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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-17  Cary Coutant  <ccoutant@google.com>
2
3         * tree-flow-inline.h (get_lineno): Fix inverted test.
4
5 2009-04-17  Diego Novillo  <dnovillo@google.com>
6
7         * tree-ssa-pre.c (create_expression_by_pieces): Remove
8         assertion for AVAIL_OUT.
9
10 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
11
12         PR target/38627
13         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
14         * config/sh/linux-atomic.asm: Likewise.
15
16 2009-04-17  Diego Novillo  <dnovillo@google.com>
17
18         * except.c (debug_eh_tree): New.
19         (struct eh_region, struct eh_status): Move ...
20         * except.h: ... here.
21         (add_type_for_runtime): Declare extern.
22         (lookup_type_for_runtime): Likewise.
23         (debug_eh_tree): Declare.
24         * Makefile.in (GTFILES): List except.h before except.c
25
26 2009-04-17  Diego Novillo  <dnovillo@google.com>
27
28         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT
29         for DECL.
30         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
31         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
32         (find_vars_r): ... here.
33         * tree-flow.h (find_referenced_vars_in): Declare.
34         * tree-ssa-pre.c (create_expression_by_pieces): Assert
35         that AVAIL_OUT exists for BLOCK.
36         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
37         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
38         (tree-parloops.o): Likewise.
39
40 2009-04-17  Simon Baldwin  <simonb@google.com>
41
42         * toplev.c (default_tree_printer): Add handling for %E format.
43
44 2009-04-17  Diego Novillo  <dnovillo@google.com>
45
46         * tree-pretty-print.c (dump_generic_node): Add break
47         after TREE_BINFO handler.
48         Handle COMPLEX_TYPE, REAL_TYPE and FIXED_POINT_TYPE
49         Handle NULL TREE_TYPEs.
50         Handle METHOD_TYPE and FUNCTION_TYPE together.
51         Call print_struct_decl when printing structures and
52         TDF_SLIM is not given.
53         (print_struct_decl): Fix logic for detecting recursion.
54
55 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
56
57         PR 31567
58         * gcc.c (create_at_file): New.
59         (compile_input_file_p): New.
60         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
61         * main.c (main): Update call to toplev_main.
62         * toplev.c (toplev_main): Change signature. Call expandargv.
63         * toplev.h (toplev_main): Change signature.
64
65 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
66
67         * dwarf2out.c (field_byte_offset): Use the type size as the field size
68         if the latter is not constant.
69
70 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
71
72         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
73
74 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
75
76         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
77         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
78
79 2009-04-17  Richard Guenther  <rguenther@suse.de>
80
81         * tree-ssa-structalias.c (get_constraint_for_component_ref):
82         Handle component references view-converting an invariant address.
83
84 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
85
86         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
87         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
88         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
89         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
90         Use @deftypevr rather than @deftypevar.
91
92 2009-04-17  Richard Guenther  <rguenther@suse.de>
93
94         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up
95         tuplification.
96         (get_prop_source_stmt): Likewise.
97         (can_propagate_from): Likewise.
98
99 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
100
101         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
102         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
103         (--with-multilib-list): Add default value.
104         * configure: Regenerate.
105         * Makefile.in (TM_ENDIAN_CONFIG): Define.
106         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
107         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
108         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
109         Don't add default cpu to multilib list unnecessarily, but do enable
110         the relevant compiler option..
111         Add support for --with-multilib-list=<blank> and
112         --with-multilib-list=!<somelib> to supress unwanted multilibs.
113         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
114         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
115         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
116         TM_MULTILIB_CONFIG.
117         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
118         (MULTILIB_OSDIRNAMES): New variable.
119         * config/sh/t-1e: Delete file.
120         * config/sh/t-mlib-sh1: Delete file.
121         * config/sh/t-mlib-sh2: Delete file.
122         * config/sh/t-mlib-sh2a: Delete file.
123         * config/sh/t-mlib-sh2a-nofpu: Delete file.
124         * config/sh/t-mlib-sh2a-single: Delete file.
125         * config/sh/t-mlib-sh2a-single-only: Delete file.
126         * config/sh/t-mlib-sh2e: Delete file.
127         * config/sh/t-mlib-sh3e: Delete file.
128         * config/sh/t-mlib-sh4: Delete file.
129         * config/sh/t-mlib-sh4-nofpu: Delete file.
130         * config/sh/t-mlib-sh4-single: Delete file.
131         * config/sh/t-mlib-sh4-single-only: Delete file.
132         * config/sh/t-mlib-sh4a: Delete file.
133         * config/sh/t-mlib-sh4a-nofpu: Delete file.
134         * config/sh/t-mlib-sh4a-single: Delete file.
135         * config/sh/t-mlib-sh4a-single-only: Delete file.
136         * config/sh/t-mlib-sh4al: Delete file.
137         * config/sh/t-mlib-sh5-32media: Delete file.
138         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
139         * config/sh/t-mlib-sh5-64media: Delete file.
140         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
141         * config/sh/t-mlib-sh5-compact: Delete file.
142         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
143         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
144         * doc/install.texi (Options specification): Add
145         --with-multilib-list and --with-endian.
146
147 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
148
149         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
150         REVISION_c.
151         (OBJS-common): Add plugin-version.o.
152         (plugin-version.o): New.
153         * gcc-plugin.h (plugin_gcc_version): New.
154         (plugin_default_version_check): New.
155         (plugin_init_func, plugin_init): Add version argument.
156         * plugin-version.c: New.
157         * plugin.c (str_plugin_gcc_version_name): New.
158         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
159         pass it to the init function.
160         (plugin_default_version_check): New.
161
162 2009-04-17  Richard Guenther  <rguenther@suse.de>
163
164         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
165         for decl-vs-decl disambiguation.
166
167 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
168
169         * config/s390/s390.h (s390_tune_attr): New macro definition.
170         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
171
172 2009-04-17  Richard Guenther  <rguenther@suse.de>
173
174         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
175         (fold_stmt_r): Likewise.
176         (maybe_fold_reference): New function.
177         (fold_gimple_assign): Handle cases fold_stmt_r did.
178         (fold_stmt): Do not use fold_stmt_r.
179         (fold_stmt_inplace): Likewise.
180
181 2009-04-17  Richard Guenther  <rguenther@suse.de>
182
183         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
184         (record_equivalences_from_stmt): Remove useless checks and
185         simplifications.
186         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
187         the type is already suitable.
188
189 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
190
191         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
192
193 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
194
195         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
196         (CMPtype): Define as __gcc_CMPtype.
197
198 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
199
200         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
201         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
202
203 2009-04-17  Richard Guenther  <rguenther@suse.de>
204
205         PR tree-optimization/39746
206         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
207         special-casing for builtins and static variable use/def.
208         (call_may_clobber_ref_p_1): Likewise.
209
210 2009-04-16  Ian Lance Taylor  <iant@google.com>
211
212         * df.h: Include "timevar.h".
213         (struct df_problem): Change tv_id field to timevar_id_t.
214         * tree-pass.h: Include "timevar.h".
215         (struct opt_pass): Change tv_id field to timevar_id_t.
216         * timevar.h (timevar_id_t): Define TV_NONE.
217         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
218         TV_NONE rather than tv_id != 0.
219         (execute_one_pass): Likewise.
220         * Makefile.in (DF_H): Add $(TIMEVAR_H).
221         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
222         dependencies to $(TREE_PASS_H).
223         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
224         to TV_NONE.
225         (pass_branch_target_load_optimize2): Likewise.
226         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
227         (pass_outof_cfg_layout_mode): Likewise.
228         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
229         (pass_rebuild_cgraph_edges): Likewise.
230         (pass_remove_cgraph_callee_edges): Likewise.
231         * df-core.c (pass_df_initialize_opt): Likewise.
232         (pass_df_initialize_no_opt): Likewise.
233         (pass_df_finish): Likewise.
234         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
235         * except.c (pass_set_nothrow_function_flags): Likewise.
236         (pass_convert_to_eh_region_ranges): Likewise.
237         * final.c (pass_compute_alignments): Likewise.
238         * function.c (pass_instantiate_virtual_regs): Likewise.
239         (pass_init_function): Likewise.
240         (pass_leaf_regs): Likewise.
241         (pass_match_asm_constraints): Likewise.
242         * gimple-low.c (pass_lower_cf): Likewise.
243         (pass_mark_used_blocks): Likewise.
244         * init-regs.c (pass_initialize_regs): Likewise.
245         * integrate.c (pass_initial_value_sets): Likewise.
246         * ira.c (pass_ira): Likewise.
247         * jump.c (pass_cleanup_barriers): Likewise.
248         * omp-low.c (pass_expand_omp): Likewise.
249         (pass_lower_omp): Likewise.
250         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
251         * recog.c (pass_split_all_insns): Likewise.
252         (pass_split_after_reload): Likewise.
253         (pass_split_before_regstack): Likewise.
254         (pass_split_before_sched2): Likewise.
255         (pass_split_for_shorten_branches): Likewise.
256         * reginfo.c (pass_reginfo_init): Likewise.
257         (pass_subregs_of_mode_init): Likewise.
258         (pass_subregs_of_mode_finish): Likewise.
259         * passes.c (pass_postreload): Likewise.
260         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
261         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
262         (pass_warn_function_return): Likewise.
263         (pass_warn_function_noreturn): Likewise.
264         * tree-complex.c (pass_lower_complex): Likewise.
265         (pass_lower_complex_O0): Likewise.
266         * tree-if-conv.c (pass_if_conversion): Likewise.
267         * tree-into-ssa.c (pass_build_ssa): Likewise.
268         * tree-mudflap.c (pass_mudflap_1): Likewise.
269         (pass_mudflap_2): Likewise.
270         * tree-nomudflap.c (pass_mudflap_1): Likewise.
271         (pass_mudflap_2): Likewise.
272         * tree-nrv.c (pass_return_slot): Likewise.
273         * tree-object-size.c (pass_object_sizes): Likewise.
274         * tree-optimize.c (pass_all_optimizations): Likewise.
275         (pass_early_local_passes): Likewise.
276         (pass_all_early_optimizations): Likewise.
277         (pass_cleanup_cfg): Likewise.
278         (pass_cleanup_cfg_post_optimizing): Likewise.
279         (pass_free_datastructures): Likewise.
280         (pass_free_cfg_annotations): Likewise.
281         (pass_fixup_cfg): Likewise.
282         (pass_init_datastructures): Likewise.
283         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
284         (pass_late_warn_uninitialized): Likewise.
285         (pass_update_address_taken): Likewise.
286         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
287         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
288         (pass_cse_sincos): Likewise.
289         (pass_convert_to_rsqrt): Likewise.
290         * tree-ssa-structalias.c (pass_build_alias): Likewise.
291         * tree-stdarg.c (pass_stdarg): Likewise.
292         * tree-tailcall.c (pass_tail_recursion): Likewise.
293         (pass_tail_calls): Likewise.
294         * tree-vect-generic.c (pass_lower_vector): Likewise.
295         (pass_lower_vector_ssa): Likewise.
296         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
297
298 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
299
300         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
301         XLR entry.
302         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
303         Handle -march=xlr.
304         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
305         logical and signext.
306
307 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
308
309         PR target/39767
310         * config/sh/predicates.md (arith_operand): Check if the operand
311         of TRUNCATE is a REG.
312
313 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
314
315         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
316         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
317
318 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
319
320         * tree-iterator.c (tsi_split_statement_list_after,
321         tsi_split_statement_list_before): Remove.
322         * tree-iterator.h: Remove the prototypes for
323         tsi_split_statement_list_after and tsi_split_statement_list_before.
324
325 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
326
327         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
328         * tree-ssa-propagate.h: Remove the prototype for
329         stmt_makes_single_load.
330
331 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
332
333         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
334         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
335
336 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
337
338         * tree-iterator.c (EXPR_LAST_BODY): Remove.
339
340 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
341
342         * except.c (eh_region_outer_p): Remove.
343         * except.h: Remove the prototype for eh_region_outer_p.
344
345 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
346
347         * function.c (current_function_assembler_name): Remove.
348         * function.h: Remove the prototype for
349         current_function_assembler_name.
350
351 2009-04-16  Ian Lance Taylor  <iant@google.com>
352
353         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
354         (add_reg_note): Call alloc_reg_note.
355         * rtl.h (alloc_reg_note): Declare.
356         * combine.c (try_combine): Use alloc_reg_note.
357         (recog_for_combine, move_deaths): Likewise.
358         (distribute_notes): Use alloc_reg_note and add_reg_note.
359         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
360         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
361         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
362
363 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
364
365         PR rtl-optimization/39762
366         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
367         ira_may_move_out_cost): Add comments about way of their usage.
368         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
369         
370         * ira-conflicts.c (process_regs_for_copy): Use function
371         ira_get_register_move_cost instead of global
372         ira_register_move_cost.
373
374         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
375         color_pass, move_spill_restore, update_curr_costs): Ditto.
376
377         * ira-lives.c (process_single_reg_class_operands): Ditto.
378
379         * ira-emit.c (emit_move_list): Ditto.
380
381         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
382         (record_reg_classes): Ditto.  Use functions
383         ira_get_register_move_cost and ira_get_may_move_cost instead of
384         global vars ira_register_move_cost, ira_may_move_out_cost and
385         ira_may_move_in_cost.
386         (record_address_regs): Don't call ira_init_register_move_cost.
387         Use function ira_get_may_move_cost instead of global
388         ira_may_move_in_cost.
389         (process_bb_node_for_hard_reg_moves): Use function
390         ira_get_register_move_cost instead of global ira_register_move_cost.
391         (ira_costs): Don't call ira_init_register_move_cost.
392         
393 2009-04-16  Richard Guenther  <rguenther@suse.de>
394
395         * tree-cfg.c (verify_gimple_assign_binary):
396         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
397         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
398         (create_general_new_stmt): Note that this function is broken.
399
400 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
401
402         * common.opt (fhelp): Add Var(help_flag).
403         * gcc-plugin.h (plugin_info): Add help.
404         * plugin.c (plugin_name_args): Add help.
405         (register_plugin_info): Set plugin->help.
406         (print_help_one_plugin): New.
407         (print_plugins_help): New.
408         * plugin.h (print_plugins_help): New.
409         * toplev.c (toplev_main): Call print_plugins_help if needed.
410
411 2009-04-16  Richard Guenther  <rguenther@suse.de>
412
413         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
414         (gimple_ior_addresses_taken_1): New function.
415         (gimple_ior_addresses_taken): Likewise.
416         * gimple.h (struct gimple_statement_with_ops_base): Remove
417         addresses_taken member.
418         (gimple_ior_addresses_taken): Declare.
419         (gimple_addresses_taken, gimple_addresses_taken_ptr,
420         gimple_set_addresses_taken): Remove.
421         * ipa-reference.c (mark_address): New function.
422         (scan_stmt_for_static_refs): Use it for marking addresses taken.
423         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
424         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
425         (gimple_add_to_addresses_taken): Remove.
426         (get_tmr_operands): Call mark_address_taken.
427         (get_asm_expr_operands): Likewise.
428         (get_expr_operands): Likewise.
429         (build_ssa_operands): Do not clear the addresses_taken bitmap.
430         (free_stmt_operands): Do not free it.
431         * tree-ssa.c (delete_tree_ssa): Likewise.
432         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
433
434 2009-04-16  Richard Guenther  <rguenther@suse.de>
435
436         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
437         (walk_stmt_load_store_ops): Likewise.
438         * gimple.c (get_base_loadstore): New function.
439         (walk_stmt_load_store_addr_ops): Likewise.
440         (walk_stmt_load_store_ops): Likewise.
441         * ipa-pure-const.c (check_op): Simplify.
442         (check_load, check_store): New functions.
443         (check_stmt): Use walk_stmt_load_store_ops.
444         * ipa-reference.c (mark_load): Adjust signature.
445         (mark_store): Likewise.
446         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
447
448 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
449
450         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
451         (plugin_info): New.
452         * opts.c (common_handle_option): Don't call print_version.
453         * plugin.c (plugin_name_args): Add version.
454         (register_plugin_info): New.
455         (register_callback): Handle PLUGIN_INFO.
456         (try_init_one_plugin): New.
457         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
458         if failed to init.
459         (finalize_one_plugin): New.
460         (finalize_plugins): New.
461         (print_one_plugin): New.
462         (print_plugins_versions): New.
463         * plugin.h (print_plugins_versions): New.
464         (finalize_plugins): New.
465         * toplev.c (compile_file): Don't call initialize_plugins.
466         (print_version): Call print_plugins_versions.
467         (toplev_main): Call initialize_plugins. Print version if needed.
468         Call finalize_plugins.
469
470 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
471
472         * common.opt (fversion): New.
473         * gcc.c (print_version): New.
474         (process_command): Don't print the version. Just set print_version.
475         (main): Print version. Call subprocesses if print_version and
476         verbose_flag are set.
477         * opts.c (common_handle_option): Handle OPT_fversion.
478
479 2009-04-16  Richard Guenther  <rguenther@suse.de>
480             Ira Rosen  <irar@il.ibm.com>
481
482         PR tree-optimization/39698
483         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
484         type of the reduction variable.  Only generate the def if
485         it is needed.
486
487         * omp-low.c (expand_omp_for_generic): When converting to a pointer
488         make sure to first convert to an integer of the same precision.
489         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
490         the type of the evolution correctly in computing the new
491         induction variable base.
492
493 2009-04-16  Richard Guenther  <rguenther@suse.de>
494
495         PR middle-end/39625
496         * tree-cfg.c (make_blocks): Split statements with to-be
497         abnormal SSA names on the lhs.
498
499 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
500
501         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
502         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
503         * c-typeck.c (really_start_incremental_init): Likewise.
504         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
505         (TARGET_INITIALIZER): Remove it.
506         * target.h (struct target): Remove vector_opaque_p.
507         * tree.c (build_opaque_vector_type): New.
508         * tree.h (TYPE_VECTOR_OPAQUE): New.
509         (build_opaque_vector_type): Declare.
510         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
511         * config/rs6000/rs6000.c (build_opaque_vector_type,
512         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
513         (rs6000_init_builtins): Use build_opaque_vector_type for
514         opaque_V4SI_type_node.
515
516 2009-04-15  Catherine Moore  <clm@codesourcery.com>
517
518         * debug.h (set_name):  Declare.
519         * dwarf2out.c (dwarf2out_set_name): Declare.
520         (dwarf2_debug_hooks): Add set_name.
521         (find_AT_string): New.
522         (add_AT_string): Call find_AT_string.
523         (dwarf2out_set_name): New.
524         * cp/decl.c (grokdeclarator): Call set_name.
525         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
526         * debug.c (do_nothing_debug_hooks):  Likewise.
527         * dbxout.c (dbx_debug_hooks): Likewise.
528         * sdbout.c (sdb_debug_hooks): Likewise.
529
530 2009-04-15  Michael Eager <eager@eagercon.com>
531
532         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
533         reg for single-precision FPU.
534         * config/rs6000/rs6000.md (movsi_internal1): Only for
535         !TARGET_SINGLE_FPU.
536         (movsi_internal1_single): New. Add pattern to move SI values to/from
537         single-precision FP regs.
538
539 2009-04-15  Richard Guenther  <rguenther@suse.de>
540
541         * omp-low.c (lower_rec_input_clauses): Build correct address
542         expressions.
543         (expand_omp_for_generic): Fix multiplication type.
544         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
545         (generate_memset_zero): Fix types.
546         * tree-profile.c (prepare_instrumented_value): Correctly
547         widen a pointer.
548
549 2009-04-15  Ian Lance Taylor  <iant@google.com>
550
551         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
552         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
553         for -Wall and for -Wc++-compat.
554         (c_common_post_options): For C++, set warn_enum_compare if not
555         already set.
556         * c-tree.h (struct c_expr): Add field original_type.
557         (build_external_ref): Update declaration.
558         * c-parser.c (c_parser_braced_init): Set original_type.
559         (c_parser_initelt): Likewise.
560         (c_parser_expr_no_commas): Likewise.
561         (c_parser_conditional_expression): Likewise.
562         (c_parser_cast_expression): Likewise.
563         (c_parser_unary_expression): Likewise.  Pull setting of
564         original_code to top of function.
565         (c_parser_sizeof_expression): Set original_type.
566         (c_parser_alignof_expression): Likewise.
567         (c_parser_postfix_expression): Likewise.  Pull setting of
568         original_code to top of function.
569         (c_parser_postfix_expression_after_paren_type): Set original_type.
570         (c_parser_postfix_expression_after_primary): Likewise.
571         (c_parser_expression): Likewise.
572         * c-typeck.c (build_external_ref): Add type parameter.  Change all
573         callers.
574         (c_expr_sizeof_expr): Set original_type field.
575         (parser_build_unary_op): Likewise.
576         (parser_build_binary_op): Likewise.  Optionally warn about
577         comparisons of enums of different types.
578         (digest_init): Set original_type field.
579         (really_start_incremental_init): Likewise.
580         (push_init_level, pop_init_level): Likewise.
581         * doc/invoke.texi (Warning Options): -Wenum-compare now
582         supported in C.
583
584 2009-04-15  Richard Guenther  <rguenther@suse.de>
585
586         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
587         out a necessary conversion.
588         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
589         names we didn't value number.
590         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
591
592 2009-04-15  Richard Guenther  <rguenther@suse.de>
593
594         PR tree-optimization/39764
595         * tree-ssa-ccp.c (get_value): Canonicalize value with
596         canonicalize_float_value.
597
598 2009-04-15  Jan Hubicka  <jh@suse.cz>
599
600         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
601         Wrong version of patch.
602
603 2009-04-15  Jan Hubicka  <jh@suse.cz>
604
605         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
606
607 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
608
609         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
610         our distinct integral and vector types.
611
612 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
613
614         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
615         * init.c (build_vtbl_address): Remove call to assemble_external.
616
617 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
618
619         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
620         output for other floating point modes.
621
622 2009-04-14  Diego Novillo  <dnovillo@google.com>
623
624         * diagnostic.c (diagnostic_report_diagnostic): Do not
625         warn about loaded plugins for DK_ERROR and DK_WARNING.
626         * c-decl.c (declspecs_add_type): Move call to
627         invoke_plugin_callbacks ...
628         * c-parser.c (c_parser_declspecs): ... here.
629         * plugin.c (dump_active_plugins): Tidy output.
630
631 2009-04-14  Diego Novillo  <dnovillo@google.com>
632             Le-Chun Wu  <lcwu@google.com>
633
634         * configure.ac: Add --enable-plugin support.
635         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
636         * Makefile.in (PLUGIN_H): Define.
637         Export ENABLE_PLUGIN and GMPINC to site.exp.
638         Add PLUGINLIBS to link command.
639         Add/modify dependencies for plugin.o and files including plugin.h.
640         (plugin.o): New.
641         * config.in: Regenerate.
642         
643         * opts.c (common_handle_option): Handle OPT_fplugin_ and
644         OPT_fplugin_arg_.
645
646 2009-04-14  Le-Chun Wu  <lcwu@google.com>
647
648         * tree-pass.h (register_one_dump_file): Add a prototype for
649         register_one_dump_file.
650         * toplev.c (compile_file): Call initialize_plugins.
651         (do_compile): Call invoke_plugin_callbacks.
652         (toplev_main): Call invoke_plugin_callbacks.
653         * common.opt: Add -fplugin= and -fplugin-arg-.
654         * gcc-plugin.h: New public header file for plugins to include.
655         * plugin.c: New source file.
656         * plugin.h: New internal header file.
657         * passes.c (register_one_dump_file): Make it external.
658         
659         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
660
661 2009-04-14  Diego Novillo  <dnovillo@google.com>
662
663         * doc/plugins.texi: New.
664         * doc/gccint.texi: Add reference to Plugins chapter.
665         * doc/invoke.texi: Document -fplugin and -fplugin-arg
666         * diagnostic.c (diagnostic_report_diagnostic): Warn about
667         loaded plugins, if any.
668         * timevar.def (TV_PLUGIN_INIT): Define.
669         (TV_PLUGIN_RUN): Define.
670         * plugin.c: Include timevar.h
671         (plugins_active_p): New.
672         (dump_active_plugins): New.
673         (debug_active_plugins): New.
674
675 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
676
677         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
678         library paths.
679         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
680
681 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
682
683         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
684         the same as a minus without a shift.
685
686 2009-04-14  Nick Clifton  <nickc@redhat.com>
687
688         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
689         comparisons with small integers will always produce a short
690         branch.
691
692 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
693
694         Merge:
695         2008-12-19  Diego Novillo  <dnovillo@google.com>
696
697         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
698
699 2000-04-14  Richard Guenther  <rguenther@suse.de>
700
701         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
702         verification.
703         (verify_gimple_assign_binary): Likewise.  Handle shifts and
704         rotates correctly.
705         (verify_gimple_phi): Print the mismatched argument position.
706         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
707         Fix types.
708         (vect_update_init_of_dr): Likewise.
709         * matrix-reorg.c (transform_access_sites): Do what the
710         comment suggests.
711         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
712
713 2009-04-13  Michael Eager <eager@eagercon.com>
714
715         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
716         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
717         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
718         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
719         remove duplicate config
720
721 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
722
723         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
724         file_name:line_number type locator of the call site.
725         
726 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
727
728         * genautomata.c: Put blank after comma.
729         (automaton_decls): New.
730         (struct unit_usage): Add comments to member next.
731         (store_alt_unit_usage): Keep the list ordered.
732         (unit_present_on_list_p, equal_alternatives_p): New.
733         (check_regexp_units_distribution): Check units distribution
734         correctness correctly.
735         (main): Don't write automata if error is found.  Return correct
736         exit code.
737         
738         * config/m68k/cf.md (cfv4_ds): Remove.
739         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
740         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
741
742         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
743         power4-load-ext, power4-store, power4-store-update,
744         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
745         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
746         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
747         power4-sqrt, power4-isync): Modify reservation to make correct
748         unit distribution to automata.
749
750         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
751         power5-store-update, power5-two, power5-three, power5-lmul,
752         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
753         
754 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
755
756         * except.c (pass_set_nothrow_function_flags): Set name and add
757         TODO_dump_func.
758         (set_nothrow_function_flags): Mention in the dump file when
759         changing a function to nothrow.
760
761 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
762
763         PR/39066
764         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
765         instead of unsigned long.
766
767 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
768
769         * config/arm/arm.c (return_used_this_function): Remove.
770         (arm_output_function_prologue): Remove use of
771         return_used_this_function.
772         (output_return_instruction): Replace use of
773         return_used_this_function
774         by cfun->machine->return_used_this_function.
775         (arm_output_epilogue): Likewise.
776         (arm_output_function_epilogue): Likewise.
777         (thumb_unexpanded_epilogue): Likewise.
778         * config/arm/arm.h (struct machine_function):
779         New member return_used_this_function.
780
781 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
782
783         * doc/install.texi: Correct description of default directory for
784         --with-gxx-include-dir.
785
786 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
787
788         * fold-const.c (build_range_check): Properly deal with enumeral and
789         boolean base types.
790
791 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
792
793         * doc/invoke.texi (max_gcse_passes): Remove documentation.
794         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
795         * params.h (MAX_GCSE_PASSES): Remove.
796         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
797         in sequence.  Remove ability to run multiple passes.
798         (bypass_jumps): Report run as third CPROP pass.
799
800 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
801
802         PR middle-end/39651
803         * except.c (can_throw_external): Look at each insn in a SEQUENCE
804         when deciding whether the whole SEQUENCE can throw.
805
806 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
807
808         PR target/39740
809         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
810         offseted label references.
811
812 2009-04-11  Jan Hubicka  <jh@suse.cz>
813
814         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
815
816 2009-04-11  Richard Guenther  <rguenther@suse.de>
817
818         PR middle-end/39732
819         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
820         return variables as TREE_ADDRESSABLE.
821
822 2009-04-11  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/39713
825         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
826         reference trees have SSA_NAME operands.
827
828 2009-04-11  Richard Guenther  <rguenther@suse.de>
829
830         PR c/39712
831         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
832         address expressions.
833
834 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
835
836         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
837         match changes in Cygwin 1.7
838         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
839         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
840
841 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
842
843         PR tree-optimization/39701
844         * doc/invoke.texi (Optimization Options): Document change in
845         meaning and initialization of -fdelete-null-pointer-checks.
846
847 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
848
849         PR middle-end/39701
850         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
851
852         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
853         here.
854
855         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
856
857 2009-04-10  Chao-ying Fu  <fu@mips.com>
858
859         * doc/tm.texi (Instruction Output): Document
860         TARGET_ASM_FINAL_POSTSCAN_INSN.
861         * target.h (final_postscan_insn): New field in asm_out.
862         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
863         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
864         * final.c (final_scan_insn): Call
865         targetm.asm_out.final_postscan_insn after outputting
866         an asm macro and a normal instruction.
867
868         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
869         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
870         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
871         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
872         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
873
874 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
875
876         PR middle-end/39701
877         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
878         variables as non-NULL even with -fdelete-null-pointer-checks.
879
880 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
881
882         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
883
884 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
885
886         PR target/39678
887         * config/i386/i386.c (classify_argument): Handle SCmode with
888         (bit_offset % 64) != 0.
889
890 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
891
892         * doc/invoke.texi (Optimize Options): Add cross-reference to
893         -Q --help=optimizers examples.
894
895 2009-04-10  Ben Elliston  <bje@au.ibm.com>
896
897         PR target/36800
898         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
899         regalign for the reg == fpr and TDmode case.
900
901 2009-04-09  David Ayers  <ayers@fsfe.org>
902
903         PR objc/29200
904         * objc/objc-act.c (warn_with_method): Remove helper function.
905         (check_duplicates): Call warning and inform directly.
906         (really_start_method): Likewise.
907
908 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
909
910         * expmed.c (expand_divmod): Always use a comparison for a division
911         by a large unsigned integer.
912
913         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
914         for things others than variables or functions as nonzero.
