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* config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
2
3         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
4         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
5         * config/sparc/sparc-protos.h (function_value): Remove declaration.
6         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
7         sparc_function_value_regno_p): New functions.
8         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
9         TARGET_FUNCTION_VALUE_REGNO_P): Define.
10         (function_value): Rename to...
11         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
12         argument to 'outgoing'.
13         (function_arg_record_value, function_arg_union_value,
14         function_arg_vector_value): Update comment.
15
16 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
17
18         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
19         (fde_needed_for_eh_p): New predicate.
20         (output_call_frame_info): Use it throughout to decide whether FDEs
21         are needed for EH purpose.
22         (dwarf2out_begin_prologue): Reorder assignments.
23
24 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
25
26         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
27         special case loop->header.
28         (is_predicated): New.
29         (if_convertible_loop_p): Call it.
30
31 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
32
33         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
34         iterator in parameter.  Do not generate code during the analysis.
35         (tree_if_convert_cond_stmt): Removed.
36         (tree_if_convert_stmt): Removed.
37         (predicate_bbs): New.
38         (if_convertible_loop_p): Call predicate_bbs.
39         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
40         now contains all the analysis part.
41
42 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
43
44         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
45         statements in the analysis part.
46         (tree_if_convert_stmt): Update comment.
47         (remove_conditions_and_labels): New.
48         (combine_blocks): Call remove_conditions_and_labels.
49         (tree_if_conversion): Update comment.
50
51 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
52
53         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
54         than 2 predecessors or more than 2 successors.
55
56 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
57
58         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
59         of loops in which the data dependence analysis fails.
60
61 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
62
63         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
64         CDI_POST_DOMINATORS.
65         (tree_if_conversion): Same.
66
67 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
68
69         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
70
71 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
72
73         * tree-if-conv.c: Update copyright years.  Fix comments.
74         Fix indentation.
75
76 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
77
78         * builtin-types.def (BT_INT128): New primitive type.
79         (BT_UINT128): Likewise.
80         * c-common.c (c_common_r): Add __int128 keyword.
81         (c_common_type_for_size): Handle __int128.
82         (c_common_type_for_mode): Likewise.
83         (c_common_signed_or_unsigned_type): Likewise.
84         (c_common_nodes_and_builtins): Add builtin type
85         if target supports 128-bit integer scalar.
86         * c-common.h (enum rid): Add RID_INT128.
87         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
88         if target supports 128-bit integer scalar.
89         * c-decl.c (declspecs_add_type): Handle new keyword
90         __int128.
91         (finish_declspecs): Likewise.
92         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
93         (c_token_starts_declspecs): Likewise.
94         (c_parser_declspecs): Likewise.
95         (c_parser_attributes): Likewise.
96         (c_parser_objc_selector): Likewise.
97         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
98         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
99         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
100         * tree.c (make_or_reuse_type): Likewise.
101         (make_unsigned_type): Likewise.
102         (build_common_tree_nodes_2): Likewise.
103         * tree.h (enum integer_type_kind): Add itk_int128 and
104         itk_unsigned_int128.
105         (int128_integer_type_node): New define..
106         (int128_unsigned_type_node): New define.
107         * cp/cp-tree.h (cp_decl_specifier_seq): Add new bifield
108         explicit_int128_p.
109         * cp/decl.c (grokdeclarator): Handle __int128.
110         * cp/parser.c (cp_lexer_next_token_is_decl_specifier_ke): Likewise.
111         (cp_parser_simple_type_specifier): Likewise.
112         * cp/rtti.c (emit_support_tinfos): Add int128 nodes for rtti.
113         * cp/typeck.c (cp_common_type): Handle __int128.
114         * cp/mangle.c (integer_type_codes): Add itk_int128 and
115         itk_unsigned_int128.
116         * doc/extend.texi: Add documentation about __int128 type.
117
118 2010-05-26  Richard Guenther  <rguenther@suse.de>
119
120         * tree-ssa-sccvn.c (copy_nary): Adjust.
121         (copy_phis): Rename to ...
122         (copy_phi): ... this.  Adjust.
123         (copy_references): Rename to ...
124         (copy_reference): ... this.  Adjust.
125         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
126         result into the valid table.
127
128 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
129
130         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
131         insn-config.h, insn-codes.h, recog.h, and optabs.h.
132
133 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
134
135         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic):
136         Remove.
137
138 2010-05-26  Richard Guenther  <rguenther@suse.de>
139
140         * opts.c (common_handle_option): Handle OPT_Ofast.
141
142 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
143
144         * diagnostic.c: Don't include opts.h.
145         (permissive_error_option): Define.
146         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
147         for classify_diagnostic.  Don't use memset for
148         classify_diagnostic.  Initialize new and recently added fields.
149         (diagnostic_classify_diagnostic): Use context->n_opts instead of
150         N_OPTS.
151         (diagnostic_report_diagnostic): Pass context parameter to
152         diagnostic_report_warnings_p.  Use option_enabled and option_name
153         hooks from context.
154         (emit_diagnostic): Use permissive_error_option.
155         (permerror): Likewise.
156         * diagnostic.h: Don't include options.h.
157         (struct diagnostic_context): Add n_opts, opt_permissive,
158         inhibit_warnings, warn_system_headers, option_enabled and
159         option_name fields.  Change classify_diagnostic to a pointer.
160         * opts-diagnostic.h: New file.
161         * opts.c: Include opts-diagnostic.h.
162         (common_handle_option): Set global_dc fields for -Wfatal-errors,
163         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
164         (option_name): New function.
165         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
166         (c_common_handle_option): Set global_dc->permissive for
167         -fpermissive.
168         * c-common.c (c_cpp_error): Save and restore
169         global_dc->warn_system_headers, not variable warn_system_headers.
170         * toplev.c: Include opts-diagnostic.h.
171         (general_init): Update call to diagnostic_initialize.  Set
172         global_dc->show_column, global_dc->option_enabled and
173         global_dc->option_name.
174         (process_options): Don't set global_dc fields here.
175         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
176         (diagnostic.o, opts.o, toplev.o): Update dependencies.
177
178 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
179
180         * config/picochip/picochip.md (movsi): Split a movsi from a
181         const after reload.
182
183 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
184
185         * ggc-zone.c: Update copyright year.
186         (poison_region): Mark memory for Valgrind as undefined before
187         memset () call and inaccessible afterwards.
188         (ggc_pch_total_size): Change type of i to int.
189
190 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
191
192         * ggc-common.c (ggc_free_overhead): Allow empty slot.
193
194 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
195
196         * ggc-common.c: Update copyright year.
197         (ggc_rlimit_bound): Remove prototype.  Compile only if
198         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
199         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
200         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
201         (ggc_min_heapsize_heuristic): Likewise.
202
203 2010-05-26  Richard Guenther  <rguenther@suse.de>
204
205         PR rtl-optimization/44164
206         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
207         no-common access-path disambiguation.
208         (indirect_ref_may_alias_decl_p): Adjust.
209         (indirect_refs_may_alias_p): Likewise.
210         (refs_may_alias_p_1): Likewise.
211
212 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
213
214         * c-typeck.c: Do not include expr.h.
215
216 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
217
218         * rtl.h (decl_default_tls_model): Move prototype from here...
219         * output.h: ...to here.
220         * c-decl.c: Do not include rtl.h.
221         * c-pragma.c: Likewise.
222         * c-parser.c: Likewise.
223         * c-gimplify.c: Likewise.  And also not hard-reg-set.
224         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
225         FIXME note for it.  Add a FIXME note for expr.h.
226         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
227         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
228         defined.
229
230 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
231
232         PR target/44199
233         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
234         or total_size is larger than red zone size for non-V4 ABI, emit a
235         stack_tie resp. frame_tie insn before stack pointer restore.
236         * config/rs6000/rs6000.md (frame_tie): New insn.
237
238 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
239
240         * function.h (struct function): Add can_throw_non_call_exceptions bit.
241         * lto-streamer-in.c (input_function): Stream it in.
242         * lto-streamer-out.c (output_function): Stream it out.
243         * function.c (allocate_struct_function): Set it.
244         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
245         for flag_non_call_exceptions.
246         * cfgbuild.c (control_flow_insn_p): Likewise.
247         (make_edges): Likewise.
248         * cfgexpand.c (expand_stack_alignment): Likewise.
249         * combine.c (distribute_notes): Likewise.
250         * cse.c (cse_extended_basic_block): Likewise.
251         * except.c (insn_could_throw_p): Likewise.
252         * gcse.c (simple_mem): Likewise.
253         * ipa-pure-const.c (check_call): Likewise.
254         (check_stmt ): Likewise.
255         * lower-subreg.c (lower-subreg.c): Likewise.
256         * optabs.c (emit_libcall_block): Likewise.
257         (prepare_cmp_insn): Likewise.
258         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
259         * postreload.c (rest_of_handle_postreload): Likewise.
260         * reload1.c (reload_as_needed): Likewise.
261         (emit_input_reload_insns): Likewise.
262         (emit_output_reload_insns): Likewise.
263         (fixup_abnormal_edges): Likewise.
264         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
265         * store-motion.c (find_moveable_store): Likewise.
266         * tree-eh.c (stmt_could_throw_p): Likewise.
267         (tree_could_throw_p): Likewise.
268         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
269         * config/arm/arm.c (arm_expand_prologue): Likewise.
270         (thumb1_expand_prologue): Likewise.
271         * config/rx/rx.md (cbranchsf4): Likewise.
272         (cmpsf): Likewise.
273         * config/s390/s390.c (s390_emit_prologue): Likewise.
274         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
275         (inline_forbidden_into_p): New predicate.
276         (expand_call_inline): Use it to forbid inlining.
277         (tree_can_inline_p): Likewise.
278
279 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
280
281         * config/i386/i386-c.c: Do not include rtl.h.
282         * config/i386/t-i386: Update dependencies.
283
284 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
285
286         * attribs.c: Do not include rtl.h.
287         * Makefile.in: Update dependencies.
288
289 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
290
291         * double-int.h (double_int_and): New.
292         * combine.c (try_combine): Clean up, use double_int_* and
293         immed_double_int_const functions.
294
295 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
296
297         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
298         stderr to /dev/null instead of grep -q.
299         * configure: Regenerate.
300
301 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
302
303         * Makefile.in (EXCEPT_H): Fix typo.
304
305 2010-05-25  Vladimir Makarov <vmakarov@redhat.com>
306
307         * ira-build.c (update_conflict_hard_reg_costs): New.
308         (ira_build): Call update_conflict_hard_reg_costs.
309
310 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
311
312         PR debug/41371
313         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
314         ENABLE_CHECKING.
315         (intersect_loc_chains): Walk the s2var's loc_chain together
316         with s1node chain as long as the locations are equal, don't
317         call find_loc_in_1pdv in that case.
318
319         PR debug/42801
320         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
321         (copy_bind_expr): ... instead of here.
322         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
323         if the block hasn't been remapped.
324         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
325         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
326
327 2010-05-25  Richard Guenther  <rguenther@suse.de>
328
329         PR middle-end/44069
330         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
331         out-of-bounds array accesses.
332
333 2010-05-25  Richard Guenther  <rguenther@suse.de>
334
335         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
336         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
337         (run_gcc): Re-organize to make cleanup easier.
338
339 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
340
341         * config/s390/s390.c (optimization_options): Fix and move the
342         flag_prefetch_loop_arrays override ...
343         (override_options): ... here.
344
345 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
346
347         * diagnostic.c: Don't include plugin.h.
348         (diagnostic_report_diagnostic): Don't handle plugins specially
349         here.  Pass context to internal_error callback.
350         * diagnostic.h (struct diagnostic_context): Add context parameter
351         to internal_error callback.
352         * plugin.c (warn_if_plugins, plugins_internal_error_function):
353         New.
354         * plugin.h (struct diagnostic_context): Declare.
355         (warn_if_plugins, plugins_internal_error_function): Declare.
356         * toplev.c (general_init): Set global_dc->internal_error.
357         * Makefile.in (diagnostic.o): Update dependencies.
358
359 2010-05-25 Iain Sandoe  <iains@gcc.gnu.org>
360
361         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
362         * config/rs6000/t-darwin64: New.
363         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
364         build crt2.
365
366 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
367
368         PR 44203
369         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
370         match the original (and intended) behaviour before r159557.  This
371         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
372         in two ways.
373
374 2010-05-25  Richard Guenther  <rguenther@suse.de>
375
376         * doc/invoke.texi: Document -Ofast.
377         * target.h (struct gcc_target): Add handle_ofast.
378         * target-def.h (TARGET_HANDLE_OFAST): Add.
379         (TARGET_INITIALIZER): Adjust.
380         * opts.c (decode_options): Handle -Ofast.  Enable
381         -ffast-math with it.
382         * common.opt (Ofast): Add.
383
384 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
385
386         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
387         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
388
389 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
390
391         PR target/43610
392         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
393         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
394         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
395         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
396
397 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
398
399         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
400         DW_OP_minus with negated offset instead of DW_OP_plus.
401         (loc_list_from_tree): Don't test whether second operand is
402         INTEGER_CST.
403
404 2010-05-25  Wei Guozhi  <carrot@google.com>
405
406         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
407         tst instruction and a new alternative.
408         * config/arm/constraints.md (Pu): New constraint.
409
410 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
411
412         * function.c (assign_stack_local_1): Initialize variable
413         to avoid warning when bootstrapping at -O3.
414
415 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
416
417         * configure.ac (all_lang_makefiles): Remove everything related to it.
418         * configure: Regenerate.
419         * Makefile.in: Fix reference to ada Make-lang.in.
420         Remove support for LANG_MAKEFILES.
421
422 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
423             Sandra Loosemore  <sandra@codesourcery.com>
424
425         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
426         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
427         description.  Add arm_neon_fp16_ok.
428         (Add Options): Add arm_neon and arm_neon_fp16.
429
430 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
431
432         * diagnostic.c: Don't include flags.h.
433         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
434         context parameters.  Check flags in the context passed as a
435         parameter.
436         (diagnostic_build_prefix): Add context parameter.  Check
437         show_column flag in context.
438         (diagnostic_action_after_output): Check fatal_errors flag in
439         context.
440         (diagnostic_report_current_module): Check show_column flag in
441         context.
442         (default_diagnostic_starter): Update call to
443         diagnostic_build_prefix.
444         (diagnostic_report_diagnostic): Pass context to
445         pedantic_warning_kind.
446         (emit_diagnostic): Pass context to permissive_error_kind.
447         (permerror): Pass context to permissive_error_kind.
448         * diagnostic.h (struct diagnostic_context): Add show_column,
449         pedantic_errors, permissive and fatal_errors fields.
450         (diagnostic_build_prefix): Update prototype.
451         * langhooks.c
452         * toplev.c (process_options): Set flags in global_dc from
453         flag_show_column, flag_pedantic_errors, flag_permissive,
454         flag_fatal_errors.
455         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
456         to diagnostic_build_prefix.
457         * Makefile.in (diagnostic.o): Update dependencies.
458
459 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
460
461         * config/i386/ia32intrin.h (__crc32q): Define only if
462         __SSE4_2__ is defined.
463
464 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
465
466         PR target/44132
467         PR middle-end/43602
468         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
469         DECL_VISIBILITY_SPECIFIED.
470         (emutls_decl): Set DECL_PRESERVE_P and copy
471         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
472         (emutls_finalize_control_var): New callback.
473         (emutls_finish): Finalize emutls control variables.
474         * toplev.c (compile_file): Move the call to emutls_finish () 
475         before varpool_assemble_pending_decls ().
476
477 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
478
479         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
480         added to the preprocessor condition.
481
482 2010-05-24  Paul Brook  <paul@codesourcery.com>
483
484         * gengtype-lex.l: Add HARD_REG_SET.
485         * expr.c (expand_expr_real_1): Record writes to hard registers.
486         * function.c (rtl_data): Add asm_clobbers.
487         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
488         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
489         Use crtl->asm_clobbers.
490
491 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
492
493         * doc/makefile.texi (Makefile): Mention stages 'profile'
494         and 'feedback' for profiledbootstrap.
495
496 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
497
498         PR target/44245
499         * config/i386/i386.c (def_builtin): Properly check
500         OPTION_MASK_ISA_64BIT.
501
502 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
503
504         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
505         typedefs with different but compatible types.  Allow duplicate
506         typedefs with the same type except for pedantic non-C1X, but give
507         warning for variably modified types.
508         * c-typeck.c (tagged_types_tu_compatible_p,
509         function_types_compatible_p, type_lists_compatible_p,
510         comptypes_internal): Add parameter different_types_p; set
511         *different_types_p for different but compatible types.  All
512         callers changed.
513         (comptypes_check_different_types): New.
514         * c-tree.h (comptypes_check_different_types): Declare.
515
516 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
517
518         * regs.h: Do not include obstack.h, basic-block.h.
519         Include machmode.h.
520         * jump.c: Include basic-block.h.
521         * profile.c: Likewise.
522         * tree-profile.c: Likewise.
523         * coverage.c: Likewise.
524         * basic-block.h (optimize_function_for_size_p): Move to function.h.
525         (optimize_function_for_speed_p): Likewise.
526         * function.h (optimize_function_for_size_p,
527         optimize_function_for_speed_p): Moved here from basic-block.h.
528         * Makefile.in: Update dependencies.
529
530 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
531
532         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
533         before calling make; allow override through $MAKE.
534         * doc/invoke.texi (Optimize Options): Document override.
535
536 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
537
538         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
539         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
540         (rs6000_mode_dependent_address_ptr): Make static.
541         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
542         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
543         Remove.
544
545 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
546
547         PR target/43869
548         * config/i386/i386.c: Make sure that the correct regparm is passed.
549
550 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
551
552         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
553         * sbitmap.c: ...to here to internalize sbitmap element access.
554         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
555         Explain why basic-block.h is included.
556         * function.h: Include tm.h for CUMULATIVE_ARGS.
557         * Makefile.in: Update dependencies.
558
559 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
560
561         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
562         New core types.
563         * sbitmap.h (struct sbitmap_def): Do not typedef here.
564         * sbitmap.c: Include sbitmap.h.
565         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
566         hard-reg-set.h.  Split everything related to regsets out from here...
567         * regset.h: ...to here.  New file.
568         * df.h: Include regset.h and sbitmap.h.
569         * tree-flow.h: Likewise.
570         * cfgloop.h: Likewise.
571         * except.h: Do not include sbitmap.h.  Include hashtab.h.
572         * cgraph.h: Include vec.h and function.h.
573         * reload.h (struct insn_chain): Change types of live_throughout
574         and dead_or_set from regset_head to bitmap_head.
575         (compute_use_by_pseudos): Be defined also if regset.h is not included.
576         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
577         spilled_regs from regset_head to bitmap_head to avoid dependency
578         in regset.h.
579         * sel-sched-ir.h: Include regset.h.
580         * reload.c: Include df.h before reload.h.
581         * caller-save.c: Likewise.
582         * reload1.c: Likewise.
583         * ira.c: Likewise.
584         (mark_elimination): Update type of r to bitmap, consistent with
585         DF_LR_IN.
586         * dominance.c: Include bitmap.h.
587         * modulo-sched.c: Include df.h.
588         * cfganal.c: Include bitmap.h and sbitmap.h.
589         * cfgbuild.c: Include sbitmap.h.
590         * lcm.c: Include sbitmap.h.
591         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
592         * domwalk.c: Include sbitmap.h, exclude ggc.h.
593         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
594         * cselib.c: Include bitmap.h.
595         * tree-optimize.c: Include regset.h.
596         * stmt.c: Include bitmap.h.
597         * Makefile.in: Update dependencies.
598
599 2010-05-22  Jan Hubicka  <jh@suse.cz>
600
601         * cgraph.h (struct varpool_node): Add same_comdat_group.
602         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
603         pointer.
604         (output_varpool): Update call of lto_output_varpool_node.
605         (input_varpool): Read same_comdat_group pointer.
606         (input_varpool_1): Fixup same_comdat_group pointer.
607         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
608         group is needed, all are.
609         * varpool.c (varpool_remove_node): Remove node from same comdat group
610         linklist too.
611         (varpool_analyze_pending_decls): Walk same comdat groups.
612
613 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
614
615         * rtl.h (union rtunion_def): Remove rt_bit member.
616         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
617         * print-rtl (print_rtx): Do not print the member.
618         * gengtype.c (adjust_field_rtx_def): Do not handle it.
619         * gengenrtl.c (type_from_format): Likewise.
620         (accessor_from_format): Likewise.
621
622 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
623
624         * dbgcnt.c: Include toplev.h instead of errors.h.
625         * ira-emit.c: Don't include errors.h.
626         * ira.c: Include toplev.h instead of errors.h.
627         * lto-compress.c: Include toplev.h instead of errors.h.
628         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
629         ira.o, dbgcnt.o): Update dependencies.
630
631 2010-05-22  Richard Guenther  <rguenther@suse.de>
632
633         * gimple.c (gimple_types_compatible_p): Check type qualifications
634         before merging pointer to complete and pointer to incomplete type.
635         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
636         we use our own resolution algorithm.  The gold linker plugin
637         doesn't do the job we want it to do here.
638
639 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
640
641         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
642         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
643         (sparc_mode_dependent_address_p): New function.
644
645 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
646
647         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
648
649         * timevar.c: Do not include any core headers.
650         (timevar_print): De-i18n-ize.
651         (print_time): Likewise.
652         * timevar.h (timevar_push, timevar_pop): Make inline functions.
653
654 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
655
656         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
657         langhooks-def.h.
658         (diagnostic_initialize): Initialize x_data not last_function.
659         (diagnostic_report_current_function): Move to tree-diagnostic.c.
660         (default_diagnostic_starter): Call
661         diagnostic_report_current_module not
662         diagnostic_report_current_function.
663         (diagnostic_report_diagnostic): Initialize x_data not
664         abstract_origin.
665         (verbatim): Likewise.
666         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
667         x_data.
668         (struct diagnostic_context): Change last_function to x_data.
669         (diagnostic_auxiliary_data): Replace with
670         diagnostic_context_auxiliary_data and
671         diagnostic_info_auxiliary_data.
672         (diagnostic_last_function_changed, diagnostic_set_last_function,
673         diagnostic_report_current_function): Move to tree-diagnostic.h.
674         (print_declaration, dump_generic_node, print_generic_stmt,
675         print_generic_stmt_indented, print_generic_expr,
676         print_generic_decl, debug_c_tree, dump_omp_clauses,
677         print_call_name, debug_generic_expr, debug_generic_stmt,
678         debug_tree_chain, default_tree_printer): Move to
679         tree-pretty-print.h.
680         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
681         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
682         gimple-pretty-print.h.
683         * pretty-print.c: Don't include tree.h
684         (pp_base_format): Don't handle %K here.
685         (pp_base_tree_identifier): Move to tree-pretty-print.c.
686         * pretty-print.h (text_info): Change abstract_origin to x_data.
687         (pp_tree_identifier, pp_unsupported_tree,
688         pp_base_tree_identifier): Move to tree-pretty-print.h.
689         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
690         tree-pretty-print.h: New files.
691         * tree-pretty-print.c: Include tree-pretty-print.h.
692         (percent_K_format): New.  Moved from pretty-print.c.
693         (pp_base_tree_identifier): Move from pretty-print.c.
694         * c-objc-common.c: Include tree-pretty-print.h.
695         (c_tree_printer): Handle %K here.
696         * langhooks.c: Include tree-diagnostic.h.
697         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
698         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
699         (default_tree_printer): Handle %K using percent_K_format.
700         (general_init): Use default_tree_diagnostic_starter.
701         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
702         (free_lang_data): Use default_tree_diagnostic_starter.
703         * c-pretty-print.c: Include tree-pretty-print.h.
704         * cfgexpand.c: Include tree-pretty-print.h and
705         gimple-pretty-print.h.
706         * cgraphunit.c: Include tree-pretty-print.h and
707         gimple-pretty-print.h.
708         * dwarf2out.c: Include tree-pretty-print.h.
709         * except.c: Include tree-pretty-print.h.
710         * gimple-pretty-print.c: Include tree-pretty-print.h and
711         gimple-pretty-print.h.
712         * gimplify.c: Include tree-pretty-print.h.
713         * graphite-poly.c: Include tree-pretty-print.h and
714         gimple-pretty-print.h.
715         * ipa-cp.c: Include tree-pretty-print.h.
716         * ipa-inline.c: Include gimple-pretty-print.h.
717         * ipa-prop.c: Include tree-pretty-print.h and
718         gimple-pretty-print.h.
719         * ipa-pure-const.c: Include gimple-pretty-print.h.
720         * ipa-struct-reorg.c: Include tree-pretty-print.h and
721         gimple-pretty-print.h.
722         * ipa-type-escape.c: Include tree-pretty-print.h.
723         * print-rtl.c: Include tree-pretty-print.h.
724         * print-tree.c: Include gimple-pretty-print.h.
725         * sese.c: Include tree-pretty-print.h.
726         * tree-affine.c: Include tree-pretty-print.h.
727         * tree-browser.c: Include tree-pretty-print.h.
728         * tree-call-cdce.c: Include gimple-pretty-print.h.
729         * tree-cfg.c: Include tree-pretty-print.h and
730         gimple-pretty-print.h.
731         * tree-chrec.c: Include tree-pretty-print.h.
732         * tree-data-ref.c: Include tree-pretty-print.h and
733         gimple-pretty-print.h.
734         * tree-dfa.c: Include tree-pretty-print.h.
735         * tree-if-conv.c: Include tree-pretty-print.h and
736         gimple-pretty-print.h.
737         * tree-inline.c: Include tree-pretty-print.h.
738         * tree-into-ssa.c: Include tree-pretty-print.h and
739         gimple-pretty-print.h.
740         * tree-nrv.c: Include tree-pretty-print.h.
741         * tree-object-size.c: Include tree-pretty-print.h and
742         gimple-pretty-print.h.
743         * tree-outof-ssa.c: Include tree-pretty-print.h and
744         gimple-pretty-print.h.
745         * tree-parloops.c: Include tree-pretty-print.h and
746         gimple-pretty-print.h.
747         * tree-predcom.c: Include tree-pretty-print.h and
748         gimple-pretty-print.h.
749         * tree-scalar-evolution.c: Include tree-pretty-print.h and
750         gimple-pretty-print.h.
751         * tree-sra.c: Include tree-pretty-print.h.
752         * tree-ssa-address.c: Include tree-pretty-print.h.
753         * tree-ssa-alias.c: Include tree-pretty-print.h.
754         * tree-ssa-ccp.c: Include tree-pretty-print.h and
755         gimple-pretty-print.h.
756         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
757         * tree-ssa-copy.c: Include tree-pretty-print.h and
758         gimple-pretty-print.h.
759         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
760         * tree-ssa-dce.c: Include tree-pretty-print.h and
761         gimple-pretty-print.h.
762         * tree-ssa-dom.c: Include tree-pretty-print.h and
763         gimple-pretty-print.h.
764         * tree-ssa-dse.c: Include gimple-pretty-print.h.
765         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
766         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
767         * tree-ssa-live.c: Include tree-pretty-print.h and
768         gimple-pretty-print.h.
769         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
770         gimple-pretty-print.h.
771         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
772         gimple-pretty-print.h.
773         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
774         gimple-pretty-print.h.
775         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
776         gimple-pretty-print.h.
777         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
778         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
779         * tree-ssa-operands.c: Include tree-pretty-print.h and
780         gimple-pretty-print.h.
781         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
782         gimple-pretty-print.h.
783         * tree-ssa-pre.c: Include tree-pretty-print.h and
784         gimple-pretty-print.h.
785         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
786         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
787         gimple-pretty-print.h.
788         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
789         gimple-pretty-print.h.
790         * tree-ssa-sink.c: Include gimple-pretty-print.h.
791         * tree-ssa-ter.c: Include tree-pretty-print.h and
792         gimple-pretty-print.h.
793         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
794         * tree-ssa.c: Include tree-pretty-print.h and
795         gimple-pretty-print.h.
796         * tree-stdarg.c: Include gimple-pretty-print.h.
797         * tree-switch-conversion.c: Include gimple-pretty-print.h.
798         * tree-tailcall.c: Include tree-pretty-print.h and
799         gimple-pretty-print.h.
800         * tree-vect-data-refs.c: Include tree-pretty-print.h and
801         gimple-pretty-print.h.
802         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
803         gimple-pretty-print.h.
804         * tree-vect-loop.c: Include tree-pretty-print.h and
805         gimple-pretty-print.h.
806         * tree-vect-patterns.c: Include gimple-pretty-print.h.
807         * tree-vect-slp.c: Include tree-pretty-print.h and
808         gimple-pretty-print.h.
809         * tree-vect-stmts.c: Include tree-pretty-print.h and
810         gimple-pretty-print.h.
811         * tree-vectorizer.c: Include tree-pretty-print.h.
812         * tree-vrp.c: Include tree-pretty-print.h and
813         gimple-pretty-print.h.
814         * value-prof.c: Include tree-pretty-print.h and
815         gimple-pretty-print.h.
816         * var-tracking.c: Include tree-pretty-print.h.
817         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
818         (tree-diagnostic.o): New dependencies.
819         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
820         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
821         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
822         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
823         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
824         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
825         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
826         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
827         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
828         tree-ssa-address.o, tree-ssa-loop-niter.o,
829         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
830         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
831         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
832         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
833         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
834         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
835         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
836         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
837         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
838         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
839         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
840         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
841         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
842         tree-switch-conversion.o, var-tracking.o, value-prof.o,
843         cfgexpand.o, pretty-print.o): Update dependencies.
844
845 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
846
847         * tree-ssa-structalias.c: Remove tm_p.h from include.
848
849 2010-05-21  Jeff Law  <law@redhat.com>
850
851         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
852
853 2010-05-21  Jason Merrill  <jason@redhat.com>
854
855         * tree-eh.c (cleanup_is_dead_in): New.
856         (lower_try_finally): Don't generate a dead cleanup region.
857         (lower_cleanup): Likewise.
858
859 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
860
861         PR debug/44223
862         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
863         unchain each use from the cyclic next_regno_use chain first.
864
865 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
866
867         * real: Do not include gmp.h, mpfr.h, and mpc.h.
868         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
869         (real_value_negate, real_value_abs): New prototypes.
870         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
871         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
872         new include file for interface between MPFR and REAL_VALUE_TYPE.
873         * real.c: Include realmpfr.h.
874         (real_arithmetic2): Remove legacy function.
875         (real_value_negate): New.
876         (real_value_abs): New.
877         (mfpr_from_real, real_from_mpfr): Move from here...
878         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
879         * builtins.c: Include realmpfr.h.
880         * fold-const.c: Include realmpfr.h.
881         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
882         (fold_negate_const): Likewise.
883         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
884         * toplev.c: Include realmpfr.h.
885         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
886         and real_value_negate.
887         * fixed-value.c (check_real_for_fixed_mode): Likewise.
888         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
889         (vfp3_const_double_index): Likewise.
890         (arm_print_operand): Likewise.
891         * Makefile.in: Update dependencies.
892
893 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
894
895         * config/s390/s390.c (override_options): Increase the default
896         of max-completely-peel-times.
897
898 2010-05-21  Julian Brown  <julian@codesourcery.com>
899             Mark Mitchell  <mark@codesourcery.com>
900
901         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
902         sibling calls for Thumb-1.
903         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
904         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
905         Thumb-2.
906         (*call_insn, *call_value_insn): Don't use for Thumb-2.
907         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
908         for Thumb-2.
909         (return): New expander.
910         (*arm_return): New name for ARM return insn.
911         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
912
913 2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>
914
915         * config.gcc (sparc64-*-rtems*): New target.
916
917 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
918
919         * tree.c (build_function_decl_skip_args): Fix grammar.
920         (build_function_type_list_1): Fix typos, adjust formatting.
921
922 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
923
924         * tree.h: Include real.h and fixed-value.h as basic datatypes.
925         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
926         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
927         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
928         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
929         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
930         tree-pretty-print.c, tree-loop-distribution.c,
931         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
932         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
933         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
934         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
935         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
936         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
937         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
938         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
939         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
940         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
941         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
942         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
943         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
944         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
945         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
946         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
947         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
948         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
949         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
950         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
951         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
952         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
953         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
954         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
955         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
956         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
957         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
958         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
959         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
960         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
961         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
962         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
963         config/score/score7.c, config/score/score.c, config/arm/arm.c,
964         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
965         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
966         config/bfin/bfin.c:
967         Clean up redundant includes.
968         * Makefile.in: Update accordingly.
969
970 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
971
972         PR middle-end/44204
973         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
974         statement has no arguments.
975
976 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
977
978         PR/44139
979         * varasm.c (emutls_decl): Merge attributes to new decl.
980
981 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
982
983         PR middle-end/44101
984         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
985         around the uniquized constructor if its type requires a conversion.
986
987 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
988
989         PR debug/44205
990         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
991         at -O0 goto_locus of any of the incoming edges differs from
992         goto_locus of outgoing edge, or gimple_location of any of the
993         labels differs.
994
995 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
996
997         * ira.c (ira_non_ordered_class_hard_regs): Define.
998         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
999         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
1000         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
1001         cost of unaligned hard regs when allocating multi-reg pseudos.
1002
1003 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
1004
1005         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
1006         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
1007         for TARGET_NO_FLOAT.
1008         * config/mips/mips.c (mips_file_start): Expand conditional expression
1009         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
1010         (mips_override_options): Move -mno-float override -msoft-float and
1011         -mhard-float.
1012         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
1013         Condition(TARGET_SUPPORTS_NO_FLOAT).
1014         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
1015         __mips_no_float here.
1016         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
1017         (TARGET_SUPPORTS_NO_FLOAT): Define.
1018         * config/mips/sdemtk.opt: Delete.
1019
1020 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1021
1022         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail
1023         out if !cond.
1024
1025 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
1026
1027         PR target/43733
1028         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
1029         * configure: Regenerate.
1030         * config.in: Regenerate.
1031         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
1032         instead of sahf only for 64bit targets.
1033
1034 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR debug/44178
1037         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
1038         setup_ref_regs for DEBUG_INSNs.
1039
1040 2010-05-20  Jan Hubicka  <jh@suse.cz>
1041
1042         PR middle-end/44197
1043         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
1044
1045 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
1046
1047         PR bootstrap/43870
1048         * df-scan.c (df_ref_compare): Stabilize sort.
1049
1050 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
1051
1052         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
1053         argument.  Don't use DW_OP_piece if offset is non-zero,
1054         put offset into second DW_OP_bit_piece argument.
1055         (dw_sra_loc_expr): Adjust callers.  For memory expressions
1056         compute offset.
1057
1058 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
1059
1060         PR target/44202
1061         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
1062         settings for 16-bit-constant "addo" alternative.
1063
1064 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
1065
1066         * config/mips/mips-dsp.md (add<DSPV:mode>3,
1067         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
1068
1069         PR target/43764
1070         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
1071         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
1072         Use it.
1073
1074 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
1075
1076         * diagnostic.c (FLOAT, FFS): Don't undefine.
1077         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
1078         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
1079         include ordering.
1080
1081 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
1082
1083         * combine.c (propagate_for_debug): Call make_compound_operation
1084         on the source value.
1085         (try_combine): When implementing a split chosen by find_split_point,
1086         either copy i2src or set it to null.  Assert that i2src is not null
1087         before substituting into CALL_INSN_FUNCTION_USAGE.
1088
1089 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
1090
1091         * double-int.h (double_int_ior): New function.
1092         * tree.h (build_int_cst_wide_type): Remove.
1093         * tree.c (build_int_cst_wide_type): Remove.
1094         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
1095         of build_int_cst_wide_type.
1096         * stor-layout.c (set_sizetype): (Ditto.).
1097         * dojump.c (do_jump): Use build_int_cstu instead of
1098         build_int_cst_wide_type.
1099
1100 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1101
1102         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
1103         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
1104         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
1105         * gimplify.c: (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
1106         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
1107         propagate the 'data' argument to copy_tree_r.
1108         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
1109         Propagate 'data' argument to walk_tree.
1110         (copy_if_shared): New function.
1111         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
1112         (unmark_visited): New function.
1113         (unshare_body): Call copy_if_shared instead of doing it manually.
1114         (unvisit_body): Call unmark_visited instead of doing it manually.
1115
1116 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
1117
1118         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
1119         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
1120         * hooks.c: Likewise.
1121         * target-def.h (TARGET_FOLD_BUILTIN): Define to
1122         hook_tree_tree_int_treep_bool_null.
1123         * target.h: (struct gcc_target): Update signature of fold_builtin
1124         field.
1125         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
1126         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
1127         instead of the call expression.
1128         (fold_builtin_call_array): Pass n and argarray directly.
1129         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
1130         consing a list.
1131         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
1132         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
1133         `i' and use it in place of `arity'.
1134         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
1135         Dereference `args' directly.
1136         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
1137
1138 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1139
1140         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1141         3dnow, sse3, sse2.
1142         (Directives): Document optional dg-require-effective-target
1143         selector.
1144
1145 2010-05-19  Richard Guenther  <rguenther@suse.de>
1146
1147         PR lto/44196
1148         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
1149
1150 2010-05-19  Richard Guenther  <rguenther@suse.de>
1151
1152         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
1153         * common.opt (fwhopr=): New.
1154         * opts.c (common_handle_option): Handle OPT_fwhopr.
1155         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
1156         * collect2.c (main): Match -fwhopr*.
1157         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
1158         Execute ltrans stage in parallel when jobs is bigger than 1.
1159
1160 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1161
1162         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
1163         pentiumpro on Solaris 8/x86 with Sun as.
1164         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
1165         hidden alias bug.
1166         (gcc_cv_as_ix86_quad): Check for .quad directive.
1167         * configure: Regenerate.
1168         * config.in: Regenerate.
1169         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
1170
1171 2010-05-19  Martin Jambor  <mjambor@suse.cz>
1172
1173         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
1174         also for indirect edges.  Actual printing moved...
1175         (ipa_print_node_jump_functions_for_edge): ...here.
1176         (ipa_compute_jump_functions): Renamed to
1177         ipa_compute_jump_functions_for_edge and made static.
1178         (ipa_compute_jump_functions): New function.
1179         (make_edge_direct_to_target): Check if the number of arguments on
1180         the newly direct edge is the same as the number of parametrs of
1181         the callee.
1182         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
1183         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
1184         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
1185         analysis functions unconditionally, call the new
1186         ipa_analyze_params_uses on the node instead of every edge.
1187
1188 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
1189
1190         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
1191         to tree.
1192         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
1193         also checks for a constant int vs.  non-constant but
1194         loop-invariant steps.
1195         (find_or_create_group): Change the sort algorithm to only consider
1196         steps that are constant ints.
1197         (idx_analyze_ref): Adopt code to handle a tree instead of a
1198         HOST_WIDE_INT for step.
1199         (gather_memory_references_ref): Handle tree instead of int and be
1200         prepared to see a NULL_TREE.
1201         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
1202         prefetches if the step cannot be calculated at compile time.
1203         (issue_prefetch_ref): Issue prefetches for non-constant but
1204         loop-invariant steps.
1205
1206 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1207
1208         Revert:
1209         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1210
1211         * tree.h (build_call_list): Remove.
1212         * tree.c (build_call_list): Remove.
1213
1214 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1215
1216         * tree.h (build_call_list): Remove.
1217         * tree.c (build_call_list): Remove.
1218
1219 2010-05-18  Jan Hubicka  <jh@suse.cz>
1220
1221         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
1222
1223 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
1224
1225         PR rtl-optimization/43332
1226         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
1227
1228 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
1229
1230         * tree.h (build_int_cstu): Implement as static inline.
1231         * tree.c (build_int_cstu): Remove function.
1232         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
1233         sign extended.
1234
1235 2010-05-18  Richard Guenther  <rguenther@suse.de>
1236
1237         PR lto/44143
1238         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
1239         (debug): Initialize from -save-temps.
1240         (collect_execute): Print command-line when verbose.
1241         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
1242         for ltrans invocation.  Produce -dumpbase flag again.
1243         (process_args): Remove.
1244         (main): Simplify.
1245         * collect2.c (maybe_run_lto_and_relink): Only pass object
1246         files to lto-wrapper.
1247         * gcc.c (LINK_COMMAND_SPEC): Likewise.
1248
1249 2010-05-18  Jan Hubicka  <jh@suse.cz>
1250
1251         * opts.c (decode_options): Do not disable whopr at ipa_cp.
1252         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
1253
1254 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1255
1256         PR lto/44184
1257         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
1258         in a GIMPLE_ASM.
1259         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
1260         in a GIMPLE_ASM.
1261
1262 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
1263
1264         PR debug/41371
1265         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
1266         rtx_equal_p inline.
1267
1268 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1269
1270         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
1271         lto-macho as lto_binary_reader.
1272
1273         * darwin.c (darwin_asm_named_section): Do not add assembler comment
1274         after .section directive; just print it before the directive instead.
1275
1276 2010-05-17  Jan Hubicka  <jh@suse.cz>
1277
1278         * cgraph.c (cgraph_create_virtual_clone): Only check
1279         versionable_function_p when not in wpa and checking is enabled.
1280         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
1281         there are no more functions to materialize.
1282
1283 2010-05-17  Jan Hubicka  <jh@suse.cz>
1284
1285         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
1286         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
1287         New functions.
1288         (output_cgraph): Call output_cgraph_opt_summary.
1289         (input_cgrpah): Call input_cgraph_opt_summary.
1290         (output_cgraph_opt_summary_p, output_node_opt_summary,
1291         input_node_opt_summary, input_cgraph_opt_section): New functions.
1292         * lto-section-in.c (lto_section_name): Add cgraphopt.
1293         * tree-inline.c (tree_function_versioning): Handle parm_num.
1294         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
1295         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
1296
1297 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1298
1299         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
1300         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
1301         the insn to prefetch ratio heuristic to loops with known trip count.
1302
1303 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1304
1305         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
1306         (schedule_prefetches): Do not generate a prefetch if the unroll factor
1307         is far from what is required by the prefetch.
1308
1309 2010-05-17  Jan Hubicka  <jh@suse.cz>
1310
1311         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
1312         (ipcp_estimate_growth): Likewise.
1313         (ipcp_const_param_count): Likewise.
1314         (ipcp_insert_stage): Likewise.
1315         * ipa-prop.c (visit_load_for_mod_analysis): New function.
1316         (visit_store_addr_for_mod_analysis): Set used flag.
1317         (ipa_detect_param_modifications): Set used flag for SSE params;
1318         update use of walk_stmt_load_store_addr_ops.
1319         (ipa_print_node_params): Print used flag.
1320         (ipa_write_node_info): Stream used flag.
1321         (ipa_read_node_info): Likewise.
1322         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
1323         (ipa_is_param_used): New function.
1324         (lto_ipa_fixup_call_notes): Remove unused declaration.
1325
1326 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1327
1328         PR target/44074
1329         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
1330         * configure: Regenerate.
1331         * config.in: Regenerate.
1332         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
1333         !HAVE_AS_IX86_REP_LOCK_PREFIX.
1334         Don't emit whitespace.
1335         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
1336         (*rep_movsi): Likewise.
1337         (*rep_movsi_rex64): Likewise.
1338         (*rep_movqi): Likewise.
1339         (*rep_movqi_rex64): Likewise.
1340         (*rep_stosdi_rex64): Likewise.
1341         (*rep_stossi): Likewise.
1342         (*rep_stossi_rex64): Likewise.
1343         (*rep_stosqi): Likewise.
1344         (*rep_stosqi_rex64): Likewise.
1345         (*cmpstrnqi_nz_1): Use {%;} after repz.
1346         (*cmpstrnqi_nz_rex_1): Likewise.
1347         (*cmpstrnqi_1): Likewise.
1348         (*cmpstrnqi_rex_1): Likewise.
1349         (*strlenqi_1): Use {%;} after repnz.
1350         (*strlenqi_rex_1): Likewise.
1351         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
1352         (*sync_compare_and_swap<mode>): Likewise.
1353         (sync_double_compare_and_swap<mode>): Likewise.
1354         (*sync_double_compare_and_swapdi_pic): Likewise.
1355         (sync_old_add<mode>): Likewise.
1356         (sync_add<mode>): Likewise.
1357         (sync_sub<mode>): Likewise.
1358         (sync_<code><mode>): Likewise.
1359
1360 2010-05-17  Martin Jambor  <mjambor@suse.cz>
1361
1362         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
1363         otr_token and polymorphic.
1364         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
1365         (cgraph_clone_edge): Copy the above fields.
1366         * tree.c (get_binfo_at_offset): New function.
1367         * tree.h (get_binfo_at_offset): Declare.
1368         * ipa-prop.h (enum jump_func_type): Added known_type jump function
1369         type, reordered items, updated comments.
1370         (union jump_func_value): Added base_type field, reordered fields.
1371         (enum ipa_lattice_type): Moved down in the file.
1372         (struct ipa_param_descriptor): New field polymorphic.
1373         (ipa_is_param_polymorphic): New function.
1374         * ipa-prop.c: Include gimple.h and gimple-fold.h.
1375         (ipa_print_node_jump_functions): Print known type jump functions.
1376         (compute_complex_pass_through): Renamed to...
