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1 2010-04-28  Martin Jambor  <mjambor@suse.cz>
2
3         * cgraph.h (struct cgraph_node): New field indirect_calls.
4         (struct cgraph_indirect_call_info): New type.
5         (struct cgraph_edge): Removed field indirect_call. New fields
6         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
7         (cgraph_create_indirect_edge): Declare.
8         (cgraph_make_edge_direct): Likewise.
9         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
10         * ipa-prop.h (struct ipa_param_call_note): Removed.
11         (struct ipa_node_params): Removed field param_calls.
12         (ipa_create_all_structures_for_iinln): Declare.
13         * cgraph.c: Described indirect edges and uids in initial comment.
14         (cgraph_add_edge_to_call_site_hash): New function.
15         (cgraph_edge): Search also among the indirect edges, use
16         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
17         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
18         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
19         site hash.
20         (initialize_inline_failed): Assign a reason to indirect edges.
21         (cgraph_create_edge_1): New function.
22         (cgraph_create_edge): Moved some functionality to
23         cgraph_create_edge_1.
24         (cgraph_create_indirect_edge): New function.
25         (cgraph_edge_remove_callee): Add an assert checking for
26         non-indirectness.
27         (cgraph_edge_remove_caller): Special-case indirect edges.
28         (cgraph_remove_edge): Likewise.
29         (cgraph_set_edge_callee): New function.
30         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
31         (cgraph_make_edge_direct): New function.
32         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
33         the declaration of the call statement matches.
34         (cgraph_node_remove_callees): Special-case indirect edges.
35         (cgraph_clone_edge): Likewise.
36         (cgraph_clone_node): Clone also the indirect edges.
37         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
38         indirect_call, dump count of indirect_calls edges.
39         * ipa-prop.c (iinlining_processed_edges): New variable.
40         (ipa_note_param_call): Create indirect edges instead of
41         creating notes.  New parameter node.
42         (ipa_analyze_call_uses): New parameter node, pass it on to
43         ipa_note_param_call.
44         (ipa_analyze_stmt_uses): Likewise.
45         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
46         (print_edge_addition_message): Work on edges rather than on notes.
47         (update_call_notes_after_inlining): Likewise, renamed to
48         update_indirect_edges_after_inlining.
49         (ipa_create_all_structures_for_iinln): New function.
50         (ipa_free_node_params_substructures): Do not free notes.
51         (ipa_edge_duplication_hook): Propagate bits within
52         iinlining_processed_edges bitmap.
53         (ipa_node_duplication_hook): Do not duplicate notes.
54         (free_all_ipa_structures_after_ipa_cp): Renamed to
55         ipa_free_all_structures_after_ipa_cp.
56         (free_all_ipa_structures_after_iinln): Renamed to
57         ipa_free_all_structures_after_iinln.g
58         (ipa_write_param_call_note): Removed.
59         (ipa_read_param_call_note): Removed.
60         (ipa_write_indirect_edge_info): New function.
61         (ipa_read_indirect_edge_info): Likewise.
62         (ipa_write_node_info): Do not stream notes, do stream information
63         in indirect edges.
64         (ipa_read_node_info): Likewise.
65         (lto_ipa_fixup_call_notes): Removed.
66         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
67         * ipa-inline.c (pass_ipa_inline): Likewise.
68         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
69         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
70         * tree-inline.c (copy_bb): Removed an unnecessary double check for
71         is_gimple_call.
72         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
73         edges.
74         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
75         (output_cgraph): Stream also indirect edges.
76         (lto_output_edge): Added capability to stream indirect edges.
77         (input_edge): Likewise.
78         (input_cgraph_1): Likewise.
79
80 2010-04-28  Richard Guenther  <rguenther@suse.de>
81
82         PR tree-optimization/43879
83         PR tree-optimization/43909
84         * tree-ssa-structalias.c (struct variable_info): Add
85         only_restrict_pointers flag.
86         (new_var_info): Initialize it.  Increment stats.total_vars here.
87         (create_function_info_for): Do not increment stats.total_vars
88         here.
89         (get_function_part_constraint): Fix build with C++.
90         (insert_into_field_list): Remove.
91         (push_fields_onto_fieldstack): Properly merge fields.
92         (create_variable_info_for): Split and simplify.
93         (create_variable_info_for_1): New piece.
94         (intra_create_variable_infos): Properly make restrict constraints
95         from parameters.
96
97 2010-04-28  Richard Guenther  <rguenther@suse.de>
98
99         PR c++/43880
100         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
101         value-exprs.
102
103 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
104             Jan Hubicka <hubicka@ucw.cz>
105
106         * doc/invoke.texi (-Wsuggest-attribute=const,
107         -Wsuggest-attribute=pure): Document.
108         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
109         (function_always_visible_to_compiler_p,
110         suggest_attribute, warn_function_pure, warn_function_const):
111         New functions.
112         (check_call): Improve debug info.
113         (analyze_function): Do not check availability.
114         (add_new_function): Check availability.
115         (propagate): Output warnings.
116         (skip_function_for_local_pure_const): New function.
117         (local_pure_const): Use it; output warnings.
118         * common.opt (Wsuggest-attribute=const,
119         Wsuggest-attribute=pure): New.
120
121 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
122
123         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
124         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
125         or DW_CFA_def_cfa_offset{,_sf}.
126
127 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
128
129         * tree.h: Fix truncated long macros.
130
131 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
132
133         * collect2.c (TARGET_64BIT): Redefine to target's default.
134         * tlink.c: Likewise.
135         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
136         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
137         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
138         for underscoring __USER_LABEL_PREFIX__.
139         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
140         (SUB_LINK_ENTRY32): New.
141         (SUB_LINK_ENTRY64): New.
142         (LINK_SPEC): Replace entry point spec by
143         SUB_LINK_ENTRY.
144         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
145         (SUB_LINK_ENTRY64): New.
146         (SUB_LINK_ENTRY): New.
147         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
148         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
149         x64 target is choosen.
150         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
151         * configure: Regenerated.
152         * configure.ac (leading-mingw64-underscores): Option added.
153
154 2010-04-27  Jan Hubicka  <jh@suse.cz>
155
156         * doc/invoke.texi (-fipa-profile): Document.
157         * opts.c (decode_options): Enable ipa-profile at -O1.
158         * timevar.def (TV_IPA_PROFILE): Define.
159         * common.opt (fipa-profile): Add.
160         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
161         flag for clones.
162         (cgraph_propagate_frequency): Handle only local ones.
163         * tree-pass.h (pass_ipa_profile): Declare.
164         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
165         (pass_ipa_profile): Use TV_IPA_PROFILE.
166         * ipa.c (ipa_profile): New function.
167         (gate_ipa_profile): Likewise.
168         (pass_ipa_profile): New global variable.
169         * passes.c (pass_ipa_profile): New.
170
171 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
172
173         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
174
175 2010-04-27  Martin Jambor  <mjambor@suse.cz>
176
177         PR middle-end/43812
178         * ipa.c (dissolve_same_comdat_group_list): New function.
179         (function_and_variable_visibility): Call
180         dissolve_same_comdat_group_list when comdat group contains external or
181         newly local nodes.
182         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
183         lists are circular and that they contain only DECL_ONE_ONLY nodes.
184
185 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
186
187         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
188         (const_hash_1) <VECTOR_CST>: New case.
189         (compare_constant) <VECTOR_CST>: Likewise.
190         <ADDR_EXPR>: Deal with LABEL_REFs.
191         (copy_constant) <VECTOR_CST>: New case.
192
193 2010-04-27  Jan Hubicka  <jh@suse.cz>
194
195         * cgraph.c (cgraph_propagate_frequency): New function.
196         * cgraph.h (cgraph_propagate_frequency): Declare.
197         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
198         cgraph_propagate_frequency.
199
200 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
201
202         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
203
204 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
205
206         PR target/40657
207         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
208         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
209         here to determine which regs to push and how much stack to reserve.
210
211 2010-04-27  Jie Zhang  <jie@codesourcery.com>
212
213         * doc/gimple.texi (gimple_statement_with_ops): Remove
214         addresses_taken field.
215         (gimple_statement_with_memory_ops): Likewise.
216
217 2010-04-27  Jan Hubicka  <jh@suse.cz>
218
219         * tree-inline.c (eni_inlining_weights): Remove.
220         (estimate_num_insns): Special case more builtins.
221
222 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
223         
224         PR c/32207
225         * c-typeck.c (build_binary_op): Move forward check for comparison
226         pointer with null pointer constant and adjust the diagnostic message.
227
228 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
229
230         PR lto/42776
231         * configure.ac (gcc_cv_as_section_has_align): Set if installed
232         binutils supports extended .section directive needed by LTO, or
233         warn if older binutils found.
234         (LTO_BINARY_READER): New AC_SUBST'd variable.
235         (LTO_USE_LIBELF): Likewise.
236         * gcc/config.gcc (lto_binary_reader): New target-specific configure
237         variable.
238         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
239         (LTO_USE_LIBELF): Likewise.
240         * configure: Regenerate.
241
242         * collect2.c (is_elf): Rename from this ...
243         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
244          object files in addition to ELF-formatted ones.
245         (scan_prog_file): Caller updated.  Also allow for LTO info marker
246         symbol to be prefixed or not by an extra underscore.
247
248         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
249         * config/i386/winnt.c: Also #include lto-streamer.h
250         (i386_pe_asm_named_section): Specify 1-byte section alignment for
251         LTO named sections.
252         (i386_pe_asm_output_aligned_decl_common): Add comment.
253         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
254
255 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
256
257         PR target/43889
258         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
259         Add missing earlyclobber for second alternative.
260
261 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
262
263         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
264         bits for artificial defs at the top of the block.
265         * fwprop.c (single_def_use_enter_block): Don't call it.
266
267 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
268
269         PR 43715
270         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
271         instead of "$gcc_cv_objdump -T".
272         Use "-undefined dynamic_lookup" on darwin.
273         * gcc/configure: Regenerate.
274
275 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
276
277         PR c/43893
278         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
279
280 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
281
282         * c-parser.c (struct c_token): Move location field up.
283         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
284         (struct c_declspecs): Convert typespec_word, storage_class, and
285         default_int_p into bitfields.
286         (struct c_declarator): Move loc field up.
287
288 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
289
290         * cfgloop.h (struct loop): Move can_be_parallel field up.
291         * ipa-prop.h (struct ip_node_params): Move bitfields up.
292         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
293         down.
294         (struct iv_cand): Convert pos field into a bitfield.
295         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
296         field up.
297         (struct _stmt_vec_info): Shuffle fields for better packing.
298
299 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
300
301         * varasm.c (IN_NAMED_SECTION): Remove guard.
302         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
303         (IN_NAMED_SECTION_P): ...this.
304         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
305         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
306
307 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
308
309         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
310         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
311         of shadowing it.  Fix comments.
312
313 2010-04-26  Jan Hubicka  <jh@suse.cz>
314
315         * cgraph.c (cgraph_create_node): Set node frequency to normal.
316         (cgraph_clone_node): Copy function frequency.
317         * cgraph.h (node_frequency): New enum
318         (struct cgraph_node): Add.