915
916 2009-04-09  Nick Clifton  <nickc@redhat.com>
917
918         * unwind-compat.c: Change copyright header to refer to version
919         3 of the GNU General Public License with version 3.1 of the
920         GCC Runtime Library Exception and to point readers at the
921         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
922         * config/alpha/crtfastmath.c: Likewise.
923         * config/alpha/linux-unwind.h: Likewise.
924         * config/alpha/qrnnd.asm: Likewise.
925         * config/alpha/vms-crt0-64.c: Likewise.
926         * config/alpha/vms-crt0.c: Likewise.
927         * config/alpha/vms-dwarf2.asm: Likewise.
928         * config/alpha/vms-dwarf2eh.asm: Likewise.
929         * config/alpha/vms-psxcrt0-64.c: Likewise.
930         * config/alpha/vms-psxcrt0.c: Likewise.
931         * config/alpha/vms_tramp.asm: Likewise.
932         * config/arc/initfini.c: Likewise.
933         * config/arc/lib1funcs.asm: Likewise.
934         * config/arm/bpabi-v6m.S: Likewise.
935         * config/arm/bpabi.S: Likewise.
936         * config/arm/bpabi.c: Likewise.
937         * config/arm/crti.asm: Likewise.
938         * config/arm/crtn.asm: Likewise.
939         * config/arm/ieee754-df.S: Likewise.
940         * config/arm/ieee754-sf.S: Likewise.
941         * config/arm/lib1funcs.asm: Likewise.
942         * config/arm/libunwind.S: Likewise.
943         * config/arm/linux-atomic.c: Likewise.
944         * config/arm/mmintrin.h: Likewise.
945         * config/arm/pr-support.c: Likewise.
946         * config/arm/unaligned-funcs.c: Likewise.
947         * config/arm/unwind-arm.c: Likewise.
948         * config/arm/unwind-arm.h: Likewise.
949         * config/avr/libgcc.S: Likewise.
950         * config/bfin/crti.s: Likewise.
951         * config/bfin/crtlibid.s: Likewise.
952         * config/bfin/crtn.s: Likewise.
953         * config/bfin/lib1funcs.asm: Likewise.
954         * config/bfin/linux-unwind.h: Likewise.
955         * config/cris/arit.c: Likewise.
956         * config/cris/cris_abi_symbol.c: Likewise.
957         * config/darwin-64.c: Likewise.
958         * config/darwin-crt2.c: Likewise.
959         * config/darwin-crt3.c: Likewise.
960         * config/darwin.h: Likewise.
961         * config/dbxelf.h: Likewise.
962         * config/dfp-bit.c: Likewise.
963         * config/dfp-bit.h: Likewise.
964         * config/elfos.h: Likewise.
965         * config/fixed-bit.c: Likewise.
966         * config/fixed-bit.h: Likewise.
967         * config/fp-bit.c: Likewise.
968         * config/fp-bit.h: Likewise.
969         * config/fr30/crti.asm: Likewise.
970         * config/fr30/crtn.asm: Likewise.
971         * config/fr30/lib1funcs.asm: Likewise.
972         * config/freebsd-spec.h: Likewise.
973         * config/frv/cmovd.c: Likewise.
974         * config/frv/cmovh.c: Likewise.
975         * config/frv/cmovw.c: Likewise.
976         * config/frv/frvbegin.c: Likewise.
977         * config/frv/frvend.c: Likewise.
978         * config/frv/lib1funcs.asm: Likewise.
979         * config/glibc-stdint.h: Likewise.
980         * config/h8300/clzhi2.c: Likewise.
981         * config/h8300/crti.asm: Likewise.
982         * config/h8300/crtn.asm: Likewise.
983         * config/h8300/ctzhi2.c: Likewise.
984         * config/h8300/fixunssfsi.c: Likewise.
985         * config/h8300/lib1funcs.asm: Likewise.
986         * config/h8300/parityhi2.c: Likewise.
987         * config/h8300/popcounthi2.c: Likewise.
988         * config/i386/ammintrin.h: Likewise.
989         * config/i386/att.h: Likewise.
990         * config/i386/avxintrin.h: Likewise.
991         * config/i386/biarch64.h: Likewise.
992         * config/i386/bmmintrin.h: Likewise.
993         * config/i386/cpuid.h: Likewise.
994         * config/i386/cross-stdarg.h: Likewise.
995         * config/i386/crtfastmath.c: Likewise.
996         * config/i386/crtprec.c: Likewise.
997         * config/i386/cygming-crtbegin.c: Likewise.
998         * config/i386/cygming-crtend.c: Likewise.
999         * config/i386/cygwin.asm: Likewise.
1000         * config/i386/emmintrin.h: Likewise.
1001         * config/i386/gmm_malloc.h: Likewise.
1002         * config/i386/gthr-win32.c: Likewise.
1003         * config/i386/i386.h: Likewise.
1004         * config/i386/immintrin.h: Likewise.
1005         * config/i386/linux-unwind.h: Likewise.
1006         * config/i386/linux64.h: Likewise.
1007         * config/i386/mm3dnow.h: Likewise.
1008         * config/i386/mmintrin-common.h: Likewise.
1009         * config/i386/mmintrin.h: Likewise.
1010         * config/i386/nmmintrin.h: Likewise.
1011         * config/i386/pmm_malloc.h: Likewise.
1012         * config/i386/pmmintrin.h: Likewise.
1013         * config/i386/smmintrin.h: Likewise.
1014         * config/i386/sol2-c1.asm: Likewise.
1015         * config/i386/sol2-ci.asm: Likewise.
1016         * config/i386/sol2-cn.asm: Likewise.
1017         * config/i386/sol2-gc1.asm: Likewise.
1018         * config/i386/tmmintrin.h: Likewise.
1019         * config/i386/unix.h: Likewise.
1020         * config/i386/w32-unwind.h: Likewise.
1021         * config/i386/wmmintrin.h: Likewise.
1022         * config/i386/x86-64.h: Likewise.
1023         * config/i386/x86intrin.h: Likewise.
1024         * config/i386/xmmintrin.h: Likewise.
1025         * config/ia64/crtbegin.asm: Likewise.
1026         * config/ia64/crtend.asm: Likewise.
1027         * config/ia64/crtfastmath.c: Likewise.
1028         * config/ia64/crti.asm: Likewise.
1029         * config/ia64/crtn.asm: Likewise.
1030         * config/ia64/fde-glibc.c: Likewise.
1031         * config/ia64/lib1funcs.asm: Likewise.
1032         * config/ia64/linux-unwind.h: Likewise.
1033         * config/ia64/quadlib.c: Likewise.
1034         * config/ia64/unwind-ia64.c: Likewise.
1035         * config/linux.h: Likewise.
1036         * config/m32c/m32c-lib1.S: Likewise.
1037         * config/m32c/m32c-lib2-trapv.c: Likewise.
1038         * config/m32c/m32c-lib2.c: Likewise.
1039         * config/m32r/initfini.c: Likewise.
1040         * config/m68hc11/larith.asm: Likewise.
1041         * config/m68hc11/m68hc11-crt0.S: Likewise.
1042         * config/m68k/cf.md: Likewise.
1043         * config/m68k/crti.s: Likewise.
1044         * config/m68k/crtn.s: Likewise.
1045         * config/m68k/lb1sf68.asm: Likewise.
1046         * config/m68k/linux-unwind.h: Likewise.
1047         * config/mcore/crti.asm: Likewise.
1048         * config/mcore/crtn.asm: Likewise.
1049         * config/mcore/lib1.asm: Likewise.
1050         * config/mips/linux-unwind.h: Likewise.
1051         * config/mips/loongson.h: Likewise.
1052         * config/mips/mips16.S: Likewise.
1053         * config/mmix/crti.asm: Likewise.
1054         * config/mmix/crtn.asm: Likewise.
1055         * config/pa/fptr.c: Likewise.
1056         * config/pa/hpux-unwind.h: Likewise.
1057         * config/pa/lib2funcs.asm: Likewise.
1058         * config/pa/linux-atomic.c: Likewise.
1059         * config/pa/linux-unwind.h: Likewise.
1060         * config/pa/milli64.S: Likewise.
1061         * config/pa/quadlib.c: Likewise.
1062         * config/pa/stublib.c: Likewise.
1063         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1064         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1065         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1066         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1067         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1068         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1069         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1070         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1071         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1072         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1073         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1074         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1075         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1076         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1077         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1078         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1079         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1080         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1081         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1082         * config/rs6000/750cl.h: Likewise.
1083         * config/rs6000/altivec.h: Likewise.
1084         * config/rs6000/biarch64.h: Likewise.
1085         * config/rs6000/crtresfpr.asm: Likewise.
1086         * config/rs6000/crtresgpr.asm: Likewise.
1087         * config/rs6000/crtresxfpr.asm: Likewise.
1088         * config/rs6000/crtresxgpr.asm: Likewise.
1089         * config/rs6000/crtsavfpr.asm: Likewise.
1090         * config/rs6000/crtsavgpr.asm: Likewise.
1091         * config/rs6000/darwin-asm.h: Likewise.
1092         * config/rs6000/darwin-fallback.c: Likewise.
1093         * config/rs6000/darwin-fpsave.asm: Likewise.
1094         * config/rs6000/darwin-ldouble.c: Likewise.
1095         * config/rs6000/darwin-tramp.asm: Likewise.
1096         * config/rs6000/darwin-unwind.h: Likewise.
1097         * config/rs6000/darwin-vecsave.asm: Likewise.
1098         * config/rs6000/darwin-world.asm: Likewise.
1099         * config/rs6000/e500crtres32gpr.asm: Likewise.
1100         * config/rs6000/e500crtres64gpr.asm: Likewise.
1101         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1102         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1103         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1104         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1105         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1106         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1107         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1108         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1109         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1110         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1111         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1112         * config/rs6000/eabi-ci.asm: Likewise.
1113         * config/rs6000/eabi-cn.asm: Likewise.
1114         * config/rs6000/eabi.asm: Likewise.
1115         * config/rs6000/linux-unwind.h: Likewise.
1116         * config/rs6000/linux64.h: Likewise.
1117         * config/rs6000/paired.h: Likewise.
1118         * config/rs6000/paired.md: Likewise.
1119         * config/rs6000/ppc64-fp.c: Likewise.
1120         * config/rs6000/ppu_intrinsics.h: Likewise.
1121         * config/rs6000/rs6000.h: Likewise.
1122         * config/rs6000/si2vmx.h: Likewise.
1123         * config/rs6000/sol-ci.asm: Likewise.
1124         * config/rs6000/sol-cn.asm: Likewise.
1125         * config/rs6000/spe.h: Likewise.
1126         * config/rs6000/spu2vmx.h: Likewise.
1127         * config/rs6000/sysv4.h: Likewise.
1128         * config/rs6000/tramp.asm: Likewise.
1129         * config/rs6000/vec_types.h: Likewise.
1130         * config/s390/linux-unwind.h: Likewise.
1131         * config/s390/tpf-unwind.h: Likewise.
1132         * config/score/crti.asm: Likewise.
1133         * config/score/crtn.asm: Likewise.
1134         * config/sh/crt1.asm: Likewise.
1135         * config/sh/crti.asm: Likewise.
1136         * config/sh/crtn.asm: Likewise.
1137         * config/sh/divtab-sh4-300.c: Likewise.
1138         * config/sh/divtab-sh4.c: Likewise.
1139         * config/sh/divtab.c: Likewise.
1140         * config/sh/lib1funcs-4-300.asm: Likewise.
1141         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1142         * config/sh/lib1funcs.asm: Likewise.
1143         * config/sh/lib1funcs.h: Likewise.
1144         * config/sh/linux-atomic.asm: Likewise.
1145         * config/sh/linux-unwind.h: Likewise.
1146         * config/sh/shmedia.h: Likewise.
1147         * config/sh/sshmedia.h: Likewise.
1148         * config/sh/ushmedia.h: Likewise.
1149         * config/sparc/crtfastmath.c: Likewise.
1150         * config/sparc/linux-unwind.h: Likewise.
1151         * config/sparc/sol2-c1.asm: Likewise.
1152         * config/sparc/sol2-ci.asm: Likewise.
1153         * config/sparc/sol2-cn.asm: Likewise.
1154         * config/spu/divmodti4.c: Likewise.
1155         * config/spu/divv2df3.c: Likewise.
1156         * config/spu/float_disf.c: Likewise.
1157         * config/spu/float_unsdidf.c: Likewise.
1158         * config/spu/float_unsdisf.c: Likewise.
1159         * config/spu/float_unssidf.c: Likewise.
1160         * config/spu/mfc_multi_tag_release.c: Likewise.
1161         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1162         * config/spu/mfc_tag_release.c: Likewise.
1163         * config/spu/mfc_tag_reserve.c: Likewise.
1164         * config/spu/mfc_tag_table.c: Likewise.
1165         * config/spu/multi3.c: Likewise.
1166         * config/spu/spu_internals.h: Likewise.
1167         * config/spu/spu_intrinsics.h: Likewise.
1168         * config/spu/spu_mfcio.h: Likewise.
1169         * config/spu/vec_types.h: Likewise.
1170         * config/spu/vmx2spu.h: Likewise.
1171         * config/stormy16/stormy16-lib2.c: Likewise.
1172         * config/svr4.h: Likewise.
1173         * config/sync.c: Likewise.
1174         * config/v850/lib1funcs.asm: Likewise.
1175         * config/vxlib-tls.c: Likewise.
1176         * config/vxlib.c: Likewise.
1177         * config/vxworks-dummy.h: Likewise.
1178         * config/xtensa/crti.asm: Likewise.
1179         * config/xtensa/crtn.asm: Likewise.
1180         * config/xtensa/ieee754-df.S: Likewise.
1181         * config/xtensa/ieee754-sf.S: Likewise.
1182         * config/xtensa/lib1funcs.asm: Likewise.
1183         * config/xtensa/lib2funcs.S: Likewise.
1184         * config/xtensa/linux-unwind.h: Likewise.
1185         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1186         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1187         * coretypes.h: Likewise.
1188         * crtstuff.c: Likewise.
1189         * defaults.h: Likewise.
1190         * dwarf2.h: Likewise.
1191         * emutls.c: Likewise.
1192         * gbl-ctors.h: Likewise.
1193         * gcov-io.h: Likewise.
1194         * ginclude/float.h: Likewise.
1195         * ginclude/iso646.h: Likewise.
1196         * ginclude/stdarg.h: Likewise.
1197         * ginclude/stdbool.h: Likewise.
1198         * ginclude/stddef.h: Likewise.
1199         * ginclude/stdfix.h: Likewise.
1200         * ginclude/stdint-gcc.h: Likewise.
1201         * ginclude/tgmath.h: Likewise.
1202         * gthr-aix.h: Likewise.
1203         * gthr-dce.h: Likewise.
1204         * gthr-gnat.c: Likewise.
1205         * gthr-gnat.h: Likewise.
1206         * gthr-lynx.h: Likewise.
1207         * gthr-mipssde.h: Likewise.
1208         * gthr-nks.h: Likewise.
1209         * gthr-posix.c: Likewise.
1210         * gthr-posix.h: Likewise.
1211         * gthr-posix95.h: Likewise.
1212         * gthr-rtems.h: Likewise.
1213         * gthr-single.h: Likewise.
1214         * gthr-solaris.h: Likewise.
1215         * gthr-tpf.h: Likewise.
1216         * gthr-vxworks.h: Likewise.
1217         * gthr-win32.h: Likewise.
1218         * gthr.h: Likewise.
1219         * libgcc2.c: Likewise.
1220         * libgcc2.h: Likewise.
1221         * libgcov.c: Likewise.
1222         * tsystem.h: Likewise.
1223         * typeclass.h: Likewise.
1224         * unwind-c.c: Likewise.
1225         * unwind-compat.h: Likewise.
1226         * unwind-dw2-fde-compat.c: Likewise.
1227         * unwind-dw2-fde-darwin.c: Likewise.
1228         * unwind-dw2-fde-glibc.c: Likewise.
1229         * unwind-dw2-fde.c: Likewise.
1230         * unwind-dw2-fde.h: Likewise.
1231         * unwind-dw2.c: Likewise.
1232         * unwind-dw2.h: Likewise.
1233         * unwind-generic.h: Likewise.
1234         * unwind-pe.h: Likewise.
1235         * unwind-sjlj.c: Likewise.
1236         * unwind.inc: Likewise.
1237         * config/arm/neon-gen.ml: Change generated copyright header to
1238         refer to version 3 of the GNU General Public License with
1239         version 3.1 of the GCC Runtime Library Exception and to point
1240         readers at the COPYING3 and COPYING3.RUNTIME files and the
1241         FSF's license web page.
1242         * config/arm/arm_neon.h: Regenerate.
1243
1244 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1245
1246         * config/cris/cris.md: Change copyright header to refer to version
1247         3 of the GNU General Public License.
1248         * doc/install.texi2html: Change copyright header to refer to version
1249         3 of the GNU General Public License and to point readers at the
1250         COPYING3 file and the FSF's license web page.
1251         * config/vax/linux.h: Likewise.
1252
1253 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1254
1255         * config/i386/i386.md (cmpcc): New.
1256         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1257         (sync_compare_and_swap_cc*): Delete.
1258
1259         * config/s390/s390.c (s390_compare_emitted): Remove.
1260         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1261         s390_compare_emitted used to be handled.  Assert that modes match.
1262         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1263         refer to sync_compare_and_swap_ccsi.
1264         * config/s390/s390.h (s390_compare_emitted): Remove.
1265         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1266         instead of s390_compare_emitted.
1267         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1268         instead of s390_compare_emitted.
1269         * config/s390/s390.md (cmpcc): New.
1270         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1271         CC_REGNUM, do not pretend it's set.
1272         (sync_compare_and_swap_cc*): Delete.
1273         * config/s390/predicates.md (cc_reg_operand): New.
1274
1275         * expr.c (sync_compare_and_swap_cc): Delete.
1276         * optabs.h (sync_compare_and_swap_cc): Delete.
1277         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1278         is being used with can_compare_p.
1279         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1280         (find_cc_set): New.
1281         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1282         look for a MODE_CC set instead.  Use emit_store_flag.
1283         (expand_compare_and_swap_loop): Likewise, with some additional
1284         complication to avoid a force_reg when useless.  Use
1285         emit_cmp_and_jump_insns.
1286         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1287         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1288         sync_compare_and_swap documentation.
1289
1290 2009-04-09  Jan Hubicka  <jh@suse.cz>
1291
1292         * except.c (find_prev_try): Break out from ....
1293         (duplicate_eh_regions): ... here; properly update prev_try pointers
1294         when duplication part of tree.
1295         (dump_eh_tree): Improve dumping.
1296         (verify_eh_region): New.
1297         (verify_eh_tree): Use it.
1298
1299 2009-04-06  Richard Guenther  <rguenther@suse.de>
1300
1301         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1302         &ARRAY addresses by adjusting their types and prepending
1303         a conversion.
1304         * tree-cfg.c (verify_gimple_assign_single): Verify that
1305         addresses are correct.
1306
1307 2009-04-09  Richard Guenther  <rguenther@suse.de>
1308
1309         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1310         indices into an array reference if possible.
1311         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1312         Fold POINTER_PLUS_EXPR statements with invariant address.
1313
1314 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1315
1316         PR target/39634
1317         * config.gcc (powerpc64-*-linux*): Always build biarch.
1318
1319 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1320
1321         PR c/39613
1322         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1323         it and pedwarn if this results in an INTEGER_CST.
1324
1325 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1326
1327         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1328         text in MPFR section.
1329
1330 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1331
1332         * dwarf2out.c (class_scope_p): New static inline.
1333         (class_or_namespace_scope_p): Use it.
1334         (gen_variable_die): Use DW_TAG_member tag for static data member
1335         declarations instead of DW_TAG_variable.
1336
1337         PR middle-end/39573
1338         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1339         variables.
1340
1341 2009-04-08  Richard Guenther  <rguenther@suse.de>
1342
1343         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1344         valueize random data.
1345
1346 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1347
1348         * config.gcc (aix tm_file):  Add aix-stdint.h.
1349         (aix tm clause use_gcc_stdint):  Set to wrap.
1350         * config/rs6000/aix-stdint.h:  New file.
1351         
1352 2009-04-08  Richard Guenther  <rguenther@suse.de>
1353
1354         PR middle-end/36291
1355         * tree-dfa.c (add_referenced_var): Do not recurse into
1356         global initializers.
1357         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1358         exposed variables.
1359         (fold_const_aggregate_ref): Likewise.
1360
1361 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1362
1363         * recog.c (ordered_comparison_operator): New.
1364         * gensupport.c (std_preds): Add it.
1365         * doc/md.texi (Machine-Independent Predicates): Document it.
1366
1367 2009-04-08  Jan Hubicka  <jh@suse.cz>
1368
1369         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1370         * function.h (rtl_eh): Remove exception_handler_label_map.
1371         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1372         remove_exception_handler_label, for_each_eh_label_1): Remove.
1373         (rtl_remove_unreachable_regions): Remove.
1374         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1375         (find_exception_handler_labels): Don't build the hashtable.
1376         (maybe_remove_eh_handler): Remove.
1377         (for_each_eh_label): Rewrite to walk the tree.
1378         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1379         * except.h (maybe_remove_eh_handler): Remove.
1380         * passes.c (init_optimization_passes): Schedule second EH cleanup
1381         before out-of-ssa.
1382         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1383         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1384
1385 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1386
1387         * genoutput.c (validate_optab_operands): New.
1388         (gen_insn, gen_expand): Call it.
1389
1390         * genflags.c (gen_insn): Detect misused iterators.
1391         (main): Pass line_no to gen_insn, exit with status 1 on error.
1392
1393         * genextract.c (line_no): Make global.
1394         (VEC_safe_set_locstr): Change assertion to error message.
1395         (main): Exit with status 1 on error.
1396
1397 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1398
1399         PR c/39614
1400         PR c/39673
1401         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1402         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1403         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1404         * c-convert.c (convert): Do not call fold on results of conversion
1405         functions when the result is a C_MAYBE_CONST_EXPR.
1406         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1407         of __builtin_choose_expr.
1408         * c-typeck.c (remove_c_maybe_const_expr): New.
1409         (build_unary_op, build_conditional_expr, build_compound_expr,
1410         build_binary_op, c_objc_common_truthvalue_conversion): Call
1411         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1412         integer operands.
1413
1414 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1415
1416         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1417         CODE to produce a new one. Add a prototype to use fold_convert_const
1418
1419 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1420
1421         PR bootstrap/39660
1422         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1423         mix declarations and code.
1424
1425 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1426
1427         * gcc.c: Replace `CC' with `GCC' throughout.
1428
1429 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1430
1431         * doc/invoke.texi: Document Atom support.
1432
1433 2009-04-07  Jason Merrill  <jason@redhat.com>
1434
1435         PR c++/25185
1436         * c-common.h, c-common.c: Add flag_pretty_templates.
1437         * c-opts.c (c_common_handle_option): Set it.
1438         * c.opt: Add -fno-pretty-templates.
1439         * doc/invoke.texi (C++ Dialect Options): Likewise.
1440
1441 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1442
1443         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1444         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1445         (ia64_expand_builtin): Likewise.
1446
1447 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1448
1449         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1450         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1451         ADDR_EXPRS are include too.
1452
1453 2009-04-07  Richard Guenther  <rguenther@suse.de>
1454
1455         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1456         decls are only used if passes as parameters or if they are
1457         local statics and the call is not to a builtin.
1458         (call_may_clobber_ref_p_1): Likewise.
1459
1460 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1461
1462         * expr.c (do_store_flag): Remove last argument.  Simplify code
1463         to avoid duplication of tests already done by can_compare_p.
1464         (expand_expr_real_1): Adjust caller.
1465
1466 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1467
1468         * optabs.c (can_compare_p): Test the predicate of a
1469         cbranch and cstore pattern.
1470
1471 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1472
1473         * expr.c (convert_move): Use emit_store_flag instead of
1474         "emulating" it.
1475
1476 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1477
1478         * config/i386/i386.c (ix86_compare_emitted): Remove.
1479         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1480         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1481         * config/i386/i386.h (ix86_compare_emitted): Remove.
1482         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1483         instead of ix86_compare_emitted.
1484         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1485
1486 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1487
1488         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1489         Add t-sysroot-suffix to tmake_file.
1490         * config/print-sysroot-suffix.sh: New file.
1491         * config/t-sysroot-suffix: New file.
1492
1493 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1494
1495         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1496         as the latter produces a warning when the target does not support
1497         infinity.
1498
1499 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1500
1501         * dfp.c: Replace type punning assignments with memcpy throughout.
1502         * Makefile.in (dfp.o-warn): Remove.
1503         
1504 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1505
1506         PR target/39634
1507         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1508         Include soft-fp/t-softfp after rs6000/t-linux64.
1509
1510 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1511
1512         * stor-layout.c (set_sizetype): Use the full precision of their
1513         machine mode for bitsize types.
1514
1515 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1516
1517         * config/i386/i386.md: Revert 2 accidental checkins.
1518
1519 2009-04-06  Joey Ye  <joey.ye@intel.com>
1520             Xuepeng Guo <xuepeng.guo@intel.com>
1521             H.J. Lu  <hongjiu.lu@intel.com>
1522
1523         Atom pipeline model, tuning and insn selection.
1524         * config.gcc (atom): Add atom config options and target.
1525
1526         * config/i386/atom.md: New.
1527
1528         * config/i386/i386.c (atom_cost): New cost.
1529         (m_ATOM): New macro flag.
1530         (initial_ix86_tune_features): Set m_ATOM.
1531         (x86_accumulate_outgoing_args): Likewise.
1532         (x86_arch_always_fancy_math_387): Likewise.
1533         (processor_target): Add Atom cost.
1534         (cpu_names): Add Atom cpu name.
1535         (override_options): Set Atom ISA.
1536         (ix86_issue_rate): New case PROCESSOR_ATOM.
1537         (ix86_adjust_cost): Likewise.
1538
1539         * config/i386/i386.h (TARGET_ATOM): New target macro.
1540         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1541         (TARGET_OPT_AGU): New target option.
1542         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1543         (processor_type): Add PROCESSOR_ATOM.
1544
1545         * config/i386/i386.md (cpu): Add new value "atom".
1546         (use_carry, movu): New attr.
1547         (atom.md): Include atom.md.
1548         (adddi3_carry_rex64): Set attr "use_carry".
1549         (addqi3_carry): Likewise.
1550         (addhi3_carry): Likewise.
1551         (addsi3_carry): Likewise.
1552         (*addsi3_carry_zext): Likewise.
1553         (subdi3_carry_rex64): Likewise.
1554         (subqi3_carry): Likewise.
1555         (subhi3_carry): Likewise.
1556         (subsi3_carry): Likewise.
1557         (x86_movdicc_0_m1_rex64): Likewise.
1558         (*x86_movdicc_0_m1_se): Likewise.
1559         (x86_movsicc_0_m1): Likewise.
1560         (*x86_movsicc_0_m1_se): Likewise.
1561         (*adddi_1_rex64): Emit add insn as much as possible.
1562         (*addsi_1): Likewise.
1563         (return_internal): Set atom_unit.
1564         (return_internal_long): Likewise.
1565         (return_pop_internal): Likewise.
1566         (*rcpsf2_sse): Set atom_sse_attr attr.
1567         (*qrt<mode>2_sse): Likewise.
1568         (*prefetch_sse): Likewise.
1569
1570         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1571         PROCESSOR_ATOM.
1572         (ix86_target_macros_internal): Likewise.
1573
1574         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1575         (*prefetch_sse_rex): Likewise.
1576         (sse_rcpv4sf2): Likewise.
1577         (sse_vmrcpv4sf2): Likewise.
1578         (sse_sqrtv4sf2): Likewise.
1579         (<sse>_vmsqrt<mode>2): Likewise.
1580         (sse_ldmxcsr): Likewise.
1581         (sse_stmxcsr): Likewise.
1582         (*sse_sfence): Likewise.
1583         (sse2_clflush): Likewise.
1584         (*sse2_mfence): Likewise.
1585         (*sse2_lfence): Likewise.
1586         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1587         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1588         (avx_movdqu<avxmodesuffix>): Likewise.
1589         (avx_lddqu<avxmodesuffix>): Likewise.
1590         (sse2_movntv2di): Change attr "type" to "ssemov".
1591         (sse2_movntsi): Likewise.
1592         (rsqrtv8sf2): Change attr "type" to "sseadd".
1593         (sse3_addsubv2df3): Set attr "atom_unit".
1594         (sse3_h<plusminus_insn>v4sf3): Likewise.
1595         (*sse2_pmaddwd): Likewise.
1596         (*vec_extractv2di_1_rex64): Likewise.
1597         (*vec_extractv2di_1_avx): Likewise.
1598         (sse2_psadbw): Likewise.
1599         (ssse3_phaddwv8hi3): Likewise.
1600         (ssse3_phaddwv4hi3): Likewise.
1601         (ssse3_phadddv4si3): Likewise.
1602         (ssse3_phadddv2si3): Likewise.
1603         (ssse3_phaddswv8hi3): Likewise.
1604         (ssse3_phaddswv4hi3): Likewise.
1605         (ssse3_phsubwv8hi3): Likewise.
1606         (ssse3_phsubwv4hi3): Likewise.
1607         (ssse3_phsubdv4si3): Likewise.
1608         (ssse3_phsubdv2si3): Likewise.
1609         (ssse3_phsubswv8hi3): Likewise.
1610         (ssse3_phsubswv4hi3): Likewise.
1611         (ssse3_pmaddubsw128): Likewise.
1612         (sse3_pmaddubsw: Likewise.
1613         (ssse3_palignrti): Likewise.
1614         (ssse3_palignrdi): Likewise.
1615
1616 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1617
1618         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1619
1620 2009-04-06  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/28868
1623         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1624         of which PHI results we inserted.
1625         (insert_into_preds_of_block): Record inserted PHIs.
1626         (eliminate): Eliminate redundant PHI nodes.
1627         (init_pre): Init inserted_phi_names.
