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