319         * final.c (rest_of_clean_state): Update.
320         * lto-cgraph.c (lto_output_node): Output node frequency.
321         (input_overwrite_node): Input node frequency.
322         * tre-ssa-loop-ivopts (computation_cost): Update.
323         * lto-streamer-out.c (output_function): Do not output function
324         frequency.
325         * predict.c (maybe_hot_frequency_p): Update and handle functions
326         executed once.
327         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
328         attribute lookup.
329         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
330         (compute_function_frequency): Set noreturn functions to be executed
331         once.
332         (choose_function_section): Update.
333         * lto-streamer-in.c (input_function): Do not input function frequency.
334         * function.c (allocate_struct_function): Do not initialize function
335         frequency.
336         * function.h (function_frequency): Remove.
337         (struct function): Remove function frequency.
338         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
339         (try_update): Update.
340         * tree-inline.c (initialize_cfun): Do not update function frequency.
341         * passes.c (pass_init_dump_file): Update.
342         * i386.c (ix86_compute_frame_layout): Update.
343         (ix86_pad_returns): Update.
344
345 2010-04-26  Jie Zhang  <jie@codesourcery.com>
346
347         PR tree-optimization/43833
348         * tree-vrp.c (range_int_cst_p): New.
349         (range_int_cst_singleton_p): New.
350         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
351         when both operands are constants.  Use range_int_cst_p in
352         BIT_IOR_EXPR case.
353
354 2010-04-26  Jan Hubicka  <jh@suse.cz>
355
356         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
357
358 2010-04-26  Richard Guenther  <rguenther@suse.de>
359
360         PR lto/43080
361         * gimple.c (gimple_decl_printable_name): Deal gracefully
362         with a NULL DECL_NAME.
363
364 2010-04-26  Richard Guenther  <rguenther@suse.de>
365
366         PR lto/42425
367         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
368         if emitting debug information and it is either a function
369         or a namespace decl.
370
371 2010-04-26  Ira Rosen  <irar@il.ibm.com>
372
373         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
374         determine if the statement is vectorizable, and a macro to 
375         access it.
376         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
377         Skip statements that can't be vectorized. If the analysis 
378         fails, mark the statement as unvectorizable if vectorizing 
379         basic block.
380         (vect_compute_data_refs_alignment): Likewise.
381         (vect_verify_datarefs_alignment): Skip statements marked as 
382         unvectorizable. Add print.
383         (vect_analyze_group_access): Skip statements that can't be 
384         vectorized. If the analysis fails, mark the statement as 
385         unvectorizable if vectorizing basic block.
386         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
387         Likewise.
388         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
389         generated stmts for SLP.
390         (new_stmt_vec_info): Initialize the new field.
391         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
392         statements marked as unvectorizable.
393
394 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
395
396         * c-common.c (flag_isoc1x): New.
397         (flag_isoc99): Update comment.
398         * c-common.h (flag_isoc1x): New.
399         (flag_isoc99): Update comment.
400         * c-cppbuiltin.c (builtin_define_float_constants): Also define
401         __<type>_DECIMAL_DIG__.
402         * c-opts.c (set_std_c1x): New.
403         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
404         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
405         * c.opt (-std=c1x, -std=gnu1x): New options.
406         * doc/cpp.texi: Mention -std=c1x.
407         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
408         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
409         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
410         * doc/standards.texi: Mention C1X.
411         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
412         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
413         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
414         Define for C1X.
415
416 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
417
418         * config/i386/gmon-sol2.c (_mcleanup): Change format string
419         placeholder from 0x%x to %#x.
420         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
421         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
422         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
423         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
424         * config/i386/i386.c (ix86_target_string): Ditto.
425         (output_pic_addr_const): Ditto.
426         (print_operand): Ditto.
427
428 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
429
430         * combine.c (find_split_point): Add third argument.  Use it
431         to find nested multiply-accumulate instructions.  Adjust calls.
432         (try_combine): Adjust call to find_split_point.
433
434 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
435
436         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
437
438 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
439
440         PR tree-optimization/41442
441         * fold-const.c (merge_truthop_with_opposite_arm): New function.
442         (fold_binary_loc): Call it.
443
444 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
445
446         * toplev.c (general_init): Set default for fdiagnostics-show-option.
447         * opts.c (common_handle_option): Allow disabling it.
448         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
449
450 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
451
452         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
453         between modes if both types are integral.
454
455 2010-04-23  Richard Guenther  <rguenther@suse.de>
456
457         PR tree-optimization/43572
458         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
459
460 2010-04-23  Richard Guenther  <rguenther@suse.de>
461
462         PR lto/43455
463         * tree-inline.c (tree_can_inline_p): Also check compatibility
464         of return types.
465
466 2010-04-23  Martin Jambor  <mjambor@suse.cz>
467
468         PR tree-optimization/43846
469         * tree-sra.c (struct access): New flag grp_assignment_read.
470         (build_accesses_from_assign): Set grp_assignment_read.
471         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
472         (enum mark_read_status): New type.
473         (analyze_access_subtree): Propagate grp_assignment_read, create
474         accesses also if both direct_read and root->grp_assignment_read.
475
476 2010-04-23  Martin Jambor  <mjambor@suse.cz>
477
478         PR middle-end/43835
479         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
480         function does not have type attributes.
481
482 2010-04-23  Richard Guenther  <rguenther@suse.de>
483
484         PR lto/42653
485         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
486         of FUNCTION_DECLs.
487
488 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
489
490         * sese.h (create_if_region_on_edge): Remove.
491
492         * sese.c (create_if_region_on_edge): Make static.
493
494         * tree-inline.c: Do not include ggc.h.
495
496         * expr.c: Do not include ggc.h.
497
498         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
499         dependencies.
500
501 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
502
503         PR target/43744
504         * config/sh/sh.c (find_barrier): Don't emit a constant pool
505         in the middle of insns for casesi_worker_2.
506
507 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
508
509         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
510
511 2010-04-22  Ira Rosen  <irar@il.ibm.com>
512
513         PR tree-optimization/43842
514         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
515         loop unrolling in update of exit phis. Fix comment.
516         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
517         least two reduction statements in the loop before starting SLP
518         analysis.
519
520 2010-04-22  Nick Clifton  <nickc@redhat.com>
521
522         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
523
524 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
525
526         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
527         to simplify a + ~a.
528
529 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
530
531         * tree-parloops.c (loop_parallel_p): New argument
532         parloop_obstack.  Pass it down.
533         (parallelize_loops): New variable parloop_obstack.  Initialize it,
534         pass it down, free it.
535
536         * tree-loop-linear.c (linear_transform_loops): Pass down
537         lambda_obstack.
538
539         * tree-data-ref.h (lambda_compute_access_matrices): New argument
540         of type struct obstack *.
541
542         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
543         scratch_obstack.  Initialize it, pass down, free it.
544
545         * lambda.h (lambda_loop_new): Remove.
546         (lambda_matrix_new, lambda_matrix_inverse)
547         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
548         argument of type struct obstack *.
549
550         * lambda-trans.c (lambda_trans_matrix_new): New argument
551         lambda_obstack.  Pass it down, use obstack allocation for ret.
552         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
553         it down.
554
555         * lambda-mat.c (lambda_matrix_get_column)
556         (lambda_matrix_project_to_null): Remove.
557         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
558         allocation for mat.
559         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
560         lambda_obstack.
561
562         * lambda-code.c (lambda_loop_new): New function.
563         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
564         (lambda_compute_auxillary_space, lambda_compute_target_space)
565         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
566         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
567         (build_access_matrix): New argument lambda_obstack.  Use obstack
568         allocation for am.
569         (lambda_compute_step_signs, lambda_compute_access_matrices): New
570         argument lambda_obstack.  Pass it down.
571
572 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
573
574         * optabs.h (expand_widening_mult): Declare.
575
576 2010-04-22  Richard Guenther  <rguenther@suse.de>
577
578         PR tree-optimization/43845
579         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
580         lookup the CALL_EXPR function and arguments.
581
582 2010-04-22  Nick Clifton  <nickc@redhat.com>
583
584         * config/stormy16/stormy16.c
585         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
586         * config/stormy16/stormy16.h: Tidy up formatting.
587         (DONT_USE_BUILTIN_SETJMP): Remove definition.
588         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
589         (ineqbranchsi): Delete pattern.
590         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
591         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
592         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
593         stormy16-lib2-ucmpsi2.c.
594
595 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
596
597         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
598         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
599         extra set merge_set_noclobber, and use it to relax the final test
600         slightly.
601         * df.h (df_simulate_find_noclobber_defs): Declare.
602         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
603         conditional defs.
604         (df_simulate_find_noclobber_defs): New function.
605
606 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
607
608         * config/i386/i386.md: Use {} around multi-line preparation statements.
609
610 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
611
612         * c-tree.h (push_init_level, pop_init_level, set_init_index)
613         (process_init_element): New argument of type struct obstack *.
614
615         * c-typeck.c (push_init_level, pop_init_level, set_designator)
616         (set_init_index, set_init_label, set_nonincremental_init)
617         (set_nonincremental_init_from_string, find_init_member)
618         (output_init_element, output_pending_init_elements)
619         (process_init_element): New argument braced_init_obstack.  Pass it
620         down.
621         (push_range_stack, add_pending_init): New argument
622         braced_init_obstack.  Use obstack allocation.
623
624         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
625         braced_init_obstack.  Pass it down.
626         (c_parser_braced_init): New variables ret, braced_init_obstack.
627         Initialize obstack, pass it down and finally free it.
628
629 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
630
631         PR middle-end/29274
632         * tree-pass.h (pass_optimize_widening_mul): Declare.
633         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
634         gate_optimize_widening_mul): New static functions.
635         (pass_optimize_widening_mul): New.
636         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
637         <case MULT_EXPR>: Remove support for widening multiplies.
638         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
639         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
640         simplify_gen_unary rather than directly building extensions.
641         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
642         WIDEN_MULT_EXPR.
643         * expmed.c (expand_widening_mult): New function.
644         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
645
646 2010-04-21  Jan Hubicka  <jh@suse.cz>
647
648         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
649         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
650         * lto-wpa-fixup.c: Remove.
651         * Makefile.in (lto-wpa-fixup.o): Remove.
652         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
653         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
654         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
655
656 2010-04-21  Jan Hubicka  <jh@suse.cz>
657
658         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
659         add write_optimization_summary, read_optimization_summary.
660         (ipa_write_summaries_of_cgraph_node_set): Remove.
661         (ipa_write_optimization_summaries): Declare.
662         (ipa_read_optimization_summaries): Declare.
663         * ipa-cp.c (pass_ipa_cp): Update.
664         * ipa-reference.c (pass_ipa_reference): Update.
665         * ipa-pure-const.c (pass_ipa_pure_const): Update.
666         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
667         Update.
668         * ipa-inline.c (pass_ipa_inline): Update.
669         * ipa.c (pass_ipa_whole_program): Update.
670         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
671         * passes.c (ipa_write_summaries_1): Do not test wpa.
672         (ipa_write_optimization_summaries_1): New.