1628
1629 2009-04-06  Richard Guenther  <rguenther@suse.de>
1630
1631         PR tree-optimization/39643
1632         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1633         IMAGPART_EXPRs of complex constants.
1634         (execute_fold_all_builtins): If we folded a call queue
1635         TODO_update_address_taken.
1636
1637 2009-04-06  Jan Hubicka  <jh@suse.cz>
1638
1639         PR middle-end/39659
1640         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1641         flag.
1642
1643 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1644
1645         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1646         delay slot.
1647         (ic_invalidate_array): Likewise.
1648
1649 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1650
1651         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1652         alignment for library calls.
1653
1654 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1655
1656         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1657         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1658         * config/i386/mingw-stdint.h:  New file.
1659
1660 2009-04-05  Richard Guenther  <rguenther@suse.de>
1661
1662         PR tree-optimization/39648
1663         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1664         our &A vs. &A[0] IL deficiencies.
1665
1666 2009-04-04  Jan Hubicka  <jh@suse.cz>
1667
1668         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1669         removed toplevel regions.
1670         (sjlj_mark_call_sites): Likewise.
1671
1672 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1673
1674         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1675         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1676         * config/i386/cygwin-stdint.h:  New file.
1677
1678 2009-04-04  Richard Guenther  <rguenther@suse.de>
1679
1680         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1681         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1682         single-argument PHIs if we are in loop-closed SSA form.
1683         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1684         for the pre-condition.
1685         (slpeel_tree_peel_loop_to_edge): Likewise.
1686         (vect_build_loop_niters): Take an optional sequence to append stmts.
1687         (vect_generate_tmps_on_preheader): Likewise.
1688         (vect_do_peeling_for_loop_bound): Take extra guards for the
1689         pre-condition.
1690         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1691         the cost model check.
1692         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1693         guards if we are going to peel.  Do not apply versioning in that case.
1694         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1695         (vect_do_peeling_for_loop_bound): Likewise.
1696         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1697         loop bound only record extra pre-conditions, do not apply loop
1698         versioning.
1699
1700 2009-04-04  Richard Guenther  <rguenther@suse.de>
1701
1702         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1703         renaming code.
1704
1705 2009-04-04  Jan Hubicka  <jh@suse.cz>
1706
1707         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1708         last_basic_block for size of bb->index indexed array.
1709         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1710         compute_out, link_btr_uses, build_btr_def_use_webs,
1711         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1712
1713 2009-04-04  Jan Hubicka  <jh@suse.cz>
1714
1715         * except.c (remove_eh_handler_and_replace): Break out from ...
1716         (remove_eh_handler): ... here.
1717         (bring_to_root): New function.
1718         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1719         handled ones, bring others to root of tree.
1720
1721 2009-04-04  Jan Hubicka  <jh@suse.cz>
1722
1723         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1724         (all_phis_safe_to_merge): New function.
1725         (update_info): New structure.
1726         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1727         (cleanup_empty_eh): Update SSA if possible.
1728
1729 2009-04-04  Richard Guenther  <rguenther@suse.de>
1730
1731         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1732         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1733         (append_vuse): Likewise.
1734
1735 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1736
1737         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1738         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1739         instead of REG_UNSAVED for DW_CFA_undefined.
1740         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1741         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1742         outermost frame.
1743
1744 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1745
1746         PR target/39501
1747         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1748         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1749         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1750
1751 2009-04-04  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/8781
1754         PR tree-optimization/37892
1755         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1756         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1757         (valueize_refs): Call it for *& valueizations.
1758         (shared_reference_ops_from_ref): Rename to ...
1759         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1760         (shared_reference_ops_from_call): Rename to ...
1761         (valueize_shared_reference_ops_from_call): ... this and valueize.
1762         (vn_reference_lookup): Update.
1763         (visit_reference_op_call): Likewise.
1764         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1765         (eliminate): Value-replace the call address in call statements.
1766
1767 2009-04-04  Richard Guenther  <rguenther@suse.de>
1768
1769         PR tree-optimization/39636
1770         * tree-ssa-forwprop.c
1771         (forward_propagate_addr_into_variable_array_index): Check for
1772         GIMPLE_ASSIGN before accessing the rhs code.
1773
1774 2009-04-03  Jason Merrill  <jason@redhat.com>
1775
1776         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1777
1778 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1779
1780         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1781         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1782         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1783         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1784         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1785         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1786         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1787         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1788         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1789         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1790         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1791         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1792         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1793         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1794         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1795         Use fr_reg_or_fp01_operand instead of fr_register_operand
1796
1797         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1798         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1799         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1800
1801 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1802
1803         PR rtl-optimization/39607
1804         PR rtl-optimization/39631
1805
1806         Revert:
1807         
1808         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1809         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1810         instead of DF_LR_OUT.
1811         * ira-lives.c (process_bb_node_lives): Ditto.
1812         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1813         instead of DF_LR_{OUT,IN}.
1814         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1815         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1816
1817 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1818
1819         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1820         (execute_lower_omp): Always run but take the short way out if -fopenmp
1821         is not given.
1822         (gate_lower_omp): Remove, forcing the pass manager to always run the
1823         pass and always set PROP_gimple_lomp.
1824         (pass_lower_omp): Remove gate function.
1825         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1826         PROP_trees.  Instead, require it.
1827         * ipa-cp.c (pass_ipa_cp): Likewise.
1828         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1829         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1830         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1831         and PROP_gimple_leh.
1832
1833 2009-04-03  Richard Guenther  <rguenther@suse.de>
1834
1835         PR middle-end/13146
1836         PR tree-optimization/23940
1837         PR tree-optimization/33237
1838         PR middle-end/33974
1839         PR middle-end/34093
1840         PR tree-optimization/36201
1841         PR tree-optimization/36230
1842         PR tree-optimization/38049
1843         PR tree-optimization/38207
1844         PR tree-optimization/38230
1845         PR tree-optimization/38301
1846         PR tree-optimization/38585
1847         PR middle-end/38895
1848         PR tree-optimization/38985
1849         PR tree-optimization/39299
1850         * tree-ssa-structalias.h: Remove.
1851         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1852         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1853         (struct vuse_element_d): Remove.
1854         (struct vuse_vec_d): Likewise.
1855         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1856         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1857         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1858         VUSE_ELEMENT_VAR): Likewise.
1859         (struct voptype_d): Likewise.
1860         (NUM_VOP_FREE_BUCKETS): Likewise.
1861         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1862         (struct stmt_operands_d): Remove.
1863         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1864         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1865         VDEF_NUM, VDEF_VECT): Likewise.
1866         (copy_virtual_operands): Remove.
1867         (operand_build_cmp): Likewise.
1868         (create_ssa_artificial_load_stmt): Likewise.
1869         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1870         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1871         vuse_index and mayuse_index members.  Pack and move done and iter_type
1872         members to the front.
1873         (SSA_OP_VMAYUSE): Remove.
1874         (SSA_OP_VIRTUAL_USES): Adjust.
1875         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1876         (unlink_stmt_vdef): Declare.
1877         (add_to_addressable_set): Remove.
1878         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1879         (vrp_visit_stmt): Likewise.
1880         * doc/tree-ssa.texi (Alias analysis): Update.
1881         * doc/invoke.texi (max-aliased-vops): Remove docs.
1882         (avg-aliased-vops): Likewise.
1883         * tree-into-ssa.c (syms_to_rename): Remove.
1884         (need_to_update_vops_p): Likewise.
1885         (need_to_initialize_update_ssa_p): Rename to ...
1886         (update_ssa_initialized_fn): ... this.  Track function we are
1887         initialized for.
1888         (symbol_marked_for_renaming): Simplify.
1889         (add_new_name_mapping): Do not set need_to_update_vops_p.
1890         (dump_currdefs): Use SYMS_TO_RENAME.
1891         (rewrite_update_stmt): Always walk all uses/defs.
1892         (dump_update_ssa): Adjust.
1893         (init_update_ssa): Take function argument.  Track what we are
1894         initialized for.
1895         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1896         (create_new_def_for): Initialize for cfun, assert we are initialized
1897         for cfun.
1898         (mark_sym_for_renaming): Simplify.
1899         (mark_set_for_renaming): Do not initialize update-ssa.
1900         (need_ssa_update_p): Simplify.  Take function argument.
1901         (name_mappings_registered_p): Assert we ask for the correct function.
1902         (name_registered_for_update_p): Likewise.
1903         (ssa_names_to_replace): Likewise.
1904         (release_ssa_name_after_update_ssa): Likewise.
1905         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1906         (dump_decl_set): Do not print a newline.
1907         (debug_decl_set): Do it here.
1908         (dump_update_ssa): And here.
1909         * tree-ssa-loop-im.c (move_computations): Adjust.
1910         (movement_possibility): Likewise.
1911         (determine_max_movement): Likewise.
1912         (gather_mem_refs_stmt): Likewise.
1913         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1914         or NAME_MEMORY_TAG.
1915         * tree-complex.c (update_all_vops): Remove.
1916         (expand_complex_move): Adjust.
1917         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1918         Simplify test for memory referencing statement.  Exclude
1919         non-invariant ADDR_EXPRs.
1920         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1921         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1922         (rdg_flag_uses): Likewise.
1923         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1924         related code.
1925         (tree_optimize_tail_calls_1): Also split the
1926         edge from the entry block if we have degenerate PHI nodes in
1927         the first basic block.
1928         * tree.c (init_ttree): Remove memory-tag related code.
1929         (tree_code_size): Likewise.
1930         (tree_node_structure): Likewise.
1931         (build7_stat): Re-write to be build6_stat.
1932         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1933         (SSA_VAR_P): Adjust.
1934         (struct tree_memory_tag): Remove.
1935         (struct tree_memory_partition_tag): Likewise.
1936         (union tree_node): Adjust.
1937         (build7): Re-write to be build6.
1938         * tree-pass.h (pass_reset_cc_flags): Remove.
1939         (TODO_update_address_taken): New flag.
1940         (pass_simple_dse): Remove.
1941         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1942         * params.h (MAX_ALIASED_VOPS): Remove.
1943         (AVG_ALIASED_VOPS): Likewise.
1944         * omp-low.c (expand_omp_taskreg): Update SSA form.
1945         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1946         aliases the lhs in a copy stmt.
1947         * tree-ssa-dse.c (struct address_walk_data): Remove.
1948         (memory_ssa_name_same): Likewise.
1949         (memory_address_same): Likewise.
1950         (get_kill_of_stmt_lhs): Likewise.
1951         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1952         unused stores.  Look through PHI nodes into post-dominated regions.
1953         (dse_optimize_stmt): Simplify.  Properly remove stores.
1954         (tree_ssa_dse): Compute dominators.
1955         (execute_simple_dse): Remove.
1956         (pass_simple_dse): Likewise.
1957         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1958         gimple_loaded_syms and gimple_stored_syms computation.
1959         * toplev.c (dump_memory_report): Dump alias and pta stats.
1960         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1961         (vn_reference_eq): Likewise.
1962         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1963         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1964         valueize_vuses): Remove.
1965         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1966         (get_def_ref_stmt_vuse): ... this.
1967         (vn_reference_lookup_2): New function.
1968         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1969         walking equivalent vuses.  Simplify.
1970         (vn_reference_lookup): Likewise.
1971         (vn_reference_insert): Likewise.
1972         (vn_reference_insert_pieces): Likewise.
1973         (visit_reference_op_call): Simplify.
1974         (visit_reference_op_load): Likewise.
1975         (visit_reference_op_store): Likewise.
1976         (init_scc_vn): Remove shared_lookup_vuses initialization.
1977         (free_scc_vn): Remove shared_lookup_vuses freeing.
1978         (sort_vuses, sort_vuses_heap): Remove.
1979         (get_ref_from_reference_ops): Export.
1980         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1981         vector with single vuse pointer.
1982         (vn_reference_lookup_pieces, vn_reference_lookup,
1983         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1984         (shared_vuses_from_stmt): Remove.
1985         (get_ref_from_reference_ops): Declare.
1986         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1987         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1988         memory-tag related code.
1989         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1990         (likely_value): Add comment, skip static-chain of call statements.
1991         (surely_varying_stmt_p): Adjust.
1992         (gimplify_and_update_call_from_tree): Likewise.
1993         (execute_fold_all_builtins): Do not rebuild alias info.
1994         (gimplify_and_update_call_from_tree): Properly update VOPs.
1995         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1996         (copy_ref_info): Remove memory-tag related code.
1997         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1998         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1999         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
2000         computation.
2001         * tree-ssa-dom.c (gimple_p): Remove typedef.
2002         (eliminate_redundant_computations): Adjust.
2003         (record_equivalences_from_stmt): Likewise.
2004         (avail_expr_hash): Likewise.
2005         (avail_expr_eq): Likewise.
2006         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2007         (stmt_makes_single_load): Likewise.
2008         (stmt_makes_single_store): Likewise.
2009         * tree-ssa-alias.c: Rewrite completely.
2010         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2011         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2012         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2013         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2014         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2015         Remove public functions.
2016         (pass_reset_cc_flags): Remove.
2017         (pass_build_alias): Move ...
2018         * tree-ssa-structalias.c (pass_build_alias): ... here.
2019         * tree-ssa-alias.c (may_be_aliased): Move ...
2020         * tree-flow-inline.h (may_be_aliased): ... here.
2021         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2022         count_uses_and_derefs): Move ...
2023         * gimple.c: ... here.
2024         * gimple.h (count_uses_and_derefs): Declare.
2025         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2026         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2027         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2028         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2029         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2030         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2031         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2032         New functions.
2033         * tree-dfa.c (refs_may_alias_p): Move ...
2034         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2035         * tree-ssa-alias.h: New file.
2036         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2037         (statement_sink_location): Likewise.
2038         * opts.c (decode_options): Do not adjust max-aliased-vops or
2039         avg-aliased-vops values.
2040         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2041         (TV_CALL_CLOBBER): Likewise.
2042         (TV_FLOW_SENSITIVE): Likewise.
2043         (TV_FLOW_INSENSITIVE): Likewise.
2044         (TV_MEMORY_PARTITIONING): Likewise.
2045         (TV_ALIAS_STMT_WALK): New timevar.
2046         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2047         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2048         (get_address_description): Remove memory-tag related code.
2049         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2050         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2051         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2052         and immediate uses in statements.  Document.
2053         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2054         (dump_symbols): Remove.
2055         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2056         * alias.c (get_deref_alias_set): New function split out from ...
2057         (get_alias_set): ... here.
2058         * alias.h (get_deref_alias_set): Declare.
2059         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2060         type parameter.  Remove restrict pointer handling.  Create a
2061         ref-all pointer in case type-based alias sets do not conflict.
2062         (vect_analyze_data_refs): Remove SMT related code.
2063         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2064         (vectorizable_load): Likewise.
2065         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2066         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2067         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2068         Ignore vops and SMTs.
2069         (dr_analyze_alias): Likewise..
2070         (free_data_ref): Likewise.
2071         (create_data_ref): Likewise.
2072         (analyze_all_data_dependences): Likewise.
2073         (get_references_in_stmt): Adjust.
2074         * tree-flow-inline.h (gimple_aliases_computed_p,
2075         gimple_addressable_vars, gimple_call_clobbered_vars,
2076         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2077         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2078         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2079         gimple_mem_ref_stats): Remove.
2080         (gimple_vop): New function.
2081         (op_iter_next_use): Remove vuses and mayuses cases.
2082         (op_iter_next_def): Remove vdefs case.
2083         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2084         (clear_and_done_ssa_iter): Do not set removed fields.
2085         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2086         Assert we are not iterating over vuses or vdefs if not also
2087         iterating over uses or defs.
2088         (op_iter_init_use): Likewise.
2089         (op_iter_init_def): Likewise.
2090         (op_iter_next_vdef): Remove.
2091         (op_iter_next_mustdef): Likewise.
2092         (op_iter_init_vdef): Likewise.
2093         (compare_ssa_operands_equal): Likewise.
2094         (link_use_stmts_after): Handle vuse operand.
2095         (is_call_used): Use is_call_clobbered.
2096         (is_call_clobbered): Global variables are always call clobbered,
2097         query the call-clobbers bitmap.
2098         (mark_call_clobbered): Ignore global variables.
2099         (clear_call_clobbered): Likewise.
2100         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2101         virtual operands sanity check.
2102         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2103         Remove.
2104         (TARGET_MEM_REF): Remove TMR_TAG operand.
2105         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2106         Remove call-clobber related code.
2107         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2108         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2109         partitions or escape reason.
2110         (get_single_def_stmt, get_single_def_stmt_from_phi,
2111         get_single_def_stmt_with_phi): Remove.
2112         (dump_referenced_vars): Tidy.
2113         (get_ref_base_and_extent): Allow bare decls.
2114         (collect_dfa_stats): Adjust.
2115         * graphite.c (rename_variables_in_stmt): Adjust.
2116         (graphite_copy_stmts_from_block): Likewise.
2117         (translate_clast): Likewise.
2118         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2119         (EXPR_DIES): New.
2120         (translate_vuse_through_block): Use the oracle.
2121         (phi_translate_1): Adjust.
2122         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2123         in EXPR_DIES.
2124         (valid_in_sets): Check if the VUSE for
2125         a REFERENCE is available.
2126         (eliminate): Do not remove stmts during elimination,
2127         instead queue and remove them afterwards.
2128         (do_pre): Do not rebuild alias info.
2129         (pass_pre): Run TODO_rebuild_alias before PRE.
2130         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2131         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2132         (mark_all_v_defs_stmt): Remove.
2133         (mark_all_v_defs_seq): Adjust.
2134         (sra_replace): Likewise.
2135         (scalarize_use): Likewise.
2136         (scalarize_copy): Likewise.
2137         (scalarize_init): Likewise.
2138         (scalarize_ldst): Likewise.
2139         (todoflags): Remove.
2140         (tree_sra): Do not rebuild alias info.
2141         (tree_sra_early): Adjust.
2142         (pass_sra): Run TODO_update_address_taken before SRA.
2143         * tree-predcom.c (set_alias_info): Remove.
2144         (prepare_initializers_chain): Do not call it.
2145         (mark_virtual_ops_for_renaming): Adjust.
2146         (mark_virtual_ops_for_renaming_list): Remove.
2147         (initialize_root_vars): Adjust.
2148         (initialize_root_vars_lm): Likewise.
2149         (prepare_initializers_chain): Likewise.
2150         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2151         (may_propagate_copy_into_stmt): Likewise.
2152         (merge_alias_info): Do nothing for now.
2153         (propagate_tree_value_into_stmt): Adjust.
2154         (stmt_may_generate_copy): Likewise.
2155         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2156         not mark symbols for renaming.
2157         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2158         with the same statement, make sure to update the new pointed-to one.
2159         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2160         call statements, do not mark symbols for renaming.
2161         (mark_operand_necessary): Dump something.
2162         (ref_may_be_aliased): New function.
2163         (mark_aliased_reaching_defs_necessary_1): New helper function.
2164         (mark_aliased_reaching_defs_necessary): Likewise.
2165         (mark_all_reaching_defs_necessary_1): Likewise.
2166         (mark_all_reaching_defs_necessary): Likewise.
2167         (propagate_necessity): Do not process virtual PHIs.  For
2168         non-aliased loads mark all reaching definitions as necessary.
2169         For aliased loads and stores mark the immediate dominating
2170         aliased clobbers as necessary.
2171         (visited): New global static.
2172         (perform_tree_ssa_dce): Free visited bitmap after propagating
2173         necessity.
2174         (remove_dead_phis): Perform simple dead virtual PHI removal.
2175         (remove_dead_stmt): Properly unlink virtual operands when
2176         removing stores.
2177         (eliminate_unnecessary_stmts): Schedule PHI removal after
2178         stmt removal.
2179         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2180         (process_replaceable): Likewise.
2181         (find_replaceable_in_bb): Likewise.
2182         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2183         based on the single gimple vop.
2184         (verify_flow_insensitive_alias_info): Remove.
2185         (verify_flow_sensitive_alias_info): Likewise.
2186         (verify_call_clobbering): Likewise.
2187         (verify_memory_partitions): Likewise.
2188         (verify_alias_info): Likewise.
2189         (verify_ssa): Adjust..
2190         (execute_update_addresses_taken): Export.  Update SSA
2191         manually.  Optimize only when optimizing.  Use a local bitmap.
2192         (pass_update_address_taken): Remove TODO_update_ssa, add
2193         TODO_dump_func.
2194         (pass_update_address_taken): Just use TODO_update_address_taken.
2195         (init_tree_ssa): Do not initialize addressable_vars.
2196         (verify_ssa): Verify new VUSE / VDEF properties.
2197         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2198         Do not call verify_alias_info.
2199         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2200         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2201         and callused solutions.  Do not free addressable_vars.
2202         Remove memory-tag related code.
2203         (warn_uninitialized_var): Aliases are always available.
2204         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2205         * lambda-code.c (can_put_in_inner_loop): Adjust.
2206         (can_put_after_inner_loop): Likewise.
2207         (perfect_nestify): Likewise.
2208         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2209         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2210         (vectorizable_conversion): Do not mark symbols for renaming.
2211         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2212         (expand_call_inline): Unlink the calls virtual operands before
2213         replacing it.
2214         (tree_function_versioning): Do not call update_ssa if we are not
2215         updating clones.  Simplify.
2216         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2217         (propagate_with_phi): Likewise..
2218         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2219         clobber code.  Assert we are not aliased or global.
2220         * tree-flow.h: Include tree-ssa-alias.h
2221         (enum escape_type): Remove.
2222         (struct mem_sym_stats_d): Likewise.
2223         (struct mem_ref_stats_d): Likewise.
2224         (struct gimple_df): Add vop member.  Remove global_var,
2225         call_clobbered_vars, call_used_vars, addressable_vars,
2226         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2227         escaped and callused members.
2228         (struct ptr_info_def): Remove all members, add points-to solution
2229         member pt.
2230         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2231         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2232         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2233         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2234         (tree-ssa-alias.o): Likewise.
2235         (toplev.o): Add tree-ssa-alias.h
2236         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2237         * gimple.c (gimple_set_bb): Fix off-by-one error.
2238         (is_gimple_reg): Do not handle memory tags.
2239         (gimple_copy): Also copy virtual operands.
2240         Delay updating the statement.  Do not reset loaded and stored syms.
2241         (gimple_set_stored_syms): Remove.
2242         (gimple_set_loaded_syms): Likewise.
2243         (gimple_call_copy_skip_args): Copy the virtual operands
2244         and mark the new statement modified.
2245         * tree-ssa-structalias.c (may_alias_p): Remove.
2246         (set_uids_in_ptset): Take the alias set to prune with as
2247         parameter.  Fold in the alias test of may_alias_p.
2248         (compute_points_to_sets): Compute whether a ptr is dereferenced
2249         in a local sbitmap.
2250         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2251         other ADDRESSOF constraints on the lhs.
2252         (get_constraint_for_component_ref): Assert that we don't get
2253         ADDRESSOF constraints from the base of the reference.
2254         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2255         (struct variable_info): Remove collapsed_to member.
2256         (get_varinfo_fc): Remove.
2257         (new_var_info): Do not set collapsed_to.
2258         (dump_constraint): Do not follow cycles.
2259         (dump_constraint_graph): Likewise.
2260         (build_pred_graph): Likewise.
2261         (build_succ_graph): Likewise.
2262         (rewrite_constraints): Likewise.
2263         (do_simple_structure_copy): Remove.
2264         (do_rhs_deref_structure_copy): Remove.
2265         (do_lhs_deref_structure_copy): Remove.
2266         (collapse_rest_of_var): Remove.
2267         (do_structure_copy): Re-implement.
2268         (pta_stats): New global variable.
2269         (dump_pta_stats): New function.
2270         (struct constraint_expr): Make offset signed.
2271         (UNKNOWN_OFFSET): Define special value.
2272         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2273         (solution_set_expand): New helper function split out from ...
2274         (do_sd_constraint): ... here.
2275         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2276         (do_ds_constraint): Likewise.
2277         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2278         and CALLUSED = *CALLUSED.
2279         (set_union_with_increment): Make inc argument signed.
2280         (type_safe): Remove.
2281         (get_constraint_for_ptr_offset): Handle unknown and negative
2282         constant offsets.
2283         (first_vi_for_offset): Handle offsets before start.  Bail
2284         out early for offsets beyond the variable extent.
2285         (first_or_preceding_vi_for_offset): New function.
2286         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2287         Together with ESCAPED = *ESCAPED this properly computes reachability.
2288         (find_what_var_points_to): New function.
2289         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2290         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2291         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2292         pt_solutions_intersect): New functions.
2293         (compute_call_used_vars): Remove.
2294         (compute_may_aliases): New main entry into PTA computation.
2295         * gimple.h (gimple_p): New typedef.
2296         (struct gimple_statement_base): Remove references_memory_p.
2297         (struct gimple_statement_with_memory_ops_base): Remove
2298         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2299         members.
2300         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2301         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2302         gimple_set_references_memory): Remove.
2303         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2304         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2305         New functions.
2306         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2307         (verify_expr): Allow RESULT_DECL.
2308         (gimple_duplicate_bb): Do not copy virtual operands.
2309         (gimple_duplicate_sese_region): Adjust.
2310         (gimple_duplicate_sese_tail): Likewise.
2311         (mark_virtual_ops_in_region): Remove.
2312         (move_sese_region_to_fn): Do not call it.
2313         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2314         and pass_simple_dse.
2315         (execute_function_todo): Handle TODO_update_address_taken,
2316         call execute_update_addresses_taken for TODO_rebuild_alias.
2317         (execute_todo): Adjust.
2318         (execute_one_pass): Init dump files early.
2319         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2320         call-clobbered.
2321         (create_general_new_stmt): Clear vops.
2322         * tree-ssa-reassoc.c (get_rank): Adjust.
2323         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2324         symbols for renaming.
2325         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2326         (PARAM_AVG_ALIASED_VOPS): Likewise.
2327         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2328         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2329         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2330         (operand_build_cmp, copy_virtual_operands,
2331         create_ssa_artificial_load_stmt, add_to_addressable_set,
2332         gimple_add_to_addresses_taken): Remove public functions.
2333         (unlink_stmt_vdef): New function.
2334
2335 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2336
2337         * config.gcc (powerpc-*-linux*): Merge variants.
2338
2339 2009-04-02  Chao-ying Fu  <fu@mips.com>
2340             James Grosbach <james.grosbach@microchip.com>
2341
2342         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2343         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2344         cop0_sp_offset.
2345         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2346         keep_interrupts_masked_p, use_debug_exception_return_p.
2347         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2348         keep_interrupts_masked, use_debug_exception_return.
2349         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2350         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2351         New functions.
2352         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2353         (mips_print_operand): Process COP0 registers to print $0 .. $31
2354         correctly for GAS to process.
2355         (mips_interrupt_extra_call_saved_reg_p): New function.
2356         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2357         extra registers.
2358         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2359         (mips_compute_frame_info): Add supports for interrupt context that
2360         includes doubleword accumulators and COP0 registers.
2361         (mips_for_each_saved_acc): New function.
2362         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2363         mips_for_each_saved_reg.
2364         (mips_save_reg): Save accumulators.
2365         (mips_kernel_reg_p): A new for_each_rtx callback.
2366         (mips_expand_prologue): Support interrupt handlers.
2367         (mips_restore_reg): Restore accumulators.
2368         (mips_expand_epilogue): Support interrupt handlers.
2369         (mips_can_use_return_insn): Return false for interrupt handlers.
2370         (mips_epilogue_uses): New function.
2371         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2372         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2373         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2374         cop0_move): New instructions.
2375         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2376         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2377         defines.
2378         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2379         New defines.
2380         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2381         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2382         interrupt handlers, we use K0 as the temporary register.
2383         (EPILOGUE_USES): Change to a function call.
2384         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2385         handlers, we use K0 as the temporary register.
2386         
2387         * doc/extend.texi (Function Attributes): Document interrupt,
2388         use_shadow_register_set, keep_interrupts_masked,
2389         use_debug_exception_return for MIPS attributes.
2390
2391 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2392
2393         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2394         Remove a number of t-files from tmake_file.
2395         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2396         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2397         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2398         target_prototype, not TARGET_PROTOTYPE.
2399         (LINK_OS_GNU_SPEC): Define.
2400         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2401         and darwin-ldoubdle.c.
2402
2403 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2404
2405         PR driver/39293
2406         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2407         (cpp_options): Ditto.
2408         (default_compilers): Ditto.
2409         (display_help): Ditto.
2410         (process_command): Ditto.
2411         (do_spec_1): Ditto.
2412         (set_input): Use lbasename instead of duplicate code.
2413         (save_temps_prefix): New static for -save-temps=obj.
2414         (save_temps_length): Ditto.
2415         
2416         * doc/invoke.texi (-save-temps=obj): Document new variant to
2417         -save-temps switch.
2418
2419 2009-04-02  Jeff Law  <law@redhat.com>
2420
2421         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2422         variable.
2423
2424 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2425
2426         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2427         * configure: Regenerated.
2428
2429 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2430
2431         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2432         share the argument list.
2433
2434 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2435
2436         Merge
2437
2438         2009-02-12  Diego Novillo  <dnovillo@google.com>
2439
2440         * varpool.c (debug_varpool): New.
2441         * cgraph.h (debug_varpool): Declare.
2442
2443 2009-04-02  Jan Hubicka  <jh@suse.cz>
2444
2445         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2446         pass.
2447
2448 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2449
2450         * config/i386/i386.c (ix86_abi): Move initialization to ...
2451         (override_options): Here.
2452
2453 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2454
2455         * config/sh/sh.c (sh_dwarf_register_span): New function.
2456         (TARGET_DWARF_REGISTER_SPAN): Define.
2457         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2458         
2459 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2460
2461         PR tree-optimization/39595
2462         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2463         interleaved loads group is not  greater than the SLP group size.
2464
2465 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2466
2467         * builtins.c (is_builtin_name): New.
2468         (called_as_built_in): Use is_builtin_name.
2469         * tree.h (is_builtin_name): New.
