (pass_warn_function_return): Likewise.
165         (pass_warn_function_noreturn): Likewise.
166         * tree-complex.c (pass_lower_complex): Likewise.
167         (pass_lower_complex_O0): Likewise.
168         * tree-if-conv.c (pass_if_conversion): Likewise.
169         * tree-into-ssa.c (pass_build_ssa): Likewise.
170         * tree-mudflap.c (pass_mudflap_1): Likewise.
171         (pass_mudflap_2): Likewise.
172         * tree-nomudflap.c (pass_mudflap_1): Likewise.
173         (pass_mudflap_2): Likewise.
174         * tree-nrv.c (pass_return_slot): Likewise.
175         * tree-object-size.c (pass_object_sizes): Likewise.
176         * tree-optimize.c (pass_all_optimizations): Likewise.
177         (pass_early_local_passes): Likewise.
178         (pass_all_early_optimizations): Likewise.
179         (pass_cleanup_cfg): Likewise.
180         (pass_cleanup_cfg_post_optimizing): Likewise.
181         (pass_free_datastructures): Likewise.
182         (pass_free_cfg_annotations): Likewise.
183         (pass_fixup_cfg): Likewise.
184         (pass_init_datastructures): Likewise.
185         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
186         (pass_late_warn_uninitialized): Likewise.
187         (pass_update_address_taken): Likewise.
188         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
189         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
190         (pass_cse_sincos): Likewise.
191         (pass_convert_to_rsqrt): Likewise.
192         * tree-ssa-structalias.c (pass_build_alias): Likewise.
193         * tree-stdarg.c (pass_stdarg): Likewise.
194         * tree-tailcall.c (pass_tail_recursion): Likewise.
195         (pass_tail_calls): Likewise.
196         * tree-vect-generic.c (pass_lower_vector): Likewise.
197         (pass_lower_vector_ssa): Likewise.
198         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
199
200 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
201
202         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
203         XLR entry.
204         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
205         Handle -march=xlr.
206         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
207         logical and signext.
208
209 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
210
211         PR target/39767
212         * config/sh/predicates.md (arith_operand): Check if the operand
213         of TRUNCATE is a REG.
214
215 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
216
217         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
218         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
219
220 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
221
222         * tree-iterator.c (tsi_split_statement_list_after,
223         tsi_split_statement_list_before): Remove.
224         * tree-iterator.h: Remove the prototypes for
225         tsi_split_statement_list_after and tsi_split_statement_list_before.
226
227 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
228
229         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
230         * tree-ssa-propagate.h: Remove the prototype for
231         stmt_makes_single_load.
232
233 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
234
235         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
236         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
237
238 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
239
240         * tree-iterator.c (EXPR_LAST_BODY): Remove.
241
242 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
243
244         * except.c (eh_region_outer_p): Remove.
245         * except.h: Remove the prototype for eh_region_outer_p.
246
247 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
248
249         * function.c (current_function_assembler_name): Remove.
250         * function.h: Remove the prototype for
251         current_function_assembler_name.
252
253 2009-04-16  Ian Lance Taylor  <iant@google.com>
254
255         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
256         (add_reg_note): Call alloc_reg_note.
257         * rtl.h (alloc_reg_note): Declare.
258         * combine.c (try_combine): Use alloc_reg_note.
259         (recog_for_combine, move_deaths): Likewise.
260         (distribute_notes): Use alloc_reg_note and add_reg_note.
261         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
262         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
263         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
264
265 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
266
267         PR rtl-optimization/39762
268         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
269         ira_may_move_out_cost): Add comments about way of their usage.
270         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
271         
272         * ira-conflicts.c (process_regs_for_copy): Use function
273         ira_get_register_move_cost instead of global
274         ira_register_move_cost.
275
276         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
277         color_pass, move_spill_restore, update_curr_costs): Ditto.
278
279         * ira-lives.c (process_single_reg_class_operands): Ditto.
280
281         * ira-emit.c (emit_move_list): Ditto.
282
283         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
284         (record_reg_classes): Ditto.  Use functions
285         ira_get_register_move_cost and ira_get_may_move_cost instead of
286         global vars ira_register_move_cost, ira_may_move_out_cost and
287         ira_may_move_in_cost.
288         (record_address_regs): Don't call ira_init_register_move_cost.
289         Use function ira_get_may_move_cost instead of global
290         ira_may_move_in_cost.
291         (process_bb_node_for_hard_reg_moves): Use function
292         ira_get_register_move_cost instead of global ira_register_move_cost.
293         (ira_costs): Don't call ira_init_register_move_cost.
294         
295 2009-04-16  Richard Guenther  <rguenther@suse.de>
296
297         * tree-cfg.c (verify_gimple_assign_binary):
298         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
299         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
300         (create_general_new_stmt): Note that this function is broken.
301
302 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
303
304         * common.opt (fhelp): Add Var(help_flag).
305         * gcc-plugin.h (plugin_info): Add help.
306         * plugin.c (plugin_name_args): Add help.
307         (register_plugin_info): Set plugin->help.
308         (print_help_one_plugin): New.
309         (print_plugins_help): New.
310         * plugin.h (print_plugins_help): New.
311         * toplev.c (toplev_main): Call print_plugins_help if needed.
312
313 2009-04-16  Richard Guenther  <rguenther@suse.de>
314
315         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
316         (gimple_ior_addresses_taken_1): New function.
317         (gimple_ior_addresses_taken): Likewise.
318         * gimple.h (struct gimple_statement_with_ops_base): Remove
319         addresses_taken member.
320         (gimple_ior_addresses_taken): Declare.
321         (gimple_addresses_taken, gimple_addresses_taken_ptr,
322         gimple_set_addresses_taken): Remove.
323         * ipa-reference.c (mark_address): New function.
324         (scan_stmt_for_static_refs): Use it for marking addresses taken.
325         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
326         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
327         (gimple_add_to_addresses_taken): Remove.
328         (get_tmr_operands): Call mark_address_taken.
329         (get_asm_expr_operands): Likewise.
330         (get_expr_operands): Likewise.
331         (build_ssa_operands): Do not clear the addresses_taken bitmap.
332         (free_stmt_operands): Do not free it.
333         * tree-ssa.c (delete_tree_ssa): Likewise.
334         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
335
336 2009-04-16  Richard Guenther  <rguenther@suse.de>
337
338         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
339         (walk_stmt_load_store_ops): Likewise.
340         * gimple.c (get_base_loadstore): New function.
341         (walk_stmt_load_store_addr_ops): Likewise.
342         (walk_stmt_load_store_ops): Likewise.
343         * ipa-pure-const.c (check_op): Simplify.
344         (check_load, check_store): New functions.
345         (check_stmt): Use walk_stmt_load_store_ops.
346         * ipa-reference.c (mark_load): Adjust signature.
347         (mark_store): Likewise.
348         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
349
350 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
351
352         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
353         (plugin_info): New.
354         * opts.c (common_handle_option): Don't call print_version.
355         * plugin.c (plugin_name_args): Add version.
356         (register_plugin_info): New.
357         (register_callback): Handle PLUGIN_INFO.
358         (try_init_one_plugin): New.
359         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
360         if failed to init.
361         (finalize_one_plugin): New.
362         (finalize_plugins): New.
363         (print_one_plugin): New.
364         (print_plugins_versions): New.
365         * plugin.h (print_plugins_versions): New.
366         (finalize_plugins): New.
367         * toplev.c (compile_file): Don't call initialize_plugins.
368         (print_version): Call print_plugins_versions.
369         (toplev_main): Call initialize_plugins. Print version if needed.
370         Call finalize_plugins.
371
372 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
373
374         * common.opt (fversion): New.
375         * gcc.c (print_version): New.
376         (process_command): Don't print the version. Just set print_version.
377         (main): Print version. Call subprocesses if print_version and
378         verbose_flag are set.
379         * opts.c (common_handle_option): Handle OPT_fversion.
380
381 2009-04-16  Richard Guenther  <rguenther@suse.de>
382             Ira Rosen  <irar@il.ibm.com>
383
384         PR tree-optimization/39698
385         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
386         type of the reduction variable.  Only generate the def if
387         it is needed.
388
389         * omp-low.c (expand_omp_for_generic): When converting to a pointer
390         make sure to first convert to an integer of the same precision.
391         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
392         the type of the evolution correctly in computing the new
393         induction variable base.
394
395 2009-04-16  Richard Guenther  <rguenther@suse.de>
396
397         PR middle-end/39625
398         * tree-cfg.c (make_blocks): Split statements with to-be
399         abnormal SSA names on the lhs.
400
401 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
402
403         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
404         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
405         * c-typeck.c (really_start_incremental_init): Likewise.
406         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
407         (TARGET_INITIALIZER): Remove it.
408         * target.h (struct target): Remove vector_opaque_p.
409         * tree.c (build_opaque_vector_type): New.
410         * tree.h (TYPE_VECTOR_OPAQUE): New.
411         (build_opaque_vector_type): Declare.
412         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
413         * config/rs6000/rs6000.c (build_opaque_vector_type,
414         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
415         (rs6000_init_builtins): Use build_opaque_vector_type for
416         opaque_V4SI_type_node.
417
418 2009-04-15  Catherine Moore  <clm@codesourcery.com>
419
420         * debug.h (set_name):  Declare.
421         * dwarf2out.c (dwarf2out_set_name): Declare.
422         (dwarf2_debug_hooks): Add set_name.
423         (find_AT_string): New.
424         (add_AT_string): Call find_AT_string.
425         (dwarf2out_set_name): New.
426         * cp/decl.c (grokdeclarator): Call set_name.
427         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
428         * debug.c (do_nothing_debug_hooks):  Likewise.
429         * dbxout.c (dbx_debug_hooks): Likewise.
430         * sdbout.c (sdb_debug_hooks): Likewise.
431
432 2009-04-15  Michael Eager <eager@eagercon.com>
433
434         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
435         reg for single-precision FPU.
436         * config/rs6000/rs6000.md (movsi_internal1): Only for
437         !TARGET_SINGLE_FPU.
438         (movsi_internal1_single): New. Add pattern to move SI values to/from
439         single-precision FP regs.
440
441 2009-04-15  Richard Guenther  <rguenther@suse.de>
442
443         * omp-low.c (lower_rec_input_clauses): Build correct address
444         expressions.
445         (expand_omp_for_generic): Fix multiplication type.
446         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
447         (generate_memset_zero): Fix types.
448         * tree-profile.c (prepare_instrumented_value): Correctly
449         widen a pointer.
450
451 2009-04-15  Ian Lance Taylor  <iant@google.com>
452
453         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
454         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
455         for -Wall and for -Wc++-compat.
456         (c_common_post_options): For C++, set warn_enum_compare if not
457         already set.
458         * c-tree.h (struct c_expr): Add field original_type.
459         (build_external_ref): Update declaration.
460         * c-parser.c (c_parser_braced_init): Set original_type.
461         (c_parser_initelt): Likewise.
462         (c_parser_expr_no_commas): Likewise.
463         (c_parser_conditional_expression): Likewise.
464         (c_parser_cast_expression): Likewise.
465         (c_parser_unary_expression): Likewise.  Pull setting of
466         original_code to top of function.
467         (c_parser_sizeof_expression): Set original_type.
468         (c_parser_alignof_expression): Likewise.
469         (c_parser_postfix_expression): Likewise.  Pull setting of
470         original_code to top of function.
471         (c_parser_postfix_expression_after_paren_type): Set original_type.
472         (c_parser_postfix_expression_after_primary): Likewise.
473         (c_parser_expression): Likewise.
474         * c-typeck.c (build_external_ref): Add type parameter.  Change all
475         callers.
476         (c_expr_sizeof_expr): Set original_type field.
477         (parser_build_unary_op): Likewise.
478         (parser_build_binary_op): Likewise.  Optionally warn about
479         comparisons of enums of different types.
480         (digest_init): Set original_type field.
481         (really_start_incremental_init): Likewise.
482         (push_init_level, pop_init_level): Likewise.
483         * doc/invoke.texi (Warning Options): -Wenum-compare now
484         supported in C.
485
486 2009-04-15  Richard Guenther  <rguenther@suse.de>
487
488         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
489         out a necessary conversion.
490         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
491         names we didn't value number.
492         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
493
494 2009-04-15  Richard Guenther  <rguenther@suse.de>
495
496         PR tree-optimization/39764
497         * tree-ssa-ccp.c (get_value): Canonicalize value with
498         canonicalize_float_value.
499
500 2009-04-15  Jan Hubicka  <jh@suse.cz>
501
502         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
503         Wrong version of patch.
504
505 2009-04-15  Jan Hubicka  <jh@suse.cz>
506
507         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
508
509 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
510
511         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
512         our distinct integral and vector types.
513
514 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
515
516         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
517         * init.c (build_vtbl_address): Remove call to assemble_external.
518
519 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
520
521         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
522         output for other floating point modes.
523
524 2009-04-14  Diego Novillo  <dnovillo@google.com>
525
526         * diagnostic.c (diagnostic_report_diagnostic): Do not
527         warn about loaded plugins for DK_ERROR and DK_WARNING.
528         * c-decl.c (declspecs_add_type): Move call to
529         invoke_plugin_callbacks ...
530         * c-parser.c (c_parser_declspecs): ... here.
531         * plugin.c (dump_active_plugins): Tidy output.
532
533 2009-04-14  Diego Novillo  <dnovillo@google.com>
534             Le-Chun Wu  <lcwu@google.com>
535
536         * configure.ac: Add --enable-plugin support.
537         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
538         * Makefile.in (PLUGIN_H): Define.
539         Export ENABLE_PLUGIN and GMPINC to site.exp.
540         Add PLUGINLIBS to link command.
541         Add/modify dependencies for plugin.o and files including plugin.h.
542         (plugin.o): New.
543         * config.in: Regenerate.
544         
545         * opts.c (common_handle_option): Handle OPT_fplugin_ and
546         OPT_fplugin_arg_.
547
548 2009-04-14  Le-Chun Wu  <lcwu@google.com>
549
550         * tree-pass.h (register_one_dump_file): Add a prototype for
551         register_one_dump_file.
552         * toplev.c (compile_file): Call initialize_plugins.
553         (do_compile): Call invoke_plugin_callbacks.
554         (toplev_main): Call invoke_plugin_callbacks.
555         * common.opt: Add -fplugin= and -fplugin-arg-.
556         * gcc-plugin.h: New public header file for plugins to include.
557         * plugin.c: New source file.
558         * plugin.h: New internal header file.
559         * passes.c (register_one_dump_file): Make it external.
560         
561         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
562
563 2009-04-14  Diego Novillo  <dnovillo@google.com>
564
565         * doc/plugins.texi: New.
566         * doc/gccint.texi: Add reference to Plugins chapter.
567         * doc/invoke.texi: Document -fplugin and -fplugin-arg
568         * diagnostic.c (diagnostic_report_diagnostic): Warn about
569         loaded plugins, if any.
570         * timevar.def (TV_PLUGIN_INIT): Define.
571         (TV_PLUGIN_RUN): Define.
572         * plugin.c: Include timevar.h
573         (plugins_active_p): New.
574         (dump_active_plugins): New.
575         (debug_active_plugins): New.
576
577 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
578
579         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
580         library paths.
581         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
582
583 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
584
585         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
586         the same as a minus without a shift.
587
588 2009-04-14  Nick Clifton  <nickc@redhat.com>
589
590         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
591         comparisons with small integers will always produce a short
592         branch.
593
594 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
595
596         Merge:
597         2008-12-19  Diego Novillo  <dnovillo@google.com>
598
599         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
600
601 2000-04-14  Richard Guenther  <rguenther@suse.de>
602
603         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
604         verification.
605         (verify_gimple_assign_binary): Likewise.  Handle shifts and
606         rotates correctly.
607         (verify_gimple_phi): Print the mismatched argument position.
608         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
609         Fix types.
610         (vect_update_init_of_dr): Likewise.
611         * matrix-reorg.c (transform_access_sites): Do what the
612         comment suggests.
613         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
614
615 2009-04-13  Michael Eager <eager@eagercon.com>
616
617         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
618         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
619         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
620         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
621         remove duplicate config
622
623 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
624
625         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
626         file_name:line_number type locator of the call site.
627         
628 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
629
630         * genautomata.c: Put blank after comma.
631         (automaton_decls): New.
632         (struct unit_usage): Add comments to member next.
633         (store_alt_unit_usage): Keep the list ordered.
634         (unit_present_on_list_p, equal_alternatives_p): New.
635         (check_regexp_units_distribution): Check units distribution
636         correctness correctly.
637         (main): Don't write automata if error is found.  Return correct
638         exit code.
639         
640         * config/m68k/cf.md (cfv4_ds): Remove.
641         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
642         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
643
644         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
645         power4-load-ext, power4-store, power4-store-update,
646         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
647         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
648         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
649         power4-sqrt, power4-isync): Modify reservation to make correct
650         unit distribution to automata.
651
652         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
653         power5-store-update, power5-two, power5-three, power5-lmul,
654         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
655         
656 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
657
658         * except.c (pass_set_nothrow_function_flags): Set name and add
659         TODO_dump_func.
660         (set_nothrow_function_flags): Mention in the dump file when
661         changing a function to nothrow.
662
663 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
664
665         PR/39066
666         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
667         instead of unsigned long.
668
669 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
670
671         * config/arm/arm.c (return_used_this_function): Remove.
672         (arm_output_function_prologue): Remove use of
673         return_used_this_function.
674         (output_return_instruction): Replace use of
675         return_used_this_function
676         by cfun->machine->return_used_this_function.
677         (arm_output_epilogue): Likewise.
678         (arm_output_function_epilogue): Likewise.
679         (thumb_unexpanded_epilogue): Likewise.
680         * config/arm/arm.h (struct machine_function):
681         New member return_used_this_function.
682
683 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
684
685         * doc/install.texi: Correct description of default directory for
686         --with-gxx-include-dir.
687
688 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
689
690         * fold-const.c (build_range_check): Properly deal with enumeral and
691         boolean base types.
692
693 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
694
695         * doc/invoke.texi (max_gcse_passes): Remove documentation.
696         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
697         * params.h (MAX_GCSE_PASSES): Remove.
698         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
699         in sequence.  Remove ability to run multiple passes.
700         (bypass_jumps): Report run as third CPROP pass.
701
702 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
703
704         PR middle-end/39651
705         * except.c (can_throw_external): Look at each insn in a SEQUENCE
706         when deciding whether the whole SEQUENCE can throw.
707
708 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
709
710         PR target/39740
711         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
712         offseted label references.
713
714 2009-04-11  Jan Hubicka  <jh@suse.cz>
715
716         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
717
718 2009-04-11  Richard Guenther  <rguenther@suse.de>
719
720         PR middle-end/39732
721         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
722         return variables as TREE_ADDRESSABLE.
723
724 2009-04-11  Richard Guenther  <rguenther@suse.de>
725
726         PR tree-optimization/39713
727         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
728         reference trees have SSA_NAME operands.
729
730 2009-04-11  Richard Guenther  <rguenther@suse.de>
731
732         PR c/39712
733         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
734         address expressions.
735
736 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
737
738         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
739         match changes in Cygwin 1.7
740         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
741         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
742
743 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
744
745         PR tree-optimization/39701
746         * doc/invoke.texi (Optimization Options): Document change in
747         meaning and initialization of -fdelete-null-pointer-checks.
748
749 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
750
751         PR middle-end/39701
752         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
753
754         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
755         here.
756
757         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
758
759 2009-04-10  Chao-ying Fu  <fu@mips.com>
760
761         * doc/tm.texi (Instruction Output): Document
762         TARGET_ASM_FINAL_POSTSCAN_INSN.
763         * target.h (final_postscan_insn): New field in asm_out.
764         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
765         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
766         * final.c (final_scan_insn): Call
767         targetm.asm_out.final_postscan_insn after outputting
768         an asm macro and a normal instruction.
769
770         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
771         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
772         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
773         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
774         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
775
776 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
777
778         PR middle-end/39701
779         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
780         variables as non-NULL even with -fdelete-null-pointer-checks.
781
782 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
783
784         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
785
786 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
787
788         PR target/39678
789         * config/i386/i386.c (classify_argument): Handle SCmode with
790         (bit_offset % 64) != 0.
791
792 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
793
794         * doc/invoke.texi (Optimize Options): Add cross-reference to
795         -Q --help=optimizers examples.
796
797 2009-04-10  Ben Elliston  <bje@au.ibm.com>
798
799         PR target/36800
800         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
801         regalign for the reg == fpr and TDmode case.
802
803 2009-04-09  David Ayers  <ayers@fsfe.org>
804
805         PR objc/29200
806         * objc/objc-act.c (warn_with_method): Remove helper function.
807         (check_duplicates): Call warning and inform directly.
808         (really_start_method): Likewise.
809
810 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
811
812         * expmed.c (expand_divmod): Always use a comparison for a division
813         by a large unsigned integer.
814
815         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
816         for things others than variables or functions as nonzero.
817
818 2009-04-09  Nick Clifton  <nickc@redhat.com>
819
820         * unwind-compat.c: Change copyright header to refer to version
821         3 of the GNU General Public License with version 3.1 of the
822         GCC Runtime Library Exception and to point readers at the
823         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
824         * config/alpha/crtfastmath.c: Likewise.
825         * config/alpha/linux-unwind.h: Likewise.
826         * config/alpha/qrnnd.asm: Likewise.
827         * config/alpha/vms-crt0-64.c: Likewise.
828         * config/alpha/vms-crt0.c: Likewise.
829         * config/alpha/vms-dwarf2.asm: Likewise.
830         * config/alpha/vms-dwarf2eh.asm: Likewise.
831         * config/alpha/vms-psxcrt0-64.c: Likewise.
832         * config/alpha/vms-psxcrt0.c: Likewise.
833         * config/alpha/vms_tramp.asm: Likewise.
834         * config/arc/initfini.c: Likewise.
835         * config/arc/lib1funcs.asm: Likewise.
836         * config/arm/bpabi-v6m.S: Likewise.
837         * config/arm/bpabi.S: Likewise.
838         * config/arm/bpabi.c: Likewise.
839         * config/arm/crti.asm: Likewise.
840         * config/arm/crtn.asm: Likewise.
841         * config/arm/ieee754-df.S: Likewise.
842         * config/arm/ieee754-sf.S: Likewise.
843         * config/arm/lib1funcs.asm: Likewise.
844         * config/arm/libunwind.S: Likewise.
845         * config/arm/linux-atomic.c: Likewise.
846         * config/arm/mmintrin.h: Likewise.
847         * config/arm/pr-support.c: Likewise.
848         * config/arm/unaligned-funcs.c: Likewise.
849         * config/arm/unwind-arm.c: Likewise.
850         * config/arm/unwind-arm.h: Likewise.
851         * config/avr/libgcc.S: Likewise.
852         * config/bfin/crti.s: Likewise.
853         * config/bfin/crtlibid.s: Likewise.
854         * config/bfin/crtn.s: Likewise.
855         * config/bfin/lib1funcs.asm: Likewise.
856         * config/bfin/linux-unwind.h: Likewise.
857         * config/cris/arit.c: Likewise.
858         * config/cris/cris_abi_symbol.c: Likewise.
859         * config/darwin-64.c: Likewise.
860         * config/darwin-crt2.c: Likewise.
861         * config/darwin-crt3.c: Likewise.
862         * config/darwin.h: Likewise.
863         * config/dbxelf.h: Likewise.
864         * config/dfp-bit.c: Likewise.
865         * config/dfp-bit.h: Likewise.
866         * config/elfos.h: Likewise.
867         * config/fixed-bit.c: Likewise.
868         * config/fixed-bit.h: Likewise.
869         * config/fp-bit.c: Likewise.
870         * config/fp-bit.h: Likewise.
871         * config/fr30/crti.asm: Likewise.
872         * config/fr30/crtn.asm: Likewise.
873         * config/fr30/lib1funcs.asm: Likewise.
874         * config/freebsd-spec.h: Likewise.
875         * config/frv/cmovd.c: Likewise.
876         * config/frv/cmovh.c: Likewise.
877         * config/frv/cmovw.c: Likewise.
878         * config/frv/frvbegin.c: Likewise.
879         * config/frv/frvend.c: Likewise.
880         * config/frv/lib1funcs.asm: Likewise.
881         * config/glibc-stdint.h: Likewise.
882         * config/h8300/clzhi2.c: Likewise.
883         * config/h8300/crti.asm: Likewise.
884         * config/h8300/crtn.asm: Likewise.
885         * config/h8300/ctzhi2.c: Likewise.
886         * config/h8300/fixunssfsi.c: Likewise.
887         * config/h8300/lib1funcs.asm: Likewise.
888         * config/h8300/parityhi2.c: Likewise.
889         * config/h8300/popcounthi2.c: Likewise.
890         * config/i386/ammintrin.h: Likewise.
891         * config/i386/att.h: Likewise.
892         * config/i386/avxintrin.h: Likewise.
893         * config/i386/biarch64.h: Likewise.
894         * config/i386/bmmintrin.h: Likewise.
895         * config/i386/cpuid.h: Likewise.
896         * config/i386/cross-stdarg.h: Likewise.
897         * config/i386/crtfastmath.c: Likewise.
898         * config/i386/crtprec.c: Likewise.
899         * config/i386/cygming-crtbegin.c: Likewise.
900         * config/i386/cygming-crtend.c: Likewise.
901         * config/i386/cygwin.asm: Likewise.
902         * config/i386/emmintrin.h: Likewise.
903         * config/i386/gmm_malloc.h: Likewise.
904         * config/i386/gthr-win32.c: Likewise.
905         * config/i386/i386.h: Likewise.
906         * config/i386/immintrin.h: Likewise.
907         * config/i386/linux-unwind.h: Likewise.
908         * config/i386/linux64.h: Likewise.
909         * config/i386/mm3dnow.h: Likewise.
910         * config/i386/mmintrin-common.h: Likewise.
911         * config/i386/mmintrin.h: Likewise.
912         * config/i386/nmmintrin.h: Likewise.
913         * config/i386/pmm_malloc.h: Likewise.
914         * config/i386/pmmintrin.h: Likewise.
915         * config/i386/smmintrin.h: Likewise.
916         * config/i386/sol2-c1.asm: Likewise.
917         * config/i386/sol2-ci.asm: Likewise.
918         * config/i386/sol2-cn.asm: Likewise.
919         * config/i386/sol2-gc1.asm: Likewise.
920         * config/i386/tmmintrin.h: Likewise.
921         * config/i386/unix.h: Likewise.
922         * config/i386/w32-unwind.h: Likewise.
923         * config/i386/wmmintrin.h: Likewise.
924         * config/i386/x86-64.h: Likewise.
925         * config/i386/x86intrin.h: Likewise.
926         * config/i386/xmmintrin.h: Likewise.
927         * config/ia64/crtbegin.asm: Likewise.
928         * config/ia64/crtend.asm: Likewise.
929         * config/ia64/crtfastmath.c: Likewise.
930         * config/ia64/crti.asm: Likewise.
931         * config/ia64/crtn.asm: Likewise.
932         * config/ia64/fde-glibc.c: Likewise.
933         * config/ia64/lib1funcs.asm: Likewise.
934         * config/ia64/linux-unwind.h: Likewise.
935         * config/ia64/quadlib.c: Likewise.
936         * config/ia64/unwind-ia64.c: Likewise.
937         * config/linux.h: Likewise.
938         * config/m32c/m32c-lib1.S: Likewise.
939         * config/m32c/m32c-lib2-trapv.c: Likewise.
940         * config/m32c/m32c-lib2.c: Likewise.
941         * config/m32r/initfini.c: Likewise.
942         * config/m68hc11/larith.asm: Likewise.
943         * config/m68hc11/m68hc11-crt0.S: Likewise.
944         * config/m68k/cf.md: Likewise.
945         * config/m68k/crti.s: Likewise.
946         * config/m68k/crtn.s: Likewise.
947         * config/m68k/lb1sf68.asm: Likewise.
948         * config/m68k/linux-unwind.h: Likewise.
949         * config/mcore/crti.asm: Likewise.
950         * config/mcore/crtn.asm: Likewise.
951         * config/mcore/lib1.asm: Likewise.
952         * config/mips/linux-unwind.h: Likewise.
953         * config/mips/loongson.h: Likewise.