1377         (compute_complex_assign_jump_func): this.
1378         (compute_complex_ancestor_jump_func): New function.
1379         (compute_known_type_jump_func): Likewise.
1380         (compute_scalar_jump_functions): Create known type and complex ancestor
1381         jump functions.
1382         (ipa_note_param_call): New parameter polymorphic, set the corresponding
1383         flag in the call note accordingly.
1384         (ipa_analyze_call_uses): Renamed to...
1385         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
1386         variable var only in the block where it is used.
1387         (ipa_analyze_virtual_call_uses): New function.
1388         (ipa_analyze_call_uses): Likewise.
1389         (combine_known_type_and_ancestor_jfs): Likewise.
1390         (update_jump_functions_after_inlining): Implemented handling of a
1391         number of new jump function types combination.
1392         (print_edge_addition_message): Removed.
1393         (make_edge_direct_to_target): New function.
1394         (try_make_edge_direct_simple_call): Likewise.
1395         (try_make_edge_direct_virtual_call): Likewise.
1396         (update_call_notes_after_inlining): Renamed to...
1397         (update_indirect_edges_after_inlining): this.  Moved edge creation for
1398         indirect calls to try_make_edge_direct_simple_call, also calls
1399         try_make_edge_direct_virtual_call for virtual calls.
1400         (ipa_print_node_params): Changed the header message.
1401         (ipa_write_jump_function): Stream also known type jump functions.
1402         (ipa_read_jump_function): Likewise.
1403         (ipa_write_indirect_edge_info): Stream new fields in
1404         cgraph_indirect_call_info.
1405         (ipa_read_indirect_edge_info): Likewise.
1406         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
1407         GIMPLE_FOLD_H.
1408
1409 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1410
1411         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
1412
1413 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
1414
1415         * tree.h (CALL_EXPR_ARGS): Delete.
1416         (call_expr_arglist): Delete.
1417         * tree.c (call_expr_arglist): Delete.
1418         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
1419         targetm.fold_builtin.
1420         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
1421         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
1422         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
1423         arglist parameter.  Use CALL_EXPR_ARG.
1424         (picochip_expand_builtin_3op): Likewise.
1425         (picochip_expand_builtin_2opvoid): Likewise.
1426         (picochip_expand_array_get): Likewise.
1427         (picochip_expand_array_put): Likewise.
1428         (picochip_expand_array_testport): Likewise.
1429         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
1430         rather than arglist.
1431         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
1432         CALL_EXPR_ARGS.
1433         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
1434         than TREE_VALUE and TREE_CHAIN.
1435         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
1436         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
1437         the arglist.
1438
1439 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
1440
1441         PR bootstrap/42347
1442         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
1443         to have no fallthru edge.
1444
1445         PR middle-end/44102
1446         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
1447         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
1448         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
1449         add BARRIER after previous bb if needed.
1450
1451 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
1452
1453         * tree.c (build_function_type_list_1): Remove bogus assert condition.
1454
1455 2010-05-17  Alan Modra  <amodra@gmail.com>
1456
1457         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
1458         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
1459         with copy_reg rtx param.
1460         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
1461         Correct cases where code for ABI_V4 did not initialise the reg
1462         used to access frame.  Also leave frame_reg_rtx as sp for large
1463         frames that save no regs.
1464
1465 2010-05-17  Martin Jambor  <mjambor@suse.cz>
1466
1467         PR middle-end/44133
1468         * tree-sra.c (create_access_replacement): New parameter rename, mark
1469         the replaement for renaming only when it is true.
1470         (get_access_replacement): Pass true in the rename parameter of
1471         create_access_replacement.
1472         (get_unrenamed_access_replacement): New function.
1473         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
1474         replacement declaration from it.
1475
1476 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
1477
1478         * function.c (try_fit_stack_local, add_frame_space): New static
1479         functions.
1480         (assign_stack_local_1): Use them.  Look for opportunities to use
1481         space previously wasted on alignment.
1482         * function.h (struct frame_space): New.
1483         (struct rtl_data): Add FRAME_SPACE_LIST member.
1484         * reload1.c (something_was_spilled): New static variable.
1485         (alter_reg): Set it.
1486         (reload): Test it in addition to testing if the frame size changed.
1487
1488 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
1489
1490         * config/s390/s390.c: Define sane prefetch settings and activate
1491         flag_prefetch_loop_arrays on -O3.
1492         * config/s390/s390.h: Declare that read can use write prefetch.
1493
1494 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
1495
1496         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
1497         build.
1498
1499 2010-05-16  Jan Hubicka  <jh@suse.cz>
1500
1501         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
1502         function body; do not check stdarg field of struct function.
1503
1504 2010-05-16  Jan Hubicka  <jh@suse.cz>
1505
1506         * cgraph.c (dump_cgraph_node): Dump versionable flag.
1507         * cgraph.h (cgraph_local_info): Add versionable flag.
1508         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
1509         (ipcp_versionable_function_p): Use it.
1510         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
1511         versionable flag.
1512
1513 2010-05-16  Jan Hubicka  <jh@suse.cz>
1514
1515         * cgraph.c (cgraph_clone_node): Take decl argument and insert
1516         clone into hash when it is different from orig.
1517         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
1518         * cgraph.h (cgraph_clone_node): Update prototype.
1519         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
1520         (lto_cgraph_encoder_delete): Delete body map.
1521         (lto_cgraph_encoder_size): Move to header.
1522         (lto_cgraph_encoder_encode_body_p,
1523         lto_set_cgraph_encoder_encode_body): New.
1524         (lto_output_node): Do not take written_decls argument; output clone_of
1525         pointer.
1526         (add_node_to): Add include_body_argument; call
1527         lto_set_cgraph_encoder_encode_body on master of the clone.
1528         (add_references): Update use of add_node_to.
1529         (compute_ltrans_boundary): Likewise.
1530         (output_cgraph): Do not create written_decls bitmap.
1531         (input_node): Take nodes argument; stream in clone_of correctly.
1532         (input_cgraph_1): Update use of input_node.
1533         * lto-streamer-out.c (lto_output): Use encoder info to decide
1534         what bodies to output.
1535         * ipa-inline.c (cgraph_clone_inlined_nodes,
1536         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
1537         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
1538         (lto_cgraph_encoder_size): Define here.
1539         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
1540         Declare.
1541
1542 2010-05-16  Richard Guenther  <rguenther@suse.de>
1543
1544         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
1545         -fipa-type-escape.
1546         * ipa-type-escape.c (gate_type_escape_vars): Run when
1547         -fipa-struct-reorg runs.
1548         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
1549         * common.opt (fipa-type-escape): Remove.
1550
1551 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1552
1553         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
1554         (decode_options): Likewise.
1555         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
1556
1557 2010-05-16  Jan Hubicka  <jh@suse.cz>
1558
1559         * ipa.c (function_and_variable_visibility): Also bring local all
1560         aliases.
1561
1562 2010-05-16  Richard Guenther  <rguenther@suse.de>
1563
1564         * alias.c (nonoverlapping_memrefs_p): Remove use of
1565         IPA type-escape information.
1566
1567 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
1568
1569         * c-common.c (c_common_reswords): Add _Static_assert for C.
1570         * c-parser.c (c_token_starts_declaration,
1571         c_parser_next_token_starts_declaration,
1572         c_parser_static_assert_declaration_no_semi,
1573         c_parser_static_assert_declaration): New.
1574         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
1575         Handle static assertions if static_assert_ok.
1576         (c_parser_external_declaration, c_parser_declaration_or_fndef,
1577         c_parser_compound_statement_nostart, c_parser_label,
1578         c_parser_for_statement, c_parser_objc_methodprotolist,
1579         c_parser_omp_for_loop): All callers of
1580         c_parser_declaration_or_fndef changed.
1581         (c_parser_struct_declaration): Handle static assertions.
1582         (c_parser_compound_statement_nostart): Use
1583         c_parser_next_token_starts_declaration and
1584         c_token_starts_declaration to detect start of declarations.
1585         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
1586         Likewise.
1587
1588 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
1589
1590         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
1591         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
1592         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
1593         TARGET_FUNCTION_VALUE_REGNO_P): Define.
1594         (mmix_function_outgoing_value): Rename to...
1595         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
1596         (mmix_function_value_regno_p): Make static.
1597         (mmix_libcall_value): New function.
1598         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
1599         mmix_function_value_regno_p): Remove declaration.
1600
1601 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
1602
1603         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
1604         BUILT_IN_ALLOCA if stack checking is enabled.
1605
1606 2010-05-16  Richard Guenther  <rguenther@suse.de>
1607
1608         * var-tracking.c (vars_copy_1): Inline ...
1609         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
1610         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
1611         (variable_merge_over_cur): Adjust.  Merge asserts.
1612         (variable_merge_over_src): Likewise.
1613         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
1614         (variable_post_merge_new_vals): Merge asserts.
1615         (variable_post_merge_perm_vals): Likewise.
1616         (find_mem_expr_in_1pdv): Likewise.
1617         (dataflow_set_different_value): Remove.
1618         (onepart_variable_different_p): Merge asserts.
1619         (variable_different_p): Likewise.
1620         (dataflow_set_different_1): Inline ...
1621         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
1622         (emit_notes_for_differences_1): Merge asserts.
1623
1624 2010-05-16  Richard Guenther  <rguenther@suse.de>
1625
1626         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
1627         * optabs.c (libfunc_decl_hash): Likewise.
1628         * varasm.c (emutls_decl): Likewise.
1629
1630 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
1631
1632         * c-decl.c: Don't include gimple.h.
1633         (merge_decls): Do not copy gimple_body.
1634
1635 2010-05-15  Jason Merrill  <jason@redhat.com>
1636
1637         * c.opt: Add -fnothrow-opt.
1638
1639 2010-05-15  Jan Hubicka  <jh@suse.cz>
1640
1641         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
1642         analyzed.
1643         * passes.c (ipa_write_summaries): Write all analyzed nodes.
1644
1645 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
1646
1647         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
1648         * Makefile.in: Add it.
1649         Fix all other Makefile dependencies for changes below.
1650         * tree.h: Include it instead of defining VEC primitives here.
1651         * gimple.h: Likewise.
1652         * rtl.h: Likewise.
1653         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
1654         * except.h: Include vecir.h, break dependence on tree.h.
1655
1656         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
1657         Move from here...
1658         * tree-iterator.c: ...to here.
1659         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
1660
1661         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
1662         tm_p.h.
1663         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
1664         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
1665         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
1666         tree-mudflap.h, and target.h.
1667         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
1668         predict.h, tree-inline.h, gimple.h, and langhooks.h.
1669         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
1670         Add FIXME for why gimple.h is still included (should be unnecessary
1671         since GCC 4.5 gimplification unit-at-a-time).
1672         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
1673         * c-pragma.c: Add FIXME for why function.h needs to be included just
1674         for cfun, at front-end level.
1675         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
1676         Do not include ggc.h, but include vecprim.h for VEC(char).
1677         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
1678         Explain why target.h is included.
1679         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
1680         Explain why gimple.h is included.
1681         * c-ppoutput.c: Do not include tm.h.
1682         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
1683         * c-parses.c: Explain why rtl.h is included, and that this (and only
1684         this) is also why tm.h must be included.
1685         Do not include except.h.
1686         * c-lang.c: Do not include ggc.h.
1687
1688 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
1691
1692 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
1693
1694         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
1695         unions by default if those structs and unions have no tags.  Do
1696         not condition anonymous struct and unions handling on flag_iso.
1697         Allow anonymous structs and unions for C1X.
1698         (finish_struct): Do not diagnose lack of named fields when
1699         anonymous structs and unions present for C1X.  Accept flexible
1700         array members in structure with anonymous structs or unions but no
1701         directly named fields.
1702         * doc/extend.texi (Unnamed Fields): Update.
1703
1704 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
1705
1706         * gimple.h (compare_field_offset): Rename into...
1707         (gimple_compare_field_offset): ...this.
1708         * gimple.c (compare_field_offset): Rename into...
1709         (gimple_compare_field_offset): ...this.  Compare the full access if
1710         the offset is self-referential.
1711         (gimple_types_compatible_p): Adjust for above renaming.
1712         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
1713         DECL_NONADDRESSABLE_P flag of fields before merging them.
1714
1715 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
1716
1717         * tree.h (ctor_to_list): Delete.
1718         * tree.c (ctor_to_list): Delete.
1719
1720 2010-05-15  Jan Hubicka  <jh@suse.cz>
1721
1722         * ipa-reference.c: Include toplev.h
1723         (is_proper_for_analysis): Only add to all_module_statics
1724         if it is allocated.
1725         (write_node_summary_p, stream_out_bitmap,
1726         ipa_reference_write_optimization_summary,
1727         ipa_reference_read_optimization_summary): New.
1728         (struct ipa_opt_pass_d pass_ipa_reference): Add
1729         optimization summary streaming.
1730         * lto-cgraph.c (referenced_from_this_partition_p,
1731         reachable_from_this_partition_p): New functions.
1732         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
1733         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
1734         * opts.c (decode_options): Enable ipa_reference.
1735         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
1736         * lto-streamer.h (referenced_from_this_partition_p,
1737         reachable_from_this_partition_p): Declare.
1738
1739 2010-05-15  Richard Guenther  <rguenther@suse.de>
1740
1741         PR tree-optimization/44038
1742         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
1743         taking the address of a V_C_E of a constant.
1744
1745 2010-05-14  Jan Hubicka  <jh@suse.cz>
1746
1747         * tree.h (memory_identifier_string): Remove.
1748         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
1749         (ipa_reference_global_vars_info_d): Remove statics_not_read and
1750         statics_not_written.
1751         (ipa_reference_optimization_summary_d): New structure.
1752         (ipa_reference_optimization_summary_t): New type and vector.
1753         (ipa_reference_vars_info_d): Embedd structures instead of using
1754         pointers.
1755         (reference_vars_to_consider): Remove out of GGC space.
1756         (module_statics_escape): Remove.
1757         (global_info_obstack): Rename to ...
1758         (optimization_summary_obstack): ... this one.
1759         (initialization_status_t): Remove.
1760         (memory_identifier_string): Remove.
1761         (get_reference_vars_info): Fix indenting.
1762         (set_reference_vars_info): Likewise.
1763         (get_reference_optimization_summary): New.
1764         (set_reference_optimization_summary): New.
1765         (get_global_reference_vars_info): Remove.
1766         (ipa_reference_get_read_global): Remove.
1767         (ipa_reference_get_written_global): Remove.
1768         (ipa_reference_get_not_read_global): Update.
1769         (ipa_reference_get_not_written_global): Update.
1770         (is_proper_for_analysis): Outlaw addressable.
1771         (propagate_bits): Update for new datastructures.
1772         (analyze_variable): Remove.
1773         (init_function_info): Update for new datastructures.
1774         (clean_function_local_data): Remove.
1775         (clean_function): Remove.
1776         (copy_global_bitmap): Use optimizations_summary_obstack.
1777         (duplicate_node_data): Duplicate optimization summary only.
1778         (remove_node_data): Remove optimization summary only.
1779         (generate_summary): Do not analyze variables; do not compute
1780         module_statics_escape; do not prune solutions by it.
1781         (read_write_all_from_decl): Fix typos in comments.
1782         (propagate): Doscover readonly and nonaddressable first;
1783         update for new datastructures; share global bitmaps.
1784         * ipa-reference.h (ipa_reference_get_read_global,
1785         ipa_reference_get_written_global): Remove.
1786         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
1787         * Makefile.in: Remove ipa-refereference from GT files.
1788
1789 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR debug/44112
1792         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
1793         for all SYMBOL_REF_DECLs.
1794
1795 2010-05-14  Jan Hubicka  <jh@suse.cz>
1796
1797         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
1798         (varpool_all_refs_explicit_p): New inline function.
1799         * ipa-reference.c: Update comment.
1800         (module_statics_written): Remove.
1801         (get_static_decl): Remove.
1802         (ipa_init): Do not initialize module_statics_written.
1803         (analyze_function): Likewise.
1804         (generate_summary): Likewise; do not compute module_statics_readonly
1805         and do not update variable flags.
1806         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
1807         * ipa.c: Inlucde flags.h
1808         (cgraph_local_node_p): New.
1809         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
1810         promote functions to local.
1811         (ipa_discover_readonly_nonaddressable_vars): New function.
1812         (function_and_variable_visibility): Use cgraph_local_node_p.
1813         * varpool.c (varpool_finalize_decl): Set force_output for
1814         DECL_PRESERVE_P vars.
1815
1816 2010-05-14  Jan Hubicka  <jh@suse.cz>
1817
1818         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
1819
1820 2010-05-14  Richard Guenther  <rguenther@suse.de>
1821
1822         PR tree-optimization/44119
1823         * tree-ssa-pre.c (eliminate): Properly mark replacement of
1824         a PHI node necessary.
1825
1826 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
1827
1828         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
1829
1830 2010-05-14  Jason Merrill  <jason@redhat.com>
1831
1832         PR c++/44127
1833         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
1834         (gimple_call_set_nothrow): New.
1835         * gimple.c (gimple_build_call_from_tree): Call it.
1836         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
1837
1838         PR c++/44127
1839         * gimplify.c (gimplify_seq_add_stmt): No longer static.
1840         * gimple.h: Declare it.
1841         * gimple.c (gimple_build_eh_filter): No ops.
1842
1843 2010-05-14  Jan Hubicka  <jh@suse.cz>
1844
1845         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
1846         nodes already in queue.
1847         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
1848         re-enqueueing node.
1849
1850 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
1851
1852         PR debug/44136
1853         * cfgexpand.c (expand_debug_expr): If non-memory op0
1854         has BLKmode, return NULL.
1855
1856 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
1857
1858         * config.gcc: Add support for --with-cpu option for bdver1.
1859         * config/i386/i386.h (TARGET_BDVER1): New macro.
1860         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
1861         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
1862         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
1863         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
1864         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
1865         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
1866         (processor_type): Add PROCESSOR_BDVER1.
1867         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
1868         processor_type in config/i386/i386.h.
1869         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
1870         movaps <reg, reg> instead of movapd <reg, reg> when replacing
1871         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
1872         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
1873         to emit packed xor instead of packed double/packed integer
1874         xor for SSE and AVX when moving a zero value.
1875         * config/i386/sse.md: Add check for
1876         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
1877         movapd/movdqa for SSE and AVX.
1878         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
1879         single logical operations i.e and, or and xor instead of packed double
1880         logical operations for SSE and AVX.
1881         * config/i386/i386-c.c (ix86_target_macros_internal):
1882         Add PROCESSOR_BDVER1.
1883         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
1884         (has_fma4, has_xop): New.
1885         * config/i386/i386.c (bdver1_cost): New variable.
1886         (m_BDVER1): New macro.
1887         (m_AMD_MULTIPLE): Add m_BDVER1.
1888         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
1889         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
1890         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
1891         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
1892         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
1893         x86_tune_sse_partial_reg_dependency,
1894         x86_tune_sse_unaligned_load_optimal,
1895         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
1896         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
1897         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
1898         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
1899         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
1900         Enable/disable for bdver1.
1901         (processor_target_table): Add bdver1_cost.
1902         (cpu_names): Add bdver1.
1903         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
1904          processor_alias_table.
1905         (ix86_expand_vector_move_misalign): Change.
1906         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
1907         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
1908         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
1909         of movupd/movdqu for SSE and AVX.
1910         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
1911         (ix86_tune_adjust_cost): Add code for bdver1.
1912         (standard_sse_constant_opcode): Add check for
1913         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
1914         of packed double xor for SSE and AVX.
1915
1916 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
1917
1918         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
1919         result to unsigned.
1920
1921 2010-05-14  Tristan Gingold  <gingold@adacore.com>
1922
1923         * toplev.c (default_debug_hooks): Remove this variable.
1924         (process_options): Remove assignments to default_debug_hooks.
1925
1926 2010-05-14  Martin Jambor  <mjambor@suse.cz>
1927
1928         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
1929         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
1930         * langhooks.h (struct lang_hooks_for_decls): Removed field
1931         fold_obj_type_ref.
1932         * tree.c (free_lang_data): Remove assignment to
1933         lang_hooks.fold_obj_type_ref.
1934         * tree.def (OBJ_TYPE_REF): Update comment.
1935
1936 2010-05-14  Richard Guenther  <rguenther@suse.de>
1937
1938         PR tree-optimization/44124
1939         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
1940
1941 2010-05-14  Alan Modra  <amodra@gmail.com>
1942
1943         PR target/44075
1944         * config/rs6000/rs6000.c (struct machine_function): Reorder
1945         fields for better packing.  Add lr_save_state.
1946         (rs6000_ra_ever_killed): Return lr_save_state if set.
1947         (rs6000_emit_eh_reg_restore): Set lr_save_state.
1948
1949 2010-05-13  Jan Hubicka  <jh@suse.cz>
1950
1951         * varpool.c (decide_is_variable_needed): Drop code checking
1952         TREE_SYMBOL_REFERENCED.
1953
1954 2010-05-13  Jan Hubicka  <jh@suse.cz>
1955
1956         * final.c (output_addr_const): Do not call mark_decl_referenced.
1957         * cgraphunit.c (process_function_and_variable_attributes): Use
1958         mark_needed_node dirrectly.
1959         (assemble_thunk): Do not call mark_decl_referenced.
1960
1961 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
1962
1963         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
1964
1965 2010-05-13  Jeff Law  <law@redhat.com>
1966
1967         * ira-conflicts.c (print_allocno_conflicts): New function broken out
1968         from...
1969         (print_conflicts): Call print_allocno_conflicts.
1970
1971 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
1972
1973         PR debug/44104
1974         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
1975         if it is NULL.
1976
1977 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
1978
1979         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
1980         t-mingw-w64 or t-mingw-w32 for multilib configuration.
1981         * config/i386/t-mingw-w32: New.
1982         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
1983
1984 2010-05-13  Martin Jambor  <mjambor@suse.cz>
1985
1986         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
1987         gimple-fold.c).
1988         * gimple-fold.c (get_base_binfo_for_type): New function.
1989         (gimple_get_relevant_ref_binfo): Likewise.
1990         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1991         (gimple_fold_obj_type_ref): Likewise.
1992         (fold_gimple_call): Simplify condition for folding virtual calls
1993         and call gimple_fold_obj_type_ref.
1994         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
1995         (gimple_fold_obj_type_ref_known_binfo): Likewise.
1996
1997 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
1998
1999         * config/rs6000/rs6000-protos.h
2000         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
2001         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
2002         (rs6000_debug_mode_dependent_address)
2003         (rs6000_mode_dependent_address_ptr): Likewise.
2004
2005 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
2006
2007         PR debug/43983
2008         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
2009         by SRA.
2010         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
2011         * tree-sra.c (create_access_replacement): Call unshare_expr before
2012         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
2013         * dwarf2out.c: Include tree-flow.h.
2014         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
2015         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
2016         Handle DW_OP_bit_piece.
2017         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
2018         construct_piece_list, adjust_piece_list): New functions.
2019         (add_var_loc_to_decl): Handle SRA optimized variables.
2020         Adjust for var_loc_note to loc field renaming.
2021         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
2022         in VAR_LOCATION note.
2023         (new_loc_descr_op_bit_piece): New function.
2024         (dw_sra_loc_expr): New function.
2025         (dw_loc_list): Use it.  Don't handle the last range after the
2026         loop, handle it inside of the loop.  Adjust for var_loc_note
2027         to loc field renaming.
2028         (add_location_or_const_value_attribute): Only special case
2029         single entry loc lists if loc is NOTE_P.  Adjust for
2030         var_loc_note to loc field renaming.
2031         (dwarf2out_var_location): Don't set newloc->var_loc_note
2032         and newloc->next here.
2033
2034 2010-05-12  Jan Hubicka  <jh@suse.cz>
2035
2036         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
2037         flag.
2038         * cgraph.h (cgraph_only_called_directly_p,
2039         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
2040         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
2041         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
2042         (assemble
2043         * ipa.c (cgraph_remove_unreachable_nodes): Use
2044         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
2045         flags.
2046         * tree-inline.c (copy_bb): Check address_taken flag.
2047         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
2048         externally_visible flag.
2049
2050 2010-05-12  Jason Merrill  <jason@redhat.com>
2051
2052         PR bootstrap/44048
2053         PR target/44099
2054         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
2055         * sdbout.c (plain_type_1): Likewise.
2056         * dwarf2out.c (is_base_type): Likewise.
2057         (gen_type_die_with_usage): Likewise.  Generate
2058         DW_TAG_unspecified_type for any LANG_TYPE.
2059
2060 2010-05-12  Jan Hubicka  <jh@suse.cz>
2061
2062         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
2063         indrect edges too.
2064         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
2065         (cgraph_clone_edge): Update.
2066         (cgraph_node_remove_callees): Remove indirect calls too.
2067         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
2068         (cgraph_create_indirect_edge): Update prototype.
2069         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
2070         is_proper_for_analysis.
2071         (add_new_function, visited_nodes, function_insertion_hook_holder,
2072         get_local_reference_vars_info, mark_address_taken, mark_address,
2073         mark_load, mark_store, check_asm_memory_clobber, check_call,
2074         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
2075         (ipa_init): Do not initialize visited_nodes;
2076         function_insertion_hook_holder.
2077         (analyze_variable): Rewrite.
2078         (analyze_function): Rewrite.
2079         (copy_local_bitmap): Remove.
2080         (duplicate_node_dat): Do not duplicate local info.
2081         (generate_summary): Simplify to only walk cgraph.
2082         (write_node_summary_p, ipa_reference_write_summary,
2083         ipa_reference_read_summary): Remove.
2084         (propagate): Do not remove function insertion;
2085         generate summary.
2086         (pass_ipa_reference): NULLify summary handling fields.
2087         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
2088         (input_edge): Input ecf_flags.
2089         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
2090         (update_indirect_edges_after_inlining): Ignore edges with unknown
2091         param.
2092
2093 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
2094
2095         * implicit-zee.c: New file.
2096         * tree-pass.h (pass_implicit_zee): Declare.
2097         * passes.c (init_optimization_passes): Add zee pass.
2098         * common.opt (fzee): New flag.
2099         * timevar.def (TV_ZEE): Define.
2100         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
2101         and beyond.
2102         * Makefile.in (implicit-zee.o): Add new build file.
2103
2104 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2105             Nathan Froyd  <froydnj@codesourcery.com>
2106
2107         * c-common.c (sync_resolve_params): Remove write-only variable.
2108
2109 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
2110
2111         * target.h (struct gcc_target): Add mode_dependent_address_p field.
2112         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
2113         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
2114         * targhooks.c (default_mode_dependent_address_p): New function.
2115         * targhooks.h (default_mode_dependent_address_p): Declare function.
2116         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
2117         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
2118         * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
2119         target hook. Change return type to bool.
2120         * recog.h: (mode_dependent_address_p): Change return type to bool.
2121
2122 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2123             Nathan Froyd  <froydnj@codesourcery.com>
2124
2125         * tree-mudflap.c (build_function_type_0, build_function_type_1,
2126         build_function_type_2, build_function_type_3): Remove.
2127         (mudflap_init): Use build_function_type_list.
2128
2129 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2130             Nathan Froyd  <froydnj@codesourcery.com>
2131
2132         * coverage.c (build_fn_info_value): Call build_constructor instead of
2133         build_constructor_from_list.
2134         (build_ctr_info_value): Likewise.
2135         (build_gcov_info): Likewise.
2136
2137 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
2138
2139         * tree.c (build_constructor): Compute TREE_CONSTANT for the
2140         resultant constructor.
2141         (build_constructor_single): Don't set TREE_CONSTANT.
2142         (build_constructor_from_list): Don't compute TREE_CONSTANT.
2143
2144 2010-05-12  Jan Hubicka  <jh@suse.cz>
2145
2146         * cgraph.h (struct varpool_node): Add aux.
2147         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
2148         * varpool.c (varpool_remove_node): Do not remove initializer.
2149         (varpool_reset_queue): Export.
2150         (varpool_finalize_decl): Volatile vars are forced to be output.
2151         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
2152         replaced decl.
2153         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
2154         process_references, varpool_can_remove_if_no_refs): New functions.
2155         (cgraph_remove_unreachable_nodes): Handle variables too.
2156
2157 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2158
2159         PR target/44088
2160         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
2161
2162 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR middle-end/44085
2165         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
2166         change value of ORT_TASK.
2167         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
2168         (omp_notice_threadprivate_variable): New function.
2169         (omp_notice_variable): Call it for threadprivate variables.
2170         If enclosing ctx is a task, print enclosing task rather than
2171         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
2172         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
2173         if task has untied clause.
2174
2175         PR debug/42278
2176         * dwarf2out.c (base_type_die): Don't add name attribute here.
2177         (modified_type_die): Instead of sizetype use
2178         its underlying original type.  If a DW_TAG_base_type doesn't
2179         have name added, add __unknown__.
2180         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
2181         always call force_type_die instead.
2182
2183 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2184
2185         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
2186         for __stack_chk_guard.
2187
2188 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2189
2190         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
2191         don't call start_source_file debug hook here...
2192         (finish_options): ... but here, after outputting predefined and
2193         command line defines and undefs.
2194
2195         PR middle-end/44071
2196         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
2197         no fallthru edge.
2198         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
2199         optimizing away empty bb with no successors, move over its
2200         footer chain to fallthru predecessor.
2201         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
2202         (rtl_split_edge): For asm goto call patch_jump_insn even if
2203         splitting fallthru edge.
2204
2205         PR c++/44059
2206         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
2207         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
2208         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
2209         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
2210         on DW.ref.* decls.
2211
2212         PR c++/44062
2213         * c-parser.c (c_parser_expression): Mark LHS of a comma
2214         expression as read if it is a decl, handled component or
2215         COMPOUND_EXPR with that on the RHS.
2216         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
2217         if it is a decl or handled component.
2218
2219 2010-05-11  Jan Hubicka  <jh@suse.cz>
2220
2221         * lto-symtab.c (lto_symtab_free): New function.
2222         * lto-streamer.h (lto_symtab_free): Declare.
2223
2224 2010-05-11  Jan Hubicka  <jh@suse.cz>
2225
2226         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
2227         that if function is needed it is reachable.
2228         (lto_output_node): See if it the function is reachable or referenced.
2229         (output_cgraph): Update call of lto_output_node.
2230         * lto-streamer.h (reachable_from_other_partition_p): Declare.
2231
2232 2010-05-11  Jan Hubicka  <jh@suse.cz>
2233
2234         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
2235         Mark as used.
2236
2237 2010-05-11  Jan Hubicka  <jh@suse.cz>
2238
2239         PR tree-optimize/44063
2240         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
2241         queue.
2242         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
2243         limits.
2244         (estimate_function_body_sizes): Compute sizes even when disregarding.
2245
2246 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
2247
2248         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
2249
2250 2010-05-11  Jan Hubicka  <jh@suse.cz>
2251
2252         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
2253         into every boundary.
2254
2255 2010-05-11  Jan Hubicka  <jh@suse.cz>
2256
2257         * matrix-reorg.c (matrix_reorg): Rebuild edges.
2258
2259 2010-05-11  Jan Hubicka  <jh@suse.cz>
2260
2261         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
2262         lto_streamer_cache_delete): Put nodes into heap.
2263         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
2264         heap.
2265
2266 2010-05-11  Jan Hubicka  <jh@suse.cz>
2267
2268         * cgraphbuild.c (cgraph_rebuild_references): New.
2269         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
2270         out extern inlines.
2271         * cgraph.h (cgraph_rebuild_references): Declare.
2272         * tree-inline.c (tree_function_versioning): Use it.
2273         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
2274
2275 2010-05-11  Jan Hubicka  <jh@suse.cz>
2276
2277         * cgraph.c: Include ipa-utils.h
2278         (cgraph_create_virtual_clone): Update references.
2279         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
2280
2281 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2282
2283         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
2284         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
2285         cache size.
2286
2287 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2288
2289         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
2290
2291 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2292
2293         * gcc.c (execute): For -### don't quote arguments that
2294         contain just alphanumerics and _/-. characters.
2295         * doc/invoke.texi: Document that change for -###.
2296
2297         PR debug/44023
2298         * df-problems.c (struct dead_debug): Add to_rescan field.
2299         (dead_debug_init): Clear to_rescan field.
2300         (dead_debug_finish): Rescan all debug insns in to_rescan
2301         bitmap and free the bitmap.
2302         (dead_debug_insert_before): Instead of rescanning debug insns
2303         immediately queue their rescanning until dead_debug_finish.
2304         (df_note_bb_compute): After dead_debug_add do continue instead
2305         of break.
2306
2307 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
2308
2309         PR debug/44028
2310         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
2311         clear also INSN_REG_USE_LIST.
2312
2313 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2314
2315         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
2316
2317 2010-05-10  Jan Hubicka  <jh@suse.cz>
2318
2319         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
2320         commited change.
2321
2322 2010-05-10  Jan Hubicka  <jh@suse.cz>
2323
2324         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
2325         Allocate encoders.
2326         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
2327         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
2328         (lto_streamer_cache_create): Init alloc pool.
2329         (lto_streamer_cache_delete): Free alloc pool.
2330         * lto-streamer.h: Include alloc pool.
2331         (lto_streamer_cache_d): Use alloc pool.
2332         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
2333
2334 2010-05-10  Jan Hubicka  <jh@suse.cz>
2335
2336         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
2337         * cgraphbuild.c: Include except.h
2338         (record_type_list, record_eh_tables): New function.
2339         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
2340
2341 2010-05-10  Jan Hubicka  <jh@suse.cz>
2342
2343         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
2344         __frame_dummy_init_array_entry, force_to_data): Attribute as used
2345         rather than unused.
2346
2347 2010-05-10  Michael Matz  <matz@suse.de>
2348
2349         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
2350         (can_reassociate_p): Use FLOAT_TYPE_P.
2351         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
2352         (vect_force_simple_reduction): ... this.
2353         * tree-parloops.c (gather_scalar_reductions): Use
2354         vect_force_simple_reduction.
2355         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
2356         vect_is_simple_reduction, add modify argument, if true rewrite
2357         "a-b" into "a+(-b)".
2358         (vect_is_simple_reduction, vect_force_simple_reduction): New
2359         functions.
2360         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
2361
2362 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2363             Vladimir Makarov  <vmakarov@redhat.com>
2364
2365         PR rtl-optimization/44012
2366         * ira-build.c (remove_unnecessary_allocnos): Nullify
2367         regno_allocno_map of the removed allocno.
2368
2369 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2370
2371         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
2372         to /dev/null.
2373         * configure: Regenerate.
2374
2375 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2376
2377         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
2378         unused.
2379         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
2380         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
2381         support in Sun ld.
2382         * configure: Regenerate.
2383
2384 2010-05-10  Richard Guenther  <rguenther@suse.de>
2385
2386         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
2387         marked if the entry identifier is marked.
2388
2389 2010-05-10  Richard Guenther  <rguenther@suse.de>
2390
2391         * c-common.c (struct c_common_attributes): Add fnspec attribute.
2392         (handle_fnspec_attribute): New function.
2393         * gimple.h (gimple_call_return_flags): Declare.
2394         (gimple_call_arg_flags): Likewise.
2395         * gimple.c (gimple_call_arg_flags): New function.
2396         (gimple_call_return_flags): Likewise.
2397         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
2398         New argument flags.
2399         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
2400         return value flags.
2401         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
2402         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
2403         main work to ...
2404         (make_heapvar_for): ... this new function.
2405         (handle_rhs_call): Handle fnspec attribute argument specifiers.
2406         (handle_lhs_call): Likewise.
2407         (find_func_aliases): Adjust.
2408
2409 2010-05-10  Richard Guenther  <rguenther@suse.de>
2410
2411         PR tree-optimization/44050
2412         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
2413
2414 2010-05-10  Wei Guozhi  <carrot@google.com>
2415
2416         PR target/42879
2417         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
2418
2419 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
2420
2421         PR c/10676
2422         * c-typeck.c (lookup_field): Take a type directly.  Update
2423         recursive calls.
2424         (build_component_ref): Update call to lookup_field.
2425         (set_init_label): Use lookup_field to find initialized field.
2426         Handle returned list of fields like a sequence of designators.
2427
2428 2010-05-09  Richard Guenther  <rguenther@suse.de>
2429
2430         PR middle-end/44024
2431         * fold-const.c (tree_single_nonzero_warnv_p): Properly
2432         handle &FUNCTION_DECL.
2433
2434 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
2435
2436         PR c/4784
2437         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
2438         structures and unions recursively.
2439         (detect_field_duplicates): Move duplicate detection with a hash to
2440         detect_field_duplicates_hash.  Always use a hash if anonymous
2441         structures or unions are present.
2442         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
2443         give errors.
2444
2445 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2446
2447         PR target/44046
2448         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
2449         detect Atom, Core 2 and Core i7.
2450
2451 2010-05-09  Richard Guenther  <rguenther@suse.de>
2452
2453         * gcc.c (store_arg): Handle temporary file deletion for
2454         joined arguments.
2455
2456 2010-05-09  Richard Guenther  <rguenther@suse.de>
2457
2458         PR middle-end/44043
2459         * ipa-inline.c (estimate_function_body_sizes): Return after
2460         disregarding inline limits.
2461
2462 2010-05-09  Richard Guenther  <rguenther@suse.de>
2463
2464         * gcc.c (store_arg): Revert last change.
2465
2466 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2467
2468         PR middle-end/28685
2469         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
2470         (optimize_ops_list): Call it.
2471
2472 2010-05-08  Richard Guenther  <rguenther@suse.de>
2473
2474         PR tree-optimization/44030
2475         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
2476         NECESSARY flag if we propagate from a inserted expression.
2477
2478 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
2479
2480         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
2481         domain types as equal if they are both PLACEHOLDER_EXPRs.
2482
2483 2010-05-08  Richard Guenther  <rguenther@suse.de>
2484
2485         * lto-wrapper.c (run_gcc): Remove linker output from
2486         command line for LTRANS invocation.
2487
2488 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2489
2490         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
2491         lto-macho as lto_binary_reader.
2492         * target.h (struct gcc_target): New hooks lto_start and lto_end.
2493         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
2494         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
2495         in lto_start and lto_end calls.
2496         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
2497         magic numbers.
2498         (scan_prog_file): Update is_elf_or_coff call.
2499         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
2500
2501         * collect2.c (main): Fix enum comparison.
2502
2503         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
2504         Add prototypes.
2505         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
2506         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
2507         and TARGET_ASM_LTO_END.
2508         * darwin.c: Include obstack.h and lto-streamer.h.
2509         (lto_section_names_offset, lto_section_names_obstack,
2510         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
2511         global variables.
2512         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
2513         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
2514         to a temporary file.
2515         (darwin_asm_lto_end): New function.  Restore asm_out_file.
2516         (darwin_asm_named_section): For LTO sections, replace the name with
2517         the offset of the section name in a string table, and build this
2518         table.
2519         (darwin_file_start): Initialize global vars for LTO support.
2520         (darwin_file_end): If output to asm_out_file was redirected, append it
2521         to the proper asm_out_file here.  Add the section names section.
2522
2523 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
2524
2525         * c-pragma.c (pending_weak_d, pending_weak): New.
2526         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
2527         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
2528         handle_pragma_weak): Update the uses of pending_weaks.
2529
2530 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2531
2532         PR documentation/44016
2533         * doc/standards.texi (Standards): Link to unversioned
2534         cxx0x_status.html page.
2535
2536 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
2537
2538         PR target/43708
2539         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
2540         in addition to TREE_USED, to avoid "set but unused" warnings.
2541
2542 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2543
2544         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
2545         (is_loop_prefetching_profitable): Do not insert prefetches
2546         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
2547         times the prefetch ahead distance.
2548
2549 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2550
2551         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
2552         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
2553         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
2554         the unroll_factor.
2555
2556 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2557
2558         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
2559         a diagnostic info when the insn-to-mem ratio is too small.
2560
2561 2010-05-07  Richard Guenther <rguenther@suse.de>
2562
2563         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
2564         the linker plugin.
2565         (store_arg): Queue temp_filename for deletion instead of
2566         the whole argument.
2567
2568 2010-05-07  Richard Guenther  <rguenther@suse.de>
2569
2570         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
2571         (run_gcc): Handle LTRANS phase invocation.
2572         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
2573
2574 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
2575
2576         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
2577         this is also meaningful on PARM_DECLs and RESULT_DECLs.
2578
2579 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2580
2581         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
2582
2583 2010-05-07  Richard Guenther  <rguenther@suse.de>
2584
2585         PR tree-optimization/44020
2586         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
2587         code when PRE is not yet initialized.
2588
2589 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2590
2591         * config/mips/dbxmdebug.h: Remove.
2592         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
2593
2594 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
2595
2596         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
2597         with null pointer and also warn about ordered comparison of zero with
2598         pointer if -Wextra.
2599
2600 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
2601
2602         * graphite-blocking.c
2603         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
2604         * graphite-clast-to-gimple.c
2605         (clast_to_gcc_expression): Same.
2606         (precision_for_value): Same.
2607         (precision_for_interval): Same.
2608         (gcc_type_for_interval): Same.
2609         (graphite_create_new_guard): Same.
2610         (compute_bounds_for_level): Same.
2611         (graphite_create_new_loop_guard): Same.
2612         * graphite-interchange.c
2613         (build_linearized_memory_access): Same.
2614         (pdr_stride_in_loop): Same.
2615         (memory_strides_in_loop_1): Same.
2616         (memory_strides_in_loop): Same.
2617         (extend_scattering): Same.
2618         (psct_scattering_dim_for_loop_depth): Same.
2619         (pbb_number_of_iterations): Same.
2620         * graphite-poly.h
2621         (debug_iteration_domains): Same.
2622         * graphite-ppl.c
2623         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
2624         (ppl_set_inhomogeneous_gmp): Same.
2625         (ppl_strip_loop): Same.
2626         (ppl_lexico_compare_linear_expressions): Same.
2627         (ppl_read_polyhedron_matrix): Same.
2628         (ppl_max_for_le_pointset): Same.
2629         * graphite-ppl.h
2630         (ppl_read_polyhedron_matrix): Same.
2631         (tree_int_to_gmp): Same.
2632         (gmp_cst_to_tree): Same.
2633         (ppl_set_inhomogeneous): Same.
2634         (ppl_set_inhomogeneous_tree): Same.
2635         (ppl_set_coef): Same.
2636         (ppl_set_coef_tree): Same.
2637         * graphite-sese-to-poly.c
2638         (build_pbb_scattering_polyhedrons): Same.
2639         (build_scop_scattering): Same.
2640         (scan_tree_for_params_right_scev): Same.
2641         (scan_tree_for_params): Same.
2642         (find_params_in_bb): Same.
2643         (find_scop_parameters): Same.
2644         (add_upper_bounds_from_estimated_nit): Same.
2645         (build_loop_iteration_domains): Same.
2646         (add_condition_to_domain): Same.
2647         (pdr_add_memory_accesses): Same.
2648
2649 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
2650
2651         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
2652         CLooG's value_* macros to their respective mpz_* counterparts.
2653         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
2654         (graphite_create_new_loop_guard): Same.
2655         * graphite-interchange.c (build_linearized_memory_access): Same.
2656         (pdr_stride_in_loop): Same.
2657         (memory_strides_in_loop_1): Same.
2658         (1st_interchange_profitable_p): Same.
2659         * graphite-poly.c (extend_scattering): Same.
2660         (psct_scattering_dim_for_loop_depth): Same.
2661         (pbb_number_of_iterations): Same.
2662         (pbb_number_of_iterations_at_time): Same.
2663         * graphite-poly.h (new_1st_loop): Same.
2664         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
2665         (oppose_constraint): Same.
2666         (insert_constraint_into_matrix): Same.
2667         (ppl_set_inhomogeneous_gmp): Same.
2668         (ppl_set_coef_gmp): Same.
2669         (ppl_strip_loop): Same.
2670         (ppl_lexico_compare_linear_expressions): Same.
2671         (ppl_max_for_le_pointset): Same.
2672         (ppl_min_for_le_pointset): Same.
2673         (ppl_build_realtion): Same.
2674         * graphite-ppl.h (gmp_cst_to_tree): Same.
2675         (ppl_set_inhomogeneous): Same.
2676         (ppl_set_inhomogeneous_tree): Same.
2677         (ppl_set_coef): Same.
2678         (ppl_set_coef_tree): Same.
2679         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
2680         (build_scop_scattering): Same.
2681         (add_value_to_dim): Same.
2682         (scan_tree_for_params_right_scev): Same.
2683         (scan_tree_for_params_int): Same.
2684         (scan_tree_for_params): Same.
2685         (find_params_in_bb): Same.
2686         (find_scop_parameters): Same.
2687         (add_upper_bounds_from_estimated_nit): Same.
2688         (build_loop_iteration_domains): Same.
2689         (create_linear_expr_from_tree): Same.
2690         (add_condition_to_domain): Same.
2691         (pdr_add_memory_accesses): Same.
2692
2693 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
2694             Jason Merrill  <jason@redhat.com>
2695
2696         * c-common.c (c_common_reswords): Add nullptr.
2697         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
2698         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
2699         (gen_type_die_with_usage): Likewise.