2470         * varasm.c (incorporeal_function_p): Use is_builtin_name
2471
2472 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2473
2474         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2475
2476 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2477
2478         PR c++/26693
2479         * c-decl.c (clone_underlying_type): Move this ...
2480         * c-common.c (set_underlying_type): ... here.
2481         Also, make sure the function properly sets TYPE_STUB_DECL() on
2482         the newly created typedef variant type.
2483         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2484         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2485         points.
2486
2487 2009-04-02  Richard Guenther  <rguenther@suse.de>
2488
2489         PR tree-optimization/37221
2490         * tree-flow.h (degenerate_phi_result): Declare.
2491         * tree-ssa-dom.c (degenerate_phi_result): Export.
2492         * tree-scalar-evolution.c (analyze_initial_condition): If
2493         the initial condition is defined by a degenerate PHI node
2494         use the degenerate value.
2495
2496 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2497
2498         PR rtl-optimization/39588
2499         * combine.c (merge_outer_ops): Do not set the constant when this
2500         is not necessary.
2501         (simplify_shift_const_1): Do not modify it either in this case.
2502
2503 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2504
2505         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2506         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2507
2508 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2509
2510         PR c/29027
2511         * c-lex.c (interpret_float): Default (no suffix) is double.
2512
2513 2009-04-1  Xinliang David Li  <davidxl@google.com>
2514
2515         * config/i386/i386.c (legitimate_constant_p): Recognize
2516         all one vector constant.
2517
2518 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2519
2520         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2521         Change #include order to silence two warnings.
2522
2523 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2524
2525         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2526         (ASM_SPEC): Pass -k to the assembler for PIC code.
2527
2528 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2529
2530         * gcc/config.gcc: Add vax-*-linux* to the switch.
2531         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2532         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2533
2534 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2535
2536         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2537         Use predicate macros instead of GET_CODE() == foo.
2538         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2539         ashlsi3, rotrsi3, <unnamed>): Likewise.
2540
2541 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2542
2543         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2544         jbbccihi, jbbccisi): Remova trailing whitespace.
2545         * gcc/config/vax/constraints.md: Likewise.
2546         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2547         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2548         * gcc/config/vax/predicates.md: Likewise.
2549         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2550         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2551         * gcc/config/vax/vax.h: Likewise.
2552         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2553
2554 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2555
2556         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2557         (indirectable_address_p, adjacent_operands_p): Add spaces around
2558         braces.
2559         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2560
2561 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2562
2563         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2564         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2565         index_term_p, reg_plus_index_p, legitimate_address_p,
2566         vax_mode_dependent_address_p): Update comments to match functions
2567         modified by the recent int->bool conversion.
2568
2569 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2570
2571         * gcc/config/vax/builtins.md: Update copyright message.
2572         * gcc/config/vax/constraints.md: Likewise.
2573         * gcc/config/vax/netbsd-elf.h: Likewise.
2574         * gcc/config/vax/predicates.md: Likewise.
2575         * gcc/config/vax/vax-protos.h: Likewise.
2576         * gcc/config/vax/vax.c: Likewise.
2577         * gcc/config/vax/vax.h: Likewise.
2578         * gcc/config/vax/vax.md: Likewise.
2579         * gcc/config/vax/vax.opt: Likewise.
2580
2581 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2582
2583         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2584         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2585         * gcc/config/vax/constraints.md (B, R): Likewise.
2586         * gcc/config/vax/predicates.md (external_memory_operand,
2587         nonimmediate_addsub_di_operand): Likewise.
2588         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2589         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2590         untyped_call): Likewise.
2591
2592 2009-04-01  Matt Thomas <matt@3am-software.com>
2593
2594         * config/vax/predicates.md: New file.
2595         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2596         external_const_operand, nonsymbolic_operand, external_memory_operand,
2597         indirect_memory_operand, indexed_memory_operand,
2598         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2599         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2600         predicate.
2601         * config/vax/constraints.md: New file.
2602         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2603         New constraint.
2604         * config/vax/builtins.md: New file.
2605         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2606         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2607         jbbccisi): Define.
2608         * config/vax/vax.opt (mqmath): Add option.
2609         * config/vax/vax.md (isfx): Extend with DI.
2610         (VAXintQH, VAXintQHSD): Define.
2611         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2612         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2613         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2614         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2615         (movdi): Update constraints and use vax_output_int_move().
2616         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2617         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2618         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2619         nonlocal_goto): New.
2620         (mov<mode>): Extend accepted operand types.
2621         (subdi3_old): Rename from subdi3, change update constraints and use
2622         a new implementation.
2623         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2624         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2625         MOVE_RATIO, CLEAR_RATIO): Define.
2626         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2627         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2628         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2629         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2630         (split_quadword_operands): Make static and really allow variable
2631         splitting.
2632         (print_operand_address): Update for PIC generation.
2633         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2634         indexable_address_p, fixup_mathdi_operand,
2635         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2636         (vax_float_literal, legitimate_constant_p,
2637         indirectable_constant_address_p, index_term_p,
2638         reg_plus_index_p): Return bool instead of int.
2639         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2640         where needed.
2641         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2642         generation.
2643         (vax_output_conditional_branch): Indent.
2644         (legitimate_constant_address_p, indirectable_constant_address_p,
2645         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2646         vax_mode_dependent_address_p): Return bool instead of int, update for
2647         PIC generation.
2648         * config/vax/vax-protos.h (legitimate_constant_address_p,
2649         legitimate_constant_p, legitimate_address_p,
2650         vax_mode_dependent_address_p): Change declaration to bool.
2651         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2652         vax_expand_addsub_di_operands, vax_output_int_subtract,
2653         vax_output_movmemsi): Declare.
2654         (split_quadword_operands, vax_float_literal): Delete declaration.
2655         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2656         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2657         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2658         ASM_OUTPUT_DWARF_PCREL): Define.
2659         (ASM_SPEC): Change definition to allow PIC generation.
2660
2661 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2662
2663         * doc/sourcebuild.texi: Update front-end requirements.
2664
2665 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2666
2667         PR target/39226
2668         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2669         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2670         (booldi3_internal3): Use boolean_or_operator instead of
2671         boolean_operator.
2672
2673 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2674
2675         PR c/39605
2676         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2677         declarator whose size is not an integer constant expression but
2678         folds to an integer constant, then treat it as a constant
2679         subsequently.
2680
2681 2009-04-01  Richard Guenther  <rguenther@suse.de>
2682
2683         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2684         i * 4 + 2 to (i * 2 + 1) * 2.
2685
2686 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2687
2688         PR c/37772
2689         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2690         return if c_parser_asm_string_literal returned NULL.
2691
2692 2009-04-01  Nick Clifton  <nickc@redhat.com>
2693
2694         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2695         already defined.
2696         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2697         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2698         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2699         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2700         include it.
2701         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2702         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2703         then include it.
2704
2705 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2706
2707         * varasm.c (default_function_rodata_section): Declare DOT as
2708         const char*.
2709
2710 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2711             Andrey Galkin <agalkin@hypercom.com>
2712
2713         PR/39492
2714         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2715         Make object_name unique for each process.
2716
2717 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2718
2719         PR other/39591
2720         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2721         addressable variables in the parallel that could go out of scope while
2722         running queued tasks.
2723
2724 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2725
2726         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2727         (CASE_VALUES_THRESHOLD): Redefine.
2728         * config/avr/avr.c (avr_override_options): Remove initialization of
2729         avr_case_values_threshold variable.
2730         (avr_case_values_threshold): Remove variable. Add new function.
2731         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2732         * config/avr/avr.opt (mno-tablejump): Remove option.
2733         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2734
2735 2009-04-01  DJ Delorie  <dj@redhat.com>
2736
2737         * varasm.c (default_function_rodata_section): Don't assume
2738         anything about where the first '.' in the section name is.
2739
2740 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2741
2742         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2743         rs6000_emit_stack_tie.
2744
2745 2009-03-31  Ian Lance Taylor  <iant@google.com>
2746
2747         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2748         gimple_code with GIMPLE_RESX, not RESX.
2749
2750 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2751
2752         * c-common.c (c_get_ident): New.
2753         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2754
2755 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2756
2757         * config/rs6000/sysv4.opt (msdata): Improve option description.
2758
2759 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2760
2761         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2762         (divdf3_internal_lat): Remove.
2763         (divxf3_internal_lat): Remove.
2764         (divxf3_internal_thr): Remove.
2765         (divxf): Use divxf3_internal.
2766         * config/ia64/div.md (divsf3_internal_lat): New.
2767         (divdf3_internal_lat): New.
2768         (divxf3_internal): New.
2769
2770 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2771
2772         PR c/448
2773         * Makefile.in (USE_GCC_STDINT): Define.
2774         (stmp-int-hdrs): Install stdint.h if applicable.
2775         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2776         if known.
2777         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2778         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2779         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2780         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2781         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2782         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2783         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2784         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2785         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2786         (c_common_nodes_and_builtins): Initialize
2787         underlying_wchar_type_node.  Do not initialize
2788         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2789         nodes for new types.
2790         (c_stddef_cpp_builtins): Define macros for new types.
2791         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2792         Remove.
2793         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2794         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2795         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2796         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2797         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2798         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2799         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2800         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2801         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2802         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2803         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2804         int16_type_node, int32_type_node, int64_type_node,
2805         uint8_type_node, uint16_type_node, c_uint32_type_node,
2806         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2807         int_least32_type_node, int_least64_type_node,
2808         uint_least8_type_node, uint_least16_type_node,
2809         uint_least32_type_node, uint_least64_type_node,
2810         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2811         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2812         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2813         uintptr_type_node): Define.
2814         * c-cppbuiltin.c (builtin_define_constants,
2815         builtin_define_type_minmax): New.
2816         (builtin_define_stdint_macros): Define more macros.
2817         (c_cpp_builtins): Define more limit macros.
2818         (type_suffix): New.
2819         (builtin_define_type_max): Define in terms of
2820         builtin_define_type_minmax.  Remove is_long parameter.  All
2821         callers changed.
2822         * config.gcc (use_gcc_stdint): Define.
2823         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2824         Add newlib-stdint.h for generic targets.
2825         * config/glibc-stdint.h, config/newlib-stdint.h,
2826         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2827         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2828         * config/score/score.h (UINTPTR_TYPE): Define.
2829         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2830         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2831         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2832         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2833         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2834         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2835         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2836         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2837         * config/spu/spu.h (STDINT_LONG32): Define.
2838         * configure.ac (use_gcc_stdint): Substitute.
2839         * configure: Regenerate.
2840         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2841         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2842         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2843         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2844         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2845         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2846         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2847         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2848         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2849         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2850         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2851         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2852         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2853         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2854         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2855         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2856         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2857         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2858         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2859         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2860         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2861         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2862         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2863         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2864         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2865         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2866         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2867         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2868         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2869
2870 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2871
2872         * loop-iv.c (suitable_set_for_replacement): Renamed from
2873         simplify_using_assignment; changed to return bool and to accept new
2874         args DEST and SRC.  Return true iff we find a source/destination pair
2875         that can be used to make a replacement, and fill SRC and DEST if so.
2876         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2877         changed.
2878         (simplify_using_initial_values): Deal with altered regs here and track
2879         more precisely the effect they have on the validity of our expression.
2880
2881         * loop-iv.c (simplify_using_condition): A condition of the form
2882         (EQ REG CONST) can be used to simply make a substitution.
2883         (simplify_using_initial_values): Keep track of conditions we have seen
2884         and keep using them to simplify new expressions, while applying the
2885         same substitutions to them as to the expression.
2886
2887         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2888         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2889         GEU/LTU reversed.
2890
2891         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2892         changed.  Use this when trying to improve the upper bound.
2893         Generate the comparison by using simplify_gen_relational.
2894
2895         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2896
2897         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2898         functions.
2899         (simplify_using_assignment, simplify_using_initial_values): Call 
2900         replace_in_expr to make replacements.  Call replace_single_def_regs
2901         once on the initial version of the expression.
2902
2903 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2904
2905         PR target/27237
2906         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2907         
2908 2009-03-31  Richard Guenther  <rguenther@suse.de>
2909
2910         PR middle-end/31029
2911         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2912         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2913
2914 2009-03-31  Richard Guenther  <rguenther@suse.de>
2915
2916         * tree.h (div_if_zero_remainder): Declare.
2917         * fold-const.c (div_if_zero_remainder): Export.
2918         * tree-ssa-forwprop.c
2919         (forward_propagate_addr_into_variable_array_index): Handle
2920         constant array index addition outside of the variable index.
2921
2922 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2923
2924         PR target/39592
2925         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2926         define_splits, floatunssi<mode>2): Require x87 conversions from
2927         DImode to be permitted.
2928
2929 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2930
2931         PR preprocessor/15638
2932         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2933
2934 2009-03-31  Richard Guenther  <rguenther@suse.de>
2935
2936         PR middle-end/23401
2937         PR middle-end/27810
2938         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2939         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2940         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2941         a separate statement.
2942         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2943         (lookup_tmp_var): Likewise.
2944         (is_gimple_formal_tmp_or_call_rhs): Remove.
2945         (is_gimple_reg_or_call_rhs): Rename to ...
2946         (is_gimple_reg_rhs_or_call): ... this.
2947         (is_gimple_mem_or_call_rhs): Rename to ...
2948         (is_gimple_mem_rhs_or_call): ... this.
2949         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2950         DECL_GIMPLE_REG_P only if is_formal is true.
2951         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2952         for non-proper post-modify expression gimplification.
2953         (gimplify_self_mod_expr): For post-modify expressions gimplify
2954         the lvalue to a minimal lvalue.
2955         (rhs_predicate_for): Remove formal temp case.
2956         (gimplify_modify_expr_rhs): Likewise.
2957         (gimplify_addr_expr): Use is_gimple_reg.
2958         (gimplify_expr): Remove formal temp cases.
2959         (gimple_regimplify_operands): Likewise.
2960         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2961         and FILTER_EXPR like constants.
2962         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2963         is_gimple_reg.
2964         (is_gimple_formal_tmp_rhs): Remove.
2965         (is_gimple_reg_rhs): Remove special casing.
2966         (is_gimple_mem_rhs): Fix.
2967         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2968         (is_gimple_formal_tmp_var): Remove.
2969         (is_gimple_formal_tmp_reg): Likewise.
2970         (is_gimple_min_lval): Allow invariant component ref parts.
2971         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2972         is_gimple_formal_tmp_reg): Remove declarations.
2973         * tree-cfg.c (verify_expr): Verify that variables with address
2974         taken do not have DECL_GIMPLE_REG_P set.
2975         * tree-mudflap.c (mf_build_check_statement_for): Use
2976         force_gimple_operand instead of gimplify_expr.
2977
2978 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2979
2980         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2981         schedulable rows to compute_split_row.
2982
2983 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2984
2985         PR target/31635
2986         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2987         OPT_mvrsave.
2988
2989 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2990
2991         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2992         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2993         * configure: Regenerate.
2994         * config.in: Regenerate.
2995         * config/rs6000/rs6000.opt (mtls-markers): Add.
2996         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2997         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2998         (tls_ld_aix, tls_ld_sysv): Likewise.
2999         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
3000         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
3001
3002 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3003
3004         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3005
3006 2009-03-30  Jan Hubicka  <jh@suse.cz>
3007
3008         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3009         out of RESX.
3010         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3011         detection and label handling.
3012
3013 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3014
3015         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3016         left_conflicts_size.
3017         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3018         ALLOCNO_LEFT_CONFLICTS_SIZE.
3019
3020         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3021         remove_allocno_from_bucket_and_push,
3022         allocno_spill_priority_compare, push_allocnos_to_stack,
3023         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3024         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3025         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3026         setup_allocno_left_conflicts_size.
3027         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3028         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3029         setup_allocno_left_conflicts_size instead of
3030         setup_allocno_left_conflicts_num.
3031
3032         * ira-build.c (ira_create_allocno): Use
3033         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3034         ALLOCNO_LEFT_CONFLICTS_NUM.
3035                 
3036 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3037
3038         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3039         instead of DF_LR_OUT.
3040
3041         * ira-lives.c (process_bb_node_lives): Ditto.
3042
3043         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3044         instead of DF_LR_{OUT,IN}.
3045
3046         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3047
3048         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3049
3050 2009-03-30  Jan Hubicka  <jh@suse.cz>
3051
3052         * except.c (label_to_region_map): Fix thinko.
3053
3054 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3055
3056         PR middle-end/38237
3057         * tree.h (tree_find_value): New declaration.
3058         * tree.c (tree_find_value): New function.
3059         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3060
3061 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3062
3063         PR debug/39563
3064         * c-decl.c (struct c_binding): Add locus field.
3065         (bind): Add locus argument, set locus field from it.
3066         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3067         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3068         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3069         implicitly_declare, undeclared_variable, lookup_label,
3070         declare_label, c_make_fname_decl, c_builtin_function,
3071         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3072         bind callers.
3073
3074 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3075
3076         PR target/38781
3077         * config/i386/i386.c (classify_argument): Check total size of
3078         structure.
3079
3080 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3081
3082         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3083         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3084         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3085         respectively.
3086
3087         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3088         seen_variable_array_ref while also traversing a union.
3089
3090         * tree-inline.c (optimize_inline_calls): Do not call
3091         cgraph_node_remove_callees.
3092         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3093         (pass_remove_cgraph_callee_edges): New variable.
3094         * passes.c (init_optimization_passes): Add
3095         pass_remove_cgraph_callee_edges after early inlining and before all
3096         late intraprocedural passes.
3097
3098         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3099
3100 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3101
3102         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3103         Fix typos in names.
3104
3105 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3106
3107         * combine.c (simplify_comparison): Use have_insn_for.
3108         * dojump.c (do_jump): Likewise.
3109
3110 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3111
3112         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3113         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3114         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3115         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3116         instead of sparc_compare_emitted.
3117         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3118         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3119         instead of sparc_compare_emitted.
3120
3121 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3122
3123         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3124         enter/exit cfglayout mode.
3125         (pass_partition_block): Require it.
3126         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3127         (combine_instructions): Track basic blocks instead of labels.
3128         (update_cfg_for_uncondjump): New.
3129         (try_combine): Use it.  Update jumps after rescanning.
3130         (pass_combine): Require PROP_cfglayout.
3131         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3132
3133 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3134
3135         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3136         Provide/destroy PROP_cfglayout respectively.
3137         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3138         * tree-pass.h (PROP_cfglayout): New.
3139
3140 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3141
3142         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3143         fold_convert_const_fixed_from_fixed,
3144         fold_convert_const_fixed_from_int,
3145         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3146         set TREE_CONSTANT_OVERFLOW.
3147         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3148         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3149
3150 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3151
3152         * tree-vect-loop-manip.c: New file.
3153         * tree-vectorizer.c: Update documentation and included files.
3154         (vect_loop_location): Make extern.
3155         (rename_use_op): Move to tree-vect-loop-manip.c
3156         (rename_variables_in_bb, rename_variables_in_loop, 
3157         slpeel_update_phis_for_duplicate_loop, 
3158         slpeel_update_phi_nodes_for_guard1,
3159         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3160         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3161         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3162         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
3163         find_loop_location): Likewise.
3164         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3165         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3166         get_vectype_for_scalar_type, vect_is_simple_use,
3167         supportable_widening_operation, supportable_narrowing_operation):
3168         Likewise.
3169         (bb_in_loop_p): Move to tree-vect-loop.c.
3170         (new_loop_vec_info, destroy_loop_vec_info, 
3171         reduction_code_for_scalar_code, report_vect_op, 
3172         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3173         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3174         (vect_supportable_dr_alignment): Likewise.
3175         * tree-vectorizer.h (tree-data-ref.h): Include.
3176         (vect_loop_location): Declare.
3177         Reorganize function declarations according to the new file structure.
3178         * tree-vect-loop.c: New file.
3179         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
3180         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3181         * tree-vect-data-refs.c: New file.
3182         * tree-vect-patterns.c (timevar.h): Don't include.
3183         * tree-vect-stmts.c: New file.
3184         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
3185         tree-vect-slp.c, tree-vect-loop.c.
3186         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
3187         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
3188         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3189         (tree-vect-analyze.o): Remove.
3190         (tree-vect-transform.o): Likewise.
3191         (tree-vect-data-refs.o): Add rule.
3192         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
3193         tree-vect-slp.o): Likewise.
3194         (tree-vect-patterns.o): Remove redundant dependencies.
3195         (tree-vectorizer.o): Likewise.
3196         * tree-vect-slp.c: New file.
3197
3198 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3199
3200         * optc-gen.awk: Warn if an option flag has multiple different
3201         help strings.
3202
3203 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3204
3205         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3206         -floop-block): Document dependences on PPL, CLooG and Graphite.
3207
3208 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3209
3210         PR rtl-optimization/323
3211         * c-common.c (c_fully_fold, convert_and_check,
3212         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3213         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3214         * c-common.def (EXCESS_PRECISION_EXPR): New.
3215         * c-cppbuiltin.c (builtin_define_float_constants): Define
3216         constants with enough digits for long double.
3217         * c-lex.c (interpret_float): Interpret constant with excess
3218         precision where appropriate.
3219         * c-opts.c (c_common_post_options): Set
3220         flag_excess_precision_cmdline.  Give an error for
3221         -fexcess-precision=standard for C++ for processors where the
3222         option is significant.
3223         * c-parser.c (c_parser_conditional_expression): Handle excess
3224         precision in condition.
3225         * c-typeck.c (convert_arguments): Handle arguments with excess
3226         precision.
3227         (build_unary_op): Move excess precision outside operation.
3228         (build_conditional_expr): Likewise.
3229         (build_compound_expr): Likewise.
3230         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3231         (build_modify_expr): Handle excess precision in RHS.
3232         (convert_for_assignment): Handle excess precision in converted
3233         value.
3234         (digest_init, output_init_element, process_init_element): Handle
3235         excess precision in initializer.
3236         (c_finish_return): Handle excess precision in return value.
3237         (build_binary_op): Handle excess precision in operands and add
3238         excess precision as needed for operation.
3239         * common.opt (-fexcess-precision=): New option.
3240         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3241         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3242         For standard excess precision, output explicit conversion to and
3243         truncation from XFmode.
3244         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3245         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3246         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3247         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3248         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3249         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3250         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3251         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3252         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3253         define_splits, sqrt<mode>2): Disable where appropriate for
3254         standard excess precision.
3255         * convert.c (convert_to_real): Do not shorten arithmetic to type
3256         for which excess precision would be used.
3257         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3258         * doc/invoke.texi (-fexcess-precision=): Document option.
3259         (-mfpmath=): Correct index entry.
3260         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3261         flag_excess_precision): New.
3262         * langhooks.c (lhd_post_options): Set
3263         flag_excess_precision_cmdline.
3264         * opts.c (common_handle_option): Handle -fexcess-precision=.
3265         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3266         init_excess_precision): New.
3267         (lang_dependent_init_target): Call init_excess_precision.
3268         * tree.c (excess_precision_type): New.
3269         * tree.h (excess_precision_type): Declare.
3270
3271 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3272
3273         PR c/35235
3274         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3275         non-lvalue to component.
3276
3277 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3278
3279         PR preprocessor/34695
3280         * Makefile.in (c-opts.o): Depend on c-tree.h.
3281         * c-common.c: Move down include of diagnostic.h.
3282         (done_lexing, c_cpp_error): New.
3283         * c-common.h (done_lexing): Declare.
3284         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3285         (parse_in).
3286         * c-opts.c: Include c-tree.h.
3287         (c_common_init_options): Set preprocessor error callback.
3288         (c_common_handle_option): Do not set preprocessor
3289         inhibit_warnings, warnings_are_errors, warn_system_headers,
3290         pedantic_errors or inhibit_warnings flags.
3291         (c_common_post_options): Do not check cpp_errors (parse_in).
3292         (c_common_finish): Do not output dependencies if there were
3293         errors.  Do not check return value of cpp_finish.
3294         * c-ppoutput.c (pp_file_change): Set input_location.
3295         * c-tree.h (c_cpp_error): Declare.
3296         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3297         override_column.
3298         (diagnostic_build_prefix): Check override_column.
3299         * diagnostic.h (diagnostic_info): Add override_column field.
3300         (diagnostic_override_column): Define.
3301
3302 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3303
3304         * c-common.c (c_expand_expr, c_staticp): Remove.
3305         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3306         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3307         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3308         * c-gimplify.c (gimplify_compound_literal_expr,
3309         optimize_compound_literals_in_ctor): Remove.
3310         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3311         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3312         * c-semantics.c (emit_local_var): Remove.
3313
3314         * langhooks-def.h (lhd_expand_expr): Remove.
3315         * langhooks.c (lhd_expand_expr): Remove.
3316         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3317
3318         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3319         handling from c-semantics.c; don't call into langhook.
3320         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3321         * gimplify.c (gimplify_compound_literal_expr,
3322         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3323         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3324         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3325         as was done in c-gimplify.c.
3326         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3327         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3328         Move from c-common.h.
3329         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3330
3331         * tree.c (staticp): Do not call langhook.
3332         * langhooks.c (lhd_staticp): Delete.
3333         * langhooks-def.h (lhd_staticp): Delete prototype.
3334         (LANG_HOOKS_STATICP): Delete.
3335         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3336
3337         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3338         instead of DECL_STMTs.
3339
3340 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3341
3342         PR c/456
3343         PR c/5675
3344         PR c/19976
3345         PR c/29116
3346         PR c/31871
3347         PR c/35198
3348         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3349         void_type_node.
3350         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3351         contained expression.
3352         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3353         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3354         conditional expressions for C.
3355         (decl_constant_value_for_optimization): Move from
3356         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3357         whether optimizing and that the expression is a VAR_DECL not of
3358         array type instead of doing such checks in the caller.  Do not
3359         check pedantic.  Call gcc_unreachable for C++.
3360         * c-common.def (C_MAYBE_CONST_EXPR): New.
3361         * c-common.h (c_fully_fold, c_save_expr,
3362         decl_constant_value_for_optimization): New prototypes.
3363         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3364         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3365         EXPR_INT_CONST_OPERANDS): Define.
3366         * c-convert.c (convert): Strip nops from expression.
3367         * c-decl.c (groktypename): Take extra parameters expr and
3368         expr_const_operands.  Update call to grokdeclarator.
3369         (start_decl): Update call to grokdeclarator.  Add statement for
3370         expressions used in type of decl.
3371         (grokparm): Update call to grokdeclarator.
3372         (push_parm_decl): Update call to grokdeclarator.
3373         (build_compound_literal): Add parameter non_const and build a
3374         C_MAYBE_COSNT_EXPR if applicable.
3375         (grokdeclarator): Take extra parameters expr and
3376         expr_const_operands.  Track expressions used in declaration
3377         specifiers and declarators.  Fold array sizes and track whether
3378         they are constant expressions and whether they are integer
3379         constant expressions.
3380         (parser_xref_tag): Set expr and expr_const_operands fields in
3381         return value.
3382         (grokfield): Update call to grokdeclarator.
3383         (start_function): Update call to grokdeclarator.
3384         (build_null_declspecs): Set expr and expr_const_operands fields in
3385         return value.
3386         (declspecs_add_type): Handle expressions in typeof specifiers.
3387         * c-parser.c (c_parser_declspecs): Set expr and
3388         expr_const_operands fields for declaration specifiers.
3389         (c_parser_enum_specifier): Likewise.
3390         (c_parser_struct_or_union_specifier): Likewise.
3391         (c_parser_typeof_specifier): Likewise.  Update call to
3392         groktypename.  Fold expression as needed.  Return expressions with
3393         type instead of adding statements.
3394         (c_parser_attributes): Update calls to c_parser_expr_list.
3395         (c_parser_statement_after_labels): Fold expression before passing
3396         to objc_build_throw_stmt.
3397         (c_parser_condition): Fold expression.
3398         (c_parser_asm_operands): Fold expression.
3399         (c_parser_conditional_expression): Use c_save_expr.  Update call
3400         to build_conditional_expr.
3401         (c_parser_alignof_expression): Update call to groktypename.
3402         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3403         original_code.  Fold expression argument of va_arg.  Create
3404         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3405         argument to va_arg.  Update calls to groktypename.  Fold array
3406         index for offsetof.  Verify that first argument to
3407         __builtin_choose_expr has integer type.
3408         (c_parser_postfix_expression_after_paren_type): Update calls to
3409         groktypename and build_compound_literal.  Handle expressions with
3410         side effects in type name.
3411         (c_parser_postfix_expression_after_primary): Update call to
3412         c_parser_expr_list.  Set original_code for calls to
3413         __builtin_constant_p.
3414         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3415         expressions if requested.
3416         (c_parser_objc_type_name): Update call to groktypename.
3417         (c_parser_objc_synchronized_statement): Fold expression.
3418         (c_parser_objc_receiver): Fold expression.
3419         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3420         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3421         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3422         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3423         (struct c_typespec): Add elements expr and expr_const_operands.
3424         (struct c_declspecs): Add elements expr and expr_const_operands.
3425         (groktypename, build_conditional_expr, build_compound_literal):
3426         Update prototypes.
3427         (in_late_binary_op): Declare.
3428         * c-typeck.c (note_integer_operands): New function.
3429         (in_late_binary_op): New variable.
3430         (decl_constant_value_for_broken_optimization): Move to c-common.c
3431         and rename to decl_constant_value_for_optimization.
3432         (default_function_array_conversion): Do not strip nops.
3433         (default_conversion): Do not call
3434         decl_constant_value_for_broken_optimization.
3435         (build_array_ref): Do not fold result.
3436         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3437         result when operand is a VLA.
3438         (c_expr_sizeof_type): Update call to groktypename.  Handle
3439         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3440         result when operand names a VLA type.
3441         (build_function_call): Update call to build_compound_literal.
3442         Only fold result for calls to __builtin_* functions.  Strip
3443         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3444         the function designator.
3445         (convert_arguments): Fold arguments.  Update call to
3446         convert_for_assignment.
3447         (build_unary_op): Handle increment and decrement of
3448         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3449         decrement earlier.  Fold operand of increment and decrement.