954         * config/mips/mips16.S: Likewise.
955         * config/mmix/crti.asm: Likewise.
956         * config/mmix/crtn.asm: Likewise.
957         * config/pa/fptr.c: Likewise.
958         * config/pa/hpux-unwind.h: Likewise.
959         * config/pa/lib2funcs.asm: Likewise.
960         * config/pa/linux-atomic.c: Likewise.
961         * config/pa/linux-unwind.h: Likewise.
962         * config/pa/milli64.S: Likewise.
963         * config/pa/quadlib.c: Likewise.
964         * config/pa/stublib.c: Likewise.
965         * config/picochip/libgccExtras/adddi3.asm: Likewise.
966         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
967         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
968         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
969         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
970         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
971         * config/picochip/libgccExtras/divmod15.asm: Likewise.
972         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
973         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
974         * config/picochip/libgccExtras/longjmp.asm: Likewise.
975         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
976         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
977         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
978         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
979         * config/picochip/libgccExtras/setjmp.asm: Likewise.
980         * config/picochip/libgccExtras/subdi3.asm: Likewise.
981         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
982         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
983         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
984         * config/rs6000/750cl.h: Likewise.
985         * config/rs6000/altivec.h: Likewise.
986         * config/rs6000/biarch64.h: Likewise.
987         * config/rs6000/crtresfpr.asm: Likewise.
988         * config/rs6000/crtresgpr.asm: Likewise.
989         * config/rs6000/crtresxfpr.asm: Likewise.
990         * config/rs6000/crtresxgpr.asm: Likewise.
991         * config/rs6000/crtsavfpr.asm: Likewise.
992         * config/rs6000/crtsavgpr.asm: Likewise.
993         * config/rs6000/darwin-asm.h: Likewise.
994         * config/rs6000/darwin-fallback.c: Likewise.
995         * config/rs6000/darwin-fpsave.asm: Likewise.
996         * config/rs6000/darwin-ldouble.c: Likewise.
997         * config/rs6000/darwin-tramp.asm: Likewise.
998         * config/rs6000/darwin-unwind.h: Likewise.
999         * config/rs6000/darwin-vecsave.asm: Likewise.
1000         * config/rs6000/darwin-world.asm: Likewise.
1001         * config/rs6000/e500crtres32gpr.asm: Likewise.
1002         * config/rs6000/e500crtres64gpr.asm: Likewise.
1003         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1004         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1005         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1006         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1007         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1008         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1009         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1010         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1011         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1012         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1013         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1014         * config/rs6000/eabi-ci.asm: Likewise.
1015         * config/rs6000/eabi-cn.asm: Likewise.
1016         * config/rs6000/eabi.asm: Likewise.
1017         * config/rs6000/linux-unwind.h: Likewise.
1018         * config/rs6000/linux64.h: Likewise.
1019         * config/rs6000/paired.h: Likewise.
1020         * config/rs6000/paired.md: Likewise.
1021         * config/rs6000/ppc64-fp.c: Likewise.
1022         * config/rs6000/ppu_intrinsics.h: Likewise.
1023         * config/rs6000/rs6000.h: Likewise.
1024         * config/rs6000/si2vmx.h: Likewise.
1025         * config/rs6000/sol-ci.asm: Likewise.
1026         * config/rs6000/sol-cn.asm: Likewise.
1027         * config/rs6000/spe.h: Likewise.
1028         * config/rs6000/spu2vmx.h: Likewise.
1029         * config/rs6000/sysv4.h: Likewise.
1030         * config/rs6000/tramp.asm: Likewise.
1031         * config/rs6000/vec_types.h: Likewise.
1032         * config/s390/linux-unwind.h: Likewise.
1033         * config/s390/tpf-unwind.h: Likewise.
1034         * config/score/crti.asm: Likewise.
1035         * config/score/crtn.asm: Likewise.
1036         * config/sh/crt1.asm: Likewise.
1037         * config/sh/crti.asm: Likewise.
1038         * config/sh/crtn.asm: Likewise.
1039         * config/sh/divtab-sh4-300.c: Likewise.
1040         * config/sh/divtab-sh4.c: Likewise.
1041         * config/sh/divtab.c: Likewise.
1042         * config/sh/lib1funcs-4-300.asm: Likewise.
1043         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1044         * config/sh/lib1funcs.asm: Likewise.
1045         * config/sh/lib1funcs.h: Likewise.
1046         * config/sh/linux-atomic.asm: Likewise.
1047         * config/sh/linux-unwind.h: Likewise.
1048         * config/sh/shmedia.h: Likewise.
1049         * config/sh/sshmedia.h: Likewise.
1050         * config/sh/ushmedia.h: Likewise.
1051         * config/sparc/crtfastmath.c: Likewise.
1052         * config/sparc/linux-unwind.h: Likewise.
1053         * config/sparc/sol2-c1.asm: Likewise.
1054         * config/sparc/sol2-ci.asm: Likewise.
1055         * config/sparc/sol2-cn.asm: Likewise.
1056         * config/spu/divmodti4.c: Likewise.
1057         * config/spu/divv2df3.c: Likewise.
1058         * config/spu/float_disf.c: Likewise.
1059         * config/spu/float_unsdidf.c: Likewise.
1060         * config/spu/float_unsdisf.c: Likewise.
1061         * config/spu/float_unssidf.c: Likewise.
1062         * config/spu/mfc_multi_tag_release.c: Likewise.
1063         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1064         * config/spu/mfc_tag_release.c: Likewise.
1065         * config/spu/mfc_tag_reserve.c: Likewise.
1066         * config/spu/mfc_tag_table.c: Likewise.
1067         * config/spu/multi3.c: Likewise.
1068         * config/spu/spu_internals.h: Likewise.
1069         * config/spu/spu_intrinsics.h: Likewise.
1070         * config/spu/spu_mfcio.h: Likewise.
1071         * config/spu/vec_types.h: Likewise.
1072         * config/spu/vmx2spu.h: Likewise.
1073         * config/stormy16/stormy16-lib2.c: Likewise.
1074         * config/svr4.h: Likewise.
1075         * config/sync.c: Likewise.
1076         * config/v850/lib1funcs.asm: Likewise.
1077         * config/vxlib-tls.c: Likewise.
1078         * config/vxlib.c: Likewise.
1079         * config/vxworks-dummy.h: Likewise.
1080         * config/xtensa/crti.asm: Likewise.
1081         * config/xtensa/crtn.asm: Likewise.
1082         * config/xtensa/ieee754-df.S: Likewise.
1083         * config/xtensa/ieee754-sf.S: Likewise.
1084         * config/xtensa/lib1funcs.asm: Likewise.
1085         * config/xtensa/lib2funcs.S: Likewise.
1086         * config/xtensa/linux-unwind.h: Likewise.
1087         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1088         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1089         * coretypes.h: Likewise.
1090         * crtstuff.c: Likewise.
1091         * defaults.h: Likewise.
1092         * dwarf2.h: Likewise.
1093         * emutls.c: Likewise.
1094         * gbl-ctors.h: Likewise.
1095         * gcov-io.h: Likewise.
1096         * ginclude/float.h: Likewise.
1097         * ginclude/iso646.h: Likewise.
1098         * ginclude/stdarg.h: Likewise.
1099         * ginclude/stdbool.h: Likewise.
1100         * ginclude/stddef.h: Likewise.
1101         * ginclude/stdfix.h: Likewise.
1102         * ginclude/stdint-gcc.h: Likewise.
1103         * ginclude/tgmath.h: Likewise.
1104         * gthr-aix.h: Likewise.
1105         * gthr-dce.h: Likewise.
1106         * gthr-gnat.c: Likewise.
1107         * gthr-gnat.h: Likewise.
1108         * gthr-lynx.h: Likewise.
1109         * gthr-mipssde.h: Likewise.
1110         * gthr-nks.h: Likewise.
1111         * gthr-posix.c: Likewise.
1112         * gthr-posix.h: Likewise.
1113         * gthr-posix95.h: Likewise.
1114         * gthr-rtems.h: Likewise.
1115         * gthr-single.h: Likewise.
1116         * gthr-solaris.h: Likewise.
1117         * gthr-tpf.h: Likewise.
1118         * gthr-vxworks.h: Likewise.
1119         * gthr-win32.h: Likewise.
1120         * gthr.h: Likewise.
1121         * libgcc2.c: Likewise.
1122         * libgcc2.h: Likewise.
1123         * libgcov.c: Likewise.
1124         * tsystem.h: Likewise.
1125         * typeclass.h: Likewise.
1126         * unwind-c.c: Likewise.
1127         * unwind-compat.h: Likewise.
1128         * unwind-dw2-fde-compat.c: Likewise.
1129         * unwind-dw2-fde-darwin.c: Likewise.
1130         * unwind-dw2-fde-glibc.c: Likewise.
1131         * unwind-dw2-fde.c: Likewise.
1132         * unwind-dw2-fde.h: Likewise.
1133         * unwind-dw2.c: Likewise.
1134         * unwind-dw2.h: Likewise.
1135         * unwind-generic.h: Likewise.
1136         * unwind-pe.h: Likewise.
1137         * unwind-sjlj.c: Likewise.
1138         * unwind.inc: Likewise.
1139         * config/arm/neon-gen.ml: Change generated copyright header to
1140         refer to version 3 of the GNU General Public License with
1141         version 3.1 of the GCC Runtime Library Exception and to point
1142         readers at the COPYING3 and COPYING3.RUNTIME files and the
1143         FSF's license web page.
1144         * config/arm/arm_neon.h: Regenerate.
1145
1146 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1147
1148         * config/cris/cris.md: Change copyright header to refer to version
1149         3 of the GNU General Public License.
1150         * doc/install.texi2html: Change copyright header to refer to version
1151         3 of the GNU General Public License and to point readers at the
1152         COPYING3 file and the FSF's license web page.
1153         * config/vax/linux.h: Likewise.
1154
1155 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1156
1157         * config/i386/i386.md (cmpcc): New.
1158         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1159         (sync_compare_and_swap_cc*): Delete.
1160
1161         * config/s390/s390.c (s390_compare_emitted): Remove.
1162         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1163         s390_compare_emitted used to be handled.  Assert that modes match.
1164         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1165         refer to sync_compare_and_swap_ccsi.
1166         * config/s390/s390.h (s390_compare_emitted): Remove.
1167         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1168         instead of s390_compare_emitted.
1169         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1170         instead of s390_compare_emitted.
1171         * config/s390/s390.md (cmpcc): New.
1172         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1173         CC_REGNUM, do not pretend it's set.
1174         (sync_compare_and_swap_cc*): Delete.
1175         * config/s390/predicates.md (cc_reg_operand): New.
1176
1177         * expr.c (sync_compare_and_swap_cc): Delete.
1178         * optabs.h (sync_compare_and_swap_cc): Delete.
1179         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1180         is being used with can_compare_p.
1181         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1182         (find_cc_set): New.
1183         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1184         look for a MODE_CC set instead.  Use emit_store_flag.
1185         (expand_compare_and_swap_loop): Likewise, with some additional
1186         complication to avoid a force_reg when useless.  Use
1187         emit_cmp_and_jump_insns.
1188         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1189         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1190         sync_compare_and_swap documentation.
1191
1192 2009-04-09  Jan Hubicka  <jh@suse.cz>
1193
1194         * except.c (find_prev_try): Break out from ....
1195         (duplicate_eh_regions): ... here; properly update prev_try pointers
1196         when duplication part of tree.
1197         (dump_eh_tree): Improve dumping.
1198         (verify_eh_region): New.
1199         (verify_eh_tree): Use it.
1200
1201 2009-04-06  Richard Guenther  <rguenther@suse.de>
1202
1203         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1204         &ARRAY addresses by adjusting their types and prepending
1205         a conversion.
1206         * tree-cfg.c (verify_gimple_assign_single): Verify that
1207         addresses are correct.
1208
1209 2009-04-09  Richard Guenther  <rguenther@suse.de>
1210
1211         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1212         indices into an array reference if possible.
1213         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1214         Fold POINTER_PLUS_EXPR statements with invariant address.
1215
1216 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1217
1218         PR target/39634
1219         * config.gcc (powerpc64-*-linux*): Always build biarch.
1220
1221 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1222
1223         PR c/39613
1224         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1225         it and pedwarn if this results in an INTEGER_CST.
1226
1227 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1228
1229         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1230         text in MPFR section.
1231
1232 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1233
1234         * dwarf2out.c (class_scope_p): New static inline.
1235         (class_or_namespace_scope_p): Use it.
1236         (gen_variable_die): Use DW_TAG_member tag for static data member
1237         declarations instead of DW_TAG_variable.
1238
1239         PR middle-end/39573
1240         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1241         variables.
1242
1243 2009-04-08  Richard Guenther  <rguenther@suse.de>
1244
1245         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1246         valueize random data.
1247
1248 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1249
1250         * config.gcc (aix tm_file):  Add aix-stdint.h.
1251         (aix tm clause use_gcc_stdint):  Set to wrap.
1252         * config/rs6000/aix-stdint.h:  New file.
1253         
1254 2009-04-08  Richard Guenther  <rguenther@suse.de>
1255
1256         PR middle-end/36291
1257         * tree-dfa.c (add_referenced_var): Do not recurse into
1258         global initializers.
1259         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1260         exposed variables.
1261         (fold_const_aggregate_ref): Likewise.
1262
1263 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1264
1265         * recog.c (ordered_comparison_operator): New.
1266         * gensupport.c (std_preds): Add it.
1267         * doc/md.texi (Machine-Independent Predicates): Document it.
1268
1269 2009-04-08  Jan Hubicka  <jh@suse.cz>
1270
1271         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1272         * function.h (rtl_eh): Remove exception_handler_label_map.
1273         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1274         remove_exception_handler_label, for_each_eh_label_1): Remove.
1275         (rtl_remove_unreachable_regions): Remove.
1276         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1277         (find_exception_handler_labels): Don't build the hashtable.
1278         (maybe_remove_eh_handler): Remove.
1279         (for_each_eh_label): Rewrite to walk the tree.
1280         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1281         * except.h (maybe_remove_eh_handler): Remove.
1282         * passes.c (init_optimization_passes): Schedule second EH cleanup
1283         before out-of-ssa.
1284         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1285         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1286
1287 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1288
1289         * genoutput.c (validate_optab_operands): New.
1290         (gen_insn, gen_expand): Call it.
1291
1292         * genflags.c (gen_insn): Detect misused iterators.
1293         (main): Pass line_no to gen_insn, exit with status 1 on error.
1294
1295         * genextract.c (line_no): Make global.
1296         (VEC_safe_set_locstr): Change assertion to error message.
1297         (main): Exit with status 1 on error.
1298
1299 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1300
1301         PR c/39614
1302         PR c/39673
1303         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1304         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1305         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1306         * c-convert.c (convert): Do not call fold on results of conversion
1307         functions when the result is a C_MAYBE_CONST_EXPR.
1308         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1309         of __builtin_choose_expr.
1310         * c-typeck.c (remove_c_maybe_const_expr): New.
1311         (build_unary_op, build_conditional_expr, build_compound_expr,
1312         build_binary_op, c_objc_common_truthvalue_conversion): Call
1313         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1314         integer operands.
1315
1316 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1317
1318         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1319         CODE to produce a new one. Add a prototype to use fold_convert_const
1320
1321 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1322
1323         PR bootstrap/39660
1324         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1325         mix declarations and code.
1326
1327 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1328
1329         * gcc.c: Replace `CC' with `GCC' throughout.
1330
1331 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1332
1333         * doc/invoke.texi: Document Atom support.
1334
1335 2009-04-07  Jason Merrill  <jason@redhat.com>
1336
1337         PR c++/25185
1338         * c-common.h, c-common.c: Add flag_pretty_templates.
1339         * c-opts.c (c_common_handle_option): Set it.
1340         * c.opt: Add -fno-pretty-templates.
1341         * doc/invoke.texi (C++ Dialect Options): Likewise.
1342
1343 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1344
1345         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1346         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1347         (ia64_expand_builtin): Likewise.
1348
1349 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1350
1351         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1352         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1353         ADDR_EXPRS are include too.
1354
1355 2009-04-07  Richard Guenther  <rguenther@suse.de>
1356
1357         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1358         decls are only used if passes as parameters or if they are
1359         local statics and the call is not to a builtin.
1360         (call_may_clobber_ref_p_1): Likewise.
1361
1362 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1363
1364         * expr.c (do_store_flag): Remove last argument.  Simplify code
1365         to avoid duplication of tests already done by can_compare_p.
1366         (expand_expr_real_1): Adjust caller.
1367
1368 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1369
1370         * optabs.c (can_compare_p): Test the predicate of a
1371         cbranch and cstore pattern.
1372
1373 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1374
1375         * expr.c (convert_move): Use emit_store_flag instead of
1376         "emulating" it.
1377
1378 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1379
1380         * config/i386/i386.c (ix86_compare_emitted): Remove.
1381         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1382         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1383         * config/i386/i386.h (ix86_compare_emitted): Remove.
1384         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1385         instead of ix86_compare_emitted.
1386         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1387
1388 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1389
1390         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1391         Add t-sysroot-suffix to tmake_file.
1392         * config/print-sysroot-suffix.sh: New file.
1393         * config/t-sysroot-suffix: New file.
1394
1395 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1396
1397         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1398         as the latter produces a warning when the target does not support
1399         infinity.
1400
1401 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1402
1403         * dfp.c: Replace type punning assignments with memcpy throughout.
1404         * Makefile.in (dfp.o-warn): Remove.
1405         
1406 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1407
1408         PR target/39634
1409         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1410         Include soft-fp/t-softfp after rs6000/t-linux64.
1411
1412 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1413
1414         * stor-layout.c (set_sizetype): Use the full precision of their
1415         machine mode for bitsize types.
1416
1417 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1418
1419         * config/i386/i386.md: Revert 2 accidental checkins.
1420
1421 2009-04-06  Joey Ye  <joey.ye@intel.com>
1422             Xuepeng Guo <xuepeng.guo@intel.com>
1423             H.J. Lu  <hongjiu.lu@intel.com>
1424
1425         Atom pipeline model, tuning and insn selection.
1426         * config.gcc (atom): Add atom config options and target.
1427
1428         * config/i386/atom.md: New.
1429
1430         * config/i386/i386.c (atom_cost): New cost.
1431         (m_ATOM): New macro flag.
1432         (initial_ix86_tune_features): Set m_ATOM.
1433         (x86_accumulate_outgoing_args): Likewise.
1434         (x86_arch_always_fancy_math_387): Likewise.
1435         (processor_target): Add Atom cost.
1436         (cpu_names): Add Atom cpu name.
1437         (override_options): Set Atom ISA.
1438         (ix86_issue_rate): New case PROCESSOR_ATOM.
1439         (ix86_adjust_cost): Likewise.
1440
1441         * config/i386/i386.h (TARGET_ATOM): New target macro.
1442         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1443         (TARGET_OPT_AGU): New target option.
1444         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1445         (processor_type): Add PROCESSOR_ATOM.
1446
1447         * config/i386/i386.md (cpu): Add new value "atom".
1448         (use_carry, movu): New attr.
1449         (atom.md): Include atom.md.
1450         (adddi3_carry_rex64): Set attr "use_carry".
1451         (addqi3_carry): Likewise.
1452         (addhi3_carry): Likewise.
1453         (addsi3_carry): Likewise.
1454         (*addsi3_carry_zext): Likewise.
1455         (subdi3_carry_rex64): Likewise.
1456         (subqi3_carry): Likewise.
1457         (subhi3_carry): Likewise.
1458         (subsi3_carry): Likewise.
1459         (x86_movdicc_0_m1_rex64): Likewise.
1460         (*x86_movdicc_0_m1_se): Likewise.
1461         (x86_movsicc_0_m1): Likewise.
1462         (*x86_movsicc_0_m1_se): Likewise.
1463         (*adddi_1_rex64): Emit add insn as much as possible.
1464         (*addsi_1): Likewise.
1465         (return_internal): Set atom_unit.
1466         (return_internal_long): Likewise.
1467         (return_pop_internal): Likewise.
1468         (*rcpsf2_sse): Set atom_sse_attr attr.
1469         (*qrt<mode>2_sse): Likewise.
1470         (*prefetch_sse): Likewise.
1471
1472         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1473         PROCESSOR_ATOM.
1474         (ix86_target_macros_internal): Likewise.
1475
1476         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1477         (*prefetch_sse_rex): Likewise.
1478         (sse_rcpv4sf2): Likewise.
1479         (sse_vmrcpv4sf2): Likewise.
1480         (sse_sqrtv4sf2): Likewise.
1481         (<sse>_vmsqrt<mode>2): Likewise.
1482         (sse_ldmxcsr): Likewise.
1483         (sse_stmxcsr): Likewise.
1484         (*sse_sfence): Likewise.
1485         (sse2_clflush): Likewise.
1486         (*sse2_mfence): Likewise.
1487         (*sse2_lfence): Likewise.
1488         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1489         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1490         (avx_movdqu<avxmodesuffix>): Likewise.
1491         (avx_lddqu<avxmodesuffix>): Likewise.
1492         (sse2_movntv2di): Change attr "type" to "ssemov".
1493         (sse2_movntsi): Likewise.
1494         (rsqrtv8sf2): Change attr "type" to "sseadd".
1495         (sse3_addsubv2df3): Set attr "atom_unit".
1496         (sse3_h<plusminus_insn>v4sf3): Likewise.
1497         (*sse2_pmaddwd): Likewise.
1498         (*vec_extractv2di_1_rex64): Likewise.
1499         (*vec_extractv2di_1_avx): Likewise.
1500         (sse2_psadbw): Likewise.
1501         (ssse3_phaddwv8hi3): Likewise.
1502         (ssse3_phaddwv4hi3): Likewise.
1503         (ssse3_phadddv4si3): Likewise.
1504         (ssse3_phadddv2si3): Likewise.
1505         (ssse3_phaddswv8hi3): Likewise.
1506         (ssse3_phaddswv4hi3): Likewise.
1507         (ssse3_phsubwv8hi3): Likewise.
1508         (ssse3_phsubwv4hi3): Likewise.
1509         (ssse3_phsubdv4si3): Likewise.
1510         (ssse3_phsubdv2si3): Likewise.
1511         (ssse3_phsubswv8hi3): Likewise.
1512         (ssse3_phsubswv4hi3): Likewise.
1513         (ssse3_pmaddubsw128): Likewise.
1514         (sse3_pmaddubsw: Likewise.
1515         (ssse3_palignrti): Likewise.
1516         (ssse3_palignrdi): Likewise.
1517
1518 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1519
1520         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1521
1522 2009-04-06  Richard Guenther  <rguenther@suse.de>
1523
1524         PR tree-optimization/28868
1525         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1526         of which PHI results we inserted.
1527         (insert_into_preds_of_block): Record inserted PHIs.
1528         (eliminate): Eliminate redundant PHI nodes.
1529         (init_pre): Init inserted_phi_names.
1530
1531 2009-04-06  Richard Guenther  <rguenther@suse.de>
1532
1533         PR tree-optimization/39643
1534         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1535         IMAGPART_EXPRs of complex constants.
1536         (execute_fold_all_builtins): If we folded a call queue
1537         TODO_update_address_taken.
1538
1539 2009-04-06  Jan Hubicka  <jh@suse.cz>
1540
1541         PR middle-end/39659
1542         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1543         flag.
1544
1545 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1546
1547         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1548         delay slot.
1549         (ic_invalidate_array): Likewise.
1550
1551 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1552
1553         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1554         alignment for library calls.
1555
1556 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1557
1558         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1559         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1560         * config/i386/mingw-stdint.h:  New file.
1561
1562 2009-04-05  Richard Guenther  <rguenther@suse.de>
1563
1564         PR tree-optimization/39648
1565         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1566         our &A vs. &A[0] IL deficiencies.
1567
1568 2009-04-04  Jan Hubicka  <jh@suse.cz>
1569
1570         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1571         removed toplevel regions.
1572         (sjlj_mark_call_sites): Likewise.
1573
1574 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1575
1576         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1577         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1578         * config/i386/cygwin-stdint.h:  New file.
1579
1580 2009-04-04  Richard Guenther  <rguenther@suse.de>
1581
1582         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1583         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1584         single-argument PHIs if we are in loop-closed SSA form.
1585         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1586         for the pre-condition.
1587         (slpeel_tree_peel_loop_to_edge): Likewise.
1588         (vect_build_loop_niters): Take an optional sequence to append stmts.
1589         (vect_generate_tmps_on_preheader): Likewise.
1590         (vect_do_peeling_for_loop_bound): Take extra guards for the
1591         pre-condition.
1592         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1593         the cost model check.
1594         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1595         guards if we are going to peel.  Do not apply versioning in that case.
1596         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1597         (vect_do_peeling_for_loop_bound): Likewise.
1598         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1599         loop bound only record extra pre-conditions, do not apply loop
1600         versioning.
1601
1602 2009-04-04  Richard Guenther  <rguenther@suse.de>
1603
1604         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1605         renaming code.
1606
1607 2009-04-04  Jan Hubicka  <jh@suse.cz>
1608
1609         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1610         last_basic_block for size of bb->index indexed array.
1611         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1612         compute_out, link_btr_uses, build_btr_def_use_webs,
1613         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1614
1615 2009-04-04  Jan Hubicka  <jh@suse.cz>
1616
1617         * except.c (remove_eh_handler_and_replace): Break out from ...
1618         (remove_eh_handler): ... here.
1619         (bring_to_root): New function.
1620         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1621         handled ones, bring others to root of tree.
1622
1623 2009-04-04  Jan Hubicka  <jh@suse.cz>
1624
1625         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1626         (all_phis_safe_to_merge): New function.
1627         (update_info): New structure.
1628         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1629         (cleanup_empty_eh): Update SSA if possible.
1630
1631 2009-04-04  Richard Guenther  <rguenther@suse.de>
1632
1633         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1634         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1635         (append_vuse): Likewise.
1636
1637 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1638
1639         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1640         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1641         instead of REG_UNSAVED for DW_CFA_undefined.
1642         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1643         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1644         outermost frame.
1645
1646 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1647
1648         PR target/39501
1649         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1650         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1651         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1652
1653 2009-04-04  Richard Guenther  <rguenther@suse.de>
1654
1655         PR tree-optimization/8781
1656         PR tree-optimization/37892
1657         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1658         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1659         (valueize_refs): Call it for *& valueizations.
1660         (shared_reference_ops_from_ref): Rename to ...
1661         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1662         (shared_reference_ops_from_call): Rename to ...
1663         (valueize_shared_reference_ops_from_call): ... this and valueize.
1664         (vn_reference_lookup): Update.
1665         (visit_reference_op_call): Likewise.
1666         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1667         (eliminate): Value-replace the call address in call statements.
1668
1669 2009-04-04  Richard Guenther  <rguenther@suse.de>
1670
1671         PR tree-optimization/39636
1672         * tree-ssa-forwprop.c
1673         (forward_propagate_addr_into_variable_array_index): Check for
1674         GIMPLE_ASSIGN before accessing the rhs code.
1675
1676 2009-04-03  Jason Merrill  <jason@redhat.com>
1677
1678         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1679
1680 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1681
1682         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1683         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1684         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1685         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1686         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1687         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1688         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1689         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1690         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1691         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1692         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1693         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1694         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1695         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1696         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1697         Use fr_reg_or_fp01_operand instead of fr_register_operand
1698
1699         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1700         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1701         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1702
1703 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1704
1705         PR rtl-optimization/39607
1706         PR rtl-optimization/39631
1707
1708         Revert:
1709         
1710         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1711         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1712         instead of DF_LR_OUT.
1713         * ira-lives.c (process_bb_node_lives): Ditto.
1714         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1715         instead of DF_LR_{OUT,IN}.
1716         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1717         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1718
1719 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1720
1721         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1722         (execute_lower_omp): Always run but take the short way out if -fopenmp
1723         is not given.
1724         (gate_lower_omp): Remove, forcing the pass manager to always run the
1725         pass and always set PROP_gimple_lomp.
1726         (pass_lower_omp): Remove gate function.
1727         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1728         PROP_trees.  Instead, require it.
1729         * ipa-cp.c (pass_ipa_cp): Likewise.
1730         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1731         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1732         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1733         and PROP_gimple_leh.