673         (ipa_write_optimization_summaries): New.
674         (ipa_read_summaries): Do not test ltrans.
675         (ipa_read_optimization_summaries_1): New.
676         (ipa_read_optimization_summaries): New.
677
678 2010-04-21  Jan Hubicka  <jh@suse.cz>
679
680         * lto-cgraph.c (lto_output_node): Do not output comdat groups
681         for boundary nodes.
682         (output_cgraph): Do not arrange comdat groups for boundary nodes.
683
684 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
685
686         PR debug/40040
687         * dwarf2out.c (add_name_and_src_coords_attributes): Add
688         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
689
690 2010-04-21  Jan Hubicka  <jh@suse.cz>
691
692         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
693
694 2010-04-21  Jan Hubicka  <jh@suse.cz>
695
696         * varpool.c (decide_is_variable_needed): Variable is always needed
697         during ltrans.
698
699 2010-04-21  Jan Hubicka  <jh@suse.cz>
700
701         * opts.c (decode_options): Enable pure-const pass for whopr.
702
703 2010-04-21  Jan Hubicka  <jh@suse.cz>
704
705         * cgraph.c (dump_cgraph_node): Dump also assembler name.
706         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
707         at WPA dumping.
708         (cgraph_decide_inlining): Do not expect callee to be removed in all
709         cases.
710
711 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
712
713         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
714
715 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
716
717         * config/i386/i386.md (x86_shrd): Add athlon_decode and
718         amdfam10_decode attributes.
719
720 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
721
722         PR middle-end/43570
723         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
724         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
725         (lower_copyprivate_clauses): Use private var in outer
726         context instead of original var.  Make sure the types
727         are correct for VLAs.
728
729 2010-04-21  Richard Guenther  <rguenther@suse.de>
730
731         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
732         to non-pointer objects.
733
734 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
735
736         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
737         last chain entry if it starts with the still current label.
738         (add_location_or_const_value_attribute): Check that
739         loc_list->first->next is NULL instead of comparing ->first with ->last.
740         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
741         to add_var_loc_to_decl.
742
743         * dwarf2out.c (output_call_frame_info): For dw_cie_version
744         >= 4 add also address size and segment size fields into CIE header.
745
746         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
747         long as address size is the same as sizeof (void *) and
748         segment size is 0.
749         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
750         address size or segment size is unexpected, return DW_EH_PE_omit.
751         (classify_object_over_fdes): If get_cie_encoding returned
752         DW_EH_PE_omit, return -1.
753         (init_object): If classify_object_over_fdes returned -1,
754         pretend there were no FDEs at all.
755
756 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
757
758         * config/i386/i386.md (bswap<mode>2): Macroize expander from
759         bswap{si,di}2 using SWI48 mode iterator.
760         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
761         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
762         set modrm attribute of bswap insn to 0 and remove length attribute.
763         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
764         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
765         set mode attribute to <MODE> and remove length attribute.
766
767 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
768
769         PR rtl-optimization/43520
770         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
771         zero available registers.
772
773 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
774
775         * builtins.c (fold_builtin_cproj): Fold more cases.
776
777 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
778
779         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
780         (fold_builtin_1): Fold builtin cproj.
781         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
782         Use ATTR_CONST_NOTHROW_LIST.
783
784 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
785
786         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
787         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
788         ffsi2_no_cmove for !TARGET_CMOVE.
789         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
790         (ffssi2): Remove expander.
791         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
792         mode iterator.
793         (ctz<mode>2): Ditto from ctz{si,di}2.
794         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
795         mode iterator.
796         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
797         mode iterator.
798
799 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
800
801         * dwarf2out.c (AT_linkage_name): Define.
802         (clone_as_declaration): Handle DW_AT_linkage_name.
803         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
804         of DW_AT_MIPS_linkage_name.
805         (move_linkage_attr): Likewise.
806         (dwarf2out_finish): Likewise.
807
808 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
809
810         PR middle-end/41952
811         * fold-const.c (fold_comparison): New folding rule.
812
813 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
814
815         * double-int.h (double_int_setbit): Declare.
816         * double-int.c (double_int_setbit): New function.
817         * rtl.h (immed_double_int_const): Declare.
818         * emit-rtl.c (immed_double_int_const): New function.
819         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
820         and immed_double_int_const functions.
821         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
822         expand_copysign_bit):  (Ditto.).
823         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
824         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
825         * dojump.c (prefer_and_bit_test): (Ditto.).
826         * expr.c (convert_modes, reduce_to_bit_field_precision,
827         const_vector_from_tree): (Ditto.).
828         * expmed.c (mask_rtx, lshift_value): (Ditto.).
829
830 2010-04-20  Jan Hubicka  <jh@suse.cz>
831
832         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
833         (dump_cgraph_node): Dump new flags.
834         * cgraph.h (struct cgraph_node): Add flags
835         reachable_from_other_partition and in_other_partition.
836         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
837         other partition can not be removed.
838         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
839         the other partition must be output; silence sanity checking on
840         leaking functions bodies from other paritition.
841         * lto-cgraph.c (reachable_from_other_partition_p): New function.
842         (lto_output_node): Output new flags; do not sanity check that inline
843         clones are output; drop lto_forced_extern_inline_p code; do not mock
844         visibility flags at partition boundaries.
845         (add_node_to): New function.
846         (output_cgraph): Use it to sort functions so masters appear before
847         clones.
848         (input_overwrite_node): Input new flags.
849         * passes.c (ipa_write_summaries): Do not call
850         lto_new_extern_inline_states.
851         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
852         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
853         lto_forced_extern_inline_p): Kill.
854         * lto-streamer.h (lto_new_extern_inline_states,
855         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
856         lto_forced_extern_inline_p): Kill.
857
858 2010-04-20  Richard Guenther  <rguenther@suse.de>
859
860         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
861         from vars that can have pointers.
862         (process_constraint): Dump useless constraints.
863
864 2010-04-20  Richard Guenther  <rguenther@suse.de>
865
866         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
867         (dump_sa_points_to_info): Remove asserts.
868         (init_base_vars): nothing_id isn't an escape point nor does it
869         have pointers.
870
871 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
872
873         * tree.h (TYPE_REF_IS_RVALUE): Define.
874         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
875         should_move_die_to_comdat, prune_unused_types_walk): Handle
876         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
877         (modified_type_die, gen_reference_type_die): Emit
878         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
879         if TYPE_REF_IS_RVALUE and -gdwarf-4.
880
881 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
882
883         PR target/43635
884         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
885         calls for -fpic -m31 if they have been sibcall optimized.
886
887 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
888
889         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
890         ar.lc fixed and call-used.
891
892         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
893
894 2010-04-19  Jan Hubicka  <jh@suse.cz>
895
896         * opts.c (decode_options): Disable whpr incompatible passes.
897         * lto/lto.c (lto_1_to_1_map): Skip clones.
898         (read_cgraph_and_symbols): Do not mark everything as needed.
899         (do_whole_program_analysis): Do map only after optimizing;
900         set proper cgraph_state; use passmanager.
901
902 2010-04-19  DJ Delorie  <dj@redhat.com>
903
904         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
905         POINTER_PLUS_EXPR and fix them.
906
907 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
908
909         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
910         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
911         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
912         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
913         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
914         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
915         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
916         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
917         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
918         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
919         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
920
921 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
922
923         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
924         (check_cond_move_block): Likewise.
925         (cond_move_process_if_block): Likewise.
926         (noce_find_if_block): Improve formatting.
927         (find_if_header): Pass 0 to memset and tweak conditions.
928         (cond_exec_find_if_block): Fix long lines and tweak conditions.
929
930 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
931
932         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
933         for -gdwarf-4.
934
935         PR middle-end/43337
936         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
937         with non-local decl doesn't need chain.
938
939 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
940
941         * ira-color.c (allocno_reload_assign): Avoid accumulating
942         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
943
944 2010-04-19  Martin Jambor  <mjambor@suse.cz>
945
946         * gimple.h (create_tmp_reg): Declare.
947         * gimplify.c (create_tmp_reg): New function.
948         (gimplify_return_expr): Use create_tmp_reg.
949         (gimplify_omp_atomic): Likewise.
950         (gimple_regimplify_operands): Likewise.
951         * tree-dfa.c (make_rename_temp): Likewise.
952         * tree-predcom.c (predcom_tmp_var): Likewise.
953         (reassociate_to_the_same_stmt): Likewise.
954         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
955         (get_replaced_param_substitute): Likewise.
956         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
957         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
958         * tree-ssa-pre.c (get_representative_for): Likewise.
959         (create_expression_by_pieces): Likewise.
960         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
961         (create_tailcall_accumulator): Likewise.
962
963 2010-04-19  Martin Jambor  <mjambor@suse.cz>
964
965         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
966         new_stmt.
967         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
968
969 2010-04-19  Richard Guenther  <rguenther@suse.de>
970
971         PR tree-optimization/43796
972         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
973         from SCEV in the lattice.
974         (vrp_visit_phi_node): Dump change.
975
976 2010-04-19  Richard Guenther  <rguenther@suse.de>
977
978         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
979         * configure: Re-generated.
980
981 2010-04-19  Richard Guenther  <rguenther@suse.de>
982
983         PR tree-optimization/43783
984         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
985         constant ARRAY_REF operands two and three if possible.
986
987 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
988
989         PR target/43766
990         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
991
992 2010-04-19  Jie Zhang  <jie@codesourcery.com>
993
994         PR target/43662
995         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
996
997 2010-04-19  Ira Rosen  <irar@il.ibm.com>
998
999         PR tree-optimization/37027
1000         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1001         and macro to access it.
1002         (vectorizable_reduction): Add argument.
1003         (vect_get_slp_defs): Likewise.
1004         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1005         statements for possible use in SLP.
1006         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1007         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1008         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1009         add new argument.
1010         (vectorizable_reduction): Likewise.
1011         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1012         vect_get_slp_defs.
1013         (vectorizable_type_demotion, vectorizable_type_promotion,
1014         vectorizable_store): Likewise.
1015         (vect_analyze_stmt): Update call to vectorizable_reduction.
1016         (vect_transform_stmt): Likewise.
1017         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1018         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1019         from different interleaving chains in same node.
1020         (vect_slp_rearrange_stmts): New function.
1021         (vect_supported_load_permutation_p): Allow load permutations for
1022         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1023         inside SLP nodes if necessary.
1024         (vect_analyze_slp_instance): Handle reductions.
1025         (vect_analyze_slp): Try to build SLP instances originating from groups
1026         of reductions.
1027         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1028         (vect_get_constant_vectors): Create initial vectors for reductions
1029         according to reduction code. Add new argument.
1030         (vect_get_slp_defs): Add new argument, pass it to
1031         vect_get_constant_vectors.
1032         (vect_schedule_slp_instance): Remove SLP tree root statements.
1033
1034 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1035
1036         * tree.h (ENUM_IS_SCOPED): Define.
1037         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1038         for ENUM_IS_SCOPED enums.
1039
1040 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1041
1042         * fold-const.c (fold_comparison): Use ssizetype.
1043         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1044         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1045         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1046         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1047
1048         * tree.h (initialize_sizetypes): Remove parameter.