3450         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3451         built for integer operand.  Wrap returns that are INTEGER_CSTs
3452         without being integer constant expressions or that have integer
3453         constant operands without being INTEGER_CSTs.
3454         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3455         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3456         result is an integer constant expression or can be used in
3457         unevaluated parts of one and avoid folding and wrap as
3458         appropriate.  Fold operands before possibly doing -Wsign-compare
3459         warnings.
3460         (build_compound_expr): Wrap result for C99 if operands can be used
3461         in integer constant expressions.
3462         (build_c_cast): Update call to digest_init.  Do not ignore
3463         overflow from casting floating-point constants to integers.  Wrap
3464         results that could be confused with integer constant expressions,
3465         null pointer constants or floating-point constants.
3466         (c_cast_expr): Update call to groktypename.  Handle expressions
3467         included in type name.
3468         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3469         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3470         Update calls to convert_for_assignment.
3471         (convert_for_assignment): Take new parameter
3472         null_pointer_constant.  Do not strip nops or call
3473         decl_constant_value_for_broken_optimization.  Set
3474         in_late_binary_op for conversions to boolean.
3475         (store_init_value): Update call to digest_init.
3476         (digest_init): Take new parameter null_pointer_constant.  Do not
3477         call decl_constant_value_for_broken_optimization.  pedwarn for
3478         initializers not constant expressions.  Update calls to
3479         convert_for_assignment.
3480         (constructor_nonconst): New.
3481         (struct constructor_stack): Add nonconst element.
3482         (really_start_incremental_init, push_init_level, pop_init_level):
3483         Handle constructor_nonconst and nonconst element.
3484         (set_init_index): Call constant_expression_warning for array
3485         designators.
3486         (output_init_element): Fold value.  Set constructor_nonconst as
3487         applicable.  pedwarn for initializers not constant expressions.
3488         Update call to digest_init.  Call constant_expression_warning
3489         where constant initializers are required.
3490         (process_init_element): Use c_save_expr.
3491         (c_finish_goto_ptr): Fold expression.
3492         (c_finish_return): Fold return value.  Update call to
3493         convert_for_assignment.
3494         (c_start_case): Fold switch expression.
3495         (c_process_expr_stmt): Fold expression.
3496         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3497         ensure statement expression is not evaluated in constant expression.
3498         (build_binary_op): Track whether results are integer constant
3499         expressions or may occur in such, disable folding and wrap results
3500         as applicable.  Fold operands for -Wsign-compare warnings unless
3501         in_late_binary_op.
3502         (c_objc_common_truthvalue_conversion): Handle results folded to
3503         integer constants that are not integer constant expressions.
3504         * doc/extend.texi: Document when typeof operands are evaluated,
3505         that condition of __builtin_choose_expr is an integer constant
3506         expression, and more about use of __builtin_constant_p in
3507         initializers.
3508
3509 2009-03-29  Richard Guenther  <rguenther@suse.de>
3510
3511         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3512         propagate addresses of array references.
3513
3514 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3515
3516         * regmove.c (perhaps_ends_bb_p): Remove.
3517         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3518         from INSN and check that the main loop stays within that basic block.
3519         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3520         (regmove_forward_pass): Split out from regmove_optimize.  Use
3521         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3522         (regmove_backward_pass): Split out from regmove_optimize.  Use
3523         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3524         (regmove_optimize): Simplify.
3525
3526 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3527
3528         PR target/39545
3529         * config/i386/i386.c (classify_argument): Ignore flexible array
3530         member in struct and warn ABI change.
3531
3532 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3533
3534         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3535
3536         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3537         (ix86_adjust_cost): Updated.
3538
3539 2009-03-29  Jan Hubicka  <jh@suse.cz>
3540
3541         PR middle-end/28850
3542         * tree-pass.h (pass_cleanup_eh): New function.
3543         (remove_unreachable_regions): Break code handling RTL
3544         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3545         that can not be reached by runtime.
3546         (can_be_reached_by_runtime): New function.
3547         (label_to_region_map): New function.
3548         (num_eh_regions): New function.
3549         (rtl_remove_unreachable_regions): New function.
3550         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3551         (remove_eh_region): New function.
3552         * except.h: Include sbitmap and vecprim.
3553         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3554         num_eh_regions): Declare.
3555         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3556         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3557         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3558         (tree_empty_eh_handler_p): New function.
3559         (cleanup_empty_eh): New function.
3560         (cleanup_eh): New function.
3561         (pass_cleanup_eh): New function.
3562
3563 2009-03-29  Jan Hubicka  <jh@suse.cz>
3564
3565         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3566         for removed regions.
3567
3568 2009-03-29  Jan Hubicka  <jh@suse.cz>
3569
3570         * except.c (dump_eh_tree): Dump all datastructures.
3571
3572 2009-03-29  Jan Hubicka  <jh@suse.cz>
3573
3574         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3575         (duplicate_eh_regions_1): Likewise.
3576         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3577         vector; call EH verification.
3578         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3579         Be ready for region being removed.
3580
3581 2009-03-29  Jan Hubicka  <jh@suse.cz>
3582
3583         * bitmap.c (bitmap_last_set_bit): New function.
3584         * bitmap.h (bitmap_last_set_bit): Declare.
3585
3586 2009-03-29  David Ayers  <ayers@fsfe.org>
3587
3588         PR objc/27377
3589         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3590         by calling objc_compare_types and surpress warnings about
3591         incompatible C pointers that are compatible ObjC pointers.
3592         
3593 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3594
3595         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3596         call initialize_inline_failed.
3597         (initialize_inline_failed): Move it from here ...
3598         * cgraph.c (initialize_inline_failed): ... to here.
3599         (cgraph_create_edge): Call initialize_inline_failed rather than
3600         setting inline_failed directly.
3601
3602 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3603
3604         PR target/32542
3605         * sysv4.opt (msdata): Improve comment.
3606         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3607         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3608
3609 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3610
3611         PR target/30451
3612         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3613         load and store attributes.
3614
3615 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3616
3617         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3618         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3619         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3620         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3621         __builtin_infq and __builtin_huge_valq.
3622
3623 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3624
3625         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3626         atmega8m1 devices.
3627         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3628         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3629
3630 2009-03-28  Xinliang David Li  <davidxl@google.com>
3631
3632         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3633         (do_dbg_cnt): New function.
3634
3635 2009-03-28  Jan Hubicka  <jh@suse.cz>
3636
3637         Merge from pretty-ipa:
3638
3639         2009-03-27  Jan Hubicka  <jh@suse.cz>
3640
3641         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3642         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3643         * passes.c (function_called_by_processed_nodes_p): New.
3644         * ipa-pure-const.c (check_call): Fix handling of operands.
3645         (analyze_function): Dump debug output for skipped bodies.
3646         (local_pure_const): Use function_called_by_processed_nodes_p.
3647         * dwarf2out.c (reference_to_unused): Use output.
3648         * passes.c (do_per_function_toporder): Likewise.
3649
3650         2008-11-12  Jan Hubicka  <jh@suse.cz>
3651
3652         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3653         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3654         state_set_in_source enum
3655         (check_decl): Ignore memory tags; do not set fake looping flags;
3656         dump diagnostics.
3657         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3658         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3659         (check_call, analyze_function): Rewrite.
3660         (check_stmt): New.
3661         (add_new_function): Update call of analyze_function.
3662         (generate_summary): Add call of analyze_function.
3663         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3664         (local_pure_const): New function.
3665         (pass_local_pure_const): New pass.
3666         * ipa-inline.c (inline_transform): Set after_inlining.
3667         * tree-eh.c (stmt_can_throw_external): New.
3668         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3669         work with aliasing built.
3670         * tree-flow.h (stmt_can_throw_external): New.
3671         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3672         and local pure/const pass in early and late optimization queue.
3673
3674 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3675
3676         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3677         allow_func_align.
3678         (fold_binary): Allow function decl aligment consideration is the
3679         second argument is integer constant one.
3680         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3681         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3682         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3683
3684 2009-03-28  Jan Hubicka  <jh@suse.cz>
3685
3686         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3687         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3688         * function.h (rtl_data): Add nothrow flag.
3689         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3690         set DECL_NOTHROW for AVAILABLE functions.
3691
3692 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3693
3694         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3695         following vector keyword has expansion starting with pixel or bool
3696         keyword, expand vector to __vector and pixel or bool to __pixel or
3697         __bool.
3698
3699         PR c++/39554
3700         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3701         warn_if_disallowed_function_p): Removed.
3702         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3703         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3704         warning_if_disallowed_function_p.
3705         * flags.h (warn_if_disallowed_function_p,
3706         warn_disallowed_functions): Removed.
3707         * common.opt (Wdisallowed-function-list=): Removed.
3708         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3709
3710 2009-03-28  Richard Guenther  <rguenther@suse.de>
3711
3712         PR tree-optimization/38723
3713         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3714         the entry block.
3715
3716 2009-03-28  Jan Hubicka  <jh@suse.cz>
3717
3718         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3719         test introduced by my previous patch.
3720
3721 2009-03-28  Richard Guenther  <rguenther@suse.de>
3722
3723         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3724         the PHIs value undefined.
3725
3726 2009-03-28  Jan Hubicka  <jh@suse.cz>
3727
3728         * tree-pass.h (pass_fixup_cfg): New pass.
3729         * ipa-inline.c (inline_transform): Set
3730         always_inline_functions_inlined/after_inlining.
3731         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3732         (pass_fixup_cfg): New pass.
3733         * passes.c (init_optimization_passes): Add fixup_cfg.
3734
3735 2009-03-28  Richard Guenther  <rguenther@suse.de>
3736
3737         PR tree-optimization/38458
3738         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3739         argument use the arguments copy-of value.
3740
3741 2009-03-28  Richard Guenther  <rguenther@suse.de>
3742
3743         PR tree-optimization/38180
3744         * tree-ssa-ccp.c (get_default_value): Simplify.
3745         (likely_value): Likewise.
3746         (surely_varying_stmt_p): Properly handle VOP case.
3747         (ccp_initialize): Likewise.
3748         (ccp_fold): Handle propagating through *&.
3749         (fold_const_aggregate_ref): Also handle decls.
3750
3751 2009-03-28  Jan Hubicka  <jh@suse.cz>
3752
3753         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3754         * cgraph.h (cgraph_node): Likewise.
3755         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3756         (cgraph_reset_node): Use process flag.
3757         (cgraph_mark_functions_to_output): Likewise.
3758         (cgraph_expand_function): Likewise.
3759         (cgraph_expand_all_functions): Likewise.
3760         (cgraph_output_in_order): Likewise.
3761         * dwarf2out.c (reference_to_unused): Likewise.
3762         * passes.c do_per_function_toporder): Likewise.
3763
3764 2009-03-28  Jan Hubicka  <jh@suse.cz>
3765
3766         Bring from lto-branch:
3767
3768         2008-09-03  Doug Kwan  <dougkwan@google.com>
3769
3770         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3771         enums instead of reason strings.
3772         * cgraph.c (cgraph_create_edge): Same.
3773         (cgraph_inline_failed_string): New function.
3774         * cgraph.h (cgraph_inline_failed_t): New enum type.
3775         (cgraph_inline_failed_string): New prototype.
3776         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3777         char pointer to cgraph_inline_failed_t.
3778         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3779         (cgraph_default_inline_p): Ditto.
3780         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3781         to cgraph_inline_failed_t pointer.
3782         * cif-code.def: New file.
3783         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3784         reason string.
3785         (cgraph_check_inline_limits): Change type of REASON to pointer to
3786         cgraph_inline_failed_t.  Replace reason strings with enums.
3787         (cgraph_default_inline_p): Ditto.
3788         (cgraph_recursive_inlining_p): Ditto.
3789         (update_caller_keys): Change type of FAILED_REASON to
3790         cgraph_inline_failed_t.
3791         (cgraph_set_inline_failed): Change type of REASON to pointer to
3792         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3793         convert enums to strings for text output.
3794         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3795         to be of type cgraph_inline_failed_t.  Replace reason strings with
3796         enums.  Call cgraph_inline_failed_string to covert enums
3797         to strings for text output.
3798         (cgraph_decide_inlining): Replace reason strings with enums.
3799         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3800         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3801         for text output.
3802         * tree-inline.c (expand_call_inline): Change type of REASON
3803         to cgraph_inline_failed_t.  Replace reason strings with enums.
3804         Call cgraph_inline_failed_string for text output.
3805         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3806         (cgraph.o): Ditto.
3807
3808 2009-03-28  Jan Hubicka  <jh@suse.cz>
3809
3810         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3811         cgraph_clone_node): Remove master clone handling.
3812         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3813         * cgraph.h (master_clone): Remove.
3814         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3815         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3816         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3817
3818 2009-03-28  Jan Hubicka  <jh@suse.cz>
3819
3820         * cgraph.c (cgraph_function_body_availability): Functions declared
3821         inline are always safe to assume that it is not going to be replaced.
3822
3823 2009-03-28  Richard Guenther  <rguenther@suse.de>
3824
3825         PR tree-optimization/38513
3826         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3827         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3828         EXC_PTR_EXPR and FILTER_EXPR.
3829         (get_ref_from_reference_ops): Likewise.
3830
3831 2009-03-28  Richard Guenther  <rguenther@suse.de>
3832
3833         PR tree-optimization/38968
3834         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3835         Use FLOOR_MOD_EXPR to compute misalignment.
3836
3837 2009-03-28  Richard Guenther  <rguenther@suse.de>
3838
3839         PR tree-optimization/37795
3840         * tree.h (combine_comparisons): Declare.
3841         * fold-const.c (combine_comparisons): Export.
3842         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3843         comparisons.
3844         (ifcombine_iforif): Use combine_comparisons.
3845
3846 2009-03-28  Jan Hubicka  <jh@suse.cz>
3847
3848         * tree-eh.c (inlinable_call_p): New function.
3849         (make_eh_edges): Use it.
3850         (verify_eh_edges): Use it.
3851         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3852         * except.c (reachable_next_level): Add inlinable_function argument
3853         (sjlj_find_directly_reachable_regions): Update.
3854         (add_reachable_handler): Do not set saw_any_handlers.
3855         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3856         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3857         Add new inlinable call parameter.
3858         (can_throw_internal, can_throw_external): Update.
3859         * except.h (can_throw_internal_1, can_throw_external_1,
3860         foreach_reachable_handler): Update declaration.
3861
3862 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3863
3864         * config/arm/t-arm-coff, config/h8300/coff.h,
3865         config/i386/i386-aout.h, config/i386/i386-coff.h,
3866         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3867         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3868         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3869         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3870         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3871         sys-types.h: Remove.
3872         * Makefile.in: Remove protoize and fixproto support and references
3873         in comments.
3874         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3875         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3876         Remove.
3877         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3878         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3879         unprotoize$(exeext).
3880         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3881         (.PHONY): Don't depend on proto.
3882         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3883         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3884         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3885         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3886         build/gen-protos.o, build/scan.o, xsys-protos.h,
3887         build/fix-header$(build_exeext), build/fix-header.o,
3888         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3889         stmp-install-fixproto): Remove.
3890         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3891         SYSCALLS.c or fixproto files.
3892         (install-common): Don't install protoize.
3893         (install-headers-tar, install-headers-cpio, install-headers-cp):
3894         Don't depend on $(STMP_FIXPROTO).
3895         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3896         install fixproto files or write out fixproto settings.
3897         (uninstall): Don't uninstall protoize.
3898         * config.gcc (use_fixproto): Remove.
3899         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3900         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3901         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3902         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3903         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3904         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3905         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3906         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3907         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3908         * config/t-vxworks (STMP_FIXPROTO): Remove.
3909         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3910         STMP_FIXPROTO): Remove.
3911         * config.in, configure: Regenerate.
3912         * crtstuff.c (gid_t, uid_t): Don't undefine.
3913         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3914         (arm-*-coff, arm-*-aout: Remove target entries.
3915         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3916         Remove mention of AIX 4.1.
3917         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3918         * doc/invoke.texi (Running Protoize): Remove.
3919         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3920         (Protoize Caveats): Remove.
3921         * tsystem.h: Update comments on headers assumed to exist.
3922
3923 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3924
3925         * genautomata.c: Add a new year to the copyright.  Add a new
3926         reference.
3927         (struct insn_reserv_decl): Add comments for member bypass_list.
3928         (find_bypass): Remove.
3929         (insert_bypass): New.
3930         (process_decls): Use insert_bypass.
3931         (output_internal_insn_latency_func): Output all bypasses with the
3932         same input insn in one switch case.
3933
3934         * rtl.def (define_bypass): Describe bypass choice.
3935         * doc/md.texi (define_bypass): Ditto.
3936
3937 2009-03-27  Richard Guenther  <rguenther@suse.de>
3938
3939         * gimplify.c (mark_addressable): Export.
3940         * tree-flow.h (mark_addressable): Declare.
3941         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3942         * tree-ssa.c (verify_phi_args): Verify that address taken
3943         variables have TREE_ADDRESSABLE set.
3944
3945 2009-03-27  Richard Guenther  <rguenther@suse.de>
3946
3947         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3948         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3949         Do not mark decls TREE_ADDRESSABLE.
3950         (build_fold_addr_expr): Adjust.
3951         (fold_addr_expr): Remove.
3952         (fold_unary): Use build_fold_addr_expr.
3953         (fold_comparison): Likewise.
3954         (split_address_to_core_and_offset): Likewise.
3955         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3956         TREE_ADDRESSABLE.
3957         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3958         (gimplify_modify_expr_to_memcpy): Mark source and destination
3959         addressable.
3960         * omp-low.c (create_omp_child_function): Mark the object decl
3961         TREE_ADDRESSABLE.
3962         (lower_rec_input_clauses): Mark the var we take the address of
3963         TREE_ADDRESSABLE.
3964         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3965
3966 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3967
3968         PR middle-end/39315
3969         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3970         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3971
3972 2009-03-27  Richard Guenther  <rguenther@suse.de>
3973
3974         PR tree-optimization/39120
3975         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3976         constraints.
3977         (handle_lhs_call): Process return constraints.  Add escape
3978         constraints if necessary.
3979         (handle_const_call): Fill out return constraints.  Make nested
3980         case more precise.  Avoid consttmp if possible.
3981         (handle_pure_call): Fill out return constraints.  Avoid
3982         callused if possible.
3983         (find_func_aliases): Simplify call handling.
3984
3985 2009-03-27  Richard Guenther  <rguenther@suse.de>
3986
3987         PR tree-optimization/39120
3988         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3989         as a representative.
3990         (solve_graph): Do propagate CALLUSED.
3991         (handle_pure_call): Use a scalar constraint from CALLUSED for
3992         the return value.
3993         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3994         solutions.
3995
3996 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3997
3998         PR c/39323
3999         * c-common.c (handle_aligned_attribute): Properly check alignment
4000         overflow.  Use (1U << i) instead of (1 << i).
4001
4002         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4003
4004         * expr.h (get_mem_align_offset): Updated.
4005
4006         * tree.h (tree_decl_common): Change align to "unsigned int" and
4007         move it before pointer_alias_set.
4008
4009 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4010             Jakub Jelinek  <jakub@redhat.com>
4011
4012         PR target/38034
4013         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4014         gr_register_operand with gr_reg_or_0_operand.
4015         (cmpxchg_rel_di): Likewise.
4016         (sync_lock_test_and_set<mode>): Likewise.
4017
4018 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4019
4020         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4021         (true_regnum): Likewise.
4022
4023         * rtlanal.c (subreg_info): Moved to ...
4024         * rtl.h (subreg_info): Here.  New.
4025         (subreg_get_info): New.
4026
4027         * rtlanal.c (subreg_get_info): Make it extern.
4028
4029 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4030
4031         PR target/39472
4032         * config/i386/i386.c (ix86_abi): New.
4033         (override_options): Handle -mabi=.
4034         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4035         (ix86_call_abi_override): Likewise.
4036         (init_cumulative_args): Likewise.
4037         (function_arg_advance): Likewise.
4038         (function_arg_64): Likewise.
4039         (function_arg): Likewise.
4040         (ix86_pass_by_reference): Likewise.
4041         (ix86_function_value_regno_p): Likewise.
4042         (ix86_build_builtin_va_list_abi): Likewise.
4043         (setup_incoming_varargs_64): Likewise.
4044         (is_va_list_char_pointer): Likewise.
4045         (ix86_init_machine_status): Likewise.
4046         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4047         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4048         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4049         (ix86_function_abi): Make it static and return enum calling_abi.
4050         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4051         with ix86_abi.
4052         (ix86_fn_abi_va_list): Updated.
4053
4054         * config/i386/i386.h (ix86_abi): New.
4055         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4056         (CONDITIONAL_REGISTER_USAGE): Likewise.
4057         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4058         (machine_function): Likewise.
4059
4060         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4061         with ix86_abi.
4062         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4063         (STACK_BOUNDARY): Likewise.
4064         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4065
4066         * config/i386/i386.opt (mabi=): New.
4067
4068         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4069         return enum calling_abi.
4070         (ix86_function_type_abi): Likewise.
4071         (ix86_function_abi): Removed.
4072
4073         * doc/invoke.texi: Document -mabi= option for x86.
4074
4075 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4076
4077         * builtins.c (real_dconstp): Delete.
4078         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4079
4080 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4081             Jakub Jelinek  <jakub@redhat.com>
4082
4083         PR debug/37959
4084         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4085         (gen_subprogram_die): When a function is explicit, generate the
4086         DW_AT_explicit attribute.
4087         * langhooks.h (struct lang_hooks_for_decls): Add
4088         function_decl_explicit_p langhook.
4089         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4090         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4091
4092 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4093
4094         * builtins.c (fold_builtin_memory_op): Optimize memmove
4095         into memcpy if we can prove source and destination don't overlap.
4096
4097         * tree-inline.c: Include gt-tree-inline.h.
4098         (clone_fn_id_num): New variable.
4099         (clone_function_name): New function.
4100         (tree_function_versioning): Use it.
4101         * Makefile.in (GTFILES): Add tree-inline.c.
4102
4103 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4104
4105         * BASE-VER: Change to 4.5.0.
4106
4107 2009-03-27  Xinliang David Li  <davidxl@google.com>
4108
4109         PR tree-optimization/39557
4110         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4111
4112 2009-03-27  Xinliang David Li  <davidxl@google.com>
4113
4114         PR tree-optimization/39548
4115         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
4116         candidate check.
4117
4118 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4119
4120         * c-common.c (pointer_int_sum): Use %wd on return from
4121         tree_low_cst.
4122
4123 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4124
4125         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4126         on return from tree_low_cst.
4127
4128 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4129
4130         PR c++/36799
4131         * ginclude/stdarg.h (va_copy): Define also for
4132         __GXX_EXPERIMENTAL_CXX0X__.
4133
4134 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4135
4136         PR c++/35652
4137         * builtins.h (c_strlen): Do not warn here.
4138         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4139         * c-common.c (pointer_int_sum): Take an explicit location.
4140         Warn about offsets out of bounds.
4141         * c-common.h (pointer_int_sum): Adjust declaration.
4142
4143 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4144
4145         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4146         markup glitch.
4147
4148 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4149
4150         PR c++/39554
4151         * opts.c (warn_if_disallowed_function_p): Don't assume
4152         get_callee_fndecl must return non-NULL.
4153
4154 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4155
4156         PR rtl-optimization/39522
4157         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4158         when reg_reloaded_valid is set.
4159
4160 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4161
4162         * config/spu/divv2df3.c: New file.
4163         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4164         (DPBIT_FUNCS): Filter out _div_df.
4165
4166 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4167
4168         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4169         a jump insn, count that jump in the distance to the loop start.
4170
4171 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4172
4173         PR target/39523
4174         * config/sh/sh.c (calc_live_regs): Fix condition for global
4175         registers except PIC_OFFSET_TABLE_REGNUM.
4176
4177 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4178
4179         PR/39518
4180         * doc/invoke.texi (-mconsole): New.
4181         (-mcygwin): New.
4182         (-mno-cygwin): New.
4183         (-mdll): New.
4184         (-mnop-fun-dllimport): New.
4185         (-mthread): New.
4186         (-mwin32): New.
4187         (-mwindows): New.
4188         (sub section "i386 and x86-64 Windows Options"): New.
4189
4190 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4191
4192         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4193         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4194
4195 2009-03-25  Richard Guenther  <rguenther@suse.de>
4196
4197         PR middle-end/39497
4198         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4199         of -Wno-error.
4200
4201 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4202
4203         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4204         neither of haifa/selective schedulers are working.
4205
4206 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4207
4208         * doc/invoke.texi (Debugging Options): Fix description of
4209         -fno-merge-debug-strings.
4210
4211 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4212
4213         * config/cris/libgcc.ver: New version-script.
4214         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4215
4216         * configure.ac <GAS features, nop mnemonic>: Add pattern
4217         crisv32-*-* for "nop".
4218         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4219         * configure: Regenerate.
4220
4221 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4222
4223         PR tree-optimization/39529
4224         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4225         mark_sym_for_renaming for the tag copied to the new vector
4226         pointer.
4227
4228 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4229
4230         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4231         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4232         EXTRA_SPEC_FUNCTIONS.
4233         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4234         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4235         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4236         -march and -mtune options.
4237
4238 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4239
4240         * config/m68k/t-rtems: Add m5329 multilib.
4241
4242 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4243             Jakub Jelinek  <jakub@redhat.com>
4244
4245         PR debug/39524
4246         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4247         nodes.
4248
4249 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4250
4251         PR c/39495
4252         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4253         instead of c_parser_expression_conv, if original_code isn't one of the
4254         4 allowed comparison codes, fail.
4255
4256 2009-03-23  Richard Guenther  <rguenther@suse.de>
4257
4258         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4259         * tree.h (struct tree_type): Likewise.
4260         * reload.h (struct insn_chain): Likewise.
4261         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4262         * function.h (struct function): Likewise.
4263         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4264
4265 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4266
4267         PR tree-optimization/39516
4268         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4269
4270 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4271
4272         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
4273         should be set true if BITS_PER_WORD of target is bigger than 32
4274
4275 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4276
4277         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4278         Translate -B-options to -rpath-link.  Correct existing
4279         rpath-link and conditionalize on !nostdlib.
4280
4281 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4282
4283         * doc/extend.texi (Function Attributes, Variable Attributes):
4284         Fix typos.
4285         * doc/invoke.texi (Debugging Options, Optimize Options)
4286         (i386 and x86-64 Options, MCore Options): Likewise.
4287
4288 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4289
4290         PR debug/37890
4291         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4292         it for block local namespace aliases.
4293         (gen_decl_die): Pass context_die to gen_namespace_die.
4294
4295 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4296
4297         PR c/39495
4298         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4299         minimum or maximum value.
4300
4301 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4302
4303         * reginfo.c (globalize_reg): Recompute derived reg sets.
4304
4305 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4306
4307         PR target/39063
4308         * libgcc2.c (mprotect): Do not use signed arguments for
4309         VirtualProtect, use DWORD arguments.  Also fix the 'may
4310         be used uninitialized' warning for the np variable.
4311
4312 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4313
4314         PR target/39496
4315         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4316         functions using regparm calling conventions when not optimizing.
4317         (ix86_function_sseregparm): Similarly for sseregparm calling
4318         conventions.
4319
4320 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4321
4322         PR middle-end/39500
4323         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4324         dependence if the first conflict is after niter iterations.
4325
4326 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4327
4328         PR middle-end/38609
4329         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4330         functions with dynamic stack-pointer adjustments.
4331
4332 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4333
4334         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4335         option; change to -msdata=data.
4336
4337 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4338
4339         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
4340         and -fopenmp.
4341
4342 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
4343
4344         PR target/35180
4345         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
4346
4347 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
4348
4349         * doc/invoke.texi (Code Gen Options): Expand discussion of
4350         -fno-common.
4351
4352 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
4353
4354         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4355         * matrix-reorg.c (struct matrix_info): Likewise.
4356         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
4357         * rtl.h (struct mem_attrs): Likewise.
4358         * df.h (struct df): Likewise.
4359         * tree-data-ref.h (struct data_dependence_relation): Likewise.
4360         * ira-int.h (struct ira_allocno): Likewise.
4361         * df-scan.c (struct df_collection_rec): Likewise.
4362         * ira.c (struct equivalence): Likewise.
4363         * function.c (struct temp_slot): Likewise.
4364         * cfgloop.h (struct loop): Likewise.
4365
4366         PR debug/39485
4367         * function.c (use_register_for_decl): When not optimizing, disregard
4368         register keyword for variables with types containing methods.
4369
4370 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
4371
4372         PR middle-end/39447
4373         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
4374         (is_simple_operand): Call contains_component_ref_p before calling data
4375         reference analysis that would fail on COMPONENT_REFs.
4376
4377         * tree-vrp.c (search_for_addr_array): Fix formatting.
4378
4379 2009-03-18  Richard Guenther  <rguenther@suse.de>
4380
4381         * tree-vect-transform.c (vect_loop_versioning): Fold the
4382         generated comparisons.
4383         * tree-vectorizer.c (set_prologue_iterations): Likewise.
4384         (slpeel_tree_peel_loop_to_edge): Likewise.
4385
4386 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4387
4388         PR middle-end/37805
4389         * opts.c (print_specific_help): In addition to `undocumented',
4390         accept `separate' and `joined' flags if passed alone.  Describe
4391         output by the first matched one of those.
4392         (common_handle_option): Skip over empty strings.
4393         * gcc.c (display_help): Fix help string for `--help='.
4394         * doc/invoke.texi (Option Summary, Overall Options): With
4395         `--help=', classes and qualifiers can both be repeated, but
4396         only the latter can be negated.  One should not pass only
4397         negated qualifiers.  Fix markup and examples.
4398
4399         Revert
4400         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
4401         PR middle-end/37805
4402         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
4403         and -fhelp=separate.
4404
4405 2009-03-17  Jing Yu  <jingyu@google.com>
4406
4407         PR middle-end/39378
4408         * function.h (struct rtl_data): Move is_thunk from here...
4409         (struct function): ...to here.