2700         * dbxout.c (dbxout_type): Likewise.
2701         * sdbout.c (plain_type_1): Likewise.
2702
2703 2010-05-06  Jason Merrill  <jason@redhat.com>
2704
2705         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
2706         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
2707         ret appropriately.
2708         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
2709
2710         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
2711         stripping WITH_SIZE_EXPR.
2712         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
2713         change.
2714
2715 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2716
2717         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
2718         list of obsolete configurations.
2719         Disabled check for obsolete configurations.
2720         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
2721         Removed support for previous versions.
2722         * config/mips/iris.h: Removed.
2723         * config/mips/iris5.h: Removed.
2724         * config/mips/iris6.h: Merged old iris.h contents.
2725         (TARGET_IRIX): Removed.
2726         (DRIVER_SELF_SPECS): Removed mabi=32.
2727         (IDENT_ASM_OP): Removed undef.
2728         (STARTFILE_SPEC): Removed mabi=32.
2729         (ENDFILE_SPEC): Likewise.
2730         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
2731         (MACHINE_TYPE): Update for IRIX 6.5.
2732         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
2733         TARGET_IRIX by TARGET_IRIX6.
2734         (mips_file_start): Likewise.
2735         (mips_output_external): Remove IRIX 5/6 O32 support.
2736         (mips_output_function_prologue): Likewise.
2737         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
2738         TARGET_IRIX6.
2739         (TARGET_CPU_CPP_BUILTINS): Likewise.
2740         (TARGET_IRIX): Removed.
2741         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
2742         (MULTILIB_DIRNAMES): Removed 32.
2743         (MULTILIB_OSDIRNAMES): Removed ../lib.
2744         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
2745         (Specific, mips-sgi-irix5): Document removal.
2746         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
2747         Remove references to older IRIX 6 releases and the O32 ABI.
2748
2749 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR bootstrap/43994
2752         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
2753         instead of DF_REF_REAL_REG.
2754
2755 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
2756
2757         PR target/43888
2758         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
2759         handling to still return true for x64 targets.
2760
2761 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
2762
2763         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
2764
2765 2010-05-06  Jan Hubicka  <jh@suse.cz>
2766
2767         PR tree-optimization/43791
2768         * ipa-inline.c (update_caller_keys): Remove bogus
2769         disregard_inline_limits check.
2770
2771 2010-05-06  Michael Matz  <matz@suse.de>
2772
2773         PR tree-optimization/43984
2774         * tree-ssa-pre.c (inserted_phi_names): Remove.
2775         (inserted_exprs): Change to bitmap.
2776         (create_expression_by_pieces): Set bits, don't append to vector.
2777         (insert_into_preds_of_block): Don't handle inserted_phi_names.
2778         (eliminate): Don't look at inserted_phi_names, remove deleted
2779         insns from inserted_exprs.
2780         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
2781         (init_pre, fini_pre): Allocate and free bitmaps.
2782         (execute_pre): Insert insns on edges before elimination.
2783
2784 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
2785
2786         * tree.c (initializer_zerop): Handle STRING_CST.
2787
2788 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2789
2790         PR 40989
2791         * doc/invoke.texi (Wimplicit): Document as C only.
2792         * opts.c (common_handle_option): Add argument kind.
2793         (handle_option): Rename as read_cmdline_option. Factor out code to...
2794         (handle_option): ... here. New.
2795         (handle_options): Rename as read_cmdline_options.
2796         (decode_options): Update call.
2797         (set_option): Use option index instead of option pointer. Classify
2798         diagnostics correctly.
2799         (enable_warning_as_error): Call handle_option.
2800         * opts.h (set_option): Update declaration.
2801         (handle_option): Declare.
2802         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
2803         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
2804         * c-opts.c (set_Wimplicit): Delete.
2805         (c_family_lang_mask): New static constant.
2806         (c_common_handle_option): Add argument kind. Use handle_option
2807         instead of set_Wimplicit.
2808         (c_common_post_options): warn_implicit and warn_implicit_int
2809         are disabled by default.
2810         * c-common.c (warn_implicit): Do not define here.
2811         * c-common.h (warn_implicit): Do not declare here.
2812         (c_common_handle_option): Update declaration.
2813         * lto-opts.c (lto_reissue_options): Update call to set_option.
2814
2815 2010-05-06  Richard Guenther  <rguenther@suse.de>
2816
2817         PR tree-optimization/43571
2818         * domwalk.c (walk_dominator_tree): Walk the dominator
2819         sons in more optimal order.
2820
2821 2010-05-06  Richard Guenther  <rguenther@suse.de>
2822
2823         PR tree-optimization/43934
2824         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
2825         (stmt_cost): Likewise.
2826         (extract_true_false_args_from_phi): New helper.
2827         (determine_max_movement): For PHI nodes verify we can hoist them
2828         and compute their cost.
2829         (determine_invariantness_stmt): Handle PHI nodes.
2830         (move_computations_stmt): Likewise.  Hoist PHI nodes in
2831         if-converted form using COND_EXPRs.
2832         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
2833         (tree_ssa_lim): Likewise.
2834         * tree-flow.h (tree_ssa_lim): Adjust prototype.
2835         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
2836
2837 2010-05-06  Richard Guenther  <rguenther@suse.de>
2838
2839         PR tree-optimization/43987
2840         * tree-ssa-structalias.c (could_have_pointers): For possibly
2841         address-taken variables force pointers to be recorded.
2842         (create_variable_info_for_1): Likewise.
2843         (push_fields_onto_fieldstack): Pass in wheter all fields
2844         must have pointers.
2845         (find_func_aliases): Query types instead of vars whether
2846         they contain pointers where appropriate.
2847
2848 2010-05-06  Jan Hubicka  <jh@suse.cz>
2849
2850         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
2851         (record_reference, mark_address, mark_load, mark_store): Record
2852         references.
2853         (record_references_in_initializer): Update call of record_references.
2854         (rebuild_cgraph_edges): Remove all references before rebuiding.
2855         * cgraph.c (cgraph_create_node): Clear ref list.
2856         (cgraph_remove_node): Remove references.
2857         (dump_cgraph_node): Dump references.
2858         (cgraph_clone_node): Clone references.
2859         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
2860         (struct cgraph_node, varpool_node): Add ref_lst.
2861         * ipa-ref.c: New file.
2862         * ipa-ref.h: New file.
2863         * ipa-ref-inline.h: New file.
2864         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
2865         (referenced_from_other_partition_p): New function.
2866         (lto_output_varpool_node): Take set arugment; call
2867         referenced_from_other_partition.
2868         (lto_output_ref): New.
2869         (add_references): New.
2870         (output_refs): New.
2871         (output_cgraph): Compute boundary based on references; output refs.
2872         (output_varpool): Accept cgraph_node_set argument.
2873         (input_ref): New.
2874         (input_refs): New.
2875         (input_cgraph): Call input_refs.
2876         * lto-section-in.c (lto_section_name): Add refs.
2877         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
2878         (ipa-ref.o): New file.
2879         * varpool.c (varpool_node): Clear ipa ref list.
2880         (varpool_remove_node): Remove references.
2881         (dump_varpool_node): Dump references.
2882         (varpool_assemble_decl): Only compile finalized ones.
2883         (varpool_extra_name_alias): Initialize ref list.
2884         * lto-streamer.c (lto-get_section_name): Add .refs section.
2885         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
2886         (referenced_from_other_partition_p): Declared.
2887
2888 2010-05-06  Ira Rosen  <irar@il.ibm.com>
2889
2890         PR tree-optimization/43901
2891         * tree-vect-stmts.c (vectorizable_call): Assert that vector
2892         type is not NULL if it's transformation phase, and return
2893         FALSE if it's analysis.
2894         (vectorizable_conversion, vectorizable_operation,
2895         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
2896
2897 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
2898
2899         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2900         Delete.
2901         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
2902         New define.
2903         * config/mips/mips-protos.h
2904         (mips_small_register_classes_for_mode_p): Delete prototype.
2905
2906 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
2907
2908         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
2909         * config/arm/arm.c (multiple_operation_profitable_p,
2910         compute_offset_order): New static functions.
2911         (load_multiple_sequence, store_multiple_sequence): Use them.
2912         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
2913         memory offsets, not register numbers.
2914         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
2915
2916 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
2917
2918         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
2919         (get_pending_sizes, put_pending_size, put_pending_sizes):
2920         Update the uses of pending_sizes.
2921         * c-decl.c (store_parm_decls): Likewise.
2922         * c-tree.h (struct c_arg_info): Likewise.
2923         * tree.h: Update the prototype for get_pending_sizes and
2924         put_pending_sizes.
2925
2926 2010-05-05  Jason Merrill  <jason@redhat.com>
2927
2928         PR debug/43370
2929         * c-common.c (handle_aligned_attribute): Respect
2930         ATTR_FLAG_TYPE_IN_PLACE.
2931
2932         PR testsuite/43758
2933         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
2934         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2935         (TARGET_INITIALIZER): Use it.
2936         * c-common.c (attribute_takes_identifier_p): Call it.
2937         * c-common.h: Update prototype.
2938         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
2939         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
2940
2941 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
2942
2943         PR debug/43950
2944         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
2945         DW_ID_down_case for Fortran compilation units.
2946
2947 2010-05-05  Jan Hubicka  <jh@suse.cz>
2948
2949         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
2950         handle aliases.
2951
2952 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
2953
2954         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
2955         a variable-sized RESULT_DECL.
2956
2957 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
2958
2959         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
2960
2961 2010-05-05  Jason Merrill  <jason@redhat.com>
2962
2963         PR c++/43787
2964         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
2965         returns GS_OK.
2966         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
2967
2968 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
2969             Jakub Jelinek  <jakub@redhat.com>
2970
2971         PR debug/43478
2972         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
2973         (dead_debug_init, dead_debug_finish): New functions.
2974         (dead_debug_add, dead_debug_insert_before): Likewise.
2975         (df_note_bb_compute): Initialize a dead_debug object, add dead
2976         debug uses to it, insert debug bind insns before death insns,
2977         reset debug insns that refer to pending uses at the end.
2978         * rtl.h (make_debug_expr_from_rtl): New prototype.
2979         * varasm.c (make_debug_expr_from_rtl): New function.
2980
2981 2010-05-05  Jan Hubicka  <jh@suse.cz>
2982
2983         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
2984         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
2985         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
2986         lto_varpool_encoder_deref, lto_varpool_encoder_size,
2987         lto_varpool_encoder_encode_initializer_p,
2988         lto_set_varpool_encoder_encode_initializer): New functions.
2989         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
2990         call output_varpool.
2991         (input_varpool_node): Do not always set analyzed.
2992         (input_cgraph_1): Return vector of cgraph nodes.
2993         (input_varpool_1): Return vector of varpools.
2994         (input_cgraph): Free the vectors.
2995         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2996         output only initializers needed.
2997         (lto_output): Only call output_cgraph.
2998         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
2999         * lto-section-out.c (lto_new_out_decl_state): Initialize
3000         state->varpool_node_encoder.
3001         * lto-streamer.h (lto_varpool_encoder_d): New.
3002         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
3003         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
3004         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
3005         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
3006         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
3007         Declare.
3008         (output_varpool, input_varpool): Remove declarations.
3009
3010 2010-05-05  Jan Hubicka  <jh@suse.cz>
3011
3012         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
3013         with body can prevail.
3014
3015 2010-05-05  Jan Hubicka  <jh@suse.cz>
3016
3017         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
3018         size.
3019
3020 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3021
3022         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
3023
3024         * gengtype.h (erro_at_line): Constify pos argument.
3025
3026         * gengtype.c: Include hashtab.h.
3027         (enum gc_used): Document GC_MAYBE_POINTED_TO.
3028         (error_at_line): Constify pos argument.
3029         (do_typedef): Initialize p->opt field.
3030         (get_file_gtfilename): Fix comment typo.
3031         (struct walk_type_data): Constify line field.
3032         (get_output_file_for_structure): New function.
3033         (write_local_func_for_structure): Constify orig_s argument.
3034         Use get_output_file_for_structure.
3035         (write_func_for_structure): Use get_output_file_for_structure.
3036         (INDENT): New define.
3037         (dump_pair, dump_type, dump_type_list, dump_typekind)
3038         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
3039         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
3040         functions.
3041         (seen_types): New variable.
3042         (main): New variable do_dump.  Process "-d" command line option.
3043         Call dump_everything if dump requested.
3044
3045 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
3046
3047         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
3048         in a temporary instead of invoking the macro multiple times.
3049         (track_expr_p): Likewise.
3050
3051 2010-05-04  Neil Vachharajani <nvachhar@google.com>
3052
3053         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
3054         per new semantics.
3055         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
3056         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
3057         conditions for printing notes.
3058         * common.opt (-Wcoverage-mismatch): Allow negative, default to
3059         true, update documentation.
3060         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
3061
3062 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR c/43981
3065         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
3066         on dimen.
3067
3068 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3069
3070         PR target/43799
3071         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
3072         (*sse_prologue_save_insn1): Likewise.
3073         (SSE prologue save splitter): Likewise.
3074
3075 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3076
3077         * tree.c (free_lang_data_in_one_sizepos): New inline function.
3078         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
3079         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
3080         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
3081         all decls.  Call it on DECL_FIELD_OFFSET of fields.
3082         (find_decls_types_r): Follow DECL_VALUE_EXPR.
3083         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
3084
3085 2010-05-04  Martin Jambor  <mjambor@suse.cz>
3086
3087         * tree-sra.c (build_access_from_expr_1): The first parameter type
3088         changed to simple tree.
3089         (build_access_from_expr): Likewise, gsi parameter was eliminated.
3090         (scan_assign_result): Renamed to assignment_mod_result, enum elements
3091         renamed as well.
3092         (build_accesses_from_assign): Removed all parameters except for a
3093         simple gimple statement.  Now returns a simple bool.
3094         (scan_function): All non-analysis parts moved to separate functions
3095         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
3096         parameters and updated both callers.
3097         (sra_modify_expr): Removed parameter data.
3098         (sra_modify_function_body): New function.
3099         (perform_intra_sra): Call sra_modify_function_body to modify the
3100         function body.
3101         (replace_removed_params_ssa_names): Parameter data changed into
3102         adjustments vector.
3103         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
3104         changed the parameter dont_convert to convert with the opposite
3105         meaning.
3106         (sra_ipa_modify_assign): Parameter data changed into adjustments
3107         vector, return value changed to bool.
3108         (ipa_sra_modify_function_body): New function.
3109         (sra_ipa_reset_debug_stmts): Updated a comment.
3110         (modify_function): Use ipa_sra_modify_function_body to modify function
3111         body.
3112
3113 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3114
3115         PR middle-end/43671
3116         * alias.c (true_dependence): Handle the same VALUE in x and mem.
3117         (canon_true_dependence): Likewise.
3118         (write_dependence_p): Likewise.
3119
3120 2010-05-04  Jan Hubicka  <jh@suse.cz>
3121
3122         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
3123         * cgraphbuild.c: Include ipa-utils.h
3124         (record_reference_ctx): New struct.
3125         (record_reference): Simplify to work on initializers; not statements.
3126         (mark_address, mark_load, mark_store): New.
3127         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3128         walk PHI nodes too.
3129         (record_references_in_initializer): Update use of record_reference.
3130         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3131         walk PHI nodes too.
3132
3133 2010-05-04  Jan Hubicka  <jh@suse.cz>
3134
3135         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
3136         node will be removed anyway.
3137         (lto_varpool_replace_node): Allow also unanalyzed nodes;
3138         relink aliases of node into prevailing node.
3139         * varpool.c (varpool_remove_node): Remove aliases properly;
3140         when removing node, remove all its aliases too; remove DECL_INITIAL
3141         of removed node; ggc_free the varpool node.
3142
3143 2010-05-04  Richard Guenther  <rguenther@suse.de>
3144
3145         PR tree-optimization/43879
3146         * tree-ssa-structalias.c (alias_get_name): Use
3147         DECL_ASSEMBLER_NAME if available.
3148         (create_function_info_for): Return the varinfo node.
3149         (ipa_pta_execute): Associate same-body aliases and extra names
3150         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
3151
3152 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
3153
3154         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
3155
3156 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
3157
3158         PR bootstrap/43964
3159         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
3160         only if HONOR_REG_ALLOC_ORDER is not defined.
3161
3162 2010-05-04  Richard Guenther  <rguenther@suse.de>
3163
3164         PR tree-optimization/43949
3165         * tree-vrp.c (extract_range_from_binary_expr): Only handle
3166         TRUNC_MOD_EXPR.
3167
3168 2010-04-26  Jason Merrill  <jason@redhat.com>
3169
3170         * c.opt (-fstrict-enums): New.
3171         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
3172
3173 2010-05-03  David Ung <davidu@mips.com>
3174             James E. Wilson  <wilson@codesourcery.com>
3175
3176         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
3177         emit the trap instruction before the divide for TUNE_74K.
3178
3179 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
3180
3181         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
3182         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
3183         based on the above, for new target hook.
3184
3185         * hooks.c (hook_bool_mode_true): New generic hook.
3186         * hooks.h (hook_bool_mode_true): Add prototype.
3187
3188         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
3189         target hook.
3190         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
3191         target hook, set to hook_bool_mode_false.
3192         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
3193         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
3194         with targetm.small_register_classes_for_mode_p.
3195         (find_reusable_reload): Likewise.
3196         (combine_reloads): Likewise.
3197         * reload1.c (reload_as_needed): Likewise.
3198         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
3199         * ifcvt.c (noce_process_if_block, check_cond_move_block,
3200         dead_or_predicable): Likewise.
3201         * regmove.c (optimize_reg_copy_1): Likewise.
3202         * calls.c (prepare_call_address): Likewise.
3203         (precompute_register_parameters): Likewise.
3204
3205         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
3206         hook definition.
3207         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
3208         implementation of the hook that considers all register classes
3209         small except for SH64.
3210         (sh_override_options): Use the new hook.
3211         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
3212         Add prototype.
3213
3214         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
3215         hook definition.
3216         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
3217         implementation of the hook that considers all register classes
3218         small for THUMB1.
3219         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
3220         Add prototype.
3221
3222         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
3223         hook definition.
3224         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
3225         implementation of the hook that considers all register classes
3226         small for MIPS16.
3227         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
3228         Add prototype.
3229
3230         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
3231         hook definition.
3232         * config/m32c/m32c.h: Likewise.
3233         * config/pdp11/pdp11.h: Likewise.
3234         * config/avr/avr.h: Likewise.
3235         * config/xtensa/xtensa.h: Likewise.
3236         * config/m68hc11/m68hc11.h: Likewise.
3237         * config/mn10300/mn10300.h: Likewise.
3238         * config/mcore/mcore.h: Likewise.
3239         * config/h8300/h8300.h: Likewise.
3240         * config/bfin/bfin.h: Likewise.
3241
3242         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
3243         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
3244
3245 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
3246
3247         * double-int.h (tree_to_double_int): Remove macro.
3248         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
3249         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3250         (tree_to_double_int): New function.
3251         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
3252         Move ...
3253         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3254
3255 2010-05-03  Richard Guenther  <rguenther@suse.de>
3256
3257         PR tree-optimization/43971
3258         * tree-ssa-structalias.c (get_constraint_for_1): Fix
3259         constraints in the !flag_delete_null_pointer_checks case.
3260
3261 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
3262
3263         PR debug/43972
3264         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
3265         result mode matches original rtl mode.
3266
3267 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
3268
3269         PR target/43888
3270         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
3271
3272 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3273
3274         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
3275         when processing flag options.
3276
3277 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3278
3279         * gcov-iov.c (main): Change format string placeholder
3280         from %#08x to 0x%08x.
3281         * genchecksum.c (dosum): Change format string placeholder
3282         from %#02x to 0x%02x.
3283
3284 2010-05-02  Richard Guenther  <rguenther@suse.de>
3285
3286         PR tree-optimization/43879
3287         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
3288
3289 2010-05-02  Bruno Haible  <bruno@clisp.org>
3290
3291         * doc/extend.texi (Function Attributes): Fix a typo.
3292
3293 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3294
3295         Revert:
3296         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
3297         placeholder from 0x%x to %#x.
3298         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3299         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3300         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3301         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3302         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3303         * config/i386/i386.c (ix86_target_string): Ditto.
3304         * config/i386/i386.c (output_pic_addr_const): Ditto.
3305         (print_operand): Ditto.
3306
3307 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3308
3309         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
3310         placeholder from 0x%x to %#x.
3311         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
3312         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
3313         (ASM_OUTPUT_DEBUG_DATA): Ditto.
3314         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
3315         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
3316         * optc-gen.awk: Ditto.
3317         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
3318         (HOST_WIDE_INT_PRINT_HEX): Ditto.
3319         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
3320         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3321
3322 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
3323
3324         * target.h (struct calls): Add function_value_regno_p field.
3325         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
3326         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
3327         * targhooks.c (default_function_value_regno_p): New function.
3328         * targhooks.h (default_function_value_regno_p): Declare function.
3329         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
3330         * builtins.c. (apply_result_size): (Ditto.).
3331         * combine.c. (likely_spilled_retval_p): (Ditto.).
3332         * mode-switching.c. Include 'target.h'.
3333         (create_pre_exit): Use function_value_regno_p hook.
3334         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
3335         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
3336         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
3337
3338         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
3339         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
3340         (ix86_function_value_regno_p): Declare as static, change argument
3341         type to const unsigned int.
3342         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
3343
3344 2010-05-01  Richard Guenther  <rguenther@suse.de>
3345
3346         PR tree-optimization/43949
3347         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
3348         types.
3349         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
3350
3351 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
3352
3353         * rtl.h (CONST_DOUBLE_P): Define.
3354         (rtx_to_double_int): Declare.
3355         * emit-rtl.c (rtx_to_double_int): New function.
3356         * dwarf2out.c (insert_double): New function.
3357         (loc_descriptor, add_const_value_attribute): Clean up, use
3358         rtx_to_double_int and insert_double functions.
3359
3360 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
3361
3362         * doc/extend.texi (Inline): Add missing return keyword to examples.
3363         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
3364         "command-line".
3365
3366 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
3367
3368         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
3369         the variable part of the offset as well.  Use highest_pow2_factor for
3370         all alignment checks.
3371
3372 2010-04-30  Richard Guenther  <rguenther@suse.de>
3373
3374         PR tree-optimization/43879
3375         * tree-ssa-structalias.c (type_could_have_pointers): Functions
3376         can have pointers.
3377
3378 2010-04-30  Jan Hubicka  <jh@suse.cz>
3379
3380         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
3381         varpool.
3382         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
3383
3384 2010-04-30  Jan Hubicka  <jh@suse.cz>
3385
3386         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
3387         New.
3388         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
3389         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
3390         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
3391         cgraph_node_set_needs_ltrans_p): Remove.
3392
3393 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3394
3395         * sdbout.c: Include vec.h, do not include varray.h.
3396         (deferred_global_decls, sdbout_global_decl,
3397         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
3398         * toplev.c: Do not include varray.h.
3399         (dump_memory_report): Do not dump VARRAY statistics.
3400         * gengtype.c (open_base_file): Ignore varray.h.
3401         * Makefile.in: Update for abovementioned changes.
3402         Remove all traces of varray.c and varray.h.
3403         * varray.c: Remove file.
3404         * varray.h: Remove file.
3405
3406 2010-04-30  Jan Hubicka  <jh@suse.cz>
3407
3408         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
3409         references.
3410
3411 2010-04-30  Jan Hubicka  <jh@suse.cz>
3412
3413         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
3414         needed.
3415
3416 2010-04-30  Richard Guenther  <rguenther@suse.de>
3417
3418         * tree-ssa-structalias.c (get_constraint_for_1): Generate
3419         constraints for CONSTRUCTOR.
3420
3421 2010-04-30  Richard Guenther  <rguenther@suse.de>
3422
3423         PR lto/43946
3424         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
3425         first after all lowering passes.
3426
3427 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
3428
3429         * toplev.c: Include varray.h for statistics dumping.
3430         * tree.h: Do not declare varray_head_tag.
3431         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
3432         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
3433         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
3434         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
3435         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
3436         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
3437         c-common.c, c-common.h, reg-stack.c, basic-block.h,
3438         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
3439         include varray.h.
3440         * Makefile.in: Update for abovementioned changes.
3441
3442 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
3443
3444         PR debug/43942
3445         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
3446
3447 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
3448
3449         * config/picochip/picochip.c (picochip_legitimize_address): Define.
3450         Use this function to do machine-specific conversion.
3451         (picochip_legitimize_reload_address): Likewise.
3452         (picochip_legitimate_address_p): Check valid base register only if
3453         strict.
3454         (picochip_check_conditional_copy): Check for modw only if opnd is
3455         register.
3456         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
3457         to call the function in c.
3458         * config/picochip/picochip-protos.h
3459         (picochip_legitimize_reload_address): Define.
3460         * config/picochip/picochip.md (supported_compare1): Define.
3461
3462 2010-04-30  Jan Hubicka  <jh@suse.cz>
3463
3464         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
3465         (cgraph_global_info): Remove inlined.
3466         (LTO_cgraph_tag_names): Remove.
3467         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
3468         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
3469         simplify cgraph tags and document.
3470         (lto_output_node): Use only LTO_cgraph_unavail_node and
3471         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
3472         for_functions_valid, global info, process and output flags.
3473         (input_overwrite_node): Initialize estimated stack size and
3474         estimated growth.  Do not read flags we no longer store.
3475         (input_node): Likewise do not read info no longer stored.
3476         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
3477         flag.
3478
3479 2010-04-30  Richard Guenther  <rguenther@suse.de>
3480
3481         PR tree-optimization/43879
3482         * tree-ssa-structalias.c (get_constraint_for_1): Properly
3483         handle non-zero initializers.
3484
3485 2010-04-30  Richard Guenther  <rguenther@suse.de>
3486
3487         * builtins.c (fold_builtin_1): Delete free (0).
3488
3489 2010-04-29  Jan Hubicka  <jh@suse.cz>
3490
3491         * gengtype.c (open_base_files): Add lto-streamer.h
3492         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
3493         (pass_ipa_cp): GGC collect.
3494         * toplev. (compile_file): Do not output symbols.
3495         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
3496         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
3497         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
3498         * lto-section-in.c: Include ggc.h
3499         (lto_new_in_decl_state): Alloc in GGC.
3500         (lto_delete_in_decl_state): Likewise.
3501         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
3502         Collect.
3503
3504 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
3505
3506         PR target/42895
3507         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
3508         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
3509         (HONOR_REG_ALLOC_ORDER): Describe new macro.
3510         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
3511         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
3512         account only if HONOR_REG_ALLOC_ORDER is not defined.
3513         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
3514         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
3515
3516 2010-04-29  Jon Grant  <04@jguk.org>
3517
3518         * collect2.c (vflag): Change type from int to bool.
3519         (debug): Likewise.
3520         (helpflag): New global bool.
3521         (main): Set vflag and debug with boolean, not integer truth values.
3522         Accept new "--help" option and output usage text if found.
3523         * collect2.h (vflag): Update prototype.
3524         (debug): Likewise.
3525
3526 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
3527
3528         PR bootstrap/43936
3529         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
3530
3531 2010-04-29  Richard Guenther  <rguenther@suse.de>
3532
3533         PR bootstrap/43935
3534         * plugin.h (invoke_plugin_callbacks): Annotate arguments
3535         with ATTRIBUTE_UNUSED.
3536
3537 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
3538
3539         PR target/43921
3540         * config/i386/i386.c (get_some_local_dynamic_name): Replace
3541         INSN_P with NONDEBUG_INSN_P.
3542         (distance_non_agu_define): Likewise.
3543         (distance_agu_use): Likewise.
3544
3545 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
3546
3547         From Dominique d'Humieres <dominiq@lps.ens.fr>
3548         PR bootstrap/43858
3549         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
3550         test_set.
3551
3552 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
3553
3554         * plugin.h (invoke_plugin_callbacks): New inline function.
3555         * plugin.c (flag_plugin_added): New global flag.
3556         (add_new_plugin): Initialize above flag.
3557         (invoke_plugin_callbacks): Rename to ...
3558         (invoke_plugin_callbacks_full): ... this.
3559
3560 2010-04-28  Jan Hubicka  <jh@suse.cz>
3561
3562         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
3563         (lto_varpool_replace_node): New.
3564         (lto_symtab_resolve_symbols): Resolve varpool nodes.
3565         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
3566         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
3567         * cgraph.h (varpool_node_ptr): New type.
3568         (varpool_node_ptr): New vector.
3569         (varpool_node_set_def): New structure.
3570         (varpool_node_set): New type.
3571         (varpool_node_set): New vector.
3572         (varpool_node_set_element_def): New structure.
3573         (varpool_node_set_element, const_varpool_node_set_element): New types.
3574         (varpool_node_set_iterator): New type.
3575         (varpool_node): Add prev pointers, add used_from_other_partition,
3576         in_other_partition.
3577         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
3578         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
3579         varpool_get_node, varpool_remove_node): Declare.
3580         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
3581         varpool_node_set_size): New inlines.
3582         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
3583         * tree-pass.h (varpool_node_set_def): Forward declare.
3584         (ipa_opt_pass_d): Summary writting takes vnode sets too.
3585         (ipa_write_optimization_summaries): Update prototype.
3586         * ipa-cp.c (ipcp_write_summary): Update.
3587         * ipa-reference.c (ipa_reference_write_summary): Update.
3588         * lto-cgraph.c (lto_output_varpool_node): New static function.
3589         (output_varpool): New function.
3590         (input_varpool_node): New static function.
3591         (input_varpool_1): New function.
3592         (input_cgraph): Input varpool.
3593         * ipa-pure-const.c (pure_const_write_summary): Update.
3594         * lto-streamer-out.c (lto_output): Update, output varpool too.
3595         (write_global_stream): Kill WPA hack.
3596         (produce_asm_for_decls): Update.
3597         (output_alias_pair_p): Handle variables.
3598         (output_unreferenced_globals): Output only needed partition of varpool.
3599         * ipa-inline.c (inline_write_summary): Update.
3600         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
3601         cgraph.
3602         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
3603         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
3604         varpool_node_set_new, varpool_node_set_add,
3605         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
3606         debug_varpool_node_set): New functions.
3607         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
3608         (execute_one_pass): Process new decls too.
3609         (ipa_write_summaries_2): Pass around vsets.
3610         (ipa_write_summaries_1): Likewise.
3611         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
3612         to add.
3613         (ipa_write_optimization_summaries_1): Pass around vsets.
3614         (ipa_write_optimization_summaries): Likewise.
3615         * varpool.c (varpool_get_node): New.
3616         (varpool_node): Update doubly linked lists.
3617         (varpool_remove_node): New.
3618         (dump_varpool_node): More dumping.
3619         (varpool_enqueue_needed_node): Update doubly linked lists.
3620         (decide_is_variable_needed): Kill ltrans hack.
3621         (varpool_finalize_decl): Kill lto hack.
3622         (varpool_assemble_decl): Skip decls in other partitions.
3623         (varpool_assemble_pending_decls): Update doubly linkes lists.
3624         (varpool_empty_needed_queue): Likewise.
3625         (varpool_extra_name_alias): Likewise.
3626         * lto-streamer.c (lto_get_section_name): Add vars section.
3627         * lto-streamer.h (lto_section_type): Update.
3628         (output_varpool, input_varpool): Declare.
3629
3630 2010-04-28  Mike Stump  <mikestump@comcast.net>
3631
3632         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
3633
3634 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3635
3636         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
3637         record or union type with RECORD_OR_UNION_TYPE_P predicate.
3638         (lto_input_ts_type_tree_pointers): Likewise.
3639         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
3640         (lto_output_ts_type_tree_pointers): Likewise.
3641
3642 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3643
3644         Uniquization of constants at the Tree level
3645         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
3646         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
3647         bit to the end.
3648         (tree_output_constant_def): Declare.
3649         * gimplify.c (gimplify_init_constructor): When using block copy, first
3650         uniquize the constant constructor on the RHS.
3651         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
3652         DECL_IN_CONSTANT_POOL flag.
3653         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
3654         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
3655         constant pool.
3656         (assemble_variable): Deal with symbols belonging to the tree constant
3657         pool.
3658         (get_constant_section): Add ALIGN parameter and simplify.
3659         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
3660         (assemble_constant_contents): Use the expression of the VAR_DECL.
3661         (output_constant_def_contents): Use the alignment of the VAR_DECL.
3662         (tree_output_constant_def): New global function.
3663         (mark_constant): Use the expression of the VAR_DECL.
3664         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
3665         its expression.
3666         (output_object_block): Likewise and assemble the expression.
3667
3668 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
3669
3670         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
3671         hash_tree, eq_tree): New tree hash table.
3672         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
3673         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
3674         lto_orig_address_remove): Reimplement.
3675
3676 2010-04-28  Xinliang David Li  <davidxl@google.com>
3677
3678         PR c/42643
3679         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
3680         (compute_uninit_opnds_pos): New function.
3681         (is_non_loop_exit_postdominating): New function.
3682         (compute_control_dep_chain): New function.
3683         (find_pdom): New function.
3684         (convert_control_dep_chain_into_preds): New function.
3685         (find_predicates): New function.
3686         (find_control_equiv_block): New function.
3687         (collect_phi_def_edges): New function.
3688         (find_def_preds): New function.
3689         (find_dom): New function.
3690         (dump_predicates): New function.
3691         (get_cmp_code): New function.
3692         (is_value_included_in): New function.
3693         (find_matching_predicate_in_rest_chains): New function.
3694         (use_pred_not_overlap_with_undef_path_pred): New function.
3695         (is_use_properly_guarded): New function.
3696         (normalize_cond_1): New function.
3697         (is_and_or_or): New function.
3698         (normalize_cond): New function.
3699         (is_gcond_subset_of): New function.
3700         (is_subset_of_any): New function.
3701         (is_or_set_subset_of): New function.
3702         (is_and_set_subset_of): New function.
3703         (is_norm_cond_subset_of): New function.
3704         (is_pred_expr_subset_of): New function.
3705         (is_pred_chain_subset_of): New function.
3706         (is_included_in): New function.
3707         (is_superset_of): New function.
3708         (find_uninit_use): New function.
3709         (warn_uninitialized_phi): New function.
3710         (compute_possibly_undefined_names): New function.
3711         (ssa_undefined_value_p): New function.
3712         (execute_late_warn_uninitialized): New function.
3713         * tree-ssa.c (ssa_undefined_value_p): Removed.
3714         (warn_uninit): Changed to extern.
3715         (warn_uninitialized_phi): Removed.
3716         (warn_uninitialized_vars): Changed to extern.
3717         (execute_late_warn_uninitialized): Removed
3718         * tree-flow.h: Add new prototypes.
3719         * timevar.def: Add new time variable.
3720         * Makefile.in: Add new build file.
3721
3722 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
3723
3724         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
3725         type if available.
3726
3727 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3728
3729         PR target/22224
3730         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
3731
3732 2010-04-28  Martin Jambor  <mjambor@suse.cz>
3733
3734         * cgraph.h (struct cgraph_node): New field indirect_calls.
3735         (struct cgraph_indirect_call_info): New type.
3736         (struct cgraph_edge): Removed field indirect_call. New fields
3737         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
3738         (cgraph_create_indirect_edge): Declare.
3739         (cgraph_make_edge_direct): Likewise.
3740         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
3741         * ipa-prop.h (struct ipa_param_call_note): Removed.
3742         (struct ipa_node_params): Removed field param_calls.
3743         (ipa_create_all_structures_for_iinln): Declare.
3744         * cgraph.c: Described indirect edges and uids in initial comment.
3745         (cgraph_add_edge_to_call_site_hash): New function.
3746         (cgraph_edge): Search also among the indirect edges, use
3747         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
3748         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
3749         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
3750         site hash.
3751         (initialize_inline_failed): Assign a reason to indirect edges.
3752         (cgraph_create_edge_1): New function.
3753         (cgraph_create_edge): Moved some functionality to
3754         cgraph_create_edge_1.
3755         (cgraph_create_indirect_edge): New function.
3756         (cgraph_edge_remove_callee): Add an assert checking for
3757         non-indirectness.
3758         (cgraph_edge_remove_caller): Special-case indirect edges.
3759         (cgraph_remove_edge): Likewise.
3760         (cgraph_set_edge_callee): New function.
3761         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
3762         (cgraph_make_edge_direct): New function.
3763         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
3764         the declaration of the call statement matches.
3765         (cgraph_node_remove_callees): Special-case indirect edges.
3766         (cgraph_clone_edge): Likewise.
3767         (cgraph_clone_node): Clone also the indirect edges.
3768         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
3769         indirect_call, dump count of indirect_calls edges.
3770         * ipa-prop.c (iinlining_processed_edges): New variable.
3771         (ipa_note_param_call): Create indirect edges instead of
3772         creating notes.  New parameter node.
3773         (ipa_analyze_call_uses): New parameter node, pass it on to
3774         ipa_note_param_call.
3775         (ipa_analyze_stmt_uses): Likewise.
3776         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
3777         (print_edge_addition_message): Work on edges rather than on notes.
3778         (update_call_notes_after_inlining): Likewise, renamed to
3779         update_indirect_edges_after_inlining.
3780         (ipa_create_all_structures_for_iinln): New function.
3781         (ipa_free_node_params_substructures): Do not free notes.
3782         (ipa_edge_duplication_hook): Propagate bits within
3783         iinlining_processed_edges bitmap.
3784         (ipa_node_duplication_hook): Do not duplicate notes.
3785         (free_all_ipa_structures_after_ipa_cp): Renamed to
3786         ipa_free_all_structures_after_ipa_cp.
3787         (free_all_ipa_structures_after_iinln): Renamed to
3788         ipa_free_all_structures_after_iinln.
3789         (ipa_write_param_call_note): Removed.
3790         (ipa_read_param_call_note): Removed.
3791         (ipa_write_indirect_edge_info): New function.
3792         (ipa_read_indirect_edge_info): Likewise.
3793         (ipa_write_node_info): Do not stream notes, do stream information
3794         in indirect edges.
3795         (ipa_read_node_info): Likewise.
3796         (lto_ipa_fixup_call_notes): Removed.
3797         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
3798         * ipa-inline.c (pass_ipa_inline): Likewise.
3799         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
3800         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
3801         * tree-inline.c (copy_bb): Removed an unnecessary double check for
3802         is_gimple_call.
3803         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
3804         edges.
3805         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
3806         (output_cgraph): Stream also indirect edges.
3807         (lto_output_edge): Added capability to stream indirect edges.
3808         (input_edge): Likewise.
3809         (input_cgraph_1): Likewise.
3810         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
3811         of indirect edges.
3812
3813 2010-04-28  Richard Guenther  <rguenther@suse.de>
3814
3815         PR tree-optimization/43879
3816         PR tree-optimization/43909
3817         * tree-ssa-structalias.c (struct variable_info): Add
3818         only_restrict_pointers flag.
3819         (new_var_info): Initialize it.  Increment stats.total_vars here.
3820         (create_function_info_for): Do not increment stats.total_vars here.
3821         (get_function_part_constraint): Fix build with C++.
3822         (insert_into_field_list): Remove.
3823         (push_fields_onto_fieldstack): Properly merge fields.
3824         (create_variable_info_for): Split and simplify.
3825         (create_variable_info_for_1): New piece.
3826         (intra_create_variable_infos): Properly make restrict constraints
3827         from parameters.
3828
3829 2010-04-28  Richard Guenther  <rguenther@suse.de>
3830
3831         PR c++/43880
3832         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
3833
3834 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3835             Jan Hubicka <hubicka@ucw.cz>
3836
3837         * doc/invoke.texi (-Wsuggest-attribute=const,
3838         -Wsuggest-attribute=pure): Document.
3839         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
3840         (function_always_visible_to_compiler_p,
3841         suggest_attribute, warn_function_pure, warn_function_const):
3842         New functions.
3843         (check_call): Improve debug info.
3844         (analyze_function): Do not check availability.
3845         (add_new_function): Check availability.
3846         (propagate): Output warnings.
3847         (skip_function_for_local_pure_const): New function.
3848         (local_pure_const): Use it; output warnings.
3849         * common.opt (Wsuggest-attribute=const,
3850         Wsuggest-attribute=pure): New.
3851
3852 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
3853
3854         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
3855         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
3856         or DW_CFA_def_cfa_offset{,_sf}.
3857
3858 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3859
3860         * tree.h: Fix truncated long macros.
3861
3862 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
3863
3864         * collect2.c (TARGET_64BIT): Redefine to target's default.
3865         * tlink.c: Likewise.
3866         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
3867         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
3868         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
3869         for underscoring __USER_LABEL_PREFIX__.
3870         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
3871         (SUB_LINK_ENTRY32): New.
3872         (SUB_LINK_ENTRY64): New.
3873         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
3874         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
3875         (SUB_LINK_ENTRY64): New.
3876         (SUB_LINK_ENTRY): New.
3877         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
3878         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
3879         x64 target is choosen.
3880         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
3881         * configure: Regenerated.
3882         * configure.ac (leading-mingw64-underscores): Option added.
3883
3884 2010-04-27  Jan Hubicka  <jh@suse.cz>
3885
3886         * doc/invoke.texi (-fipa-profile): Document.
3887         * opts.c (decode_options): Enable ipa-profile at -O1.
3888         * timevar.def (TV_IPA_PROFILE): Define.
3889         * common.opt (fipa-profile): Add.
3890         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
3891         flag for clones.
3892         (cgraph_propagate_frequency): Handle only local ones.
3893         * tree-pass.h (pass_ipa_profile): Declare.
3894         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
3895         (pass_ipa_profile): Use TV_IPA_PROFILE.
3896         * ipa.c (ipa_profile): New function.
3897         (gate_ipa_profile): Likewise.
3898         (pass_ipa_profile): New global variable.
3899         * passes.c (pass_ipa_profile): New.
3900
3901 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
3902
3903         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
3904
3905 2010-04-27  Martin Jambor  <mjambor@suse.cz>
3906
3907         PR middle-end/43812
3908         * ipa.c (dissolve_same_comdat_group_list): New function.
3909         (function_and_variable_visibility): Call
3910         dissolve_same_comdat_group_list when comdat group contains external or
3911         newly local nodes.
3912         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
3913         lists are circular and that they contain only DECL_ONE_ONLY nodes.
3914
3915 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
3916
3917         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
3918         (const_hash_1) <VECTOR_CST>: New case.
3919         (compare_constant) <VECTOR_CST>: Likewise.
3920         <ADDR_EXPR>: Deal with LABEL_REFs.
3921         (copy_constant) <VECTOR_CST>: New case.
3922
3923 2010-04-27  Jan Hubicka  <jh@suse.cz>
3924
3925         * cgraph.c (cgraph_propagate_frequency): New function.
3926         * cgraph.h (cgraph_propagate_frequency): Declare.
3927         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
3928         cgraph_propagate_frequency.
3929
3930 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
3931
3932         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
3933
3934 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
3935
3936         PR target/40657
3937         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
3938         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
3939         here to determine which regs to push and how much stack to reserve.
3940
3941 2010-04-27  Jie Zhang  <jie@codesourcery.com>
3942
3943         * doc/gimple.texi (gimple_statement_with_ops): Remove
3944         addresses_taken field.
3945         (gimple_statement_with_memory_ops): Likewise.
3946
3947 2010-04-27  Jan Hubicka  <jh@suse.cz>
3948
3949         * tree-inline.c (eni_inlining_weights): Remove.
3950         (estimate_num_insns): Special case more builtins.
3951
3952 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
3953
3954         PR c/32207
3955         * c-typeck.c (build_binary_op): Move forward check for comparison
3956         pointer with null pointer constant and adjust the diagnostic message.
3957
3958 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
3959
3960         PR lto/42776
3961         * configure.ac (gcc_cv_as_section_has_align): Set if installed
3962         binutils supports extended .section directive needed by LTO, or
3963         warn if older binutils found.
3964         (LTO_BINARY_READER): New AC_SUBST'd variable.
3965         (LTO_USE_LIBELF): Likewise.
3966         * gcc/config.gcc (lto_binary_reader): New target-specific configure
3967         variable.
3968         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
3969         (LTO_USE_LIBELF): Likewise.
3970         * configure: Regenerate.
3971
3972         * collect2.c (is_elf): Rename from this ...
3973         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
3974          object files in addition to ELF-formatted ones.
3975         (scan_prog_file): Caller updated.  Also allow for LTO info marker
3976         symbol to be prefixed or not by an extra underscore.
3977
3978         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
3979         * config/i386/winnt.c: Also #include lto-streamer.h
3980         (i386_pe_asm_named_section): Specify 1-byte section alignment for
3981         LTO named sections.
3982         (i386_pe_asm_output_aligned_decl_common): Add comment.
3983         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
3984
3985 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
3986
3987         PR target/43889
3988         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
3989         Add missing earlyclobber for second alternative.
3990
3991 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
3992
3993         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
3994         bits for artificial defs at the top of the block.
3995         * fwprop.c (single_def_use_enter_block): Don't call it.
3996
3997 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
3998
3999         PR 43715
4000         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
4001         instead of "$gcc_cv_objdump -T".