1734
1735 2009-04-03  Richard Guenther  <rguenther@suse.de>
1736
1737         PR middle-end/13146
1738         PR tree-optimization/23940
1739         PR tree-optimization/33237
1740         PR middle-end/33974
1741         PR middle-end/34093
1742         PR tree-optimization/36201
1743         PR tree-optimization/36230
1744         PR tree-optimization/38049
1745         PR tree-optimization/38207
1746         PR tree-optimization/38230
1747         PR tree-optimization/38301
1748         PR tree-optimization/38585
1749         PR middle-end/38895
1750         PR tree-optimization/38985
1751         PR tree-optimization/39299
1752         * tree-ssa-structalias.h: Remove.
1753         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1754         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1755         (struct vuse_element_d): Remove.
1756         (struct vuse_vec_d): Likewise.
1757         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1758         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1759         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1760         VUSE_ELEMENT_VAR): Likewise.
1761         (struct voptype_d): Likewise.
1762         (NUM_VOP_FREE_BUCKETS): Likewise.
1763         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1764         (struct stmt_operands_d): Remove.
1765         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1766         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1767         VDEF_NUM, VDEF_VECT): Likewise.
1768         (copy_virtual_operands): Remove.
1769         (operand_build_cmp): Likewise.
1770         (create_ssa_artificial_load_stmt): Likewise.
1771         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1772         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1773         vuse_index and mayuse_index members.  Pack and move done and iter_type
1774         members to the front.
1775         (SSA_OP_VMAYUSE): Remove.
1776         (SSA_OP_VIRTUAL_USES): Adjust.
1777         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1778         (unlink_stmt_vdef): Declare.
1779         (add_to_addressable_set): Remove.
1780         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1781         (vrp_visit_stmt): Likewise.
1782         * doc/tree-ssa.texi (Alias analysis): Update.
1783         * doc/invoke.texi (max-aliased-vops): Remove docs.
1784         (avg-aliased-vops): Likewise.
1785         * tree-into-ssa.c (syms_to_rename): Remove.
1786         (need_to_update_vops_p): Likewise.
1787         (need_to_initialize_update_ssa_p): Rename to ...
1788         (update_ssa_initialized_fn): ... this.  Track function we are
1789         initialized for.
1790         (symbol_marked_for_renaming): Simplify.
1791         (add_new_name_mapping): Do not set need_to_update_vops_p.
1792         (dump_currdefs): Use SYMS_TO_RENAME.
1793         (rewrite_update_stmt): Always walk all uses/defs.
1794         (dump_update_ssa): Adjust.
1795         (init_update_ssa): Take function argument.  Track what we are
1796         initialized for.
1797         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1798         (create_new_def_for): Initialize for cfun, assert we are initialized
1799         for cfun.
1800         (mark_sym_for_renaming): Simplify.
1801         (mark_set_for_renaming): Do not initialize update-ssa.
1802         (need_ssa_update_p): Simplify.  Take function argument.
1803         (name_mappings_registered_p): Assert we ask for the correct function.
1804         (name_registered_for_update_p): Likewise.
1805         (ssa_names_to_replace): Likewise.
1806         (release_ssa_name_after_update_ssa): Likewise.
1807         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1808         (dump_decl_set): Do not print a newline.
1809         (debug_decl_set): Do it here.
1810         (dump_update_ssa): And here.
1811         * tree-ssa-loop-im.c (move_computations): Adjust.
1812         (movement_possibility): Likewise.
1813         (determine_max_movement): Likewise.
1814         (gather_mem_refs_stmt): Likewise.
1815         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1816         or NAME_MEMORY_TAG.
1817         * tree-complex.c (update_all_vops): Remove.
1818         (expand_complex_move): Adjust.
1819         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1820         Simplify test for memory referencing statement.  Exclude
1821         non-invariant ADDR_EXPRs.
1822         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1823         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1824         (rdg_flag_uses): Likewise.
1825         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1826         related code.
1827         (tree_optimize_tail_calls_1): Also split the
1828         edge from the entry block if we have degenerate PHI nodes in
1829         the first basic block.
1830         * tree.c (init_ttree): Remove memory-tag related code.
1831         (tree_code_size): Likewise.
1832         (tree_node_structure): Likewise.
1833         (build7_stat): Re-write to be build6_stat.
1834         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1835         (SSA_VAR_P): Adjust.
1836         (struct tree_memory_tag): Remove.
1837         (struct tree_memory_partition_tag): Likewise.
1838         (union tree_node): Adjust.
1839         (build7): Re-write to be build6.
1840         * tree-pass.h (pass_reset_cc_flags): Remove.
1841         (TODO_update_address_taken): New flag.
1842         (pass_simple_dse): Remove.
1843         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1844         * params.h (MAX_ALIASED_VOPS): Remove.
1845         (AVG_ALIASED_VOPS): Likewise.
1846         * omp-low.c (expand_omp_taskreg): Update SSA form.
1847         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1848         aliases the lhs in a copy stmt.
1849         * tree-ssa-dse.c (struct address_walk_data): Remove.
1850         (memory_ssa_name_same): Likewise.
1851         (memory_address_same): Likewise.
1852         (get_kill_of_stmt_lhs): Likewise.
1853         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1854         unused stores.  Look through PHI nodes into post-dominated regions.
1855         (dse_optimize_stmt): Simplify.  Properly remove stores.
1856         (tree_ssa_dse): Compute dominators.
1857         (execute_simple_dse): Remove.
1858         (pass_simple_dse): Likewise.
1859         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1860         gimple_loaded_syms and gimple_stored_syms computation.
1861         * toplev.c (dump_memory_report): Dump alias and pta stats.
1862         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1863         (vn_reference_eq): Likewise.
1864         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1865         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1866         valueize_vuses): Remove.
1867         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1868         (get_def_ref_stmt_vuse): ... this.
1869         (vn_reference_lookup_2): New function.
1870         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1871         walking equivalent vuses.  Simplify.
1872         (vn_reference_lookup): Likewise.
1873         (vn_reference_insert): Likewise.
1874         (vn_reference_insert_pieces): Likewise.
1875         (visit_reference_op_call): Simplify.
1876         (visit_reference_op_load): Likewise.
1877         (visit_reference_op_store): Likewise.
1878         (init_scc_vn): Remove shared_lookup_vuses initialization.
1879         (free_scc_vn): Remove shared_lookup_vuses freeing.
1880         (sort_vuses, sort_vuses_heap): Remove.
1881         (get_ref_from_reference_ops): Export.
1882         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1883         vector with single vuse pointer.
1884         (vn_reference_lookup_pieces, vn_reference_lookup,
1885         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1886         (shared_vuses_from_stmt): Remove.
1887         (get_ref_from_reference_ops): Declare.
1888         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1889         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1890         memory-tag related code.
1891         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1892         (likely_value): Add comment, skip static-chain of call statements.
1893         (surely_varying_stmt_p): Adjust.
1894         (gimplify_and_update_call_from_tree): Likewise.
1895         (execute_fold_all_builtins): Do not rebuild alias info.
1896         (gimplify_and_update_call_from_tree): Properly update VOPs.
1897         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1898         (copy_ref_info): Remove memory-tag related code.
1899         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1900         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1901         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1902         computation.
1903         * tree-ssa-dom.c (gimple_p): Remove typedef.
1904         (eliminate_redundant_computations): Adjust.
1905         (record_equivalences_from_stmt): Likewise.
1906         (avail_expr_hash): Likewise.
1907         (avail_expr_eq): Likewise.
1908         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1909         (stmt_makes_single_load): Likewise.
1910         (stmt_makes_single_store): Likewise.
1911         * tree-ssa-alias.c: Rewrite completely.
1912         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1913         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1914         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1915         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1916         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1917         Remove public functions.
1918         (pass_reset_cc_flags): Remove.
1919         (pass_build_alias): Move ...
1920         * tree-ssa-structalias.c (pass_build_alias): ... here.
1921         * tree-ssa-alias.c (may_be_aliased): Move ...
1922         * tree-flow-inline.h (may_be_aliased): ... here.
1923         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1924         count_uses_and_derefs): Move ...
1925         * gimple.c: ... here.
1926         * gimple.h (count_uses_and_derefs): Declare.
1927         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1928         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1929         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1930         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1931         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1932         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1933         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1934         New functions.
1935         * tree-dfa.c (refs_may_alias_p): Move ...
1936         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1937         * tree-ssa-alias.h: New file.
1938         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1939         (statement_sink_location): Likewise.
1940         * opts.c (decode_options): Do not adjust max-aliased-vops or
1941         avg-aliased-vops values.
1942         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1943         (TV_CALL_CLOBBER): Likewise.
1944         (TV_FLOW_SENSITIVE): Likewise.
1945         (TV_FLOW_INSENSITIVE): Likewise.
1946         (TV_MEMORY_PARTITIONING): Likewise.
1947         (TV_ALIAS_STMT_WALK): New timevar.
1948         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1949         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1950         (get_address_description): Remove memory-tag related code.
1951         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1952         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1953         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1954         and immediate uses in statements.  Document.
1955         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1956         (dump_symbols): Remove.
1957         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1958         * alias.c (get_deref_alias_set): New function split out from ...
1959         (get_alias_set): ... here.
1960         * alias.h (get_deref_alias_set): Declare.
1961         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1962         type parameter.  Remove restrict pointer handling.  Create a
1963         ref-all pointer in case type-based alias sets do not conflict.
1964         (vect_analyze_data_refs): Remove SMT related code.
1965         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1966         (vectorizable_load): Likewise.
1967         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1968         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1969         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1970         Ignore vops and SMTs.
1971         (dr_analyze_alias): Likewise..
1972         (free_data_ref): Likewise.
1973         (create_data_ref): Likewise.
1974         (analyze_all_data_dependences): Likewise.
1975         (get_references_in_stmt): Adjust.
1976         * tree-flow-inline.h (gimple_aliases_computed_p,
1977         gimple_addressable_vars, gimple_call_clobbered_vars,
1978         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1979         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1980         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1981         gimple_mem_ref_stats): Remove.
1982         (gimple_vop): New function.
1983         (op_iter_next_use): Remove vuses and mayuses cases.
1984         (op_iter_next_def): Remove vdefs case.
1985         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1986         (clear_and_done_ssa_iter): Do not set removed fields.
1987         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1988         Assert we are not iterating over vuses or vdefs if not also
1989         iterating over uses or defs.
1990         (op_iter_init_use): Likewise.
1991         (op_iter_init_def): Likewise.
1992         (op_iter_next_vdef): Remove.
1993         (op_iter_next_mustdef): Likewise.
1994         (op_iter_init_vdef): Likewise.
1995         (compare_ssa_operands_equal): Likewise.
1996         (link_use_stmts_after): Handle vuse operand.
1997         (is_call_used): Use is_call_clobbered.
1998         (is_call_clobbered): Global variables are always call clobbered,
1999         query the call-clobbers bitmap.
2000         (mark_call_clobbered): Ignore global variables.
2001         (clear_call_clobbered): Likewise.
2002         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2003         virtual operands sanity check.
2004         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2005         Remove.
2006         (TARGET_MEM_REF): Remove TMR_TAG operand.
2007         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2008         Remove call-clobber related code.
2009         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2010         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2011         partitions or escape reason.
2012         (get_single_def_stmt, get_single_def_stmt_from_phi,
2013         get_single_def_stmt_with_phi): Remove.
2014         (dump_referenced_vars): Tidy.
2015         (get_ref_base_and_extent): Allow bare decls.
2016         (collect_dfa_stats): Adjust.
2017         * graphite.c (rename_variables_in_stmt): Adjust.
2018         (graphite_copy_stmts_from_block): Likewise.
2019         (translate_clast): Likewise.
2020         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2021         (EXPR_DIES): New.
2022         (translate_vuse_through_block): Use the oracle.
2023         (phi_translate_1): Adjust.
2024         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2025         in EXPR_DIES.
2026         (valid_in_sets): Check if the VUSE for
2027         a REFERENCE is available.
2028         (eliminate): Do not remove stmts during elimination,
2029         instead queue and remove them afterwards.
2030         (do_pre): Do not rebuild alias info.
2031         (pass_pre): Run TODO_rebuild_alias before PRE.
2032         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2033         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2034         (mark_all_v_defs_stmt): Remove.
2035         (mark_all_v_defs_seq): Adjust.
2036         (sra_replace): Likewise.
2037         (scalarize_use): Likewise.
2038         (scalarize_copy): Likewise.
2039         (scalarize_init): Likewise.
2040         (scalarize_ldst): Likewise.
2041         (todoflags): Remove.
2042         (tree_sra): Do not rebuild alias info.
2043         (tree_sra_early): Adjust.
2044         (pass_sra): Run TODO_update_address_taken before SRA.
2045         * tree-predcom.c (set_alias_info): Remove.
2046         (prepare_initializers_chain): Do not call it.
2047         (mark_virtual_ops_for_renaming): Adjust.
2048         (mark_virtual_ops_for_renaming_list): Remove.
2049         (initialize_root_vars): Adjust.
2050         (initialize_root_vars_lm): Likewise.
2051         (prepare_initializers_chain): Likewise.
2052         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2053         (may_propagate_copy_into_stmt): Likewise.
2054         (merge_alias_info): Do nothing for now.
2055         (propagate_tree_value_into_stmt): Adjust.
2056         (stmt_may_generate_copy): Likewise.
2057         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2058         not mark symbols for renaming.
2059         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2060         with the same statement, make sure to update the new pointed-to one.
2061         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2062         call statements, do not mark symbols for renaming.
2063         (mark_operand_necessary): Dump something.
2064         (ref_may_be_aliased): New function.
2065         (mark_aliased_reaching_defs_necessary_1): New helper function.
2066         (mark_aliased_reaching_defs_necessary): Likewise.
2067         (mark_all_reaching_defs_necessary_1): Likewise.
2068         (mark_all_reaching_defs_necessary): Likewise.
2069         (propagate_necessity): Do not process virtual PHIs.  For
2070         non-aliased loads mark all reaching definitions as necessary.
2071         For aliased loads and stores mark the immediate dominating
2072         aliased clobbers as necessary.
2073         (visited): New global static.
2074         (perform_tree_ssa_dce): Free visited bitmap after propagating
2075         necessity.
2076         (remove_dead_phis): Perform simple dead virtual PHI removal.
2077         (remove_dead_stmt): Properly unlink virtual operands when
2078         removing stores.
2079         (eliminate_unnecessary_stmts): Schedule PHI removal after
2080         stmt removal.
2081         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2082         (process_replaceable): Likewise.
2083         (find_replaceable_in_bb): Likewise.
2084         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2085         based on the single gimple vop.
2086         (verify_flow_insensitive_alias_info): Remove.
2087         (verify_flow_sensitive_alias_info): Likewise.
2088         (verify_call_clobbering): Likewise.
2089         (verify_memory_partitions): Likewise.
2090         (verify_alias_info): Likewise.
2091         (verify_ssa): Adjust..
2092         (execute_update_addresses_taken): Export.  Update SSA
2093         manually.  Optimize only when optimizing.  Use a local bitmap.
2094         (pass_update_address_taken): Remove TODO_update_ssa, add
2095         TODO_dump_func.
2096         (pass_update_address_taken): Just use TODO_update_address_taken.
2097         (init_tree_ssa): Do not initialize addressable_vars.
2098         (verify_ssa): Verify new VUSE / VDEF properties.
2099         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2100         Do not call verify_alias_info.
2101         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2102         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2103         and callused solutions.  Do not free addressable_vars.
2104         Remove memory-tag related code.
2105         (warn_uninitialized_var): Aliases are always available.
2106         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2107         * lambda-code.c (can_put_in_inner_loop): Adjust.
2108         (can_put_after_inner_loop): Likewise.
2109         (perfect_nestify): Likewise.
2110         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2111         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2112         (vectorizable_conversion): Do not mark symbols for renaming.
2113         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2114         (expand_call_inline): Unlink the calls virtual operands before
2115         replacing it.
2116         (tree_function_versioning): Do not call update_ssa if we are not
2117         updating clones.  Simplify.
2118         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2119         (propagate_with_phi): Likewise..
2120         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2121         clobber code.  Assert we are not aliased or global.
2122         * tree-flow.h: Include tree-ssa-alias.h
2123         (enum escape_type): Remove.
2124         (struct mem_sym_stats_d): Likewise.
2125         (struct mem_ref_stats_d): Likewise.
2126         (struct gimple_df): Add vop member.  Remove global_var,
2127         call_clobbered_vars, call_used_vars, addressable_vars,
2128         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2129         escaped and callused members.
2130         (struct ptr_info_def): Remove all members, add points-to solution
2131         member pt.
2132         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2133         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2134         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2135         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2136         (tree-ssa-alias.o): Likewise.
2137         (toplev.o): Add tree-ssa-alias.h
2138         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2139         * gimple.c (gimple_set_bb): Fix off-by-one error.
2140         (is_gimple_reg): Do not handle memory tags.
2141         (gimple_copy): Also copy virtual operands.
2142         Delay updating the statement.  Do not reset loaded and stored syms.
2143         (gimple_set_stored_syms): Remove.
2144         (gimple_set_loaded_syms): Likewise.
2145         (gimple_call_copy_skip_args): Copy the virtual operands
2146         and mark the new statement modified.
2147         * tree-ssa-structalias.c (may_alias_p): Remove.
2148         (set_uids_in_ptset): Take the alias set to prune with as
2149         parameter.  Fold in the alias test of may_alias_p.
2150         (compute_points_to_sets): Compute whether a ptr is dereferenced
2151         in a local sbitmap.
2152         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2153         other ADDRESSOF constraints on the lhs.
2154         (get_constraint_for_component_ref): Assert that we don't get
2155         ADDRESSOF constraints from the base of the reference.
2156         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2157         (struct variable_info): Remove collapsed_to member.
2158         (get_varinfo_fc): Remove.
2159         (new_var_info): Do not set collapsed_to.
2160         (dump_constraint): Do not follow cycles.
2161         (dump_constraint_graph): Likewise.
2162         (build_pred_graph): Likewise.
2163         (build_succ_graph): Likewise.
2164         (rewrite_constraints): Likewise.
2165         (do_simple_structure_copy): Remove.
2166         (do_rhs_deref_structure_copy): Remove.
2167         (do_lhs_deref_structure_copy): Remove.
2168         (collapse_rest_of_var): Remove.
2169         (do_structure_copy): Re-implement.
2170         (pta_stats): New global variable.
2171         (dump_pta_stats): New function.
2172         (struct constraint_expr): Make offset signed.
2173         (UNKNOWN_OFFSET): Define special value.
2174         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2175         (solution_set_expand): New helper function split out from ...
2176         (do_sd_constraint): ... here.
2177         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2178         (do_ds_constraint): Likewise.
2179         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2180         and CALLUSED = *CALLUSED.
2181         (set_union_with_increment): Make inc argument signed.
2182         (type_safe): Remove.
2183         (get_constraint_for_ptr_offset): Handle unknown and negative
2184         constant offsets.
2185         (first_vi_for_offset): Handle offsets before start.  Bail
2186         out early for offsets beyond the variable extent.
2187         (first_or_preceding_vi_for_offset): New function.
2188         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2189         Together with ESCAPED = *ESCAPED this properly computes reachability.
2190         (find_what_var_points_to): New function.
2191         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2192         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2193         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2194         pt_solutions_intersect): New functions.
2195         (compute_call_used_vars): Remove.
2196         (compute_may_aliases): New main entry into PTA computation.
2197         * gimple.h (gimple_p): New typedef.
2198         (struct gimple_statement_base): Remove references_memory_p.
2199         (struct gimple_statement_with_memory_ops_base): Remove
2200         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2201         members.
2202         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2203         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2204         gimple_set_references_memory): Remove.
2205         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2206         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2207         New functions.
2208         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2209         (verify_expr): Allow RESULT_DECL.
2210         (gimple_duplicate_bb): Do not copy virtual operands.
2211         (gimple_duplicate_sese_region): Adjust.
2212         (gimple_duplicate_sese_tail): Likewise.
2213         (mark_virtual_ops_in_region): Remove.
2214         (move_sese_region_to_fn): Do not call it.
2215         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2216         and pass_simple_dse.
2217         (execute_function_todo): Handle TODO_update_address_taken,
2218         call execute_update_addresses_taken for TODO_rebuild_alias.
2219         (execute_todo): Adjust.
2220         (execute_one_pass): Init dump files early.
2221         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2222         call-clobbered.
2223         (create_general_new_stmt): Clear vops.
2224         * tree-ssa-reassoc.c (get_rank): Adjust.
2225         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2226         symbols for renaming.
2227         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2228         (PARAM_AVG_ALIASED_VOPS): Likewise.
2229         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2230         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2231         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2232         (operand_build_cmp, copy_virtual_operands,
2233         create_ssa_artificial_load_stmt, add_to_addressable_set,
2234         gimple_add_to_addresses_taken): Remove public functions.
2235         (unlink_stmt_vdef): New function.
2236
2237 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2238
2239         * config.gcc (powerpc-*-linux*): Merge variants.
2240
2241 2009-04-02  Chao-ying Fu  <fu@mips.com>
2242             James Grosbach <james.grosbach@microchip.com>
2243
2244         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2245         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2246         cop0_sp_offset.
2247         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2248         keep_interrupts_masked_p, use_debug_exception_return_p.
2249         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2250         keep_interrupts_masked, use_debug_exception_return.
2251         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2252         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2253         New functions.
2254         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2255         (mips_print_operand): Process COP0 registers to print $0 .. $31
2256         correctly for GAS to process.
2257         (mips_interrupt_extra_call_saved_reg_p): New function.
2258         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2259         extra registers.
2260         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2261         (mips_compute_frame_info): Add supports for interrupt context that
2262         includes doubleword accumulators and COP0 registers.
2263         (mips_for_each_saved_acc): New function.
2264         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2265         mips_for_each_saved_reg.
2266         (mips_save_reg): Save accumulators.
2267         (mips_kernel_reg_p): A new for_each_rtx callback.
2268         (mips_expand_prologue): Support interrupt handlers.
2269         (mips_restore_reg): Restore accumulators.
2270         (mips_expand_epilogue): Support interrupt handlers.
2271         (mips_can_use_return_insn): Return false for interrupt handlers.
2272         (mips_epilogue_uses): New function.
2273         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2274         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2275         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2276         cop0_move): New instructions.
2277         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2278         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2279         defines.
2280         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2281         New defines.
2282         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2283         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2284         interrupt handlers, we use K0 as the temporary register.
2285         (EPILOGUE_USES): Change to a function call.
2286         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2287         handlers, we use K0 as the temporary register.
2288         
2289         * doc/extend.texi (Function Attributes): Document interrupt,
2290         use_shadow_register_set, keep_interrupts_masked,
2291         use_debug_exception_return for MIPS attributes.
2292
2293 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2294
2295         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2296         Remove a number of t-files from tmake_file.
2297         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2298         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2299         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2300         target_prototype, not TARGET_PROTOTYPE.
2301         (LINK_OS_GNU_SPEC): Define.
2302         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2303         and darwin-ldoubdle.c.
2304
2305 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2306
2307         PR driver/39293
2308         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2309         (cpp_options): Ditto.
2310         (default_compilers): Ditto.
2311         (display_help): Ditto.
2312         (process_command): Ditto.
2313         (do_spec_1): Ditto.
2314         (set_input): Use lbasename instead of duplicate code.
2315         (save_temps_prefix): New static for -save-temps=obj.
2316         (save_temps_length): Ditto.
2317         
2318         * doc/invoke.texi (-save-temps=obj): Document new variant to
2319         -save-temps switch.
2320
2321 2009-04-02  Jeff Law  <law@redhat.com>
2322
2323         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2324         variable.
2325
2326 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2327
2328         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2329         * configure: Regenerated.
2330
2331 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2332
2333         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2334         share the argument list.
2335
2336 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2337
2338         Merge
2339
2340         2009-02-12  Diego Novillo  <dnovillo@google.com>
2341
2342         * varpool.c (debug_varpool): New.
2343         * cgraph.h (debug_varpool): Declare.
2344
2345 2009-04-02  Jan Hubicka  <jh@suse.cz>
2346
2347         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2348         pass.
2349
2350 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2351
2352         * config/i386/i386.c (ix86_abi): Move initialization to ...
2353         (override_options): Here.
2354
2355 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2356
2357         * config/sh/sh.c (sh_dwarf_register_span): New function.
2358         (TARGET_DWARF_REGISTER_SPAN): Define.
2359         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2360         
2361 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2362
2363         PR tree-optimization/39595
2364         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2365         interleaved loads group is not  greater than the SLP group size.
2366
2367 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2368
2369         * builtins.c (is_builtin_name): New.
2370         (called_as_built_in): Use is_builtin_name.
2371         * tree.h (is_builtin_name): New.
2372         * varasm.c (incorporeal_function_p): Use is_builtin_name
2373
2374 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2375
2376         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2377
2378 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2379
2380         PR c++/26693
2381         * c-decl.c (clone_underlying_type): Move this ...
2382         * c-common.c (set_underlying_type): ... here.
2383         Also, make sure the function properly sets TYPE_STUB_DECL() on
2384         the newly created typedef variant type.
2385         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2386         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2387         points.
2388
2389 2009-04-02  Richard Guenther  <rguenther@suse.de>
2390
2391         PR tree-optimization/37221
2392         * tree-flow.h (degenerate_phi_result): Declare.
2393         * tree-ssa-dom.c (degenerate_phi_result): Export.
2394         * tree-scalar-evolution.c (analyze_initial_condition): If
2395         the initial condition is defined by a degenerate PHI node
2396         use the degenerate value.
2397
2398 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2399
2400         PR rtl-optimization/39588
2401         * combine.c (merge_outer_ops): Do not set the constant when this
2402         is not necessary.
2403         (simplify_shift_const_1): Do not modify it either in this case.
2404
2405 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2406
2407         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2408         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2409
2410 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2411
2412         PR c/29027
2413         * c-lex.c (interpret_float): Default (no suffix) is double.
2414
2415 2009-04-1  Xinliang David Li  <davidxl@google.com>
2416
2417         * config/i386/i386.c (legitimate_constant_p): Recognize
2418         all one vector constant.
2419
2420 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2421
2422         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2423         Change #include order to silence two warnings.
2424
2425 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2426
2427         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2428         (ASM_SPEC): Pass -k to the assembler for PIC code.
2429
2430 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2431
2432         * gcc/config.gcc: Add vax-*-linux* to the switch.
2433         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2434         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2435
2436 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2437
2438         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2439         Use predicate macros instead of GET_CODE() == foo.
2440         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2441         ashlsi3, rotrsi3, <unnamed>): Likewise.
2442
2443 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2444
2445         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2446         jbbccihi, jbbccisi): Remova trailing whitespace.
2447         * gcc/config/vax/constraints.md: Likewise.
2448         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2449         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2450         * gcc/config/vax/predicates.md: Likewise.
2451         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2452         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2453         * gcc/config/vax/vax.h: Likewise.
2454         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2455
2456 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2457
2458         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2459         (indirectable_address_p, adjacent_operands_p): Add spaces around
2460         braces.
2461         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2462
2463 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2464
2465         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2466         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2467         index_term_p, reg_plus_index_p, legitimate_address_p,
2468         vax_mode_dependent_address_p): Update comments to match functions
2469         modified by the recent int->bool conversion.
2470
2471 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2472
2473         * gcc/config/vax/builtins.md: Update copyright message.
2474         * gcc/config/vax/constraints.md: Likewise.
2475         * gcc/config/vax/netbsd-elf.h: Likewise.
2476         * gcc/config/vax/predicates.md: Likewise.
2477         * gcc/config/vax/vax-protos.h: Likewise.
2478         * gcc/config/vax/vax.c: Likewise.
2479         * gcc/config/vax/vax.h: Likewise.
2480         * gcc/config/vax/vax.md: Likewise.
2481         * gcc/config/vax/vax.opt: Likewise.
2482
2483 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2484
2485         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2486         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2487         * gcc/config/vax/constraints.md (B, R): Likewise.
2488         * gcc/config/vax/predicates.md (external_memory_operand,
2489         nonimmediate_addsub_di_operand): Likewise.
2490         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2491         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2492         untyped_call): Likewise.