1049         (build_common_tree_nodes): Remove second parameter.
1050         * stor-layout.c (initialize_sizetypes): Remove parameter.
1051         Always create an unsigned type.
1052         (set_sizetype): Assert that the passed type is unsigned and simplify.
1053         * tree.c (build_common_tree_nodes): Remove second parameter.
1054         Adjust call to initialize_sizetypes.
1055         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1056         build_common_tree_nodes.
1057
1058 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1059
1060         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1061
1062 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1063
1064         PR tree-optimization/43771
1065         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1066         load permutation doesn't have gaps.
1067
1068 2010-04-18  Jan Hubicka  <jh@suse.cz>
1069
1070         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1071         (sse_prologue_save_insn expander): Use new pattern.
1072         (sse_prologue_save_insn1): New pattern and splitter.
1073         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1074         blocks.
1075         * i386.c (setup_incoming_varargs_64): Do not compute jump
1076         destination here.
1077         (ix86_gimplify_va_arg): Update alignment needed.
1078         (ix86_local_alignment): Do not align all local arrays to 128bit.
1079
1080 2010-04-17  Jan Hubicka  <jh@suse.cz>
1081
1082         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1083
1084 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1085
1086         * arm.md (negdi2): Remove redundant code to force values into a
1087         register.
1088
1089 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1090
1091         * arm/bpabi.S: Add EABI alignment attributes to objects.
1092         * arm/bpabi-v6m.S: Likewise.
1093         * arm/crti.asm: Likewise.
1094         * arm/crtn.asm: Likewise.
1095         * arm/lib1funcs.asm: Likewise.
1096         * arm/libunwind.S: Likewise.
1097
1098 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1099
1100         * arm-protos.h (tune_params): New structure.
1101         * arm.c (current_tune): New variable.
1102         (arm_constant_limit): Delete.
1103         (struct processors): Add pointer to the tune parameters.
1104         (arm_slowmul_tune): New tuning option.
1105         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1106         (all_cores): Adjust to pick up the tuning model.
1107         (arm_constant_limit): New function.
1108         (arm_override_options): Select the appropriate tuning model.  Delete
1109         initialization of arm_const_limit.
1110         (arm_split_constant): Use the new constant-limit model.
1111         (arm_rtx_costs): Pick up the current tuning model.
1112         * arm.md (is_strongarm, is_xscale): Delete.
1113         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1114         for Xscale variant architectures.
1115         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1116
1117 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1118
1119         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1120         can_shift.
1121         (arm_rtx_costs_1): Remove unused variable extra_cost.
1122         (arm_unwind_emit_set): Use variable offset.
1123         (thumb1_output_casesi): Remove unused variable flags.
1124
1125 2010-04-16  Jeff Law  <law@redhat.com>
1126
1127         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1128         needing assignment rather than doing a two-phase assignment.  Remove
1129         unused variable 'm'.
1130
1131 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1132
1133         PR bootstrap/43767
1134         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1135
1136 2010-04-16  Doug Kwan  <dougkwan@google.com>
1137
1138         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1139         (next_operand_entry_id): New static variable.
1140         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1141         (add_to_ops_vec): Assigned unique ID to operand entry.
1142         (struct oecount_s): New field ID.
1143         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1144         (undistribute_ops_list): Assign unique IDs to oecounts.
1145         (init_reassoc): reset next_operand_entry_id.
1146
1147 2010-04-16  Doug Kwan  <dougkwan@google.com>
1148
1149         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1150         missing left parenthesis.
1151
1152 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1153
1154         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1155         *btdi_rex64 using SWI48 mode iterator.
1156         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1157         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1158         *jcc_btdi_mask_rex64.
1159
1160 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1161
1162         * double-int.h (tree_to_double_int): Convert to macro.
1163         * double-int.c (tree_to_double_int): Remove.
1164
1165 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1166
1167         PR debug/43762
1168         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1169         with want_address 2 and in case a single element list might be
1170         possible, call it again with want_address 0.
1171
1172 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1173
1174         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1175         case 'W' print operands for HI mode.
1176         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1177         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1178         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1179         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1180
1181         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1182
1183         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1184         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1185         #xx:3 and #xx:4 mode.
1186
1187         * config/h8300/h8300.md (inverted load with HImode dest): Add
1188         support for H8300SX.
1189
1190         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1191         satisfy 'U' constraint.
1192
1193 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1194
1195         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1196         * configure: Regenerate.
1197         * config.in: Regenerate.
1198         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1199         works.
1200
1201 2010-04-16  Richard Guenther  <rguenther@suse.de>
1202
1203         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1204         (struct tree_decl_common): ... here.
1205         (DECL_PT_UID): Adjust.
1206         (SET_DECL_PT_UID): Likewise.
1207         (DECL_PT_UID_SET_P): Likewise.
1208
1209 2010-04-16  Richard Guenther  <rguenther@suse.de>
1210
1211         PR tree-optimization/43572
1212         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1213         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1214         * tree-flow.h (is_call_clobbered): Remove.
1215         * tree-flow-inline.h (is_call_clobbered): Likewise.
1216         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1217         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1218         (execute_return_slot_opt): Adjust.
1219         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1220         check for call clobbered vars here.
1221         (find_tail_calls): Move tailcall verification to the
1222         proper place.
1223
1224 2010-04-16  Diego Novillo  <dnovillo@google.com>
1225
1226         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1227
1228 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1229
1230         PR target/40603
1231         * config/arm/arm.md (cbranchqi4): New pattern.
1232         * config/arm/predicates.md (const0_operand,
1233         cbranchqi4_comparison_operator): New predicates.
1234
1235 2010-04-16  Richard Guenther  <rguenther@suse.de>
1236
1237         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1238         (dump_gimple_stmt): Likewise.
1239
1240 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1241
1242         * recog.h (struct recog_data): New field is_operator.
1243         (struct insn_operand_data): New field is_operator.
1244         * recog.c (extract_insn): Set recog_data.is_operator.
1245         * genoutput.c (output_operand_data): Emit code to set the
1246         is_operator field.
1247         * reload.c (find_reloads): Use it rather than testing for an
1248         empty constraint string.
1249
1250         PR target/41514
1251         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1252         If the previous insn is a cbranchsi4_insn with the same arguments,
1253         omit the compare instruction.
1254
1255         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1256         register, inputs must be low registers and we need a low register
1257         scratch.  Handle alternative 2 like alternative 3.
1258
1259 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1260
1261         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1262         don't call get_addr on both.  If one expression is a VALUE and
1263         the other a REG, check VALUE's locs if the REG isn't among them.
1264
1265 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1266
1267         * config/sh/sh.h (sh_frame_pointer_required): New function.
1268         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1269         (flag_omit_frame_pointer) Set.
1270         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1271         (rounded_frame_size): Adjust size with outgoing_args_size.
1272         (sh_set_return_address): Must return from stack pointer.
1273         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1274         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1275         (ACCUMULATE_OUTGOING_ARGS): Define.
1276         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1277         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1278
1279 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1280
1281         PR target/43471
1282         * config/sh/sh.c (sh_legitimize_reload_address): Use
1283         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1284         Remove a unneeded check for offset_base.
1285
1286 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1287
1288         * configure: Regenerated.
1289
1290 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1291
1292         * config/s390/s390.c (s390_call_save_register_used): Switch back
1293         to HARD_REGNO_NREGS.
1294
1295 2010-04-15  Richard Guenther  <rguenther@suse.de>
1296
1297         * alias.c (alias_set_subset_of): Handle alias-set zero
1298         child properly.
1299
1300 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1301             Julian Brown  <julian@codesourcery.com>
1302
1303         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1304         alternatives according to use of high and low regs.
1305         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1306         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1307         optimizing for size on Thumb-2.
1308
1309 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1310
1311         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1312
1313 2010-04-15  Richard Guenther  <rguenther@suse.de>
1314
1315         * tree-ssa-structalias.c (struct variable_info): Add
1316         is_fn_info flag.
1317         (new_var_info): Initialize it.
1318         (dump_constraints): Support printing last added constraints.
1319         (debug_constraints): Adjust.
1320         (dump_constraint_graph): Likewise.
1321         (make_heapvar_for): Check for NULL cfun.
1322         (get_function_part_constraint): New function.
1323         (get_fi_for_callee): Likewise.
1324         (find_func_aliases): Properly implement IPA PTA constraints.
1325         (process_ipa_clobber): New function.
1326         (find_func_clobbers): Likewise.
1327         (insert_into_field_list_sorted): Remove.
1328         (create_function_info_for): Properly allocate vars for IPA mode.
1329         Do not use insert_into_field_list_sorted.
1330         (create_variable_info_for): Properly generate constraints for
1331         global vars in IPA mode.
1332         (dump_solution_for_var): Always dump the solution.
1333         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1334         (find_what_var_points_to): Adjust.
1335         (pt_solution_set): Change.
1336         (pt_solution_ior_into): New function.
1337         (pt_solution_empty_p): Export.
1338         (pt_solution_includes_global): Adjust.
1339         (pt_solution_includes_1): Likewise.
1340         (pt_solutions_intersect_1): Likewise.
1341         (dump_sa_points_to_info): Check some invariants.
1342         (solve_constraints): Move constraint dumping ...
1343         (compute_points_to_sets): ... here.
1344         (ipa_pta_execute): ... and here.
1345         (compute_may_aliases): Do not re-compute points-to info
1346         locally if IPA info is available.
1347         (ipa_escaped_pt): New global var.
1348         (ipa_pta_execute): Properly implement IPA PTA.
1349         * tree-into-ssa.c (dump_decl_set): Support dumping
1350         decls not in referenced-vars.
1351         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1352         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1353         (dump_points_to_solution): Likewise.
1354         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1355         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1356         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1357         (copy_decl_to_var): Copy DECL_PT_UID.
1358         (copy_result_decl_to_var): Likewise.
1359         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1360         (copy_node_stat): Copy it.
1361         * tree.h (DECL_PT_UID): New macro.
1362         (SET_DECL_PT_UID): Likewise.
1363         (DECL_PT_UID_SET_P): Likewise.
1364         (struct tree_decl_minimal): Add pt_uid member.
1365         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1366         (pt_solution_empty_p): Declare.
1367         (pt_solution_set): Adjust.
1368         (ipa_escaped_pt): Declare.
1369         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1370         * gimple-pretty-print.c (pp_points_to_solution): New function.
1371         (dump_gimple_call): Dump call clobber/use information.
1372         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1373         * tree-pass.h (TDF_ALIAS): New dump option.
1374         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1375         * doc/invoke.texi (-fipa-pta): Update documentation.
1376
1377 2010-04-15  Richard Guenther  <rguenther@suse.de>
1378
1379         * Makefile.in (OBJS-common): Add gimple-fold.o.
1380         (gimple-fold.o): New rule.
1381         * tree.h (maybe_fold_offset_to_reference,
1382         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1383         prototypes ...
1384         * gimple.h: ... here.
1385         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1386         may_propagate_address_into_dereference): Move prototypes ...
1387         * gimple.h: ... here.