4002         Use "-undefined dynamic_lookup" on darwin.
4003         * gcc/configure: Regenerate.
4004
4005 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
4006
4007         PR c/43893
4008         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
4009
4010 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
4011
4012         * c-parser.c (struct c_token): Move location field up.
4013         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
4014         (struct c_declspecs): Convert typespec_word, storage_class, and
4015         default_int_p into bitfields.
4016         (struct c_declarator): Move loc field up.
4017
4018 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
4019
4020         * cfgloop.h (struct loop): Move can_be_parallel field up.
4021         * ipa-prop.h (struct ip_node_params): Move bitfields up.
4022         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
4023         down.
4024         (struct iv_cand): Convert pos field into a bitfield.
4025         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
4026         field up.
4027         (struct _stmt_vec_info): Shuffle fields for better packing.
4028
4029 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
4030
4031         * varasm.c (IN_NAMED_SECTION): Remove guard.
4032         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
4033         (IN_NAMED_SECTION_P): ...this.
4034         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
4035         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4036
4037 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
4038
4039         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
4040         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
4041         of shadowing it.  Fix comments.
4042
4043 2010-04-26  Jan Hubicka  <jh@suse.cz>
4044
4045         * cgraph.c (cgraph_create_node): Set node frequency to normal.
4046         (cgraph_clone_node): Copy function frequency.
4047         * cgraph.h (node_frequency): New enum
4048         (struct cgraph_node): Add.
4049         * final.c (rest_of_clean_state): Update.
4050         * lto-cgraph.c (lto_output_node): Output node frequency.
4051         (input_overwrite_node): Input node frequency.
4052         * tre-ssa-loop-ivopts (computation_cost): Update.
4053         * lto-streamer-out.c (output_function): Do not output function
4054         frequency.
4055         * predict.c (maybe_hot_frequency_p): Update and handle functions
4056         executed once.
4057         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
4058         attribute lookup.
4059         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
4060         (compute_function_frequency): Set noreturn functions to be executed
4061         once.
4062         (choose_function_section): Update.
4063         * lto-streamer-in.c (input_function): Do not input function frequency.
4064         * function.c (allocate_struct_function): Do not initialize function
4065         frequency.
4066         * function.h (function_frequency): Remove.
4067         (struct function): Remove function frequency.
4068         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
4069         (try_update): Update.
4070         * tree-inline.c (initialize_cfun): Do not update function frequency.
4071         * passes.c (pass_init_dump_file): Update.
4072         * i386.c (ix86_compute_frame_layout): Update.
4073         (ix86_pad_returns): Update.
4074
4075 2010-04-26  Jie Zhang  <jie@codesourcery.com>
4076
4077         PR tree-optimization/43833
4078         * tree-vrp.c (range_int_cst_p): New.
4079         (range_int_cst_singleton_p): New.
4080         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
4081         when both operands are constants.  Use range_int_cst_p in
4082         BIT_IOR_EXPR case.
4083
4084 2010-04-26  Jan Hubicka  <jh@suse.cz>
4085
4086         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
4087
4088 2010-04-26  Richard Guenther  <rguenther@suse.de>
4089
4090         PR lto/43080
4091         * gimple.c (gimple_decl_printable_name): Deal gracefully
4092         with a NULL DECL_NAME.
4093
4094 2010-04-26  Richard Guenther  <rguenther@suse.de>
4095
4096         PR lto/42425
4097         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
4098         if emitting debug information and it is either a function
4099         or a namespace decl.
4100
4101 2010-04-26  Ira Rosen  <irar@il.ibm.com>
4102
4103         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
4104         determine if the statement is vectorizable, and a macro to access it.
4105         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4106         Skip statements that can't be vectorized. If the analysis fails,
4107         mark the statement as unvectorizable if vectorizing basic block.
4108         (vect_compute_data_refs_alignment): Likewise.
4109         (vect_verify_datarefs_alignment): Skip statements marked as
4110         unvectorizable. Add print.
4111         (vect_analyze_group_access): Skip statements that can't be
4112         vectorized. If the analysis fails, mark the statement as
4113         unvectorizable if vectorizing basic block.
4114         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
4115         * tree-vect-stmts.c (vectorizable_store): Fix the number of
4116         generated stmts for SLP.
4117         (new_stmt_vec_info): Initialize the new field.
4118         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
4119         statements marked as unvectorizable.
4120
4121 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
4122
4123         * c-common.c (flag_isoc1x): New.
4124         (flag_isoc99): Update comment.
4125         * c-common.h (flag_isoc1x): New.
4126         (flag_isoc99): Update comment.
4127         * c-cppbuiltin.c (builtin_define_float_constants): Also define
4128         __<type>_DECIMAL_DIG__.
4129         * c-opts.c (set_std_c1x): New.
4130         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
4131         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
4132         * c.opt (-std=c1x, -std=gnu1x): New options.
4133         * doc/cpp.texi: Mention -std=c1x.
4134         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
4135         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
4136         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
4137         * doc/standards.texi: Mention C1X.
4138         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
4139         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
4140         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
4141         Define for C1X.
4142
4143 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
4144
4145         * config/i386/gmon-sol2.c (_mcleanup): Change format string
4146         placeholder from 0x%x to %#x.
4147         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
4148         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
4149         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
4150         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
4151         * config/i386/i386.c (ix86_target_string): Ditto.
4152         (output_pic_addr_const): Ditto.
4153         (print_operand): Ditto.
4154
4155 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
4156
4157         * combine.c (find_split_point): Add third argument.  Use it
4158         to find nested multiply-accumulate instructions.  Adjust calls.
4159         (try_combine): Adjust call to find_split_point.
4160
4161 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
4162
4163         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
4164
4165 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
4166
4167         PR tree-optimization/41442
4168         * fold-const.c (merge_truthop_with_opposite_arm): New function.
4169         (fold_binary_loc): Call it.
4170
4171 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4172
4173         * toplev.c (general_init): Set default for fdiagnostics-show-option.
4174         * opts.c (common_handle_option): Allow disabling it.
4175         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
4176
4177 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4178
4179         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
4180         between modes if both types are integral.
4181
4182 2010-04-23  Richard Guenther  <rguenther@suse.de>
4183
4184         PR tree-optimization/43572
4185         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
4186
4187 2010-04-23  Richard Guenther  <rguenther@suse.de>
4188
4189         PR lto/43455
4190         * tree-inline.c (tree_can_inline_p): Also check compatibility
4191         of return types.
4192
4193 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4194
4195         PR tree-optimization/43846
4196         * tree-sra.c (struct access): New flag grp_assignment_read.
4197         (build_accesses_from_assign): Set grp_assignment_read.
4198         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
4199         (enum mark_read_status): New type.
4200         (analyze_access_subtree): Propagate grp_assignment_read, create
4201         accesses also if both direct_read and root->grp_assignment_read.
4202
4203 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4204
4205         PR middle-end/43835
4206         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
4207         function does not have type attributes.
4208
4209 2010-04-23  Richard Guenther  <rguenther@suse.de>
4210
4211         PR lto/42653
4212         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
4213         of FUNCTION_DECLs.
4214
4215 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4216
4217         * sese.h (create_if_region_on_edge): Remove.
4218
4219         * sese.c (create_if_region_on_edge): Make static.
4220
4221         * tree-inline.c: Do not include ggc.h.
4222
4223         * expr.c: Do not include ggc.h.
4224
4225         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
4226         dependencies.
4227
4228 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4229
4230         PR target/43744
4231         * config/sh/sh.c (find_barrier): Don't emit a constant pool
4232         in the middle of insns for casesi_worker_2.
4233
4234 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
4235
4236         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
4237
4238 2010-04-22  Ira Rosen  <irar@il.ibm.com>
4239
4240         PR tree-optimization/43842
4241         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
4242         loop unrolling in update of exit phis. Fix comment.
4243         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
4244         least two reduction statements in the loop before starting SLP
4245         analysis.
4246
4247 2010-04-22  Nick Clifton  <nickc@redhat.com>
4248
4249         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
4250
4251 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
4252
4253         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
4254         to simplify a + ~a.
4255
4256 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4257
4258         * tree-parloops.c (loop_parallel_p): New argument
4259         parloop_obstack.  Pass it down.
4260         (parallelize_loops): New variable parloop_obstack.  Initialize it,
4261         pass it down, free it.
4262
4263         * tree-loop-linear.c (linear_transform_loops): Pass down
4264         lambda_obstack.
4265
4266         * tree-data-ref.h (lambda_compute_access_matrices): New argument
4267         of type struct obstack *.
4268
4269         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
4270         scratch_obstack.  Initialize it, pass down, free it.
4271
4272         * lambda.h (lambda_loop_new): Remove.
4273         (lambda_matrix_new, lambda_matrix_inverse)
4274         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
4275         argument of type struct obstack *.
4276
4277         * lambda-trans.c (lambda_trans_matrix_new): New argument
4278         lambda_obstack.  Pass it down, use obstack allocation for ret.
4279         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
4280         it down.
4281
4282         * lambda-mat.c (lambda_matrix_get_column)
4283         (lambda_matrix_project_to_null): Remove.
4284         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
4285         allocation for mat.
4286         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
4287         lambda_obstack.
4288
4289         * lambda-code.c (lambda_loop_new): New function.
4290         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
4291         (lambda_compute_auxillary_space, lambda_compute_target_space)
4292         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
4293         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
4294         (build_access_matrix): New argument lambda_obstack.  Use obstack
4295         allocation for am.
4296         (lambda_compute_step_signs, lambda_compute_access_matrices): New
4297         argument lambda_obstack.  Pass it down.
4298
4299 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4300
4301         * optabs.h (expand_widening_mult): Declare.
4302
4303 2010-04-22  Richard Guenther  <rguenther@suse.de>
4304
4305         PR tree-optimization/43845
4306         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
4307         lookup the CALL_EXPR function and arguments.
4308
4309 2010-04-22  Nick Clifton  <nickc@redhat.com>
4310
4311         * config/stormy16/stormy16.c
4312         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
4313         * config/stormy16/stormy16.h: Tidy up formatting.
4314         (DONT_USE_BUILTIN_SETJMP): Remove definition.
4315         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
4316         (ineqbranchsi): Delete pattern.
4317         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
4318         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
4319         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
4320         stormy16-lib2-ucmpsi2.c.
4321
4322 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4323
4324         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
4325         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
4326         extra set merge_set_noclobber, and use it to relax the final test
4327         slightly.
4328         * df.h (df_simulate_find_noclobber_defs): Declare.
4329         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
4330         conditional defs.
4331         (df_simulate_find_noclobber_defs): New function.
4332
4333 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
4334
4335         * config/i386/i386.md: Use {} around multi-line preparation statements.
4336
4337 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4338
4339         * c-tree.h (push_init_level, pop_init_level, set_init_index)
4340         (process_init_element): New argument of type struct obstack *.
4341
4342         * c-typeck.c (push_init_level, pop_init_level, set_designator)
4343         (set_init_index, set_init_label, set_nonincremental_init)
4344         (set_nonincremental_init_from_string, find_init_member)
4345         (output_init_element, output_pending_init_elements)
4346         (process_init_element): New argument braced_init_obstack.  Pass it
4347         down.
4348         (push_range_stack, add_pending_init): New argument
4349         braced_init_obstack.  Use obstack allocation.
4350
4351         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
4352         braced_init_obstack.  Pass it down.
4353         (c_parser_braced_init): New variables ret, braced_init_obstack.
4354         Initialize obstack, pass it down and finally free it.
4355
4356 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4357
4358         PR middle-end/29274
4359         * tree-pass.h (pass_optimize_widening_mul): Declare.
4360         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
4361         gate_optimize_widening_mul): New static functions.
4362         (pass_optimize_widening_mul): New.
4363         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
4364         <case MULT_EXPR>: Remove support for widening multiplies.
4365         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
4366         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
4367         simplify_gen_unary rather than directly building extensions.
4368         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
4369         WIDEN_MULT_EXPR.
4370         * expmed.c (expand_widening_mult): New function.
4371         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
4372
4373 2010-04-21  Jan Hubicka  <jh@suse.cz>
4374
4375         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
4376         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
4377         * lto-wpa-fixup.c: Remove.
4378         * Makefile.in (lto-wpa-fixup.o): Remove.
4379         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
4380         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
4381         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
4382
4383 2010-04-21  Jan Hubicka  <jh@suse.cz>
4384
4385         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
4386         add write_optimization_summary, read_optimization_summary.
4387         (ipa_write_summaries_of_cgraph_node_set): Remove.
4388         (ipa_write_optimization_summaries): Declare.
4389         (ipa_read_optimization_summaries): Declare.
4390         * ipa-cp.c (pass_ipa_cp): Update.
4391         * ipa-reference.c (pass_ipa_reference): Update.
4392         * ipa-pure-const.c (pass_ipa_pure_const): Update.
4393         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
4394         Update.
4395         * ipa-inline.c (pass_ipa_inline): Update.
4396         * ipa.c (pass_ipa_whole_program): Update.
4397         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
4398         * passes.c (ipa_write_summaries_1): Do not test wpa.
4399         (ipa_write_optimization_summaries_1): New.
4400         (ipa_write_optimization_summaries): New.
4401         (ipa_read_summaries): Do not test ltrans.
4402         (ipa_read_optimization_summaries_1): New.
4403         (ipa_read_optimization_summaries): New.
4404
4405 2010-04-21  Jan Hubicka  <jh@suse.cz>
4406
4407         * lto-cgraph.c (lto_output_node): Do not output comdat groups
4408         for boundary nodes.
4409         (output_cgraph): Do not arrange comdat groups for boundary nodes.
4410
4411 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4412
4413         PR debug/40040
4414         * dwarf2out.c (add_name_and_src_coords_attributes): Add
4415         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
4416
4417 2010-04-21  Jan Hubicka  <jh@suse.cz>
4418
4419         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
4420
4421 2010-04-21  Jan Hubicka  <jh@suse.cz>
4422
4423         * varpool.c (decide_is_variable_needed): Variable is always needed
4424         during ltrans.
4425
4426 2010-04-21  Jan Hubicka  <jh@suse.cz>
4427
4428         * opts.c (decode_options): Enable pure-const pass for whopr.
4429
4430 2010-04-21  Jan Hubicka  <jh@suse.cz>
4431
4432         * cgraph.c (dump_cgraph_node): Dump also assembler name.
4433         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
4434         at WPA dumping.
4435         (cgraph_decide_inlining): Do not expect callee to be removed in all
4436         cases.
4437
4438 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
4439
4440         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
4441
4442 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
4443
4444         * config/i386/i386.md (x86_shrd): Add athlon_decode and
4445         amdfam10_decode attributes.
4446
4447 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4448
4449         PR middle-end/43570
4450         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
4451         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
4452         (lower_copyprivate_clauses): Use private var in outer
4453         context instead of original var.  Make sure the types
4454         are correct for VLAs.
4455
4456 2010-04-21  Richard Guenther  <rguenther@suse.de>
4457
4458         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
4459         to non-pointer objects.
4460
4461 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
4462
4463         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
4464         last chain entry if it starts with the still current label.
4465         (add_location_or_const_value_attribute): Check that
4466         loc_list->first->next is NULL instead of comparing ->first with ->last.
4467         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
4468         to add_var_loc_to_decl.
4469
4470         * dwarf2out.c (output_call_frame_info): For dw_cie_version
4471         >= 4 add also address size and segment size fields into CIE header.
4472
4473         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
4474         long as address size is the same as sizeof (void *) and
4475         segment size is 0.
4476         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
4477         address size or segment size is unexpected, return DW_EH_PE_omit.
4478         (classify_object_over_fdes): If get_cie_encoding returned
4479         DW_EH_PE_omit, return -1.
4480         (init_object): If classify_object_over_fdes returned -1,
4481         pretend there were no FDEs at all.
4482
4483 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
4484
4485         * config/i386/i386.md (bswap<mode>2): Macroize expander from
4486         bswap{si,di}2 using SWI48 mode iterator.
4487         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
4488         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
4489         set modrm attribute of bswap insn to 0 and remove length attribute.
4490         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
4491         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
4492         set mode attribute to <MODE> and remove length attribute.
4493
4494 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
4495
4496         PR rtl-optimization/43520
4497         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
4498         zero available registers.
4499
4500 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4501
4502         * builtins.c (fold_builtin_cproj): Fold more cases.
4503
4504 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4505
4506         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
4507         (fold_builtin_1): Fold builtin cproj.
4508         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
4509         Use ATTR_CONST_NOTHROW_LIST.
4510
4511 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
4512
4513         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
4514         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
4515         ffsi2_no_cmove for !TARGET_CMOVE.
4516         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
4517         (ffssi2): Remove expander.
4518         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
4519         mode iterator.
4520         (ctz<mode>2): Ditto from ctz{si,di}2.
4521         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
4522         mode iterator.
4523         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
4524         mode iterator.
4525
4526 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
4527
4528         * dwarf2out.c (AT_linkage_name): Define.
4529         (clone_as_declaration): Handle DW_AT_linkage_name.
4530         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
4531         of DW_AT_MIPS_linkage_name.
4532         (move_linkage_attr): Likewise.
4533         (dwarf2out_finish): Likewise.
4534
4535 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
4536
4537         PR middle-end/41952
4538         * fold-const.c (fold_comparison): New folding rule.
4539
4540 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
4541
4542         * double-int.h (double_int_setbit): Declare.
4543         * double-int.c (double_int_setbit): New function.
4544         * rtl.h (immed_double_int_const): Declare.
4545         * emit-rtl.c (immed_double_int_const): New function.
4546         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
4547         and immed_double_int_const functions.
4548         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
4549         expand_copysign_bit):  (Ditto.).
4550         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
4551         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
4552         * dojump.c (prefer_and_bit_test): (Ditto.).
4553         * expr.c (convert_modes, reduce_to_bit_field_precision,
4554         const_vector_from_tree): (Ditto.).
4555         * expmed.c (mask_rtx, lshift_value): (Ditto.).
4556
4557 2010-04-20  Jan Hubicka  <jh@suse.cz>
4558
4559         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
4560         (dump_cgraph_node): Dump new flags.
4561         * cgraph.h (struct cgraph_node): Add flags
4562         reachable_from_other_partition and in_other_partition.
4563         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
4564         other partition can not be removed.
4565         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
4566         the other partition must be output; silence sanity checking on
4567         leaking functions bodies from other paritition.
4568         * lto-cgraph.c (reachable_from_other_partition_p): New function.
4569         (lto_output_node): Output new flags; do not sanity check that inline
4570         clones are output; drop lto_forced_extern_inline_p code; do not mock
4571         visibility flags at partition boundaries.
4572         (add_node_to): New function.
4573         (output_cgraph): Use it to sort functions so masters appear before
4574         clones.
4575         (input_overwrite_node): Input new flags.
4576         * passes.c (ipa_write_summaries): Do not call
4577         lto_new_extern_inline_states.
4578         * lto-section-out.c (forced_extern_inline,
4579         lto_new_extern_inline_states lto_delete_extern_inline_states,
4580         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
4581         * lto-streamer.h (lto_new_extern_inline_states,
4582         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
4583         lto_forced_extern_inline_p): Kill.
4584
4585 2010-04-20  Richard Guenther  <rguenther@suse.de>
4586
4587         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
4588         from vars that can have pointers.
4589         (process_constraint): Dump useless constraints.
4590
4591 2010-04-20  Richard Guenther  <rguenther@suse.de>
4592
4593         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
4594         (dump_sa_points_to_info): Remove asserts.
4595         (init_base_vars): nothing_id isn't an escape point nor does it
4596         have pointers.
4597
4598 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
4599
4600         * tree.h (TYPE_REF_IS_RVALUE): Define.
4601         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
4602         should_move_die_to_comdat, prune_unused_types_walk): Handle
4603         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
4604         (modified_type_die, gen_reference_type_die): Emit
4605         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
4606         if TYPE_REF_IS_RVALUE and -gdwarf-4.
4607
4608 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4609
4610         PR target/43635
4611         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
4612         calls for -fpic -m31 if they have been sibcall optimized.
4613
4614 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
4615
4616         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
4617         ar.lc fixed and call-used.
4618
4619         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
4620
4621 2010-04-19  Jan Hubicka  <jh@suse.cz>
4622
4623         * opts.c (decode_options): Disable whpr incompatible passes.
4624         * lto/lto.c (lto_1_to_1_map): Skip clones.
4625         (read_cgraph_and_symbols): Do not mark everything as needed.
4626         (do_whole_program_analysis): Do map only after optimizing;
4627         set proper cgraph_state; use passmanager.
4628
4629 2010-04-19  DJ Delorie  <dj@redhat.com>
4630
4631         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
4632         POINTER_PLUS_EXPR and fix them.
4633
4634 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
4635
4636         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
4637         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
4638         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
4639         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
4640         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
4641         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
4642         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
4643         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
4644         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
4645         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
4646         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
4647
4648 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
4649
4650         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
4651         (check_cond_move_block): Likewise.
4652         (cond_move_process_if_block): Likewise.
4653         (noce_find_if_block): Improve formatting.
4654         (find_if_header): Pass 0 to memset and tweak conditions.
4655         (cond_exec_find_if_block): Fix long lines and tweak conditions.
4656
4657 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
4658
4659         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
4660         for -gdwarf-4.
4661
4662         PR middle-end/43337
4663         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
4664         with non-local decl doesn't need chain.
4665
4666 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
4667
4668         * ira-color.c (allocno_reload_assign): Avoid accumulating
4669         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
4670
4671 2010-04-19  Martin Jambor  <mjambor@suse.cz>
4672
4673         * gimple.h (create_tmp_reg): Declare.
4674         * gimplify.c (create_tmp_reg): New function.
4675         (gimplify_return_expr): Use create_tmp_reg.
4676         (gimplify_omp_atomic): Likewise.
4677         (gimple_regimplify_operands): Likewise.
4678         * tree-dfa.c (make_rename_temp): Likewise.
4679         * tree-predcom.c (predcom_tmp_var): Likewise.
4680         (reassociate_to_the_same_stmt): Likewise.
4681         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
4682         (get_replaced_param_substitute): Likewise.
4683         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
4684         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
4685         * tree-ssa-pre.c (get_representative_for): Likewise.
4686         (create_expression_by_pieces): Likewise.
4687         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
4688         (create_tailcall_accumulator): Likewise.
4689
4690 2010-04-19  Martin Jambor  <mjambor@suse.cz>
4691
4692         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
4693         new_stmt.
4694         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
4695
4696 2010-04-19  Richard Guenther  <rguenther@suse.de>
4697
4698         PR tree-optimization/43796
4699         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
4700         from SCEV in the lattice.
4701         (vrp_visit_phi_node): Dump change.
4702
4703 2010-04-19  Richard Guenther  <rguenther@suse.de>
4704
4705         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
4706         * configure: Re-generated.
4707
4708 2010-04-19  Richard Guenther  <rguenther@suse.de>
4709
4710         PR tree-optimization/43783
4711         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
4712         constant ARRAY_REF operands two and three if possible.
4713
4714 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
4715
4716         PR target/43766
4717         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
4718
4719 2010-04-19  Jie Zhang  <jie@codesourcery.com>
4720
4721         PR target/43662
4722         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
4723
4724 2010-04-19  Ira Rosen  <irar@il.ibm.com>
4725
4726         PR tree-optimization/37027
4727         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
4728         and macro to access it.
4729         (vectorizable_reduction): Add argument.
4730         (vect_get_slp_defs): Likewise.
4731         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
4732         statements for possible use in SLP.
4733         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
4734         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
4735         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
4736         add new argument.
4737         (vectorizable_reduction): Likewise.
4738         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
4739         vect_get_slp_defs.
4740         (vectorizable_type_demotion, vectorizable_type_promotion,
4741         vectorizable_store): Likewise.
4742         (vect_analyze_stmt): Update call to vectorizable_reduction.
4743         (vect_transform_stmt): Likewise.
4744         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
4745         (vect_build_slp_tree): Fix indentation. Check that there are no loads
4746         from different interleaving chains in same node.
4747         (vect_slp_rearrange_stmts): New function.
4748         (vect_supported_load_permutation_p): Allow load permutations for
4749         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
4750         inside SLP nodes if necessary.
4751         (vect_analyze_slp_instance): Handle reductions.
4752         (vect_analyze_slp): Try to build SLP instances originating from groups
4753         of reductions.
4754         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
4755         (vect_get_constant_vectors): Create initial vectors for reductions
4756         according to reduction code. Add new argument.
4757         (vect_get_slp_defs): Add new argument, pass it to
4758         vect_get_constant_vectors.
4759         (vect_schedule_slp_instance): Remove SLP tree root statements.
4760
4761 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
4762
4763         * tree.h (ENUM_IS_SCOPED): Define.
4764         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
4765         for ENUM_IS_SCOPED enums.
4766
4767 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
4768
4769         * fold-const.c (fold_comparison): Use ssizetype.
4770         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
4771         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
4772         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
4773         * tree-object-size.c (compute_object_sizes): Use size_type_node.
4774
4775         * tree.h (initialize_sizetypes): Remove parameter.
4776         (build_common_tree_nodes): Remove second parameter.
4777         * stor-layout.c (initialize_sizetypes): Remove parameter.
4778         Always create an unsigned type.
4779         (set_sizetype): Assert that the passed type is unsigned and simplify.
4780         * tree.c (build_common_tree_nodes): Remove second parameter.
4781         Adjust call to initialize_sizetypes.
4782         * c-decl.c (c_init_decl_processing): Remove second argument in call to
4783         build_common_tree_nodes.
4784
4785 2010-04-18  Matthias Klose  <doko@ubuntu.com>
4786
4787         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
4788
4789 2010-04-18  Ira Rosen  <irar@il.ibm.com>
4790
4791         PR tree-optimization/43771
4792         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
4793         load permutation doesn't have gaps.
4794
4795 2010-04-18  Jan Hubicka  <jh@suse.cz>
4796
4797         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
4798         (sse_prologue_save_insn expander): Use new pattern.
4799         (sse_prologue_save_insn1): New pattern and splitter.
4800         (sse_prologue_save_insn): Update to deal also with 64bit aligned
4801         blocks.
4802         * i386.c (setup_incoming_varargs_64): Do not compute jump
4803         destination here.
4804         (ix86_gimplify_va_arg): Update alignment needed.
4805         (ix86_local_alignment): Do not align all local arrays to 128bit.
4806
4807 2010-04-17  Jan Hubicka  <jh@suse.cz>
4808
4809         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
4810
4811 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4812
4813         * arm.md (negdi2): Remove redundant code to force values into a
4814         register.
4815
4816 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4817
4818         * arm/bpabi.S: Add EABI alignment attributes to objects.
4819         * arm/bpabi-v6m.S: Likewise.
4820         * arm/crti.asm: Likewise.
4821         * arm/crtn.asm: Likewise.
4822         * arm/lib1funcs.asm: Likewise.
4823         * arm/libunwind.S: Likewise.
4824
4825 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
4826
4827         * arm-protos.h (tune_params): New structure.
4828         * arm.c (current_tune): New variable.
4829         (arm_constant_limit): Delete.
4830         (struct processors): Add pointer to the tune parameters.
4831         (arm_slowmul_tune): New tuning option.
4832         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
4833         (all_cores): Adjust to pick up the tuning model.
4834         (arm_constant_limit): New function.
4835         (arm_override_options): Select the appropriate tuning model.  Delete
4836         initialization of arm_const_limit.
4837         (arm_split_constant): Use the new constant-limit model.
4838         (arm_rtx_costs): Pick up the current tuning model.
4839         * arm.md (is_strongarm, is_xscale): Delete.
4840         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
4841         for Xscale variant architectures.
4842         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
4843
4844 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4845
4846         * config/arm/arm.c (arm_gen_constant): Remove unused variable
4847         can_shift.
4848         (arm_rtx_costs_1): Remove unused variable extra_cost.
4849         (arm_unwind_emit_set): Use variable offset.
4850         (thumb1_output_casesi): Remove unused variable flags.
4851
4852 2010-04-16  Jeff Law  <law@redhat.com>
4853
4854         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
4855         needing assignment rather than doing a two-phase assignment.  Remove
4856         unused variable 'm'.
4857
4858 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4859
4860         PR bootstrap/43767
4861         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
4862
4863 2010-04-16  Doug Kwan  <dougkwan@google.com>
4864
4865         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
4866         (next_operand_entry_id): New static variable.
4867         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
4868         (add_to_ops_vec): Assigned unique ID to operand entry.
4869         (struct oecount_s): New field ID.
4870         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
4871         (undistribute_ops_list): Assign unique IDs to oecounts.
4872         (init_reassoc): reset next_operand_entry_id.
4873
4874 2010-04-16  Doug Kwan  <dougkwan@google.com>
4875
4876         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
4877         missing left parenthesis.
4878
4879 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
4880
4881         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
4882         *btdi_rex64 using SWI48 mode iterator.
4883         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
4884         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
4885         *jcc_btdi_mask_rex64.
4886
4887 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
4888
4889         * double-int.h (tree_to_double_int): Convert to macro.
4890         * double-int.c (tree_to_double_int): Remove.
4891
4892 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4893
4894         PR debug/43762
4895         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
4896         with want_address 2 and in case a single element list might be
4897         possible, call it again with want_address 0.
4898
4899 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
4900
4901         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
4902         case 'W' print operands for HI mode.
4903         * config/h8300/h8300.h (Y0, Y2) : New constraints.
4904         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
4905         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
4906         * config/h8300/predicate.md (bit_register_indirect_operand): New.
4907
4908         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
4909
4910         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
4911         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
4912         #xx:3 and #xx:4 mode.
4913
4914         * config/h8300/h8300.md (inverted load with HImode dest): Add
4915         support for H8300SX.
4916
4917         * config/h8300/predicate.md (bit_operand): Allow immediate values that
4918         satisfy 'U' constraint.
4919
4920 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4921
4922         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
4923         * configure: Regenerate.
4924         * config.in: Regenerate.
4925         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
4926         works.
4927
4928 2010-04-16  Richard Guenther  <rguenther@suse.de>
4929
4930         * tree.h (struct tree_decl_minimal): Move pt_uid ...
4931         (struct tree_decl_common): ... here.
4932         (DECL_PT_UID): Adjust.
4933         (SET_DECL_PT_UID): Likewise.
4934         (DECL_PT_UID_SET_P): Likewise.
4935
4936 2010-04-16  Richard Guenther  <rguenther@suse.de>
4937
4938         PR tree-optimization/43572
4939         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
4940         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
4941         * tree-flow.h (is_call_clobbered): Remove.
4942         * tree-flow-inline.h (is_call_clobbered): Likewise.
4943         * tree-dfa.c (dump_variable): Do not dump call clobber state.
4944         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
4945         (execute_return_slot_opt): Adjust.
4946         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
4947         check for call clobbered vars here.
4948         (find_tail_calls): Move tailcall verification to the
4949         proper place.
4950
4951 2010-04-16  Diego Novillo  <dnovillo@google.com>
4952
4953         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
4954
4955 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
4956
4957         PR target/40603
4958         * config/arm/arm.md (cbranchqi4): New pattern.
4959         * config/arm/predicates.md (const0_operand,
4960         cbranchqi4_comparison_operator): New predicates.
4961
4962 2010-04-16  Richard Guenther  <rguenther@suse.de>
4963
4964         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
4965         (dump_gimple_stmt): Likewise.
4966
4967 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
4968
4969         * recog.h (struct recog_data): New field is_operator.
4970         (struct insn_operand_data): New field is_operator.
4971         * recog.c (extract_insn): Set recog_data.is_operator.
4972         * genoutput.c (output_operand_data): Emit code to set the
4973         is_operator field.
4974         * reload.c (find_reloads): Use it rather than testing for an
4975         empty constraint string.
4976
4977         PR target/41514
4978         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
4979         If the previous insn is a cbranchsi4_insn with the same arguments,
4980         omit the compare instruction.
4981
4982         * config/arm/arm.md (addsi3_cbranch): If destination is a high
4983         register, inputs must be low registers and we need a low register
4984         scratch.  Handle alternative 2 like alternative 3.
4985
4986 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
4987
4988         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
4989         don't call get_addr on both.  If one expression is a VALUE and
4990         the other a REG, check VALUE's locs if the REG isn't among them.
4991
4992 2010-04-16  Christian Bruel  <christian.bruel@st.com>
4993
4994         * config/sh/sh.h (sh_frame_pointer_required): New function.
4995         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
4996         (flag_omit_frame_pointer) Set.
4997         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
4998         (rounded_frame_size): Adjust size with outgoing_args_size.
4999         (sh_set_return_address): Must return from stack pointer.
5000         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
5001         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
5002         (ACCUMULATE_OUTGOING_ARGS): Define.
5003         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
5004         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
5005
5006 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5007
5008         PR target/43471
5009         * config/sh/sh.c (sh_legitimize_reload_address): Use
5010         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
5011         Remove a unneeded check for offset_base.
5012
5013 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
5014
5015         * configure: Regenerated.
5016
5017 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5018
5019         * config/s390/s390.c (s390_call_save_register_used): Switch back
5020         to HARD_REGNO_NREGS.
5021
5022 2010-04-15  Richard Guenther  <rguenther@suse.de>
5023
5024         * alias.c (alias_set_subset_of): Handle alias-set zero
5025         child properly.
5026
5027 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
5028             Julian Brown  <julian@codesourcery.com>
5029
5030         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
5031         alternatives according to use of high and low regs.
5032         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
5033         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
5034         optimizing for size on Thumb-2.
5035
5036 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
5037
5038         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
5039
5040 2010-04-15  Richard Guenther  <rguenther@suse.de>
5041
5042         * tree-ssa-structalias.c (struct variable_info): Add
5043         is_fn_info flag.
5044         (new_var_info): Initialize it.
5045         (dump_constraints): Support printing last added constraints.
5046         (debug_constraints): Adjust.
5047         (dump_constraint_graph): Likewise.
5048         (make_heapvar_for): Check for NULL cfun.
5049         (get_function_part_constraint): New function.
5050         (get_fi_for_callee): Likewise.
5051         (find_func_aliases): Properly implement IPA PTA constraints.
5052         (process_ipa_clobber): New function.
5053         (find_func_clobbers): Likewise.
5054         (insert_into_field_list_sorted): Remove.
5055         (create_function_info_for): Properly allocate vars for IPA mode.
5056         Do not use insert_into_field_list_sorted.
5057         (create_variable_info_for): Properly generate constraints for
5058         global vars in IPA mode.
5059         (dump_solution_for_var): Always dump the solution.
5060         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
5061         (find_what_var_points_to): Adjust.
5062         (pt_solution_set): Change.
5063         (pt_solution_ior_into): New function.
5064         (pt_solution_empty_p): Export.
5065         (pt_solution_includes_global): Adjust.
5066         (pt_solution_includes_1): Likewise.
5067         (pt_solutions_intersect_1): Likewise.
5068         (dump_sa_points_to_info): Check some invariants.
5069         (solve_constraints): Move constraint dumping ...
5070         (compute_points_to_sets): ... here.
5071         (ipa_pta_execute): ... and here.
5072         (compute_may_aliases): Do not re-compute points-to info
5073         locally if IPA info is available.
5074         (ipa_escaped_pt): New global var.
5075         (ipa_pta_execute): Properly implement IPA PTA.
5076         * tree-into-ssa.c (dump_decl_set): Support dumping
5077         decls not in referenced-vars.
5078         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
5079         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
5080         (dump_points_to_solution): Likewise.
5081         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
5082         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
5083         (remap_gimple_stmt): Reset call clobber/use information if necessary.
5084         (copy_decl_to_var): Copy DECL_PT_UID.
5085         (copy_result_decl_to_var): Likewise.
5086         * tree.c (make_node_stat): Initialize DECL_PT_UID.
5087         (copy_node_stat): Copy it.
5088         * tree.h (DECL_PT_UID): New macro.
5089         (SET_DECL_PT_UID): Likewise.
5090         (DECL_PT_UID_SET_P): Likewise.
5091         (struct tree_decl_minimal): Add pt_uid member.
5092         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
5093         (pt_solution_empty_p): Declare.
5094         (pt_solution_set): Adjust.
5095         (ipa_escaped_pt): Declare.
5096         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
5097         * gimple-pretty-print.c (pp_points_to_solution): New function.
5098         (dump_gimple_call): Dump call clobber/use information.
5099         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
5100         * tree-pass.h (TDF_ALIAS): New dump option.
5101         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
5102         * doc/invoke.texi (-fipa-pta): Update documentation.
5103
5104 2010-04-15  Richard Guenther  <rguenther@suse.de>
5105
5106         * Makefile.in (OBJS-common): Add gimple-fold.o.
5107         (gimple-fold.o): New rule.
5108         * tree.h (maybe_fold_offset_to_reference,
5109         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
5110         prototypes ...
5111         * gimple.h: ... here.
5112         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
5113         may_propagate_address_into_dereference): Move prototypes ...
5114         * gimple.h: ... here.
5115         * tree-ssa-ccp.c (get_symbol_constant_value,
5116         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
5117         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
5118         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
5119         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
5120         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
5121         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
5122         gimplify_and_update_call_from_tree): Move ...
5123         * gimple-fold.c: ... here.  New file.
5124         (ccp_fold_builtin): Rename to ...
5125         (gimple_fold_builtin): ... this.
5126         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
5127
5128 2010-04-15  Richard Guenther  <rguenther@suse.de>
5129
5130         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
5131         fit_double_type, force_fit_type_double, add_double_with_sign,
5132         neg_double, mul_double_with_sign, lshift_double, rshift_double,
5133         lrotate_double, rrotate_double, div_and_round_double): Move ...
5134         * double-int.c: ... here.
5135         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
5136         add_double, neg_double, mul_double_with_sign, mul_double,
5137         lshift_double, rshift_double, lrotate_double, rrotate_double,
5138         div_and_round_double): Move prototypes ...
5139         * double-int.h: ... here.
5140
5141 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
5142
5143         PR target/43742
5144         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
5145         matching constraints to ensure inputs match the output.
5146
5147 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5148
5149         PR target/43742
5150         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
5151         in an input-only operand.
5152
5153 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
5154
5155         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
5156         (double_int_not, double_int_lshift, double_int_rshift): Declare.
5157         (double_int_negative_p): Convert to static inline function.
5158         * double-int.c (double_int_lshift, double_int_lshift): New functions.
5159         (double_int_negative_p): Remove.
5160         * tree.h (lshift_double, rshift_double):
5161         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
5162         * fold-const.c (fold_convert_const_int_from_real,
5163         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
5164         (lshift_double): Change type of arith argument to bool.
5165         (rshift_double): Change type of arith argument to bool. Correct
5166         comment.
5167         * expmed.c (mask_rtx, lshift_value): (Ditto.).
5168
5169 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
5170
5171         PR target/21803
5172         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
5173         at the start and end of the then/else blocks, and omit them from the
5174         conversion.
5175         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
5176         argument; all callers changed.  Pass zero to old_insns_match_p instead.
5177         (flow_find_head_matching_sequence): New function.
5178         (old_insns_match_p): Check REG_EH_REGION notes for calls.
5179         * basic-block.h (flow_find_cross_jump,
5180         flow_find_head_matching_sequence): Declare functions.
5181
5182 2010-04-14  Jason Merrill  <jason@redhat.com>
5183
5184         PR c++/36625
5185         * c-common.c (attribute_takes_identifier_p): New fn.
5186         * c-common.h: Declare it.
5187
5188 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5189
5190         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
5191         splitter condition.
5192         (*udivmod<mode>4): Ditto.
5193
5194 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5195
5196         * config/i386/i386.md (maxmin_int): Rename code attribute from
5197         maxminiprefix and update all users.
5198         (maxmin_float): Ditto from maxminfprefix.
5199         (logic): Ditto from logicprefix.
5200         (absneg_mnemonic): Ditto from absnegprefix.
5201         * config/i386/mmx.md: Update all users of maxminiprefix,
5202         maxminfprefix and logicprefix for rename.
5203         * config/i386/sse.md: Ditto.
5204         * config/i386/sync.md (sync_<code><mode>): Update for
5205         logicprefix rename.
5206
5207 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5208
5209         PR 42966
5210         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
5211         warnings converted to errors.
5212
5213 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5214
5215         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
5216         used insn_type variable.
5217         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
5218         to avoid set-but-not-used warning.
5219
5220 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5221
5222         * df-core.c (df_ref_debug): Change format string placeholder
5223         from 0x%x to %#x.
5224         * dwarf2asm.c (dw2_asm_output_data_raw,
5225         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
5226         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
5227         * dwarf2out.c (output_cfi, output_cfi_directive,
5228         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
5229         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
5230         Ditto.
5231         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
5232         * print-rtl.c (print_rtx): Ditto.
5233
5234 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5235
5236         PR middle-end/42694
5237         * builtins.c (expand_builtin_pow_root): New function to expand pow
5238         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
5239         series of sqrt and cbrt calls under -ffast-math.
5240         (expand_builtin_pow): Call it.
5241
5242 2010-04-14  Michael Matz  <matz@suse.de>
5243
5244         PR tree-optimization/42963
5245         * tree-cfg.c (touched_switch_bbs): New static variable.
5246         (group_case_labels_stmt): New function broken out from ...
5247         (group_case_labels): ... here, use the above.
5248         (start_recording_case_labels): Allocate touched_switch_bbs.
5249         (end_recording_case_labels): Deallocate it, call
5250         group_case_labels_stmt.
5251         (gimple_redirect_edge_and_branch): Remember index of affected BB.
5252
5253 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5254
5255         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
5256         from insn template.
5257
5258 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5259
5260         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
5261
5262 2010-04-13  Jan Hubicka  <jh@suse.cz>
5263
5264         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
5265         of optimized out static functions.
5266         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
5267         cost computation.  Also sanity check for overflows.
5268         (update_caller_keys): Update cgraph_edge_badness call; properly
5269         update fibheap and sanity check that it is up to date.
5270         (add_new_edges_to_heap): Update cgraph_edge_badness.
5271         (cgraph_decide_inlining_of_small_function): Likewise;
5272         add sanity checking that badness in heap is up to date;
5273         improve dumping of reason; Update badness of calls to the
5274         offline copy of function currently inlined; dump badness
5275         of functions not inlined because of unit growth limits.
5276
5277 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
5278
5279         PR middle-end/32628
5280         * c-common.c (pointer_int_sum): Disregard overflow that occured only
5281         because of sign-extension change when converting to sizetype here...
5282         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
5283
5284         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
5285         the folding to constants.  Remove redundant final conversion.
5286         (fold_binary) <associate>: Do not associate if the re-association of
5287         constants alone overflows.
5288         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
5289         to the end of the list.
5290         (multiple_of_p) <COND_EXPR>: New case.
5291
5292 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5293
5294         * opt-functions.awk (opt_sanitized_name): New.
5295         (opt_enum): New.
5296         * optc-gen.awk: Use it
5297         * opth-gen.awk: Use it.
5298
5299 2010-04-13  Martin Jambor  <mjambor@suse.cz>
5300
5301         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
5302         (sra_modify_assign): Delete stmts loading dead data even if racc has no
5303         children.  Call replace_uses_with_default_def_ssa_name to handle
5304         SSA_NAES on lhs.
5305
5306 2010-04-13  Michael Matz  <matz@suse.de>
5307
5308         PR middle-end/43730
5309         * builtins.c (expand_builtin_interclass_mathfn): Also create
5310         a register if the predicate doesn't match.
5311
5312 2010-04-13  Diego Novillo  <dnovillo@google.com>
5313
5314         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
5315         * c-pch.c: Include timevar.h.
5316         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
5317         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
5318         * ggc-common.c: Include timevar.h.
5319         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
5320         * timevar.def (TV_PCH_SAVE): Define.
5321         (TV_PCH_CPP_SAVE): Define.
5322         (TV_PCH_PTR_REALLOC): Define.
5323         (TV_PCH_PTR_SORT): Define.
5324         (TV_PCH_RESTORE): Define.
5325         (TV_PCH_CPP_RESTORE): Define.
5326
5327 2010-04-13  Michael Matz  <matz@suse.de>
5328
5329         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
5330         into MINUS_EXPRs.
5331         (can_reassociate_p): New function.
5332         (break_up_subtract_bb, reassociate_bb): Use it.
5333
5334 2010-04-13  Richard Guenther  <rguenther@suse.de>
5335
5336         PR bootstrap/43737
5337         * builtins.c (c_readstr): Fix assert.
5338
5339 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
5340
5341         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
5342         when generating cltd insn.
5343
5344         (*ashl<mode>3_1): Remove special handling for register operand 2.
5345         (*ashlsi3_1_zext): Ditto.
5346         (*ashlhi3_1): Ditto.
5347         (*ashlhi3_1_lea): Ditto.
5348         (*ashlqi3_1): Ditto.
5349         (*ashlqi3_1_lea): Ditto.
5350         (*<shiftrt_insn><mode>3_1): Ditto.
5351         (*<shiftrt_insn>si3_1_zext): Ditto.
5352         (*<shiftrt_insn>qi3_1_slp): Ditto.
5353         (*<rotate_insn><mode>3_1): Ditto.
5354         (*<rotate_insn>si3_1_zext): Ditto.