2493
2494 2009-04-01  Matt Thomas <matt@3am-software.com>
2495
2496         * config/vax/predicates.md: New file.
2497         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2498         external_const_operand, nonsymbolic_operand, external_memory_operand,
2499         indirect_memory_operand, indexed_memory_operand,
2500         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2501         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2502         predicate.
2503         * config/vax/constraints.md: New file.
2504         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2505         New constraint.
2506         * config/vax/builtins.md: New file.
2507         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2508         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2509         jbbccisi): Define.
2510         * config/vax/vax.opt (mqmath): Add option.
2511         * config/vax/vax.md (isfx): Extend with DI.
2512         (VAXintQH, VAXintQHSD): Define.
2513         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2514         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2515         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2516         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2517         (movdi): Update constraints and use vax_output_int_move().
2518         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2519         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2520         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2521         nonlocal_goto): New.
2522         (mov<mode>): Extend accepted operand types.
2523         (subdi3_old): Rename from subdi3, change update constraints and use
2524         a new implementation.
2525         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2526         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2527         MOVE_RATIO, CLEAR_RATIO): Define.
2528         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2529         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2530         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2531         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2532         (split_quadword_operands): Make static and really allow variable
2533         splitting.
2534         (print_operand_address): Update for PIC generation.
2535         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2536         indexable_address_p, fixup_mathdi_operand,
2537         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2538         (vax_float_literal, legitimate_constant_p,
2539         indirectable_constant_address_p, index_term_p,
2540         reg_plus_index_p): Return bool instead of int.
2541         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2542         where needed.
2543         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2544         generation.
2545         (vax_output_conditional_branch): Indent.
2546         (legitimate_constant_address_p, indirectable_constant_address_p,
2547         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2548         vax_mode_dependent_address_p): Return bool instead of int, update for
2549         PIC generation.
2550         * config/vax/vax-protos.h (legitimate_constant_address_p,
2551         legitimate_constant_p, legitimate_address_p,
2552         vax_mode_dependent_address_p): Change declaration to bool.
2553         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2554         vax_expand_addsub_di_operands, vax_output_int_subtract,
2555         vax_output_movmemsi): Declare.
2556         (split_quadword_operands, vax_float_literal): Delete declaration.
2557         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2558         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2559         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2560         ASM_OUTPUT_DWARF_PCREL): Define.
2561         (ASM_SPEC): Change definition to allow PIC generation.
2562
2563 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2564
2565         * doc/sourcebuild.texi: Update front-end requirements.
2566
2567 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR target/39226
2570         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2571         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2572         (booldi3_internal3): Use boolean_or_operator instead of
2573         boolean_operator.
2574
2575 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2576
2577         PR c/39605
2578         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2579         declarator whose size is not an integer constant expression but
2580         folds to an integer constant, then treat it as a constant
2581         subsequently.
2582
2583 2009-04-01  Richard Guenther  <rguenther@suse.de>
2584
2585         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2586         i * 4 + 2 to (i * 2 + 1) * 2.
2587
2588 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR c/37772
2591         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2592         return if c_parser_asm_string_literal returned NULL.
2593
2594 2009-04-01  Nick Clifton  <nickc@redhat.com>
2595
2596         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2597         already defined.
2598         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2599         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2600         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2601         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2602         include it.
2603         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2604         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2605         then include it.
2606
2607 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2608
2609         * varasm.c (default_function_rodata_section): Declare DOT as
2610         const char*.
2611
2612 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2613             Andrey Galkin <agalkin@hypercom.com>
2614
2615         PR/39492
2616         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2617         Make object_name unique for each process.
2618
2619 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2620
2621         PR other/39591
2622         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2623         addressable variables in the parallel that could go out of scope while
2624         running queued tasks.
2625
2626 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2627
2628         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2629         (CASE_VALUES_THRESHOLD): Redefine.
2630         * config/avr/avr.c (avr_override_options): Remove initialization of
2631         avr_case_values_threshold variable.
2632         (avr_case_values_threshold): Remove variable. Add new function.
2633         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2634         * config/avr/avr.opt (mno-tablejump): Remove option.
2635         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2636
2637 2009-04-01  DJ Delorie  <dj@redhat.com>
2638
2639         * varasm.c (default_function_rodata_section): Don't assume
2640         anything about where the first '.' in the section name is.
2641
2642 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2643
2644         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2645         rs6000_emit_stack_tie.
2646
2647 2009-03-31  Ian Lance Taylor  <iant@google.com>
2648
2649         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2650         gimple_code with GIMPLE_RESX, not RESX.
2651
2652 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2653
2654         * c-common.c (c_get_ident): New.
2655         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2656
2657 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2658
2659         * config/rs6000/sysv4.opt (msdata): Improve option description.
2660
2661 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2662
2663         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2664         (divdf3_internal_lat): Remove.
2665         (divxf3_internal_lat): Remove.
2666         (divxf3_internal_thr): Remove.
2667         (divxf): Use divxf3_internal.
2668         * config/ia64/div.md (divsf3_internal_lat): New.
2669         (divdf3_internal_lat): New.
2670         (divxf3_internal): New.
2671
2672 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2673
2674         PR c/448
2675         * Makefile.in (USE_GCC_STDINT): Define.
2676         (stmp-int-hdrs): Install stdint.h if applicable.
2677         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2678         if known.
2679         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2680         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2681         UINT8_TYPE, 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): Define.
2688         (c_common_nodes_and_builtins): Initialize
2689         underlying_wchar_type_node.  Do not initialize
2690         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2691         nodes for new types.
2692         (c_stddef_cpp_builtins): Define macros for new types.
2693         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2694         Remove.
2695         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2696         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2697         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2698         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2699         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2700         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2701         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2702         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2703         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2704         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2705         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2706         int16_type_node, int32_type_node, int64_type_node,
2707         uint8_type_node, uint16_type_node, c_uint32_type_node,
2708         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2709         int_least32_type_node, int_least64_type_node,
2710         uint_least8_type_node, uint_least16_type_node,
2711         uint_least32_type_node, uint_least64_type_node,
2712         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2713         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2714         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2715         uintptr_type_node): Define.
2716         * c-cppbuiltin.c (builtin_define_constants,
2717         builtin_define_type_minmax): New.
2718         (builtin_define_stdint_macros): Define more macros.
2719         (c_cpp_builtins): Define more limit macros.
2720         (type_suffix): New.
2721         (builtin_define_type_max): Define in terms of
2722         builtin_define_type_minmax.  Remove is_long parameter.  All
2723         callers changed.
2724         * config.gcc (use_gcc_stdint): Define.
2725         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2726         Add newlib-stdint.h for generic targets.
2727         * config/glibc-stdint.h, config/newlib-stdint.h,
2728         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2729         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2730         * config/score/score.h (UINTPTR_TYPE): Define.
2731         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2732         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2733         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2734         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2735         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2736         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2737         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2738         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2739         * config/spu/spu.h (STDINT_LONG32): Define.
2740         * configure.ac (use_gcc_stdint): Substitute.
2741         * configure: Regenerate.
2742         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2743         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2744         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2745         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2746         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2747         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2748         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2749         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2750         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2751         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2752         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2753         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2754         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2755         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2756         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2757         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2758         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2759         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2760         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2761         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2762         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2763         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2764         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2765         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2766         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2767         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2768         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2769         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2770         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2771
2772 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2773
2774         * loop-iv.c (suitable_set_for_replacement): Renamed from
2775         simplify_using_assignment; changed to return bool and to accept new
2776         args DEST and SRC.  Return true iff we find a source/destination pair
2777         that can be used to make a replacement, and fill SRC and DEST if so.
2778         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2779         changed.
2780         (simplify_using_initial_values): Deal with altered regs here and track
2781         more precisely the effect they have on the validity of our expression.
2782
2783         * loop-iv.c (simplify_using_condition): A condition of the form
2784         (EQ REG CONST) can be used to simply make a substitution.
2785         (simplify_using_initial_values): Keep track of conditions we have seen
2786         and keep using them to simplify new expressions, while applying the
2787         same substitutions to them as to the expression.
2788
2789         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2790         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2791         GEU/LTU reversed.
2792
2793         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2794         changed.  Use this when trying to improve the upper bound.
2795         Generate the comparison by using simplify_gen_relational.
2796
2797         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2798
2799         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2800         functions.
2801         (simplify_using_assignment, simplify_using_initial_values): Call 
2802         replace_in_expr to make replacements.  Call replace_single_def_regs
2803         once on the initial version of the expression.
2804
2805 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2806
2807         PR target/27237
2808         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2809         
2810 2009-03-31  Richard Guenther  <rguenther@suse.de>
2811
2812         PR middle-end/31029
2813         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2814         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2815
2816 2009-03-31  Richard Guenther  <rguenther@suse.de>
2817
2818         * tree.h (div_if_zero_remainder): Declare.
2819         * fold-const.c (div_if_zero_remainder): Export.
2820         * tree-ssa-forwprop.c
2821         (forward_propagate_addr_into_variable_array_index): Handle
2822         constant array index addition outside of the variable index.
2823
2824 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2825
2826         PR target/39592
2827         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2828         define_splits, floatunssi<mode>2): Require x87 conversions from
2829         DImode to be permitted.
2830
2831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2832
2833         PR preprocessor/15638
2834         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2835
2836 2009-03-31  Richard Guenther  <rguenther@suse.de>
2837
2838         PR middle-end/23401
2839         PR middle-end/27810
2840         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2841         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2842         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2843         a separate statement.
2844         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2845         (lookup_tmp_var): Likewise.
2846         (is_gimple_formal_tmp_or_call_rhs): Remove.
2847         (is_gimple_reg_or_call_rhs): Rename to ...
2848         (is_gimple_reg_rhs_or_call): ... this.
2849         (is_gimple_mem_or_call_rhs): Rename to ...
2850         (is_gimple_mem_rhs_or_call): ... this.
2851         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2852         DECL_GIMPLE_REG_P only if is_formal is true.
2853         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2854         for non-proper post-modify expression gimplification.
2855         (gimplify_self_mod_expr): For post-modify expressions gimplify
2856         the lvalue to a minimal lvalue.
2857         (rhs_predicate_for): Remove formal temp case.
2858         (gimplify_modify_expr_rhs): Likewise.
2859         (gimplify_addr_expr): Use is_gimple_reg.
2860         (gimplify_expr): Remove formal temp cases.
2861         (gimple_regimplify_operands): Likewise.
2862         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2863         and FILTER_EXPR like constants.
2864         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2865         is_gimple_reg.
2866         (is_gimple_formal_tmp_rhs): Remove.
2867         (is_gimple_reg_rhs): Remove special casing.
2868         (is_gimple_mem_rhs): Fix.
2869         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2870         (is_gimple_formal_tmp_var): Remove.
2871         (is_gimple_formal_tmp_reg): Likewise.
2872         (is_gimple_min_lval): Allow invariant component ref parts.
2873         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2874         is_gimple_formal_tmp_reg): Remove declarations.
2875         * tree-cfg.c (verify_expr): Verify that variables with address
2876         taken do not have DECL_GIMPLE_REG_P set.
2877         * tree-mudflap.c (mf_build_check_statement_for): Use
2878         force_gimple_operand instead of gimplify_expr.
2879
2880 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2881
2882         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2883         schedulable rows to compute_split_row.
2884
2885 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2886
2887         PR target/31635
2888         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2889         OPT_mvrsave.
2890
2891 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2892
2893         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2894         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2895         * configure: Regenerate.
2896         * config.in: Regenerate.
2897         * config/rs6000/rs6000.opt (mtls-markers): Add.
2898         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2899         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2900         (tls_ld_aix, tls_ld_sysv): Likewise.
2901         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2902         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2903
2904 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2905
2906         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2907
2908 2009-03-30  Jan Hubicka  <jh@suse.cz>
2909
2910         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2911         out of RESX.
2912         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2913         detection and label handling.
2914
2915 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2916
2917         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2918         left_conflicts_size.
2919         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2920         ALLOCNO_LEFT_CONFLICTS_SIZE.
2921
2922         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2923         remove_allocno_from_bucket_and_push,
2924         allocno_spill_priority_compare, push_allocnos_to_stack,
2925         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2926         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2927         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2928         setup_allocno_left_conflicts_size.
2929         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2930         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2931         setup_allocno_left_conflicts_size instead of
2932         setup_allocno_left_conflicts_num.
2933
2934         * ira-build.c (ira_create_allocno): Use
2935         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2936         ALLOCNO_LEFT_CONFLICTS_NUM.
2937                 
2938 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2939
2940         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2941         instead of DF_LR_OUT.
2942
2943         * ira-lives.c (process_bb_node_lives): Ditto.
2944
2945         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2946         instead of DF_LR_{OUT,IN}.
2947
2948         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2949
2950         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2951
2952 2009-03-30  Jan Hubicka  <jh@suse.cz>
2953
2954         * except.c (label_to_region_map): Fix thinko.
2955
2956 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2957
2958         PR middle-end/38237
2959         * tree.h (tree_find_value): New declaration.
2960         * tree.c (tree_find_value): New function.
2961         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2962
2963 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR debug/39563
2966         * c-decl.c (struct c_binding): Add locus field.
2967         (bind): Add locus argument, set locus field from it.
2968         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2969         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2970         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2971         implicitly_declare, undeclared_variable, lookup_label,
2972         declare_label, c_make_fname_decl, c_builtin_function,
2973         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2974         bind callers.
2975
2976 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2977
2978         PR target/38781
2979         * config/i386/i386.c (classify_argument): Check total size of
2980         structure.
2981
2982 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2983
2984         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2985         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2986         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2987         respectively.
2988
2989         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2990         seen_variable_array_ref while also traversing a union.
2991
2992         * tree-inline.c (optimize_inline_calls): Do not call
2993         cgraph_node_remove_callees.
2994         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2995         (pass_remove_cgraph_callee_edges): New variable.
2996         * passes.c (init_optimization_passes): Add
2997         pass_remove_cgraph_callee_edges after early inlining and before all
2998         late intraprocedural passes.
2999
3000         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3001
3002 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3003
3004         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3005         Fix typos in names.
3006
3007 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3008
3009         * combine.c (simplify_comparison): Use have_insn_for.
3010         * dojump.c (do_jump): Likewise.
3011
3012 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3013
3014         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3015         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3016         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3017         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3018         instead of sparc_compare_emitted.
3019         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3020         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3021         instead of sparc_compare_emitted.
3022
3023 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3024
3025         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3026         enter/exit cfglayout mode.
3027         (pass_partition_block): Require it.
3028         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3029         (combine_instructions): Track basic blocks instead of labels.
3030         (update_cfg_for_uncondjump): New.
3031         (try_combine): Use it.  Update jumps after rescanning.
3032         (pass_combine): Require PROP_cfglayout.
3033         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3034
3035 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3036
3037         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3038         Provide/destroy PROP_cfglayout respectively.
3039         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3040         * tree-pass.h (PROP_cfglayout): New.
3041
3042 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3043
3044         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3045         fold_convert_const_fixed_from_fixed,
3046         fold_convert_const_fixed_from_int,
3047         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3048         set TREE_CONSTANT_OVERFLOW.
3049         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3050         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3051
3052 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3053
3054         * tree-vect-loop-manip.c: New file.
3055         * tree-vectorizer.c: Update documentation and included files.
3056         (vect_loop_location): Make extern.
3057         (rename_use_op): Move to tree-vect-loop-manip.c
3058         (rename_variables_in_bb, rename_variables_in_loop, 
3059         slpeel_update_phis_for_duplicate_loop, 
3060         slpeel_update_phi_nodes_for_guard1,
3061         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3062         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3063         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3064         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3065         find_loop_location): Likewise.
3066         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3067         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3068         get_vectype_for_scalar_type, vect_is_simple_use,
3069         supportable_widening_operation, supportable_narrowing_operation):
3070         Likewise.
3071         (bb_in_loop_p): Move to tree-vect-loop.c.
3072         (new_loop_vec_info, destroy_loop_vec_info, 
3073         reduction_code_for_scalar_code, report_vect_op, 
3074         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3075         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3076         (vect_supportable_dr_alignment): Likewise.
3077         * tree-vectorizer.h (tree-data-ref.h): Include.
3078         (vect_loop_location): Declare.
3079         Reorganize function declarations according to the new file structure.
3080         * tree-vect-loop.c: New file.
3081         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3082         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3083         * tree-vect-data-refs.c: New file.
3084         * tree-vect-patterns.c (timevar.h): Don't include.
3085         * tree-vect-stmts.c: New file.
3086         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3087         tree-vect-slp.c, tree-vect-loop.c.
3088         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3089         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3090         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3091         (tree-vect-analyze.o): Remove.
3092         (tree-vect-transform.o): Likewise.
3093         (tree-vect-data-refs.o): Add rule.
3094         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3095         tree-vect-slp.o): Likewise.
3096         (tree-vect-patterns.o): Remove redundant dependencies.
3097         (tree-vectorizer.o): Likewise.
3098         * tree-vect-slp.c: New file.
3099
3100 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3101
3102         * optc-gen.awk: Warn if an option flag has multiple different
3103         help strings.
3104
3105 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3106
3107         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3108         -floop-block): Document dependences on PPL, CLooG and Graphite.
3109
3110 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3111
3112         PR rtl-optimization/323
3113         * c-common.c (c_fully_fold, convert_and_check,
3114         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3115         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3116         * c-common.def (EXCESS_PRECISION_EXPR): New.
3117         * c-cppbuiltin.c (builtin_define_float_constants): Define
3118         constants with enough digits for long double.
3119         * c-lex.c (interpret_float): Interpret constant with excess
3120         precision where appropriate.
3121         * c-opts.c (c_common_post_options): Set
3122         flag_excess_precision_cmdline.  Give an error for
3123         -fexcess-precision=standard for C++ for processors where the
3124         option is significant.
3125         * c-parser.c (c_parser_conditional_expression): Handle excess
3126         precision in condition.
3127         * c-typeck.c (convert_arguments): Handle arguments with excess
3128         precision.
3129         (build_unary_op): Move excess precision outside operation.
3130         (build_conditional_expr): Likewise.
3131         (build_compound_expr): Likewise.
3132         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3133         (build_modify_expr): Handle excess precision in RHS.
3134         (convert_for_assignment): Handle excess precision in converted
3135         value.
3136         (digest_init, output_init_element, process_init_element): Handle
3137         excess precision in initializer.
3138         (c_finish_return): Handle excess precision in return value.
3139         (build_binary_op): Handle excess precision in operands and add
3140         excess precision as needed for operation.
3141         * common.opt (-fexcess-precision=): New option.
3142         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3143         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3144         For standard excess precision, output explicit conversion to and
3145         truncation from XFmode.
3146         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3147         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3148         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3149         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3150         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3151         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3152         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3153         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3154         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3155         define_splits, sqrt<mode>2): Disable where appropriate for
3156         standard excess precision.
3157         * convert.c (convert_to_real): Do not shorten arithmetic to type
3158         for which excess precision would be used.
3159         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3160         * doc/invoke.texi (-fexcess-precision=): Document option.
3161         (-mfpmath=): Correct index entry.
3162         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3163         flag_excess_precision): New.
3164         * langhooks.c (lhd_post_options): Set
3165         flag_excess_precision_cmdline.
3166         * opts.c (common_handle_option): Handle -fexcess-precision=.
3167         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3168         init_excess_precision): New.
3169         (lang_dependent_init_target): Call init_excess_precision.
3170         * tree.c (excess_precision_type): New.
3171         * tree.h (excess_precision_type): Declare.
3172
3173 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3174
3175         PR c/35235
3176         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3177         non-lvalue to component.
3178
3179 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3180
3181         PR preprocessor/34695
3182         * Makefile.in (c-opts.o): Depend on c-tree.h.
3183         * c-common.c: Move down include of diagnostic.h.
3184         (done_lexing, c_cpp_error): New.
3185         * c-common.h (done_lexing): Declare.
3186         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3187         (parse_in).
3188         * c-opts.c: Include c-tree.h.
3189         (c_common_init_options): Set preprocessor error callback.
3190         (c_common_handle_option): Do not set preprocessor
3191         inhibit_warnings, warnings_are_errors, warn_system_headers,
3192         pedantic_errors or inhibit_warnings flags.
3193         (c_common_post_options): Do not check cpp_errors (parse_in).
3194         (c_common_finish): Do not output dependencies if there were
3195         errors.  Do not check return value of cpp_finish.
3196         * c-ppoutput.c (pp_file_change): Set input_location.
3197         * c-tree.h (c_cpp_error): Declare.
3198         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3199         override_column.
3200         (diagnostic_build_prefix): Check override_column.
3201         * diagnostic.h (diagnostic_info): Add override_column field.
3202         (diagnostic_override_column): Define.
3203
3204 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3205
3206         * c-common.c (c_expand_expr, c_staticp): Remove.
3207         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3208         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3209         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3210         * c-gimplify.c (gimplify_compound_literal_expr,
3211         optimize_compound_literals_in_ctor): Remove.
3212         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3213         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3214         * c-semantics.c (emit_local_var): Remove.
3215
3216         * langhooks-def.h (lhd_expand_expr): Remove.
3217         * langhooks.c (lhd_expand_expr): Remove.
3218         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3219
3220         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3221         handling from c-semantics.c; don't call into langhook.
3222         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3223         * gimplify.c (gimplify_compound_literal_expr,
3224         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3225         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3226         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3227         as was done in c-gimplify.c.
3228         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3229         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3230         Move from c-common.h.
3231         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3232
3233         * tree.c (staticp): Do not call langhook.
3234         * langhooks.c (lhd_staticp): Delete.
3235         * langhooks-def.h (lhd_staticp): Delete prototype.
3236         (LANG_HOOKS_STATICP): Delete.
3237         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3238
3239         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3240         instead of DECL_STMTs.
3241
3242 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3243
3244         PR c/456
3245         PR c/5675
3246         PR c/19976
3247         PR c/29116
3248         PR c/31871
3249         PR c/35198
3250         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3251         void_type_node.
3252         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3253         contained expression.
3254         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3255         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3256         conditional expressions for C.
3257         (decl_constant_value_for_optimization): Move from
3258         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3259         whether optimizing and that the expression is a VAR_DECL not of
3260         array type instead of doing such checks in the caller.  Do not
3261         check pedantic.  Call gcc_unreachable for C++.
3262         * c-common.def (C_MAYBE_CONST_EXPR): New.
3263         * c-common.h (c_fully_fold, c_save_expr,
3264         decl_constant_value_for_optimization): New prototypes.
3265         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3266         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3267         EXPR_INT_CONST_OPERANDS): Define.
3268         * c-convert.c (convert): Strip nops from expression.
3269         * c-decl.c (groktypename): Take extra parameters expr and
3270         expr_const_operands.  Update call to grokdeclarator.
3271         (start_decl): Update call to grokdeclarator.  Add statement for
3272         expressions used in type of decl.
3273         (grokparm): Update call to grokdeclarator.
3274         (push_parm_decl): Update call to grokdeclarator.
3275         (build_compound_literal): Add parameter non_const and build a
3276         C_MAYBE_COSNT_EXPR if applicable.
3277         (grokdeclarator): Take extra parameters expr and
3278         expr_const_operands.  Track expressions used in declaration
3279         specifiers and declarators.  Fold array sizes and track whether
3280         they are constant expressions and whether they are integer
3281         constant expressions.
3282         (parser_xref_tag): Set expr and expr_const_operands fields in
3283         return value.
3284         (grokfield): Update call to grokdeclarator.
3285         (start_function): Update call to grokdeclarator.
3286         (build_null_declspecs): Set expr and expr_const_operands fields in
3287         return value.
3288         (declspecs_add_type): Handle expressions in typeof specifiers.
3289         * c-parser.c (c_parser_declspecs): Set expr and
3290         expr_const_operands fields for declaration specifiers.
3291         (c_parser_enum_specifier): Likewise.
3292         (c_parser_struct_or_union_specifier): Likewise.
3293         (c_parser_typeof_specifier): Likewise.  Update call to
3294         groktypename.  Fold expression as needed.  Return expressions with
3295         type instead of adding statements.
3296         (c_parser_attributes): Update calls to c_parser_expr_list.
3297         (c_parser_statement_after_labels): Fold expression before passing
3298         to objc_build_throw_stmt.
3299         (c_parser_condition): Fold expression.
3300         (c_parser_asm_operands): Fold expression.
3301         (c_parser_conditional_expression): Use c_save_expr.  Update call
3302         to build_conditional_expr.
3303         (c_parser_alignof_expression): Update call to groktypename.
3304         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3305         original_code.  Fold expression argument of va_arg.  Create
3306         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3307         argument to va_arg.  Update calls to groktypename.  Fold array
3308         index for offsetof.  Verify that first argument to
3309         __builtin_choose_expr has integer type.
3310         (c_parser_postfix_expression_after_paren_type): Update calls to
3311         groktypename and build_compound_literal.  Handle expressions with
3312         side effects in type name.
3313         (c_parser_postfix_expression_after_primary): Update call to
3314         c_parser_expr_list.  Set original_code for calls to
3315         __builtin_constant_p.
3316         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3317         expressions if requested.
3318         (c_parser_objc_type_name): Update call to groktypename.
3319         (c_parser_objc_synchronized_statement): Fold expression.
3320         (c_parser_objc_receiver): Fold expression.
3321         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3322         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3323         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3324         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3325         (struct c_typespec): Add elements expr and expr_const_operands.
3326         (struct c_declspecs): Add elements expr and expr_const_operands.
3327         (groktypename, build_conditional_expr, build_compound_literal):
3328         Update prototypes.
3329         (in_late_binary_op): Declare.
3330         * c-typeck.c (note_integer_operands): New function.
3331         (in_late_binary_op): New variable.
3332         (decl_constant_value_for_broken_optimization): Move to c-common.c
3333         and rename to decl_constant_value_for_optimization.
3334         (default_function_array_conversion): Do not strip nops.
3335         (default_conversion): Do not call
3336         decl_constant_value_for_broken_optimization.
3337         (build_array_ref): Do not fold result.
3338         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3339         result when operand is a VLA.
3340         (c_expr_sizeof_type): Update call to groktypename.  Handle
3341         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3342         result when operand names a VLA type.
3343         (build_function_call): Update call to build_compound_literal.
3344         Only fold result for calls to __builtin_* functions.  Strip
3345         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3346         the function designator.
3347         (convert_arguments): Fold arguments.  Update call to
3348         convert_for_assignment.
3349         (build_unary_op): Handle increment and decrement of
3350         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3351         decrement earlier.  Fold operand of increment and decrement.
3352         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3353         built for integer operand.  Wrap returns that are INTEGER_CSTs
3354         without being integer constant expressions or that have integer
3355         constant operands without being INTEGER_CSTs.
3356         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3357         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3358         result is an integer constant expression or can be used in
3359         unevaluated parts of one and avoid folding and wrap as
3360         appropriate.  Fold operands before possibly doing -Wsign-compare
3361         warnings.
3362         (build_compound_expr): Wrap result for C99 if operands can be used
3363         in integer constant expressions.
3364         (build_c_cast): Update call to digest_init.  Do not ignore
3365         overflow from casting floating-point constants to integers.  Wrap
3366         results that could be confused with integer constant expressions,
3367         null pointer constants or floating-point constants.
3368         (c_cast_expr): Update call to groktypename.  Handle expressions
3369         included in type name.
3370         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3371         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3372         Update calls to convert_for_assignment.
3373         (convert_for_assignment): Take new parameter
3374         null_pointer_constant.  Do not strip nops or call
3375         decl_constant_value_for_broken_optimization.  Set
3376         in_late_binary_op for conversions to boolean.
3377         (store_init_value): Update call to digest_init.
3378         (digest_init): Take new parameter null_pointer_constant.  Do not
3379         call decl_constant_value_for_broken_optimization.  pedwarn for
3380         initializers not constant expressions.  Update calls to
3381         convert_for_assignment.
3382         (constructor_nonconst): New.
3383         (struct constructor_stack): Add nonconst element.
3384         (really_start_incremental_init, push_init_level, pop_init_level):
3385         Handle constructor_nonconst and nonconst element.
3386         (set_init_index): Call constant_expression_warning for array
3387         designators.
3388         (output_init_element): Fold value.  Set constructor_nonconst as
3389         applicable.  pedwarn for initializers not constant expressions.