4410         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
4411         * varasm.c (assemble_start_function): Change is_thunk from crtl to
4412         cfun.
4413         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
4414         cfun.
4415         (alpha_does_function_need_gp, alpha_start_function): Likewise.
4416         (alpha_output_function_end_prologue): Likewise.
4417         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
4418         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
4419         (rs6000_output_function_epilogue): Likewise.
4420         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4421
4422 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
4423
4424         PR target/39482
4425         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
4426         from different units in a single alternative.
4427         (*truncdfsf_i387): Ditto.
4428         (*truncxfsf2_mixed): Ditto.
4429         (*truncxfdf2_mixed): Ditto.
4430
4431 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
4432
4433         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
4434         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
4435
4436         PR debug/39474
4437         * tree-ssa-live.c (remove_unused_locals): Don't remove local
4438         unused non-artificial variables when not optimizing.
4439
4440         PR debug/39471
4441         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
4442         DW_TAG_imported_module even if decl is IMPORTED_DECL with
4443         NAMESPACE_DECL in its DECL_INITIAL.
4444
4445         PR middle-end/39443
4446         * optabs.c (set_user_assembler_libfunc): New function.
4447         * expr.h (set_user_assembler_libfunc): New prototype.
4448         * c-common.c: Include libfuncs.h.
4449         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
4450         for memcmp, memset, memcpy, memmove and abort.
4451         * Makefile.in (c-common.o): Depend on libfuncs.h.
4452
4453         PR debug/39412
4454         * dwarf2out.c (gen_inlined_enumeration_type_die,
4455         gen_inlined_structure_type_die, gen_inlined_union_type_die,
4456         gen_tagged_type_instantiation_die): Removed.
4457         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
4458         do nothing.
4459
4460 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
4461
4462         PR testsuite/38526
4463         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
4464         its use.
4465         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
4466         (check-parallel-%): Ditto.
4467         (check-consistency): Ditto.
4468
4469 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
4470
4471         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
4472         local variable rhs by NULL_TREE.
4473
4474 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4475
4476         PR target/39477
4477         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
4478
4479 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4480
4481         PR target/39476
4482         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
4483
4484 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4485
4486         PR target/39473
4487         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
4488         for ms->sysv ABI calls only in 64bit mode.
4489
4490         * config/i386/i386.md (untyped_call): Support 32bit.
4491
4492 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
4493
4494         * doc/extend.texi: Replace x86_65 with x86_64.
4495
4496 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
4497
4498         PR tree-optimization/39455
4499         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
4500         mismatches for POINTER_TYPE_P (type).
4501         (number_of_iterations_le): Likewise.
4502
4503 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
4504
4505         * config/picochip/picochip.c: Removed profiling support.
4506         * config/picochip/picochip.md: Removed profiling instruction.
4507         * config/picochip/picochip.h: Removed profiling builtin.
4508
4509 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
4510
4511         * doc/install.texi (--with-host-libstdcxx): Document.
4512
4513 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
4514
4515         PR target/34299
4516         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
4517         generate a warning if the function name does not begin with
4518         "__vector" and the function has either the 'signal' or 'interrupt'
4519         attribute, from here to ...
4520         (avr_declare_function_name): ...here. New function.
4521         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
4522         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
4523
4524 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
4525
4526         PR bootstrap/39454
4527         * cse.c (fold_rtx): Don't modify original const_arg1 when
4528         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
4529         separate variable instead.
4530         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
4531         from out of range shift counts.
4532         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
4533
4534 2008-03-13  Catherine Moore  <clm@codesourcery.com>
4535
4536         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
4537         diagnostic.h with $(DIAGNOSTIC_H).
4538
4539 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4540
4541         PR target/39431
4542         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
4543         predicate.
4544         * config/i386/sync.md (sync_compare_and_swap<mode>,
4545         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
4546         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
4547         into a register.
4548         (sync_double_compare_and_swapdi_pic,
4549         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
4550         cmpxchg8b_pic_memory_operand instead of just memory_operand.
4551
4552 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4553
4554         PR target/39445
4555         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
4556
4557 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4558
4559         PR target/39327
4560         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4561         (avx_addsubv4df3): Likewise.
4562         (*avx_addsubv4sf3): Likewise.
4563         (sse3_addsubv4sf3): Likewise.
4564
4565 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
4566
4567         PR target/38824
4568         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
4569
4570 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4571
4572         PR debug/39432
4573         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
4574         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
4575         registers for allocnos created from user-defined variables.
4576
4577 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4578
4579         PR target/39181
4580         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
4581         of non-integer mode as well.
4582
4583 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
4584
4585         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
4586         for functions for which the parameter types are unknown.
4587
4588 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
4589
4590         PR target/39137
4591         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
4592         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
4593         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
4594         * config/i386/i386.c (ix86_local_alignment): For
4595         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
4596         long long variables on the stack to avoid dynamic realignment.
4597         Allow the first argument to be a decl rather than type.
4598         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
4599
4600 2009-03-11  Nick Clifton  <nickc@redhat.com>
4601
4602         PR target/5362
4603         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
4604         options.
4605         Add description to mno-lsim option.
4606         * config/mcore/mcore.h: Remove comment about deprecated m4align
4607         option.
4608         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
4609         * doc/invoke.texi: Add description of mno-lsim and
4610         mstack-increment options.
4611
4612         * config/fr30/fr30.opt: Document the -mno-lsim option.
4613         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
4614         and -mno-lsim options.
4615
4616 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4617
4618         * fold-const.c (fold_comparison): Only call fold_inf_compare
4619         if the mode supports infinities.
4620
4621 2009-03-11  Jason Merrill  <jason@redhat.com>
4622
4623         PR debug/39086
4624         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
4625         end already did.  Notice GIMPLE_CALL modifications of the result.
4626         Don't copy debug information from an ignored decl or a decl from
4627         another function.
4628
4629 2009-03-10  Richard Guenther  <rguenther@suse.de>
4630             Nathan Froyd  <froydnj@codesourcery.com>
4631
4632         PR middle-end/37850
4633         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
4634         (__divMODE3): Likewise.
4635
4636 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
4637
4638         PR tree-optimization/39394
4639         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
4640         DECL_SIZE_UNIT of variable length FIELD_DECLs.
4641
4642 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4643
4644         * recog.c (verfiy_changes): Disallow renaming of hard regs in
4645         inline asms for register asm ("") declarations.
4646
4647 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
4648
4649         * fold-const.c (fold_unary): Fix comment.
4650
4651 2009-03-07  Jan Hubicka  <jh@suse.cz>
4652
4653         PR target/39361
4654         * tree-inline.c (setup_one_parameter): Do replacement of const
4655         argument by constant in SSA form.
4656
4657 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4658
4659         PR middle-end/38028
4660         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
4661         determine alignment passed to assign_stack_local.
4662         (assign_parms_unsplit_complex): Likewise.
4663         * except.c (sjlj_build_landing_pads): Likewise.
4664
4665 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4666
4667         PR middle-end/39360
4668         * tree-flow.h (add_referenced_var): Return bool instead of void.
4669         * tree-dfa.c (add_referenced_var): Return result of
4670         referenced_var_check_and_insert call.
4671         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
4672         of referenced_var_check_and_insert.
4673
4674         PR debug/39372
4675         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
4676         (gen_variable_die): Emit DW_AT_location on abstract static variable's
4677         DIE, don't emit it if abstract origin already has it.
4678         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
4679         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
4680
4681 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4682
4683         * genpreds.c (needs_variable): Fix parentheses at variable name
4684         detection.
4685         (write_tm_constrs_h): Indent generated code.
4686
4687 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4688
4689         * doc/extend.texi (Function Attributes): Add documentation
4690         for isr attributes.
4691
4692 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
4693
4694         PR debug/39387
4695         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
4696         take locus from its DECL_SOURCE_LOCATION instead of input_location.
4697
4698 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4699
4700         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
4701         the loop as bad.
4702
4703 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
4704
4705         PR debug/39379
4706         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
4707         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
4708
4709 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
4710
4711         * config/i386/i386.md (R8_REG, R9_REG): New constants.
4712         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
4713         constants instead of magic numbers.
4714         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
4715         (QI_REG_P): Ditto.
4716         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
4717         (x86_64_ms_abi_int_parameter_registers): Ditto.
4718         (x86_64_int_return_registers): Ditto.
4719         (ix86_maybe_switch_abi): Ditto.
4720         (ix86_expand_call): Ditto for clobbered_registers array.
4721         (ix86_hard_regno_mode_ok): Ditto.
4722         (x86_extended_QIreg_mentioned_p): Ditto.
4723
4724 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
4725
4726         PR tree-optimization/39349
4727         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
4728
4729         * combine.c (gen_lowpart_for_combine): Use omode when generating
4730         clobber.
4731
4732 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
4733
4734         PR rtl-optimization/39235
4735         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
4736
4737 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4738
4739         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
4740
4741 2009-03-04  Richard Guenther  <rguenther@suse.de>
4742
4743         PR tree-optimization/39362
4744         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
4745         that occur in abnormal PHIs should be varying.
4746
4747 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
4748
4749         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
4750         Extend comments.
4751         (simple_iv):  Take loop as an argument instead of statement.
4752         * tree-scalar-evolution.h (simple_iv): Declaration changed.
4753         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
4754         to simple_iv.
4755         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
4756         Ditto.
4757         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
4758         * matrix-reorg.c (analyze_transpose): Ditto.
4759         * tree-data-ref.c (dr_analyze_innermost): Ditto.
4760         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4761         * tree-predcom.c (ref_at_iteration): Ditto.
4762         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
4763
4764 2009-03-04  Richard Guenther  <rguenther@suse.de>
4765
4766         PR tree-optimization/39358
4767         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
4768         escaped_id and callused_id.
4769         (solve_graph): Likewise.
4770
4771 2009-03-04  Richard Guenther  <rguenther@suse.de>
4772
4773         PR tree-optimization/39339
4774         * tree-sra.c (try_instantiate_multiple_fields): Make it
4775         no longer ICE on the above.
4776
4777 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
4778
4779         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
4780         that fits within Pmode.
4781
4782 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4783
4784         PR middle-end/10109
4785         * tm.texi (LIBCALL_VALUE): Update description.
4786
4787 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
4788
4789         PR middle-end/34443
4790         * doc/extend.texi (section): Update description.
4791
4792 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
4793
4794         PR middle-end/39345
4795         * tree-inline.c (remapped_type): New.
4796         (can_be_nonlocal): Call remapped_type instead of remap_type.
4797
4798 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4799
4800         PR fortran/39354
4801         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
4802         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
4803
4804 2009-03-03  Richard Guenther  <rguenther@suse.de>
4805
4806         PR middle-end/39272
4807         * tree.c (tree_nonartificial_location): New function.
4808         * tree.h (tree_nonartificial_location): Declare.
4809         * builtins.c (expand_builtin_memory_chk): Provide location
4810         of the call location for artificial function pieces.
4811         (maybe_emit_chk_warning): Likewise.
4812         (maybe_emit_sprintf_chk_warning): Likewise.
4813         (maybe_emit_free_warning): Likewise.
4814         * expr.c (expand_expr_real_1): Likewise.
4815
4816 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
4817
4818         PR tree-optimization/39343
4819         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
4820         COMPONENT_REF t has ARRAY_TYPE.
4821
4822 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
4823
4824         PR middle-end/39335
4825         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
4826         when the type precision of the induction variable should be
4827         larger than the type precision of nit.
4828         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
4829         * graphite.c (graphite_loop_normal_form): Same.
4830         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
4831
4832 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4833
4834         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
4835         (*call_1_rex64_ms_sysv): Use named constants instead of magic
4836         numbers to describe clobbered registers.
4837         (*call_value_0_rex64_ms_sysv): Ditto.
4838         * config/i386/mmx.md (mmx_emms): Ditto.
4839         (mmx_femms): Ditto.
4840
4841 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
4842
4843         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
4844         of ABI_64.
4845
4846 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4847
4848         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
4849         (spu_section_type_flags): New function.
4850
4851 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
4852
4853         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
4854         reg_class_contents of FLOAT_REGS into a temporary.
4855
4856 2009-03-02  Richard Guenther  <rguenther@suse.de>
4857             Ira Rosen  <irar@il.ibm.com>
4858
4859         PR tree-optimization/39318
4860         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
4861         information to the vectorized statement.
4862
4863 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
4864
4865         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
4866         variable.  Use defined names instead of magic constants for REX SSE
4867         registers.
4868
4869 2009-03-01  Richard Guenther  <rguenther@suse.de>
4870
4871         PR tree-optimization/39331
4872         * omp-low.c (lower_send_shared_vars): Do not receive new
4873         values for the reference of DECL_BY_REFERENCE parms or results.
4874
4875 2009-03-01  Jan Hubicka  <jh@suse.cz>
4876
4877         PR debug/39267
4878         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
4879         BLOCK_NONLOCALIZED_VAR): New macros.
4880         (tree_block): Add nonlocalized_vars.
4881         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
4882         gen_decl_die): Add origin argument.  Allow generation of die with
4883         origin at hand only.
4884         (gen_member_die, gen_type_die_with_usage, force_decl_die,
4885         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
4886         of gen_*.
4887         (gen_block_die): Fix checking for unused blocks.
4888         (process_scope_var): Break out from .... ; work with origins only.
4889         (decls_for_scope) ... here; process nonlocalized list.
4890         (dwarf2out_ignore_block): Look for nonlocalized vars.
4891         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
4892         vars.
4893         (dump_scope_block): Dump them.
4894         * tree-inline.c (remap_decls): Handle nonlocalized vars.
4895         (remap_block): Likewise.
4896         (can_be_nonlocal): New predicate.
4897         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
4898
4899 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4900
4901         * configure: Regenerate.
4902
4903 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4904
4905         * optc-gen.awk: No need to duplicate option flags twice.
4906         Reuse help texts for duplicate options which do not have any.
4907
4908         * gcc.c (display_help): Document --version.
4909
4910         * gcc.c (main): If print_help_list and verbose_flag, ensure
4911         driver output comes before subprocess output.
4912
4913         * optc-gen.awk: Assign all remaining fields to help string,
4914         space-separated, for multi-line help in *.opt.
4915
4916         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
4917         -Wno-pedantic-ms-format is for MinGW targets only.
4918
4919         * doc/options.texi (Option file format): Fix bad indentation,
4920         restoring dropped sentence.
4921
4922 2009-02-28  Jan Hubicka  <jh@suse.cz>
4923
4924         * tree-inline.c (tree_function_versioning): Output debug info.
4925
4926 2009-02-28  Jan Hubicka  <jh@suse.cz>
4927
4928         PR debug/39267
4929         * tree-inline.c (setup_one_parameter): Do not copy propagate
4930         arguments when not optimizing.
4931
4932 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
4933
4934         PR target/39327
4935         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
4936         (avx_addsubv4df3): Likewise.
4937         (*avx_addsubv4sf3): Likewise.
4938         (sse3_addsubv4sf3): Likewise.
4939         (*avx_addsubv2df3): Likewise.
4940         (sse3_addsubv2df3): Likewise.
4941         (avx_unpckhps256): Correct item selectors.
4942         (avx_unpcklps256): Likewise.
4943         (avx_unpckhpd256): Likewise.
4944         (avx_unpcklpd256): Likewise.
4945
4946 2009-02-28  Jan Hubicka  <jh@suse.cz>
4947
4948         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
4949         static vars.
4950         (copy_arguments_for_versioning): If var is declared don't declare it.
4951         (tree_function_versioning): First setup substitutions and then copy
4952         args.
4953
4954 2009-02-27  Jan Hubicka  <jh@suse.cz>
4955
4956         PR debug/39267
4957         * cgraph.h (varpool_output_debug_info): Remove.
4958         * cgraphunit.c (varpool_output_debug_info): Remove.
4959         * dwarf2out.c (deferred_locations_struct): New struct
4960         (deferred_locations): New type.
4961         (deferred_locations_list): New static var.
4962         (deffer_location): New function.
4963         (gen_variable_die): Use it.
4964         (decls_for_scope): Output info on local static vars.
4965         (dwarf2out_finish): Process deferred locations.
4966         * varpool.c (varpool_output_debug_info): Remove.
4967
4968 2009-02-27  Jan Hubicka  <jh@suse.cz>
4969
4970         PR debug/39267
4971         * tree.h (TREE_PROTECTED): Fix comment.
4972         (BLOCK_HANDLER_BLOCK): Remove.
4973         (struct tree_block): Remove handler_block add body_block.
4974         (inlined_function_outer_scope_p): New.
4975         (is_body_block): Remove.
4976         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
4977         * dwarf2out.c (is_inlined_entry_point): Remove.
4978         (add_high_low_attributes): Use inlined_function_outer_scope_p.
4979         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
4980         code.
4981         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
4982         * gimplify.c (gimplify_expr): Gimplify body blocks.
4983         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
4984         block with multiple subblocks.
4985         (dump_scope_block): Prettier output; dump more flags and info.
4986         (dump_scope_blocks): New.
4987         (remove_unused_locals): Use dump_scope_blocks.
4988         * tree-flow.h (dump_scope_blocks): Declare.
4989         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
4990         * stmt.c (is_body_block): Remove.
4991         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
4992         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
4993
4994 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
4995
4996         PR middle-end/39308
4997         * graphite.c (graphite_loop_normal_form): Do not call 
4998         number_of_iterations_exit from a gcc_assert.
4999
5000 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5001
5002         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
5003         jumps if COND is NULL.
5004         (find_cond_jump): New function.
5005         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5006         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5007
5008 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5009
5010         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5011         force_const_mem returns NULL_RTX.
5012
5013 2009-02-26  Jan Hubicka  <jh@suse.cz>
5014
5015         PR debug/39267
5016         * cgraph.h (varpool_output_debug_info): Remove.
5017         * cgraphunit.c (varpool_output_debug_info): Remove.
5018         * dwarf2out.c (deferred_locations_struct): New struct
5019         (deferred_locations): New type.
5020         (deferred_locations_list): New static var.
5021         (deffer_location): New function.
5022         (gen_variable_die): Use it.
5023         (decls_for_scope): Output info on local static vars.
5024         (dwarf2out_finish): Process deferred locations.
5025         * varpool.c (varpool_output_debug_info): Remove.
5026
5027 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5028
5029         PR rtl-optimization/39241
5030         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5031         to subreg_offset_representable_p.
5032
5033 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5034
5035         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5036         execute function prototype.  Get f and nregs from max_reg_num
5037         and get_insns.  Remove the first backward pass as it's dead,
5038         guard the forward pass by flag_expensive_optimizations.
5039         (rest_of_handle_regmove): Delete.
5040         (pass_regmove): Replace it with regmove_optimize.
5041
5042 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5043
5044         PR tree-optimization/39259
5045         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5046         calls_alloca function flags.
5047         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5048         calls are detected.
5049
5050 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5051
5052         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5053         flags_set_1_rtx, flags_set_1_set): Delete.
5054         (regmove_optimize): Do not call mark_flags_life_zones.
5055
5056 2009-02-24  Julian Brown  <julian@codesourcery.com>
5057
5058         PR target/35965
5059         * config/arm/arm.c (require_pic_register): Only set
5060         cfun->machine->pic_reg once per function.
5061
5062 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5063
5064         * doc/invoke.texi (Link Options): Document an easier way to pass
5065         options that take arguments to the GNU linker using -Xlinker and -Wl.
5066
5067 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5068
5069         PR target/33785
5070         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5071
5072 2009-02-24  Richard Guenther  <rguenther@suse.de>
5073
5074         PR debug/39285
5075         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5076
5077 2009-02-24  Richard Guenther  <rguenther@suse.de>
5078             Zdenek Dvorak  <ook@ucw.cz>
5079
5080         PR tree-optimization/39233
5081         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5082         from converting them to a generic type.
5083
5084 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5085
5086         PR tree-optimization/39260
5087         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5088         contains a condition with a real type.
5089         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5090
5091 2009-02-23  Jason Merrill  <jason@redhat.com>
5092
5093         PR c++/38880
5094         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5095         narrowing_initializer_constant_valid_p.
5096         (narrowing_initializer_constant_valid_p): Don't return 
5097         null_pointer_node for adding a pointer to itself.
5098
5099 2009-02-23  Jan Hubicka  <jh@suse.cz>
5100
5101         PR c/12245
5102         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5103         resizing.
5104
5105 2009-02-23  Jan Hubicka  <jh@suse.cz>
5106
5107         PR tree-optimization/37709
5108         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5109         * tree.h (block_ultimate_origin): Declare.
5110         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5111         * tree-ssa-live.c (remove_unused_scope_block_p):
5112         Eliminate blocks containig no instructions nor live variables nor
5113         nested blocks.
5114         (dump_scope_block): New function.
5115         (remove_unused_locals): Enable removal of dead blocks by default;
5116         enable dumping at TDF_DETAILS.
5117
5118 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5119
5120         * config/i386/i386.c (classify_argument): Don't allow COImode
5121         and OImode.
5122         (function_arg_advance_32): Don't allow OImode.
5123         (function_arg_32): Likewise.
5124         (function_value_32): Likewise.
5125         (return_in_memory_32): Likewise.
5126         (function_arg_64): Remove OImode comment.
5127
5128 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5129
5130         PR target/39261
5131         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5132         ix86_expand_vector_set for V4DImode in 64bit mode only.
5133         (ix86_expand_vector_init_one_var): Likewise.
5134
5135 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5136
5137         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5138
5139 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5140
5141         PR bootstrap/39257
5142         * loop-iv.c: Revert last change.
5143         * emit-rtl.c: Likewise.
5144
5145 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5146
5147         PR target/39256
5148         * config/i386/i386.c (type_natural_mode): Remove an extra
5149         space in the warning message.
5150         (function_value_32): Handle 32-byte vector modes.
5151         (return_in_memory_32): Likewise.
5152
5153 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5154
5155         * loop-iv.c (truncate_value): New function.
5156         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5157         of lowpart_subreg.
5158         (lowpart_subreg): Move to...
5159         * emit-rtl.c: ...here.
5160
5161 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5162
5163         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5164         accidental and undocumented change at revision 140860.
5165
5166 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5167
5168         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5169         take gimple_seq * arguments.
5170         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5171         types_compatible_p langhook.
5172
5173 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5174             Joseph Myers  <joseph@codesourcery.com>
5175
5176         * config/arm/arm.c (arm_builtin_va_list): New function.
5177         (arm_expand_builtin_va_start): Likewise.
5178         (arm_gimplify_va_arg_expr): Likewise.
5179         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5180         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5181         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5182         (va_list_type): New variable.
5183         (arm_mangle_type): Mangle va_list_type appropriately.
5184
5185 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5186
5187         PR middle-end/39157
5188         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5189         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5190         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5191         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5192         parameter to 1000 for -O1 by default.
5193         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5194         parameter.
5195         * loop-invariant.c: Include params.h.
5196         (move_loop_invariants): Don't call move_single_loop_invariants on
5197         very large loops.
5198
5199 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5200
5201         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5202         offset when calculating bounds for indexing stack_usage_map.  Fixes
5203         a buffer overflow with certain target setups.
5204
5205 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5206
5207         PR target/39240
5208         * calls.c (expand_call): Clear try_tail_call if caller and callee
5209         disagree in promotion of function return value.
5210
5211 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5212
5213         PR target/39175
5214         * c-common.c (c_determine_visibility): If visibility changed and
5215         DECL_RTL has been already set, call make_decl_rtl to update symbol
5216         flags.
5217
5218 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5219
5220         PR c++/39188
5221         * varasm.c (assemble_variable): Don't check DECL_NAME when
5222         globalizing a variable.
5223
5224 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5225
5226         PR c/38483
5227         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5228         expression before any __builtin_trap call.
5229         * c-typeck.c (build_function_call): Convert and check function
5230         arguments before generating a call to a trap.  Evaluate the
5231         function arguments before the trap.
5232
5233 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5234
5235         PR target/39228
5236         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5237         (UNSPEC_FXAM_MEM): New unspec.
5238         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5239         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5240         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5241
5242 2009-02-19  Richard Guenther  <rguenther@suse.de>
5243
5244         PR tree-optimization/39207
5245         PR tree-optimization/39074
5246         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5247         storedanything_tree): New.
5248         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5249         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5250         (build_succ_graph): Add edges from STOREDANYTHING to all
5251         non-direct nodes.
5252         (init_base_vars): Initialize STOREDANYTHING.
5253         (compute_points_to_sets): Free substitution info after
5254         building the succ graph.
5255         (ipa_pta_execute): Likewise.
5256
5257         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5258         field.
5259         (do_ds_constraint): Do not add to special var or non-pointer
5260         field solutions.
5261         (type_could_have_pointers): Split out from ...
5262         (could_have_pointers): ... here.  For arrays use the element type.
5263         (create_variable_info_for): Initialize may_have_pointers.
5264         (new_var_info): Likewise.
5265         (handle_lhs_call): Make the HEAP variable unknown-sized.
5266         (intra_create_variable_infos): Use a type with pointers for
5267         PARM_NOALIAS, make it unknown-sized.
5268
5269 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5270
5271         PR target/39224
5272         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5273
5274 2009-02-18  Jason Merrill  <jason@redhat.com>
5275
5276         PR target/39179
5277         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5278         value if DECL_EXTERNAL.
5279         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5280         * target.h (gcc_target::binds_local_p): Clarify "module".
5281         * tree.h (TREE_PUBLIC): Clarify "module".
5282
5283 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5284
5285         PR target/38891
5286         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5287         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5288
5289 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5290
5291         PR target/39082
5292         * c.opt (Wabi): Support C and ObjC.
5293         (Wpsabi): New.
5294
5295         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5296
5297         * config/i386/i386.c (classify_argument): Warn once about the ABI
5298         change when passing union with long double.
5299
5300         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5301
5302 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5303
5304         PR c/35447
5305         * c-parser.c (c_parser_compound_statement): Always enter and leave
5306         a scope.
5307
5308 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5309
5310         PR target/34587
5311         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5312
5313 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5314
5315         PR tree-optimization/36922
5316         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5317         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5318         Likewise.
5319
5320 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5321
5322         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5323         to 0 for EABI64.
5324
5325 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5326
5327         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5328
5329 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5330
5331         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5332         tree sharing.
5333
5334 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5335             Richard Sandiford  <rdsandiford@googlemail.com>
5336
5337         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
5338         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
5339         (loongson_biadd): ...this.
5340
5341 2009-02-17  Richard Guenther  <rguenther@suse.de>
5342
5343         PR tree-optimization/39202
5344         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
5345         a var make sure to follow existing collapses.
5346
5347 2009-02-17  Richard Guenther  <rguenther@suse.de>
5348
5349         PR middle-end/39214
5350         * langhooks.c (lhd_print_error_function): Check for NULL block.
5351
5352 2009-02-17  Richard Guenther  <rguenther@suse.de>
5353
5354         PR tree-optimization/39204
5355         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
5356         of the PHI arg.
5357
5358 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
5359
5360         * config/soft-fp/double.h: Update from glibc CVS.
5361
5362 2009-02-17  Richard Guenther  <rguenther@suse.de>
5363
5364         PR tree-optimization/39207
5365         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
5366         strict-aliasing warnings for pointers pointing to NULL.
5367
5368 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
5369
5370         PR c/35446
5371         * c-parser.c (c_parser_braced_init): Call pop_init_level when
5372         skipping until next close brace.
5373
5374 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
5375
5376         PR target/37049
5377         * config/i386/i386.c (ix86_expand_push): Set memory alignment
5378         to function argument boundary.
5379
5380 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
5381
5382         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
5383         in the lea_add. Reload eventually constraints it properly.
5384         * config/picochip/constraints.md : Remove the target constraint
5385         "b", since it is not needed anymore.
5386
5387 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
5388
5389         * gthr-dce.h: Uglify function parameter and local variable names.
5390         * gthr-gnat.h: Likewise.
5391         * gthr-mipssde.h: Likewise.
5392         * gthr-nks.h: Likewise.
5393         * gthr-posix95.h: Likewise.
5394         * gthr-posix.h: Likewise.
5395         * gthr-rtems.h: Likewise.
5396         * gthr-single.h: Likewise.
5397         * gthr-solaris.h: Likewise.
5398         * gthr-tpf.h: Likewise.
5399         * gthr-vxworks.h: Likewise.
5400         * gthr-win32.h: Likewise.
5401
5402 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
5403
5404         PR target/39196
5405         * config/i386/i386.md: Restrict the new peephole2 to move
5406         between MMX/SSE registers.
5407
5408 2009-02-15  Richard Guenther  <rguenther@suse.de>
5409
5410         Revert
5411         2009-02-13  Richard Guenther  <rguenther@suse.de>
5412
5413         * configure.ac: Enable LFS.
5414         * configure: Re-generate.
5415         * config.in: Likewise.
5416
5417 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5418
5419         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
5420         spu_srqwbyte, spu_srqwbytebc): Define.
5421         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
5422         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
5423         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
5424         "shrqby_<mode>"): New insn-and-split patterns.
5425         * config/spu/spu.c (expand_builtin_args): Determine and return
5426         number of operands using spu_builtin_description data.
5427         (spu_expand_builtin_1): Use it.
5428
5429 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
5430
5431         PR target/38056
5432         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
5433         TARGET_CONST_GP.
5434
5435 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5436
5437         PR target/39149
5438         * config/i386/i386.c (override_options): Correct warning
5439         messages for -malign-loops, -malign-jumps and -malign-functions.
5440
5441 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5442
5443         PR target/39152
5444         * config/i386/i386.md: Restrict the new peephole2 to move
5445         between the general purpose registers.
5446
5447 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
5448
5449         PR target/39162
5450         * config/i386/i386.c (type_natural_mode): Add a new argument.
5451         Return the original mode and warn ABI change if vector size is 32byte.
5452         (function_arg_advance): Updated.
5453         (function_arg): Likewise.
5454         (ix86_function_value): Likewise.
5455         (ix86_return_in_memory): Likewise.
5456         (ix86_sol10_return_in_memory): Likewise.