5355         (*<rotate_insn>qi3_1_slp): Ditto.
5356
5357 2010-04-13  Richard Guenther  <rguenther@suse.de>
5358
5359         * tree-ssa-structalias.c (callused_id): Remove.
5360         (call_stmt_vars): New.
5361         (get_call_vi): Likewise.
5362         (lookup_call_use_vi): Likewise.
5363         (lookup_call_clobber_vi): Likewise.
5364         (get_call_use_vi): Likewise.
5365         (get_call_clobber_vi): Likewise.
5366         (make_transitive_closure_constraints): Likewise.
5367         (handle_const_call): Adjust to do per-call call-used handling.
5368         (handle_pure_call): Likewise.
5369         (find_what_var_points_to): Remove general callused handling.
5370         (init_base_vars): Likewise.
5371         (init_alias_vars): Initialize call_stmt_vars.
5372         (compute_points_to_sets): Process call-used and call-clobbered
5373         vars for call statements.
5374         (delete_points_to_sets): Free call_stmt_vars.
5375
5376 2010-04-13  Richard Guenther  <rguenther@suse.de>
5377
5378         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
5379         Only add RW dependence for dependence distance zero.
5380         Adjust maximal vectorization factor according to dependences.
5381         Move alignment handling ...
5382         (vect_find_same_alignment_drs): ... here.  New function.
5383         (vect_analyze_data_ref_dependences): Adjust.
5384         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
5385         (vect_analyze_data_refs): Adjust minimal vectorization factor
5386         according to data references.
5387         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
5388         dependences before determining the vectorization factor.
5389         Analyze alignment after determining the vectorization factor.
5390         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
5391         dependences before alignment.
5392         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
5393         Adjust prototype.
5394         (vect_analyze_data_refs): Likewise.
5395         (MAX_VECTORIZATION_FACTOR): New define.
5396
5397 2010-04-13  Duncan Sands  <baldrick@free.fr>
5398
5399         * except.h (lang_eh_type_covers): Remove.
5400         * except.c (lang_eh_type_covers): Likewise.
5401
5402 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5403             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5404
5405         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
5406         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
5407         UNITS_PER_LONG where it is ABI relevant.
5408         (s390_return_addr_rtx): Likewise.
5409         (s390_back_chain_rtx): Likewise.
5410         (s390_frame_area): Likewise.
5411         (s390_frame_info): Likewise.
5412         (s390_initial_elimination_offset): Likewise.
5413         (save_gprs): Likewise.
5414         (s390_emit_prologue): Likewise.
5415         (s390_emit_epilogue): Likewise.
5416         (s390_function_arg_advance): Likewise.
5417         (s390_function_arg): Likewise.
5418         (s390_va_start): Likewise.
5419         (s390_gimplify_va_arg): Likewise.
5420         (s390_function_profiler): Likewise.
5421         (s390_optimize_prologue): Likewise.
5422         (s390_rtx_costs): Likewise.
5423         (s390_secondary_reload): Likewise.
5424         (s390_promote_function_mode): Likewise.
5425         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
5426         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
5427         registers available.
5428         (s390_unwind_word_mode): New function.
5429         (s390_function_value): Split 64 bit values into register pair if
5430         used as return value.
5431         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
5432         function call parameters.  Handle parallels.
5433         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
5434         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5435         (DWARF_CIE_DATA_ALIGNMENT): New macro.
5436         (s390_expand_setmem): Remove unused variable src_addr.
5437         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
5438         deal with 64 bit registers.
5439         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
5440         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
5441         (UNITS_PER_LONG): New macro.
5442         * libjava/include/s390-signal.h: Define extended ucontext
5443         structure containing the upper halfs of the 64 bit registers.
5444
5445 2010-04-13  Simon Baldwin  <simonb@google.com>
5446
5447         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
5448
5449 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
5450
5451         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
5452         rvalue on the RHS if the LHS is of a non-renamable type.
5453         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
5454
5455 2010-04-13  Matthias Klose  <doko@ubuntu.com>
5456
5457         * gcc.c (cc1_options): Handle -iplugindir before processing
5458         the cc1 spec. Only add -iplugindir once.
5459         (cpp_unique_options): Add -iplugindir option if -fplugin* options
5460         found.
5461         * common.opt (iplugindir): Remove `Separate' property, initialize.
5462         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
5463         option.
5464         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
5465         (distclean): Remove plugin dir.
5466         * doc/invoke.texi: Document -iplugindir.
5467
5468 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
5469
5470         * doc/plugins.texi (Loading Plugins): Document short
5471         -fplugin=foo option.
5472         (Plugin API): Mention default_plugin_dir_name function.
5473
5474         * gcc.c (find_file_spec_function): Add new declaration.
5475         (static_spec_func): Use it for "find-file".
5476         (find_file_spec_function): Add new function.
5477         (cc1_options): Add -iplugindir option if -fplugin* options found.
5478
5479         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
5480
5481         * plugin.c (add_new_plugin): Updated comment, and handle short
5482         plugin name.
5483         (default_plugin_dir_name): Added new function.
5484
5485         * common.opt (iplugindir): New option to set the plugin directory.
5486
5487 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
5488
5489         * config/i386/i386.md (any_rotate): New code iterator.
5490         (rotate_insn): New code attribute.
5491         (rotate): Ditto.
5492         (SWIM124): New mode iterator.
5493         (<rotate_insn>ti3): New expander.
5494         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
5495         any_rotate code iterator.
5496         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
5497         using any_rotate code iterator and SWIM124 mode iterator.
5498         (ix86_rotlti3): New insn_and_split pattern.
5499         (ix86_rotrti3): Ditto.
5500         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
5501         ix86_rotl{di,ti}3 patterns.
5502         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
5503         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
5504         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
5505         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
5506         code iterator and SWI mode iterator.
5507         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
5508         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
5509         code iterator.
5510         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
5511         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
5512         (bswap rotatert splitter): Add splitter.
5513         (bswap splitter): Macroize splitter using any_rotate code iterator.
5514         Add insn predicate to split only for TARGET_USE_XCHGB or when
5515         optimizing function for size.
5516
5517 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5518
5519         * config/pa/pa.c (emit_move_sequence): Remove use of
5520         deleted variable flag_argument_noalias.
5521
5522 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5523
5524         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
5525         configurations.
5526         Add to unsupported targets list.
5527         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
5528         sparc*-sun-solaris2.[567]* from target lists.
5529         * configure: Regenerate.
5530         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
5531         removal.
5532         Remove Solaris 7 patch references.
5533         (Specific, sparc-sun-solaris2.7): Removed.
5534         (sparc-sun-solaris2*): Update Solaris 7 example.
5535         (sparc64-*-solaris2*): Likewise.
5536
5537 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5538
5539         * config.build (alpha*-dec-osf4*): Remove.
5540         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
5541         of obsolete configurations.
5542         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
5543         support.
5544         * config/alpha/t-osf4: Renamed to ...
5545         * config/alpha/t-osf5: ... this.
5546         * config/alpha/osf.h: Renamed to ...
5547         * config/alpha/osf5.h: ... this.
5548         Merged old osf5.h contents.
5549         Update comments.
5550         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
5551         (EXTRA_SPECS): Removed.
5552         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
5553         reflect removal of Tru64 UNIX V4.0/V5.0 support.
5554         Document that.
5555
5556 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5557
5558         * doc/contrib.texi (Contributors, Rainer Orth): Update.
5559
5560 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
5561
5562         PR/43702
5563         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
5564         __thiscall convention.
5565
5566 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5567
5568         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
5569         orig_base.
5570         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
5571
5572 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
5573
5574         * function.c (assign_parms_initialize_all): Add unused attribute
5575         to fntype.
5576
5577 2010-04-12  Richard Guenther  <rguenther@suse.de>
5578
5579         * gsstruct.def (GSS_CALL): New.
5580         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
5581         * gimple.h: Include tree-ssa-alias.h.
5582         (struct gimple_statement_call): New.
5583         (union gimple_statement_struct_d): Add gimple_call member.
5584         (gimple_call_reset_alias_info): Declare.
5585         (gimple_call_use_set): New function.
5586         (gimple_call_clobber_set): Likewise.
5587         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
5588         * gimple.c (gimple_call_reset_alias_info): New function.
5589         (gimple_build_call_1): Call it.
5590         * lto-streamer-in.c (input_gimple_stmt): Likewise.
5591         * tree-inline.c (remap_gimple_stmt): Likewise.
5592         (expand_call_inline): Remove callused handling.
5593         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
5594         * tree-dfa.c (dump_variable): Likewise.
5595         * tree-parloops.c (parallelize_loops): Likewise.
5596         * tree-ssa.c (init_tree_ssa): Likewise.
5597         (delete_tree_ssa): Likewise.
5598         * tree-flow-inline.h (is_call_used): Remove.
5599         * tree-flow.h (struct gimple_df): Remove callused member.
5600         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
5601         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
5602         (ref_maybe_used_by_call_p_1): Simplify.
5603         (call_may_clobber_ref_p_1): Likewise.
5604         * tree-ssa-structalias.c (compute_points_to_sets): Set
5605         the call stmt used and clobbered sets.
5606         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
5607         (find_tail_calls): Verify the tail call.
5608
5609 2010-04-12  Richard Guenther  <rguenther@suse.de>
5610
5611         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
5612         single-iteration always-inline inlining.
5613         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
5614         (cgraph_decide_inlining): Do not handle always-inline specially.
5615         (try_inline): Remove always-inline cycle detection special case.
5616         Do not recurse on always-inlines.
5617         (cgraph_early_inlining): Do not iterate if not optimizing.
5618         (cgraph_gate_early_inlining): remove.
5619         (pass_early_inline): Run unconditionally.
5620         (gate_cgraph_decide_inlining): New function.
5621         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
5622         not inlining or optimizing.
5623         (cgraph_decide_inlining_of_small_functions): Also consider
5624         always-inline functions.
5625         (cgraph_default_inline_p): Return true for nodes which should
5626         disregard inline limits.
5627         (estimate_function_body_sizes): Assume zero size and time for
5628         nodes which are marked as disregarding inline limits.
5629         (cgraph_decide_recursive_inlining): Do not perform recursive
5630         inlining on always-inline nodes.
5631
5632 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
5633
5634         PR bootstrap/43699
5635         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
5636         for exprs satisfying handled_component_p.
5637
5638 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
5639
5640         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
5641         non-constant aggregate elements.
5642
5643         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
5644         is a real initialization.
5645
5646 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
5647
5648         PR c/36774
5649         * c-decl.c (start_function): Move forward check for nested function.
5650
5651 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5652
5653         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
5654         * config/sh/sh.c: Include reload.h.
5655         (sh_legitimize_reload_address): New.
5656         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
5657         sh_legitimize_reload_address.
5658
5659 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
5660
5661         * config/sh/sh.md (*movqi_pop): New insn pattern.
5662         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
5663
5664 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5665
5666         * config/i386/i386.md (any_shiftrt): New code iterator.
5667         (shiftrt_insn): New code attribute.
5668         (shiftrt): Ditto.
5669         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
5670         using any_shiftrt code iterator.
5671         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
5672         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
5673         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
5674         pattern from corresponding peephole2 patterns.
5675         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
5676         using any_shiftrt code iterator.
5677         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
5678         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
5679         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
5680         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
5681         *{ashr,lshr}<mode>3_cmp_zext.
5682         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
5683
5684 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5685
5686         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
5687         scratch register.
5688         (*lshr<mode>3_cconly): Ditto.
5689
5690 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
5691
5692         * config/i386/i386.md (lshr<mode>3): Macroize expander from
5693         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
5694         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5695         pattern from *lshr{di,ti}3_1 and corresponding splitters using
5696         DWI mode iterator.
5697         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
5698         from corresponding peephole2 patterns.
5699         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
5700         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
5701         and *lshrdi3_1_rex64 using SWI mode iterator.
5702         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
5703         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
5704         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
5705         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
5706         and *lshrdi3_cmp_rex64 using SWI mode iterator.
5707         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
5708         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
5709         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
5710         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
5711         SWI mode iterator.
5712
5713 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
5714
5715         * config/i386/i386.md (ashr<mode>3): Macroize expander from
5716         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
5717         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5718         pattern from *ashr{di,ti}3_1 and corresponding splitters using
5719         DWI mode iterator.
5720         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
5721         from corresponding peephole2 patterns.
5722         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
5723         (ashrsi3_cvt): Rename from ashrsi3_31.
5724         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
5725         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
5726         and x86_64_shift_adj_3 using SWI48 mode iterator.
5727         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
5728         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
5729         and *ashrdi3_1_rex64 using SWI mode iterator.
5730         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
5731         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
5732         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
5733         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
5734         and *ashrdi3_cmp_rex64 using SWI mode iterator.
5735         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
5736         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
5737         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
5738         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
5739         SWI mode iterator.
5740         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
5741         * config/i386/i386.c (ix86_split_ashr): Update for renamed
5742         x86_shift<mode>_adj_3 expanders.
5743
5744 2010-04-10  Wei Guozhi  <carrot@google.com>
5745
5746         PR target/42601
5747         * config/arm/arm.c (arm_pic_static_addr): New function.
5748         (legitimize_pic_address): Call arm_pic_static_addr when it detects
5749         a static symbol.
5750         (arm_output_addr_const_extra): Output expression for new pattern.
5751         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
5752
5753 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
5754
5755         * ira-costs.c (record_reg_classes): Ignore alternatives that are
5756         not enabled.
5757
5758         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
5759         * web.c: Include "insn-config.h" and "recog.h".
5760         (union_match_dups): New function.
5761         (web_main): Call it.
5762         (union_defs): Don't try to recognize match_dups.
5763
5764         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
5765         if doing so would replace the entire pattern.
5766
5767 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
5768
5769         PR target/43707
5770         PR target/43709
5771         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
5772         and splitter pattern.  Change splitter operand 1 predicate to
5773         nonmemory_operand.
5774
5775 2010-04-09  Martin Jambor  <mjambor@suse.cz>
5776
5777         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
5778         lattices are addresses of CONST_DECLs with the same initial value.
5779         (ipcp_print_all_lattices): Print values of CONST_DECLs.
5780         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
5781
5782 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
5783             Bernd Schmidt  <bernds@codesourcery.com>
5784
5785         * loop-invariant.c (replace_uses): New static function.
5786         (move_invariant_reg): Use it to ensure we can replace the uses.
5787
5788 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
5789
5790         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
5791         function template.
5792         (picochip_override_options): Enable section anchors only above -O1.
5793         (picochip_reorg): Fixed a couple of build warnings.
5794
5795 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5796
5797         * configure.ac (plugin -rdynamic test): Log result.
5798         * configure: Regenerate.
5799         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
5800         (RDYNAMIC_SPEC): Define.
5801         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
5802
5803 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5804
5805         * configure.ac: Determine Sun ld version numbers.
5806         (comdat_group): Restrict GNU ld version checks to gld.
5807         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
5808         (enable_comdat): Support --enable-comdat.
5809         * configure: Regenerate.
5810         * doc/install.texi (Configuration): Document --enable-comdat.
5811
5812 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5813
5814         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
5815         * config/sol2-gld.h: ... here.
5816         * config.gcc (sparc*-*-solaris2*): Reflect this.
5817         (i[34567]86-*-solaris2*): Use it.
5818
5819 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
5820
5821         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
5822         setup_clocks_p.
5823         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
5824
5825 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5826
5827         PR 42965
5828         * diagnostic.c (diagnostic_initialize): Initialize
5829         some_warnings_are_errors.
5830         (diagnostic_finish): New.
5831         (diagnostic_action_after_output): Call it before exiting.
5832         (diagnostic_report_diagnostic): Do not print message here. Set
5833         some_warnings_are_errors.
5834         * diagnostic.h (diagnostic_context): Delete
5835         issue_warnings_are_errors_message. Add some_warnings_are_errors.
5836         (diagnostic_finish): Declare.
5837         * toplev.c (toplev_main): Call it before exit.
5838
5839 2010-04-09  Jason Merrill  <jason@redhat.com>
5840
5841         PR c++/42623
5842         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
5843         for incomplete type.
5844
5845         PR c++/41788
5846         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
5847         based on a warning flag.
5848
5849 2010-04-09  Richard Guenther  <rguenther@suse.de>
5850
5851         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
5852
5853 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
5854
5855         PR bootstrap/43684
5856         * varasm.c (default_assemble_visibility): Wrap vars that are
5857         set, but unused, by targets without GAS.
5858         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
5859         Remove set, but unused, vars.
5860         (rs6000_legitimize_tls_address): Likewise.
5861         (altivec_expand_dst_builtin): Likewise.
5862         * config/darwin.c (machopic_classify_symbol): Likewise.
5863         (machopic_indirection_name): Likewise.
5864
5865 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
5866
5867         * config/i386/i386.md (DWI): New mode iterator.
5868         (S): New mode attribute.
5869         (shift_operand): Ditto.
5870         (shift_immediate_operand): Ditto.
5871         (ashl_input_operand): Ditto.
5872         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
5873         using SDWIM mode iterator.
5874         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
5875         pattern from *ashl{di,ti}3_1 and corresponding splitters using
5876         DWI mode iterator.
5877         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
5878         from corresponding peephole2 patterns.
5879         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
5880         and x86_64_shift_adj_1 using SWI48 mode iterator.
5881         (x86_shift<mode>_adj_2): Ditto.
5882         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
5883         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
5884         using SWI48 mode iterator.
5885         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
5886         *ashldi3_cmp_rex64 using SWI mode iterator.
5887         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
5888         *ashldi3_cconly_rex64 using SWI mode iterator.
5889         * config/i386/i386.c (ix86_split_ashl): Update for renamed
5890         x86_shift<mode>_adj_{1,2}.
5891         (ix86_split_ashr): Ditto.
5892         (ix86_split_lshr): Ditto.
5893
5894 2010-04-09  Richard Guenther  <rguenther@suse.de>
5895
5896         * target.h (builtin_conversion): Pass in input and output types.
5897         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
5898         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
5899         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
5900         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
5901
5902         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
5903         Handle AVX modes.
5904         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
5905
5906 2010-04-09  Richard Guenther  <rguenther@suse.de>
5907
5908         PR target/43152
5909         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
5910
5911 2010-04-09  Richard Guenther  <rguenther@suse.de>
5912
5913         * tree-vectorizer.h (struct _stmt_vec_info): Document
5914         that vectype is the type of the LHS.
5915         (supportable_widening_operation, supportable_narrowing_operation):
5916         Get both input and output vector types as arguments.
5917         (vect_is_simple_use_1): Declare.
5918         (get_same_sized_vectype): Likewise.
5919         * tree-vect-loop.c (vect_determine_vectorization_factor):
5920         Set STMT_VINFO_VECTYPE to the vector type of the def.
5921         (vectorizable_reduction): Adjust.
5922         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
5923         Adjust.  Specify the output vector type.
5924         (vect_pattern_recog_1): Adjust.
5925         * tree-vect-stmts.c (get_same_sized_vectype): New function.
5926         (vectorizable_call): Adjust.
5927         (vectorizable_conversion): Likewise.
5928         (vectorizable_operation): Likewise.
5929         (vectorizable_type_demotion): Likewise.
5930         (vectorizable_type_promotion): Likewise.
5931         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
5932         the def.
5933         (vect_is_simple_use_1): New function.
5934         (supportable_widening_operation): Get both input and output
5935         vector types.
5936         (supportable_narrowing_operation): Likewise.
5937         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
5938
5939 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
5940
5941         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
5942         __thiscall and _thiscall as predefined macros.
5943         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
5944         thiscall attribute handling.
5945         (ix86_comp_type_attributes): Likewise.
5946         (ix86_function_regparm): Likewise.
5947         (ix86_return_pops_args): Likewise.
5948         (init_cumulative_args): Likewise.
5949         (find_drap_reg): Likewise.
5950         (ix86_static_chain): Likewise.
5951         (x86_this_parameter): Likewise.
5952         (x86_output_mi_thunk): Likewise.
5953         (ix86_attribute_table): Add description for thiscall attribute.
5954         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
5955         * doc/extend.texi: Add documentation for thiscall.
5956
5957 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5958
5959         PR c++/28584
5960         * c.opt (Wint-to-pointer-cast): Available in C++.
5961         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
5962
5963 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
5964
5965         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
5966         * calls.c (expand_call): Pass the function type to aggregate_value_p.
5967         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
5968         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
5969         function type instead.  Reorder and simplify checks.
5970
5971         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
5972
5973 2010-04-08  Jing Yu  <jingyu@google.com>
5974             Zdenek Dvorak  <ook@ucw.cz>
5975
5976         PR tree-optimization/42720
5977         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
5978         loop unswitch conditions here from ...
5979         (tree_unswitch_single_loop): ... here.
5980
5981 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5982
5983         * tree-if-conv.c: Fix comments and simplify logic.
5984
5985 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
5986
5987         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
5988         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
5989         (main_tree_if_conversion): Update call to tree_if_conversion.
5990
5991 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5992
5993         PR 42485
5994         * doc/invoke.texi (-b,-V): Delete.
5995         * doc/tm.texi: Do not mention -b.
5996         * gcc.c (display_help): Delete -b and -V.
5997         (process_command): Delete -b and -V.
5998         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
5999
6000 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
6001             Wolfgang Gellerich  <gellerich@de.ibm.com>
6002
6003         Implement target hook for loop unrolling
6004         * target.h (loop_unroll_adjust): Add a new target hook function.
6005         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
6006         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
6007         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
6008         (s390_loop_unroll_adjust): Implement the new target hook for s390.
6009         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
6010         target hook.
6011         (decide_unroll_stupid): Likewise.
6012
6013 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6014
6015         PR target/43643
6016         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
6017
6018 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6019
6020         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
6021         (Specific, *-*-solaris2*): Likewise.
6022         Don't prefer Sun as over GNU as.
6023
6024 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
6025
6026         * config/s390/s390.c (override_options): Adjust the z10 defaults
6027         for max-unroll-times, max-completely-peeled-insns
6028         and max-completely-peel-times.
6029
6030 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6031
6032         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
6033         instructions for z10.
6034         (s390_expand_setmem): Likewise.
6035         (s390_expand_cmpmem): Likewise.
6036
6037 2010-04-08  Richard Guenther  <rguenther@suse.de>
6038
6039         PR tree-optimization/43679
6040         * tree-ssa-pre.c (eliminate): Only propagate copies.
6041
6042 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
6043
6044         PR bootstrap/43681
6045         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
6046         set but not used variable warning.
6047
6048 2010-04-08  Wei Guozhi  <carrot@google.com>
6049
6050         PR target/41653
6051         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
6052         (arm_size_rtx_costs): Call the new function when optimized for size.
6053
6054 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR debug/43670
6057         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
6058         op0 is not a MEM, just return NULL instead of assertion
6059         failure.
6060         (discover_nonconstant_array_refs): Don't walk debug stmts.
6061
6062 2010-04-08  Doug Kwan  <dougkwan@google.com>
6063
6064         * configure.ac: Recognize gold and do not use its version number
6065         to test ld features.
6066         * configure: Regenerate.
6067
6068 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
6069
6070         PR middle-end/40815
6071         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
6072         (negate_value): Move code to push elements to broken_up_substracts ...
6073         (eliminate_plus_minus_pair): ... here.  Push operands that have no
6074         negative pair to plus_negates.
6075         (repropagate_negates, init_reassoc, fini_reassoc): Update.
6076
6077 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6078
6079         * doc/install.texi (Configuration): Move description of
6080         --enable-lto, --with-libelf*, --enable-gold from Java section to
6081         general section.
6082
6083         * doc/generic.texi (Working with declarations)
6084         (Function Properties, C and C++ Trees): Fix typos.
6085         * doc/sourcebuild.texi (Top Level): Likewise.
6086
6087 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
6088
6089         PR c/18624
6090         * tree.h (DECL_READ_P): Define.
6091         (struct tree_decl_common): Add decl_read_flag.
6092         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
6093         a set but not used warning.
6094         (merge_decls): Merge DECL_READ_P flag.
6095         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
6096         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
6097         * c-common.c (handle_used_attribute, handle_unused_attribute):
6098         Likewise.
6099         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
6100         New prototypes.
6101         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
6102         New functions.
6103         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
6104         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
6105         c_parser_binary_expression, c_parser_cast_expression,
6106         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
6107         Call default_function_array_read_conversion instead of
6108         default_function_array_conversion where needed.
6109         (c_parser_unary_expression, c_parser_conditional_expression,
6110         c_parser_postfix_expression_after_primary, c_parser_initelt):
6111         Likewise.  Call mark_exp_read where needed.
6112         (c_parser_statement_after_labels, c_parser_asm_operands,
6113         c_parser_typeof_specifier, c_parser_sizeof_expression,
6114         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
6115         where needed.
6116         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
6117         New.
6118         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
6119         (warn_unused_but_set_parameter): Default to warn_unused
6120         && extra_warnings.
6121         * doc/invoke.texi: Document -Wunused-but-set-variable and
6122         -Wunused-but-set-parameter.
6123
6124         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
6125         used count variable.
6126         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
6127         when operandN variables aren't used in the body of the expander
6128         or splitter.
6129         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
6130         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
6131         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
6132         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
6133         FOR_EACH_IMM_USE_ON_STMT): Likewise.
6134         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
6135         * tree.c (PROCESS_ARG): Likewise.
6136
6137 2010-04-07  Simon Baldwin  <simonb@google.com>
6138
6139         * diagnostic.h (diagnostic_override_option_index): New macro to
6140         set a diagnostic's option_index.
6141         * c-tree.h (c_cpp_error): Add warning reason argument.
6142         * opts.c (_warning_as_error_callback): New.
6143         (register_warning_as_error_callback): Store callback for
6144         warnings enabled via enable_warning_as_error.
6145         (enable_warning_as_error): Call callback, minor code tidy.
6146         * opts.h (register_warning_as_error_callback): Declare.
6147         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
6148         response to -Werror=.
6149         (c_common_init_options): Register warning_as_error_callback in opts.c.
6150         * common.opt: Add -Wno-cpp option.
6151         * c-common.c (struct reason_option_codes_t): Map cpp warning
6152         reason codes to gcc option indexes.
6153         * (c_option_controlling_cpp_error): New function, lookup the gcc
6154         option index for a cpp warning reason code.
6155         * (c_cpp_error): Add warning reason argument, call
6156         c_option_controlling_cpp_error for diagnostic_override_option_index.
6157         * doc/invoke.texi: Document -Wno-cpp.
6158
6159 2010-04-07  Richard Guenther  <rguenther@suse.de>
6160
6161         * ipa-reference.c (mark_load): Use get_base_address.
6162         (mark_store): Likewise.
6163
6164         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
6165         inserting GIMPLE_NOPs into the IL.
6166         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6167         Explicitly strip handled components and indirect references.
6168
6169         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
6170         folding address expressions.
6171         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
6172         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
6173         operand_equal_p to compare decls.
6174         (ptr_deref_may_alias_decl_p): Likewise.
6175         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
6176         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
6177         Handle reversed comparison ops.
6178         * tree-sra.c (asm_visit_addr): Use get_base_address.
6179         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
6180         * ipa-reference.c (mark_address): Use get_base_address.
6181
6182 2010-04-07  Richard Guenther  <rguenther@suse.de>
6183
6184         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
6185         Propagate constants everywhere.
6186
6187 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
6188
6189         PR debug/43516
6190         * tree.c (MAX_INT_CACHED_PREC): Define.
6191         (nonstandard_integer_type_cache): New array.
6192         (build_nonstandard_integer_type): Cache results for precision
6193         <= MAX_INT_CACHED_PREC.
6194
6195 2010-04-07  Richard Guenther  <rguenther@suse.de>
6196
6197         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
6198         -fargument-noalias-global, -fargument-noalias-anything): Remove.
6199         * common.opt: Likewise.
6200         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
6201         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
6202         (nonoverlapping_memrefs_p): Likewise.
6203         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6204         * opts.c (common_handle_option): Handle OPT_fargument_alias,
6205         OPT_fargument_noalias, OPT_fargument_noalias_anything and
6206         OPT_fargument_noalias_global for backward compatibility.
6207
6208 2010-04-07  Richard Guenther  <rguenther@suse.de>
6209
6210         PR tree-optimization/43270
6211         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
6212         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
6213         * tree-ssa-pre.c (phi_translate_1): Adjust.
6214         (fully_constant_expression): Split out vn_reference handling to ...
6215         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
6216         Fold reads from constant strings.
6217         (vn_reference_lookup): Handle fully constant references.
6218         (vn_reference_lookup_pieces): Likewise.
6219         * Makefile.in (expmed.o-warn): Add -Wno-error.
6220
6221 2010-04-07  Martin Jambor  <mjambor@suse.cz>
6222
6223         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
6224
6225 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
6226
6227         PR driver/41594
6228         * gcc.c: Add -static-libstdc++ to list of recognized options.
6229
6230 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6231
6232         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
6233
6234 2010-04-07  Richard Guenther  <rguenther@suse.de>
6235
6236         PR middle-end/42617
6237         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
6238         bases build simple mem attributes to retain points-to information.
6239
6240 2010-04-07  Richard Guenther  <rguenther@suse.de>
6241
6242         PR middle-end/42617
6243         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
6244         preserve points-to related information.
6245
6246 2010-04-07  Richard Guenther  <rguenther@suse.de>
6247
6248         PR middle-end/42617
6249         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
6250         discard plain indirect references.
6251         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
6252         * tree.c (tree_nop_conversion): Likewise.
6253
6254 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
6255
6256         PR debug/43628
6257         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
6258
6259 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
6260
6261         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
6262         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
6263
6264 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6265
6266         * tree-if-conv.c: Fix indentation and comments.
6267
6268 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6269
6270         * tree-if-conv.c: Sort static functions in topological order.
6271
6272 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6273
6274         * tree-if-conv.c: Fix indentation and comments.
6275
6276 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6277
6278         PR middle-end/43519
6279         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
6280         lang_hooks.types.type_for_size instead of
6281         build_nonstandard_integer_type.
6282         When converting an unsigned type to signed, double its precision.
6283         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
6284         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
6285         (graphite_create_new_loop_guard): When ub + 1 wraps around,
6286         use lb <= ub.
6287
6288 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6289
6290         PR middle-end/43519
6291         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
6292         POINTER_PLUS_EXPR for pointer types.
6293
6294 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6295
6296         PR middle-end/43519
6297         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
6298         * graphite-clast-to-gimple.c: Include langhooks.h.
6299         (max_signed_precision_type): New.
6300         (max_precision_type): Takes two types as arguments.
6301         (precision_for_value): New.
6302         (precision_for_interval): New.
6303         (gcc_type_for_interval): New.
6304         (gcc_type_for_value): New.
6305         (gcc_type_for_clast_term): New.
6306         (gcc_type_for_clast_red): New.
6307         (gcc_type_for_clast_bin): New.
6308         (gcc_type_for_clast_expr): Split up into several functions.
6309         (gcc_type_for_clast_eq): Rewritten.
6310         (compute_bounds_for_level): New.
6311         (compute_type_for_level_1): New.
6312         (compute_type_for_level): New.
6313         (gcc_type_for_cloog_iv): Removed.
6314         (gcc_type_for_iv_of_clast_loop): Rewritten.
6315         (graphite_create_new_loop): Compute the lower and upper bound types
6316         with gcc_type_for_clast_expr.
6317         (graphite_create_new_loop_guard): Same.
6318         (find_cloog_iv_in_expr): Removed.
6319         (compute_cloog_iv_types_1): Removed.
6320         (compute_cloog_iv_types): Removed.
6321         (gloog): Do not call compute_cloog_iv_types.
6322         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
6323         GBB_CLOOG_IV_TYPES.
6324         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
6325         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
6326         (GBB_CLOOG_IV_TYPES): Removed.
6327
6328 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6329
6330         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
6331         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
6332         (detect_commutative_reduction): Same.
6333
6334 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
6337         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
6338         argument.
6339         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
6340         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
6341         (rewrite_commutative_reductions_out_of_ssa): Same.
6342         * passes.c (execute_function_todo): Call verify_ssa for every pass
6343         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
6344         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
6345         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
6346         with an extra argument.
6347         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
6348         verify_ssa only when the extra argument is true.
6349         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
6350         with an extra argument.
6351         (tree_transform_and_unroll_loop): Same.
6352
6353 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6354
6355         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
6356         for all the passes of the LNO having LOOP_CLOSED_SSA.
6357         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
6358         * tree-loop-distribution.c (pass_loop_distribution): Same.
6359         * tree-pass.h (TODO_verify_loops): Removed.
6360         * tree-ssa-loop.c (pass_tree_loop_init): Same.
6361         (pass_lim): Same.
6362         (pass_tree_unswitch): Same.
6363         (pass_predcom): Same.
6364         (pass_vectorize): Same.
6365         (pass_linear_transform): Same.
6366         (pass_graphite_transforms): Same.
6367         (pass_iv_canon): Same.
6368         (pass_complete_unroll): Same.
6369         (pass_complete_unrolli): Same.
6370         (pass_parallelize_loops): Same.
6371         (pass_loop_prefetch): Same.
6372         (pass_iv_optimize): Same.
6373
6374 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
6375
6376         PR middle-end/32824
6377         * passes.c (init_optimization_passes): Move pass_lim before
6378         pass_copy_prop and pass_dce_loop.
6379
6380 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
6381
6382         PR target/43667
6383         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
6384         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
6385         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
6386         MULTI_* defines for 4 argument vpermil2p* builtins.
6387
6388 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
6389
6390         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
6391         * config/i386/i386.c (x86_maybe_negate_const_int): New.
6392         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
6393         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
6394         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
6395         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
6396         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
6397         Use x86_maybe_negate_const_int to output insn mnemonic.
6398         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
6399         check from instruction predicate.  Update comments.
6400         * config/i386/sync.md (sync_add<mode>): Use
6401         x86_maybe_negate_const_int to output insn mnemonic.
6402
6403 2010-04-06  Jan Hubicka  <jh@suse.cz>
6404
6405         PR tree-optimization/42906
6406         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
6407         IGNORE_SELF argument.  Set visited_control_parents for fully
6408         processed BBs.
6409         (find_obviously_necessary_stmts): Update call of
6410         mark_control_dependent_edges_necessary.
6411         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
6412
6413 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
6414
6415         * config/i386/i386.md: Remove comment about 'e' and 'E'
6416         operand modifier.
6417
6418 2010-04-06  Richard Guenther  <rguenther@suse.de>
6419
6420         PR tree-optimization/43627
6421         * tree-vrp.c (extract_range_from_unary_expr): Widenings
6422         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
6423         not varying.
6424
6425 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
6426
6427         * BASE-VER: Change to 4.6.0.
6428
6429         PR target/43638
6430         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
6431         handling.
6432
6433 2010-04-06  Richard Guenther  <rguenther@suse.de>
6434
6435         PR middle-end/43661
6436         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
6437
6438 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6439
6440         * doc/invoke.texi (Optimize Options): Document that LTO
6441         won't remove object access purely due to incompatible
6442         declarations.
6443
6444 2010-04-04  Matthias Klose  <doko@ubuntu.com>
6445
6446         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
6447         Initialize variable.
6448
6449 2010-04-03  Richard Guenther  <rguenther@suse.de>
6450
6451         PR middle-end/42509
6452         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
6453         require a non-NULL MEM_OFFSET.
6454
6455 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
6456
6457         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
6458         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
6459         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
6460         config/alpha/predicates.md, config/arm/arm.md,
6461         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
6462         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
6463         config/darwin9.h, config/darwin.c, config/darwin.h,
6464         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
6465         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
6466         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
6467         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
6468         config/mips/mips.md, config/mn10300/mn10300.c,
6469         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
6470         config/rs6000/aix.h, config/rs6000/dfp.md,
6471         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
6472         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
6473         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
6474         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
6475         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
6476         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
6477         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
6478         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
6479         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
6480         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
6481         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
6482         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
6483         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
6484         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
6485         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
6486         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
6487         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
6488         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
6489         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
6490         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
6491         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
6492         opt-functions.awk, opth-gen.awk, params.def, passes.c,
6493         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
6494         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
6495         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
6496         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
6497         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
6498         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
6499         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
6500         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
6501         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
6502         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
6503         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
6504         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
6505         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
6506         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
6507
6508 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6509
6510         PR other/43620
6511         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
6512         * aclocal.m4: Regenerate.
6513
6514 2010-04-02  Richard Guenther  <rguenther@suse.de>
6515
6516         PR tree-optimization/43629
6517         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
6518         if we have seen a constant value.
6519
6520 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
6521
6522         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
6523
6524 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
6525
6526         PR target/43469
6527         * arm.c (legitimize_tls_address): Adjust call to
6528         gen_tls_load_dot_plus_four.
6529         (arm_note_pic_base): New function.
6530         (arm_cannot_copy_insn_p): Use it.
6531         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
6532         constraint.
6533
6534 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6535
6536         PR bootstrap/43531
6537
6538         Revert:
6539         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6540
6541         * Makefile.in ($(out_object_file)): Depend on
6542         gt-$(basename $(notdir $(out_file))).h.
6543
6544 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
6545
6546         * config.gcc (lm32-*-rtems*): Add t-lm32.
6547
6548 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
6549
6550         * config.gcc: Add lm32-*-rtems*.
6551         * config/lm32/rtems.h: New file.
6552
6553 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
6554
6555         PR target/42609
6556         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
6557
6558 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
6559
6560         * dwarf2out.c (output_compilation_unit_header): For
6561         -gdwarf-4 use version 4 instead of version 3.
6562         (output_line_info): For version 4 and above emit additional
6563         maximum ops per insn header field.
6564         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
6565
6566         * dwarf2out.c (is_c_family, is_java): Remove.
6567         (lower_bound_default): New function.
6568         (add_bound_info, gen_descr_array_type_die): Use it.
6569
6570 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
6571
6572         PR debug/43325
6573         * dwarf2out.c (gen_variable_die): Allow debug info for variable
6574         re-declaration when it happens in a function.
6575
6576 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
6577
6578         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
6579         (cgraph_remove_function_insertion_hook): Same.
6580         (cgraph_call_function_insertion_hooks): Same.
6581
6582 2010-04-01  Richard Guenther  <rguenther@suse.de>
6583
6584         PR middle-end/43614
6585         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
6586         and TREE_THIS_VOLATILE.
6587         (copy_ref_info): Likewise.
6588         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
6589         * tree.c (build6_stat): Ignore side-effects of all but arg5
6590         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
6591         TARGET_MEM_REF.
6592
6593 2010-04-01  Richard Guenther  <rguenther@suse.de>
6594
6595         PR tree-optimization/43607
6596         * ipa-type-escape.c (check_call): Do not access non-existing
6597         arguments.
6598
6599 2010-04-01  Richard Guenther  <rguenther@suse.de>
6600
6601         PR middle-end/43602
6602         Revert
6603         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
6604                     Jack Howarth <howarth@bromo.med.uc.edu>
6605
6606         * tree-profile.c (tree_init_ic_make_global_vars): Make static
6607         variables TLS.
6608
6609 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6610
6611         * doc/install.texi (Prerequisites): Document libelf usability on
6612         IRIX 5/6 and Solaris 2.
6613         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
6614         Update GNU as, GNU ld requirements.
6615         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
6616         Document Sun Studio compiler download.
6617         Update and simplify as, ld recommendations.
6618         (Specific, *-*-solaris2.7): Note obsoletion, removal.
6619
6620 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6621
6622         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
6623         with_tune_32 to pentium4.
6624
6625 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
6626
6627         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
6628
6629 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6630
6631         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
6632         obsoletion, removal.
6633         Update IDO URL.
6634         Document GNU as requirement.
6635         Update configure requirements.
6636         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
6637         Recomment IRIX 6.5.18+.
6638         Document IDF/IDL requirement.
6639         Document GNU as requirement.
6640         Document GNU ld bootstrap failure.
6641         Remove freeware.sgi.com reference.
6642
6643 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6644
6645         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
6646         UNIX V4.0, V5.0 obsoletion, removal.
6647         Remove --with-gc=simple reference.
6648         Update VM requirements during bootstrap.
6649         Remove -oldas bootstrap description.
6650         Update binutils reference.
6651         Remove comparison failure note.
6652
6653 2010-03-31  Richard Guenther  <rguenther@suse.de>
6654             Zdenek Dvorak  <ook@ucw.cz>
6655             Sebastian Pop  <sebastian.pop@amd.com>
6656
6657         PR middle-end/43464
6658         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
6659         with multiple arguments.
6660         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
6661
6662 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6663
6664         * graphite-dependences.c (print_pddr): Call print_pdr with an
6665         extra argument.
6666         * graphite-poly.c (debug_pdr): Add an extra argument for the
6667         verbosity level.
6668         (print_pdr): Same.
6669         (print_pbb_domain): Same.
6670         (print_pbb): Same.
6671         (print_scop_context): Same.
6672         (print_scop): Same.
6673         (print_cloog): Same.
6674         (debug_pbb_domain): Same.
6675         (debug_pbb): Same.
6676         (print_pdrs): Same.
6677         (debug_pdrs): Same.
6678         (debug_scop_context): Same.
6679         (debug_scop): Same.
6680         (debug_cloog): Same.
6681         (print_scop_params): Same.
6682         (debug_scop_params): Same.
6683         (print_iteration_domain): Same.
6684         (print_iteration_domains): Same.
6685         (debug_iteration_domain): Same.
6686         (debug_iteration_domains): Same.
6687         (print_scattering_function): Same.
6688         (print_scattering_functions): Same.
6689         (debug_scattering_function): Same.
6690         (debug_scattering_functions): Same.
6691         * graphite-poly.h (debug_pdr): Update declaration.
6692         (print_pdr): Same.
6693         (print_pbb_domain): Same.
6694         (print_pbb): Same.
6695         (print_scop_context): Same.
6696         (print_scop): Same.
6697         (print_cloog): Same.
6698         (debug_pbb_domain): Same.
6699         (debug_pbb): Same.
6700         (print_pdrs): Same.
6701         (debug_pdrs): Same.
6702         (debug_scop_context): Same.
6703         (debug_scop): Same.
6704         (debug_cloog): Same.
6705         (print_scop_params): Same.
6706         (debug_scop_params): Same.
6707         (print_iteration_domain): Same.
6708         (print_iteration_domains): Same.
6709         (debug_iteration_domain): Same.
6710         (debug_iteration_domains): Same.
6711         (print_scattering_function): Same.
6712         (print_scattering_functions): Same.
6713         (debug_scattering_function): Same.
6714         (debug_scattering_functions): Same.
6715
6716 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6717
6718         * graphite-poly.c (print_scattering_function_1): New.
6719         (print_scattering_function): Call it.
6720         (print_scop_params): Remove spaces at the end of lines.
6721         (print_cloog): New.
6722         (debug_cloog): New.
6723         * graphite-poly.h (print_cloog): Declared.
6724         (debug_cloog): Declared.
6725
6726 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6727
6728         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
6729         in loop->header.
6730         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
6731         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
6732         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
6733         to switch between adding the IV bump in loop->latch or in loop->header.
6734
6735 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
6736
6737         * graphite-poly.c (print_scattering_function): Pretty print following
6738         the scoplib format.
6739         (print_pdr): Same.
6740         (print_pbb_domain): Same.
6741         (dump_gbb_cases): Same.
6742         (dump_gbb_conditions): Same.
6743         (print_pdrs): Same.
6744         (print_pbb): Same.
6745         (print_scop_params): Same.
6746         (print_scop_context): Same.
6747         (print_scop): Same.
6748         (print_pbb_body): New.
6749         (lst_indent_to): New.
6750         (print_lst): Start new lines with a #.
6751         * graphite-poly.h (pbb_bb): New.
6752         (pbb_index): Use pbb_bb.
6753         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
6754         disjuncts.
6755         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
6756
6757 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
6758
6759         * dwarf2out.c (size_of_die): For -gdwarf-4 use
6760         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
6761         and 0 instead of 1 for dw_val_class_flag.
6762         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
6763         dw_val_class_range_list, dw_val_class_loc_list,
6764         dw_val_class_lineptr and dw_val_class_macptr, use
6765         DW_FORM_flag_present for dw_val_class_flag and
6766         DW_FORM_exprloc for dw_val_class_loc.
6767         (output_die): For -gdwarf-4 print dw_val_class_loc
6768         size as uleb128 instead of 1 or 2 bytes and don't print
6769         anything for dw_val_class_flag.
6770
6771         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
6772         instead of cselib_lookup following by tweaking locs->setting_insn.
6773
6774         PR bootstrap/43596
6775         * cselib.c (cselib_process_insn): Clear cselib_current_insn
6776         even before returning from label, setjmp call or volatile asm
6777         handling.
6778
6779 2010-03-31  Richard Guenther  <rguenther@suse.de>
6780
6781         PR middle-end/43600
6782         * cgraphunit.c (cgraph_output_in_order): Do not allocate
6783         temporary data on stack.
6784
6785 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6786
6787         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
6788         (PUSHSECTION_ASM_OP): Remove.
6789         (POPSECTION_ASM_OP): Remove.
6790         (PUSHSECTION_FORMAT): Remove.
6791         * config/sol2.h (PUSHSECTION_FORMAT): Define.