3390         Update call to digest_init.  Call constant_expression_warning
3391         where constant initializers are required.
3392         (process_init_element): Use c_save_expr.
3393         (c_finish_goto_ptr): Fold expression.
3394         (c_finish_return): Fold return value.  Update call to
3395         convert_for_assignment.
3396         (c_start_case): Fold switch expression.
3397         (c_process_expr_stmt): Fold expression.
3398         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3399         ensure statement expression is not evaluated in constant expression.
3400         (build_binary_op): Track whether results are integer constant
3401         expressions or may occur in such, disable folding and wrap results
3402         as applicable.  Fold operands for -Wsign-compare warnings unless
3403         in_late_binary_op.
3404         (c_objc_common_truthvalue_conversion): Handle results folded to
3405         integer constants that are not integer constant expressions.
3406         * doc/extend.texi: Document when typeof operands are evaluated,
3407         that condition of __builtin_choose_expr is an integer constant
3408         expression, and more about use of __builtin_constant_p in
3409         initializers.
3410
3411 2009-03-29  Richard Guenther  <rguenther@suse.de>
3412
3413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3414         propagate addresses of array references.
3415
3416 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3417
3418         * regmove.c (perhaps_ends_bb_p): Remove.
3419         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3420         from INSN and check that the main loop stays within that basic block.
3421         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3422         (regmove_forward_pass): Split out from regmove_optimize.  Use
3423         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3424         (regmove_backward_pass): Split out from regmove_optimize.  Use
3425         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3426         (regmove_optimize): Simplify.
3427
3428 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3429
3430         PR target/39545
3431         * config/i386/i386.c (classify_argument): Ignore flexible array
3432         member in struct and warn ABI change.
3433
3434 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3435
3436         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3437
3438         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3439         (ix86_adjust_cost): Updated.
3440
3441 2009-03-29  Jan Hubicka  <jh@suse.cz>
3442
3443         PR middle-end/28850
3444         * tree-pass.h (pass_cleanup_eh): New function.
3445         (remove_unreachable_regions): Break code handling RTL
3446         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3447         that can not be reached by runtime.
3448         (can_be_reached_by_runtime): New function.
3449         (label_to_region_map): New function.
3450         (num_eh_regions): New function.
3451         (rtl_remove_unreachable_regions): New function.
3452         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3453         (remove_eh_region): New function.
3454         * except.h: Include sbitmap and vecprim.
3455         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3456         num_eh_regions): Declare.
3457         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3458         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3459         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3460         (tree_empty_eh_handler_p): New function.
3461         (cleanup_empty_eh): New function.
3462         (cleanup_eh): New function.
3463         (pass_cleanup_eh): New function.
3464
3465 2009-03-29  Jan Hubicka  <jh@suse.cz>
3466
3467         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3468         for removed regions.
3469
3470 2009-03-29  Jan Hubicka  <jh@suse.cz>
3471
3472         * except.c (dump_eh_tree): Dump all datastructures.
3473
3474 2009-03-29  Jan Hubicka  <jh@suse.cz>
3475
3476         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3477         (duplicate_eh_regions_1): Likewise.
3478         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3479         vector; call EH verification.
3480         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3481         Be ready for region being removed.
3482
3483 2009-03-29  Jan Hubicka  <jh@suse.cz>
3484
3485         * bitmap.c (bitmap_last_set_bit): New function.
3486         * bitmap.h (bitmap_last_set_bit): Declare.
3487
3488 2009-03-29  David Ayers  <ayers@fsfe.org>
3489
3490         PR objc/27377
3491         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3492         by calling objc_compare_types and surpress warnings about
3493         incompatible C pointers that are compatible ObjC pointers.
3494         
3495 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3496
3497         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3498         call initialize_inline_failed.
3499         (initialize_inline_failed): Move it from here ...
3500         * cgraph.c (initialize_inline_failed): ... to here.
3501         (cgraph_create_edge): Call initialize_inline_failed rather than
3502         setting inline_failed directly.
3503
3504 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3505
3506         PR target/32542
3507         * sysv4.opt (msdata): Improve comment.
3508         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3509         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3510
3511 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3512
3513         PR target/30451
3514         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3515         load and store attributes.
3516
3517 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3518
3519         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3520         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3521         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3522         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3523         __builtin_infq and __builtin_huge_valq.
3524
3525 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3526
3527         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3528         atmega8m1 devices.
3529         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3530         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3531
3532 2009-03-28  Xinliang David Li  <davidxl@google.com>
3533
3534         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3535         (do_dbg_cnt): New function.
3536
3537 2009-03-28  Jan Hubicka  <jh@suse.cz>
3538
3539         Merge from pretty-ipa:
3540
3541         2009-03-27  Jan Hubicka  <jh@suse.cz>
3542
3543         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3544         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3545         * passes.c (function_called_by_processed_nodes_p): New.
3546         * ipa-pure-const.c (check_call): Fix handling of operands.
3547         (analyze_function): Dump debug output for skipped bodies.
3548         (local_pure_const): Use function_called_by_processed_nodes_p.
3549         * dwarf2out.c (reference_to_unused): Use output.
3550         * passes.c (do_per_function_toporder): Likewise.
3551
3552         2008-11-12  Jan Hubicka  <jh@suse.cz>
3553
3554         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3555         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3556         state_set_in_source enum
3557         (check_decl): Ignore memory tags; do not set fake looping flags;
3558         dump diagnostics.
3559         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3560         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3561         (check_call, analyze_function): Rewrite.
3562         (check_stmt): New.
3563         (add_new_function): Update call of analyze_function.
3564         (generate_summary): Add call of analyze_function.
3565         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3566         (local_pure_const): New function.
3567         (pass_local_pure_const): New pass.
3568         * ipa-inline.c (inline_transform): Set after_inlining.
3569         * tree-eh.c (stmt_can_throw_external): New.
3570         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3571         work with aliasing built.
3572         * tree-flow.h (stmt_can_throw_external): New.
3573         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3574         and local pure/const pass in early and late optimization queue.
3575
3576 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3577
3578         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3579         allow_func_align.
3580         (fold_binary): Allow function decl aligment consideration is the
3581         second argument is integer constant one.
3582         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3583         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3584         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3585
3586 2009-03-28  Jan Hubicka  <jh@suse.cz>
3587
3588         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3589         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3590         * function.h (rtl_data): Add nothrow flag.
3591         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3592         set DECL_NOTHROW for AVAILABLE functions.
3593
3594 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3595
3596         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3597         following vector keyword has expansion starting with pixel or bool
3598         keyword, expand vector to __vector and pixel or bool to __pixel or
3599         __bool.
3600
3601         PR c++/39554
3602         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3603         warn_if_disallowed_function_p): Removed.
3604         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3605         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3606         warning_if_disallowed_function_p.
3607         * flags.h (warn_if_disallowed_function_p,
3608         warn_disallowed_functions): Removed.
3609         * common.opt (Wdisallowed-function-list=): Removed.
3610         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3611
3612 2009-03-28  Richard Guenther  <rguenther@suse.de>
3613
3614         PR tree-optimization/38723
3615         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3616         the entry block.
3617
3618 2009-03-28  Jan Hubicka  <jh@suse.cz>
3619
3620         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3621         test introduced by my previous patch.
3622
3623 2009-03-28  Richard Guenther  <rguenther@suse.de>
3624
3625         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3626         the PHIs value undefined.
3627
3628 2009-03-28  Jan Hubicka  <jh@suse.cz>
3629
3630         * tree-pass.h (pass_fixup_cfg): New pass.
3631         * ipa-inline.c (inline_transform): Set
3632         always_inline_functions_inlined/after_inlining.
3633         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3634         (pass_fixup_cfg): New pass.
3635         * passes.c (init_optimization_passes): Add fixup_cfg.
3636
3637 2009-03-28  Richard Guenther  <rguenther@suse.de>
3638
3639         PR tree-optimization/38458
3640         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3641         argument use the arguments copy-of value.
3642
3643 2009-03-28  Richard Guenther  <rguenther@suse.de>
3644
3645         PR tree-optimization/38180
3646         * tree-ssa-ccp.c (get_default_value): Simplify.
3647         (likely_value): Likewise.
3648         (surely_varying_stmt_p): Properly handle VOP case.
3649         (ccp_initialize): Likewise.
3650         (ccp_fold): Handle propagating through *&.
3651         (fold_const_aggregate_ref): Also handle decls.
3652
3653 2009-03-28  Jan Hubicka  <jh@suse.cz>
3654
3655         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3656         * cgraph.h (cgraph_node): Likewise.
3657         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3658         (cgraph_reset_node): Use process flag.
3659         (cgraph_mark_functions_to_output): Likewise.
3660         (cgraph_expand_function): Likewise.
3661         (cgraph_expand_all_functions): Likewise.
3662         (cgraph_output_in_order): Likewise.
3663         * dwarf2out.c (reference_to_unused): Likewise.
3664         * passes.c do_per_function_toporder): Likewise.
3665
3666 2009-03-28  Jan Hubicka  <jh@suse.cz>
3667
3668         Bring from lto-branch:
3669
3670         2008-09-03  Doug Kwan  <dougkwan@google.com>
3671
3672         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3673         enums instead of reason strings.
3674         * cgraph.c (cgraph_create_edge): Same.
3675         (cgraph_inline_failed_string): New function.
3676         * cgraph.h (cgraph_inline_failed_t): New enum type.
3677         (cgraph_inline_failed_string): New prototype.
3678         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3679         char pointer to cgraph_inline_failed_t.
3680         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3681         (cgraph_default_inline_p): Ditto.
3682         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3683         to cgraph_inline_failed_t pointer.
3684         * cif-code.def: New file.
3685         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3686         reason string.
3687         (cgraph_check_inline_limits): Change type of REASON to pointer to
3688         cgraph_inline_failed_t.  Replace reason strings with enums.
3689         (cgraph_default_inline_p): Ditto.
3690         (cgraph_recursive_inlining_p): Ditto.
3691         (update_caller_keys): Change type of FAILED_REASON to
3692         cgraph_inline_failed_t.
3693         (cgraph_set_inline_failed): Change type of REASON to pointer to
3694         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3695         convert enums to strings for text output.
3696         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3697         to be of type cgraph_inline_failed_t.  Replace reason strings with
3698         enums.  Call cgraph_inline_failed_string to covert enums
3699         to strings for text output.
3700         (cgraph_decide_inlining): Replace reason strings with enums.
3701         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3702         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3703         for text output.
3704         * tree-inline.c (expand_call_inline): Change type of REASON
3705         to cgraph_inline_failed_t.  Replace reason strings with enums.
3706         Call cgraph_inline_failed_string for text output.
3707         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3708         (cgraph.o): Ditto.
3709
3710 2009-03-28  Jan Hubicka  <jh@suse.cz>
3711
3712         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3713         cgraph_clone_node): Remove master clone handling.
3714         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3715         * cgraph.h (master_clone): Remove.
3716         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3717         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3718         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3719
3720 2009-03-28  Jan Hubicka  <jh@suse.cz>
3721
3722         * cgraph.c (cgraph_function_body_availability): Functions declared
3723         inline are always safe to assume that it is not going to be replaced.
3724
3725 2009-03-28  Richard Guenther  <rguenther@suse.de>
3726
3727         PR tree-optimization/38513
3728         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3729         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3730         EXC_PTR_EXPR and FILTER_EXPR.
3731         (get_ref_from_reference_ops): Likewise.
3732
3733 2009-03-28  Richard Guenther  <rguenther@suse.de>
3734
3735         PR tree-optimization/38968
3736         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3737         Use FLOOR_MOD_EXPR to compute misalignment.
3738
3739 2009-03-28  Richard Guenther  <rguenther@suse.de>
3740
3741         PR tree-optimization/37795
3742         * tree.h (combine_comparisons): Declare.
3743         * fold-const.c (combine_comparisons): Export.
3744         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3745         comparisons.
3746         (ifcombine_iforif): Use combine_comparisons.
3747
3748 2009-03-28  Jan Hubicka  <jh@suse.cz>
3749
3750         * tree-eh.c (inlinable_call_p): New function.
3751         (make_eh_edges): Use it.
3752         (verify_eh_edges): Use it.
3753         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3754         * except.c (reachable_next_level): Add inlinable_function argument
3755         (sjlj_find_directly_reachable_regions): Update.
3756         (add_reachable_handler): Do not set saw_any_handlers.
3757         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3758         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3759         Add new inlinable call parameter.
3760         (can_throw_internal, can_throw_external): Update.
3761         * except.h (can_throw_internal_1, can_throw_external_1,
3762         foreach_reachable_handler): Update declaration.
3763
3764 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3765
3766         * config/arm/t-arm-coff, config/h8300/coff.h,
3767         config/i386/i386-aout.h, config/i386/i386-coff.h,
3768         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3769         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3770         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3771         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3772         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3773         sys-types.h: Remove.
3774         * Makefile.in: Remove protoize and fixproto support and references
3775         in comments.
3776         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3777         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3778         Remove.
3779         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3780         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3781         unprotoize$(exeext).
3782         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3783         (.PHONY): Don't depend on proto.
3784         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3785         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3786         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3787         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3788         build/gen-protos.o, build/scan.o, xsys-protos.h,
3789         build/fix-header$(build_exeext), build/fix-header.o,
3790         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3791         stmp-install-fixproto): Remove.
3792         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3793         SYSCALLS.c or fixproto files.
3794         (install-common): Don't install protoize.
3795         (install-headers-tar, install-headers-cpio, install-headers-cp):
3796         Don't depend on $(STMP_FIXPROTO).
3797         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3798         install fixproto files or write out fixproto settings.
3799         (uninstall): Don't uninstall protoize.
3800         * config.gcc (use_fixproto): Remove.
3801         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3802         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3803         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3804         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3805         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3806         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3807         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3808         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3809         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3810         * config/t-vxworks (STMP_FIXPROTO): Remove.
3811         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3812         STMP_FIXPROTO): Remove.
3813         * config.in, configure: Regenerate.
3814         * crtstuff.c (gid_t, uid_t): Don't undefine.
3815         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3816         (arm-*-coff, arm-*-aout: Remove target entries.
3817         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3818         Remove mention of AIX 4.1.
3819         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3820         * doc/invoke.texi (Running Protoize): Remove.
3821         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3822         (Protoize Caveats): Remove.
3823         * tsystem.h: Update comments on headers assumed to exist.
3824
3825 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3826
3827         * genautomata.c: Add a new year to the copyright.  Add a new
3828         reference.
3829         (struct insn_reserv_decl): Add comments for member bypass_list.
3830         (find_bypass): Remove.
3831         (insert_bypass): New.
3832         (process_decls): Use insert_bypass.
3833         (output_internal_insn_latency_func): Output all bypasses with the
3834         same input insn in one switch case.
3835
3836         * rtl.def (define_bypass): Describe bypass choice.
3837         * doc/md.texi (define_bypass): Ditto.
3838
3839 2009-03-27  Richard Guenther  <rguenther@suse.de>
3840
3841         * gimplify.c (mark_addressable): Export.
3842         * tree-flow.h (mark_addressable): Declare.
3843         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3844         * tree-ssa.c (verify_phi_args): Verify that address taken
3845         variables have TREE_ADDRESSABLE set.
3846
3847 2009-03-27  Richard Guenther  <rguenther@suse.de>
3848
3849         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3850         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3851         Do not mark decls TREE_ADDRESSABLE.
3852         (build_fold_addr_expr): Adjust.
3853         (fold_addr_expr): Remove.
3854         (fold_unary): Use build_fold_addr_expr.
3855         (fold_comparison): Likewise.
3856         (split_address_to_core_and_offset): Likewise.
3857         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3858         TREE_ADDRESSABLE.
3859         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3860         (gimplify_modify_expr_to_memcpy): Mark source and destination
3861         addressable.
3862         * omp-low.c (create_omp_child_function): Mark the object decl
3863         TREE_ADDRESSABLE.
3864         (lower_rec_input_clauses): Mark the var we take the address of
3865         TREE_ADDRESSABLE.
3866         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3867
3868 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3869
3870         PR middle-end/39315
3871         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3872         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3873
3874 2009-03-27  Richard Guenther  <rguenther@suse.de>
3875
3876         PR tree-optimization/39120
3877         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3878         constraints.
3879         (handle_lhs_call): Process return constraints.  Add escape
3880         constraints if necessary.
3881         (handle_const_call): Fill out return constraints.  Make nested
3882         case more precise.  Avoid consttmp if possible.
3883         (handle_pure_call): Fill out return constraints.  Avoid
3884         callused if possible.
3885         (find_func_aliases): Simplify call handling.
3886
3887 2009-03-27  Richard Guenther  <rguenther@suse.de>
3888
3889         PR tree-optimization/39120
3890         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3891         as a representative.
3892         (solve_graph): Do propagate CALLUSED.
3893         (handle_pure_call): Use a scalar constraint from CALLUSED for
3894         the return value.
3895         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3896         solutions.
3897
3898 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3899
3900         PR c/39323
3901         * c-common.c (handle_aligned_attribute): Properly check alignment
3902         overflow.  Use (1U << i) instead of (1 << i).
3903
3904         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3905
3906         * expr.h (get_mem_align_offset): Updated.
3907
3908         * tree.h (tree_decl_common): Change align to "unsigned int" and
3909         move it before pointer_alias_set.
3910
3911 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3912             Jakub Jelinek  <jakub@redhat.com>
3913
3914         PR target/38034
3915         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3916         gr_register_operand with gr_reg_or_0_operand.
3917         (cmpxchg_rel_di): Likewise.
3918         (sync_lock_test_and_set<mode>): Likewise.
3919
3920 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3921
3922         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3923         (true_regnum): Likewise.
3924
3925         * rtlanal.c (subreg_info): Moved to ...
3926         * rtl.h (subreg_info): Here.  New.
3927         (subreg_get_info): New.
3928
3929         * rtlanal.c (subreg_get_info): Make it extern.
3930
3931 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3932
3933         PR target/39472
3934         * config/i386/i386.c (ix86_abi): New.
3935         (override_options): Handle -mabi=.
3936         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3937         (ix86_call_abi_override): Likewise.
3938         (init_cumulative_args): Likewise.
3939         (function_arg_advance): Likewise.
3940         (function_arg_64): Likewise.
3941         (function_arg): Likewise.
3942         (ix86_pass_by_reference): Likewise.
3943         (ix86_function_value_regno_p): Likewise.
3944         (ix86_build_builtin_va_list_abi): Likewise.
3945         (setup_incoming_varargs_64): Likewise.
3946         (is_va_list_char_pointer): Likewise.
3947         (ix86_init_machine_status): Likewise.
3948         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3949         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3950         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3951         (ix86_function_abi): Make it static and return enum calling_abi.
3952         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3953         with ix86_abi.
3954         (ix86_fn_abi_va_list): Updated.
3955
3956         * config/i386/i386.h (ix86_abi): New.
3957         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3958         (CONDITIONAL_REGISTER_USAGE): Likewise.
3959         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3960         (machine_function): Likewise.
3961
3962         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3963         with ix86_abi.
3964         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3965         (STACK_BOUNDARY): Likewise.
3966         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3967
3968         * config/i386/i386.opt (mabi=): New.
3969
3970         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3971         return enum calling_abi.
3972         (ix86_function_type_abi): Likewise.
3973         (ix86_function_abi): Removed.
3974
3975         * doc/invoke.texi: Document -mabi= option for x86.
3976
3977 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3978
3979         * builtins.c (real_dconstp): Delete.
3980         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3981
3982 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3983             Jakub Jelinek  <jakub@redhat.com>
3984
3985         PR debug/37959
3986         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3987         (gen_subprogram_die): When a function is explicit, generate the
3988         DW_AT_explicit attribute.
3989         * langhooks.h (struct lang_hooks_for_decls): Add
3990         function_decl_explicit_p langhook.
3991         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3992         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3993
3994 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3995
3996         * builtins.c (fold_builtin_memory_op): Optimize memmove
3997         into memcpy if we can prove source and destination don't overlap.
3998
3999         * tree-inline.c: Include gt-tree-inline.h.
4000         (clone_fn_id_num): New variable.
4001         (clone_function_name): New function.
4002         (tree_function_versioning): Use it.
4003         * Makefile.in (GTFILES): Add tree-inline.c.
4004
4005 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4006
4007         * BASE-VER: Change to 4.5.0.
4008
4009 2009-03-27  Xinliang David Li  <davidxl@google.com>
4010
4011         PR tree-optimization/39557
4012         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4013
4014 2009-03-27  Xinliang David Li  <davidxl@google.com>
4015
4016         PR tree-optimization/39548
4017         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4018         candidate check.
4019
4020 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4021
4022         * c-common.c (pointer_int_sum): Use %wd on return from
4023         tree_low_cst.
4024
4025 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4026
4027         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4028         on return from tree_low_cst.
4029
4030 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4031
4032         PR c++/36799
4033         * ginclude/stdarg.h (va_copy): Define also for
4034         __GXX_EXPERIMENTAL_CXX0X__.
4035
4036 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4037
4038         PR c++/35652
4039         * builtins.h (c_strlen): Do not warn here.
4040         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4041         * c-common.c (pointer_int_sum): Take an explicit location.
4042         Warn about offsets out of bounds.
4043         * c-common.h (pointer_int_sum): Adjust declaration.
4044
4045 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4046
4047         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4048         markup glitch.
4049
4050 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4051
4052         PR c++/39554
4053         * opts.c (warn_if_disallowed_function_p): Don't assume
4054         get_callee_fndecl must return non-NULL.
4055
4056 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4057
4058         PR rtl-optimization/39522
4059         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4060         when reg_reloaded_valid is set.
4061
4062 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4063
4064         * config/spu/divv2df3.c: New file.
4065         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4066         (DPBIT_FUNCS): Filter out _div_df.
4067
4068 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4069
4070         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4071         a jump insn, count that jump in the distance to the loop start.
4072
4073 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4074
4075         PR target/39523
4076         * config/sh/sh.c (calc_live_regs): Fix condition for global
4077         registers except PIC_OFFSET_TABLE_REGNUM.
4078
4079 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4080
4081         PR/39518
4082         * doc/invoke.texi (-mconsole): New.
4083         (-mcygwin): New.
4084         (-mno-cygwin): New.
4085         (-mdll): New.
4086         (-mnop-fun-dllimport): New.
4087         (-mthread): New.
4088         (-mwin32): New.
4089         (-mwindows): New.
4090         (sub section "i386 and x86-64 Windows Options"): New.
4091
4092 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4093
4094         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4095         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4096
4097 2009-03-25  Richard Guenther  <rguenther@suse.de>
4098
4099         PR middle-end/39497
4100         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4101         of -Wno-error.
4102
4103 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4104
4105         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4106         neither of haifa/selective schedulers are working.
4107
4108 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4109
4110         * doc/invoke.texi (Debugging Options): Fix description of
4111         -fno-merge-debug-strings.
4112
4113 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4114
4115         * config/cris/libgcc.ver: New version-script.
4116         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4117
4118         * configure.ac <GAS features, nop mnemonic>: Add pattern
4119         crisv32-*-* for "nop".
4120         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4121         * configure: Regenerate.
4122
4123 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4124
4125         PR tree-optimization/39529
4126         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4127         mark_sym_for_renaming for the tag copied to the new vector
4128         pointer.
4129
4130 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4131
4132         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4133         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4134         EXTRA_SPEC_FUNCTIONS.
4135         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4136         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4137         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4138         -march and -mtune options.
4139
4140 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4141
4142         * config/m68k/t-rtems: Add m5329 multilib.
4143
4144 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4145             Jakub Jelinek  <jakub@redhat.com>
4146
4147         PR debug/39524
4148         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4149         nodes.
4150
4151 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4152
4153         PR c/39495
4154         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4155         instead of c_parser_expression_conv, if original_code isn't one of the
4156         4 allowed comparison codes, fail.
4157
4158 2009-03-23  Richard Guenther  <rguenther@suse.de>
4159
4160         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4161         * tree.h (struct tree_type): Likewise.
4162         * reload.h (struct insn_chain): Likewise.
4163         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4164         * function.h (struct function): Likewise.
4165         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4166
4167 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4168
4169         PR tree-optimization/39516
4170         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4171
4172 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4173
4174         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4175         should be set true if BITS_PER_WORD of target is bigger than 32
4176
4177 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4178
4179         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4180         Translate -B-options to -rpath-link.  Correct existing
4181         rpath-link and conditionalize on !nostdlib.
4182
4183 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4184
4185         * doc/extend.texi (Function Attributes, Variable Attributes):
4186         Fix typos.
4187         * doc/invoke.texi (Debugging Options, Optimize Options)
4188         (i386 and x86-64 Options, MCore Options): Likewise.
4189
4190 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4191
4192         PR debug/37890
4193         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4194         it for block local namespace aliases.
4195         (gen_decl_die): Pass context_die to gen_namespace_die.
4196
4197 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4198
4199         PR c/39495
4200         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4201         minimum or maximum value.
4202
4203 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4204
4205         * reginfo.c (globalize_reg): Recompute derived reg sets.
4206
4207 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4208
4209         PR target/39063
4210         * libgcc2.c (mprotect): Do not use signed arguments for
4211         VirtualProtect, use DWORD arguments.  Also fix the 'may
4212         be used uninitialized' warning for the np variable.
4213
4214 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4215
4216         PR target/39496
4217         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4218         functions using regparm calling conventions when not optimizing.
4219         (ix86_function_sseregparm): Similarly for sseregparm calling
4220         conventions.
4221
4222 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4223
4224         PR middle-end/39500
4225         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4226         dependence if the first conflict is after niter iterations.
4227
4228 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4229
4230         PR middle-end/38609
4231         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4232         functions with dynamic stack-pointer adjustments.
4233
4234 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4235
4236         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4237         option; change to -msdata=data.
4238
4239 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4240
4241         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4242         and -fopenmp.
4243
4244 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4245
4246         PR target/35180
4247         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4248
4249 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4250
4251         * doc/invoke.texi (Code Gen Options): Expand discussion of
4252         -fno-common.
4253
4254 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4255
4256         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4257         * matrix-reorg.c (struct matrix_info): Likewise.
4258         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4259         * rtl.h (struct mem_attrs): Likewise.
4260         * df.h (struct df): Likewise.
4261         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4262         * ira-int.h (struct ira_allocno): Likewise.
4263         * df-scan.c (struct df_collection_rec): Likewise.
4264         * ira.c (struct equivalence): Likewise.
4265         * function.c (struct temp_slot): Likewise.
4266         * cfgloop.h (struct loop): Likewise.
4267
4268         PR debug/39485
4269         * function.c (use_register_for_decl): When not optimizing, disregard
4270         register keyword for variables with types containing methods.
4271
4272 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4273
4274         PR middle-end/39447
4275         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4276         (is_simple_operand): Call contains_component_ref_p before calling data
4277         reference analysis that would fail on COMPONENT_REFs.
4278
4279         * tree-vrp.c (search_for_addr_array): Fix formatting.
4280
4281 2009-03-18  Richard Guenther  <rguenther@suse.de>
4282
4283         * tree-vect-transform.c (vect_loop_versioning): Fold the
4284         generated comparisons.
4285         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4286         (slpeel_tree_peel_loop_to_edge): Likewise.
4287
4288 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4289
4290         PR middle-end/37805
4291         * opts.c (print_specific_help): In addition to `undocumented',
4292         accept `separate' and `joined' flags if passed alone.  Describe
4293         output by the first matched one of those.
4294         (common_handle_option): Skip over empty strings.
4295         * gcc.c (display_help): Fix help string for `--help='.
4296         * doc/invoke.texi (Option Summary, Overall Options): With
4297         `--help=', classes and qualifiers can both be repeated, but
4298         only the latter can be negated.  One should not pass only
4299         negated qualifiers.  Fix markup and examples.
4300
4301         Revert
4302         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4303         PR middle-end/37805
4304         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4305         and -fhelp=separate.
4306
4307 2009-03-17  Jing Yu  <jingyu@google.com>
4308
4309         PR middle-end/39378
4310         * function.h (struct rtl_data): Move is_thunk from here...
4311         (struct function): ...to here.
4312         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4313         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4314         cfun.
4315         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4316         cfun.
4317         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4318         (alpha_output_function_end_prologue): Likewise.
4319         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4320         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4321         (rs6000_output_function_epilogue): Likewise.