5457         (ix86_gimplify_va_arg): Likewise.
5458         (function_arg_32): Don't warn ABX ABI change here.
5459         (function_arg_64): Likewise.
5460
5461 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
5462
5463         * loop-iv.c (implies_p): In the final case, test that operands 0
5464         of the two comparisons match.
5465
5466         * config/bfin/bfin.c (find_prev_insn_start): New function.
5467         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
5468         (find_next_insn_start): Move.
5469
5470 2009-02-13  Richard Guenther  <rguenther@suse.de>
5471
5472         * configure.ac: Enable LFS.
5473         * configure: Re-generate.
5474         * config.in: Likewise.
5475
5476 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
5477
5478         PR c/35444
5479         * c-parser.c (c_parser_parms_list_declarator): Discard pending
5480         sizes on syntax error after some arguments have been parsed.
5481
5482 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5483
5484         * doc/invoke.texi (-fira): Remove.
5485
5486 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5487
5488         * caller-save.c: Replace regclass.c with reginfo.c in comments.
5489         * recog.c: Likewise.
5490         * rtl.h: Likewise.
5491
5492 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
5493
5494         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
5495         (umul_ppmm): Likewise.
5496         (count_leading_zeros): Likewise.
5497         (count_trailing_zeros): Likewise.
5498         (UMUL_TIME): Likewise.
5499
5500 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5501
5502         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
5503         soft-fp/t-softfp to tmake_file.
5504
5505         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
5506         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
5507         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
5508         IA64_BUILTIN_INFQ]: New.
5509         (ia64_init_builtins): Initialize __builtin_infq,
5510         __builtin_fabsq and __builtin_copysignq if not HPUX.
5511         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
5512         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
5513
5514         * config/ia64/lib1funcs.asm (__divtf3): Define only if
5515         SHARED is defined.
5516         (__fixtfti): Likewise.
5517         (__fixunstfti): Likewise.
5518         (__floattitf): Likewise.
5519
5520         * config/ia64/libgcc-glibc.ver: New.
5521         * config/ia64/t-fprules-softfp: Likewise.
5522         * config/ia64/sfp-machine.h: Likewise.
5523
5524         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
5525         (LIBGCC2_TF_CEXT): Likewise.
5526         (TF_SIZE): Likewise.
5527         (TARGET_INIT_LIBFUNCS): Likewise.
5528
5529         * config/ia64/t-glibc (SHLINB_MAPFILES):
5530         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
5531
5532 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
5533
5534         * config/i386/i386.c (construct_container): Rewrite processing
5535         BLKmode with X86_64_SSE_CLASS.
5536
5537 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
5538
5539         PR target/39152
5540         * config/i386/i386.md: Replace simplify_replace_rtx with
5541         replace_rtx in the new peephole2.
5542
5543 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
5544
5545         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
5546         loop unrolling do not happen at -O2.
5547
5548 2009-02-12  Michael Matz  <matz@suse.de>
5549
5550         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
5551
5552 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
5553
5554         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
5555         for -g3.
5556
5557 2009-02-12  Ben Elliston  <bje@au.ibm.com>
5558
5559         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
5560         patterns when updating the back chain.  Missed in the 2009-02-10
5561         change.
5562
5563 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
5564
5565         * doc/extend.texi (Decimal Floating Types): Update identifier of
5566         draft TR and list of missing support.
5567
5568 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
5569
5570         PR middle-end/39154
5571         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
5572         bit to variable length decl's flags, add it also to its
5573         pointer replacement variable.
5574
5575 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
5576             Jakub Jelinek  <jakub@redhat.com>
5577
5578         PR target/39118
5579         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
5580         (memory_blockage): New expander.
5581         (*memory_blockage): New insn pattern.
5582         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
5583         instead of general blockage at the end of function prologue when
5584         frame pointer is used to access red zone area.  Do not emit blockage
5585         when profiling, it is emitted in generic code.
5586         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
5587         function epilogue when frame pointer is used to access red zone area.
5588
5589 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
5590
5591         PR target/38824
5592         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
5593         by arithmetic with memory operands.
5594         * config/i386/predicates.md (commutative_operator): New.
5595
5596 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
5597
5598         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
5599         bulleted lists.
5600
5601 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
5602
5603         * alias.h (record_alias_subset): Declare.
5604         * alias.c (record_alias_subset): Make global.
5605
5606 2009-02-10  Nick Clifton  <nickc@redhat.com>
5607
5608         * tree-parloops.c: Change license to GPLv3.
5609         * ipa-struct-reorg.c: Change license to GPLv3.
5610         * ipa-struct-reorg.h: Change license to GPLv3.
5611
5612 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
5613
5614         PR c/39084
5615         * c-decl.c (start_struct): Return NULL on error.
5616
5617 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
5618
5619         PR middle-end/39124
5620         * cfgloopmanip.c (remove_path): Call remove_bbs after
5621         cancel_loop_tree, not before it.
5622
5623         PR target/39139
5624         * function.h (struct function): Add has_local_explicit_reg_vars bit.
5625         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
5626         VAR_DECLs were seen.
5627         * tree-ssa-live.c (remove_unused_locals): Recompute
5628         cfun->has_local_explicit_reg_vars.
5629         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
5630         copies or clearings if cfun->has_local_explicit_reg_vars.
5631
5632 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
5633
5634         PR target/39118
5635         * config/i386/i386.c (expand_prologue): Emit blockage at the end
5636         of function prologue when frame pointer is used to access
5637         red zone area.
5638
5639 2009-02-10  Richard Guenther  <rguenther@suse.de>
5640
5641         PR middle-end/39127
5642         * gimplify.c (gimple_regimplify_operands): Always look if
5643         we need to create a temporary.
5644
5645 2009-02-10  Richard Guenther  <rguenther@suse.de>
5646
5647         PR tree-optimization/39132
5648         * tree-loop-distribution.c (todo): New global var.
5649         (generate_memset_zero): Trigger TODO_rebuild_alias.
5650         (tree_loop_distribution): Return todo.
5651
5652 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
5653
5654         PR target/39119
5655         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
5656         (x86_64_reg_class_name): Removed.
5657         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
5658         first one isn't X86_64_SSE_CLASS or any other ones aren't
5659         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
5660         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
5661         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
5662         and 3 X86_64_SSEUP_CLASS.
5663         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
5664         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
5665
5666 2009-02-10  Ben Elliston  <bje@au.ibm.com>
5667
5668         * config/rs6000/rs6000.md (allocate_stack): Always use an update
5669         form instruction to update the stack back chain word, even if the
5670         user has disabled the generation of update instructions.
5671         (movdi_<mode>_update_stack): New.
5672         (movsi_update_stack): Likewise.
5673         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
5674         always use an update form instruction to update the stack back
5675         chain word.
5676
5677 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
5678
5679         PR middle-end/38953
5680         * graphite.c (if_region_set_false_region): After moving a region in
5681         the false branch of a condition, remove the empty dummy basic block.
5682         (gloog): Remove wrong fix for PR38953.
5683
5684 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5685
5686         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
5687         generation due to implicit sign extension.
5688
5689 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
5690
5691         PR middle-end/38981
5692         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
5693         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
5694
5695 2009-02-09  Richard Guenther  <rguenther@suse.de>
5696
5697         PR middle-end/35202
5698         * convert.c (convert_to_real): Disable (float)fn((double)x)
5699         to fnf(x) conversion if errno differences may occur and
5700         -fmath-errno is set.
5701
5702 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
5703
5704         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
5705         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5706         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5707
5708 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5709
5710         PR c/35434
5711         * c-common.c (handle_alias_attribute): Disallow attribute for
5712         anything not a FUNCTION_DECL or VAR_DECL.
5713
5714 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
5715
5716         PR c/39035
5717         * real.c (do_compare): Special-case compare of zero against
5718         decimal float value.
5719
5720 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
5721
5722         PR c/36432
5723         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
5724         as indicating flexible array members unless the field itself is
5725         being declarared as the incomplete array.
5726
5727 2009-02-06  Jan Hubicka  <jh@suse.cz>
5728
5729         PR tree-optimization/38844
5730         * ipa-inline.c (try_inline): Stop inlining recursion when edge
5731         is already inlined.
5732
5733 2009-02-06  Richard Guenther  <rguenther@suse.de>
5734
5735         PR middle-end/38977
5736         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
5737         fork because we may expand it as __gcov_fork.
5738
5739 2009-02-06  Nick Clifton  <nickc@redhat.com>
5740
5741         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
5742
5743 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
5744
5745         PR tree-optimization/35659
5746         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
5747         vn_phi_eq): Shortcut if hashcode does not match.
5748         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
5749         NULL operands.
5750         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
5751         and avoid iterative_hash_expr.
5752         (FOR_EACH_VALUE_ID_IN_SET): New.
5753         (value_id_compare): Remove.
5754         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
5755         sort expressions by value id.
5756
5757 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
5758
5759         PR target/38991
5760         * config/sh/predicates.md (general_movsrc_operand): Don't check
5761         the subreg of system registers here.
5762
5763 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
5764
5765         PR c++/39106
5766         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
5767         on the copied decl.
5768
5769 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
5770
5771         PR rtl-optimization/39110
5772         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
5773         addresses, not aligned ones.
5774
5775 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
5776             Richard Guenther  <rguenther@suse.de>
5777
5778         PR tree-optimization/39100
5779         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
5780         comment says and add edges.
5781
5782 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
5783
5784         PR c/35435
5785         * c-common.c (handle_tls_model_attribute): Ignore attribute for
5786         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
5787
5788 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
5789
5790         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
5791         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
5792         register_bb_in_sese, new_sese, free_sese): Moved.
5793         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
5794         outermost_loop_in_scop, build_scop_iteration_domain,
5795         expand_scalar_variables_ssa_name, get_vdef_before_scop,
5796         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
5797         Use loop_in_sese_p instead of loop_in_scop_p.
5798         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
5799         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
5800         (scopdet_basic_block_info): Fix bug in scop detection.
5801         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
5802         eq_loop_to_cloog_loop): Remove.
5803         (nb_loops_around_loop_in_scop, nb_loop
5804         ref_nb_loops): Moved here...
5805         * graphite.h (ref_nb_loops): ... from here.
5806         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
5807         (loop_domain_dim, loop_iteration_vector_dim): Remove.
5808         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
5809         * testsuite/gcc.dg/graphite/scop-19.c: New
5810
5811 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
5812             Hans-Peter Nilsson  <hp@axis.com>
5813
5814         PR rtl-optimization/37889
5815         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
5816         Move offset handling from PLUS to before the switch.  Use new
5817         arguments when considering SYMBOL_REFs too.
5818         (rtx_addr_can_trap_p): Pass dummy offset and size.
5819         (enum may_trap_p_flags): Remove.
5820         (may_trap_p_1): Pass size from MEM_SIZE.
5821
5822         PR rtl-optimization/38921
5823         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
5824         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
5825         * rtlanal.c (may_trap_after_code_motion_p): Delete.
5826         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
5827
5828 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
5829
5830         AVX Programming Reference (January, 2009)
5831         * config/i386/sse.md (*vpclmulqdq): New.
5832
5833 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
5834
5835         PR tree-optimization/38977
5836         PR gcov-profile/38292
5837         * calls.c (special_function_p): Disregard __builtin_ prefix.
5838
5839 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
5840
5841         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
5842         non-indexable addresses even before reload.
5843
5844 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5845
5846         PR c/29129
5847         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
5848         as having variable size.  Do not give an error for unnamed
5849         parameters with [*] declarators.  Give a warning for type names
5850         with [*] declarators and mark them as variable size.
5851         * c-parser.c (c_parser_sizeof_expression): Do not give an error
5852         for sizeof applied to [*] type names.
5853
5854 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5855
5856         PR C++/36607
5857         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
5858
5859 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5860
5861         * gcc.c (process_command): Update copyright notice dates.
5862         * gcov.c (print_version): Likewise.
5863         * gcov-dump.c (print_version): Likewise.
5864         * mips-tfile.c (main): Likewise.
5865         * mips-tdump.c (main): Likewise.
5866
5867 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
5868
5869         PR c/35433
5870         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
5871         for composite type involving a zero-length array type.
5872
5873 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
5874
5875         PR target/35318
5876         * function.c (match_asm_constraints_1): Skip over
5877         initial optional % in the constraint.
5878
5879         PR inline-asm/39059
5880         * c-parser.c (c_parser_postfix_expression): If fixed point is not
5881         supported, don't accept FIXED_CSTs.
5882         * c-decl.c (finish_declspecs): Error if fixed point is not supported
5883         and _Sat is used without _Fract/_Accum.  Set specs->type to
5884         integer_type_node for cts_fract/cts_accum if fixed point is not
5885         supported.
5886
5887 2009-02-02  Catherine Moore  <clm@codesourcery.com>
5888
5889         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
5890
5891 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
5892
5893         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
5894         (ABI_HAS_64BIT_SYMBOLS): Use it.
5895         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
5896
5897 2009-02-02  Paul Brook  <paul@codesourcery.com>
5898
5899         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
5900
5901 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
5902
5903         PR inline-asm/39058
5904         * recog.h (asm_operand_ok): Add constraints argument.
5905         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
5906         recurse on matching constraint.
5907         (check_asm_operands): Pass constraints as 3rd argument to
5908         asm_operand_ok.  Don't look up matching constraint here.
5909         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
5910         to asm_operand_ok.
5911
5912 2009-02-02  Ben Elliston  <bje@au.ibm.com>
5913
5914         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
5915         TARGET_NARROW_VOLATILE_BITFIELD macro names.
5916
5917 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5918
5919         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
5920         information.  Remove some obsolete information.  Reorganize.
5921
5922         * config/pa/fptr.c: Revert license to GPL 2.
5923         * config/pa/milli64.S: Likewise.
5924
5925 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5926
5927         PR target/38904
5928         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
5929         LIBRARY name in, instead of hard-coding it.
5930         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
5931         extra target make frag to tmake_files according to EH model.
5932         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
5933         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
5934         frags that define makefile variable EH_MODEL appropriately.
5935         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
5936         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
5937         to "-sjlj" according to type of EH configured.
5938         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5939         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
5940         to "_sjlj" according to type of EH configured.
5941         (LIBGCC_SONAME):  Concatenate it to shared library base name.
5942         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
5943         (SHLIB_LINK):  Add missing semicolon to if-else construct.
5944         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5945         string value of "pe_dll" command-line option.
5946         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
5947         (SHLIB_SONAME):  Use it when overriding t-cygming default.
5948         (SHLIB_IMPLIB):  Override t-cygming default.
5949         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
5950         string value of "pe_dll" command-line option.
5951
5952 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
5953
5954         PR target/38952
5955         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
5956         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
5957
5958 2009-01-31  Richard Guenther  <rguenther@suse.de>
5959
5960         PR tree-optimization/38937
5961         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
5962         computing the transitive closure.
5963
5964 2009-01-30  Richard Guenther  <rguenther@suse.de>
5965
5966         PR tree-optimization/39041
5967         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
5968         Propagate variable indices only if the types match for this stmt.
5969
5970 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
5971
5972         PR target/39013
5973         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
5974         inline but never defined.
5975
5976 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
5977
5978         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
5979         (*insv_h_di_reg_extimm): New insn.
5980         (*insv_l<mode>_reg_extimm): New insn.
5981
5982 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5983
5984         * config/picochip/picochip.c (flag_conserve_stack): set
5985         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
5986         fconserve-stack. Reduce call-overhead used by inliner.
5987
5988 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
5989
5990         PR/38157
5991         * common.opt (flag_conserve_stack): Initialised to zero.
5992
5993 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
5994
5995         PR/39002
5996         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
5997         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
5998         method.
5999
6000 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6001
6002         * ira-color.c (allocno_reload_assign): Update comments.
6003         * regmove.c (regmove_optimize): Likewise.
6004
6005         * ra.h: Removed.
6006
6007 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6008
6009         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6010         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6011         `MD_UNWIND_SUPPORT'.
6012         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6013
6014 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6015
6016         PR tree-optimization/39007
6017         * tree-loop-distribution.c (generate_builtin): Use
6018         recompute_dominator to compute the immediate dominator of the
6019         basic block just after the loop.
6020
6021 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6022
6023         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6024         (ASM_OUTPUT_DWARF_PCREL): Define.
6025
6026 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6027
6028         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6029         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6030         global.  Modify entries about regmove and IRA.
6031
6032         * ra-conflict.c: Remove the file.
6033
6034         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6035
6036         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6037         (pass_regclass_init): Rename to pass_reginfo_init.
6038
6039         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6040
6041         * toplev.h (flag_ira): Remove.
6042
6043         * caller-save.c (setup_save_areas): Remove flag_ira.
6044
6045         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6046
6047         * global.c: Remove the file.
6048
6049         * opts.c (decode_options): Remove flag_ira.
6050
6051         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6052
6053         * regmove.c: Modify file description.
6054         (find_use_as_address, try_auto_increment): Define them only if
6055         AUTO_INC_DEC is defined.
6056         (replacement_quality, replace_in_call_usage, fixup_match_1,
6057         stable_and_no_regs_but_for_p): Remove.
6058         (reg_set_in_bb): Make it static.
6059         (regmove_optimize): Remove flag_ira and code which worked for
6060         !flag_ira.
6061
6062         * local-alloc.c: Remove the file.
6063
6064         * common.opt (fira): Remove.
6065
6066         * ira.c: Include except.h.
6067         (eliminable_regset): Move from global.c.
6068         (mark_elimination): Ditto.  Remove flag_ira.
6069         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6070         equiv_mem_modified, validate_equiv_mem_from_store,
6071         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6072         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6073         no_equiv, recorded_label_ref): Move from local-alloc.c.
6074         (update_equiv_regs): Ditto.  Make it static.
6075         (print_insn_chain, print_insn_chains): Move it from global.c.
6076         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6077         (build_insn_chain): Ditto.  Make it static.
6078         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6079         Rename to init_live_subregs.
6080         (gate_ira): Remove flag_ira.
6081
6082         * regclass.c: Rename reginfo.c.  Change file description.
6083         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6084         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6085         (init_reg_sets_1): Remove code for evaluation of
6086         reg_class_superclasses and losing_caller_save_reg_set.
6087         (init_regs): Remove init_reg_autoinc.
6088         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6089         ok_for_base_p_nonstrict): Remove.
6090         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6091         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6092         corresponding entries.
6093         (dump_regclass, record_operand_costs, scan_one_insn,
6094         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6095         record_address_regs, auto_inc_dec_reg_p): Remove.
6096         (gt-regclass.h): Rename to gt-reginfo.h.
6097
6098         * rtl.h (dump_global_regs, retry_global_alloc,
6099         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6100
6101         * Makefile.in (RA_H): Remove.
6102         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6103         Rename regclass.o to reginfo.o.
6104         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6105         gt-reginfo.h.
6106         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6107         (GTFILES): Rename regclass.c to reginfo.c.
6108
6109         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6110         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6111
6112         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6113         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6114         Remove flag_ira.
6115         (finish_spills): Ditto.  Remove code for !flag_ira.
6116         
6117 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6118
6119         PR middle-end/35854
6120         * doc/invoke.texi (rtl debug options): Complete rewrite.
6121         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6122         to auto_inc_dec".
6123         * mode-switching.c (pass_mode_switching): Rename pass from
6124         "mode-sw" to "mode_sw".
6125         * except.c (pass_convert_to_eh_ranges): Rename pass from
6126         "eh-ranges" to "eh_ranges".
6127         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6128         to "subreg1".
6129                 
6130         
6131 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6132             Alexander Monakov  <amonakov@ispras.ru>
6133
6134         PR middle-end/38857
6135         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6136         register.
6137         (move_exprs_to_boundary): Change return type and pass through
6138         should_move from move_op.  Relax assert.  Update usage ...
6139         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6140         cant_move.
6141         (move_op_orig_expr_found): Indicate that insn was disconnected from
6142         stream.
6143         (code_motion_process_successors): Do not call after_merge_succs
6144         callback if original expression was not found when traversing any of
6145         the branches.
6146         (code_motion_path_driver): Change return type.  Update prototype.
6147         (move_op): Update comment.  Add a new parameter (should_move).  Update
6148         prototype.  Set *should_move based on indication provided by
6149         move_op_orig_expr_found.
6150
6151 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6152
6153         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6154         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6155         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6156         * config/rs6000/rs6000.c (rs6000_override_options): Default
6157         avoid-indexed-addresses on for Power6, off for everything else.
6158         (avoiding_indexed_address_p): New function.
6159         (rs6000_legitimize_address): Use it.
6160         (rs6000_legitimate_address): Likewise.
6161         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6162
6163 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6164
6165         PR tree-optimization/38997
6166         * tree-loop-distribution.c (generate_memset_zero): Use
6167         POINTER_PLUS_EXPR for a pointer addition.
6168
6169 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6170
6171         * config/s390/s390.md (bswap<mode>2): New pattern added.
6172
6173 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6174
6175         * config/s390/s390.md (*tls_load_31): Added type attribute.
6176
6177 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6178
6179         * config/s390/s390.md: Fix a few comments.
6180
6181 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6182
6183         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6184         (*tm<mode>_full): Fixed z10prop attribute.
6185         (*tst<mode>_extimm): Fixed z10prop attribute.
6186         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6187         (*tstqiCCT_cconly): Fixed z10prop attribute.
6188         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6189         (*movsi_larl): Fixed z10prop attribute.
6190         (*movsi_zarch): Fixed z10prop attribute.
6191         (*movsi_eas): Fixed z10prop attribute.
6192         (*movhi): Fixed z10prop attribute.
6193         (*movqi): Fixed z10prop attribute.
6194         (*movstrictqi): Fixed z10prop attribute.
6195         (*mov<mode>): Fixed z10prop attribute.
6196         (*movcc): Fixed z10prop attribute.
6197         (*sethighpartdi_64): Fixed z10prop attribute.
6198         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6199         (*negdi2_sign_cc): Fixed z10prop attribute.
6200         (*negdi2_sign): Fixed z10prop attribute.
6201         (*absdi2_sign_cc): Fixed z10prop attribute.
6202         (*absdi2_sign): Fixed z10prop attribute.
6203         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6204         (*negabsdi2_sign): Fixed z10prop attribute.
6205         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6206         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6207         (doloop_si64): Fixed z10prop attribute.
6208         (doloop_si31): Fixed z10prop attribute.
6209         (doloop_long): Fixed z10prop attribute.
6210         (indirect_jump): Fixed z10prop attribute.
6211         (nop): Fixed z10prop attribute.
6212         (main_base_64): Fixed z10prop attribute.
6213         (reload_base_64): Fixed z10prop attribute.
6214
6215 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6216
6217         PR rtl-optimization/38740
6218         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6219         if !optimize.
6220         * config/mips/mips.c (mips_reorg): Likewise.
6221
6222 2009-01-28  Richard Guenther  <rguenther@suse.de>
6223
6224         PR tree-optimization/38926
6225         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6226         with the correct value id to a value.
6227         (do_regular_insertion): Use the value number of edoubleprime
6228         for the value number of the expr.
6229
6230         Revert
6231         2008-08-21  Richard Guenther  <rguenther@suse.de>
6232
6233         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6234         a PHI ask VN if it is already available.
6235         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6236         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6237
6238 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6239
6240         PR middle-end/38934
6241         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6242         set to varying whenever max has TREE_OVERFLOW set, similarly
6243         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6244
6245 2009-01-28  Richard Guenther  <rguenther@suse.de>
6246
6247         PR middle-end/38908
6248         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6249         uninitialized aggregate uses in call arguments.
6250
6251 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6252
6253         PR tree-optimization/38984
6254         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6255         the nothing_id variable if -fno-delete-null-pointer-checks.
6256
6257 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6258
6259         PR target/38988
6260         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6261         (set_got_offset_rex64): Ditto.
6262
6263 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6264
6265         PR target/38941
6266         * doc/extend.texi: Improve local variable with asm reg.
6267
6268 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6269
6270         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6271         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6272         was not supplied then set warn_packed_bitfield_compat to the
6273         default value of 1.
6274         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6275         against 1.
6276
6277 2009-01-27  Richard Guenther  <rguenther@suse.de>
6278
6279         PR tree-optimization/38503
6280         * cfgexpand.c (expand_gimple_basic_block): Ignore
6281         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6282         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6283         variables that cannot have TBAA applied.
6284         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6285         statements.
6286
6287 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6288
6289         PR middle-end/38969
6290         * calls.c (initialize_argument_information): Do not wrap complex
6291         arguments in SAVE_EXPR.
6292
6293 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6294
6295         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6296         (INSTALL_LIBGCC): Revert typo commit.
6297
6298 2009-01-26  Richard Guenther  <rguenther@suse.de>
6299
6300         PR tree-optimization/38745
6301         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6302         from special handling.
6303
6304 2009-01-26  Richard Guenther  <rguenther@suse.de>
6305
6306         PR tree-optimization/38745
6307         * tree-ssa.c (execute_update_addresses_taken): Do not include
6308         variables that cannot possibly be a register in not_reg_needs.
6309         Do not clear TREE_ADDRESSABLE on vars that may not become
6310         registers.
6311         * tree-ssa.c (update_alias_info_1): Include those in the set
6312         of addressable vars.
6313
6314 2009-01-26  Richard Guenther  <rguenther@suse.de>
6315
6316         PR middle-end/38851
6317         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6318         * tree-ssa-dse.c: Include langhooks.h
6319         (execute_simple_dse): Remove stores with zero size.
6320
6321 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6322
6323         PR c/38957
6324         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6325         as PLUS_EXPR.
6326
6327 2009-01-24  Julian Brown  <julian@codesourcery.com>
6328
6329         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6330         config/arm/linux-atomic.c.
6331         * config/arm/linux-atomic.c: New.
6332
6333 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6334
6335         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
6336         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
6337         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
6338
6339 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
6340
6341         PR c/38938
6342         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
6343         properly.
6344
6345 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
6346
6347         PR tree-optimization/38953
6348         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
6349         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
6350         (gloog): Split the exit of the scop when the scop exit is a loop exit.
6351         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
6352         changed the CFG.
6353
6354 2009-01-24  Paul Brook  <paul@codesourcery.com>
6355
6356         * config/arm/neon.md (neon_type): Move to arm.md.
6357         (neon_mov<VSTRUCT>): Add neon_type attribute.
6358         * config/arm/arm.md (neon_type): Move to here.
6359         (conds): Add "unconditioal" and use as default for NEON insns.
6360
6361 2009-01-24  Ben Elliston  <bje@au.ibm.com>
6362
6363         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
6364         void *' warning from -Wc++-compat.
6365         * Makefile.in (dominance.o-warn): Remove.
6366
6367 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
6368
6369         PR tree-optimization/38932
6370         * fold-const.c (fold_unary_ignore_overflow): New.
6371         * tree.h (fold_unary_ignore_overflow): Declare.
6372         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
6373         * tree-ssa-sccvn.c (visit_reference_op_load,
6374         simplify_unary_expression): Likewise.
6375
6376 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
6377
6378         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
6379         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
6380         regardless of their type.
6381         * c-common.c (handle_packed_attribute): Don't ignore packed on
6382         bitfields.
6383         * c.opt (Wpacked-bitfield-compat): New warning option.
6384         * stor-layout.c (place_field): Warn if offset of a field changed.
6385         * doc/extend.texi (packed): Mention the ABI change.
6386         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
6387         (Warning Options): Add it to the list.
6388
6389 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
6390
6391         * c-opts.c (c_common_post_options): Fix a typo in comments.
6392
6393 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
6394
6395         PR middle-end/38615
6396         * gimplify.c (gimplify_init_constructor): Fix promotion of const
6397         variables to static.
6398         * doc/invoke.texi (-fmerge-all-constants): Update description.
6399
6400 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
6401
6402         PR target/38931
6403         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
6404         (*movdi_1_rex64): Use type "mmx" for alternative 5.
6405
6406 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
6407
6408         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
6409         a word boundary.
6410         (LOCAL_ALIGNMENT): Similarly.
6411
6412 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6413             Joseph Myers  <joseph@codesourcery.com>
6414
6415         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
6416         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
6417         * config/arm/arm-tune.md: Regenerate.
6418         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
6419         -march=iwmmxt2.
6420
6421 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
6422
6423         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
6424         version number to five.
6425
6426 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
6427
6428         PR c++/38930
6429         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
6430         * c-common.c (set_underlying_type): Likewise.
6431         (is_typedef_decl ): Likewise
6432         * tree.h: Likewise
6433         (set_underlying_type): Likewise.
6434         (is_typedef_type): Likewise.
6435
6436 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
6437
6438         PR middle-end/38587
6439         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
6440         crossing setjmps.
6441
6442 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
6443
6444         PR bootstrap/37660
6445         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
6446         (LIBGCC_SPEC):  Don't define.
6447         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
6448
6449 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
6450
6451         PR rtl-optimization/38879
6452         * alias.c (base_alias_check): Unaligned access via AND address can
6453         alias all surrounding object types except those with sizes equal
6454         or wider than the size of unaligned access.
6455
6456 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
6457
6458         PR c++/26693
6459         * c-decl.c (clone_underlying_type): Move this ...
6460         * c-common.c (set_underlying_type): ... here.
6461         Also, make sure the function properly sets TYPE_STUB_DECL() on
6462         the newly created typedef variant type.
6463         (is_typedef_decl ): New entry point.
6464         * tree.h: Added a new member member_types_needing_access_check to
6465         struct tree_decl_non_common.
6466         (set_underlying_type): New entry point.
6467         (is_typedef_type): Likewise.
6468
6469 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
6470
6471         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
6472         Check whether two instructions have memory references that
6473         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
6474         are helper functions for traversing.
6475         * alias.h (insn_alias_sets_confilict_p): New prototypes.
6476         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
6477         not to draw dependency edge for instructions with non-conflicting
6478         alias sets.
6479
6480 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
6481
6482         PR other/38758
6483         * longlong.h: Update copyright years.  Use soft-fp license notice.
6484         Sync __clz_tab declaration with glibc.
6485
6486 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
6487
6488         PR target/30687
6489         * doc/extend.texi (syscall_linkage): New.