6792         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
6793         * config/sol2.c (solaris_output_init_fini): Use it.
6794
6795 2010-03-31  Jie Zhang  <jie@codesourcery.com>
6796
6797         PR 43574
6798         * opt-functions.awk (var_type_struct): Use signed char type
6799         for simple variables.
6800
6801 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6802
6803         * config/sol2.c: Include output.h.
6804         (solaris_assemble_visibility): New function.
6805         * config/t-sol2 (sol2.o): Add output.h dependency.
6806         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
6807         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
6808         Redefine.
6809
6810 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
6811
6812         PR target/43580
6813         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
6814         V2SImode or XFmode on PRE_DEC.
6815
6816         PR debug/43557
6817         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
6818         BLKmode.
6819
6820 2010-03-31  Jie Zhang  <jie@codesourcery.com>
6821
6822         PR 43562
6823         * reload.h (caller_save_initialized_p): Declare.
6824         * toplev.c (backend_init_target): Don't call
6825         init_caller_save but set caller_save_initialized_p to false.
6826         * caller-save.c (caller_save_initialized_p): Define.
6827         (init_caller_save): Check caller_save_initialized_p.
6828         * ira.c (ira): Call init_caller_save if flag_caller_saves.
6829
6830 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6831
6832         PR target/39048
6833         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
6834         and soft-fp/t-softfp to tmake_file.
6835         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
6836         (LIBGCC2_TF_CEXT): Define.
6837         (TF_SIZE): Define.
6838
6839 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
6840
6841         PR debug/42977
6842         * cselib.c (n_useless_values): Document handling of debug locs.
6843         (n_useless_debug_values, n_debug_values): New variables.
6844         (new_elt_loc_list): Don't add to debug values, keep count.
6845         (promote_debug_loc): New.
6846         (cselib_reset_table): Zero new variables.
6847         (entry_and_rtx_equal_p): Promote debug locs.
6848         (discard_useless_locs): Increment n_useless_debug_values for
6849         debug values.
6850         (remove_useless_values): Adjust n_useless_values and n_debug_values
6851         with n_useless_debug_values.
6852         (add_mem_for_addr): Promote debug locs.
6853         (cselib_lookup_mem): Likewise.
6854         (cselib_lookup_addr): Renamed to...
6855         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
6856         (cselib_log_lookup): ... this.  Turn into...
6857         (cselib_lookup_addr): ... new wrapper.
6858         (cselib_lookup_from_insn): New.
6859         (cselib_invalidate_regno): Increment n_useless_debug_values for
6860         debug values.
6861         (cselib_invalidate_mem): Likewise.
6862         (cselib_process_insn): Take n_deleted and n_debug_values into
6863         account to guard remove_useless_value call.
6864         (cselib_finish): Zero n_useless_debug_values.
6865         * cselib.h (cselib_lookup_from_insn): Declare.
6866         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
6867         (sched_analyze_2): Likewise.
6868
6869 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
6870
6871         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
6872         functions.
6873         (adjust_mems): Replace narrowing SUBREG of expression containing
6874         just PLUS, MINUS, MULT and ASHIFT of registers and constants
6875         with operations in the narrower mode.
6876
6877         PR debug/43593
6878         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
6879         regs_invalidated_by_call instead all call_used_reg_set registers.
6880
6881 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
6882
6883         PR middle-end/43430
6884         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
6885         pointer comparisons with types_compatible_p.
6886         * tree-vect-stmts.c (vectorizable_call): Same.
6887         (vectorizable_condition): Same.
6888
6889 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6890
6891         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
6892         stack check if the mask would be zero.
6893
6894 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
6895             Jack Howarth <howarth@bromo.med.uc.edu>
6896
6897         * tree-profile.c (tree_init_ic_make_global_vars): Make static
6898         variables TLS.
6899
6900 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
6901
6902         PR other/25232
6903         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
6904         and __unordtf2.
6905         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
6906         Include ___unordxf2 and ___unordtf2.
6907         * config/i386/libgcc-glibc.ver: Do not define inheritance from
6908         GCC_4.4.0 here.
6909
6910 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
6911
6912         * config/lm32/t-lm32: New file.
6913         * config.gcc: Use the above file when targetting lm32.
6914
6915 2010-03-28  Duncan Sands  <baldrick@free.fr>
6916
6917         * Makefile.in (PLUGIN_HEADERS): Add except.h.
6918
6919 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
6920
6921         PR middle-end/43431
6922         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
6923         Improve vectorization cost model diagnostic.
6924
6925 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
6926
6927         PR middle-end/43436
6928         * tree-vect-data-refs.c (vect_analyze_data_refs): When
6929         compute_data_dependences_for_loop returns false, early exit
6930         and output an extra diagnostic for the failed data reference
6931         analysis.
6932
6933 2010-03-29  Richard Guenther  <rguenther@suse.de>
6934
6935         PR tree-optimization/43560
6936         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
6937         (can_sm_ref_p): Treat stores to readonly locations as trapping.
6938
6939 2010-03-29  Jie Zhang  <jie@codesourcery.com>
6940
6941         PR 43564
6942         * toplev.c (process_options): Set optimization_default_node
6943         and optimization_current_node.
6944         * opts.c (decode_options): Don't set optimization_default_node
6945         and optimization_current_node.
6946
6947 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
6948
6949         * config/rtems.h: Abandon -qrtems_debug.
6950
6951 2010-03-28  Jan Hubicka  <jh@suse.cz>
6952
6953         PR tree-optimization/43505
6954         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
6955         map should not be copied.
6956
6957 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6958
6959         PR middle-end/41674
6960         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
6961         cdtors, set DECL_PRESERVE_P.
6962         * ipa.c (cgraph_externally_visible_p): Return true if declaration
6963         should be preseved.
6964
6965 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
6966
6967         PR tree-optimization/43528
6968         * stor-layout.c (place_field): Check that constant fits into
6969         unsigned HWI when skipping calculation of MS bitfield layout.
6970
6971 2010-03-27  Jan Hubicka  <jh@suse.cz>
6972
6973         PR middle-end/43391
6974         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
6975         notice_global_symbol work.
6976
6977 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
6978
6979         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
6980         instead of dwarf2out_decl.
6981         (struct var_loc_node): Remove section_label field.
6982         (dwarf2out_function_decl): New function.
6983         (dwarf2out_var_location): Don't set section_label field.
6984         (dwarf2out_begin_function): Don't empty decl_loc_table here.
6985
6986 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
6987
6988         PR tree-optimization/43544
6989         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6990         First argument for builtin vectorized function hook is now a
6991         tree to be able to distinguish between machine specific and
6992         standard builtins.
6993         * targhooks.c (default_builtin_vectorized_function): Ditto.
6994         * targhooks.h (default_builtin_vectorized_function): Ditto.
6995         * target.h (struct gcc_target): Ditto.
6996         * tree-vect-stmts.c (vectorizable_function): Ditto.
6997         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
6998         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
6999         Ditto.
7000
7001 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
7002
7003         PR c/43381
7004         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
7005         nested binding iff it is a FUNCTION_DECL.
7006         (store_parm_decls_newstyle): Pass nested=true to bind for
7007         FUNCTION_DECLs amongst parameters.
7008
7009 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
7010
7011         * var-tracking.c (vt_expand_loc_callback): Don't run
7012         cselib_expand_value_rtx_cb in dummy mode if
7013         cselib_dummy_expand_value_rtx_cb returned false.
7014
7015         * var-tracking.c (emit_note_insn_var_location): For one part
7016         notes with offset 0, don't add EXPR_LIST around the location.
7017         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
7018         add_location_or_const_value_attribute): Adjust for that change.
7019
7020         PR debug/43540
7021         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
7022         into first operand and location into second.
7023         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
7024         dw_cfi_oprnd_loc for DW_CFA_expression.
7025         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
7026         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
7027         assume first argument is regnum and second argument is location.
7028
7029 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
7030
7031         PR target/42113
7032         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
7033         of scratch register to DImode.  Split to DImode comparison operator.
7034         Use SImode subreg of scratch register in the multiplication.
7035         (*cmp_sadd_sidi): Ditto.
7036         (*cmp_ssub_si): Ditto.
7037         (*cmp_ssub_sidi): Ditto.
7038
7039 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
7040
7041         PR target/43524
7042         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
7043         Remove invalid assert and wrong comment.
7044
7045 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
7046
7047         PR debug/43516
7048         * flags.h (final_insns_dump_p): New extern.
7049         * final.c (final_insns_dump_p): New variable.
7050         (rest_of_clean_state): Set it before -fdump-final-insns=
7051         dumping, clear afterwards.
7052         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
7053         MEM_ALIAS_SET on MEMs.
7054
7055 2010-03-26  David S. Miller  <davem@davemloft.net>
7056
7057         * configure.ac: Fix sparc GOTDATA_OP bug check.
7058         * configure: Rebuild.
7059
7060 2010-03-26  Alan Modra  <amodra@gmail.com>
7061
7062         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
7063
7064 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7065
7066         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
7067         TLS_SECTION_ASM_FLAG.
7068
7069 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
7070
7071         PR bootstrap/43511
7072         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
7073         Clear first_function_block_is_cold.
7074
7075         PR c/43385
7076         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
7077         argument if the argument is truth_value_p.
7078
7079 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7080
7081         * config/rs6000/constraints.md: Update copyright year for my changes.
7082
7083         PR target/43484
7084         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
7085         used in reg+reg addressing, swap registers.
7086
7087 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
7088
7089         PR debug/43293
7090         * target.h (struct gcc_target): Add code_end hook.
7091         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
7092         if not yet defined.
7093         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
7094         * toplev.c (compile_file): Call targetm.asm_out.code_end
7095         hook before unwind info/debug info output.
7096         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
7097         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
7098         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
7099         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
7100         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
7101         * config/i386/i386.c (ix86_file_end): Renamed to...
7102         (ix86_code_end): ... this.  Make static.  Don't call
7103         file_end_indicate_exec_stack.  Emit unwind info using
7104         final_start_function/final_end_function.
7105         (darwin_x86_file_end): Remove.
7106         (TARGET_ASM_CODE_END): Define.
7107         * config/i386/i386.h (TARGET_ASM_FILE_END,
7108         NEED_INDICATE_EXEC_STACK): Don't define.
7109         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
7110         (TARGET_ASM_FILE_END): Define to darwin_file_end.
7111         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
7112         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
7113
7114         PR target/43498
7115         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
7116         at the beginning and final_end_function at the end.
7117         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
7118
7119 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7120
7121         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
7122         and Sun as TLS syntax.
7123         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
7124         * configure: Regenerate.
7125         * config.in: Regenerate.
7126         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
7127         (default_elf_asm_named_section): Use it.
7128         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
7129         (i386_output_dwarf_dtprel): Likewise.
7130         (output_addr_const_extra): Likewise.
7131         (output_pic_addr_const): Lowercase @GOTTPOFF.
7132         (output_addr_const_extra): Likewise.
7133         (output_pic_addr_const): Lowercase @GOTNTPOFF.
7134         (output_addr_const_extra): Likewise.
7135         (output_pic_addr_const): Lowercase @INDNTPOFF.
7136         (output_addr_const_extra): Likewise.
7137         (output_pic_addr_const): Lowercase @NTPOFF.
7138         (output_addr_const_extra): Likewise.
7139         (output_pic_addr_const): Lowercase @TPOFF.
7140         (output_addr_const_extra): Likewise.
7141         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
7142         (*tls_global_dynamic_64): Likewise.
7143         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
7144         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
7145
7146         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
7147         (ASM_OUTPUT_TLS_COMMON): Use it.
7148         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
7149
7150         PR target/38118
7151         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
7152         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
7153         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
7154         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
7155         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7156         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
7157
7158 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7159
7160         * config/i386/i386.c (override_options): Don't accept
7161         -mtls-dialect=sun any longer.
7162         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
7163         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
7164         (*tls_local_dynamic_base_32_sun): Likewise.
7165         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7166
7167 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
7168
7169         PR debug/43508
7170         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7171         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
7172
7173         PR debug/43479
7174         * ira.c (adjust_cleared_regs): New function.
7175         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
7176
7177         PR debug/19192
7178         PR debug/43479
7179         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
7180         from gimple_block.
7181         * expr.c (expand_expr_real): Restore previous
7182         curr_insn_source_location and curr_insn_block after
7183         expand_expr_real_1 call.
7184         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
7185         instead of expand_expr_real_1.
7186
7187 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
7188
7189         PR rtl-optimization/43413
7190         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
7191         hard regs too.
7192
7193 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
7194
7195         PR target/43348
7196         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
7197         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
7198
7199 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
7200
7201         * config/i386/i386.c (ix86_target_string): Add -mfma.
7202         Fix a typo in comment.
7203
7204 2010-03-22  Mike Stump  <mikestump@comcast.net>
7205
7206         PR target/23071
7207         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
7208         Don't overly align based upon packed packed fields.
7209
7210 2010-03-22  Jason Merrill  <jason@redhat.com>
7211
7212         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
7213         Use () rather than [], and move before the element type.
7214
7215 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7216
7217         * doc/configfiles.texi (Configuration Files): Removed
7218         fixinc/Makefile*, intl/Makefile.*.
7219         * doc/makefile.texi: Fixed markup. Abstract from version
7220         control system used.
7221         (Makefile): Removed obsolete gcc/java/parse.y example.
7222         * doc/sourcebuild.texi: Likewise.
7223         (Top Level): Added config, gnattools, libdecnumber, libgcc,
7224         libgomp, libssp.  Removed fastjar.
7225         (Miscellaneous Docs): Clarify location.
7226         Added COPYING3, COPYING3.LIB.
7227         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
7228
7229 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7230
7231         PR target/38085
7232         * config/i386/i386.c (x86_function_profiler)
7233         [!NO_PROFILE_COUNTERS]: Fix typo.
7234         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
7235         instead of callq.
7236
7237 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
7238             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7239
7240         * doc/sourcebuild.texi (Test Directives): Split into six
7241         subsections, with most of the current text in new subsections
7242         Directives, Selectors, and Final Actions.
7243         (Directives): Split list of test directives into multiple
7244         subsubsections.
7245         (Selectors): Describe use and syntax of selectors.
7246         (Effective-Target Keywords): Describe all existing keywords.
7247         (Add Options): Describe features for dg-add-options.
7248         (Require Support): Describe variants of dg-require-support.
7249         (Final Actions): Describe commands to use in dg-final.
7250
7251 2010-03-22  Michael Matz  <matz@suse.de>
7252
7253         PR middle-end/43475
7254         * recog.c (validate_replace_rtx_group): Replace also in
7255         REG_EQUAL and REG_EQUIV notes.
7256
7257 2010-03-22  Richard Guenther  <rguenther@suse.de>
7258
7259         PR tree-optimization/43390
7260         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
7261         sure vector extracts are type correct.
7262
7263 2010-03-22  Richard Guenther  <rguenther@suse.de>
7264
7265         PR middle-end/40106
7266         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
7267         x * sqrt (x) even when optimizing for size if the target
7268         has native support for sqrt.
7269
7270 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
7271
7272         * varasm.c (make_decl_rtl_for_debug): Also clear
7273         flag_mudflap for the duration of make_decl_rtl call.
7274
7275         PR debug/43443
7276         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
7277         locs from preserved VALUEs.
7278
7279 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7280
7281         PR middle-end/42718
7282         * pa.md (movmemsi): Set align to one if zero.
7283         (movmemdi): Likewise.
7284
7285 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
7286
7287         PR target/42321
7288         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
7289         with their corresponding prologue pushes.
7290
7291 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
7292
7293         PR target/43156
7294         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
7295         at the begining or end.
7296         (spu_expand_epilogue): Likewise.
7297
7298 2010-03-20  Richard Guenther  <rguenther@suse.de>
7299
7300         PR rtl-optimization/43438
7301         * combine.c (make_extraction): Properly zero-/sign-extend an
7302         extraction of the low part of a CONST_INT.  Also handle
7303         CONST_DOUBLE.
7304
7305 2010-03-19  Mike Stump  <mikestump@comcast.net>
7306
7307         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
7308         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
7309         (override_options): Use SUBTARGET32_DEFAULT_CPU.
7310
7311 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
7312
7313         PR c/43211
7314         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
7315         an error.
7316
7317 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
7318
7319         PR rtl-optimization/42258
7320         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
7321         use that may match DEF.
7322
7323         PR target/40697
7324         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
7325         the cost of loading the constant rather than assuming
7326         COSTS_N_INSNS (1).
7327         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
7328         outer code is AND, do the same tests as the andsi3 expander and
7329         return COSTS_N_INSNS (1) if and is cheap.
7330
7331         * optabs.c (avoid_expensive_constant): Fix formatting.
7332
7333 2010-03-19  Michael Matz  <matz@suse.de>
7334
7335         PR c++/43116
7336         * attribs.c (decl_attributes): When rebuilding a function pointer
7337         type use the same qualifiers as the original pointer type.
7338
7339 2010-03-19  Martin Jambor  <mjambor@suse.cz>
7340
7341         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
7342         and is_gimple_ip_invariant_address.
7343
7344 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7345
7346         Revert
7347         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7348
7349         * config/arm/arm.c (arm_override_options): Turn off
7350         flag_dwarf2_cfi_asm for AAPCS variants.
7351
7352 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7353
7354         PR target/43399
7355         * config/arm/arm.c (emit_multi_reg_push): Update comments.
7356         Use PRE_MODIFY instead of PRE_DEC.
7357         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
7358         (vfp_emit_fstmd): Likewise.
7359
7360 2010-03-19  Michael Matz  <matz@suse.de>
7361
7362         PR target/43305
7363         * builtins.c (expand_builtin_interclass_mathfn,
7364         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
7365         if that fails.
7366
7367 2010-03-19  Richard Guenther  <rguenther@suse.de>
7368
7369         PR tree-optimization/43415
7370         * tree-ssa-pre.c (phi_translate): Split out worker to ...
7371         (phi_translate_1): ... this.
7372         (phi_translate): Move all caching here.  Cache all NARY
7373         and REFERENCE translations.
7374
7375 2010-03-19  David S. Miller  <davem@davemloft.net>
7376
7377         With help from Eric Botcazou.
7378         * config/sparc/sparc.c: Include dwarf2out.h.
7379         (emit_pic_helper): Delete.
7380         (pic_helper_symbol_name): Delete.
7381         (pic_helper_emitted_p): Delete.
7382         (pic_helper_needed): New.
7383         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
7384         (get_pc_thunk_name): New.
7385         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
7386         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
7387         Set pic_helper_needed to true.  Don't call emit_pic_helper.
7388         (sparc_expand_prologue): Update load_pic_register call.
7389         (sparc_output_mi_thunk): Likewise.
7390         (sparc_file_end): Emit a hidden comdat symbol for the PIC
7391         thunk if possible.  Output CFI information as needed.
7392
7393 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
7394             Jack Howarth <howarth@bromo.med.uc.edu>
7395
7396         PR target/36399
7397         * config/i386/i386.h: Fix ABI on darwin x86-32.
7398
7399 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
7400
7401         * tree.h: Declare make_decl_rtl_for_debug.
7402         * varasm.c (make_decl_rtl_for_debug): New.
7403         * dwarf2out.c (rtl_for_decl_location): Call it.
7404         * cfgexpand.c (expand_debug_expr): Call it.
7405
7406 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
7407
7408         PR bootstrap/43399
7409         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
7410         mem_mode.
7411
7412         PR bootstrap/43403
7413         * var-tracking.c (vt_init_cfa_base): Do nothing if
7414         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
7415
7416 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
7417
7418         PR debug/42873
7419         * var-tracking.c (canonicalize_vars_star): New.
7420         (dataflow_post_merge_adjust): Use it.
7421
7422 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
7423
7424         PR debug/43058
7425         * var-tracking.c (non_suitable_const): New function.
7426         (add_uses): For DEBUG_INSNs with constants, don't record any
7427         value, instead just the constant value itself.
7428         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
7429         is not VAR_LOC_UNKNOWN_P, set var to the constant.
7430         (emit_notes_in_bb): Likewise.
7431         (emit_note_insn_var_location): For onepart variables if
7432         cur_loc is a VOIDmode constant, use DECL_MODE.
7433
7434 2010-03-18  Martin Jambor  <mjambor@suse.cz>
7435
7436         PR middle-end/42450
7437         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
7438         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
7439         all non-clones.  Moved call redirection...
7440         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
7441         (cgraph_materialize_all_clones): Dispose of all
7442         combined_args_to_skip bitmaps.
7443         (verify_cgraph_node): Do not check for edges pointing to wrong
7444         nodes in inline clones.
7445         * tree-inline.c (copy_bb): Call
7446         cgraph_redirect_edge_call_stmt_to_callee.
7447         * ipa.c (cgraph_remove_unreachable_nodes): Call
7448         cgraph_node_remove_callees even when there are used clones.
7449
7450 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
7451
7452         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
7453
7454 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
7455
7456         PR target/43383
7457         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
7458         for 32bit.
7459
7460 2010-03-18  Michael Matz  <matz@suse.de>
7461
7462         PR middle-end/43419
7463         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
7464         into sqrt(x) if we need to preserve signed zeros.
7465
7466 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
7467             Eric Botcazou  <ebotcazou@adacore.com>
7468
7469         PR rtl-optimization/43360
7470         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
7471         note if we don't know its invariant status.
7472
7473 2010-03-18  Michael Matz  <matz@suse.de>
7474
7475         PR tree-optimization/43402
7476         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
7477         PHI chains of ssa names registered for update.
7478
7479 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
7480
7481         PR target/42427
7482         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
7483         non-offsettable and pre_modify update addressing.
7484         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
7485         and "2" alternatives "#".
7486         (*movdd_softfloat32): Make all alternatives "#";
7487         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
7488         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
7489         (*movdf_softfloat32): Make all alternatives "#";
7490         (movdi): Use the new DIFD mode iterator to create a common splitter
7491         for movdi, movdf and movdd patterns.
7492
7493 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
7494
7495         * common.opt (dumpdir): Remove redundant tab.
7496
7497 2010-03-17  Martin Jambor  <mjambor@suse.cz>
7498
7499         PR tree-optimization/43347
7500         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
7501         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
7502
7503 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
7504
7505         PR rtl-optimization/42216
7506         * regrename.c (create_new_chain): New function, broken out from...
7507         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
7508         appending a use to an empty chain.
7509         (build_def_use): Remove previous changes that convert OP_INOUT to
7510         OP_OUT operands; instead detect the case where an OP_INOUT operand
7511         uses a previously untracked register and create an empty chain for it.
7512
7513 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7514
7515         * doc/extend.texi (Function Attributes): Rewrite unfinished
7516         sentence in ms_abi documentation.
7517
7518 2010-03-17  Alan Modra  <amodra@gmail.com>
7519
7520         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
7521         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
7522         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
7523         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
7524
7525 2010-03-16  Richard Henderson  <rth@redhat.com>
7526
7527         PR middle-end/43365
7528         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
7529         (lower_try_finally): Save and restore eh_seq around the expansion
7530         of the try-finally.
7531
7532 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
7533
7534         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
7535         statements before splitting block.
7536
7537 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7538
7539         * doc/sourcebuild.texi (Testsuites): Fix markup.
7540         Use pathnames relative to gcc/testsuite.
7541         (Test Directives): Move description of how timeout is determined.
7542         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
7543         (C Tests): Correct gcc.misc-tests directory.
7544         Framework tests now live in gcc.test-framework.
7545
7546 2010-03-16  Richard Guenther  <rguenther@suse.de>
7547
7548         PR middle-end/43379
7549         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
7550         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
7551
7552 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
7553             Alexandre Oliva  <aoliva@redhat.com>
7554
7555         PR tree-optimization/42917
7556         * lambda-code.c (remove_iv): Skip debug statements.
7557         (lambda_loopnest_to_gcc_loopnest): Likewise.
7558         (not_interesting_stmt): Debug statements are not interesting.
7559
7560 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
7561
7562         PR debug/43051
7563         PR debug/43092
7564         * cselib.c (cselib_preserve_constants,
7565         cfa_base_preserved_val): New static variables.
7566         (preserve_only_constants): New function.
7567         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
7568         clear its REG_VALUES.  If cselib_preserve_constants, don't
7569         empty the whole hash table, but preserve there VALUEs with constants,
7570         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
7571         (cselib_preserve_cfa_base_value): New function.
7572         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
7573         (cselib_init): Change argument to int bitfield.  Set
7574         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
7575         is in it.
7576         (cselib_finish): Clear cselib_preserve_constants and
7577         cfa_base_preserved_val.
7578         * cselib.h (enum cselib_record_what): New enum.
7579         (cselib_init): Change argument to int.
7580         (cselib_preserve_cfa_base_value): New prototype.
7581         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
7582         * dse.c (dse_step1): Likewise.
7583         * cfgcleanup.c (thread_jump): Likewise.
7584         * sched-deps.c (sched_analyze): Likewise.
7585         * gcse.c (local_cprop_pass): Likewise.
7586         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
7587         If FN is non-NULL, call the callback always and whenever it returns
7588         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
7589         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
7590         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
7591         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
7592         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
7593         * var-tracking.c: Include recog.h.
7594         (bb_stack_adjust_offset): Remove.
7595         (vt_stack_adjustments): Don't call it, instead just gather the
7596         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
7597         (adjust_stack_reference): Remove.
7598         (compute_cfa_pointer): New function.
7599         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
7600         (struct adjust_mem_data): New type.
7601         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
7602         functions.
7603         (get_address_mode): New function.
7604         (replace_expr_with_values): Use it.
7605         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
7606         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
7607         (adjust_sets): Remove.
7608         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
7609         Use get_address_mode.
7610         (get_adjusted_src): Remove.
7611         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
7612         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
7613         (add_with_sets): Don't call adjust_sets.
7614         (fp_setter, vt_init_cfa_base): New functions.
7615         (vt_initialize): Change return type to bool.  Move most of pool etc.
7616         initialization to the beginning of the function from end.  Pass
7617         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
7618         If !frame_pointer_needed, call vt_stack_adjustment before mos
7619         vector is filled, call vt_init_cfa_base if argp/framep has been
7620         eliminated to sp.  If frame_pointer_needed and argp/framep has
7621         been eliminated to hard frame pointer, set
7622         hard_frame_pointer_adjustment and call vt_init_cfa_base after
7623         encountering fp setter in the prologue.  For MO_ADJUST, call
7624         log_op_type before pusing the op into mos vector, not afterwards.
7625         Call adjust_insn before cselib_process_insn/add_with_sets,
7626         call cancel_changes (0) afterwards.
7627         (variable_tracking_main_1): Adjust for vt_initialize calling
7628         vt_stack_adjustments and returning whether it succeeded or not.
7629
7630 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
7631
7632         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
7633         debug statements.
7634
7635 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
7636
7637         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
7638         has been set.
7639         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
7640         drap_reg has not been set.
7641
7642 2010-03-15  Michael Matz  <matz@suse.de>
7643
7644         PR middle-end/43300
7645         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
7646         use it to expand block copies.
7647         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
7648         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
7649         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
7650
7651 2010-03-15  Richard Guenther  <rguenther@suse.de>
7652
7653         PR tree-optimization/43367
7654         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
7655         elimination check.
7656
7657 2010-03-15  Richard Guenther  <rguenther@suse.de>
7658
7659         PR tree-optimization/43317
7660         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
7661
7662 2010-03-15  Martin Jambor  <mjambor@suse.cz>
7663
7664         PR tree-optimization/43141
7665         * tree-sra.c (create_abstract_origin): New function.
7666         (modify_function): Call create_abstract_origin.
7667
7668 2010-03-15  Chris Demetriou  <cgd@google.com>
7669
7670         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
7671         wasn't copied.
7672
7673 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7674
7675         PR middle-end/43354
7676         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
7677         call insert_out_of_ssa_copy for default definitions.
7678
7679 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7680
7681         * graphite-clast-to-gimple.c (my_long_long): Defined.
7682         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
7683         * graphite-sese-to-poly.c (my_long_long): Defined.
7684         (scop_ivs_can_be_represented): Use it.
7685
7686 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7687
7688         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
7689         graphite-max-bbs-per-function, and loop-block-tile-size.
7690         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
7691         with "maximum".
7692         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
7693
7694 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7695
7696         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
7697         forward declaration.
7698         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
7699         (add_upper_bounds_from_estimated_nit): New.
7700         (build_loop_iteration_domains): Use it.
7701
7702 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7703
7704         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
7705
7706 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7707
7708         PR middle-end/43306
7709         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
7710         should be an INTEGER_CST.  Also handle CASE_CONVERT.
7711
7712 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7713
7714         * graphite.c (graphite_initialize): To bound the number of bbs per
7715         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
7716         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
7717         * doc/invoke.texi: Document it.
7718
7719 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7720
7721         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
7722         * graphite-sese-to-poly.h (build_poly_scop): Same.
7723
7724 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
7725
7726         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
7727         the number of parameters in the scop.  Use as an upper bound
7728         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
7729         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
7730         * doc/invoke.texi: Document it.
7731
7732 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
7733
7734         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
7735         * doc/c-tree.texi: Remove.
7736         * doc/generic.texi: Merge c-tree.texi here.
7737         * doc/gccint.texi (Trees): Remove menu entry.
7738         (c-tree.texi): Remove @include.
7739         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
7740         * doc/languages.texi (Reading RTL): Ditto.
7741
7742 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
7743
7744         PR target/42869
7745         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
7746
7747 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
7748
7749         PR middle-end/42431
7750         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
7751         code added to work around reload clobbering CONST insns.
7752
7753 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
7754
7755         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
7756         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
7757         (cselib_preserve_only_values): Remove retain argument, don't
7758         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
7759         * cselib.h (cselib_preserve_only_values): Remove retain argument.
7760         * var-tracking.c (micro_operation): Move insn field before union.
7761         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
7762         (struct variable_tracking_info_def): Remove n_mos field, change
7763         mos into a vector of micro_operations.
7764         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
7765         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
7766         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
7767         changing into a vector.
7768         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
7769         come before all other uops generated by add_stores.
7770         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
7771         argument removal.
7772         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
7773         a vector.  Run just one pass over the bbs instead of separate counting
7774         and computation phase.
7775         (vt_finalize): Free VTI (bb)->mos vector instead of array.
7776
7777         PR debug/43329
7778         * tree-inline.c (remap_decls): Put old_var rather than origin_var
7779         into *nonlocalized_list vector.
7780         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
7781         even if origin is non-NULL.
7782         (gen_variable_die): Likewise.
7783         (process_scope_var): Don't change origin.
7784         (gen_decl_die): Likewise.
7785         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
7786         before adding new edges instead of after it, fix moving over
7787         debug stmts.
7788
7789 2010-03-11  David S. Miller  <davem@davemloft.net>
7790
7791         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
7792         of four.
7793         * configure: Rebuild.
7794
7795 2010-03-11  Martin Jambor  <mjambor@suse.cz>
7796
7797         PR tree-optimization/43257
7798         * tree.c (assign_assembler_name_if_neeeded): New function.
7799         (free_lang_data_in_cgraph): Assembler name assignment moved to the
7800         above new function.
7801         * tree.h (assign_assembler_name_if_neeeded): Declare.
7802         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
7803         the function if needed.
7804
7805 2010-03-11  Chris Demetriou  <cgd@google.com>
7806
7807         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
7808         include/stdint-gcc.h, and include/stdint.h world-readable.
7809
7810 2010-03-11  Richard Guenther  <rguenther@suse.de>
7811
7812         PR tree-optimization/43255
7813         * tree-vrp.c (process_assert_insertions_for): Do not insert
7814         asserts for trivial conditions.
7815
7816 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7817
7818         PR tree-optimization/43280
7819         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
7820         generation.  Move calculation of size out of the if branch.
7821         (find_bswap): Modify compare number generation.
7822
7823 2010-03-11  Richard Guenther  <rguenther@suse.de>
7824
7825         PR lto/43200
7826         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
7827         (input_gimple_stmt): Fixup handled component types during
7828         operand read.  Also fix up decls in ADDR_EXPRs.
7829
7830 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
7831
7832         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
7833         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
7834
7835 2010-03-10  Jan Hubicka  <jh@suse.cz>
7836
7837         PR c/43288
7838         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
7839         * varasm.c (get_variable_section): Don't do that here...
7840         (make_decl_rtl): ... and here.
7841         (do_assemble_alias): Produce decl RTL.
7842         (assemble_alias): Likewise.
7843
7844 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
7845
7846         PR debug/43290
7847         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
7848         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
7849         of fde->vdrap_reg.
7850         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
7851         (based_loc_descr): Only express drap or vdrap regno based expressions
7852         using DW_OP_fbreg when not optimizing.
7853         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
7854         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
7855         REG_CFA_SET_VDRAP note.
7856
7857 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
7858
7859         PR tree-optimization/43236
7860         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
7861         error in calculation of base address in reverse iteration case.
7862         (generate_builtin): Take number of latch executions if the statement
7863         is in the latch.
7864
7865 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
7866
7867         PR middle-end/42859
7868         * tree-eh.c: Include pointer-set.h.
7869         (lower_eh_dispatch): Filter out duplicate case labels and
7870         remove the unneeded edge when the label is unused.  Return
7871         true when some edges are removed.
7872         (execute_lower_eh_dispatch): When any lowering resulted in
7873         removing an edge, also delete unreachable blocks.
7874
7875 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
7876
7877         PR bootstrap/43287
7878         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
7879         UNSPEC_MACHOPIC_OFFSET.
7880
7881 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
7882
7883         PR target/43294
7884         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
7885         (m68k_delegitimize_address): New function.
7886
7887 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
7888
7889         PR debug/43299
7890         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
7891
7892         PR debug/43299
7893         * var-tracking.c (adjust_sets): New function.
7894         (count_with_sets, add_with_sets): Use it.
7895         (get_adjusted_src): New inline function.
7896         (add_stores): Use it.
7897
7898         PR debug/43304
7899         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
7900         call cselib_dummy_expand_value_rtx_cb instead of
7901         cselib_expand_value_rtx_cb.
7902
7903         PR debug/43293
7904         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
7905         * config/i386/i386.c: Include debug.h and dwarf2out.h.
7906         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
7907         and .cfi_endproc around the pic thunks.
7908         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
7909         all queued unwind info register saves are saved before the call.
7910         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
7911         considered as sp-=4 for unwind info and the pop as sp+=4 which
7912         also clobbers dest, but doesn't actually restore it.
7913
7914         PR debug/43290
7915         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
7916         RTX_FRAME_RELATED_P.
7917
7918 2010-03-09  Jie Zhang  <jie@codesourcery.com>
7919
7920         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
7921         whitespaces in output template.
7922
7923 2010-03-09  Jie Zhang  <jie@codesourcery.com>
7924
7925         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
7926         out array boundary.
7927
7928 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
7929
7930         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
7931         builtins.exp in a separate job.
7932
7933 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7934
7935         * graphite-sese-to-poly.c (add_param_constraints): Use
7936         lower_bound_in_type and upper_bound_in_type.
7937
7938 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7939
7940         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
7941         instead of unsigned_type_node.
7942
7943 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7944             Reza Yazdani  <reza.yazdani@amd.com>
7945
7946         PR middle-end/43065
7947         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
7948         on pointer type parameters.
7949
7950 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7951
7952         PR middle-end/42644
7953         PR middle-end/42130
7954         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
7955         handle conversions from pointer to integers.
7956         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
7957         induction variable, to be able to work with code generated by CLooG.
7958         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
7959         (build_poly_scop): Bail out if we cannot codegen a loop.
7960
7961 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
7962
7963         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
7964         code generation with gloog_error.
7965
7966 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7967
7968         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
7969         Call fold_convert on all the returned values.
7970         (expand_scalar_variables_expr): Pass to
7971         expand_scalar_variables_ssa_name the type of the resulting expression.
7972
7973 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7974
7975         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
7976         ppl_min_for_le_pointset.
7977         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
7978         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
7979
7980 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7981
7982         * graphite-dependences.c (map_into_dep_poly): Removed.
7983         (dependence_polyhedron_1): Use combine_context_id_scat.
7984
7985 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7986
7987         * graphite-poly.h (struct poly_scattering): Add layout documentation.
7988         (struct poly_bb): Same.
7989         (combine_context_id_scat): New.
7990
7991 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7992
7993         PR middle-end/42326
7994         * sese.c (name_defined_in_loop_p): Return false for default
7995         definitions.
7996
7997 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
7998
7999         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
8000         and clean up the logic.
8001
8002 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8003
8004         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
8005         early return.
8006
8007 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
8008
8009         * var-tracking.c (remove_cselib_value_chains): Define only for
8010         ENABLE_CHECKING.
8011         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
8012         delete_slot_part, emit_notes_for_differences_1): Don't call
8013         remove_cselib_value_chains here.
8014         (set_slot_part, emit_notes_for_differences_2): Don't call
8015         add_cselib_value_chains here.
8016         (preserved_values): New vector.
8017         (preserve_value): New function.
8018         (add_uses, add_stores, vt_add_function_parameters): Use it
8019         instead of cselib_preserve_value.
8020         (changed_values_stack): New vector.
8021         (check_changed_vars_0): New function.
8022         (check_changed_vars_1, check_changed_vars_2): Use it.
8023         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
8024         changed_values_stack VALUEs.
8025         (vt_emit_notes): For all preserved_values call
8026         add_cselib_value_chains.  If ENABLE_CHECKING call
8027         remove_cselib_value_chains before verifying value_chains is empty.
8028         Initialize and free changed_values_stack.
8029         (vt_initialize): Initialize preserved_values.
8030         (vt_finalize): Free preserved_values.
8031
8032 2010-03-08  Richard Guenther  <rguenther@suse.de>
8033
8034         PR tree-optimization/43269
8035         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
8036         region detection.
8037
8038 2010-03-08  Martin Jambor  <mjambor@suse.cz>
8039
8040         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
8041         (ipa_is_param_called): Removed.
8042         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
8043         (ipa_print_node_params): Do not print the called flag.
8044         (ipa_write_node_info): Do not stream the called flag.
8045         (ipa_read_node_info): Likewise.
8046
8047 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
8048
8049         PR debug/43176
8050         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
8051         * cselib.c (struct expand_value_data): Add dummy field.
8052         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
8053         dummy to false.
8054         (cselib_dummy_expand_value_rtx_cb): New function.
8055         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
8056         any rtl.
8057         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
8058         * var-tracking.c: Include pointer-set.h.
8059         (variable): Change n_var_parts to char from int.  Add
8060         cur_loc_changed and in_changed_variables fields.
8061         (variable_canonicalize): Remove.
8062         (shared_var_p): New inline function.
8063         (unshare_variable): Maintain cur_loc_changed and
8064         in_changed_variables fields.  If var was in changed_variables,
8065         replace it there with new_var.  Just copy cur_loc instead of
8066         resetting it to something else.
8067         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
8068         (dataflow_set_union): Don't call variable_canonicalize.
8069         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
8070         of their DEBUG_EXPR_TREE_DECLs.
8071         (canonicalize_loc_order_check): Verify that cur_loc is NULL
8072         and in_changed_variables and cur_loc_changed is false.
8073         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
8074         and cur_loc_changed.  Don't update cur_loc here.
8075         (variable_merge_over_src): Don't call variable_canonicalize.
8076         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
8077         removing loc that is equal to cur_loc, clear cur_loc,
8078         set cur_loc_changed and ensure variable_was_changed is called.
8079         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
8080         compare pointers in cur_loc check, if it is equal to loc,
8081         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
8082         (variable_different_p): Remove compare_current_location argument,
8083         don't compare cur_loc.
8084         (dataflow_set_different_1): Adjust variable_different_p caller.
8085         (variable_was_changed): If dv had some var in changed_variables
8086         already, reset in_changed_variables flag for it and propagate
8087         cur_loc_changed over to the new variable.  On empty var
8088         always set cur_loc_changed.  Set in_changed_variables on whatever
8089         var is added to changed_variables.
8090         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
8091         Use shared_var_p.  When removing loc that is equal to cur_loc,
8092         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
8093         end, don't set it to something else, just call variable_was_changed.
8094         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
8095         loc being removed, clear cur_loc and set cur_loc_changed.
8096         Set cur_loc_changed if all locations have been removed.
8097         (struct expand_loc_callback_data): New type.
8098         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
8099         allocated.  Always create SUBREGs if simplify_subreg failed.
8100         Prefer to use cur_loc, when that fails and still in
8101         changed_variables (and seen first time) recompute it.  Set
8102         cur_loc_changed of variables which had to change cur_loc and
8103         compute elcd->cur_loc_changed if any of the subexpressions used
8104         had to change cur_loc.
8105         (vt_expand_loc): Adjust to pass arguments in
8106         expand_loc_callback_data structure.
8107         (vt_expand_loc_dummy): New function.
8108         (emitted_notes): New variable.
8109         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
8110         that weren't used for any other decl in current
8111         emit_notes_for_changes call call vt_expand_loc_dummy to update
8112         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
8113         first loc_chain location if NULL before.  Always use just
8114         cur_loc instead of first loc_chain location.  When cur_loc_changed
8115         is false, when not --enable-checking=rtl just don't emit any note.
8116         When rtl checking, compute the note and assert it is the same
8117         as previous note.  Clear cur_loc_changed and in_changed_variables
8118         at the end before removing from changed_variables.
8119         (check_changed_vars_3): New function.
8120         (emit_notes_for_changes): Traverse changed_vars to call
8121         check_changed_vars_3 on each changed var.
8122         (emit_notes_for_differences_1): Clear cur_loc_changed and
8123         in_changed_variables.  Recompute cur_loc of new_var.
8124         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
8125         (vt_emit_notes): Initialize and destroy emitted_notes.
8126
8127 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
8128
8129         PR rtl-optimization/42220
8130         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
8131         Use verify_reg_tracked to determine if we should use OP_OUT rather
8132         than OP_INOUT.
8133         (build_def_use): If we see an in-out operand for a register that we
8134         know nothing about, treat is an output if possible, fail the block if
8135         not.
8136
8137 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8138
8139         PR debug/42897
8140         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
8141         permanently.
8142
8143 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8144
8145         PR debug/42897
8146         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
8147         uses of relevant DEFs that are dead outside the loop too.
8148
8149 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
8150
8151         * var-tracking.c (dataflow_set_merge): Swap src and src2.
8152         Reverted:
8153         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
8154         PR debug/41371
8155         * var-tracking.c (values_to_unmark): New variable.
8156         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8157         values_to_unmark vector.  Moved body to...
8158         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
8159         instead queue it into values_to_unmark vector.
8160         (vt_find_locations): Free values_to_unmark vector.
8161
8162 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
8163
8164         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
8165         (site.exp): Export them when plugins are enabled.
8166
8167 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
8168
8169         PR middle-end/42326
8170         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
8171         that contain scevs.
8172         (chrec_fold_multiply): Same.
8173
8174 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
8175
8176         PR c/43248
8177         * c-decl.c (build_compound_literal): Return early if init is
8178         an error_mark_node.
8179
8180 2010-03-04  Martin Jambor  <mjambor@suse.cz>
8181
8182         PR tree-optimization/43164
8183         PR tree-optimization/43191
8184         * tree-sra.c (type_consists_of_records_p): Reject records with
8185         zero-size bit-fields at the end.
8186
8187 2010-03-04  Mike Stump  <mikestump@comcast.net>
8188
8189         * Makefile.in (TAGS): Remove *.y.
8190
8191 2010-03-04  Richard Guenther  <rguenther@suse.de>
8192
8193         PR tree-optimization/40761
8194         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
8195         in reverse order.
8196         (my_rev_post_order_compute): New function.
8197         (init_pre): Call it.
8198
8199 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
8200
8201         PR middle-end/43209
8202         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
8203         decrease the cost of an IV candidate when the cost is infinite.
8204
8205 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8206
8207         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
8208         Use '3DNow!' for the extension of that name, ensure normal space
8209         after the string.
8210         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
8211
8212 2010-03-03  Jeff Law  <law@redhat.com>
8213
8214         * PR middle-end/32693
8215         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
8216         than gen_rtx_SUBREG.
8217         (extract_bit_field_1): Likewise.
8218
8219 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
8220
8221         * doc/sourcebuild.texi (Test directives): Document that arguments
8222         include-opts and exclude-opts are now optional for dg-skip-if,
8223         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
8224
8225 2010-03-03  Jason Merrill  <jason@redhat.com>
8226
8227         PR c++/12909
8228         * cgraph.h (varpool_node): Add extra_name field.
8229         * varpool.c (varpool_extra_name_alias): New.
8230         (varpool_assemble_decl): Emit extra name aliases.
8231         (varpool_mark_needed_node): Look past an extra name alias.
8232         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
8233         * lto-streamer-in.c (lto_input_tree): Read it.
8234         * lto-streamer-out.c (output_unreferenced_globals): Write it.
8235
8236 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
8237
8238         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
8239         (sparc*-*-solaris2*): ...this.
8240
8241 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
8242
8243         PR debug/43229
8244         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
8245         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
8246         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
8247         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
8248
8249         PR debug/43237
8250         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
8251         fallthrough to default handling, just with want_address 0 instead of 2.
8252         For single element lists, add_AT_loc directly, otherwise create an
8253         artificial variable DIE and stick location list to it.