4322         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4323
4324 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4325
4326         PR target/39482
4327         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4328         from different units in a single alternative.
4329         (*truncdfsf_i387): Ditto.
4330         (*truncxfsf2_mixed): Ditto.
4331         (*truncxfdf2_mixed): Ditto.
4332
4333 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4334
4335         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4336         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4337
4338         PR debug/39474
4339         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4340         unused non-artificial variables when not optimizing.
4341
4342         PR debug/39471
4343         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4344         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4345         NAMESPACE_DECL in its DECL_INITIAL.
4346
4347         PR middle-end/39443
4348         * optabs.c (set_user_assembler_libfunc): New function.
4349         * expr.h (set_user_assembler_libfunc): New prototype.
4350         * c-common.c: Include libfuncs.h.
4351         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4352         for memcmp, memset, memcpy, memmove and abort.
4353         * Makefile.in (c-common.o): Depend on libfuncs.h.
4354
4355         PR debug/39412
4356         * dwarf2out.c (gen_inlined_enumeration_type_die,
4357         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4358         gen_tagged_type_instantiation_die): Removed.
4359         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4360         do nothing.
4361
4362 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4363
4364         PR testsuite/38526
4365         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4366         its use.
4367         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4368         (check-parallel-%): Ditto.
4369         (check-consistency): Ditto.
4370
4371 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4372
4373         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4374         local variable rhs by NULL_TREE.
4375
4376 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4377
4378         PR target/39477
4379         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4380
4381 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4382
4383         PR target/39476
4384         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4385
4386 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4387
4388         PR target/39473
4389         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4390         for ms->sysv ABI calls only in 64bit mode.
4391
4392         * config/i386/i386.md (untyped_call): Support 32bit.
4393
4394 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4395
4396         * doc/extend.texi: Replace x86_65 with x86_64.
4397
4398 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4399
4400         PR tree-optimization/39455
4401         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4402         mismatches for POINTER_TYPE_P (type).
4403         (number_of_iterations_le): Likewise.
4404
4405 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4406
4407         * config/picochip/picochip.c: Removed profiling support.
4408         * config/picochip/picochip.md: Removed profiling instruction.
4409         * config/picochip/picochip.h: Removed profiling builtin.
4410
4411 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4412
4413         * doc/install.texi (--with-host-libstdcxx): Document.
4414
4415 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4416
4417         PR target/34299
4418         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4419         generate a warning if the function name does not begin with
4420         "__vector" and the function has either the 'signal' or 'interrupt'
4421         attribute, from here to ...
4422         (avr_declare_function_name): ...here. New function.
4423         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4424         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4425
4426 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4427
4428         PR bootstrap/39454
4429         * cse.c (fold_rtx): Don't modify original const_arg1 when
4430         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4431         separate variable instead.
4432         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4433         from out of range shift counts.
4434         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4435
4436 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4437
4438         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4439         diagnostic.h with $(DIAGNOSTIC_H).
4440
4441 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4442
4443         PR target/39431
4444         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4445         predicate.
4446         * config/i386/sync.md (sync_compare_and_swap<mode>,
4447         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4448         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4449         into a register.
4450         (sync_double_compare_and_swapdi_pic,
4451         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4452         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4453
4454 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4455
4456         PR target/39445
4457         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4458
4459 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4460
4461         PR target/39327
4462         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4463         (avx_addsubv4df3): Likewise.
4464         (*avx_addsubv4sf3): Likewise.
4465         (sse3_addsubv4sf3): Likewise.
4466
4467 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4468
4469         PR target/38824
4470         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4471
4472 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4473
4474         PR debug/39432
4475         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4476         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4477         registers for allocnos created from user-defined variables.
4478
4479 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4480
4481         PR target/39181
4482         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4483         of non-integer mode as well.
4484
4485 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4486
4487         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4488         for functions for which the parameter types are unknown.
4489
4490 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4491
4492         PR target/39137
4493         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4494         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4495         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4496         * config/i386/i386.c (ix86_local_alignment): For
4497         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4498         long long variables on the stack to avoid dynamic realignment.
4499         Allow the first argument to be a decl rather than type.
4500         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4501
4502 2009-03-11  Nick Clifton  <nickc@redhat.com>
4503
4504         PR target/5362
4505         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4506         options.
4507         Add description to mno-lsim option.
4508         * config/mcore/mcore.h: Remove comment about deprecated m4align
4509         option.
4510         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4511         * doc/invoke.texi: Add description of mno-lsim and
4512         mstack-increment options.
4513
4514         * config/fr30/fr30.opt: Document the -mno-lsim option.
4515         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4516         and -mno-lsim options.
4517
4518 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4519
4520         * fold-const.c (fold_comparison): Only call fold_inf_compare
4521         if the mode supports infinities.
4522
4523 2009-03-11  Jason Merrill  <jason@redhat.com>
4524
4525         PR debug/39086
4526         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4527         end already did.  Notice GIMPLE_CALL modifications of the result.
4528         Don't copy debug information from an ignored decl or a decl from
4529         another function.
4530
4531 2009-03-10  Richard Guenther  <rguenther@suse.de>
4532             Nathan Froyd  <froydnj@codesourcery.com>
4533
4534         PR middle-end/37850
4535         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4536         (__divMODE3): Likewise.
4537
4538 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4539
4540         PR tree-optimization/39394
4541         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4542         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4543
4544 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4545
4546         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4547         inline asms for register asm ("") declarations.
4548
4549 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4550
4551         * fold-const.c (fold_unary): Fix comment.
4552
4553 2009-03-07  Jan Hubicka  <jh@suse.cz>
4554
4555         PR target/39361
4556         * tree-inline.c (setup_one_parameter): Do replacement of const
4557         argument by constant in SSA form.
4558
4559 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4560
4561         PR middle-end/38028
4562         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4563         determine alignment passed to assign_stack_local.
4564         (assign_parms_unsplit_complex): Likewise.
4565         * except.c (sjlj_build_landing_pads): Likewise.
4566
4567 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4568
4569         PR middle-end/39360
4570         * tree-flow.h (add_referenced_var): Return bool instead of void.
4571         * tree-dfa.c (add_referenced_var): Return result of
4572         referenced_var_check_and_insert call.
4573         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4574         of referenced_var_check_and_insert.
4575
4576         PR debug/39372
4577         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4578         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4579         DIE, don't emit it if abstract origin already has it.
4580         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4581         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4582
4583 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4584
4585         * genpreds.c (needs_variable): Fix parentheses at variable name
4586         detection.
4587         (write_tm_constrs_h): Indent generated code.
4588
4589 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4590
4591         * doc/extend.texi (Function Attributes): Add documentation
4592         for isr attributes.
4593
4594 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4595
4596         PR debug/39387
4597         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4598         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4599
4600 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4601
4602         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4603         the loop as bad.
4604
4605 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4606
4607         PR debug/39379
4608         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4609         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4610
4611 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4612
4613         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4614         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4615         constants instead of magic numbers.
4616         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4617         (QI_REG_P): Ditto.
4618         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4619         (x86_64_ms_abi_int_parameter_registers): Ditto.
4620         (x86_64_int_return_registers): Ditto.
4621         (ix86_maybe_switch_abi): Ditto.
4622         (ix86_expand_call): Ditto for clobbered_registers array.
4623         (ix86_hard_regno_mode_ok): Ditto.
4624         (x86_extended_QIreg_mentioned_p): Ditto.
4625
4626 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4627
4628         PR tree-optimization/39349
4629         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4630
4631         * combine.c (gen_lowpart_for_combine): Use omode when generating
4632         clobber.
4633
4634 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4635
4636         PR rtl-optimization/39235
4637         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4638
4639 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4640
4641         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4642
4643 2009-03-04  Richard Guenther  <rguenther@suse.de>
4644
4645         PR tree-optimization/39362
4646         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4647         that occur in abnormal PHIs should be varying.
4648
4649 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4650
4651         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4652         Extend comments.
4653         (simple_iv):  Take loop as an argument instead of statement.
4654         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4655         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4656         to simple_iv.
4657         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4658         Ditto.
4659         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4660         * matrix-reorg.c (analyze_transpose): Ditto.
4661         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4662         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4663         * tree-predcom.c (ref_at_iteration): Ditto.
4664         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4665
4666 2009-03-04  Richard Guenther  <rguenther@suse.de>
4667
4668         PR tree-optimization/39358
4669         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4670         escaped_id and callused_id.
4671         (solve_graph): Likewise.
4672
4673 2009-03-04  Richard Guenther  <rguenther@suse.de>
4674
4675         PR tree-optimization/39339
4676         * tree-sra.c (try_instantiate_multiple_fields): Make it
4677         no longer ICE on the above.
4678
4679 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4680
4681         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4682         that fits within Pmode.
4683
4684 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4685
4686         PR middle-end/10109
4687         * tm.texi (LIBCALL_VALUE): Update description.
4688
4689 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4690
4691         PR middle-end/34443
4692         * doc/extend.texi (section): Update description.
4693
4694 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4695
4696         PR middle-end/39345
4697         * tree-inline.c (remapped_type): New.
4698         (can_be_nonlocal): Call remapped_type instead of remap_type.
4699
4700 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4701
4702         PR fortran/39354
4703         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4704         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4705
4706 2009-03-03  Richard Guenther  <rguenther@suse.de>
4707
4708         PR middle-end/39272
4709         * tree.c (tree_nonartificial_location): New function.
4710         * tree.h (tree_nonartificial_location): Declare.
4711         * builtins.c (expand_builtin_memory_chk): Provide location
4712         of the call location for artificial function pieces.
4713         (maybe_emit_chk_warning): Likewise.
4714         (maybe_emit_sprintf_chk_warning): Likewise.
4715         (maybe_emit_free_warning): Likewise.
4716         * expr.c (expand_expr_real_1): Likewise.
4717
4718 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4719
4720         PR tree-optimization/39343
4721         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4722         COMPONENT_REF t has ARRAY_TYPE.
4723
4724 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4725
4726         PR middle-end/39335
4727         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4728         when the type precision of the induction variable should be
4729         larger than the type precision of nit.
4730         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4731         * graphite.c (graphite_loop_normal_form): Same.
4732         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4733
4734 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4735
4736         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4737         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4738         numbers to describe clobbered registers.
4739         (*call_value_0_rex64_ms_sysv): Ditto.
4740         * config/i386/mmx.md (mmx_emms): Ditto.
4741         (mmx_femms): Ditto.
4742
4743 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4744
4745         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4746         of ABI_64.
4747
4748 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4749
4750         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4751         (spu_section_type_flags): New function.
4752
4753 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4754
4755         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4756         reg_class_contents of FLOAT_REGS into a temporary.
4757
4758 2009-03-02  Richard Guenther  <rguenther@suse.de>
4759             Ira Rosen  <irar@il.ibm.com>
4760
4761         PR tree-optimization/39318
4762         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4763         information to the vectorized statement.
4764
4765 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4766
4767         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4768         variable.  Use defined names instead of magic constants for REX SSE
4769         registers.
4770
4771 2009-03-01  Richard Guenther  <rguenther@suse.de>
4772
4773         PR tree-optimization/39331
4774         * omp-low.c (lower_send_shared_vars): Do not receive new
4775         values for the reference of DECL_BY_REFERENCE parms or results.
4776
4777 2009-03-01  Jan Hubicka  <jh@suse.cz>
4778
4779         PR debug/39267
4780         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4781         BLOCK_NONLOCALIZED_VAR): New macros.
4782         (tree_block): Add nonlocalized_vars.
4783         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4784         gen_decl_die): Add origin argument.  Allow generation of die with
4785         origin at hand only.
4786         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4787         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4788         of gen_*.
4789         (gen_block_die): Fix checking for unused blocks.
4790         (process_scope_var): Break out from .... ; work with origins only.
4791         (decls_for_scope) ... here; process nonlocalized list.
4792         (dwarf2out_ignore_block): Look for nonlocalized vars.
4793         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4794         vars.
4795         (dump_scope_block): Dump them.
4796         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4797         (remap_block): Likewise.
4798         (can_be_nonlocal): New predicate.
4799         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4800
4801 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4802
4803         * configure: Regenerate.
4804
4805 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4806
4807         * optc-gen.awk: No need to duplicate option flags twice.
4808         Reuse help texts for duplicate options which do not have any.
4809
4810         * gcc.c (display_help): Document --version.
4811
4812         * gcc.c (main): If print_help_list and verbose_flag, ensure
4813         driver output comes before subprocess output.
4814
4815         * optc-gen.awk: Assign all remaining fields to help string,
4816         space-separated, for multi-line help in *.opt.
4817
4818         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4819         -Wno-pedantic-ms-format is for MinGW targets only.
4820
4821         * doc/options.texi (Option file format): Fix bad indentation,
4822         restoring dropped sentence.
4823
4824 2009-02-28  Jan Hubicka  <jh@suse.cz>
4825
4826         * tree-inline.c (tree_function_versioning): Output debug info.
4827
4828 2009-02-28  Jan Hubicka  <jh@suse.cz>
4829
4830         PR debug/39267
4831         * tree-inline.c (setup_one_parameter): Do not copy propagate
4832         arguments when not optimizing.
4833
4834 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4835
4836         PR target/39327
4837         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4838         (avx_addsubv4df3): Likewise.
4839         (*avx_addsubv4sf3): Likewise.
4840         (sse3_addsubv4sf3): Likewise.
4841         (*avx_addsubv2df3): Likewise.
4842         (sse3_addsubv2df3): Likewise.
4843         (avx_unpckhps256): Correct item selectors.
4844         (avx_unpcklps256): Likewise.
4845         (avx_unpckhpd256): Likewise.
4846         (avx_unpcklpd256): Likewise.
4847
4848 2009-02-28  Jan Hubicka  <jh@suse.cz>
4849
4850         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4851         static vars.
4852         (copy_arguments_for_versioning): If var is declared don't declare it.
4853         (tree_function_versioning): First setup substitutions and then copy
4854         args.
4855
4856 2009-02-27  Jan Hubicka  <jh@suse.cz>
4857
4858         PR debug/39267
4859         * cgraph.h (varpool_output_debug_info): Remove.
4860         * cgraphunit.c (varpool_output_debug_info): Remove.
4861         * dwarf2out.c (deferred_locations_struct): New struct
4862         (deferred_locations): New type.
4863         (deferred_locations_list): New static var.
4864         (deffer_location): New function.
4865         (gen_variable_die): Use it.
4866         (decls_for_scope): Output info on local static vars.
4867         (dwarf2out_finish): Process deferred locations.
4868         * varpool.c (varpool_output_debug_info): Remove.
4869
4870 2009-02-27  Jan Hubicka  <jh@suse.cz>
4871
4872         PR debug/39267
4873         * tree.h (TREE_PROTECTED): Fix comment.
4874         (BLOCK_HANDLER_BLOCK): Remove.
4875         (struct tree_block): Remove handler_block add body_block.
4876         (inlined_function_outer_scope_p): New.
4877         (is_body_block): Remove.
4878         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4879         * dwarf2out.c (is_inlined_entry_point): Remove.
4880         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4881         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4882         code.
4883         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4884         * gimplify.c (gimplify_expr): Gimplify body blocks.
4885         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4886         block with multiple subblocks.
4887         (dump_scope_block): Prettier output; dump more flags and info.
4888         (dump_scope_blocks): New.
4889         (remove_unused_locals): Use dump_scope_blocks.
4890         * tree-flow.h (dump_scope_blocks): Declare.
4891         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4892         * stmt.c (is_body_block): Remove.
4893         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4894         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4895
4896 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4897
4898         PR middle-end/39308
4899         * graphite.c (graphite_loop_normal_form): Do not call 
4900         number_of_iterations_exit from a gcc_assert.
4901
4902 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4903
4904         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
4905         jumps if COND is NULL.
4906         (find_cond_jump): New function.
4907         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
4908         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
4909
4910 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
4911
4912         * config/alpha/alpha.h (alpha_expand_mov): Return false if
4913         force_const_mem returns NULL_RTX.
4914
4915 2009-02-26  Jan Hubicka  <jh@suse.cz>
4916
4917         PR debug/39267
4918         * cgraph.h (varpool_output_debug_info): Remove.
4919         * cgraphunit.c (varpool_output_debug_info): Remove.
4920         * dwarf2out.c (deferred_locations_struct): New struct
4921         (deferred_locations): New type.
4922         (deferred_locations_list): New static var.
4923         (deffer_location): New function.
4924         (gen_variable_die): Use it.
4925         (decls_for_scope): Output info on local static vars.
4926         (dwarf2out_finish): Process deferred locations.
4927         * varpool.c (varpool_output_debug_info): Remove.
4928
4929 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
4930
4931         PR rtl-optimization/39241
4932         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
4933         to subreg_offset_representable_p.
4934
4935 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4936
4937         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
4938         execute function prototype.  Get f and nregs from max_reg_num
4939         and get_insns.  Remove the first backward pass as it's dead,
4940         guard the forward pass by flag_expensive_optimizations.
4941         (rest_of_handle_regmove): Delete.
4942         (pass_regmove): Replace it with regmove_optimize.
4943
4944 2009-02-25  Martin Jambor  <mjambor@suse.cz>
4945
4946         PR tree-optimization/39259
4947         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
4948         calls_alloca function flags.
4949         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
4950         calls are detected.
4951
4952 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
4953
4954         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
4955         flags_set_1_rtx, flags_set_1_set): Delete.
4956         (regmove_optimize): Do not call mark_flags_life_zones.
4957
4958 2009-02-24  Julian Brown  <julian@codesourcery.com>
4959
4960         PR target/35965
4961         * config/arm/arm.c (require_pic_register): Only set
4962         cfun->machine->pic_reg once per function.
4963
4964 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
4965
4966         * doc/invoke.texi (Link Options): Document an easier way to pass
4967         options that take arguments to the GNU linker using -Xlinker and -Wl.
4968
4969 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
4970
4971         PR target/33785
4972         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
4973
4974 2009-02-24  Richard Guenther  <rguenther@suse.de>
4975
4976         PR debug/39285
4977         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
4978
4979 2009-02-24  Richard Guenther  <rguenther@suse.de>
4980             Zdenek Dvorak  <ook@ucw.cz>
4981
4982         PR tree-optimization/39233
4983         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
4984         from converting them to a generic type.
4985
4986 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
4987
4988         PR tree-optimization/39260
4989         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
4990         contains a condition with a real type.
4991         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
4992
4993 2009-02-23  Jason Merrill  <jason@redhat.com>
4994
4995         PR c++/38880
4996         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
4997         narrowing_initializer_constant_valid_p.
4998         (narrowing_initializer_constant_valid_p): Don't return 
4999         null_pointer_node for adding a pointer to itself.
5000
5001 2009-02-23  Jan Hubicka  <jh@suse.cz>
5002
5003         PR c/12245
5004         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5005         resizing.
5006
5007 2009-02-23  Jan Hubicka  <jh@suse.cz>
5008
5009         PR tree-optimization/37709
5010         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5011         * tree.h (block_ultimate_origin): Declare.
5012         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5013         * tree-ssa-live.c (remove_unused_scope_block_p):
5014         Eliminate blocks containig no instructions nor live variables nor
5015         nested blocks.
5016         (dump_scope_block): New function.
5017         (remove_unused_locals): Enable removal of dead blocks by default;
5018         enable dumping at TDF_DETAILS.
5019
5020 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5021
5022         * config/i386/i386.c (classify_argument): Don't allow COImode
5023         and OImode.
5024         (function_arg_advance_32): Don't allow OImode.
5025         (function_arg_32): Likewise.
5026         (function_value_32): Likewise.
5027         (return_in_memory_32): Likewise.
5028         (function_arg_64): Remove OImode comment.
5029
5030 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5031
5032         PR target/39261
5033         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5034         ix86_expand_vector_set for V4DImode in 64bit mode only.
5035         (ix86_expand_vector_init_one_var): Likewise.
5036
5037 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5038
5039         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5040
5041 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5042
5043         PR bootstrap/39257
5044         * loop-iv.c: Revert last change.
5045         * emit-rtl.c: Likewise.
5046
5047 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5048
5049         PR target/39256
5050         * config/i386/i386.c (type_natural_mode): Remove an extra
5051         space in the warning message.
5052         (function_value_32): Handle 32-byte vector modes.
5053         (return_in_memory_32): Likewise.
5054
5055 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5056
5057         * loop-iv.c (truncate_value): New function.
5058         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5059         of lowpart_subreg.
5060         (lowpart_subreg): Move to...
5061         * emit-rtl.c: ...here.
5062
5063 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5064
5065         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5066         accidental and undocumented change at revision 140860.
5067
5068 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5069
5070         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5071         take gimple_seq * arguments.
5072         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5073         types_compatible_p langhook.
5074
5075 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5076             Joseph Myers  <joseph@codesourcery.com>
5077
5078         * config/arm/arm.c (arm_builtin_va_list): New function.
5079         (arm_expand_builtin_va_start): Likewise.
5080         (arm_gimplify_va_arg_expr): Likewise.
5081         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5082         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5083         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5084         (va_list_type): New variable.
5085         (arm_mangle_type): Mangle va_list_type appropriately.
5086
5087 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5088
5089         PR middle-end/39157
5090         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5091         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5092         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5093         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5094         parameter to 1000 for -O1 by default.
5095         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5096         parameter.
5097         * loop-invariant.c: Include params.h.
5098         (move_loop_invariants): Don't call move_single_loop_invariants on
5099         very large loops.
5100
5101 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5102
5103         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5104         offset when calculating bounds for indexing stack_usage_map.  Fixes
5105         a buffer overflow with certain target setups.
5106
5107 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR target/39240
5110         * calls.c (expand_call): Clear try_tail_call if caller and callee
5111         disagree in promotion of function return value.
5112
5113 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5114
5115         PR target/39175
5116         * c-common.c (c_determine_visibility): If visibility changed and
5117         DECL_RTL has been already set, call make_decl_rtl to update symbol
5118         flags.
5119
5120 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5121
5122         PR c++/39188
5123         * varasm.c (assemble_variable): Don't check DECL_NAME when
5124         globalizing a variable.
5125
5126 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5127
5128         PR c/38483
5129         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5130         expression before any __builtin_trap call.
5131         * c-typeck.c (build_function_call): Convert and check function
5132         arguments before generating a call to a trap.  Evaluate the
5133         function arguments before the trap.
5134
5135 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5136
5137         PR target/39228
5138         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5139         (UNSPEC_FXAM_MEM): New unspec.
5140         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5141         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5142         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5143
5144 2009-02-19  Richard Guenther  <rguenther@suse.de>
5145
5146         PR tree-optimization/39207
5147         PR tree-optimization/39074
5148         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5149         storedanything_tree): New.
5150         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5151         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5152         (build_succ_graph): Add edges from STOREDANYTHING to all
5153         non-direct nodes.
5154         (init_base_vars): Initialize STOREDANYTHING.
5155         (compute_points_to_sets): Free substitution info after
5156         building the succ graph.
5157         (ipa_pta_execute): Likewise.
5158
5159         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5160         field.
5161         (do_ds_constraint): Do not add to special var or non-pointer
5162         field solutions.
5163         (type_could_have_pointers): Split out from ...
5164         (could_have_pointers): ... here.  For arrays use the element type.
5165         (create_variable_info_for): Initialize may_have_pointers.
5166         (new_var_info): Likewise.
5167         (handle_lhs_call): Make the HEAP variable unknown-sized.
5168         (intra_create_variable_infos): Use a type with pointers for
5169         PARM_NOALIAS, make it unknown-sized.
5170
5171 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5172
5173         PR target/39224
5174         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5175
5176 2009-02-18  Jason Merrill  <jason@redhat.com>
5177
5178         PR target/39179
5179         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5180         value if DECL_EXTERNAL.
5181         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5182         * target.h (gcc_target::binds_local_p): Clarify "module".
5183         * tree.h (TREE_PUBLIC): Clarify "module".
5184
5185 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5186
5187         PR target/38891
5188         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5189         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5190
5191 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5192
5193         PR target/39082
5194         * c.opt (Wabi): Support C and ObjC.
5195         (Wpsabi): New.
5196
5197         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5198
5199         * config/i386/i386.c (classify_argument): Warn once about the ABI
5200         change when passing union with long double.
5201
5202         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5203
5204 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5205
5206         PR c/35447
5207         * c-parser.c (c_parser_compound_statement): Always enter and leave
5208         a scope.
5209
5210 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5211
5212         PR target/34587
5213         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5214
5215 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5216
5217         PR tree-optimization/36922
5218         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5219         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5220         Likewise.
5221
5222 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5223
5224         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5225         to 0 for EABI64.
5226
5227 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5228
5229         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5230
5231 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5232
5233         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5234         tree sharing.
5235
5236 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5237             Richard Sandiford  <rdsandiford@googlemail.com>
5238
5239         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5240         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5241         (loongson_biadd): ...this.
5242
5243 2009-02-17  Richard Guenther  <rguenther@suse.de>
5244
5245         PR tree-optimization/39202
5246         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5247         a var make sure to follow existing collapses.
5248
5249 2009-02-17  Richard Guenther  <rguenther@suse.de>
5250
5251         PR middle-end/39214
5252         * langhooks.c (lhd_print_error_function): Check for NULL block.
5253
5254 2009-02-17  Richard Guenther  <rguenther@suse.de>
5255
5256         PR tree-optimization/39204
5257         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5258         of the PHI arg.
5259
5260 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5261
5262         * config/soft-fp/double.h: Update from glibc CVS.
5263
5264 2009-02-17  Richard Guenther  <rguenther@suse.de>
5265
5266         PR tree-optimization/39207
5267         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5268         strict-aliasing warnings for pointers pointing to NULL.
5269
5270 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5271
5272         PR c/35446
5273         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5274         skipping until next close brace.
5275
5276 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5277
5278         PR target/37049
5279         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5280         to function argument boundary.
5281
5282 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5283
5284         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5285         in the lea_add. Reload eventually constraints it properly.
5286         * config/picochip/constraints.md : Remove the target constraint
5287         "b", since it is not needed anymore.
5288
5289 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5290
5291         * gthr-dce.h: Uglify function parameter and local variable names.
5292         * gthr-gnat.h: Likewise.
5293         * gthr-mipssde.h: Likewise.
5294         * gthr-nks.h: Likewise.
5295         * gthr-posix95.h: Likewise.
5296         * gthr-posix.h: Likewise.
5297         * gthr-rtems.h: Likewise.
5298         * gthr-single.h: Likewise.
5299         * gthr-solaris.h: Likewise.
5300         * gthr-tpf.h: Likewise.
5301         * gthr-vxworks.h: Likewise.
5302         * gthr-win32.h: Likewise.
5303
5304 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5305
5306         PR target/39196
5307         * config/i386/i386.md: Restrict the new peephole2 to move
5308         between MMX/SSE registers.
5309
5310 2009-02-15  Richard Guenther  <rguenther@suse.de>
5311
5312         Revert
5313         2009-02-13  Richard Guenther  <rguenther@suse.de>
5314
5315         * configure.ac: Enable LFS.
5316         * configure: Re-generate.
5317         * config.in: Likewise.
5318
5319 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5320
5321         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5322         spu_srqwbyte, spu_srqwbytebc): Define.
5323         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5324         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5325         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5326         "shrqby_<mode>"): New insn-and-split patterns.
5327         * config/spu/spu.c (expand_builtin_args): Determine and return
5328         number of operands using spu_builtin_description data.
5329         (spu_expand_builtin_1): Use it.
5330
5331 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5332
5333         PR target/38056
5334         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5335         TARGET_CONST_GP.
5336
5337 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5338
5339         PR target/39149
5340         * config/i386/i386.c (override_options): Correct warning
5341         messages for -malign-loops, -malign-jumps and -malign-functions.
5342
5343 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5344
5345         PR target/39152
5346         * config/i386/i386.md: Restrict the new peephole2 to move
5347         between the general purpose registers.
5348
5349 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5350
5351         PR target/39162
5352         * config/i386/i386.c (type_natural_mode): Add a new argument.
5353         Return the original mode and warn ABI change if vector size is 32byte.
5354         (function_arg_advance): Updated.
5355         (function_arg): Likewise.
5356         (ix86_function_value): Likewise.
5357         (ix86_return_in_memory): Likewise.
5358         (ix86_sol10_return_in_memory): Likewise.