1388         * tree-ssa-ccp.c (get_symbol_constant_value,
1389         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1390         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1391         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1392         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1393         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1394         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1395         gimplify_and_update_call_from_tree): Move ...
1396         * gimple-fold.c: ... here.  New file.
1397         (ccp_fold_builtin): Rename to ...
1398         (gimple_fold_builtin): ... this.
1399         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1400
1401 2010-04-15  Richard Guenther  <rguenther@suse.de>
1402
1403         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1404         fit_double_type, force_fit_type_double, add_double_with_sign,
1405         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1406         lrotate_double, rrotate_double, div_and_round_double): Move ...
1407         * double-int.c: ... here.
1408         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1409         add_double, neg_double, mul_double_with_sign, mul_double,
1410         lshift_double, rshift_double, lrotate_double, rrotate_double,
1411         div_and_round_double): Move prototypes ...
1412         * double-int.h: ... here.
1413
1414 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1415
1416         PR target/43742
1417         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1418         matching constraints to ensure inputs match the output.
1419
1420 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1421
1422         PR target/43742
1423         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1424         in an input-only operand.
1425
1426 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1427
1428         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1429         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1430         (double_int_negative_p): Convert to static inline function.
1431         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1432         (double_int_negative_p): Remove.
1433         * tree.h (lshift_double, rshift_double):
1434         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1435         * fold-const.c (fold_convert_const_int_from_real,
1436         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1437         (lshift_double): Change type of arith argument to bool.
1438         (rshift_double): Change type of arith argument to bool. Correct
1439         comment.
1440         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1441
1442 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1443
1444         PR target/21803
1445         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1446         at the start and end of the then/else blocks, and omit them from the
1447         conversion.
1448         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1449         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1450         (flow_find_head_matching_sequence): New function.
1451         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1452         * basic-block.h (flow_find_cross_jump,
1453         flow_find_head_matching_sequence): Declare functions.
1454
1455 2010-04-14  Jason Merrill  <jason@redhat.com>
1456
1457         PR c++/36625
1458         * c-common.c (attribute_takes_identifier_p): New fn.
1459         * c-common.h: Declare it.
1460
1461 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1462
1463         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1464         splitter condition.
1465         (*udivmod<mode>4): Ditto.
1466
1467 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1468
1469         * config/i386/i386.md (maxmin_int): Rename code attribute from
1470         maxminiprefix and update all users.
1471         (maxmin_float): Ditto from maxminfprefix.
1472         (logic): Ditto from logicprefix.
1473         (absneg_mnemonic): Ditto from absnegprefix.
1474         * config/i386/mmx.md: Update all users of maxminiprefix,
1475         maxminfprefix and logicprefix for rename.
1476         * config/i386/sse.md: Ditto.
1477         * config/i386/sync.md (sync_<code><mode>): Update for
1478         logicprefix rename.
1479
1480 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1481
1482         PR 42966
1483         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1484         warnings converted to errors.
1485
1486 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1487
1488         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1489         used insn_type variable.
1490         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1491         to avoid set-but-not-used warning.
1492
1493 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1494
1495         * df-core.c (df_ref_debug): Change format string placeholder
1496         from 0x%x to %#x.
1497         * dwarf2asm.c (dw2_asm_output_data_raw,
1498         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1499         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1500         * dwarf2out.c (output_cfi, output_cfi_directive,
1501         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1502         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1503         Ditto.
1504         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1505         * print-rtl.c (print_rtx): Ditto.
1506
1507 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1508
1509         PR middle-end/42694
1510         * builtins.c (expand_builtin_pow_root): New function to expand pow
1511         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1512         series of sqrt and cbrt calls under -ffast-math.
1513         (expand_builtin_pow): Call it.
1514
1515 2010-04-14  Michael Matz  <matz@suse.de>
1516
1517         PR tree-optimization/42963
1518         * tree-cfg.c (touched_switch_bbs): New static variable.
1519         (group_case_labels_stmt): New function broken out from ...
1520         (group_case_labels): ... here, use the above.
1521         (start_recording_case_labels): Allocate touched_switch_bbs.
1522         (end_recording_case_labels): Deallocate it, call
1523         group_case_labels_stmt.
1524         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1525
1526 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1529         from insn template.
1530
1531 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1532
1533         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1534
1535 2010-04-13  Jan Hubicka  <jh@suse.cz>
1536
1537         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1538         of optimized out static functions.
1539         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1540         cost computation.  Also sanity check for overflows.
1541         (update_caller_keys): Update cgraph_edge_badness call; properly
1542         update fibheap and sanity check that it is up to date.
1543         (add_new_edges_to_heap): Update cgraph_edge_badness.
1544         (cgraph_decide_inlining_of_small_function): Likewise;
1545         add sanity checking that badness in heap is up to date;
1546         improve dumping of reason; Update badness of calls to the
1547         offline copy of function currently inlined; dump badness
1548         of functions not inlined because of unit growth limits.
1549
1550 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1551
1552         PR middle-end/32628
1553         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1554         because of sign-extension change when converting to sizetype here...
1555         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1556
1557         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1558         the folding to constants.  Remove redundant final conversion.
1559         (fold_binary) <associate>: Do not associate if the re-association of
1560         constants alone overflows.
1561         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1562         to the end of the list.
1563         (multiple_of_p) <COND_EXPR>: New case.
1564
1565 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1566
1567         * opt-functions.awk (opt_sanitized_name): New.
1568         (opt_enum): New.
1569         * optc-gen.awk: Use it
1570         * opth-gen.awk: Use it.
1571
1572 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1573
1574         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1575         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1576         children.  Call replace_uses_with_default_def_ssa_name to handle
1577         SSA_NAES on lhs.
1578
1579 2010-04-13  Michael Matz  <matz@suse.de>
1580
1581         PR middle-end/43730
1582         * builtins.c (expand_builtin_interclass_mathfn): Also create
1583         a register if the predicate doesn't match.
1584
1585 2010-04-13  Diego Novillo  <dnovillo@google.com>
1586
1587         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1588         * c-pch.c: Include timevar.h.
1589         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1590         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1591         * ggc-common.c: Include timevar.h.
1592         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1593         * timevar.def (TV_PCH_SAVE): Define.
1594         (TV_PCH_CPP_SAVE): Define.
1595         (TV_PCH_PTR_REALLOC): Define.
1596         (TV_PCH_PTR_SORT): Define.
1597         (TV_PCH_RESTORE): Define.
1598         (TV_PCH_CPP_RESTORE): Define.
1599
1600 2010-04-13  Michael Matz  <matz@suse.de>
1601
1602         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1603         into MINUS_EXPRs.
1604         (can_reassociate_p): New function.
1605         (break_up_subtract_bb, reassociate_bb): Use it.
1606
1607 2010-04-13  Richard Guenther  <rguenther@suse.de>
1608
1609         PR bootstrap/43737
1610         * builtins.c (c_readstr): Fix assert.
1611
1612 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1613
1614         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1615         when generating cltd insn.
1616
1617         (*ashl<mode>3_1): Remove special handling for register operand 2.
1618         (*ashlsi3_1_zext): Ditto.
1619         (*ashlhi3_1): Ditto.
1620         (*ashlhi3_1_lea): Ditto.
1621         (*ashlqi3_1): Ditto.
1622         (*ashlqi3_1_lea): Ditto.
1623         (*<shiftrt_insn><mode>3_1): Ditto.
1624         (*<shiftrt_insn>si3_1_zext): Ditto.
1625         (*<shiftrt_insn>qi3_1_slp): Ditto.
1626         (*<rotate_insn><mode>3_1): Ditto.
1627         (*<rotate_insn>si3_1_zext): Ditto.
1628         (*<rotate_insn>qi3_1_slp): Ditto.
1629
1630 2010-04-13  Richard Guenther  <rguenther@suse.de>
1631
1632         * tree-ssa-structalias.c (callused_id): Remove.
1633         (call_stmt_vars): New.
1634         (get_call_vi): Likewise.
1635         (lookup_call_use_vi): Likewise.
1636         (lookup_call_clobber_vi): Likewise.
1637         (get_call_use_vi): Likewise.
1638         (get_call_clobber_vi): Likewise.
1639         (make_transitive_closure_constraints): Likewise.
1640         (handle_const_call): Adjust to do per-call call-used handling.
1641         (handle_pure_call): Likewise.
1642         (find_what_var_points_to): Remove general callused handling.
1643         (init_base_vars): Likewise.
1644         (init_alias_vars): Initialize call_stmt_vars.
1645         (compute_points_to_sets): Process call-used and call-clobbered
1646         vars for call statements.
1647         (delete_points_to_sets): Free call_stmt_vars.
1648
1649 2010-04-13  Richard Guenther  <rguenther@suse.de>
1650
1651         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1652         Only add RW dependence for dependence distance zero.
1653         Adjust maximal vectorization factor according to dependences.
1654         Move alignment handling ...
1655         (vect_find_same_alignment_drs): ... here.  New function.
1656         (vect_analyze_data_ref_dependences): Adjust.
1657         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1658         (vect_analyze_data_refs): Adjust minimal vectorization factor
1659         according to data references.
1660         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1661         dependences before determining the vectorization factor.
1662         Analyze alignment after determining the vectorization factor.
1663         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1664         dependences before alignment.
1665         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1666         Adjust prototype.
1667         (vect_analyze_data_refs): Likewise.
1668         (MAX_VECTORIZATION_FACTOR): New define.
1669
1670 2010-04-13  Duncan Sands  <baldrick@free.fr>
1671
1672         * except.h (lang_eh_type_covers): Remove.
1673         * except.c (lang_eh_type_covers): Likewise.
1674
1675 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1676             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1677
1678         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1679         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1680         UNITS_PER_LONG where it is ABI relevant.
1681         (s390_return_addr_rtx): Likewise.
1682         (s390_back_chain_rtx): Likewise.
1683         (s390_frame_area): Likewise.
1684         (s390_frame_info): Likewise.
1685         (s390_initial_elimination_offset): Likewise.
1686         (save_gprs): Likewise.
1687         (s390_emit_prologue): Likewise.
1688         (s390_emit_epilogue): Likewise.
1689         (s390_function_arg_advance): Likewise.
1690         (s390_function_arg): Likewise.
1691         (s390_va_start): Likewise.
1692         (s390_gimplify_va_arg): Likewise.
1693         (s390_function_profiler): Likewise.
1694         (s390_optimize_prologue): Likewise.
1695         (s390_rtx_costs): Likewise.
1696         (s390_secondary_reload): Likewise.
1697         (s390_promote_function_mode): Likewise.
1698         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1699         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1700         registers available.
1701         (s390_unwind_word_mode): New function.
1702         (s390_function_value): Split 64 bit values into register pair if
1703         used as return value.
1704         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1705         function call parameters.  Handle parallels.
1706         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1707         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1708         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1709         (s390_expand_setmem): Remove unused variable src_addr.
1710         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1711         deal with 64 bit registers.
1712         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1713         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1714         (UNITS_PER_LONG): New macro.
1715         * libjava/include/s390-signal.h: Define extended ucontext
1716         structure containing the upper halfs of the 64 bit registers.