8254
8255         PR debug/43177
8256         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
8257         (VAL_EXPR_HAS_REVERSE): Define.
8258         (reverse_op): New function.
8259         (add_stores): For reversible operations add an extra MO_VAL_USE.
8260
8261 2010-03-02  Jason Merrill  <jason@redhat.com>
8262
8263         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
8264
8265 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8266
8267         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
8268         (sparc64-*-linux*): Likewise.
8269         (sparc64-*-solaris2*): Include assembler files before linker ones.
8270         (sparc-*-solaris2*): Simplify and reorder to match previous case.
8271         * config/sparc/gas.h: Delete.
8272         * config/sparc/sol2-64.h: Add copyright notice.
8273         * config/sparc/sol2-gas-bi.h: Likewise.
8274         * config/sparc/sol2-gld.h: Likewise.
8275         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
8276         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
8277         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
8278         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
8279         (sparc_elf_asm_named_section): Rename into...
8280         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
8281
8282 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
8283
8284         * config/alpha/alpha.c (override_options): Fix -mtune error message.
8285
8286 2010-03-02  Jeff Law  <law@redhat.com>
8287
8288         PR middle-end/42431
8289         * reload1.c (rtx_p, substitute_stack): Declare.
8290         (substitute): Record addresses of changed rtxs.
8291         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
8292         Restore the original rtx when complete.
8293         (reload): Free subsitute_stack when complete.
8294
8295 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
8296
8297         * doc/gccint.texi (menu): Add Testsuites as a chapter.
8298         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
8299         new chapter.
8300         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
8301         LTO Testing, gcov Testing, profopt Testing, compat Testing,
8302         Torture Tests): Change from subsection to section.
8303
8304 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
8305             Steven Bosscher  <steven@gcc.gnu.org>
8306
8307         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
8308         instead of bb.
8309
8310 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
8311
8312         PR middle-end/42640
8313         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
8314         the assignment from the new induction variable to the assignment
8315         of the value from the original loop PHI function.
8316
8317 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
8318             Daniel Jacobowitz  <dan@codesourcery.com>
8319
8320         * doc/sourcebuild.texi (Test directives): Clarify options to
8321         dg-skip-if.
8322
8323 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8324
8325         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
8326         Disable cfi directives unless GCC and gas agree on using read-only
8327         .eh_frame sections for 64-bit.
8328         * configure: Regenerate.
8329
8330 2010-03-01  Richard Guenther  <rguenther@suse.de>
8331
8332         PR tree-optimization/43220
8333         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
8334         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
8335
8336 2010-03-01  Richard Guenther  <rguenther@suse.de>
8337             Martin Jambor  <mjambor@suse.cz>
8338
8339         PR middle-end/41250
8340         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
8341         gimplified parameters.
8342
8343 2010-03-01  Christian Bruel  <christian.bruel@st.com>
8344
8345         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
8346
8347 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
8348
8349         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
8350
8351 2010-03-01  Richard Guenther  <rguenther@suse.de>
8352
8353         PR middle-end/43213
8354         * expr.c (expand_assignment): Use the alias-oracle to tell
8355         if the rhs aliases the result decl.
8356
8357 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8358
8359         PR pch/14940
8360         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
8361         to sol_gt_pch_get_address.
8362         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
8363         64-bit, SPARC and x86.
8364         (sol_gt_pch_get_address): New function.
8365
8366 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
8367
8368         * toplev.h (inform_n, error_n): Declare.
8369         * diagnostic.c (inform_n, error_n): New function.
8370
8371 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
8372
8373         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
8374         has no rtl yet when processing local_decls, queue it and recheck
8375         if deferred stack allocation hasn't assigned it rtl.
8376
8377 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8378
8379         * config/sh/sh.c (unspec_bbr_uid): New.
8380         (gen_block_redirect): Use it instead of INSN_UID.
8381         (gen_far_branch): Likewise.
8382
8383 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
8384
8385         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
8386         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
8387
8388 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8389
8390         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
8391         (Warning Options): -Wno-conversion-null is valid for
8392         Objective-C++ as well.
8393         * doc/tm.texi (Named Address Spaces): Likewise.
8394         * doc/plugins.texi (Plugins): Replace TABs with spaces.
8395         * doc/tree-ssa.texi (Tree SSA): Likewise.
8396
8397 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8398
8399         PR bootstrap/43202
8400         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
8401         by default.  Don't set the default arch for
8402         i[34567]86-*-darwin*|x86_64-*-darwin*.
8403
8404 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8405
8406         PR bootstrap/43202
8407         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
8408         default.  Set the default 32bit/64bit archs with $with_arch
8409         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
8410
8411 2010-02-27  Richard Guenther  <rguenther@suse.de>
8412
8413         PR tree-optimization/43186
8414         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
8415         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
8416         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
8417         unroller iterations.
8418
8419 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
8420
8421         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
8422         required and i[34567]86-*-* targets don't support 64bit ISA.
8423
8424 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
8425
8426         PR ada/43096
8427         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8428         the same alias set.
8429
8430 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
8431
8432         * config.gcc: Set the default arch at least to Prescott for
8433         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
8434         if SSE math is enabled.
8435
8436 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8437
8438         * diagnostic.c (diagnostic_initialize): Update.
8439         (diagnostic_report_diagnostic): Test inhibit_notes_p for
8440         informative notes.
8441         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
8442         (diagnostic_inhibit_notes): New.
8443         * toplev.c (process_options): inhibit notes with -fcompare-debug.
8444
8445 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8446
8447         PR c/20631
8448         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
8449         * doc/standards.texi: Likewise.
8450         * doc/extend.texi: Likewise.
8451         * doc/trouble.texi: Likewise.
8452         * doc/cppopts.texi: Likewise.
8453         * doc/install.texi: Likewise.
8454         * c.opt (std=c90,std=gnu90): New options.
8455         * c-opts.c (c_common_handle_option): Handle them.
8456
8457 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8458
8459         PR c/24577
8460         * c-decl.c (undeclared_variable): Use an informative note.
8461
8462 2010-02-26  Richard Guenther  <rguenther@suse.de>
8463
8464         PR tree-optimization/43186
8465         * gimple.h (gimple_fold): Remove.
8466         * gimple.c (gimple_fold): Remove.  Inline into single user ...
8467         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
8468         Try harder for conditions.
8469
8470 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
8471
8472         PR debug/43190
8473         * function.c (used_types_insert): Don't skip through named pointer
8474         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
8475         and it is different from the main variant's type.
8476
8477 2010-02-26  Nick Clifton  <nickc@redhat.com>
8478
8479         * config/rx/rx.md (sminsi3): Remove bogus alternative.
8480
8481 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
8482
8483         * config.gcc: Support --with-fpmath=sse for x86.
8484
8485         * config/i386/ssemath.h: New.
8486
8487         * doc/install.texi (--with-fpmath=sse): Documented.
8488
8489 2010-02-26  Richard Guenther  <rguenther@suse.de>
8490
8491         PR tree-optimization/43188
8492         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
8493         vector types of over-aligned element type.
8494
8495 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
8496
8497         PR target/43175
8498         * config/i386/i386.c (expand_vec_perm_blend): Use correct
8499         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
8500
8501 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
8502
8503         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
8504
8505 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
8506
8507         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
8508         * var-tracking.c: Include diagnostic.h.
8509         (debug_dv): New function.
8510         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
8511
8512         PR debug/43160
8513         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
8514         (add_value_chain, add_value_chains, remove_value_chain,
8515         remove_value_chains): Handle DEBUG_EXPRs.
8516         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
8517
8518         PR debug/43161
8519         * regcprop.c (struct queued_debug_insn_change): New type.
8520         (struct value_data_entry): Add debug_insn_changes field.
8521         (struct value_data): Add n_debug_insn_changes field.
8522         (debug_insn_changes_pool): New variable.
8523         (free_debug_insn_changes, apply_debug_insn_changes,
8524         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
8525         (kill_value_one_regno): Call free_debug_insn_changes if needed.
8526         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
8527         fields.
8528         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
8529         changes for them.
8530         (copyprop_hardreg_forward_1): Don't call apply_change_group for
8531         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
8532         changes, call cprop_find_used_regs via note_stores.
8533         (copyprop_hardreg_forward): When copying vd from predecessor
8534         which has any queued DEBUG_INSN changes, make sure the pointers are
8535         cleared.  At the end call df_analyze and then if there are any
8536         DEBUG_INSN changes queued at the end of some basic block for still
8537         live registers, apply them.
8538         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
8539
8540 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
8541
8542         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
8543         (arm*-*-*): Ditto.
8544
8545 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
8546
8547         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
8548         targets.  Set the default with_cpu/with_arch from arch/cpu.
8549         Allow x86-64 and native for with_cpu/with_arch.
8550
8551 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
8552
8553         * ebitmap.c: Change calls to verify_popcount with calls to
8554         sbitmap_verify_popcount.
8555         (ebitmap_clear_bit): Fixed map->cacheindex test and
8556         map>cache update when bit clearing results in an empty
8557         element.
8558
8559 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
8560
8561         PR target/43154
8562         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
8563         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
8564         and support both V2DF and V2DI modes.
8565         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
8566         support both V2DF and V2DI modes.
8567         (general): Delete trailing whitespace from a few patterns.
8568
8569         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8570         V2DF/V2DI interleave high/low builtins.
8571
8572         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
8573         new VSX builtins.
8574
8575         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
8576         interleave high/low functions.
8577
8578 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
8579
8580         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
8581         #pragma extern_prefix.
8582
8583 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
8584
8585         PR debug/43166
8586         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
8587         BLKmode, assert op0 is a MEM and just adjust its mode.
8588
8589         PR debug/43165
8590         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
8591         if bitpos isn't multiple of mode's bitsize.
8592
8593 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8594
8595         * c.opt (-ftemplate-depth=): New.
8596         (-ftemplate-depth-): Deprecate.
8597         * optc-gen.awk: Handle -ftemplate-depth=.
8598         * opth-gen.awk: Likewise.
8599         * c-opts.c (c_common_handle_option): Likewise.
8600         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
8601
8602 2010-02-24  Jason Merrill  <jason@redhat.com>
8603
8604         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
8605
8606 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8607
8608         * cfg.c (alloc_aux_for_block): Remove inline.
8609         (alloc_aux_for_edge): Likewise.
8610
8611 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8612
8613         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
8614
8615 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8616
8617         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
8618         * config/i386/sol2-gas.h: New file.
8619         * config.gcc (i[34567]86-*-solaris2*): Use it.
8620
8621 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8622
8623         PR c/43128
8624         * c-typeck.c (ep_convert_and_check): New.
8625         (build_conditional_expr): Use it.
8626         (build_binary_op): Likewise.
8627
8628 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
8629
8630         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
8631
8632         PR debug/43150
8633         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
8634         bounds even for -O+.
8635         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
8636         expr needs to have DECL_NAME set.
8637
8638 2010-02-24  Nick Clifton  <nickc@redhat.com>
8639
8640         * config/mep/mep.c: Include gimple.h.
8641         (mep_function_uses_sp): Delete unused function.
8642         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
8643         parameters.  Use unsigned integers to count args.  Return a
8644         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
8645
8646 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
8647
8648         PR target/43107
8649         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
8650         greater or equal to nelt instead of 2 * nelt.
8651         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
8652         with nelt - 1.
8653
8654 2010-02-23  Jason Merrill  <jason@redhat.com>
8655
8656         PR debug/42800
8657         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
8658         in cfun->local_decls even if they have register types.
8659
8660         PR c++/42837
8661         * stor-layout.c (place_field): Don't warn about unnecessary
8662         DECL_PACKED if the type is packed.
8663
8664 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
8665
8666         PR target/43139
8667         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
8668         GOTOFF relocs, even when the base reg isn't pic pointer.
8669
8670 2010-02-23  Michael Matz  <matz@suse.de>
8671
8672         PR debug/43077
8673         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
8674         (expand_gimple_basic_block): Generate and use debug temps if there
8675         are debug uses left after the last real use of TERed ssa names.
8676         Unlink debug immediate uses when they are expanded.
8677
8678 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8679
8680         PR 43123
8681         * config/i386/i386.c (override_options): Reorganise to provide
8682         better error messages.
8683
8684 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8685
8686         PR middle-end/43083
8687         * graphite-scop-detection.c (create_single_exit_edge): Move
8688         the call to find_single_exit_edge to....
8689         (create_sese_edges): ...here.  Don't handle multiple edges
8690         exiting the function.
8691         (build_graphite_scops): Don't handle multiple edges
8692         exiting the function.
8693
8694 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8695
8696         PR middle-end/43097
8697         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
8698         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
8699
8700 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
8701
8702         PR middle-end/43026
8703         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
8704
8705 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8706
8707         PR c++/43126
8708         * c-typeck.c (convert_arguments): Print declaration location.
8709         * c-common.c (validate_nargs): Rename as
8710         builtin_function_validate_nargs.
8711         (check_builtin_function_arguments): Update.
8712
8713 2010-02-22  Richard Guenther  <rguenther@suse.de>
8714
8715         PR lto/43045
8716         * tree-inline.c (declare_return_variable): Use the type of
8717         the call stmt lhs if available.
8718
8719 2010-02-22  Duncan Sands  <baldrick@free.fr>
8720
8721         * passes.c (register_pass): Always consider all pass lists when
8722         ref_pass_instance_number is zero.
8723
8724 2010-02-22  Richard Guenther  <rguenther@suse.de>
8725
8726         PR tree-optimization/42749
8727         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
8728         parameter.  Do arithmetic in the original type.
8729         (update_accumulator_with_ops): Likewise.
8730         (adjust_accumulator_values): Adjust.
8731
8732 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8733
8734         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
8735         (QI to BLKmode splitter): New splitter.
8736
8737 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
8738
8739         * config/i386/i386.c (initial_ix86_tune_features): Turn on
8740         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
8741
8742 2010-02-22  Richard Guenther  <rguenther@suse.de>
8743
8744         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
8745
8746 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
8747
8748         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
8749         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
8750         ($(T)crti.o, $(T)crtn.o): Remove rules.
8751
8752 2010-02-21  Tobias Burnus  <burnus@net-b.de>
8753
8754         PR fortran/35259
8755         * doc/invoke.texi (-fassociative-math): Document that this
8756         option is automatically enabled for Fortran.
8757
8758 2010-02-20  David S. Miller  <davem@davemloft.net>
8759
8760         * configure.ac: Test if linker and assembler properly support
8761         GOTDATA_OP relocations.
8762         * configure: Rebuild.
8763         * config.in: Likewise.
8764         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
8765         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
8766         (movsi_high_pic): Likewise.
8767         (movdi_lo_sum_pic): Likewise.
8768         (movdi_high_pic): Likewise.
8769         (movsi_pic_gotdata_op): New pattern.
8770         (movdi_pic_gotdata_op): Likewise.
8771         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
8772         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
8773
8774 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
8775
8776         PR target/43067
8777         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
8778         attribute to ssemul.
8779         (xop_mulv2div2di3_high): Ditto.
8780
8781 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8782
8783         PR c++/35669
8784         * c.opt (Wconversion-null): New option.
8785         * doc/invoke.texi (Wconversion-null): Document.
8786
8787 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8788
8789         * common.opt (Wlarger-than-): Add Undocumented.
8790
8791 2010-02-19  Mike Stump  <mikestump@comcast.net>
8792
8793         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
8794
8795 2010-02-19  Jason Merrill  <jason@redhat.com>
8796
8797         PR target/40332
8798         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
8799         * configure: Likewise.
8800
8801 2010-02-20  Alan Modra  <amodra@gmail.com>
8802
8803         PR middle-end/42344
8804         * cgraph.h (cgraph_make_decl_local): Declare.
8805         * cgraph.c (cgraph_make_decl_local): New function.
8806         (cgraph_make_node_local): Use it.
8807         * cgraphunit.c (cgraph_function_versioning): Likewise.
8808         * ipa.c (function_and_variable_visibility): Likewise.
8809
8810 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8811
8812         PR bootstrap/43121
8813         * except.c (sjlj_emit_function_enter): Don't call
8814         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
8815         directly.
8816         * rtl.h (add_reg_br_prob_note): Remove prototype.
8817
8818 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
8819
8820         PR 41779
8821         * c-common.c (conversion_warning): Remove widening conversions
8822         before checking the conversion of integers to reals.
8823
8824 2010-02-19  Mike Stump  <mikestump@comcast.net>
8825
8826         PR middle-end/43125
8827         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
8828
8829         PR objc/43061
8830         * cgraphunit.c (process_function_and_variable_attributes): Check
8831         DECL_PRESERVE_P instead of looking up attribute "used".
8832         * ipa-pure-const.c (check_decl): Likewise.
8833         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
8834         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
8835         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
8836         instead of attribute "used".
8837         * config/sol2-c.c (solaris_pragma_init): Likewise.
8838         (solaris_pragma_fini): Likewise.
8839
8840 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8841
8842         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
8843         Use XCNEW instead of xcalloc.
8844         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
8845         XNEW instead of xmalloc.
8846         (get_fields): Use XNEWVEC instead of xmalloc.
8847
8848         PR debug/43084
8849         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
8850         populate vars array.
8851         (create_new_general_access): For debug stmts just reset value.
8852         (get_stmt_accesses): For accesses within debug stmts just record them
8853         using add_access_to_acc_sites instead of preventing the peeling or
8854         counting them as accesses.
8855
8856         PR middle-end/42233
8857         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
8858
8859 2010-02-19  Richard Guenther  <rguenther@suse.de>
8860
8861         PR tree-optimization/42916
8862         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
8863         instructions.
8864
8865 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
8866
8867         * configure.ac: Replace all uses of changequote in macro arguments
8868         with proper quoting.
8869
8870 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8871
8872         PR middle-end/42233
8873         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
8874
8875 2010-02-19  Richard Guenther  <rguenther@suse.de>
8876
8877         PR tree-optimization/42944
8878         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
8879         test for aliasing with errno.
8880
8881 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
8882
8883         PR middle-end/42233
8884         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
8885         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
8886         * dojump.c: Include output.h.
8887         (inv): New inline function.
8888         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
8889         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
8890         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
8891         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
8892         argument, pass it down to other calls.
8893         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
8894         add REG_BR_PROB note to the conditional jump.
8895         * cfgexpand.c (add_reg_br_prob_note): Removed.
8896         (expand_gimple_cond): Don't call it, add the probability
8897         as last argument to jumpif_1/jumpifnot_1.
8898         * Makefile.in (dojump.o): Depend on output.h.
8899         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
8900         callers.
8901         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
8902         * stmt.c (do_jump_if_equal): Likewise.
8903         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
8904         * loop-unswitch.c (compare_and_jump_seq): Likewise.
8905         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
8906         Likewise.
8907         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
8908         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
8909         jumpifnot_1 callers.
8910         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
8911         callers.
8912         (store_expr): Adjust jumpifnot caller.
8913         (store_constructor): Adjust jumpif caller.
8914
8915         PR middle-end/42233
8916         * gimplify.c (gimple_boolify): For __builtin_expect call
8917         gimple_boolify also on its first argument.
8918
8919 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
8920
8921         * configure.ac (gnu-unique-object): Wrap regexps using [] in
8922         changequote block.
8923         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
8924         * configure: Regenerated.
8925
8926 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8927
8928         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
8929         lang_hooks.types_compatible_p instead of comptypes.
8930
8931 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
8932
8933         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
8934         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
8935         if __prefer_thumb__ is defined.
8936
8937 2010-02-18  Martin Jambor  <mjambor@suse.cz>
8938
8939         PR tree-optimization/43066
8940         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
8941         array with zero-sized element type.
8942
8943 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
8944
8945         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
8946         rtx, allocate struct var_loc_node here and return it to the
8947         caller, and only if it is actually needed.
8948         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
8949         move it earlier and return immediately if it returns NULL.
8950
8951 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
8952
8953         * config/sparc/gas.h: New file.  Restore
8954         TARGET_ASM_NAMED_SECTION to its ELF default.
8955         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
8956         check !HAVE_GNU_AS.
8957         * config/sparc/sparc.c (sparc_elf_asm_named_section):
8958         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
8959         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
8960         after sparc/sysv4.h.
8961
8962 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
8963
8964         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
8965
8966 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
8967
8968         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
8969         patterns from predicated pattern.
8970
8971 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
8972
8973         PR target/43103
8974         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
8975         for insn mnemonic suffix.
8976
8977 2010-02-17  Richard Guenther  <rguenther@suse.de>
8978
8979         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
8980         to loop PHI nodes.
8981
8982 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
8983
8984         PR debug/42918
8985         * caller-save.c (save_call_clobbered_regs): If BB ends with
8986         a DEBUG_INSN, move any notes in between last real insn and the last
8987         DEBUG_INSN after the last DEBUG_INSN.
8988
8989 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
8990
8991         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
8992         Fix return type.  Fix argument type.  Explain meaning of return value.
8993
8994 2010-02-16  Richard Guenther  <rguenther@suse.de>
8995
8996         PR tree-optimization/41043
8997         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
8998         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
8999         statements ...
9000         (vrp_visit_phi_node): ... but only for loop PHI nodes.
9001
9002 2010-02-16  Ira Rosen  <irar@il.ibm.com>
9003
9004         PR tree-optimization/43074
9005         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
9006         * tree-vect-loop.c (vect_analyze_loop_operations): Add
9007         vectorizable cycles in hybrid SLP check.
9008         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
9009
9010 2010-02-16  Richard Guenther  <rguenther@suse.de>
9011
9012         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
9013         (true_dependence): If memrefs_conflict_p computes must-alias
9014         trust it.  Move TBAA check after offset-based disambiguation.
9015         (canon_true_dependence): Likewise.
9016
9017 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
9018
9019         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
9020         * doc/invoke.texi: Document it.
9021         * var-tracking.c: Include toplev.h and params.h.
9022         (vt_find_locations): Return bool indicating success.  Compute
9023         hash sizes unconditionally.  Check new parameter, report.
9024         (variable_tracking_main_1): Check vt_find_locations results and
9025         retry.  Renamed from...
9026         (variable_tracking_main): ... this.  New wrapper to preserve
9027         flag_var_tracking_assignments.
9028         * Makefile.in (var-tracking.o): Adjust dependencies.
9029
9030 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
9031             Jakub Jelinek <jakub@redhat.com>
9032
9033         PR target/42854
9034         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
9035         if weak_import attribute is present.
9036         * config/darwin.c (machopic_select_section): Likewise.
9037
9038 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
9039
9040         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
9041         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
9042         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
9043         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
9044
9045         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
9046         types.
9047
9048         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
9049         Fix argument types.
9050
9051         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
9052         Rewrite text to refer to the names.
9053
9054 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
9055
9056         * config/i386/i386-builtin-types.def
9057         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
9058         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
9059         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
9060         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
9061         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
9062         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
9063         IX86_BUILTIN_VPERMIL2PS256.
9064         (MULTI_ARG_4_DF2_DI_I): Defined.
9065         (MULTI_ARG_4_DF2_DI_I1): Defined.
9066         (MULTI_ARG_4_SF2_SI_I): Defined.
9067         (MULTI_ARG_4_SF2_SI_I1): Defined.
9068         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
9069         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
9070         __builtin_ia32_vpermil2ps256.
9071         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
9072         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
9073         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
9074         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
9075         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
9076         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
9077         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
9078         CODE_FOR_xop_vpermil2v8sf3.
9079         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
9080         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
9081         * config/i386/xopintrin.h (_mm_permute2_pd): New.
9082         (_mm256_permute2_pd): New.
9083         (_mm_permute2_ps): New.
9084         (_mm256_permute2_ps): New.
9085
9086 2010-02-15  Nick Clifton  <nickc@redhat.com>
9087
9088         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
9089         boolean parameters.  Use emit_jump_insn when emitting a pop
9090         instruction containing a return insn.
9091         (push): Use 'true' rather than '1' as second parameter to F.
9092         (h8300_expand_prologue): Likewise.
9093         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
9094         (h8300_expand_epilogue): Likewise.
9095
9096 2010-02-15  Richard Guenther  <rguenther@suse.de>
9097
9098         PR middle-end/43068
9099         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
9100         if that is zero.
9101
9102 2010-02-15  Nick Clifton  <nickc@redhat.com>
9103
9104         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
9105         delta.
9106
9107 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
9108
9109         * intl.c (fake_ngettext): New function.
9110         * intl.h (fake_ngettext): Declare.
9111         (ngettext): Define macro.
9112         * collect2.c (notice_translated): New function.
9113         (main): Use notice_translated and ngettext.
9114         * collect2.h (notice_translated): Declare.
9115
9116 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
9117
9118         * reorg.c (delete_computation): Comment fixes.
9119         * caller-save.c (setup_save_areas): Idem.
9120         * sel-sched-dump.c (dump_lv_set): Idem.
9121         * rtl.def: Idem.
9122
9123 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9124
9125         * config/s390/s390.c (s390_sched_init): New function.
9126         (TARGET_SCHED_INIT): Target hook defined.
9127
9128 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
9129             Jack Howarth  <howarth@bromo.med.uc.edu>
9130             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
9131
9132         PR target/42982
9133         Partial revert of unintended change in fix for PR41605.
9134         * config/darwin.h: Fix typo.
9135         * config/darwin9.h: Same.
9136
9137 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9138
9139         * c-pch.c (pch_init): Clear v.
9140
9141 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9142
9143         PR middle-end/42930
9144         * graphite-scop-detection.c (graphite_can_represent_scev): Call
9145         graphite_can_represent_init for MULT_EXPR.
9146
9147 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9148
9149         PR middle-end/42914
9150         PR middle-end/42530
9151         * graphite-sese-to-poly.c (remove_phi): New.
9152         (translate_scalar_reduction_to_array): Call remove_phi.
9153
9154 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9155
9156         PR middle-end/42771
9157         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
9158         * graphite-clast-to-gimple.h (gloog): Update declaration.
9159         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
9160         * graphite-poly.h (struct poly_bb): Add missing comments.
9161         (struct scop): Add poly_scop_p field.
9162         (POLY_SCOP_P): New.
9163         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
9164         * graphite.c (graphite_transform_loops): Build the polyhedral
9165         representation for each scop before code generation.
9166         * sese.c (rename_variables_in_operand): Removed.
9167         (rename_variables_in_expr): Return the renamed expression.
9168         (rename_sese_parameters): New.
9169         * sese.h (rename_sese_parameters): Declared.
9170
9171 2010-02-11  Richard Guenther  <rguenther@suse.de>
9172
9173         PR tree-optimization/42998
9174         * tree-ssa-pre.c (create_expression_by_pieces): Treat
9175         POINTER_PLUS_EXPR properly.
9176
9177 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9178             Changpeng Fang  <changpeng.fang@amd.com>
9179
9180         PR middle-end/40886
9181         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
9182         the cost of an IV candidate when the IV is used in a test against zero.
9183
9184         * gcc.dg/tree-ssa/ivopts-3.c: New.
9185
9186 2010-02-11  Richard Guenther  <rguenther@suse.de>
9187
9188         PR lto/41664
9189         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
9190         pointer-vs-decl case by swapping refs.  Handle some cases
9191         of pointer-vs-decl disambiguations more conservatively.
9192         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
9193         to false after expanding.
9194
9195 2010-02-11  Richard Guenther  <rguenther@suse.de>
9196
9197         PR driver/43021
9198         * gcc.c (process_command): Handle LTO file@offset case more
9199         appropriately.
9200
9201 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9202
9203         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
9204         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
9205         of DEBUG_INSNs.
9206         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
9207
9208         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
9209         if MEM's mode size isn't DWARF2_ADDR_SIZE.
9210         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
9211         Optimize eq/ne comparisons when both arguments are known to be
9212         zero-extended.
9213         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
9214         Don't mask operands unnecessarily if they are known to be already
9215         zero-extended.
9216
9217 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9218
9219         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
9220         instead of loop.
9221
9222 2010-02-10  Richard Guenther  <rguenther@suse.de>
9223
9224         PR tree-optimization/43017
9225         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
9226         for wrapping signed arithmetic.
9227
9228 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9229
9230         PR debug/43010
9231         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
9232         if no debug info should be emitted for it.
9233
9234 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9235
9236         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
9237         note when flag_exceptions is set.
9238
9239 2010-02-10  Duncan Sands  <baldrick@free.fr>
9240
9241         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
9242
9243 2010-02-10  Richard Guenther  <rguenther@suse.de>
9244
9245         PR c/43007
9246         * tree.c (get_unwidened): Handle constants.
9247         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
9248
9249 2010-02-10  Martin Jambor  <mjambor@suse.cz>
9250
9251         PR lto/42985
9252         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
9253         check for variable argument counts independently.
9254
9255 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9256
9257         PR target/42841
9258         * config/sh/sh.c (find_barrier): Increase length for non delayed
9259         conditional branches.
9260
9261 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9262
9263         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
9264
9265 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9266
9267         * builtins.c (set_builtin_user_assembler_name): Also handle
9268         ffs if int is smaller than word.
9269
9270 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
9271
9272         PR middle-end/42973
9273         * ira-conflicts.c (get_dup): Remove.
9274         (process_reg_shuffles): Add new parameter.  Use it as an
9275         additional guard for copy generation.
9276         (add_insn_allocno_copies): Rewrite.
9277
9278 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
9279
9280         * common.opt (fsched2-use-traces): Preserved for backward
9281         compatibility.
9282         * doc/invoke.texi: Remove the documentation about option
9283         -fsched2-use-traces.
9284         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
9285         flag_sched2_use_traces.
9286         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
9287         the backward compatibility flag section.
9288
9289 2010-02-09  Richard Guenther  <rguenther@suse.de>
9290
9291         PR tree-optimization/43008
9292         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
9293         make HEAP variables initialized from global memory if they
9294         are not known builtin functions.
9295         (find_func_aliases): Adjust.
9296
9297 2010-02-09  Richard Guenther  <rguenther@suse.de>
9298
9299         PR tree-optimization/43000
9300         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
9301         arithmetic manually.
9302
9303 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
9304
9305         PR tree-optimization/42931
9306         * tree-loop-linear.c (try_interchange_loops): Don't call
9307         double_int_mul if estimated_loop_iterations failed.
9308
9309 2010-02-08  Martin Jambor  <mjambor@suse.cz>
9310
9311         PR middle-end/42898
9312         * tree-sra.c (build_accesses_from_assign): Do not mark in
9313         should_scalarize_away_bitmap if stmt has volatile ops.
9314         (sra_modify_assign): Do not process assigns piecemeal if if stmt
9315         has volatile ops.
9316
9317 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
9318
9319         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
9320
9321 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
9322
9323         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
9324         before the pattern.
9325
9326 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
9327
9328         PR middle-end/42946
9329         * df-core.c (df_finish_pass): Change type of saved_flags to int.
9330
9331 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
9332
9333         PR middle-end/42988
9334         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
9335         to unknown_dependence.
9336         (graphite_legal_transform_dr): Handle the unknown_dependence.
9337         (graphite_carried_dependence_level_k): Same.
9338
9339 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
9340
9341         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
9342
9343 2010-02-07  Richard Guenther  <rguenther@suse.de>
9344
9345         PR middle-end/42991
9346         * expr.c (get_inner_reference): Always initialize *pbitsize.
9347
9348 2010-02-07  Richard Guenther  <rguenther@suse.de>
9349
9350         PR middle-end/42956
9351         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
9352         new ARRAY_REFs on variable size element or minimal index arrays.
9353         Complete.
9354         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
9355         gimple_fold_indirect_ref.
9356
9357 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
9358
9359         PR target/42957
9360         * arm.c (arm_override_options): Just return if the user has specified
9361         an invalid fpu name.
9362
9363 2010-02-03  Jason Merrill  <jason@redhat.com>
9364
9365         PR c++/42870
9366         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
9367         i386_pe_maybe_record_exported_symbol.
9368
9369 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
9370
9371         PR target/42924
9372         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
9373         (pa_delegitimize_address): New function.
9374
9375 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
9376
9377         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
9378         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
9379
9380 2010-02-05  Richard Guenther  <rguenther@suse.de>
9381
9382         PR lto/42762
9383         * lto-streamer-in.c (get_resolution): Deal with references
9384         to undefined functions.
9385
9386 2010-02-05  Richard Guenther  <rguenther@suse.de>
9387
9388         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
9389         (fold_const_aggregate_ref): Likewise.
9390         (ccp_fold_stmt): Substitute loads.
9391         (maybe_fold_reference): Verify types before substituting.
9392         Unshare properly.
9393         (fold_gimple_assign): Unshare properly.
9394         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
9395
9396 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
9397
9398         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
9399         for rs6000_gen_cell_microcode.
9400
9401 2010-02-04  Richard Guenther  <rguenther@suse.de>
9402
9403         PR rtl-optimization/42952
9404         * dse.c (const_or_frame_p): Remove MEM handling.
9405
9406 2010-02-04  Nick Clifton  <nickc@redhat.com>
9407
9408         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
9409         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
9410         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
9411         (mn10300_asm_output_mi_thunk): New function.
9412         (mn10300_can_output_mu_thunk): New function.
9413         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
9414         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
9415         (FUNCTION_ARG): Delete incorrect comment.
9416
9417 2010-02-03  Jason Merrill  <jason@redhat.com>
9418
9419         PR c++/40138
9420         * fold-const.c (operand_equal_p): Handle erroneous types.
9421
9422 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
9423
9424         * config/h8300/h8300.md (can_delay): Fix attibute condition.
9425
9426 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
9427
9428         PR rtl-optimization/42941
9429         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
9430         of xmalloc.
9431
9432 2010-02-03  Jason Merrill  <jason@redhat.com>
9433
9434         PR c++/35652
9435         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
9436
9437 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
9438
9439         PR debug/42896
9440         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
9441         (cselib_reset_table): Renamed from...
9442         (cselib_reset_table_with_next_value): ... this.
9443         (cselib_get_next_uid): Renamed from...
9444         (cselib_get_next_unknown_value): ... this.
9445         * cselib.c (next_uid): Renamed from...
9446         (next_unknown_value): ... this.
9447         (cselib_clear_table): Adjust.
9448         (cselib_reset_table): Adjust.  Renamed from...
9449         (cselib_reset_table_with_next_value): ... this.
9450         (cselib_get_next_uid): Adjust.  Renamed from...
9451         (cselib_get_next_unknown_value): ... this.
9452         (get_value_hash): Use hash.
9453         (cselib_hash_rtx): Likewise.
9454         (new_cselib_val): Adjust.  Set and dump uid.
9455         (cselib_lookup_mem): Pass next_uid as hash.
9456         (cselib_subst_to_values): Likewise.
9457         (cselib_log_lookup): Dump uid.
9458         (cselib_lookup): Pass next_uid as hash.  Adjust.
9459         (cselib_process_insn): Adjust.
9460         (cselib_init): Initialize next_uid.
9461         (cselib_finish): Adjust.
9462         (dump_cselib_table): Likewise.
9463         * dse.c (canon_address): Dump value uid.
9464         * print-rtl.c (print_rtx): Print value uid.
9465         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
9466         (dvuid): New type.
9467         (dv_uid): New function, sort of renamed from...
9468         (dv_htab_hash): ... this, reimplemented in terms of it and...
9469         (dv_uid2hash): ... this.  New.
9470         (variable_htab_eq): Drop excess assertions.
9471         (tie_break_pointers): Removed.
9472         (canon_value_cmp): Compare uids.
9473         (variable_post_merge_New_vals): Print uids.
9474         (vt_add_function_parameters): Adjust.
9475         (vt_initialize): Reset table.  Adjust.
9476
9477 2010-02-03  Richard Guenther  <rguenther@suse.de>
9478
9479         PR tree-optimization/42944
9480         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
9481         (call_may_clobber_ref_p_1): Likewise.  Properly handle
9482         malloc and calloc clobbering errno.
9483
9484 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
9485
9486         * doc/invoke.texi: Fix name of sched1 dump.
9487
9488         * opts.c (decode_options): Set flag_tree_switch_conversion
9489         only conditionally on optimize >= 2.
9490
9491         * gcse.c: Assorted comment fixes in pass description.
9492
9493 2010-02-03  Anthony Green  <green@moxielogic.com>
9494
9495         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
9496         nop padding in order to maintain alignment of storage location of
9497         target function address.
9498         (moxie_trampoline_init): Store target function address at newly
9499         aligned location.
9500         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
9501         to 32.
9502         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
9503
9504 2010-02-03  Richard Guenther  <rguenther@suse.de>
9505
9506         PR middle-end/42927
9507         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
9508
9509 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9510
9511         * config.gcc: Reenable check for obsolete targets.
9512         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
9513         mips-sgi-irix6.[0-4]*.
9514
9515 2010-02-02  Nick Clifton  <nickc@redhat.com>
9516
9517         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
9518         constant size of 4 as being the same as 0.
9519         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
9520         can take values in the range 0..4.
9521
9522 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
9523
9524         PR java/41991
9525         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
9526         as _darwin10_Unwind_FindEnclosingFunction().
9527         * libgcc-libsystem.ver: New.
9528
9529 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
9530
9531         PR target/41399
9532         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
9533         implicitly set registers.
9534
9535 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
9536
9537         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
9538         (arm_override_options): Allow automatic selection of the thread
9539         pointer register if thumb2.
9540         (legitimize_pic_address): Improve code sequences for Thumb2.
9541         (arm_call_tls_get_addr): Likewise.
9542         (legitimize_tls_address): Likewise.
9543         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
9544         (pic_load_addr_32bit): ... this.  New named pattern.
9545         * thumb2.md (pic_load_addr_thumb2): Delete.
9546         (pic_load_dot_plus_four): Delete.
9547         (tls_load_dot_plus_four): New named pattern.
9548
9549 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9550
9551         PR libgomp/29986
9552         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
9553         Document fix for TLS bug.
9554
9555 2010-01-31  Richard Guenther  <rguenther@suse.de>
9556
9557         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
9558         conservatively correct.
9559
9560 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9561
9562         PR target/42850
9563         Revert:
9564         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9565
9566         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9567
9568 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9569
9570         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
9571
9572 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
9573
9574         * config.gcc: Adjust order of makefile fragments for mingw targets.
9575
9576 2010-01-31  Richard Guenther  <rguenther@suse.de>
9577
9578         PR middle-end/42898
9579         * gimplify.c (gimplify_init_constructor): For volatile LHS
9580         initialize a temporary.
9581
9582 2010-01-31  Matthias Klose  <doko@ubuntu.com>
9583
9584         * configure.ac: Fix __stack_chk_fail check for cross builds configured
9585         --with-headers
9586         * configure: Regenerate.
9587
9588 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
9589
9590         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
9591         the same alias set and their sizes different constantness.
9592         (aliasing_component_refs_p): Revert 2009-10-24 change.
9593
9594 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9595
9596         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
9597         unused.
9598
9599 2010-01-29  Richard Guenther  <rguenther@suse.de>
9600
9601         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
9602         Assert we successfully updated the call.
9603
9604 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
9605
9606         PR rtl-optimization/42889
9607         * df.h (df_set_bb_dirty_nonlr): New prototype.
9608         * df-core.c (df_set_bb_dirty_nonlr): New function.
9609         * df-scan.c (df_insn_rescan): Call it instead of
9610         df_set_bb_dirty for DEBUG_INSNs.
9611
9612 2010-01-29  Richard Guenther  <rguenther@suse.de>
9613
9614         PR middle-end/37448
9615         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
9616         quadratic behavior in most cases.
9617
9618 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
9619
9620         PR target/42891
9621         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
9622         in the call to gen_x86_movsicc_0_m1.
9623
9624 2010-01-28  Richard Guenther  <rguenther@suse.de>
9625
9626         PR tree-optimization/42871
9627         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
9628
9629 2010-01-28  Richard Guenther  <rguenther@suse.de>
9630
9631         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
9632         into call arguments.
9633
9634 2010-01-28  Richard Guenther  <rguenther@suse.de>
9635
9636         PR middle-end/42883
9637         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
9638         the forwarder if the destination is an EH landing pad.
9639
9640 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
9641
9642         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
9643         block list passed to gimple_duplicate_sese_tail.
9644         (parallelize_loops): Avoid parallelization when the function
9645         has_nonlocal_label.
9646         Avoid parallelization when the preheader is IRREDUCIBLE.
9647         Try to optimize when estimated_loop_iterations_int is unresolved.
9648         Add the loop's location to the dump file.
9649         * tree-cfg.c (add_phi_args_after_redirect): Remove.
9650         (gimple_duplicate_sese_tail): Remove the check for the latch.
9651         Redirect nexits to the exit block.
9652         Remove handling of the incoming edges to the latch.
9653         Redirect the backedge from the copied latch to the exit bb.
9654
9655 2010-01-28  Michael Matz  <matz@suse.de>
9656
9657         PR target/42881
9658         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
9659         Wrap force_reg into a sequence, emit it before user.
9660
9661 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
9662
9663         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
9664         (arm_rev): New.
9665         (arm_legacy_rev): Likewise.
9666         (thumb_legacy_rev): Likewise.
9667
9668 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
9669
9670         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
9671         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
9672         on MEM's address failed, try avoid_constant_pool_reference and
9673         recurse if it returned something different.
9674         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
9675         address, try avoid_constant_pool_reference and recurse if it
9676         returned something different.
9677         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
9678         address and avoid_constant_pool_reference returned something
9679         different, don't set have_address.
9680
9681 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
9682
9683         PR debug/42861
9684         * var-tracking.c (val_store): Add modified argument, obey it.
9685         Adjust callers.
9686         (count_uses): Move down logging of main.
9687         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
9688         don't need resolution.
9689         (emit_notes_in_bb): Likewise.
9690
9691 2010-01-27  Richard Guenther  <rguenther@suse.de>
9692
9693         PR middle-end/42878
9694         * tree-inline.c (remap_decl): Delay remapping of SSA name
9695         default definitions until we need them.
9696
9697 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
9698
9699         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
9700         (rs6000_delegitimize_address): New function.
9701
9702         * config/s390/s390.c (s390_delegitimize_address): Call
9703         delegitimize_mem_from_attrs.
9704
9705         PR middle-end/42874
9706         * tree-inline.c (cannot_copy_type_1): Removed.
9707         (copy_forbidden): Don't forbid copying of functions containing
9708         records/unions with variable length fields.
9709
9710 2010-01-27  Christian Bruel  <christian.bruel@st.com>
9711
9712         Revert:
9713         PR target/42841
9714         * config/sh/sh.c (find_barrier): Increase length for non delayed
9715         conditional branches.
9716
9717 2010-01-27  Matthias Klose  <doko@ubuntu.com>
9718
9719         * configure.ac (gnu-unique-object): Fix ldd version check.
9720         * configure: Regenerate.
9721
9722 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9723
9724         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
9725         HAVE_GNU_AS value.
9726         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
9727         Test for HAVE_GNU_AS value.
9728
9729 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9730
9731         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
9732         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
9733         INT64_TYPE): Define.
9734         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
9735         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
9736         INT_LEAST64_TYPE): Define.
9737         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
9738         UINT_LEAST64_TYPE): Define.
9739         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
9740         INT_FAST64_TYPE): Define.
9741         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
9742         UINT_FAST64_TYPE): Define.
9743         (INTMAX_TYPE, UINTMAX_TYPE): Define.
9744         (INTPTR_TYPE, UINTPTR_TYPE): Define.
9745         (SIG_ATOMIC_TYPE): Define.
9746
9747 2010-01-26  Richard Guenther  <rguenther@suse.de>
9748
9749         * df-scan.c (df_scan_set_bb_info): Remove assert.
9750         (df_insn_rescan_debug_internal): Merge asserts.
9751         (df_install_ref): Likewise.
9752         (df_mark_reg): Use bitmap_set_range.
9753         (df_hard_reg_used_p): Remove assert.
9754         (df_hard_reg_used_count): Likewise.
9755
9756 2010-01-26  Richard Guenther  <rguenther@suse.de>
9757
9758         PR rtl-optimization/42685
9759         * web.c (web_main): Ignore DEBUG_INSNs.
9760
9761 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
9762
9763         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
9764
9765         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
9766         Fix types of fndecl and arglist parameters.
9767
9768 2010-01-26  Richard Guenther  <rguenther@suse.de>
9769
9770         PR middle-end/42806
9771         * tree-eh.c (unsplit_eh): Skip debug insns.
9772
9773 2010-01-26  Richard Guenther  <rguenther@suse.de>
9774
9775         PR tree-optimization/42250
9776         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
9777
9778 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
9779
9780         PR fortran/42866
9781         * omp-low.c (expand_omp_sections): Only use single_pred if
9782         l2_bb is single_pred_p.
9783
9784 2010-01-25  Christian Bruel  <christian.bruel@st.com>
9785
9786         PR target/42841
9787         * config/sh/sh.c (find_barrier): Increase length for non delayed
9788         conditional branches.
9789         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
9790
9791 2010-01-24  David S. Miller  <davem@davemloft.net>
9792
9793         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
9794         define if not using GAS.
9795         * config/sparc/sparc.c (sparc_elf_asm_named_section):
9796         Likewise.  Delete SECTION_MERGE code, which is only applicable
9797         when using GAS.