5359         (ix86_gimplify_va_arg): Likewise.
5360         (function_arg_32): Don't warn ABX ABI change here.
5361         (function_arg_64): Likewise.
5362
5363 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5364
5365         * loop-iv.c (implies_p): In the final case, test that operands 0
5366         of the two comparisons match.
5367
5368         * config/bfin/bfin.c (find_prev_insn_start): New function.
5369         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5370         (find_next_insn_start): Move.
5371
5372 2009-02-13  Richard Guenther  <rguenther@suse.de>
5373
5374         * configure.ac: Enable LFS.
5375         * configure: Re-generate.
5376         * config.in: Likewise.
5377
5378 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5379
5380         PR c/35444
5381         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5382         sizes on syntax error after some arguments have been parsed.
5383
5384 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5385
5386         * doc/invoke.texi (-fira): Remove.
5387
5388 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5389
5390         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5391         * recog.c: Likewise.
5392         * rtl.h: Likewise.
5393
5394 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5395
5396         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5397         (umul_ppmm): Likewise.
5398         (count_leading_zeros): Likewise.
5399         (count_trailing_zeros): Likewise.
5400         (UMUL_TIME): Likewise.
5401
5402 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5403
5404         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5405         soft-fp/t-softfp to tmake_file.
5406
5407         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5408         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5409         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5410         IA64_BUILTIN_INFQ]: New.
5411         (ia64_init_builtins): Initialize __builtin_infq,
5412         __builtin_fabsq and __builtin_copysignq if not HPUX.
5413         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5414         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5415
5416         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5417         SHARED is defined.
5418         (__fixtfti): Likewise.
5419         (__fixunstfti): Likewise.
5420         (__floattitf): Likewise.
5421
5422         * config/ia64/libgcc-glibc.ver: New.
5423         * config/ia64/t-fprules-softfp: Likewise.
5424         * config/ia64/sfp-machine.h: Likewise.
5425
5426         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5427         (LIBGCC2_TF_CEXT): Likewise.
5428         (TF_SIZE): Likewise.
5429         (TARGET_INIT_LIBFUNCS): Likewise.
5430
5431         * config/ia64/t-glibc (SHLINB_MAPFILES):
5432         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5433
5434 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5435
5436         * config/i386/i386.c (construct_container): Rewrite processing
5437         BLKmode with X86_64_SSE_CLASS.
5438
5439 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5440
5441         PR target/39152
5442         * config/i386/i386.md: Replace simplify_replace_rtx with
5443         replace_rtx in the new peephole2.
5444
5445 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5446
5447         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5448         loop unrolling do not happen at -O2.
5449
5450 2009-02-12  Michael Matz  <matz@suse.de>
5451
5452         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5453
5454 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5455
5456         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5457         for -g3.
5458
5459 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5460
5461         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5462         patterns when updating the back chain.  Missed in the 2009-02-10
5463         change.
5464
5465 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5466
5467         * doc/extend.texi (Decimal Floating Types): Update identifier of
5468         draft TR and list of missing support.
5469
5470 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5471
5472         PR middle-end/39154
5473         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5474         bit to variable length decl's flags, add it also to its
5475         pointer replacement variable.
5476
5477 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5478             Jakub Jelinek  <jakub@redhat.com>
5479
5480         PR target/39118
5481         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5482         (memory_blockage): New expander.
5483         (*memory_blockage): New insn pattern.
5484         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5485         instead of general blockage at the end of function prologue when
5486         frame pointer is used to access red zone area.  Do not emit blockage
5487         when profiling, it is emitted in generic code.
5488         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5489         function epilogue when frame pointer is used to access red zone area.
5490
5491 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5492
5493         PR target/38824
5494         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5495         by arithmetic with memory operands.
5496         * config/i386/predicates.md (commutative_operator): New.
5497
5498 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5499
5500         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5501         bulleted lists.
5502
5503 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5504
5505         * alias.h (record_alias_subset): Declare.
5506         * alias.c (record_alias_subset): Make global.
5507
5508 2009-02-10  Nick Clifton  <nickc@redhat.com>
5509
5510         * tree-parloops.c: Change license to GPLv3.
5511         * ipa-struct-reorg.c: Change license to GPLv3.
5512         * ipa-struct-reorg.h: Change license to GPLv3.
5513
5514 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5515
5516         PR c/39084
5517         * c-decl.c (start_struct): Return NULL on error.
5518
5519 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5520
5521         PR middle-end/39124
5522         * cfgloopmanip.c (remove_path): Call remove_bbs after
5523         cancel_loop_tree, not before it.
5524
5525         PR target/39139
5526         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5527         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5528         VAR_DECLs were seen.
5529         * tree-ssa-live.c (remove_unused_locals): Recompute
5530         cfun->has_local_explicit_reg_vars.
5531         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5532         copies or clearings if cfun->has_local_explicit_reg_vars.
5533
5534 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5535
5536         PR target/39118
5537         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5538         of function prologue when frame pointer is used to access
5539         red zone area.
5540
5541 2009-02-10  Richard Guenther  <rguenther@suse.de>
5542
5543         PR middle-end/39127
5544         * gimplify.c (gimple_regimplify_operands): Always look if
5545         we need to create a temporary.
5546
5547 2009-02-10  Richard Guenther  <rguenther@suse.de>
5548
5549         PR tree-optimization/39132
5550         * tree-loop-distribution.c (todo): New global var.
5551         (generate_memset_zero): Trigger TODO_rebuild_alias.
5552         (tree_loop_distribution): Return todo.
5553
5554 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5555
5556         PR target/39119
5557         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5558         (x86_64_reg_class_name): Removed.
5559         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5560         first one isn't X86_64_SSE_CLASS or any other ones aren't
5561         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5562         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5563         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5564         and 3 X86_64_SSEUP_CLASS.
5565         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5566         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5567
5568 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5569
5570         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5571         form instruction to update the stack back chain word, even if the
5572         user has disabled the generation of update instructions.
5573         (movdi_<mode>_update_stack): New.
5574         (movsi_update_stack): Likewise.
5575         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5576         always use an update form instruction to update the stack back
5577         chain word.
5578
5579 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5580
5581         PR middle-end/38953
5582         * graphite.c (if_region_set_false_region): After moving a region in
5583         the false branch of a condition, remove the empty dummy basic block.
5584         (gloog): Remove wrong fix for PR38953.
5585
5586 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5587
5588         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5589         generation due to implicit sign extension.
5590
5591 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5592
5593         PR middle-end/38981
5594         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5595         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5596
5597 2009-02-09  Richard Guenther  <rguenther@suse.de>
5598
5599         PR middle-end/35202
5600         * convert.c (convert_to_real): Disable (float)fn((double)x)
5601         to fnf(x) conversion if errno differences may occur and
5602         -fmath-errno is set.
5603
5604 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5605
5606         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5607         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5608         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5609
5610 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5611
5612         PR c/35434
5613         * c-common.c (handle_alias_attribute): Disallow attribute for
5614         anything not a FUNCTION_DECL or VAR_DECL.
5615
5616 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5617
5618         PR c/39035
5619         * real.c (do_compare): Special-case compare of zero against
5620         decimal float value.
5621
5622 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5623
5624         PR c/36432
5625         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5626         as indicating flexible array members unless the field itself is
5627         being declarared as the incomplete array.
5628
5629 2009-02-06  Jan Hubicka  <jh@suse.cz>
5630
5631         PR tree-optimization/38844
5632         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5633         is already inlined.
5634
5635 2009-02-06  Richard Guenther  <rguenther@suse.de>
5636
5637         PR middle-end/38977
5638         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5639         fork because we may expand it as __gcov_fork.
5640
5641 2009-02-06  Nick Clifton  <nickc@redhat.com>
5642
5643         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5644
5645 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5646
5647         PR tree-optimization/35659
5648         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5649         vn_phi_eq): Shortcut if hashcode does not match.
5650         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5651         NULL operands.
5652         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5653         and avoid iterative_hash_expr.
5654         (FOR_EACH_VALUE_ID_IN_SET): New.
5655         (value_id_compare): Remove.
5656         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5657         sort expressions by value id.
5658
5659 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5660
5661         PR target/38991
5662         * config/sh/predicates.md (general_movsrc_operand): Don't check
5663         the subreg of system registers here.
5664
5665 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5666
5667         PR c++/39106
5668         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5669         on the copied decl.
5670
5671 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5672
5673         PR rtl-optimization/39110
5674         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5675         addresses, not aligned ones.
5676
5677 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5678             Richard Guenther  <rguenther@suse.de>
5679
5680         PR tree-optimization/39100
5681         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5682         comment says and add edges.
5683
5684 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5685
5686         PR c/35435
5687         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5688         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5689
5690 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5691
5692         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5693         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5694         register_bb_in_sese, new_sese, free_sese): Moved.
5695         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5696         outermost_loop_in_scop, build_scop_iteration_domain,
5697         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5698         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5699         Use loop_in_sese_p instead of loop_in_scop_p.
5700         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5701         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5702         (scopdet_basic_block_info): Fix bug in scop detection.
5703         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5704         eq_loop_to_cloog_loop): Remove.
5705         (nb_loops_around_loop_in_scop, nb_loop
5706         ref_nb_loops): Moved here...
5707         * graphite.h (ref_nb_loops): ... from here.
5708         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5709         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5710         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5711         * testsuite/gcc.dg/graphite/scop-19.c: New
5712
5713 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5714             Hans-Peter Nilsson  <hp@axis.com>
5715
5716         PR rtl-optimization/37889
5717         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5718         Move offset handling from PLUS to before the switch.  Use new
5719         arguments when considering SYMBOL_REFs too.
5720         (rtx_addr_can_trap_p): Pass dummy offset and size.
5721         (enum may_trap_p_flags): Remove.
5722         (may_trap_p_1): Pass size from MEM_SIZE.
5723
5724         PR rtl-optimization/38921
5725         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5726         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5727         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5728         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5729
5730 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5731
5732         AVX Programming Reference (January, 2009)
5733         * config/i386/sse.md (*vpclmulqdq): New.
5734
5735 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5736
5737         PR tree-optimization/38977
5738         PR gcov-profile/38292
5739         * calls.c (special_function_p): Disregard __builtin_ prefix.
5740
5741 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5742
5743         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5744         non-indexable addresses even before reload.
5745
5746 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5747
5748         PR c/29129
5749         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5750         as having variable size.  Do not give an error for unnamed
5751         parameters with [*] declarators.  Give a warning for type names
5752         with [*] declarators and mark them as variable size.
5753         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5754         for sizeof applied to [*] type names.
5755
5756 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5757
5758         PR C++/36607
5759         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5760
5761 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5762
5763         * gcc.c (process_command): Update copyright notice dates.
5764         * gcov.c (print_version): Likewise.
5765         * gcov-dump.c (print_version): Likewise.
5766         * mips-tfile.c (main): Likewise.
5767         * mips-tdump.c (main): Likewise.
5768
5769 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5770
5771         PR c/35433
5772         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5773         for composite type involving a zero-length array type.
5774
5775 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5776
5777         PR target/35318
5778         * function.c (match_asm_constraints_1): Skip over
5779         initial optional % in the constraint.
5780
5781         PR inline-asm/39059
5782         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5783         supported, don't accept FIXED_CSTs.
5784         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5785         and _Sat is used without _Fract/_Accum.  Set specs->type to
5786         integer_type_node for cts_fract/cts_accum if fixed point is not
5787         supported.
5788
5789 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5790
5791         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5792
5793 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5794
5795         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5796         (ABI_HAS_64BIT_SYMBOLS): Use it.
5797         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5798
5799 2009-02-02  Paul Brook  <paul@codesourcery.com>
5800
5801         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5802
5803 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5804
5805         PR inline-asm/39058
5806         * recog.h (asm_operand_ok): Add constraints argument.
5807         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5808         recurse on matching constraint.
5809         (check_asm_operands): Pass constraints as 3rd argument to
5810         asm_operand_ok.  Don't look up matching constraint here.
5811         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5812         to asm_operand_ok.
5813
5814 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5815
5816         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5817         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5818
5819 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5820
5821         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5822         information.  Remove some obsolete information.  Reorganize.
5823
5824         * config/pa/fptr.c: Revert license to GPL 2.
5825         * config/pa/milli64.S: Likewise.
5826
5827 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5828
5829         PR target/38904
5830         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5831         LIBRARY name in, instead of hard-coding it.
5832         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5833         extra target make frag to tmake_files according to EH model.
5834         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5835         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5836         frags that define makefile variable EH_MODEL appropriately.
5837         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5838         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5839         to "-sjlj" according to type of EH configured.
5840         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5841         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5842         to "_sjlj" according to type of EH configured.
5843         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5844         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5845         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5846         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5847         string value of "pe_dll" command-line option.
5848         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5849         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5850         (SHLIB_IMPLIB):  Override t-cygming default.
5851         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5852         string value of "pe_dll" command-line option.
5853
5854 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5855
5856         PR target/38952
5857         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5858         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5859
5860 2009-01-31  Richard Guenther  <rguenther@suse.de>
5861
5862         PR tree-optimization/38937
5863         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5864         computing the transitive closure.
5865
5866 2009-01-30  Richard Guenther  <rguenther@suse.de>
5867
5868         PR tree-optimization/39041
5869         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5870         Propagate variable indices only if the types match for this stmt.
5871
5872 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5873
5874         PR target/39013
5875         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5876         inline but never defined.
5877
5878 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5879
5880         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5881         (*insv_h_di_reg_extimm): New insn.
5882         (*insv_l<mode>_reg_extimm): New insn.
5883
5884 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5885
5886         * config/picochip/picochip.c (flag_conserve_stack): set
5887         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5888         fconserve-stack. Reduce call-overhead used by inliner.
5889
5890 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5891
5892         PR/38157
5893         * common.opt (flag_conserve_stack): Initialised to zero.
5894
5895 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5896
5897         PR/39002
5898         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5899         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5900         method.
5901
5902 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
5903
5904         * ira-color.c (allocno_reload_assign): Update comments.
5905         * regmove.c (regmove_optimize): Likewise.
5906
5907         * ra.h: Removed.
5908
5909 2009-01-29  Robert Millan  <rmh@aybabtu.com>
5910
5911         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
5912         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
5913         `MD_UNWIND_SUPPORT'.
5914         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
5915
5916 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
5917
5918         PR tree-optimization/39007
5919         * tree-loop-distribution.c (generate_builtin): Use
5920         recompute_dominator to compute the immediate dominator of the
5921         basic block just after the loop.
5922
5923 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5924
5925         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
5926         (ASM_OUTPUT_DWARF_PCREL): Define.
5927
5928 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
5929
5930         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
5931         * doc/passes.texi: Remove entries about regclass, local-alloc, and
5932         global.  Modify entries about regmove and IRA.
5933
5934         * ra-conflict.c: Remove the file.
5935
5936         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
5937
5938         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
5939         (pass_regclass_init): Rename to pass_reginfo_init.
5940
5941         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
5942
5943         * toplev.h (flag_ira): Remove.
5944
5945         * caller-save.c (setup_save_areas): Remove flag_ira.
5946
5947         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
5948
5949         * global.c: Remove the file.
5950
5951         * opts.c (decode_options): Remove flag_ira.
5952
5953         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
5954
5955         * regmove.c: Modify file description.
5956         (find_use_as_address, try_auto_increment): Define them only if
5957         AUTO_INC_DEC is defined.
5958         (replacement_quality, replace_in_call_usage, fixup_match_1,
5959         stable_and_no_regs_but_for_p): Remove.
5960         (reg_set_in_bb): Make it static.
5961         (regmove_optimize): Remove flag_ira and code which worked for
5962         !flag_ira.
5963
5964         * local-alloc.c: Remove the file.
5965
5966         * common.opt (fira): Remove.
5967
5968         * ira.c: Include except.h.
5969         (eliminable_regset): Move from global.c.
5970         (mark_elimination): Ditto.  Remove flag_ira.
5971         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
5972         equiv_mem_modified, validate_equiv_mem_from_store,
5973         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
5974         contains_replace_regs, memref_referenced_p, memref_used_between_p,
5975         no_equiv, recorded_label_ref): Move from local-alloc.c.
5976         (update_equiv_regs): Ditto.  Make it static.
5977         (print_insn_chain, print_insn_chains): Move it from global.c.
5978         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
5979         (build_insn_chain): Ditto.  Make it static.
5980         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
5981         Rename to init_live_subregs.
5982         (gate_ira): Remove flag_ira.
5983
5984         * regclass.c: Rename reginfo.c.  Change file description.
5985         (FORBIDDEN_INC_DEC_CLASSES): Remove.
5986         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
5987         (init_reg_sets_1): Remove code for evaluation of
5988         reg_class_superclasses and losing_caller_save_reg_set.
5989         (init_regs): Remove init_reg_autoinc.
5990         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
5991         ok_for_base_p_nonstrict): Remove.
5992         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
5993         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
5994         corresponding entries.
5995         (dump_regclass, record_operand_costs, scan_one_insn,
5996         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
5997         record_address_regs, auto_inc_dec_reg_p): Remove.
5998         (gt-regclass.h): Rename to gt-reginfo.h.
5999
6000         * rtl.h (dump_global_regs, retry_global_alloc,
6001         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6002
6003         * Makefile.in (RA_H): Remove.
6004         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6005         Rename regclass.o to reginfo.o.
6006         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6007         gt-reginfo.h.
6008         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6009         (GTFILES): Rename regclass.c to reginfo.c.
6010
6011         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6012         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6013
6014         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6015         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6016         Remove flag_ira.
6017         (finish_spills): Ditto.  Remove code for !flag_ira.
6018         
6019 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6020
6021         PR middle-end/35854
6022         * doc/invoke.texi (rtl debug options): Complete rewrite.
6023         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6024         to auto_inc_dec".
6025         * mode-switching.c (pass_mode_switching): Rename pass from
6026         "mode-sw" to "mode_sw".
6027         * except.c (pass_convert_to_eh_ranges): Rename pass from
6028         "eh-ranges" to "eh_ranges".
6029         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6030         to "subreg1".
6031                 
6032         
6033 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6034             Alexander Monakov  <amonakov@ispras.ru>
6035
6036         PR middle-end/38857
6037         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6038         register.
6039         (move_exprs_to_boundary): Change return type and pass through
6040         should_move from move_op.  Relax assert.  Update usage ...
6041         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6042         cant_move.
6043         (move_op_orig_expr_found): Indicate that insn was disconnected from
6044         stream.
6045         (code_motion_process_successors): Do not call after_merge_succs
6046         callback if original expression was not found when traversing any of
6047         the branches.
6048         (code_motion_path_driver): Change return type.  Update prototype.
6049         (move_op): Update comment.  Add a new parameter (should_move).  Update
6050         prototype.  Set *should_move based on indication provided by
6051         move_op_orig_expr_found.
6052
6053 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6054
6055         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6056         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6057         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6058         * config/rs6000/rs6000.c (rs6000_override_options): Default
6059         avoid-indexed-addresses on for Power6, off for everything else.
6060         (avoiding_indexed_address_p): New function.
6061         (rs6000_legitimize_address): Use it.
6062         (rs6000_legitimate_address): Likewise.
6063         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6064
6065 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6066
6067         PR tree-optimization/38997
6068         * tree-loop-distribution.c (generate_memset_zero): Use
6069         POINTER_PLUS_EXPR for a pointer addition.
6070
6071 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6072
6073         * config/s390/s390.md (bswap<mode>2): New pattern added.
6074
6075 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6076
6077         * config/s390/s390.md (*tls_load_31): Added type attribute.
6078
6079 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6080
6081         * config/s390/s390.md: Fix a few comments.
6082
6083 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6084
6085         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6086         (*tm<mode>_full): Fixed z10prop attribute.
6087         (*tst<mode>_extimm): Fixed z10prop attribute.
6088         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6089         (*tstqiCCT_cconly): Fixed z10prop attribute.
6090         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6091         (*movsi_larl): Fixed z10prop attribute.
6092         (*movsi_zarch): Fixed z10prop attribute.
6093         (*movsi_eas): Fixed z10prop attribute.
6094         (*movhi): Fixed z10prop attribute.
6095         (*movqi): Fixed z10prop attribute.
6096         (*movstrictqi): Fixed z10prop attribute.
6097         (*mov<mode>): Fixed z10prop attribute.
6098         (*movcc): Fixed z10prop attribute.
6099         (*sethighpartdi_64): Fixed z10prop attribute.
6100         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6101         (*negdi2_sign_cc): Fixed z10prop attribute.
6102         (*negdi2_sign): Fixed z10prop attribute.
6103         (*absdi2_sign_cc): Fixed z10prop attribute.
6104         (*absdi2_sign): Fixed z10prop attribute.
6105         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6106         (*negabsdi2_sign): Fixed z10prop attribute.
6107         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6108         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6109         (doloop_si64): Fixed z10prop attribute.
6110         (doloop_si31): Fixed z10prop attribute.
6111         (doloop_long): Fixed z10prop attribute.
6112         (indirect_jump): Fixed z10prop attribute.
6113         (nop): Fixed z10prop attribute.
6114         (main_base_64): Fixed z10prop attribute.
6115         (reload_base_64): Fixed z10prop attribute.
6116
6117 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6118
6119         PR rtl-optimization/38740
6120         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6121         if !optimize.
6122         * config/mips/mips.c (mips_reorg): Likewise.
6123
6124 2009-01-28  Richard Guenther  <rguenther@suse.de>
6125
6126         PR tree-optimization/38926
6127         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6128         with the correct value id to a value.
6129         (do_regular_insertion): Use the value number of edoubleprime
6130         for the value number of the expr.
6131
6132         Revert
6133         2008-08-21  Richard Guenther  <rguenther@suse.de>
6134
6135         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6136         a PHI ask VN if it is already available.
6137         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6138         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6139
6140 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6141
6142         PR middle-end/38934
6143         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6144         set to varying whenever max has TREE_OVERFLOW set, similarly
6145         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6146
6147 2009-01-28  Richard Guenther  <rguenther@suse.de>
6148
6149         PR middle-end/38908
6150         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6151         uninitialized aggregate uses in call arguments.
6152
6153 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6154
6155         PR tree-optimization/38984
6156         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6157         the nothing_id variable if -fno-delete-null-pointer-checks.
6158
6159 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6160
6161         PR target/38988
6162         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6163         (set_got_offset_rex64): Ditto.
6164
6165 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6166
6167         PR target/38941
6168         * doc/extend.texi: Improve local variable with asm reg.
6169
6170 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6171
6172         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6173         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6174         was not supplied then set warn_packed_bitfield_compat to the
6175         default value of 1.
6176         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6177         against 1.
6178
6179 2009-01-27  Richard Guenther  <rguenther@suse.de>
6180
6181         PR tree-optimization/38503
6182         * cfgexpand.c (expand_gimple_basic_block): Ignore
6183         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6184         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6185         variables that cannot have TBAA applied.
6186         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6187         statements.
6188
6189 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6190
6191         PR middle-end/38969
6192         * calls.c (initialize_argument_information): Do not wrap complex
6193         arguments in SAVE_EXPR.
6194
6195 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6196
6197         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6198         (INSTALL_LIBGCC): Revert typo commit.
6199
6200 2009-01-26  Richard Guenther  <rguenther@suse.de>
6201
6202         PR tree-optimization/38745
6203         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6204         from special handling.
6205
6206 2009-01-26  Richard Guenther  <rguenther@suse.de>
6207
6208         PR tree-optimization/38745
6209         * tree-ssa.c (execute_update_addresses_taken): Do not include
6210         variables that cannot possibly be a register in not_reg_needs.
6211         Do not clear TREE_ADDRESSABLE on vars that may not become
6212         registers.
6213         * tree-ssa.c (update_alias_info_1): Include those in the set
6214         of addressable vars.
6215
6216 2009-01-26  Richard Guenther  <rguenther@suse.de>
6217
6218         PR middle-end/38851
6219         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6220         * tree-ssa-dse.c: Include langhooks.h
6221         (execute_simple_dse): Remove stores with zero size.
6222
6223 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6224
6225         PR c/38957
6226         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6227         as PLUS_EXPR.
6228
6229 2009-01-24  Julian Brown  <julian@codesourcery.com>
6230
6231         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6232         config/arm/linux-atomic.c.
6233         * config/arm/linux-atomic.c: New.
6234
6235 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6236
6237         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6238         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6239         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6240
6241 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6242
6243         PR c/38938
6244         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6245         properly.
6246
6247 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6248
6249         PR tree-optimization/38953
6250         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6251         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6252         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6253         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6254         changed the CFG.
6255
6256 2009-01-24  Paul Brook  <paul@codesourcery.com>
6257
6258         * config/arm/neon.md (neon_type): Move to arm.md.
6259         (neon_mov<VSTRUCT>): Add neon_type attribute.
6260         * config/arm/arm.md (neon_type): Move to here.
6261         (conds): Add "unconditioal" and use as default for NEON insns.
6262
6263 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6264
6265         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6266         void *' warning from -Wc++-compat.
6267         * Makefile.in (dominance.o-warn): Remove.
6268
6269 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6270
6271         PR tree-optimization/38932
6272         * fold-const.c (fold_unary_ignore_overflow): New.
6273         * tree.h (fold_unary_ignore_overflow): Declare.
6274         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6275         * tree-ssa-sccvn.c (visit_reference_op_load,
6276         simplify_unary_expression): Likewise.
6277
6278 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6279
6280         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6281         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6282         regardless of their type.
6283         * c-common.c (handle_packed_attribute): Don't ignore packed on
6284         bitfields.
6285         * c.opt (Wpacked-bitfield-compat): New warning option.
6286         * stor-layout.c (place_field): Warn if offset of a field changed.
6287         * doc/extend.texi (packed): Mention the ABI change.
6288         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6289         (Warning Options): Add it to the list.
6290
6291 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6292
6293         * c-opts.c (c_common_post_options): Fix a typo in comments.
6294
6295 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6296
6297         PR middle-end/38615
6298         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6299         variables to static.
6300         * doc/invoke.texi (-fmerge-all-constants): Update description.
6301
6302 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6303
6304         PR target/38931
6305         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6306         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6307
6308 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6309
6310         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6311         a word boundary.
6312         (LOCAL_ALIGNMENT): Similarly.
6313
6314 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6315             Joseph Myers  <joseph@codesourcery.com>
6316
6317         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6318         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6319         * config/arm/arm-tune.md: Regenerate.
6320         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6321         -march=iwmmxt2.
6322
6323 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6324
6325         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6326         version number to five.
6327
6328 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6329
6330         PR c++/38930
6331         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6332         * c-common.c (set_underlying_type): Likewise.
6333         (is_typedef_decl ): Likewise
6334         * tree.h: Likewise
6335         (set_underlying_type): Likewise.
6336         (is_typedef_type): Likewise.
6337
6338 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6339
6340         PR middle-end/38587
6341         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6342         crossing setjmps.
6343
6344 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6345
6346         PR bootstrap/37660
6347         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6348         (LIBGCC_SPEC):  Don't define.
6349         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6350
6351 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6352
6353         PR rtl-optimization/38879
6354         * alias.c (base_alias_check): Unaligned access via AND address can
6355         alias all surrounding object types except those with sizes equal
6356         or wider than the size of unaligned access.
6357
6358 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6359
6360         PR c++/26693
6361         * c-decl.c (clone_underlying_type): Move this ...
6362         * c-common.c (set_underlying_type): ... here.
6363         Also, make sure the function properly sets TYPE_STUB_DECL() on
6364         the newly created typedef variant type.
6365         (is_typedef_decl ): New entry point.
6366         * tree.h: Added a new member member_types_needing_access_check to
6367         struct tree_decl_non_common.
6368         (set_underlying_type): New entry point.
6369         (is_typedef_type): Likewise.
6370
6371 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6372
6373         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6374         Check whether two instructions have memory references that
6375         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6376         are helper functions for traversing.
6377         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6378         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6379         not to draw dependency edge for instructions with non-conflicting
6380         alias sets.
6381
6382 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6383
6384         PR other/38758
6385         * longlong.h: Update copyright years.  Use soft-fp license notice.
6386         Sync __clz_tab declaration with glibc.
6387
6388 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6389
6390         PR target/30687
6391         * doc/extend.texi (syscall_linkage): New.
6392         (version_id): Modify.