6490         (version_id): Modify.
6491
6492 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6493             Richard Guenther  <rguenther@suse.de>
6494
6495         PR tree-optimization/38747
6496         PR tree-optimization/38748
6497         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
6498         conversion if the base address is an indirect reference and the
6499         aliasing sets could cause issues.
6500
6501 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6502
6503         * common.opt (fgraphite, fgraphite-identity): Add comment for 
6504         explaining why these options are not documented.
6505
6506 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
6507
6508         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
6509         gimple_call_lhs is NULL.
6510
6511 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
6512
6513         PR target/38868
6514         * emit-rtl.c (adjust_address_1): Make sure memref is never
6515         overwritten.
6516
6517 2009-01-20  Ben Elliston  <bje@au.ibm.com>
6518
6519         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6520         const qualifier from arg parameter. Remove unnecessary cast to char *.
6521         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
6522         const qualifier from arg 2.
6523
6524 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
6525
6526         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
6527
6528 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
6529
6530         PR c/38869
6531         * rtl.h (reinit_regs): New prototype.
6532         * regclass.c: Include ira.h.
6533         (reinit_regs): New.
6534         * Makefile.in (regclass.o): Add ira.h.
6535         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
6536
6537 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
6538
6539         PR target/38736
6540         * c-common.c (handle_aligned_attribute): Use
6541         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
6542         default alignment value.
6543
6544         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
6545
6546         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
6547         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
6548
6549         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
6550         __BIGGEST_ALIGNMENT__.
6551
6552         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
6553
6554 2009-01-18  Richard Guenther  <rguenther@suse.de>
6555
6556         PR tree-optimization/38819
6557         * tree-flow.h (operation_could_trap_helper_p): Declare.
6558         * tree-eh.c (operation_could_trap_helper_p): Export.
6559         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
6560         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
6561         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
6562         are about to insert a possibly trapping instruction and fail
6563         in this case.
6564
6565 2009-01-18  Andreas Schwab  <schwab@suse.de>
6566
6567         * doc/install.texi (Configuration): Remove obsolete paragraph
6568         about use of --with-gnu-ld with --with-gnu-as.
6569
6570 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
6571
6572         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
6573         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
6574         Follow spelling conventions.
6575
6576 2009-01-18  Ben Elliston  <bje@au.ibm.com>
6577
6578         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
6579         C++ warning about implicit conversion from void * to struct
6580         bitmap_head_def *.
6581         (bitmap_obstack_free): Likewise for bitmap_element *.
6582         * Makefile.in (bitmap.o-warn): Remove.
6583
6584 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
6585
6586         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
6587
6588 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
6589             Tobias Grosser  <tobi.grosser@amd.com>
6590
6591         * graphite.c (graphite_trans_scop_block): Do not block single
6592         nested loops.
6593
6594 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
6595
6596         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
6597         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
6598         test with assertion.
6599
6600 2009-01-16  Richard Guenther  <rguenther@suse.de>
6601
6602         PR tree-optimization/38835
6603         PR middle-end/36227
6604         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
6605         and INT + PTR -> (INT)(PTR p+ INT) folding.
6606         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
6607
6608 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
6609
6610         PR target/38554
6611         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
6612         the subreg from a lowpart subreg if it is also casting the value.
6613
6614 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6615             Tobias Grosser  <tobi.grosser@amd.com>
6616
6617         * graphite.c (compare_prefix_loops): New.
6618         (build_scop_canonical_schedules): Rewritten.
6619         (graphite_transform_loops): Move build_scop_canonical_schedules
6620         after build_scop_iteration_domain.
6621
6622 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
6623             Tobias Grosser  <tobi.grosser@amd.com>
6624
6625         * graphite.c (add_conditions_to_domain): Add the loops to 
6626         the dimension of the iteration domain.  Do copy the domain
6627         only when it exists.
6628         (build_scop_conditions_1): Do not call add_conditions_to_domain.
6629         (add_conditions_to_constraints): New.
6630         (can_generate_code_stmt, can_generate_code): Removed.
6631         (gloog): Do not call can_generate_code.
6632         (graphite_transform_loops): Call add_conditions_to_constraints
6633         after building the iteration domain.
6634
6635 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
6636
6637         PR tree-optimization/38789
6638         * tree-ssa-threadedge.c
6639         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6640         __builtin_constant_p.
6641
6642 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
6643
6644         * dce.c (delete_unmarked_insns): Reversed the order that insns are
6645         examined before deleting them.
6646         
6647 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
6648
6649         * function.c (aggregate_value_p): Correctly extract the function
6650         type from CALL_EXPR_FN lookup.
6651
6652 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6653
6654         * config/picochip/picochip.c (picochip_override_options): Revert
6655         CFI asm flag disable commited previously.
6656
6657 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
6658             Tobias Grosser  <tobi.grosser@amd.com>
6659             Jan Sjodin  <jan.sjodin@amd.com>
6660
6661         * graphite.c (scan_tree_for_params): On substractions negate
6662         all the coefficients of the term.
6663         (clast_to_gcc_expression_red): New.  Handle reduction expressions
6664         of more than two operands.
6665         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
6666         (get_vdef_before_scop): Handle also the case of default definitions.
6667
6668 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
6669
6670         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
6671         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
6672         Also use them when walking CALL_INSN_FUNCTION_USAGE.
6673
6674 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
6675             Joey Ye  <joey.ye@intel.com>
6676
6677         PR middle-end/37843
6678         * cfgexpand.c (expand_stack_alignment): Don't update stack
6679         boundary nor check incoming stack boundary here.
6680         (gimple_expand_cfg): Update stack boundary and check incoming
6681         stack boundary here.
6682
6683 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
6684
6685         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
6686         
6687 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
6688
6689         PR rtl-optimization/38245
6690         * calls.c (expand_call): Add stack arguments to
6691         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6692         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
6693         in regs and partially in memory or BLKmode arguments.
6694         (emit_library_call_value_1): Add stack arguments to
6695         CALL_INSN_FUNCTION_USAGE even for pure calls (when
6696         ACCUMULATE_OUTGOING_ARGS).
6697         * dce.c: Include tm_p.h.
6698         (find_call_stack_args): New function.
6699         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
6700         argument.
6701         (mark_insn): Call find_call_stack_args for CALL_Ps.
6702         (prescan_insns_for_dce): Walk insns backwards in bb rather than
6703         forwards.  Allocate and free arg_stores bitmap if needed, pass it
6704         down to deletable_insn_p, don't mark stores set in arg_stores
6705         bitmap, clear the bitmap at the beginning of each bb.
6706         * Makefile.in (dce.o): Depend on $(TM_P_H).
6707
6708 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
6709
6710         PR target/22599
6711         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
6712         to make sure the insn is a conditional test (bug 22599).  Reformat a
6713         few long lines.
6714
6715 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
6716
6717         PR middle-end/38431
6718         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
6719         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
6720         (gloog): Do not call cleanup_tree_cfg.
6721         (graphite_transform_loops): Call cleanup_tree_cfg after all 
6722         scops have been code generated.
6723
6724 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
6725         * doc/gty.texi (Invoking the garbage collector): Added new node
6726         and section documenting ggc_collect.
6727
6728 2009-01-14  Richard Guenther  <rguenther@suse.de>
6729
6730         PR tree-optimization/38826
6731         PR middle-end/38477
6732         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
6733         initialization notes only if we actually emitted a warning.
6734         (intra_create_variable_infos): Add constraints for a result decl
6735         that is passed by hidden reference.
6736         (build_pred_graph): Mark all related variables non-direct on
6737         address-taking.
6738
6739 2009-01-14  Nick Clifton  <nickc@redhat.com>
6740
6741         * ira-conflicts.c: Include addresses.h for the definition of
6742         base_reg_class.
6743         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
6744         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
6745
6746 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
6747
6748         PR target/38811
6749         * Makefile.in (ira-lives.o): Add except.h.
6750
6751         * ira-lives.c: Include except.h.
6752         (process_bb_node_lives): Process can_throw_internal.
6753
6754 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
6755
6756         PR rtl-optimization/38774
6757         * combine.c (simplify_set): When undoing cc_use change, don't do
6758         PUT_CODE on the newly created comparison, but instead put back the
6759         old comparison.
6760
6761 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
6762
6763         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
6764         values.  Remove duplicate arm8 entry.
6765
6766 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6767
6768         PR tree-optimization/38786
6769         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
6770         the SSA_NAME case of expand_scalar_variables_expr.
6771         Set the type of an expression to the type of its assign statement.
6772         (expand_scalar_variables_expr): Also gather the scalar computation
6773         used to index the memory access.  Do not pass loop_p.
6774         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
6775         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
6776         the gimple_stmt_iterator where it inserts new code.
6777         Do not pass loop_p.
6778         (copy_bb_and_scalar_dependences): Do not pass loop_p.
6779         (translate_clast): Update call to copy_bb_and_scalar_dependences.
6780
6781 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
6782
6783         * graphite.h (debug_value): Removed.
6784         * graphite.c (debug_value): Removed.
6785
6786 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6787
6788         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
6789         ldrd/strd with two 32-bit instructions.
6790
6791 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
6792
6793         * config/arm/arm.c (struct processors): Pass for speed down into
6794         cost helper functions.
6795         (const_ok_for_op): Handle COMPARE and inequality nodes.
6796         (arm_rtx_costs_1): Rewrite.
6797         (arm_size_rtx_costs): Update prototype.
6798         (arm_rtx_costs): Pass speed down to helper functions.
6799         (arm_slowmul_rtx_costs): Rework cost calculations.
6800         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
6801         (arm_9e_rtx_costs): Likewise.
6802
6803 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
6804
6805         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
6806         relocations of local symbols wider than UNITS_PER_WORD are not valid.
6807         (alpha_legitimize_address): Do not split local symbols wider than
6808         UNITS_PER_WORD into HIGH/LO_SUM parts.
6809
6810 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
6811
6812         PR bootstrap/38580
6813         * gcc.c (process_command): Replace call to execvp with calls
6814         to pex_one and exit.
6815
6816 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
6817
6818         PR target/29141
6819         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
6820         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
6821         variant for devices with 3-byte PC.
6822         (__tablejump_elpm__): New.
6823
6824 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6825
6826         PR c/32041
6827         * c-parser.c (c_parser_postfix_expression): Allow `->' in
6828         offsetof member-designator, handle it as `[0].'.
6829
6830 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6831
6832         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
6833         function when not using named sections on targets with named sections
6834         if branch distance is less than 262132.
6835
6836 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
6837
6838         * combine.c (combine_instructions):  Recompute
6839         optimize_this_for_speed_p  for each BB in the main combine loop.
6840
6841 2009-01-12  Tomas Bily  <tbily@suse.cz>
6842
6843         PR middlend/38385
6844         * tree-loop-distribution.c (prop_phis): New function.
6845         (generate_builtin): Call prop_phis.
6846         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
6847
6848 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
6849
6850         PR tree-optimization/38807
6851         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
6852         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
6853
6854 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
6855
6856         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
6857         subreg of op0 to the original op0.
6858
6859 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
6860
6861         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
6862         
6863 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
6864
6865         PR debug/7055
6866         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
6867         starting with digits.
6868
6869 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
6870
6871         PR target/38695
6872         * config/arm/arm.c (arm_is_long_call_p): Don't call
6873         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
6874
6875 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
6876
6877         * regrename.c (regrename_optimize): Fix dumping.
6878         (find_oldest_value_reg): Preserve REG_POINTER.
6879         (copy_hardreg_forward_1): Likewise.
6880
6881 2009-01-09  Diego Novillo  <dnovillo@google.com>
6882
6883         * gimple.h (struct gimple_statement_base) <uid>: Document
6884         the restrictions on its use.
6885         (gimple_uid): Tidy.
6886         (gimple_set_uid): Tidy.
6887
6888 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6889
6890         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
6891         zero guard even if align_bytes != 0 and count is smaller than
6892         size_needed.
6893
6894 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
6895
6896         PR rtl-optimization/38495
6897         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
6898         (add_range_and_copies_from_move_list): Print all added ranges.
6899         Add ranges to memory optimized destination.
6900
6901 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6902
6903         PR target/38686
6904         PR target/38708
6905         * config/i386/i386.c (override_options): Reject
6906         -mstringop-strategy=rep_8byte with -m32.
6907         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
6908         to 1.  Do count comparison against epilogue_size_needed at compile
6909         time even when count_exp was constant forced into register.  For
6910         size_needed don't jump to epilogue, instead just avoid aligning
6911         and invoke the body algorithm.  If need_zero_guard, add zero guard
6912         even if count is non-zero, but smaller than size_needed + number of
6913         bytes that could be stored for alignment.
6914         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
6915         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
6916         but smaller than size_needed + number of bytes that could be stored
6917         for alignment.  Compare size_needed with epilogue_size_needed instead
6918         of desired_align - align, don't adjust size_needed, pass
6919         epilogue_size_needed to the epilogue expanders.
6920
6921         PR c/35742
6922         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
6923
6924 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6925
6926         * pa.c (last_address): Change to unsigned.
6927         (update_total_code_bytes): Change argument to unsigned.  Don't
6928         check if insn addresses are set.
6929         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
6930         addresses are not set.
6931         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
6932
6933 2009-01-09  Nick Clifton  <nickc@redhat.com>
6934
6935         * config/sh/symbian.c: Replace uses of DECL_INLINE with
6936         DECL_DECLARED_INLINE_P.
6937
6938 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
6939
6940         PR middle-end/38347
6941         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
6942         GET_MODE (op0) in operand_subword_force calls.
6943
6944         PR middle-end/38771
6945         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
6946         fold_convert arg0 operands to TREE_TYPE (op0) first.
6947
6948 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
6949
6950         * params.def (ira-max-conflict-table-size): Decrease default value
6951         to 1000.
6952
6953 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
6954
6955         PR tree-optimization/37031
6956         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
6957         on parameter_set.
6958         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
6959         allocate it using gc instead of heap, use VEC_quick_push instead of
6960         VEC_safe_push.
6961         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
6962         instead of heap, use VEC_quick_push instead of VEC_safe_push.
6963         * tree-data-ref.h (struct access_matrix): Change matrix to gc
6964         allocated vector from heap allocated.
6965         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
6966         * tree-loop-linear.c (linear_transform_loops): Allocate nest
6967         vector only after perfect_loop_nest_depth call.
6968
6969 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
6970             Jan Sjodin  <jan.sjodin@amd.com>
6971
6972         PR tree-optimization/38559
6973         * graphite.c (debug_value, copy_constraint,
6974         swap_constraint_variables, scale_constraint_variable, ): New.
6975         (get_lower_bound, get_upper_bound): Removed.
6976         (graphite_trans_bb_strip_mine): Clean up this code that works
6977         only for constant number of iterations.  Fully copy upper and
6978         lower bound constraints, not only the constant part of them.
6979         * graphite.h (debug_value): Declared.
6980
6981 2009-01-08  Ira Rosen  <irar@il.ibm.com>
6982
6983         PR tree-optimization/37194
6984         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
6985         Don't add the cost of cost model guard in prologue to scalar 
6986         outside cost in case of known number of iterations.
6987
6988 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
6989             Alan Modra  <amodra@bigpond.net.au>
6990
6991         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
6992         non-word-aligned REG+CONST addressing.
6993
6994 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
6995
6996         PR target/38706
6997         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
6998         free_after_compilation when outputting a thunk.
6999         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
7000         Do not call free_after_compilation here.
7001
7002 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7003
7004         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7005         (ix86_valid_target_attribute_inner_p): Ditto.
7006
7007 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7008
7009         PR tree-optimization/38492
7010         PR tree-optimization/38498
7011         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7012         * tree-chrec.h (scev_is_linear_expression): Declared.
7013         * graphite.c (graphite_cannot_represent_loop_niter): New.
7014         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7015         (graphite_loop_normal_form): Use gcc_assert.
7016         (scan_tree_for_params): Use CASE_CONVERT.
7017         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7018         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7019         Use gcc_assert.  Discard scops that contain unhandled cases.
7020         (build_scop_conditions): Return a boolean status for unhandled cases.
7021         (strip_mine_profitable_p): Print the loop number, not its depth.
7022         (is_interchange_valid): Pass the depth of the loop nest, don't
7023         recompute it wrongly.
7024         (graphite_trans_bb_block): Same.
7025         (graphite_trans_bb_block): Print tentative of loop blocking.
7026         (graphite_trans_scop_block): Do not print that the loop has been
7027         blocked.
7028         (graphite_transform_loops): Do not handle scops that contain condition
7029         scalar phi nodes.
7030
7031 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7032
7033         AVX Programming Reference (December, 2008)
7034         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7035         (_mm256_stream_pd): Likewise.
7036         (_mm256_stream_ps): Likewise.
7037
7038         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7039         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7040         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7041         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7042         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7043         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7044         (ix86_expand_special_args_builtin): Likewise.
7045
7046         * config/i386/sse.md (AVXMODEDI): New.
7047         (avx_movnt<mode>): Likewise.
7048         (avx_movnt<mode>): Likewise.
7049         (<sse>_movnt<mode>): Remove AVX support.
7050         (sse2_movntv2di): Likewise.
7051
7052 2009-01-07  Richard Guenther  <rguenther@suse.de>
7053
7054         PR middle-end/38751
7055         * fold-const.c (extract_muldiv): Remove obsolete comment.
7056         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7057         to PLUS_EXPR canonicalization for the canonicalization.
7058
7059 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7060
7061         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7062         hosted cross-compilers generating less efficient code.
7063
7064 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7065
7066         * function.h (rtl_data): Add a dbr_scheduled_p field.
7067         * reorg.c (dbr_schedule): Set it.
7068         (gate_handle_delay_slots): Check it.
7069         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7070         (mips_reorg): Check flag_delayed_branch instead of
7071         mips_base_delayed_branch.
7072         (mips_override_options): Don't set mips_base_delayed_branch
7073         or flag_delayed_branch.
7074
7075 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7076
7077         PR rtl-optimization/38426.
7078         * ira.c (ira): Set current_function_is_leaf earlier.
7079
7080 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7081
7082         PR rtl-optimization/38722
7083         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7084         too early, only set a flag and modify after last possible
7085         undo_all point.
7086
7087 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7088
7089         PR c/34252
7090         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7091         * real.c (decimal_single_format): Correct values of emin and emax.
7092         (decimal_double_format): Ditto.
7093         (decimal_quad_format): Ditto.
7094         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7095         computation of DECnn_MIN and DECnn_MAX for corrected values of
7096         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7097         __DECnn_MIN__, and adjust its computation for the corrected value
7098         of emin.
7099
7100 2009-01-06  Jan Hubicka  <jh@suse.cz>
7101
7102         PR target/38744
7103         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7104
7105 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7106
7107         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7108         Add Robert Clark to the list of testers.
7109
7110 2009-01-06  Jan Hubicka  <jh@suse.cz>
7111             Kai Tietz  <kai.tietz@onevision.com>
7112
7113         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7114         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7115
7116 2009-01-06  Jan Hubicka  <jh@suse.cz>
7117             Kai Tietz  <kai.tietz@onevision.com>
7118
7119         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7120         for w64 ABI.
7121         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7122         (ix86_nsaved_regs): Count only general purpose regs.
7123         (ix86_nsaved_sseregs): New.
7124         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7125         to 16 for w64; compute padding and size of sse reg save area.
7126         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7127         general purpose regs.
7128         (ix86_emit_save_sse_regs_using_mov): New.
7129         (ix86_expand_prologue): Save SSE regs if needed.
7130         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7131         (ix86_emit_restore_sse_regs_using_mov): New.
7132         (ix86_expand_epilogue): Save SSE regs if needed.
7133
7134 2009-01-06  Jan Hubicka  <jh@suse.cz>
7135             Kai Tietz  <kai.tietz@onevision.com>
7136
7137         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7138         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7139         functions when accumulate outgoing args is off.
7140
7141 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7142
7143         PR bootstrap/38742
7144         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7145         before using pseudos_have_intersected_live_ranges_p.
7146
7147         * ira-int.h (ira_assert): Always define.
7148
7149 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7150
7151         AVX Programming Reference (December, 2008)
7152         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7153         (_mm256_permute2_pd): Likewise.
7154         (_mm_permute2_ps): Likewise.
7155         (_mm256_permute2_ps): Likewise.
7156         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7157         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7158
7159         * config/i386/i386.c (ix86_builtins): Remove
7160         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7161         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7162         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7163         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7164         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7165         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7166         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7167         __builtin_ia32_vpermil2ps256.
7168         (ix86_init_mmx_sse_builtins): Updated.
7169         (ix86_expand_args_builtin): Likewise.
7170
7171 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7172
7173         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7174         long absolute calls when generating PA 2.0 code.
7175
7176 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7177
7178         PR rtl-optimization/38583
7179         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7180
7181         * params.def (ira-max-conflict-table-size): New.
7182
7183         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7184         
7185         * ira.h (ira_conflicts_p): New external definition.
7186         
7187         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7188         table.  Report this.  Return result of building.
7189         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7190         building conflict table.
7191
7192         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7193         (ira_color): Use ira_conflicts_p.
7194         
7195         * global.c: Include ira.h.
7196         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7197         ira_conflicts_p.
7198
7199         * Makefile.in (global.o): Add ira.h.
7200         
7201         * ira-build.c (mark_all_loops_for_removal,
7202         propagate_some_info_from_allocno): New.
7203         (remove_unnecessary_allocnos): Call
7204         propagate_some_info_from_allocno.
7205         (remove_low_level_allocnos): New.
7206         (remove_unnecessary_regions): Add parameter.  Call
7207         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7208         parameter to remove_unnecessary_regions.
7209         (ira_build): Remove all regions but root if the conflict table was
7210         not built.  Update conflict hard regs for allocnos crossing calls.
7211
7212         * ira.c (ira_conflicts_p): New global.
7213         (ira): Define and use ira_conflicts_p.
7214
7215         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7216         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7217         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7218         
7219 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7220
7221         * gengtype-lex.l (YY_NO_INPUT): Define.
7222
7223 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7224
7225         PR c/34911
7226         * c-common.c (handle_vector_size_attribute): Also reject
7227         BOOLEAN_TYPE types.
7228
7229 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7230
7231         PR tree-optimization/38492
7232         * graphite.c (rename_map_elt, debug_rename_elt,
7233         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7234         rename_map_elt_info, eq_rename_map_elts,
7235         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7236         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7237         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7238         (sese_build_livein_liveouts): New.
7239         (new_sese, free_sese): New.
7240         (new_scop): Call new_sese.
7241         (free_scop): Call free_sese.
7242         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7243         (register_old_new_names): Renamed register_old_and_new_names.
7244         (register_scop_liveout_renames, add_loop_exit_phis,
7245         insert_loop_close_phis, struct igp,
7246         default_liveout_before_guard, add_guard_exit_phis,
7247         insert_guard_phis, copy_renames): New.
7248         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7249         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7250         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7251         (scop_adjust_phis_for_liveouts): New.
7252         (gloog): Call scop_adjust_phis_for_liveouts.
7253
7254         * graphite.h (struct sese): Documented.  Added fields liveout,
7255         num_ver and livein.
7256         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7257         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7258         (struct scop): Added field liveout_renames.
7259         (SCOP_LIVEOUT_RENAMES): New.
7260
7261 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7262
7263         PR tree-optimization/38510
7264         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7265         (translate_clast): Call recompute_all_dominators before
7266         graphite_verify.
7267         (gloog): Call recompute_all_dominators before graphite_verify.
7268
7269 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7270             Jan Sjodin  <jan.sjodin@amd.com>
7271
7272         PR tree-optimization/38500
7273         * graphite.c (create_sese_edges): Call fix_loop_structure after
7274         splitting blocks.
7275
7276 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7277
7278         * config.gcc: Add m32r*-*-rtems*.
7279         * config/m32r/rtems.h: New file.
7280
7281 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7282
7283         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7284         (.po.pox): Likewise.
7285         (po/gcc.pot): Likewise.
7286
7287 2009-01-04  David S. Miller  <davem@davemloft.net>
7288
7289         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7290         (STARTING_FRAME_OFFSET): Always set to zero.
7291
7292 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7293
7294         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7295         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7296         fixed-point types, and vectors of the same.
7297
7298 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7299
7300         * config/mips/sync.md (*mb_barrier): Rename to...
7301         (*memory_barrier): ...this.
7302
7303 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7304
7305         * doc/extend.texi (Function Attributes): Move @cindex after @item
7306         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7307         and put in alphabetical order. Fix 'target' name and put in order.
7308         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7309         typos.
7310
7311 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7312
7313         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7314         (memory_barrier): Expand as unspec instead of unspec_volatile.
7315         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7316         (*memory_barrier): Define as unspec instead of unspec_volatile.
7317         Use (match_dup 0) as input operand.
7318
7319         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7320         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7321         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7322         scratch register.  Remove operand 1.
7323         (*stbar): Define as unspec instead of unspec_volatile.
7324         Use (match_dup 0) as input operand, remove (const_int 8).
7325         (*membar): Define as unspec instead of unspec_volatile.
7326         Use (match_dup 0) as input operand, remove input operand 2.
7327
7328         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7329         (memory_barrier): Expand as unspec instead of unspec_volatile.
7330         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7331         (*memory_barrier): Define as unspec instead of unspec_volatile.
7332         Use (match_dup 0) as input operand.
7333
7334         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7335         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7336         Set volatile flag on operand 0.
7337         (*memory_barrier): New insn pattern.
7338
7339         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
7340         insn operands.
7341         (*memory_barrier): Use (match_dup 0) as input operand.
7342
7343         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
7344         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7345         Set volatile flag on operand 0.
7346         (*mb_internal): New insn pattern.
7347
7348         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
7349
7350 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7351
7352         PR middle-end/38586
7353         * function.c (struct temp_slot): Move to the section of the file
7354         that deals with temp slots.  Remove field 'address'.
7355         (temp_slot_address_table): New hash table of address -> temp slot.
7356         (struct temp_slot_address_entry): New struct, items for the table.
7357         (temp_slot_address_compute_hash, temp_slot_address_hash,
7358         temp_slot_address_eq, insert_temp_slot_address): Support functions
7359         for the new table.
7360         (find_temp_slot_from_address): Rewrite to use the new hash table.
7361         (remove_unused_temp_slot_addresses): Remove addresses of temp
7362         slots that have been made available.
7363         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
7364         worker function for remove_unused_temp_slot_addresses.
7365         (assign_stack_temp_for_type): Don't clear the temp slot address list.
7366         Add the temp slot address to the address -> temp slot map.
7367         (update_temp_slot_address): Update via insert_temp_slot_address.
7368         (free_temp_slots): Call remove_unused_temp_slot_addresses.
7369         (pop_temp_slots): Likewise.
7370         (init_temp_slots): Allocate the address -> temp slot map, or empty
7371         the map if it is already allocated.
7372         (prepare_function_start): Initialize temp slot processing.
7373
7374 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
7375
7376         PR middle-end/38584
7377         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
7378         Calculate the size of all stack vars assuming no packing of stack
7379         vars will happen, replacing a quadratic algorithm with a linear one.
7380
7381 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7382
7383         PR target/38707
7384         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
7385         can't be used.
7386
7387 2009-01-03  Diego Novillo  <dnovillo@google.com>
7388
7389         * doc/contrib.texi: Update contributions.
7390
7391 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
7392
7393         PR c++/38705
7394         * builtins.c (fold_builtin_memory_op): Give up if either operand
7395         is volatile.  Set srctype or desttype to non-qualified version
7396         of the other type.
7397
7398         PR c/38700
7399         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
7400         and FUNCTION_DECLs.
7401
7402 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
7403
7404         PR rtl-optimization/35805
7405         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
7406         problem if fast dce is able to remove any instructions.
7407         * dce.c (dce_process_block): Fix dump message.
7408         
7409 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
7410
7411         PR 33649
7412         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
7413
7414 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
7415
7416         PR middle-end/38690
7417         * tree-flow.h (op_code_prio, op_prio): New prototypes.
7418         * tree-pretty-print.c (op_code_prio): New function.
7419         (op_prio): No longer static.  Use op_code_prio.
7420         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
7421         Use op_prio and op_code_prio to determine if () should be
7422         printed around operand(s) or not.
7423
7424         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
7425         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
7426         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
7427         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
7428         pp_character instead of pp_string for single letter printing.
7429
7430 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
7431
7432         * doc/extend.texi: Fix '#pragma GCC option' typo.
7433
7434 2009-01-02  Richard Guenther  <rguenther@suse.de>
7435
7436         * doc/install.texi (--enable-checking): Mention different
7437         default for stage1.
7438         (--enable-stage1-checking): Document.
7439
7440 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
7441
7442         PR middle-end/30142
7443         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
7444         case to be an error.
7445
7446 2009-01-02  Ben Elliston  <bje@au.ibm.com>
7447
7448         * config/fp-bit.h (pack_d): Constify argument.
7449         * config/fp-bit.c (makenan): Constify return type. Remove casts.
7450         (isnan): Constify argument.
7451         (isinf): Likewise.
7452         (iszero): Likewise.
7453         (pack_d): Likewise.
7454         (_fpadd_parts): Constify return type.
7455         (_fpmul_parts): Likewise.
7456         (_fpdiv_parts): Likewise.
7457
7458 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
7459
7460         PR c/36489
7461         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
7462         warn about overwriting initializer with side-effects or
7463         -Woverride-init if !IMPLICIT.
7464         (output_init_element): Likewise.  Pass IMPLICIT down to
7465         add_pending_init.
7466         (process_init_element): Add IMPLICIT argument.  Pass it down
7467         to output_init_element.
7468         (push_init_element, pop_init_level, set_designator): Adjust
7469         process_init_element callers.
7470         (set_nonincremental_init, set_nonincremental_init_from_string):
7471         Adjust add_pending_init callers.
7472         (output_pending_init_elements): Adjust output_init_element callers.
7473         * c-tree.h (process_init_element): Adjust prototype.
7474         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
7475         process_init_element callers.