9798
9799 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
9800
9801         PR c++/42748
9802         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
9803         mangling of va_list in system headers.
9804
9805 2010-01-23  Toon Moene  <toon@moene.org>
9806
9807         * tree-predcom.c (combine_chains): Return NULL, not false.
9808
9809 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
9810
9811         * tree-loop-distribution.c (distribute_loop): Fix declaration and
9812         initialization of variable res to agree with return type.
9813
9814 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
9815
9816         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
9817         * tree-sra.c: Add include of expr.h.
9818
9819 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
9820
9821         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
9822         insert the debug stmt on the single non-EH edge from the stmt.
9823
9824 2010-01-22  Richard Henderson  <rth@redhat.com>
9825
9826         PR tree-opt/42833
9827         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
9828         the RHS until after generate_subtree_copies has insertted its
9829         code before the current statement.
9830
9831 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
9832
9833         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
9834
9835         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
9836
9837 2010-01-21  Martin Jambor  <mjambor@suse.cz>
9838
9839         PR tree-optimization/42585
9840         * tree-sra.c (struct access): New field grp_total_scalarization.
9841         (dump_access): Dump the new field.
9842         (should_scalarize_away_bitmap): New variable.
9843         (cannot_scalarize_away_bitmap): Likewise.
9844         (sra_initialize): Allocate new bitmaps.
9845         (sra_deinitialize): Free new bitmaps.
9846         (create_access_1): New function.
9847         (create_access): Parts moved to create_access_1.
9848         (type_consists_of_records_p): New function.
9849         (completely_scalarize_record): Likewise.
9850         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
9851         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
9852         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
9853         access.
9854         (analyze_all_variable_accesses): Completely scalarize small eligible
9855         records.
9856
9857 2010-01-21  Martin Jambor  <mjambor@suse.cz>
9858
9859         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
9860
9861 2010-01-21  Andrew Haley  <aph@redhat.com>
9862
9863         * gcc.c (process_command): Move lang_specific_driver before
9864         setting cc_libexec_prefix.
9865
9866 2010-01-21  Richard Guenther  <rguenther@suse.de>
9867
9868         PR middle-end/19988
9869         * fold-const.c (negate_expr_p): Pretend only negative
9870         real constants are easily negatable.
9871
9872 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
9873             Jason Merrill  <jason@redhat.com>
9874
9875         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
9876         (TYPE_TRANSPARENT_AGGR): this, for union and record.
9877         * calls.c (initialize argument_information): Handle it.
9878         * c-common.c (handle_transparent_union_attribute): Use new name.
9879         * c-decl.c (finish_struct): Ditto.
9880         * c-typeck.c (type_lists_compatible_p): Ditto.
9881         (convert_for_assignment): Use new name and also handle record.
9882         * function.c (aggregate_value_p): Handle it.
9883         (pass_by_reference): Ditto.
9884         (assign_parm_data_types): Ditto.
9885         * print-tree.c (print_node): Ditto.
9886         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
9887         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
9888         * tree.c (first_field): New fn.
9889
9890 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
9891
9892         PR target/42818
9893         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
9894         even when linking statically, for now.
9895
9896 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
9897
9898         PR debug/42715
9899         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
9900         without a cselib val.
9901         (count_uses): Accept MO_VAL_SET with no val on stores.
9902         (add_stores): Likewise.
9903
9904 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9905
9906         * var-tracking.c (check_value_val): Add a compile time assertion.
9907         (dv_is_decl_p): Simplify.
9908         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
9909         gcc_assert if ENABLE_CHECKING.
9910
9911 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
9912
9913         PR debug/42782
9914         * var-tracking.c: Include tree-flow.h.
9915         (mem_dies_at_call): New.
9916         (dataflow_set_preserve_mem_locs): Use it.
9917         (dataflow_set_remove_mem_locs): Likewise.
9918         (dump_var): Renamed from dump_variable.  Adjust all callers.
9919         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
9920         * Makefile.in (var-tracking.o): Adjust deps.
9921
9922 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
9923
9924         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
9925
9926 2010-01-20  Richard Guenther  <rguenther@suse.de>
9927
9928         PR tree-optimization/42717
9929         * tree-ssa-dce.c (get_live_post_dom): Remove.
9930         (forward_edge_to_pdom): Take an arbitrary edge to copy
9931         degenerate PHI args from.
9932         (remove_dead_stmt): Use the first post-dominator even if it
9933         does not contain live statements as redirection destination.
9934
9935 2010-01-20  Richard Guenther  <rguenther@suse.de>
9936
9937         * tree-inline.c (estimate_num_insns): Handle EH builtins.
9938
9939 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9940
9941         * sel-sched.c (create_speculation_check): Remove set but not used
9942         variable twin.
9943         (try_transformation_cache): Remove set but not used variable ds.
9944         (calculate_privileged_insns): Remove set but not used variables
9945         cur_insn and min_spec_insn.
9946         (find_best_expr): Remove set but not used variable avail_n.
9947         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
9948         variable e.
9949         * cgraphunit.c (assemble_thunk): Remove set but not used variable
9950         false_label.
9951         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
9952         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
9953         new_scop_exit_edge.
9954
9955 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
9956
9957         PR bootstrap/42786
9958         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
9959         cpu types.  Add support for *-sse3 cpu types.
9960         (x86_64-*-*): Ditto.
9961
9962 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9963
9964         PR middle-end/42803
9965         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
9966         argument, call initializer_constant_valid_p_1 instead of
9967         initializer_constant_valid_p, pass CACHE to it, return NULL
9968         immediately if first call returns NULL.
9969         (initializer_constant_valid_p_1): New function.
9970         (initializer_constant_valid_p): Use it.
9971
9972 2010-01-20  Thomas Quinot  <quinot@adacore.com>
9973
9974         * tree.def (PLACEHOLDER_EXPR): Fix comment.
9975
9976 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
9977
9978         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
9979         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
9980         (loc_list_from_tree): Don't handle unsigned division.  Handle
9981         signed modulo using DW_OP_{over,over,div,mul,minus}.
9982         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
9983         modulo instead of signed.
9984
9985 2010-01-20  DJ Delorie  <dj@redhat.com>
9986
9987         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
9988         (Fpa): Pass it
9989         (h8300_emit_stack_adjustment): Propogate it.
9990         (push): Pass it.
9991         (h8300_expand_prologue): Likewise.
9992         (h8300_expand_epilogue): Likewise.
9993
9994 2010-01-19  Michael Matz  <matz@suse.de>
9995
9996         PR tree-optimization/41783
9997         * tree-data-ref.c (toplevel): Include flags.h.
9998         (dump_data_dependence_relation):  Also dump the inputs if the
9999         result will be unknown.
10000         (split_constant_offset_1): Look through some conversions.
10001         * tree-predcom.c (determine_roots_comp): Restart a new chain if
10002         the offset from last element is too large.
10003         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
10004         (reassociate_to_the_same_stmt): Handle vector registers.
10005         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
10006         (e.g. conversions).
10007         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
10008         wide_prolog_niters argument, emit widening instructions.
10009         (vect_do_peeling_for_alignment): Adjust caller, use widened
10010         variant of the iteration cound.
10011         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
10012
10013 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10014
10015         PR target/38697
10016         * config/arm/neon-testgen.m (emit_automatics): New parameter
10017         features. Adjust for Fixed_return_reg feature.
10018         (test_intrinsic): Call emit_automatics with new feature.
10019         * config/arm/neon.ml: Update copyright years.
10020         (features): New Fixed_return_reg feature.
10021         (ops): Update feature for Vget_low.
10022
10023 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
10024
10025         PR tree-optimization/42719
10026         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
10027         stmt uses.
10028
10029         PR debug/42728
10030         * fwprop.c (all_uses_available_at): Return false if def_set dest
10031         is a REG that is used in def_insn.
10032
10033 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
10034
10035         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
10036
10037         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
10038         Add argument names.
10039
10040         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
10041
10042         * target.h (struct gcc_target) <secondary_reload>: Change type
10043         of last argument to secondary_reload_info *.
10044
10045 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
10046
10047         PR target/42774
10048         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
10049         memory references with unaligned offsets.  Remove CQImode handling.
10050         (unaligned_memory_operand): Return 1 for memory references with
10051         unaligned offsets.  Remove CQImode handling.
10052
10053 2010-01-18  Richard Guenther  <rguenther@suse.de>
10054
10055         PR middle-end/39954
10056         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
10057         builtin calls.
10058
10059 2010-01-18  Richard Guenther  <rguenther@suse.de>
10060
10061         PR tree-optimization/42781
10062         * tree-ssa-structalias.c (find_what_var_points_to): Skip
10063         restrict processing only if the original variable was artificial.
10064
10065 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
10066
10067         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
10068         find number of popped argument bytes.
10069
10070         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
10071         Fix the text that describes the return value for invalid insns.
10072
10073         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
10074
10075         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
10076         Clarify what 'cost of the -dependence' is.  Fix quoting.
10077
10078         * toplev.c (default_get_pch_validity): Rename argument to "sz".
10079         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
10080
10081 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
10082
10083         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
10084         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
10085
10086 2010-01-17  Richard Guenther  <rguenther@suse.de>
10087
10088         PR middle-end/42248
10089         * function.c (split_complex_args): Take a VEC to modify.
10090         (assign_parms_augmented_arg_list): Build a VEC instead of
10091         a chain of PARM_DECLs.
10092         (assign_parms_unsplit_complex): Take a VEC of arguments.
10093         Do not fixup unmodified parms.
10094         (assign_parms): Deal with the VEC.
10095         (gimplify_parameters): Likewise.
10096
10097 2010-01-17  Richard Guenther  <rguenther@suse.de>
10098
10099         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
10100         node existence check.
10101         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
10102         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
10103         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
10104         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
10105         (gimple_execute_on_growing_pred): Likewise.
10106
10107 2010-01-17  Richard Guenther  <rguenther@suse.de>
10108
10109         PR tree-optimization/42773
10110         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
10111         (compute_antic_aux): Likewise.
10112         (compute_partial_antic_aux): Likewise.
10113
10114 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
10115
10116         PR debug/42767
10117         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
10118         and US_TRUNCATE.
10119
10120 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
10121
10122         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
10123         appearance.
10124
10125         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
10126         Fix markup for strict argument.
10127
10128         (TARGET_SCHED_REORDER2): Fix argument types.
10129
10130         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
10131         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
10132
10133         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
10134         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
10135
10136         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
10137         Add argument name.
10138
10139         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
10140         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
10141         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
10142         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
10143         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
10144
10145         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
10146
10147         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
10148
10149         (TARGET_ASM_RELOC_RW_MASK): Add return type.
10150         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
10151
10152         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
10153
10154         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
10155         Use prototype.
10156
10157         (TARGET_ASM_NAMED_SECTION): Fix argument list.
10158
10159         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
10160         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
10161
10162         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
10163
10164         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
10165
10166         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
10167         referring to it.  Fix language.
10168
10169         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
10170
10171         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
10172
10173         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
10174
10175         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
10176
10177         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
10178         '@var{stream}.  Remove stray 'and'.
10179
10180         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
10181
10182         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
10183
10184         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
10185
10186         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
10187         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
10188
10189         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
10190         Fix description of return value.
10191         Rename argument "sz" to "len."
10192
10193         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
10194         Clarify meaning of 'true' return value.
10195
10196         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
10197
10198         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
10199         rep_mode versus mode_rep.
10200
10201         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
10202
10203         (TARGET_BUILTIN_DECL): Fix name.
10204
10205         (TARGET_COMMUTATIVE_P): Fix type of first argument.
10206
10207         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
10208
10209         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
10210
10211         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
10212
10213         (TARGET_RELAXED_ORDERING): Use @deftypevr.
10214
10215         (TARGET_GET_DRAP_RTX): Note that this is a hook.
10216         Clarify language.
10217
10218         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
10219         Rename argument tm_fn to md_fn.
10220
10221         (TARGET_OPTION_PRINT): Fix argument list.
10222
10223 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
10224
10225         PR target/42664
10226         * config/i386/i386.c (ix86_fixup_binary_operands):
10227         Revert FMA4 fixup of operands.
10228
10229 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10230
10231         PR gcc/42525
10232         * Makefile.in (write_entries_to_file, install-plugin):
10233         Use \012 instead of \n with tr.
10234
10235 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
10236
10237         * configure.ac (HAVE_AS_REF): New C macro.
10238         * configure: Regenerate.
10239         * config.in: Likewise.
10240         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
10241         if HAVE_AS_REF.
10242         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
10243         if HAVE_AS_REF.
10244
10245 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
10246
10247         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
10248
10249         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
10250
10251         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
10252
10253         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
10254
10255         (TARGET_IN_SMALL_DATA_P): Fix argument type.
10256
10257         (TARGET_BINDS_LOCAL_P): Fix argument type.
10258
10259         (TARGET_ASM_FILE_END): Use prototype.
10260
10261         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
10262
10263         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
10264
10265         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
10266
10267         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
10268
10269         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
10270         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
10271
10272         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
10273         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
10274
10275         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
10276         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
10277         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
10278         (TARGET_ADDR_SPACE_CONVERT): Likewise.
10279
10280         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
10281
10282         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
10283
10284         (TARGET_INIT_BUILTINS): Use prototype.
10285
10286         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10287         Put 'const char *' in braces.  Fix parameter types.
10288         (TARGET_INVALID_CONVERSION): Fix parameter types.
10289         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
10290         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
10291
10292         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
10293         Fix argument type.
10294
10295         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
10296
10297         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
10298
10299 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
10300
10301         * doc/tm.texi (TARGET_HELP): Fix return type.
10302
10303         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
10304         in braces.  Fix argument types.
10305
10306         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
10307
10308         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
10309
10310         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
10311
10312         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
10313         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
10314
10315         (TARGET_MANGLE_TYPE): Fix argument types.
10316
10317         (TARGET_IRA_COVER_CLASSES): Use prototype.
10318
10319         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
10320
10321         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
10322
10323         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
10324
10325         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
10326
10327         (TARGET_CALLEE_COPIES): Fix argument types.
10328
10329         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
10330
10331         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
10332
10333         (TARGET_FUNCTION_VALUE): Fix argument types.
10334
10335         (TARGET_RETURN_IN_MSB): Fix argument type.
10336
10337         (TARGET_RETURN_IN_MEMORY): Fix argument types.
10338
10339         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
10340
10341         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
10342
10343         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
10344         agree with return type.
10345
10346         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
10347
10348 2010-01-15  Jing Yu  <jingyu@google.com>
10349
10350         PR rtl-optimization/42691
10351         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
10352         a pseudo to a constant and are merged, and adjust comments.
10353
10354 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
10355
10356         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
10357
10358 2010-01-15  Richard Guenther  <rguenther@suse.de>
10359
10360         PR middle-end/42739
10361         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
10362         labels of computed or non-local gotos to the destination.
10363         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
10364         landing pad label is the first label.
10365
10366 2010-01-15  Richard Guenther  <rguenther@suse.de>
10367
10368         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
10369
10370 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
10371
10372         PR target/42747
10373         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
10374         to allow generation of the xssqrtdp instruction on power7.
10375         (sqrtdf2_fpr): Ditto.
10376
10377 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10378
10379         PR middle-end/42674
10380         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
10381         functions with noreturn attribute.
10382
10383         PR c++/42608
10384         * varasm.c (declare_weak): Add weak attribute to decl if it
10385         doesn't have one already.
10386         (assemble_external): Only add decls to weak_decls if they also
10387         have weak attribute.
10388
10389 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
10390
10391         * var-tracking.c (var_reg_delete): Don't delete the association
10392         between REGs and values or one-part variables if the register
10393         isn't clobbered.
10394
10395 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10396
10397         PR debug/42657
10398         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
10399         because its first operand is a non-localized variable.
10400
10401 2010-01-14  Martin Jambor  <mjambor@suse.cz>
10402
10403         PR tree-optimization/42706
10404         * tree-sra.c (encountered_recursive_call): New variable.
10405         (encountered_unchangable_recursive_call): Likewise.
10406         (sra_initialize): Initialize both new variables.
10407         (callsite_has_enough_arguments_p): New function.
10408         (scan_function): Call decl and flags check only for IPA-SRA, check
10409         whether there is a recursive call and whether it has enough arguments.
10410         (all_callers_have_enough_arguments_p): New function.
10411         (convert_callers): Look for recursive calls only when
10412         encountered_recursive_call is set.
10413         (ipa_early_sra): Bail out either if
10414         !all_callers_have_enough_arguments_p or
10415         encountered_unchangable_recursive_call.
10416
10417 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10418
10419         * sel-sched.c: Add 2010 to copyright years.
10420         * sel-sched-ir.c: Likewise.
10421         * sel-sched-ir.h: Likewise.
10422
10423 2010-01-14  Martin Jambor  <mjambor@suse.cz>
10424
10425         PR tree-optimization/42714
10426         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
10427         constructors specially.
10428
10429 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10430
10431         * config/i386/drivers-i386.c (detect_caches_intel):
10432         Add l2sizekb parameter and fill in.
10433         (host_detect_local_cpu): Add l2sizekb, fill in.
10434         Add Atom small cache heuristic.
10435
10436 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10437
10438         * config/i386/drivers-i386.c (detect_caches_cpuid4):
10439         Add level3 parameter and fill in.
10440         (detect_caches_intel): Handle level3 cache.
10441
10442 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10443
10444         * config/i386/drivers-i386.c (host_detect_local_cpu):
10445         Fix core duo detection.
10446
10447 2010-01-14  Andi Kleen  <ak@linux.intel.com>
10448
10449         * config/i386/drivers-i386.c (host_detect_local_cpu):
10450         Fix Atom detection.
10451
10452 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10453
10454         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
10455         (rs6000_variable_issue_1): this.  Use...
10456         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
10457
10458 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10459
10460         * sel-sched-ir.c (sel_restore_other_notes): Rename to
10461         sel_restore_notes.  Update all callers.  Call reemit_notes
10462         for all insns.
10463
10464 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10465
10466         PR rtl-optimization/42246
10467         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
10468         loops.
10469
10470 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10471
10472         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
10473         all successors is the same as number of successors in current region.
10474
10475 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10476
10477         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
10478         to rename is not separable.  Otherwise check that its LHS is not NULL.
10479
10480 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10481
10482         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
10483
10484 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10485
10486         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
10487         available registers when failed to discover LHS register class.
10488         Fix indentation.  Update comment.
10489
10490 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10491             Alexander Monakov  <amonakov@ispras.ru>
10492
10493         PR rtl-optimization/42389
10494         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
10495         to can_issue_more.
10496         (advance_state_on_fence): Likewise.
10497         (sel_target_adjust_priority): Print debug output only when
10498         sched_verbose >= 4, not 2.
10499         (get_expr_cost): Do not issue all unique insns on the next cycle.
10500         (fill_insns): Initialize can_issue_more from the value saved
10501         with the fence.
10502         * sel-sched-ir.c (flist_add): New parameter issue_more.
10503         Init FENCE_ISSUE_MORE with it.
10504         (merge_fences): Likewise.
10505         (init_fences): Update call to flist_add.
10506         (add_to_fences, add_clean_fence_to_fences)
10507         (add_dirty_fence_to_fences): Likewise.
10508         (move_fence_to_fences): Update call to merge_fences.
10509         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
10510         sched groups.
10511         * sel-sched-ir.h (struct _fence): New field issue_more.
10512         (FENCE_ISSUE_MORE): New accessor macro.
10513
10514 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10515
10516         PR rtl-optimization/42388
10517         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
10518         that have no predecessors nor successors.  Do not call move_bb_info
10519         for empty blocks outside of current region.
10520
10521 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10522
10523         PR rtl-optimization/42294
10524         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
10525         * sel-sched.c (move_exprs_to_boundary): Transitively add all
10526         originators' originators.
10527
10528 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
10529
10530         PR rtl-optimization/39453
10531         PR rtl-optimization/42246
10532         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
10533         for pipelining_p.
10534         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
10535
10536 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
10537             Alexander Monakov  <amonakov@ispras.ru>
10538
10539         PR middle-end/42245
10540         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
10541         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
10542         argument.  Update all callers.
10543         (tidy_control_flow): ... and here.  Recompute topological order
10544         of basic blocks in region if necessary.
10545         (sel_redirect_edge_and_branch): Change return type.  Return true
10546         if topological order might have been invalidated.
10547         (purge_empty_blocks): Export and move from...
10548         * sel-sched.c (purge_empty_blocks): ... here.
10549         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
10550         (maybe_tidy_empty_bb): Delete prototype.
10551         (purge_empty_blocks): Declare.
10552
10553 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
10554
10555         PR rtl-optimization/42249
10556         * sel-sched.c (try_replace_dest_reg): When chosen register
10557         and original register is the same, do not bail out early, but
10558         still check all original insns for validity of replacing destination
10559         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
10560         in this case.
10561
10562 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
10563
10564         PR c/42721
10565         Port from no-undefined-overflow branch:
10566         2009-03-09  Richard Guenther  <rguenther@suse.de>
10567
10568         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
10569
10570 2010-01-14  Richard Guenther  <rguenther@suse.de>
10571
10572         PR lto/42665
10573         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
10574
10575 2010-01-14  Ira Rosen  <irar@il.ibm.com>
10576
10577         PR tree-optimization/42709
10578         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
10579         as scalar type in creation of constant vector operand.
10580
10581 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10582
10583         PR testsuite/42414
10584         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
10585         (check-parallel-%): Match `testsuite' directory component only
10586         at the end.
10587
10588 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
10589
10590         PR translation/39521
10591         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
10592         strings with _().
10593
10594 2010-01-13  Richard Guenther  <rguenther@suse.de>
10595
10596         PR tree-optimization/42730
10597         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
10598         offset zero.
10599
10600 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
10601
10602         PR target/pr42542
10603         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
10604         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
10605         them signed.
10606
10607 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10608
10609         * config/bfin/libgcc-bfin.ver: Regenerate based on current
10610         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
10611         ___umulsi3_highpart.
10612
10613         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
10614         rather than schedule_insns if the pass is enabled.
10615
10616 2010-01-13  Martin Jambor  <mjambor@suse.cz>
10617
10618         PR tree-optimization/42704
10619         * tree-sra.c (sra_modify_assign): Do not delete assignments to
10620         SSA_NAMEs.
10621
10622 2010-01-13  Martin Jambor  <mjambor@suse.cz>
10623
10624         PR tree-optimization/42703
10625         * tree-sra.c (analyze_access_subtree): Check that we can build a
10626         reference to the original data within the aggregate.
10627
10628 2010-01-13  Richard Guenther  <rguenther@suse.de>
10629
10630         PR tree-optimization/42705
10631         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
10632
10633 2010-01-13  Richard Guenther  <rguenther@suse.de>
10634
10635         PR middle-end/42716
10636         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
10637
10638 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
10639
10640         PR debug/41371
10641         * var-tracking.c (values_to_unmark): New variable.
10642         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
10643         values_to_unmark vector.  Moved body to...
10644         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
10645         instead queue it into values_to_unmark vector.
10646         (vt_find_locations): Free values_to_unmark vector.
10647
10648 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
10649
10650         * config/s390/s390.c (override_options): Set
10651         default of max-pending-list-length to 256
10652
10653 2010-01-13  Richard Guenther  <rguenther@suse.de>
10654
10655         PR lto/42678
10656         * tree-pass.h (PROP_gimple_lcx): New.
10657         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
10658         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
10659         before the final cleanup_eh.
10660         (dump_properties): Dump PROP_gimple_lcx.
10661         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
10662         (tree_lower_complex_O0): Remove.
10663         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
10664         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
10665         tree_lower_complex, schedule TODO_update_ssa.
10666         * lto-streamer-out.c (output_function): Stream the functions
10667         properties.
10668         * lto-streamer-in.c (input_function): Likewise.
10669         (lto_read_body): Do not override them here.
10670
10671 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
10672
10673         PR c/42708
10674         * c-typeck.c (build_c_cast): Fold value cast to union type before
10675         wrapping it in a CONSTRUCTOR.
10676
10677 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
10678
10679         PR rtl-optimization/42699
10680         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
10681         involved.
10682
10683 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10684
10685         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
10686         SUBTARGET_WARN_UNUSED_SPEC): Move ...
10687         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
10688         SUBTARGET_WARN_UNUSED_SPEC): ... here
10689         * config/mips/iris5.h (LIBGCC_SPEC): Define.
10690
10691 2010-01-12  Julian Brown  <julian@codesourcery.com>
10692
10693         * config/arm/neon-schedgen.ml (Utils): Don't try to
10694         open missing module.
10695         (find_with_result): New.
10696
10697 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
10698
10699         PR debug/42662
10700         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
10701         sharing when canonicalizing ({lt,ge}u (plus a b) b).
10702
10703         PR tree-optimization/42645
10704         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
10705         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
10706         decl_map, set processing_debug_stmt to -1 and return name without
10707         any remapping.
10708
10709 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
10710
10711         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
10712         binutils version, and reword target configuration description.
10713
10714 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
10715
10716         * config/avr/avr.h (LINKER_NAME): Remove.
10717
10718 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
10719
10720         PR target/42416
10721         * config/rs6000/rs6000.c (rs6000_override_options): On targets
10722         that support VSX, warn for -mno-altivec if vsx is not disabled,
10723         and disable vsx.
10724
10725 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
10726             Shujing Zhao  <pearly.zhao@oracle.com>
10727
10728         PR translation/42469
10729         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
10730         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
10731         character between option name and help text.
10732         * c.opt (imultilib): Likewise.
10733
10734 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
10735
10736         * lto-streamer-out.c (output_unreferenced_globals): Output static
10737         variables.
10738
10739 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
10740
10741         PR rtl-optimization/42621
10742         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
10743         optimizing for size.
10744         (duplicate_computed_gotos): Remove now-redundant check.
10745
10746 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
10747
10748         PR target/37454
10749         * configure.ac: Save and restore LDFLAGS and LIBS
10750         * configure: Regenerate.
10751
10752 2010-01-10  Richard Guenther  <rguenther@suse.de>
10753
10754         PR middle-end/42667
10755         * builtins.c (fold_builtin_strlen): Add type argument and
10756         convert the resulting length to it.
10757         (fold_builtin_1): Adjust.
10758
10759 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
10760
10761         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
10762         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
10763         1 insn.
10764         (num_insns_constant_wide): Adjust for that change.
10765
10766 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10767
10768         PR debug/42631
10769         * web.c (union_defs): Add used argument, to combine uses of
10770         uninitialized regs.
10771         (entry_register): Adjust type and tests of used argument.
10772         (web_main): Widen used for new use.  Pass it to union_defs.
10773         * df.h (union_defs): Adjust prototype.
10774
10775 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10776
10777         PR debug/42630
10778         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
10779         uses in new incoming argument.  Free body.
10780         (reset_debug_uses_in_loop): New.
10781         (analyze_insn_to_expand_var): Call the latter if the former found
10782         anything.  Fix whitespace.  Reject invalid dest overlaps before
10783         going through all insns in the loop.
10784
10785 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10786
10787         PR debug/42629
10788         * haifa-sched.c (dying_use_p): Debug insns don't count.
10789
10790 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10791
10792         PR middle-end/42363
10793         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
10794         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
10795         (verify_gimple_call): Reject LHS in noreturn calls.
10796
10797 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10798
10799         PR debug/42604
10800         PR debug/42395
10801         * tree-vect-loop-manip.c (adjust_info): New type.
10802         (adjust_vec): New pointer to vector.
10803         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
10804         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
10805         (slpeel_update_phis_for_duplicate_loop): Use them.
10806         (slpeel_update_phi_nodes_for_guard1): Likewise.
10807         (slpeel_update_phi_nodes_for_guard2): Likewise.
10808         (slpeel_tree_peel_loop_to_edge): Likewise.
10809         (vect_update_ivs_after_vectorizer): Likewise.
10810
10811 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10812
10813         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
10814         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
10815
10816 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
10817
10818         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
10819         bogus uninitialized warning.
10820
10821 2010-01-09  Richard Guenther  <rguenther@suse.de>
10822
10823         PR middle-end/42512
10824         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
10825         the evolution is compatible with the initial condition.
10826
10827 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
10828
10829         * gcc.c (process_command): Update copyright notice dates.
10830         * gcov.c (print_version): Likewise.
10831         * gcov-dump.c (print_version): Likewise.
10832         * mips-tfile.c (main): Likewise.
10833         * mips-tdump.c (main): Likewise.
10834
10835 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
10836
10837         PR target/41885
10838         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
10839         (rotlhi3): Delete.
10840         (rotlhi3_8): Delete.
10841         (rotlsi3): Delete.
10842         (rotlsi3_8): Delete.
10843         (rotlsi3_16): Delete.
10844         (rotlsi3_24): Delete.
10845         (rotl<mode>3): New.
10846         (*rotw<mode>3): New.
10847         (*rotb<mode>3): New.
10848         * config/avr/avr.c (avr_rotate_bytes): New function.
10849         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
10850
10851 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
10852
10853         PR target/37454
10854         * configure.ac: Modify -rdynamic check.
10855         * configure: Regenerate.
10856
10857 2010-01-08  DJ Delorie  <dj@redhat.com>
10858
10859         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
10860         register popping order.
10861
10862 2010-01-08  Richard Guenther  <rguenther@suse.de>
10863
10864         PR lto/42528
10865         * c.opt (fsigned-char): Also let LTO handle this option.
10866         (funsigned-char): Likewise.
10867
10868 2010-01-07  Richard Guenther  <rguenther@suse.de>
10869
10870         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
10871         (gimple_op): Likewise.
10872         (gimple_op_ptr): Likewise.
10873         (gimple_assign_set_lhs): Remove gcc_assert.
10874         (gimple_assign_set_rhs1): Likewise.
10875         (gimple_assign_set_rhs2): Likewise.
10876         (gimple_call_set_lhs): Likewise.
10877         (gimple_call_set_fn): Likewise.
10878         (gimple_call_set_fndecl): Likewise.
10879         (gimple_call_fndecl): Likewise.
10880         (gimple_call_return_type): Likewise.
10881         (gimple_call_set_chain): Likewise.
10882         (gimple_call_num_args): Likewise.
10883         (gimple_call_set_arg): Likewise.
10884         (gimple_cond_set_code): Likewise.
10885         (gimple_cond_set_lhs): Likewise.
10886         (gimple_cond_set_rhs): Likewise.
10887         (gimple_cond_set_true_label): Likewise.
10888         (gimple_cond_set_false_label): Likewise.
10889         (gimple_label_set_label): Likewise.
10890         (gimple_goto_set_dest): Likewise.
10891         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
10892         (gimple_debug_bind_get_value): Likewise.
10893         (gimple_debug_bind_get_value_ptr): Likewise.
10894         (gimple_debug_bind_set_var): Likewise.
10895         (gimple_debug_bind_set_value): Likewise.
10896         (gimple_debug_bind_reset_value): Likewise.
10897         (gimple_debug_bind_has_value_p): Likewise.
10898         (gimple_return_retval_ptr): Remove gcc_assert.
10899         (gimple_return_retval): Likewise.
10900         (gimple_return_set_retval): Likewise.
10901         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
10902         (safe_referenced_var_iterator): Remove.
10903         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
10904         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
10905         (fill_referenced_var_vec): Remove.
10906         (first_readonly_imm_use): Remove redundant gcc_assert.
10907         (phi_arg_index_from_use): Combine gcc_asserts.
10908         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
10909         (first_imm_use_stmt): Remove redundant gcc_assert.
10910         * tree-cfg.c (verify_gimple_call): Verify function and chain
10911         operands.  Verify arguments.
10912         (verify_types_in_gimple_stmt): Verify condition code and labels.
10913
10914 2010-01-07  Richard Guenther  <rguenther@suse.de>
10915
10916         PR tree-optimization/42641
10917         * sese.c (rename_map_elt_info): Use the SSA name version, do
10918         not hash pointers.
10919
10920 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
10921
10922         PR tree-optimization/42625
10923         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
10924         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
10925
10926 2010-01-07  Duncan Sands  <baldrick@free.fr>
10927
10928         * Makefile.in (PLUGIN_HEADERS): Add version.h.
10929
10930 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
10931
10932         PR target/42511
10933         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
10934         note itself is not function_invariant_p.
10935
10936 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
10937
10938         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
10939         Do not add the DF_NOTE problem.
10940         * store-motion.c (execute_rtl_store_motion): Likewise.
10941
10942 2010-01-07  Martin Jambor  <mjambor@suse.cz>
10943
10944         PR tree-optimization/42157
10945         * tree-sra.c (compare_access_positions): Stabilize sort if both
10946         accesses have integer types, return zero immediately if they are the
10947         same.
10948
10949 2010-01-06  Richard Henderson  <rth@redhat.com>
10950
10951         PR middle-end/41883
10952         * haifa-sched.c (add_to_note_list): Merge into ...
10953         (concat_note_lists): ... here, and ...
10954         (unlink_other_notes, rm_other_notes): Merge into...
10955         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
10956         NOTE_INSN_EPILOGUE_BEG.
10957
10958 2010-01-06  Richard Guenther  <rguenther@suse.de>
10959
10960         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
10961         not inline regular functions into always-inline functions.
10962
10963 2010-01-06  Nick Clifton  <nickc@redhat.com>
10964
10965         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
10966         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
10967         used together.
10968         (OVERRIDE_OPTIONS): Delete.
10969         (OPTIMIZATION_OPTIONS): Define.
10970         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
10971         * config/rx/rx.c (rx_handle_option): Issue an error message if
10972         -mcpu=rx200 and -fpu are used together.
10973         (rx_set_optimization_options): New function.  Issue an error
10974         message if an optimization attribute attempts to reset the FPU/
10975         math optimization pairing.
10976         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
10977         * config/rx/rx.opt: Set the default to 32-bit doubles.
10978         * config/rx/t-rx: Add multilibs for -nofpu option.
10979         * doc/invoke.texi: Update documentation of RX options.
10980
10981 2010-01-06  Richard Guenther  <rguenther@suse.de>
10982
10983         * tree-ssa-pre.c (name_to_id): New global.
10984         (alloc_expression_id): Simplify SSA name handling.
10985         (lookup_expression_id): Likewise.
10986         (init_pre): Zero name_to_id.
10987         (fini_pre): Free it.
10988
10989 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
10990
10991         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
10992
10993 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
10994
10995         PR target/42542
10996         * config/i386/sse.md (smaxv2di3): New.
10997         (umaxv2di3): Likewise.
10998         (sminv2di3): Likewise.
10999         (uminv2di3): Likewise.
11000
11001 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11002
11003         PR target/42564
11004         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
11005         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
11006         (legitimize_tls_address): Likewise.
11007         (sparc_tls_referenced_p): Likewise.
11008         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
11009         and adjust calls to legitimize_pic_address.
11010         (legitimate_constant_p) Use sparc_tls_referenced_p.
11011         (legitimate_pic_operand_p): Likewise.
11012         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
11013         (sparc_tls_symbol_ref_1): Delete.
11014         (sparc_tls_referenced_p): Make static, recognize specific patterns.
11015         (legitimize_tls_address): Make static, handle CONST patterns.
11016         (legitimize_pic_address): Make static, remove unused parameter and
11017         adjust recursive calls.
11018         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
11019         and adjust call to legitimize_pic_address.
11020         (sparc_output_mi_thunk): Likewise.
11021
11022 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
11023             H.J. Lu  <hongjiu.lu@intel.com>
11024
11025         PR target/42542
11026         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
11027         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
11028         operands to make them signed.
11029
11030         Revert:
11031         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11032
11033         PR target/42542
11034         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
11035         GTU to GT for V4SI and V2DI.
11036
11037         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
11038         (umin<mode>3): Removed.
11039         (uminv8hi3): New.
11040         (uminv4si3): Likewise.
11041
11042 2010-01-05  Martin Jambor  <mjambor@suse.cz>
11043
11044         PR tree-optimization/42462
11045         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
11046         current_function_decl to helper functions and macros.
11047
11048 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11049
11050         PR bootstrap/41771
11051         * flags.h: Don't include real.h.
11052         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
11053         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
11054         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
11055         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
11056         * dominance.c: Update copyright.
11057         * gimple.c (walk_gimple_op): Remove inline.
11058         * tree-ssa-reassoc.c: Include real.h.
11059         * Makefile.in (FLAGS_H): Remove $(REAL_H).
11060         (tree-ssa-reassoc.o): Depend on $(REAL_H).
11061
11062 2010-01-05  Nick Clifton  <nickc@redhat.com>
11063
11064         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
11065         register to push into the stack frame when the accumulator has to
11066         be saved during interrupts.
11067
11068 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
11069
11070         * doc/invoke.texi: Remove the documentation about option
11071         -Wunreachable-code.
11072         * common.opt (Wunreachable-code):  Preserved for backward
11073         compatibility.
11074         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
11075         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
11076         the backward compatibility flag section.
11077
11078 2010-01-05  Richard Guenther  <rguenther@suse.de>
11079
11080         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
11081
11082 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
11083
11084         PR other/42611
11085         * cfgexpand.c (expand_one_var): Diagnose too large variables.
11086
11087         PR tree-optimization/42508
11088         * tree-sra.c (convert_callers): Check for recursive call
11089         by comparing cgraph nodes instead of decls.
11090         (modify_function): Call ipa_modify_formal_parameters also
11091         on all same_body aliases.
11092
11093         * cgraphunit.c (cgraph_materialize_all_clones): Compare
11094         cgraph nodes when checking for same_body aliases.
11095
11096 2010-01-05  Richard Guenther  <rguenther@suse.de>
11097
11098         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
11099         allocation and lookup.
11100         (get_or_alloc_expr_for_constant): Likewise.
11101         (phi_translate): Sink allocation.
11102
11103 2010-01-04  Richard Guenther  <rguenther@suse.de>
11104
11105         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
11106         a new entry only if needed.
11107         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
11108         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
11109         hashtable lookup.
11110         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
11111         the result array.
11112         (phi_translate): Handle CONSTANTs early.
11113
11114 2010-01-04  Martin Jambor  <mjambor@suse.cz>
11115
11116         PR tree-optimization/42398
11117         * tree-sra.c (struct access): Removed flag grp_different_types.
11118         (dump_access): Do not dump the removed flag.
11119         (sort_and_splice_var_accesses): Do not set the removed flag.
11120         (sra_modify_expr): Check for type compatibility directly.
11121
11122 2010-01-04  Martin Jambor  <mjambor@suse.cz>
11123
11124         PR tree-optimization/42366
11125         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
11126         edges with variable number of parameters.
11127         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
11128         flag instead of asserting it.
11129         (ipa_read_node_info): Read uses_analysis_done flag.
11130
11131 2010-01-04  Richard Guenther  <rguenther@suse.de>
11132
11133         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
11134         iterative_hash_* as intended.
11135         (vn_reference_compute_hash): Likewise.  Simplify hashing
11136         SSA names.
11137         (vn_reference_lookup_2): Likewise.
11138         (vn_nary_op_compute_hash): Likewise.
11139         (vn_phi_compute_hash): Likewise.
11140         (expressions_equal_p): Remove strange code.
11141         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
11142         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
11143         (bitmap_insert_into_set_1): Take value-id as parameter.
11144         (add_to_value): Pass it.
11145         (bitmap_insert_into_set): Likewise.
11146         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
11147
11148 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
11149
11150         PR driver/42442
11151         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
11152         (do_self_spec): For switches with SWITCH_IGNORE set set also
11153         SWITCH_IGNORE_PERMANENTLY.
11154         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
11155         of SWITCH_IGNORE.
11156
11157 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
11158
11159         * lto-streamer-out.c (output_unreferenced_globals): Output the full
11160         tree of an unreferenced global var.
11161
11162 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11163
11164         PR target/42542
11165         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
11166         GTU to GT for V4SI and V2DI.
11167
11168         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
11169         (umin<mode>3): Removed.
11170         (uminv8hi3): New.
11171         (uminv4si3): Likewise.
11172
11173 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11174
11175         PR lto/42581
11176         * collect2.c (main): Turn on trace in collect2 if -v is passed
11177         to gcc with LTO.
11178
11179 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
11180
11181         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
11182         description of expression operand.
11183
11184 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
11185
11186         * configure.ac: Add install-html to target_list for Make-hooks.
11187         * configure: Regenerate.
11188         * fortran/Make-lang.in (F95_HTMLFILES): New.
11189         (fortran.html): Use it.
11190         (fortran.install-html): New.
11191         * Makefile.in (install-html): Add lang.install-html.
11192         * java/Make-lang.in (JAVA_HTMLFILES): New.
11193         (java.html): Use it.
11194         (java.install-html): New.
11195         * objc/Make-lang.in (objc.install-html): New.
11196         * objcp/Make-lang.in (obj-c++.install-html): New.
11197         * cp/Make-lang.in (c++.install-html): New.
11198         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
11199         * lto/Make-lang.in (lto.install-html): New.
11200
11201 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11202
11203         PR lto/42520
11204         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
11205
11206 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11207
11208         PR rtl-optimization/41862
11209         * store-motion.c (store_killed_in_insn, compute_store_table,
11210         remove_reachable_equiv_notes, replace_store_insn,
11211         build_store_vectors): Ignore all DEBUG_INSNs.
11212
11213 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11214
11215         PR lto/41564
11216         * common.opt: Add dumpdir.
11217
11218         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
11219         isn't specified.
11220         (option_map): Add --dumpdir.
11221
11222         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
11223
11224         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
11225
11226         * opts.c (decode_options): Try dump_dir_name first if
11227         dump_base_name isn't an absolute path.
11228         (common_handle_option): Handle OPT_dumpdir.
11229
11230         * toplev.c (dump_dir_name): New.
11231         (print_switch_values): Also ignore -dumpdir.
11232
11233         * toplev.h (dump_dir_name): New.
11234
11235 2010-01-03  Richard Guenther  <rguenther@suse.de>
11236
11237         PR tree-optimization/42589
11238         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
11239         double-word expansion of bswap32.
11240
11241 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11242
11243         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
11244         with BLOCK_FOR_INSN.
11245         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
11246         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
11247         noce_process_if_block): Likewise.
11248         * gcse.c (compute_local_properties, insert_expr_in_table,
11249         insert_set_in_table, canon_list_insert, find_avail_set,
11250         pre_insert_copy_insn): Likewise.
11251
11252         * basic-block.h (BLOCK_NUM): Move from here...
11253         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
11254
11255 2010-01-03  Richard Guenther  <rguenther@suse.de>
11256
11257         PR tree-optimization/42438
11258         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
11259         contains_may_not_return_call flag.
11260         (BB_MAY_NOTRETURN): New.
11261         (valid_in_sets): Trapping nary operations are not valid
11262         in blocks that may not return.
11263         (insert_into_preds_of_block): Remove check for trapping expressions.
11264         (compute_avail): Compute also BB_MAY_NOTRETURN.
11265
11266 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
11267
11268         * doc/invoke.texi: Add 2010 to copyright years.
11269
11270 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
11271
11272         * config/sparc/sparc.c: Fix formatting nits.
11273
11274 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
11275             Alexander Monakov  <amonakov@ispras.ru>
11276
11277         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
11278
11279 2010-01-02  Richard Guenther  <rguenther@suse.de>
11280
11281         PR middle-end/42577
11282         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
11283         (simplify_switch_using_ranges): Mark to be removed edges
11284         as non-executable.
11285
11286 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11287
11288         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
11289
11290         * collect2.c (scan_libraries): Add missing argument in call to
11291         scan_prog_file.
11292
11293 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
11294
11295         PR target/42448
11296         * config/alpha/predicates.md (aligned_memory_operand): Return false
11297         for CQImode.
11298         (unaligned_memory_operand): Return true for CQImode.
11299         * config/alpha/alpha.c (get_aligned_mem): Assert that location
11300         doesn not cross aligned SImode word boundary.
11301
11302 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
11303
11304         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
11305         Remove.
11306         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
11307         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
11308
11309 2010-01-02  Richard Guenther  <rguenther@suse.de>
11310
11311         PR lto/41597
11312         * toplev.c (compile_file): Emit LTO marker properly.  Change
11313         it to __gnu_lto_v1.
11314         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
11315
11316 2010-01-01  Richard Guenther  <rguenther@suse.de>
11317
11318         PR debug/42455
11319         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
11320
11321 2010-01-01  Richard Guenther  <rguenther@suse.de>
11322
11323         PR c/42570
11324         * c-decl.c (grokdeclarator): For zero-size arrays force
11325         structural equality checks as layout_type does.
11326
11327 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11328
11329         * builtins.c: Update copyright to 2010.
11330
11331 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11332
11333         PR lto/42531
11334         * lto-streamer-out.c (produce_asm): Revert the last change.
11335         (copy_function): Likewise.
11336
11337         * lto-streamer.c (lto_get_section_name): Skip any leading
11338         asterisk in name.
11339
11340 2010-01-01  Richard Guenther  <rguenther@suse.de>
11341
11342         PR middle-end/42559
11343         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
11344         for LABEL_DECLs.
11345
11346 \f
11347 Copyright (C) 2010 Free Software Foundation, Inc.
11348
11349 Copying and distribution of this file, with or without modification,
11350 are permitted in any medium without royalty provided the copyright
11351 notice and this notice are preserved.