6393
6394 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6395             Richard Guenther  <rguenther@suse.de>
6396
6397         PR tree-optimization/38747
6398         PR tree-optimization/38748
6399         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6400         conversion if the base address is an indirect reference and the
6401         aliasing sets could cause issues.
6402
6403 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6404
6405         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6406         explaining why these options are not documented.
6407
6408 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6409
6410         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6411         gimple_call_lhs is NULL.
6412
6413 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6414
6415         PR target/38868
6416         * emit-rtl.c (adjust_address_1): Make sure memref is never
6417         overwritten.
6418
6419 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6420
6421         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6422         const qualifier from arg parameter. Remove unnecessary cast to char *.
6423         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6424         const qualifier from arg 2.
6425
6426 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6427
6428         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6429
6430 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6431
6432         PR c/38869
6433         * rtl.h (reinit_regs): New prototype.
6434         * regclass.c: Include ira.h.
6435         (reinit_regs): New.
6436         * Makefile.in (regclass.o): Add ira.h.
6437         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6438
6439 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6440
6441         PR target/38736
6442         * c-common.c (handle_aligned_attribute): Use
6443         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6444         default alignment value.
6445
6446         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6447
6448         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6449         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6450
6451         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6452         __BIGGEST_ALIGNMENT__.
6453
6454         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6455
6456 2009-01-18  Richard Guenther  <rguenther@suse.de>
6457
6458         PR tree-optimization/38819
6459         * tree-flow.h (operation_could_trap_helper_p): Declare.
6460         * tree-eh.c (operation_could_trap_helper_p): Export.
6461         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6462         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6463         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6464         are about to insert a possibly trapping instruction and fail
6465         in this case.
6466
6467 2009-01-18  Andreas Schwab  <schwab@suse.de>
6468
6469         * doc/install.texi (Configuration): Remove obsolete paragraph
6470         about use of --with-gnu-ld with --with-gnu-as.
6471
6472 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6473
6474         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6475         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6476         Follow spelling conventions.
6477
6478 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6479
6480         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6481         C++ warning about implicit conversion from void * to struct
6482         bitmap_head_def *.
6483         (bitmap_obstack_free): Likewise for bitmap_element *.
6484         * Makefile.in (bitmap.o-warn): Remove.
6485
6486 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6487
6488         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6489
6490 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6491             Tobias Grosser  <tobi.grosser@amd.com>
6492
6493         * graphite.c (graphite_trans_scop_block): Do not block single
6494         nested loops.
6495
6496 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6497
6498         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6499         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6500         test with assertion.
6501
6502 2009-01-16  Richard Guenther  <rguenther@suse.de>
6503
6504         PR tree-optimization/38835
6505         PR middle-end/36227
6506         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6507         and INT + PTR -> (INT)(PTR p+ INT) folding.
6508         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6509
6510 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6511
6512         PR target/38554
6513         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6514         the subreg from a lowpart subreg if it is also casting the value.
6515
6516 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6517             Tobias Grosser  <tobi.grosser@amd.com>
6518
6519         * graphite.c (compare_prefix_loops): New.
6520         (build_scop_canonical_schedules): Rewritten.
6521         (graphite_transform_loops): Move build_scop_canonical_schedules
6522         after build_scop_iteration_domain.
6523
6524 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6525             Tobias Grosser  <tobi.grosser@amd.com>
6526
6527         * graphite.c (add_conditions_to_domain): Add the loops to 
6528         the dimension of the iteration domain.  Do copy the domain
6529         only when it exists.
6530         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6531         (add_conditions_to_constraints): New.
6532         (can_generate_code_stmt, can_generate_code): Removed.
6533         (gloog): Do not call can_generate_code.
6534         (graphite_transform_loops): Call add_conditions_to_constraints
6535         after building the iteration domain.
6536
6537 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6538
6539         PR tree-optimization/38789
6540         * tree-ssa-threadedge.c
6541         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6542         __builtin_constant_p.
6543
6544 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6545
6546         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6547         examined before deleting them.
6548         
6549 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6550
6551         * function.c (aggregate_value_p): Correctly extract the function
6552         type from CALL_EXPR_FN lookup.
6553
6554 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6555
6556         * config/picochip/picochip.c (picochip_override_options): Revert
6557         CFI asm flag disable commited previously.
6558
6559 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6560             Tobias Grosser  <tobi.grosser@amd.com>
6561             Jan Sjodin  <jan.sjodin@amd.com>
6562
6563         * graphite.c (scan_tree_for_params): On substractions negate
6564         all the coefficients of the term.
6565         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6566         of more than two operands.
6567         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6568         (get_vdef_before_scop): Handle also the case of default definitions.
6569
6570 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6571
6572         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6573         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6574         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6575
6576 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6577             Joey Ye  <joey.ye@intel.com>
6578
6579         PR middle-end/37843
6580         * cfgexpand.c (expand_stack_alignment): Don't update stack
6581         boundary nor check incoming stack boundary here.
6582         (gimple_expand_cfg): Update stack boundary and check incoming
6583         stack boundary here.
6584
6585 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6586
6587         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6588         
6589 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6590
6591         PR rtl-optimization/38245
6592         * calls.c (expand_call): Add stack arguments to
6593         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6594         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6595         in regs and partially in memory or BLKmode arguments.
6596         (emit_library_call_value_1): Add stack arguments to
6597         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6598         ACCUMULATE_OUTGOING_ARGS).
6599         * dce.c: Include tm_p.h.
6600         (find_call_stack_args): New function.
6601         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6602         argument.
6603         (mark_insn): Call find_call_stack_args for CALL_Ps.
6604         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6605         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6606         down to deletable_insn_p, don't mark stores set in arg_stores
6607         bitmap, clear the bitmap at the beginning of each bb.
6608         * Makefile.in (dce.o): Depend on $(TM_P_H).
6609
6610 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6611
6612         PR target/22599
6613         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6614         to make sure the insn is a conditional test (bug 22599).  Reformat a
6615         few long lines.
6616
6617 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6618
6619         PR middle-end/38431
6620         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6621         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6622         (gloog): Do not call cleanup_tree_cfg.
6623         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6624         scops have been code generated.
6625
6626 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6627         * doc/gty.texi (Invoking the garbage collector): Added new node
6628         and section documenting ggc_collect.
6629
6630 2009-01-14  Richard Guenther  <rguenther@suse.de>
6631
6632         PR tree-optimization/38826
6633         PR middle-end/38477
6634         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6635         initialization notes only if we actually emitted a warning.
6636         (intra_create_variable_infos): Add constraints for a result decl
6637         that is passed by hidden reference.
6638         (build_pred_graph): Mark all related variables non-direct on
6639         address-taking.
6640
6641 2009-01-14  Nick Clifton  <nickc@redhat.com>
6642
6643         * ira-conflicts.c: Include addresses.h for the definition of
6644         base_reg_class.
6645         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6646         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6647
6648 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6649
6650         PR target/38811
6651         * Makefile.in (ira-lives.o): Add except.h.
6652
6653         * ira-lives.c: Include except.h.
6654         (process_bb_node_lives): Process can_throw_internal.
6655
6656 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6657
6658         PR rtl-optimization/38774
6659         * combine.c (simplify_set): When undoing cc_use change, don't do
6660         PUT_CODE on the newly created comparison, but instead put back the
6661         old comparison.
6662
6663 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6664
6665         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6666         values.  Remove duplicate arm8 entry.
6667
6668 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6669
6670         PR tree-optimization/38786
6671         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6672         the SSA_NAME case of expand_scalar_variables_expr.
6673         Set the type of an expression to the type of its assign statement.
6674         (expand_scalar_variables_expr): Also gather the scalar computation
6675         used to index the memory access.  Do not pass loop_p.
6676         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6677         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6678         the gimple_stmt_iterator where it inserts new code.
6679         Do not pass loop_p.
6680         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6681         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6682
6683 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6684
6685         * graphite.h (debug_value): Removed.
6686         * graphite.c (debug_value): Removed.
6687
6688 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6689
6690         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6691         ldrd/strd with two 32-bit instructions.
6692
6693 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6694
6695         * config/arm/arm.c (struct processors): Pass for speed down into
6696         cost helper functions.
6697         (const_ok_for_op): Handle COMPARE and inequality nodes.
6698         (arm_rtx_costs_1): Rewrite.
6699         (arm_size_rtx_costs): Update prototype.
6700         (arm_rtx_costs): Pass speed down to helper functions.
6701         (arm_slowmul_rtx_costs): Rework cost calculations.
6702         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6703         (arm_9e_rtx_costs): Likewise.
6704
6705 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6706
6707         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6708         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6709         (alpha_legitimize_address): Do not split local symbols wider than
6710         UNITS_PER_WORD into HIGH/LO_SUM parts.
6711
6712 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6713
6714         PR bootstrap/38580
6715         * gcc.c (process_command): Replace call to execvp with calls
6716         to pex_one and exit.
6717
6718 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6719
6720         PR target/29141
6721         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6722         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6723         variant for devices with 3-byte PC.
6724         (__tablejump_elpm__): New.
6725
6726 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6727
6728         PR c/32041
6729         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6730         offsetof member-designator, handle it as `[0].'.
6731
6732 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6733
6734         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6735         function when not using named sections on targets with named sections
6736         if branch distance is less than 262132.
6737
6738 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6739
6740         * combine.c (combine_instructions):  Recompute
6741         optimize_this_for_speed_p  for each BB in the main combine loop.
6742
6743 2009-01-12  Tomas Bily  <tbily@suse.cz>
6744
6745         PR middlend/38385
6746         * tree-loop-distribution.c (prop_phis): New function.
6747         (generate_builtin): Call prop_phis.
6748         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6749
6750 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6751
6752         PR tree-optimization/38807
6753         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6754         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6755
6756 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6757
6758         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6759         subreg of op0 to the original op0.
6760
6761 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6762
6763         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6764         
6765 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6766
6767         PR debug/7055
6768         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6769         starting with digits.
6770
6771 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6772
6773         PR target/38695
6774         * config/arm/arm.c (arm_is_long_call_p): Don't call
6775         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6776
6777 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6778
6779         * regrename.c (regrename_optimize): Fix dumping.
6780         (find_oldest_value_reg): Preserve REG_POINTER.
6781         (copy_hardreg_forward_1): Likewise.
6782
6783 2009-01-09  Diego Novillo  <dnovillo@google.com>
6784
6785         * gimple.h (struct gimple_statement_base) <uid>: Document
6786         the restrictions on its use.
6787         (gimple_uid): Tidy.
6788         (gimple_set_uid): Tidy.
6789
6790 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6791
6792         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6793         zero guard even if align_bytes != 0 and count is smaller than
6794         size_needed.
6795
6796 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6797
6798         PR rtl-optimization/38495
6799         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6800         (add_range_and_copies_from_move_list): Print all added ranges.
6801         Add ranges to memory optimized destination.
6802
6803 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6804
6805         PR target/38686
6806         PR target/38708
6807         * config/i386/i386.c (override_options): Reject
6808         -mstringop-strategy=rep_8byte with -m32.
6809         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6810         to 1.  Do count comparison against epilogue_size_needed at compile
6811         time even when count_exp was constant forced into register.  For
6812         size_needed don't jump to epilogue, instead just avoid aligning
6813         and invoke the body algorithm.  If need_zero_guard, add zero guard
6814         even if count is non-zero, but smaller than size_needed + number of
6815         bytes that could be stored for alignment.
6816         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6817         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6818         but smaller than size_needed + number of bytes that could be stored
6819         for alignment.  Compare size_needed with epilogue_size_needed instead
6820         of desired_align - align, don't adjust size_needed, pass
6821         epilogue_size_needed to the epilogue expanders.
6822
6823         PR c/35742
6824         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6825
6826 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6827
6828         * pa.c (last_address): Change to unsigned.
6829         (update_total_code_bytes): Change argument to unsigned.  Don't
6830         check if insn addresses are set.
6831         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6832         addresses are not set.
6833         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6834
6835 2009-01-09  Nick Clifton  <nickc@redhat.com>
6836
6837         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6838         DECL_DECLARED_INLINE_P.
6839
6840 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6841
6842         PR middle-end/38347
6843         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6844         GET_MODE (op0) in operand_subword_force calls.
6845
6846         PR middle-end/38771
6847         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6848         fold_convert arg0 operands to TREE_TYPE (op0) first.
6849
6850 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6851
6852         * params.def (ira-max-conflict-table-size): Decrease default value
6853         to 1000.
6854
6855 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6856
6857         PR tree-optimization/37031
6858         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6859         on parameter_set.
6860         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6861         allocate it using gc instead of heap, use VEC_quick_push instead of
6862         VEC_safe_push.
6863         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6864         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6865         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6866         allocated vector from heap allocated.
6867         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6868         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6869         vector only after perfect_loop_nest_depth call.
6870
6871 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6872             Jan Sjodin  <jan.sjodin@amd.com>
6873
6874         PR tree-optimization/38559
6875         * graphite.c (debug_value, copy_constraint,
6876         swap_constraint_variables, scale_constraint_variable, ): New.
6877         (get_lower_bound, get_upper_bound): Removed.
6878         (graphite_trans_bb_strip_mine): Clean up this code that works
6879         only for constant number of iterations.  Fully copy upper and
6880         lower bound constraints, not only the constant part of them.
6881         * graphite.h (debug_value): Declared.
6882
6883 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6884
6885         PR tree-optimization/37194
6886         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6887         Don't add the cost of cost model guard in prologue to scalar 
6888         outside cost in case of known number of iterations.
6889
6890 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6891             Alan Modra  <amodra@bigpond.net.au>
6892
6893         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6894         non-word-aligned REG+CONST addressing.
6895
6896 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6897
6898         PR target/38706
6899         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6900         free_after_compilation when outputting a thunk.
6901         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
6902         Do not call free_after_compilation here.
6903
6904 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6905
6906         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
6907         (ix86_valid_target_attribute_inner_p): Ditto.
6908
6909 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
6910
6911         PR tree-optimization/38492
6912         PR tree-optimization/38498
6913         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
6914         * tree-chrec.h (scev_is_linear_expression): Declared.
6915         * graphite.c (graphite_cannot_represent_loop_niter): New.
6916         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
6917         (graphite_loop_normal_form): Use gcc_assert.
6918         (scan_tree_for_params): Use CASE_CONVERT.
6919         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
6920         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
6921         Use gcc_assert.  Discard scops that contain unhandled cases.
6922         (build_scop_conditions): Return a boolean status for unhandled cases.
6923         (strip_mine_profitable_p): Print the loop number, not its depth.
6924         (is_interchange_valid): Pass the depth of the loop nest, don't
6925         recompute it wrongly.
6926         (graphite_trans_bb_block): Same.
6927         (graphite_trans_bb_block): Print tentative of loop blocking.
6928         (graphite_trans_scop_block): Do not print that the loop has been
6929         blocked.
6930         (graphite_transform_loops): Do not handle scops that contain condition
6931         scalar phi nodes.
6932
6933 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
6934
6935         AVX Programming Reference (December, 2008)
6936         * config/i386/avxintrin.h (_mm256_stream_si256): New.
6937         (_mm256_stream_pd): Likewise.
6938         (_mm256_stream_ps): Likewise.
6939
6940         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
6941         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
6942         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
6943         (bdesc_special_args): Add __builtin_ia32_movntdq256,
6944         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
6945         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
6946         (ix86_expand_special_args_builtin): Likewise.
6947
6948         * config/i386/sse.md (AVXMODEDI): New.
6949         (avx_movnt<mode>): Likewise.
6950         (avx_movnt<mode>): Likewise.
6951         (<sse>_movnt<mode>): Remove AVX support.
6952         (sse2_movntv2di): Likewise.
6953
6954 2009-01-07  Richard Guenther  <rguenther@suse.de>
6955
6956         PR middle-end/38751
6957         * fold-const.c (extract_muldiv): Remove obsolete comment.
6958         (fold_plusminus_mult_expr): Undo MINUS_EXPR
6959         to PLUS_EXPR canonicalization for the canonicalization.
6960
6961 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
6962
6963         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
6964         hosted cross-compilers generating less efficient code.
6965
6966 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6967
6968         * function.h (rtl_data): Add a dbr_scheduled_p field.
6969         * reorg.c (dbr_schedule): Set it.
6970         (gate_handle_delay_slots): Check it.
6971         * config/mips/mips.c (mips_base_delayed_branch): Delete.
6972         (mips_reorg): Check flag_delayed_branch instead of
6973         mips_base_delayed_branch.
6974         (mips_override_options): Don't set mips_base_delayed_branch
6975         or flag_delayed_branch.
6976
6977 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
6978
6979         PR rtl-optimization/38426.
6980         * ira.c (ira): Set current_function_is_leaf earlier.
6981
6982 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
6983
6984         PR rtl-optimization/38722
6985         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
6986         too early, only set a flag and modify after last possible
6987         undo_all point.
6988
6989 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
6990
6991         PR c/34252
6992         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
6993         * real.c (decimal_single_format): Correct values of emin and emax.
6994         (decimal_double_format): Ditto.
6995         (decimal_quad_format): Ditto.
6996         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
6997         computation of DECnn_MIN and DECnn_MAX for corrected values of
6998         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
6999         __DECnn_MIN__, and adjust its computation for the corrected value
7000         of emin.
7001
7002 2009-01-06  Jan Hubicka  <jh@suse.cz>
7003
7004         PR target/38744
7005         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7006
7007 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7008
7009         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7010         Add Robert Clark to the list of testers.
7011
7012 2009-01-06  Jan Hubicka  <jh@suse.cz>
7013             Kai Tietz  <kai.tietz@onevision.com>
7014
7015         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7016         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7017
7018 2009-01-06  Jan Hubicka  <jh@suse.cz>
7019             Kai Tietz  <kai.tietz@onevision.com>
7020
7021         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7022         for w64 ABI.
7023         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7024         (ix86_nsaved_regs): Count only general purpose regs.
7025         (ix86_nsaved_sseregs): New.
7026         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7027         to 16 for w64; compute padding and size of sse reg save area.
7028         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7029         general purpose regs.
7030         (ix86_emit_save_sse_regs_using_mov): New.
7031         (ix86_expand_prologue): Save SSE regs if needed.
7032         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7033         (ix86_emit_restore_sse_regs_using_mov): New.
7034         (ix86_expand_epilogue): Save SSE regs if needed.
7035
7036 2009-01-06  Jan Hubicka  <jh@suse.cz>
7037             Kai Tietz  <kai.tietz@onevision.com>
7038
7039         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7040         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7041         functions when accumulate outgoing args is off.
7042
7043 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7044
7045         PR bootstrap/38742
7046         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7047         before using pseudos_have_intersected_live_ranges_p.
7048
7049         * ira-int.h (ira_assert): Always define.
7050
7051 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7052
7053         AVX Programming Reference (December, 2008)
7054         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7055         (_mm256_permute2_pd): Likewise.
7056         (_mm_permute2_ps): Likewise.
7057         (_mm256_permute2_ps): Likewise.
7058         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7059         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7060
7061         * config/i386/i386.c (ix86_builtins): Remove
7062         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7063         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7064         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7065         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7066         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7067         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7068         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7069         __builtin_ia32_vpermil2ps256.
7070         (ix86_init_mmx_sse_builtins): Updated.
7071         (ix86_expand_args_builtin): Likewise.
7072
7073 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7074
7075         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7076         long absolute calls when generating PA 2.0 code.
7077
7078 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7079
7080         PR rtl-optimization/38583
7081         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7082
7083         * params.def (ira-max-conflict-table-size): New.
7084
7085         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7086         
7087         * ira.h (ira_conflicts_p): New external definition.
7088         
7089         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7090         table.  Report this.  Return result of building.
7091         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7092         building conflict table.
7093
7094         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7095         (ira_color): Use ira_conflicts_p.
7096         
7097         * global.c: Include ira.h.
7098         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7099         ira_conflicts_p.
7100
7101         * Makefile.in (global.o): Add ira.h.
7102         
7103         * ira-build.c (mark_all_loops_for_removal,
7104         propagate_some_info_from_allocno): New.
7105         (remove_unnecessary_allocnos): Call
7106         propagate_some_info_from_allocno.
7107         (remove_low_level_allocnos): New.
7108         (remove_unnecessary_regions): Add parameter.  Call
7109         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7110         parameter to remove_unnecessary_regions.
7111         (ira_build): Remove all regions but root if the conflict table was
7112         not built.  Update conflict hard regs for allocnos crossing calls.
7113
7114         * ira.c (ira_conflicts_p): New global.
7115         (ira): Define and use ira_conflicts_p.
7116
7117         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7118         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7119         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7120         
7121 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7122
7123         * gengtype-lex.l (YY_NO_INPUT): Define.
7124
7125 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7126
7127         PR c/34911
7128         * c-common.c (handle_vector_size_attribute): Also reject
7129         BOOLEAN_TYPE types.
7130
7131 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7132
7133         PR tree-optimization/38492
7134         * graphite.c (rename_map_elt, debug_rename_elt,
7135         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7136         rename_map_elt_info, eq_rename_map_elts,
7137         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7138         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7139         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7140         (sese_build_livein_liveouts): New.
7141         (new_sese, free_sese): New.
7142         (new_scop): Call new_sese.
7143         (free_scop): Call free_sese.
7144         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7145         (register_old_new_names): Renamed register_old_and_new_names.
7146         (register_scop_liveout_renames, add_loop_exit_phis,
7147         insert_loop_close_phis, struct igp,
7148         default_liveout_before_guard, add_guard_exit_phis,
7149         insert_guard_phis, copy_renames): New.
7150         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7151         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7152         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7153         (scop_adjust_phis_for_liveouts): New.
7154         (gloog): Call scop_adjust_phis_for_liveouts.
7155
7156         * graphite.h (struct sese): Documented.  Added fields liveout,
7157         num_ver and livein.
7158         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7159         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7160         (struct scop): Added field liveout_renames.
7161         (SCOP_LIVEOUT_RENAMES): New.
7162
7163 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7164
7165         PR tree-optimization/38510
7166         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7167         (translate_clast): Call recompute_all_dominators before
7168         graphite_verify.
7169         (gloog): Call recompute_all_dominators before graphite_verify.
7170
7171 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7172             Jan Sjodin  <jan.sjodin@amd.com>
7173
7174         PR tree-optimization/38500
7175         * graphite.c (create_sese_edges): Call fix_loop_structure after
7176         splitting blocks.
7177
7178 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7179
7180         * config.gcc: Add m32r*-*-rtems*.
7181         * config/m32r/rtems.h: New file.
7182
7183 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7184
7185         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7186         (.po.pox): Likewise.
7187         (po/gcc.pot): Likewise.
7188
7189 2009-01-04  David S. Miller  <davem@davemloft.net>
7190
7191         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7192         (STARTING_FRAME_OFFSET): Always set to zero.
7193
7194 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7195
7196         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7197         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7198         fixed-point types, and vectors of the same.
7199
7200 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7201
7202         * config/mips/sync.md (*mb_barrier): Rename to...
7203         (*memory_barrier): ...this.
7204
7205 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7206
7207         * doc/extend.texi (Function Attributes): Move @cindex after @item
7208         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7209         and put in alphabetical order. Fix 'target' name and put in order.
7210         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7211         typos.
7212
7213 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7214
7215         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7216         (memory_barrier): Expand as unspec instead of unspec_volatile.
7217         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7218         (*memory_barrier): Define as unspec instead of unspec_volatile.
7219         Use (match_dup 0) as input operand.
7220
7221         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7222         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7223         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7224         scratch register.  Remove operand 1.
7225         (*stbar): Define as unspec instead of unspec_volatile.
7226         Use (match_dup 0) as input operand, remove (const_int 8).
7227         (*membar): Define as unspec instead of unspec_volatile.
7228         Use (match_dup 0) as input operand, remove input operand 2.
7229
7230         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7231         (memory_barrier): Expand as unspec instead of unspec_volatile.
7232         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7233         (*memory_barrier): Define as unspec instead of unspec_volatile.
7234         Use (match_dup 0) as input operand.
7235
7236         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7237         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7238         Set volatile flag on operand 0.
7239         (*memory_barrier): New insn pattern.
7240
7241         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7242         insn operands.
7243         (*memory_barrier): Use (match_dup 0) as input operand.
7244
7245         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7246         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7247         Set volatile flag on operand 0.
7248         (*mb_internal): New insn pattern.
7249
7250         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7251
7252 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7253
7254         PR middle-end/38586
7255         * function.c (struct temp_slot): Move to the section of the file
7256         that deals with temp slots.  Remove field 'address'.
7257         (temp_slot_address_table): New hash table of address -> temp slot.
7258         (struct temp_slot_address_entry): New struct, items for the table.
7259         (temp_slot_address_compute_hash, temp_slot_address_hash,
7260         temp_slot_address_eq, insert_temp_slot_address): Support functions
7261         for the new table.
7262         (find_temp_slot_from_address): Rewrite to use the new hash table.
7263         (remove_unused_temp_slot_addresses): Remove addresses of temp
7264         slots that have been made available.
7265         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7266         worker function for remove_unused_temp_slot_addresses.
7267         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7268         Add the temp slot address to the address -> temp slot map.
7269         (update_temp_slot_address): Update via insert_temp_slot_address.
7270         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7271         (pop_temp_slots): Likewise.
7272         (init_temp_slots): Allocate the address -> temp slot map, or empty
7273         the map if it is already allocated.
7274         (prepare_function_start): Initialize temp slot processing.
7275
7276 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7277
7278         PR middle-end/38584
7279         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7280         Calculate the size of all stack vars assuming no packing of stack
7281         vars will happen, replacing a quadratic algorithm with a linear one.
7282
7283 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7284
7285         PR target/38707
7286         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7287         can't be used.
7288
7289 2009-01-03  Diego Novillo  <dnovillo@google.com>
7290
7291         * doc/contrib.texi: Update contributions.
7292
7293 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7294
7295         PR c++/38705
7296         * builtins.c (fold_builtin_memory_op): Give up if either operand
7297         is volatile.  Set srctype or desttype to non-qualified version
7298         of the other type.
7299
7300         PR c/38700
7301         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7302         and FUNCTION_DECLs.
7303
7304 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7305
7306         PR rtl-optimization/35805
7307         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7308         problem if fast dce is able to remove any instructions.
7309         * dce.c (dce_process_block): Fix dump message.
7310         
7311 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7312
7313         PR 33649
7314         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7315
7316 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7317
7318         PR middle-end/38690
7319         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7320         * tree-pretty-print.c (op_code_prio): New function.
7321         (op_prio): No longer static.  Use op_code_prio.
7322         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7323         Use op_prio and op_code_prio to determine if () should be
7324         printed around operand(s) or not.
7325
7326         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7327         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7328         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7329         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7330         pp_character instead of pp_string for single letter printing.
7331
7332 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7333
7334         * doc/extend.texi: Fix '#pragma GCC option' typo.
7335
7336 2009-01-02  Richard Guenther  <rguenther@suse.de>
7337
7338         * doc/install.texi (--enable-checking): Mention different
7339         default for stage1.
7340         (--enable-stage1-checking): Document.
7341
7342 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7343
7344         PR middle-end/30142
7345         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7346         case to be an error.
7347
7348 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7349
7350         * config/fp-bit.h (pack_d): Constify argument.
7351         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7352         (isnan): Constify argument.
7353         (isinf): Likewise.
7354         (iszero): Likewise.
7355         (pack_d): Likewise.
7356         (_fpadd_parts): Constify return type.
7357         (_fpmul_parts): Likewise.
7358         (_fpdiv_parts): Likewise.
7359
7360 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7361
7362         PR c/36489
7363         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7364         warn about overwriting initializer with side-effects or
7365         -Woverride-init if !IMPLICIT.
7366         (output_init_element): Likewise.  Pass IMPLICIT down to
7367         add_pending_init.
7368         (process_init_element): Add IMPLICIT argument.  Pass it down
7369         to output_init_element.
7370         (push_init_element, pop_init_level, set_designator): Adjust
7371         process_init_element callers.
7372         (set_nonincremental_init, set_nonincremental_init_from_string):
7373         Adjust add_pending_init callers.
7374         (output_pending_init_elements): Adjust output_init_element callers.
7375         * c-tree.h (process_init_element): Adjust prototype.
7376         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7377         process_init_element callers.