1717
1718 2010-04-13  Simon Baldwin  <simonb@google.com>
1719
1720         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1721
1722 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1723
1724         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1725         rvalue on the RHS if the LHS is of a non-renamable type.
1726         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1727
1728 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1729
1730         * gcc.c (cc1_options): Handle -iplugindir before processing
1731         the cc1 spec. Only add -iplugindir once.
1732         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1733         found.
1734         * common.opt (iplugindir): Remove `Separate' property, initialize.
1735         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1736         option.
1737         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1738         (distclean): Remove plugin dir.
1739         * doc/invoke.texi: Document -iplugindir.
1740
1741 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1742
1743         * doc/plugins.texi (Loading Plugins): Document short
1744         -fplugin=foo option.
1745         (Plugin API): Mention default_plugin_dir_name function.
1746
1747         * gcc.c (find_file_spec_function): Add new declaration.
1748         (static_spec_func): Use it for "find-file".
1749         (find_file_spec_function): Add new function.
1750         (cc1_options): Add -iplugindir option if -fplugin* options found.
1751
1752         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1753
1754         * plugin.c (add_new_plugin): Updated comment, and handle short
1755         plugin name.
1756         (default_plugin_dir_name): Added new function.
1757
1758         * common.opt (iplugindir): New option to set the plugin directory.
1759
1760 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1761
1762         * config/i386/i386.md (any_rotate): New code iterator.
1763         (rotate_insn): New code attribute.
1764         (rotate): Ditto.
1765         (SWIM124): New mode iterator.
1766         (<rotate_insn>ti3): New expander.
1767         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1768         any_rotate code iterator.
1769         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1770         using any_rotate code iterator and SWIM124 mode iterator.
1771         (ix86_rotlti3): New insn_and_split pattern.
1772         (ix86_rotrti3): Ditto.
1773         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1774         ix86_rotl{di,ti}3 patterns.
1775         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1776         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1777         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1778         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1779         code iterator and SWI mode iterator.
1780         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1781         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1782         code iterator.
1783         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1784         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1785         (bswap rotatert splitter): Add splitter.
1786         (bswap splitter): Macroize splitter using any_rotate code iterator.
1787         Add insn predicate to split only for TARGET_USE_XCHGB or when
1788         optimizing function for size.
1789
1790 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1791
1792         * config/pa/pa.c (emit_move_sequence): Remove use of
1793         deleted variable flag_argument_noalias.
1794
1795 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1796
1797         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1798         configurations.
1799         Add to unsupported targets list.
1800         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1801         sparc*-sun-solaris2.[567]* from target lists.
1802         * configure: Regenerate.
1803         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1804         removal.
1805         Remove Solaris 7 patch references.
1806         (Specific, sparc-sun-solaris2.7): Removed.
1807         (sparc-sun-solaris2*): Update Solaris 7 example.
1808         (sparc64-*-solaris2*): Likewise.
1809
1810 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1811
1812         * config.build (alpha*-dec-osf4*): Remove.
1813         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1814         of obsolete configurations.
1815         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1816         support.
1817         * config/alpha/t-osf4: Renamed to ...
1818         * config/alpha/t-osf5: ... this.
1819         * config/alpha/osf.h: Renamed to ...
1820         * config/alpha/osf5.h: ... this.
1821         Merged old osf5.h contents.
1822         Update comments.
1823         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1824         (EXTRA_SPECS): Removed.
1825         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1826         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1827         Document that.
1828
1829 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1830
1831         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1832
1833 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1834
1835         PR/43702
1836         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1837         __thiscall convention.
1838
1839 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1840
1841         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1842         orig_base.
1843         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1844
1845 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1846
1847         * function.c (assign_parms_initialize_all): Add unused attribute
1848         to fntype.
1849
1850 2010-04-12  Richard Guenther  <rguenther@suse.de>
1851
1852         * gsstruct.def (GSS_CALL): New.
1853         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1854         * gimple.h: Include tree-ssa-alias.h.
1855         (struct gimple_statement_call): New.
1856         (union gimple_statement_struct_d): Add gimple_call member.
1857         (gimple_call_reset_alias_info): Declare.
1858         (gimple_call_use_set): New function.
1859         (gimple_call_clobber_set): Likewise.
1860         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1861         * gimple.c (gimple_call_reset_alias_info): New function.
1862         (gimple_build_call_1): Call it.
1863         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1864         * tree-inline.c (remap_gimple_stmt): Likewise.
1865         (expand_call_inline): Remove callused handling.
1866         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1867         * tree-dfa.c (dump_variable): Likewise.
1868         * tree-parloops.c (parallelize_loops): Likewise.
1869         * tree-ssa.c (init_tree_ssa): Likewise.
1870         (delete_tree_ssa): Likewise.
1871         * tree-flow-inline.h (is_call_used): Remove.
1872         * tree-flow.h (struct gimple_df): Remove callused member.
1873         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1874         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1875         (ref_maybe_used_by_call_p_1): Simplify.
1876         (call_may_clobber_ref_p_1): Likewise.
1877         * tree-ssa-structalias.c (compute_points_to_sets): Set
1878         the call stmt used and clobbered sets.
1879         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1880         (find_tail_calls): Verify the tail call.
1881
1882 2010-04-12  Richard Guenther  <rguenther@suse.de>
1883
1884         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1885         single-iteration always-inline inlining.
1886         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1887         (cgraph_decide_inlining): Do not handle always-inline specially.
1888         (try_inline): Remove always-inline cycle detection special case.
1889         Do not recurse on always-inlines.
1890         (cgraph_early_inlining): Do not iterate if not optimizing.
1891         (cgraph_gate_early_inlining): remove.
1892         (pass_early_inline): Run unconditionally.
1893         (gate_cgraph_decide_inlining): New function.
1894         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1895         not inlining or optimizing.
1896         (cgraph_decide_inlining_of_small_functions): Also consider
1897         always-inline functions.
1898         (cgraph_default_inline_p): Return true for nodes which should
1899         disregard inline limits.
1900         (estimate_function_body_sizes): Assume zero size and time for
1901         nodes which are marked as disregarding inline limits.
1902         (cgraph_decide_recursive_inlining): Do not perform recursive
1903         inlining on always-inline nodes.
1904
1905 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1906
1907         PR bootstrap/43699
1908         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1909         for exprs satisfying handled_component_p.
1910
1911 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1912
1913         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1914         non-constant aggregate elements.
1915
1916         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1917         is a real initialization.
1918
1919 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1920
1921         PR c/36774
1922         * c-decl.c (start_function): Move forward check for nested function.
1923
1924 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1925
1926         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1927         * config/sh/sh.c: Include reload.h.
1928         (sh_legitimize_reload_address): New.
1929         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1930         sh_legitimize_reload_address.
1931
1932 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1933
1934         * config/sh/sh.md (*movqi_pop): New insn pattern.
1935         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1936
1937 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * config/i386/i386.md (any_shiftrt): New code iterator.
1940         (shiftrt_insn): New code attribute.
1941         (shiftrt): Ditto.
1942         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1943         using any_shiftrt code iterator.
1944         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1945         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1946         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1947         pattern from corresponding peephole2 patterns.
1948         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1949         using any_shiftrt code iterator.
1950         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1951         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1952         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1953         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1954         *{ashr,lshr}<mode>3_cmp_zext.
1955         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1956
1957 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1958
1959         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1960         scratch register.
1961         (*lshr<mode>3_cconly): Ditto.
1962
1963 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1966         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1967         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1968         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1969         DWI mode iterator.
1970         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1971         from corresponding peephole2 patterns.
1972         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1973         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1974         and *lshrdi3_1_rex64 using SWI mode iterator.
1975         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1976         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1977         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1978         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1979         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1980         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1981         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1982         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1983         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1984         SWI mode iterator.
1985
1986 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1987
1988         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1989         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1990         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1991         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1992         DWI mode iterator.
1993         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1994         from corresponding peephole2 patterns.
1995         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1996         (ashrsi3_cvt): Rename from ashrsi3_31.
1997         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1998         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1999         and x86_64_shift_adj_3 using SWI48 mode iterator.
2000         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2001         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2002         and *ashrdi3_1_rex64 using SWI mode iterator.
2003         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2004         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2005         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2006         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2007         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2008         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2009         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2010         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2011         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2012         SWI mode iterator.
2013         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2014         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2015         x86_shift<mode>_adj_3 expanders.
2016
2017 2010-04-10  Wei Guozhi  <carrot@google.com>
2018
2019         PR target/42601
2020         * config/arm/arm.c (arm_pic_static_addr): New function.
2021         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2022         a static symbol.
2023         (arm_output_addr_const_extra): Output expression for new pattern.
2024         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2025
2026 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2027
2028         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2029         not enabled.
2030
2031         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2032         * web.c: Include "insn-config.h" and "recog.h".
2033         (union_match_dups): New function.
2034         (web_main): Call it.
2035         (union_defs): Don't try to recognize match_dups.
2036
2037         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2038         if doing so would replace the entire pattern.
2039
2040 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         PR target/43707
2043         PR target/43709
2044         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2045         and splitter pattern.  Change splitter operand 1 predicate to
2046         nonmemory_operand.
2047
2048 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2049
2050         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2051         lattices are addresses of CONST_DECLs with the same initial value.
2052         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2053         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2054
2055 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2056             Bernd Schmidt  <bernds@codesourcery.com>
2057
2058         * loop-invariant.c (replace_uses): New static function.
2059         (move_invariant_reg): Use it to ensure we can replace the uses.
2060
2061 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2062
2063         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2064         function template.
2065         (picochip_override_options): Enable section anchors only above -O1.
2066         (picochip_reorg): Fixed a couple of build warnings.
2067
2068 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2069
2070         * configure.ac (plugin -rdynamic test): Log result.
2071         * configure: Regenerate.
2072         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2073         (RDYNAMIC_SPEC): Define.
2074         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2075
2076 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2077
2078         * configure.ac: Determine Sun ld version numbers.
2079         (comdat_group): Restrict GNU ld version checks to gld.
2080         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2081         (enable_comdat): Support --enable-comdat.
2082         * configure: Regenerate.
2083         * doc/install.texi (Configuration): Document --enable-comdat.
2084
2085 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2086
2087         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2088         * config/sol2-gld.h: ... here.
2089         * config.gcc (sparc*-*-solaris2*): Reflect this.
2090         (i[34567]86-*-solaris2*): Use it.
2091
2092 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2093
2094         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2095         setup_clocks_p.
2096         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2097
2098 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2099
2100         PR 42965
2101         * diagnostic.c (diagnostic_initialize): Initialize
2102         some_warnings_are_errors.
2103         (diagnostic_finish): New.
2104         (diagnostic_action_after_output): Call it before exiting.
2105         (diagnostic_report_diagnostic): Do not print message here. Set
2106         some_warnings_are_errors.
2107         * diagnostic.h (diagnostic_context): Delete
2108         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2109         (diagnostic_finish): Declare.
2110         * toplev.c (toplev_main): Call it before exit.
2111
2112 2010-04-09  Jason Merrill  <jason@redhat.com>
2113
2114         PR c++/42623
2115         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2116         for incomplete type.
2117
2118         PR c++/41788
2119         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2120         based on a warning flag.
2121
2122 2010-04-09  Richard Guenther  <rguenther@suse.de>
2123
2124         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2125
2126 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2127
2128         PR bootstrap/43684
2129         * varasm.c (default_assemble_visibility): Wrap vars that are
2130         set, but unused, by targets without GAS.
2131         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2132         Remove set, but unused, vars.
2133         (rs6000_legitimize_tls_address): Likewise.
2134         (altivec_expand_dst_builtin): Likewise.
2135         * config/darwin.c (machopic_classify_symbol): Likewise.
2136         (machopic_indirection_name): Likewise.
2137
2138 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         * config/i386/i386.md (DWI): New mode iterator.
2141         (S): New mode attribute.
2142         (shift_operand): Ditto.
2143         (shift_immediate_operand): Ditto.
2144         (ashl_input_operand): Ditto.
2145         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2146         using SDWIM mode iterator.
2147         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2148         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2149         DWI mode iterator.
2150         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2151         from corresponding peephole2 patterns.
2152         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2153         and x86_64_shift_adj_1 using SWI48 mode iterator.
2154         (x86_shift<mode>_adj_2): Ditto.
2155         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2156         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2157         using SWI48 mode iterator.
2158         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2159         *ashldi3_cmp_rex64 using SWI mode iterator.
2160         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2161         *ashldi3_cconly_rex64 using SWI mode iterator.
2162         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2163         x86_shift<mode>_adj_{1,2}.
2164         (ix86_split_ashr): Ditto.
2165         (ix86_split_lshr): Ditto.
2166
2167 2010-04-09  Richard Guenther  <rguenther@suse.de>
2168
2169         * target.h (builtin_conversion): Pass in input and output types.
2170         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2171         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2172         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2173         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2174
2175         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2176         Handle AVX modes.
2177         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2178
2179 2010-04-09  Richard Guenther  <rguenther@suse.de>
2180
2181         PR target/43152
2182         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2183
2184 2010-04-09  Richard Guenther  <rguenther@suse.de>
2185
2186         * tree-vectorizer.h (struct _stmt_vec_info): Document
2187         that vectype is the type of the LHS.
2188         (supportable_widening_operation, supportable_narrowing_operation):
2189         Get both input and output vector types as arguments.
2190         (vect_is_simple_use_1): Declare.
2191         (get_same_sized_vectype): Likewise.
2192         * tree-vect-loop.c (vect_determine_vectorization_factor):
2193         Set STMT_VINFO_VECTYPE to the vector type of the def.
2194         (vectorizable_reduction): Adjust.
2195         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2196         Adjust.  Specify the output vector type.
2197         (vect_pattern_recog_1): Adjust.
2198         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2199         (vectorizable_call): Adjust.
2200         (vectorizable_conversion): Likewise.
2201         (vectorizable_operation): Likewise.
2202         (vectorizable_type_demotion): Likewise.
2203         (vectorizable_type_promotion): Likewise.
2204         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2205         the def.
2206         (vect_is_simple_use_1): New function.
2207         (supportable_widening_operation): Get both input and output
2208         vector types.
2209         (supportable_narrowing_operation): Likewise.
2210         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2211
2212 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2213
2214         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2215         __thiscall and _thiscall as predefined macros.
2216         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2217         thiscall attribute handling.
2218         (ix86_comp_type_attributes): Likewise.
2219         (ix86_function_regparm): Likewise.
2220         (ix86_return_pops_args): Likewise.
2221         (init_cumulative_args): Likewise.
2222         (find_drap_reg): Likewise.
2223         (ix86_static_chain): Likewise.
2224         (x86_this_parameter): Likewise.
2225         (x86_output_mi_thunk): Likewise.
2226         (ix86_attribute_table): Add description for thiscall attribute.
2227         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2228         * doc/extend.texi: Add documentation for thiscall.
2229
2230 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2231
2232         PR c++/28584
2233         * c.opt (Wint-to-pointer-cast): Available in C++.
2234         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2235
2236 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2237
2238         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2239         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2240         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2241         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2242         function type instead.  Reorder and simplify checks.
2243
2244         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2245
2246 2010-04-08  Jing Yu  <jingyu@google.com>
2247             Zdenek Dvorak  <ook@ucw.cz>
2248
2249         PR tree-optimization/42720
2250         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2251         loop unswitch conditions here from ...
2252         (tree_unswitch_single_loop): ... here.
2253
2254 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2255
2256         * tree-if-conv.c: Fix comments and simplify logic.
2257
2258 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2261         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2262         (main_tree_if_conversion): Update call to tree_if_conversion.
2263
2264 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2265
2266         PR 42485
2267         * doc/invoke.texi (-b,-V): Delete.
2268         * doc/tm.texi: Do not mention -b.
2269         * gcc.c (display_help): Delete -b and -V.
2270         (process_command): Delete -b and -V.
2271         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2272
2273 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2274             Wolfgang Gellerich  <gellerich@de.ibm.com>
2275
2276         Implement target hook for loop unrolling
2277         * target.h (loop_unroll_adjust): Add a new target hook function.
2278         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2279         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2280         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2281         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2282         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2283         target hook.
2284         (decide_unroll_stupid): Likewise.
2285
2286 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2287
2288         PR target/43643
2289         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2290
2291 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2292
2293         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2294         (Specific, *-*-solaris2*): Likewise.
2295         Don't prefer Sun as over GNU as.
2296
2297 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2298
2299         * config/s390/s390.c (override_options): Adjust the z10
2300           defaults for max-unroll-times, max-completely-peeled-insns
2301           and max-completely-peel-times.
2302
2303 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2304
2305         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2306         instructions for z10.
2307         (s390_expand_setmem): Likewise.
2308         (s390_expand_cmpmem): Likewise.
2309
2310 2010-04-08  Richard Guenther  <rguenther@suse.de>
2311
2312         PR tree-optimization/43679
2313         * tree-ssa-pre.c (eliminate): Only propagate copies.
2314
2315 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2316
2317         PR bootstrap/43681
2318         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2319         set but not used variable warning.
2320
2321 2010-04-08  Wei Guozhi  <carrot@google.com>
2322
2323         PR target/41653
2324         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2325         (arm_size_rtx_costs): Call the new function when optimized for size.
2326
2327 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2328
2329         PR debug/43670
2330         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2331         op0 is not a MEM, just return NULL instead of assertion
2332         failure.
2333         (discover_nonconstant_array_refs): Don't walk debug stmts.
2334
2335 2010-04-08  Doug Kwan  <dougkwan@google.com>
2336
2337         * configure.ac: Recognize gold and do not use its version number
2338         to test ld features.
2339         * configure: Regenerate.
2340
2341 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2342
2343         PR middle-end/40815
2344         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2345         (negate_value): Move code to push elements to broken_up_substracts ...
2346         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2347         negative pair to plus_negates.
2348         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2349
2350 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2351
2352         * doc/install.texi (Configuration): Move description of
2353         --enable-lto, --with-libelf*, --enable-gold from Java section to
2354         general section.
2355
2356         * doc/generic.texi (Working with declarations)
2357         (Function Properties, C and C++ Trees): Fix typos.
2358         * doc/sourcebuild.texi (Top Level): Likewise.
2359
2360 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2361
2362         PR c/18624
2363         * tree.h (DECL_READ_P): Define.
2364         (struct tree_decl_common): Add decl_read_flag.
2365         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2366         a set but not used warning.
2367         (merge_decls): Merge DECL_READ_P flag.
2368         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2369         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2370         * c-common.c (handle_used_attribute, handle_unused_attribute):
2371         Likewise.
2372         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2373         New prototypes.
2374         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2375         New functions.
2376         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2377         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2378         c_parser_binary_expression, c_parser_cast_expression,
2379         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2380         Call default_function_array_read_conversion instead of
2381         default_function_array_conversion where needed.
2382         (c_parser_unary_expression, c_parser_conditional_expression,
2383         c_parser_postfix_expression_after_primary, c_parser_initelt):
2384         Likewise.  Call mark_exp_read where needed.
2385         (c_parser_statement_after_labels, c_parser_asm_operands,
2386         c_parser_typeof_specifier, c_parser_sizeof_expression,
2387         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2388         where needed.
2389         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2390         New.
2391         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2392         (warn_unused_but_set_parameter): Default to warn_unused
2393         && extra_warnings.
2394         * doc/invoke.texi: Document -Wunused-but-set-variable and
2395         -Wunused-but-set-parameter.
2396
2397         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2398         used count variable.
2399         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2400         when operandN variables aren't used in the body of the expander
2401         or splitter.
2402         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2403         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2404         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2405         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2406         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2407         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2408         * tree.c (PROCESS_ARG): Likewise.
2409
2410 2010-04-07  Simon Baldwin  <simonb@google.com>
2411
2412         * diagnostic.h (diagnostic_override_option_index): New macro to
2413         set a diagnostic's option_index.
2414         * c-tree.h (c_cpp_error): Add warning reason argument.
2415         * opts.c (_warning_as_error_callback): New.
2416         (register_warning_as_error_callback): Store callback for
2417         warnings enabled via enable_warning_as_error.
2418         (enable_warning_as_error): Call callback, minor code tidy.
2419         * opts.h (register_warning_as_error_callback): Declare.
2420         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2421         response to -Werror=.
2422         (c_common_init_options): Register warning_as_error_callback in opts.c.
2423         * common.opt: Add -Wno-cpp option.
2424         * c-common.c (struct reason_option_codes_t): Map cpp warning
2425         reason codes to gcc option indexes.
2426         * (c_option_controlling_cpp_error): New function, lookup the gcc
2427         option index for a cpp warning reason code.
2428         * (c_cpp_error): Add warning reason argument, call
2429         c_option_controlling_cpp_error for diagnostic_override_option_index.
2430         * doc/invoke.texi: Document -Wno-cpp.
2431
2432 2010-04-07  Richard Guenther  <rguenther@suse.de>
2433
2434         * ipa-reference.c (mark_load): Use get_base_address.
2435         (mark_store): Likewise.
2436
2437         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2438         inserting GIMPLE_NOPs into the IL.
2439         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2440         Explicitly strip handled components and indirect references.
2441
2442         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2443         folding address expressions.
2444         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2445         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2446         operand_equal_p to compare decls.
2447         (ptr_deref_may_alias_decl_p): Likewise.
2448         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2449         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2450         Handle reversed comparison ops.
2451         * tree-sra.c (asm_visit_addr): Use get_base_address.
2452         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2453         * ipa-reference.c (mark_address): Use get_base_address.
2454
2455 2010-04-07  Richard Guenther  <rguenther@suse.de>
2456
2457         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2458         Propagate constants everywhere.
2459
2460 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR debug/43516
2463         * tree.c (MAX_INT_CACHED_PREC): Define.
2464         (nonstandard_integer_type_cache): New array.
2465         (build_nonstandard_integer_type): Cache results for precision
2466         <= MAX_INT_CACHED_PREC.
2467
2468 2010-04-07  Richard Guenther  <rguenther@suse.de>
2469
2470         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2471         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2472         * common.opt: Likewise.
2473         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2474         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2475         (nonoverlapping_memrefs_p): Likewise.
2476         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2477         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2478         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2479         OPT_fargument_noalias_global for backward compatibility.
2480
2481 2010-04-07  Richard Guenther  <rguenther@suse.de>
2482
2483         PR tree-optimization/43270
2484         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2485         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2486         * tree-ssa-pre.c (phi_translate_1): Adjust.
2487         (fully_constant_expression): Split out vn_reference handling to ...
2488         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2489         Fold reads from constant strings.
2490         (vn_reference_lookup): Handle fully constant references.
2491         (vn_reference_lookup_pieces): Likewise.
2492         * Makefile.in (expmed.o-warn): Add -Wno-error.
2493
2494 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2495
2496         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2497
2498 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2499
2500         PR driver/41594
2501         * gcc.c: Add -static-libstdc++ to list of recognized options.
2502
2503 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2504
2505         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2506
2507 2010-04-07  Richard Guenther  <rguenther@suse.de>
2508
2509         PR middle-end/42617
2510         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2511         bases build simple mem attributes to retain points-to information.
2512
2513 2010-04-07  Richard Guenther  <rguenther@suse.de>
2514
2515         PR middle-end/42617
2516         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2517         preserve points-to related information.
2518
2519 2010-04-07  Richard Guenther  <rguenther@suse.de>
2520
2521         PR middle-end/42617
2522         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2523         discard plain indirect references.
2524         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2525         * tree.c (tree_nop_conversion): Likewise.
2526
2527 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2528
2529         PR debug/43628
2530         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2531
2532 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2533
2534         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2535         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2536
2537 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2538
2539         * tree-if-conv.c: Fix indentation and comments.
2540
2541 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2542
2543         * tree-if-conv.c: Sort static functions in topological order.
2544
2545 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2546
2547         * tree-if-conv.c: Fix indentation and comments.
2548
2549 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2550
2551         PR middle-end/43519
2552         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2553         lang_hooks.types.type_for_size instead of
2554         build_nonstandard_integer_type.
2555         When converting an unsigned type to signed, double its precision.
2556         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2557         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2558         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2559         use lb <= ub.
2560
2561 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         PR middle-end/43519
2564         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2565         POINTER_PLUS_EXPR for pointer types.
2566
2567 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2568
2569         PR middle-end/43519
2570         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2571         * graphite-clast-to-gimple.c: Include langhooks.h.
2572         (max_signed_precision_type): New.
2573         (max_precision_type): Takes two types as arguments.
2574         (precision_for_value): New.
2575         (precision_for_interval): New.
2576         (gcc_type_for_interval): New.
2577         (gcc_type_for_value): New.
2578         (gcc_type_for_clast_term): New.
2579         (gcc_type_for_clast_red): New.
2580         (gcc_type_for_clast_bin): New.
2581         (gcc_type_for_clast_expr): Split up into several functions.
2582         (gcc_type_for_clast_eq): Rewritten.
2583         (compute_bounds_for_level): New.
2584         (compute_type_for_level_1): New.
2585         (compute_type_for_level): New.
2586         (gcc_type_for_cloog_iv): Removed.
2587         (gcc_type_for_iv_of_clast_loop): Rewritten.
2588         (graphite_create_new_loop): Compute the lower and upper bound types
2589         with gcc_type_for_clast_expr.
2590         (graphite_create_new_loop_guard): Same.
2591         (find_cloog_iv_in_expr): Removed.
2592         (compute_cloog_iv_types_1): Removed.
2593         (compute_cloog_iv_types): Removed.
2594         (gloog): Do not call compute_cloog_iv_types.
2595         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2596         GBB_CLOOG_IV_TYPES.
2597         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2598         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2599         (GBB_CLOOG_IV_TYPES): Removed.
2600
2601 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2604         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2605         (detect_commutative_reduction): Same.
2606
2607 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2608
2609         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2610         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2611         argument.
2612         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2613         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2614         (rewrite_commutative_reductions_out_of_ssa): Same.
2615         * passes.c (execute_function_todo): Call verify_ssa for every pass
2616         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2617         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2618         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2619         with an extra argument.
2620         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2621         verify_ssa only when the extra argument is true.
2622         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2623         with an extra argument.
2624         (tree_transform_and_unroll_loop): Same.
2625
2626 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2627
2628         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2629         for all the passes of the LNO having LOOP_CLOSED_SSA.
2630         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2631         * tree-loop-distribution.c (pass_loop_distribution): Same.
2632         * tree-pass.h (TODO_verify_loops): Removed.
2633         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2634         (pass_lim): Same.
2635         (pass_tree_unswitch): Same.
2636         (pass_predcom): Same.
2637         (pass_vectorize): Same.
2638         (pass_linear_transform): Same.
2639         (pass_graphite_transforms): Same.
2640         (pass_iv_canon): Same.
2641         (pass_complete_unroll): Same.
2642         (pass_complete_unrolli): Same.
2643         (pass_parallelize_loops): Same.
2644         (pass_loop_prefetch): Same.
2645         (pass_iv_optimize): Same.
2646
2647 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2648
2649         PR middle-end/32824
2650         * passes.c (init_optimization_passes): Move pass_lim before
2651         pass_copy_prop and pass_dce_loop.
2652
2653 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2654
2655         PR target/43667
2656         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2657         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2658         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2659         MULTI_* defines for 4 argument vpermil2p* builtins.
2660
2661 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2662
2663         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2664         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2665         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2666         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2667         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2668         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2669         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2670         Use x86_maybe_negate_const_int to output insn mnemonic.
2671         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2672         check from instruction predicate.  Update comments.
2673         * config/i386/sync.md (sync_add<mode>): Use
2674         x86_maybe_negate_const_int to output insn mnemonic.
2675
2676 2010-04-06  Jan Hubicka  <jh@suse.cz>
2677
2678         PR tree-optimization/42906
2679         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2680         IGNORE_SELF argument.  Set visited_control_parents for fully
2681         processed BBs.
2682         (find_obviously_necessary_stmts): Update call of
2683         mark_control_dependent_edges_necessary.
2684         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2685
2686 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2687
2688         * config/i386/i386.md: Remove comment about 'e' and 'E'
2689         operand modifier.
2690
2691 2010-04-06  Richard Guenther  <rguenther@suse.de>
2692
2693         PR tree-optimization/43627
2694         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2695         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2696         not varying.
2697
2698 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2699
2700         * BASE-VER: Change to 4.6.0.
2701
2702         PR target/43638
2703         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2704         handling.
2705
2706 2010-04-06  Richard Guenther  <rguenther@suse.de>
2707
2708         PR middle-end/43661
2709         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2710
2711 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2712
2713         * doc/invoke.texi (Optimize Options): Document that LTO
2714         won't remove object access purely due to incompatible
2715         declarations.
2716
2717 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2718
2719         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2720         Initialize variable.
2721
2722 2010-04-03  Richard Guenther  <rguenther@suse.de>
2723
2724         PR middle-end/42509
2725         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2726         require a non-NULL MEM_OFFSET.
2727
2728 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2729
2730         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2731         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2732         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2733         config/alpha/predicates.md, config/arm/arm.md,
2734         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2735         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2736         config/darwin9.h, config/darwin.c, config/darwin.h,
2737         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2738         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2739         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2740         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2741         config/mips/mips.md, config/mn10300/mn10300.c,
2742         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2743         config/rs6000/aix.h, config/rs6000/dfp.md,
2744         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2745         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2746         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2747         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2748         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2749         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2750         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2751         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2752         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2753         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2754         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2755         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2756         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2757         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2758         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2759         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2760         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2761         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2762         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2763         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2764         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2765         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2766         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2767         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2768         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2769         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2770         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2771         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2772         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2773         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2774         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2775         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2776         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2777         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2778         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2779         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2780
2781 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2782
2783         PR other/43620
2784         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2785         * aclocal.m4: Regenerate.
2786
2787 2010-04-02  Richard Guenther  <rguenther@suse.de>
2788
2789         PR tree-optimization/43629
2790         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2791         if we have seen a constant value.
2792
2793 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2794
2795         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2796
2797 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2798
2799         PR target/43469
2800         * arm.c (legitimize_tls_address): Adjust call to
2801         gen_tls_load_dot_plus_four.
2802         (arm_note_pic_base): New function.
2803         (arm_cannot_copy_insn_p): Use it.
2804         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2805         constraint.
2806
2807 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2808
2809         PR bootstrap/43531
2810
2811         Revert:
2812         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2813
2814         * Makefile.in ($(out_object_file)): Depend on
2815         gt-$(basename $(notdir $(out_file))).h.
2816
2817 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2818
2819         * config.gcc (lm32-*-rtems*): Add t-lm32.
2820
2821 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2822
2823         * config.gcc: Add lm32-*-rtems*.
2824         * config/lm32/rtems.h: New file.
2825
2826 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2827
2828         PR target/42609
2829         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2830
2831 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2832
2833         * dwarf2out.c (output_compilation_unit_header): For
2834         -gdwarf-4 use version 4 instead of version 3.
2835         (output_line_info): For version 4 and above emit additional
2836         maximum ops per insn header field.
2837         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2838
2839         * dwarf2out.c (is_c_family, is_java): Remove.
2840         (lower_bound_default): New function.
2841         (add_bound_info, gen_descr_array_type_die): Use it.
2842
2843 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2844
2845         PR debug/43325
2846         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2847         re-declaration when it happens in a function.
2848
2849 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2850
2851         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2852         (cgraph_remove_function_insertion_hook): Same.
2853         (cgraph_call_function_insertion_hooks): Same.
2854
2855 2010-04-01  Richard Guenther  <rguenther@suse.de>
2856
2857         PR middle-end/43614
2858         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2859         and TREE_THIS_VOLATILE.
2860         (copy_ref_info): Likewise.
2861         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2862         * tree.c (build6_stat): Ignore side-effects of all but arg5
2863         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2864         TARGET_MEM_REF.
2865
2866 2010-04-01  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/43607
2869         * ipa-type-escape.c (check_call): Do not access non-existing
2870         arguments.
2871
2872 2010-04-01  Richard Guenther  <rguenther@suse.de>
2873
2874         PR middle-end/43602
2875         Revert
2876         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2877                     Jack Howarth <howarth@bromo.med.uc.edu>
2878
2879         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2880         variables TLS.
2881
2882 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2883
2884         * doc/install.texi (Prerequisites): Document libelf usability on
2885         IRIX 5/6 and Solaris 2.
2886         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2887         Update GNU as, GNU ld requirements.
2888         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2889         Document Sun Studio compiler download.
2890         Update and simplify as, ld recommendations.
2891         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2892
2893 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2894
2895         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2896         with_tune_32 to pentium4.
2897
2898 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2899
2900         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2901
2902 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2903
2904         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2905         obsoletion, removal.
2906         Update IDO URL.
2907         Document GNU as requirement.
2908         Update configure requirements.
2909         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2910         Recomment IRIX 6.5.18+.
2911         Document IDF/IDL requirement.
2912         Document GNU as requirement.
2913         Document GNU ld bootstrap failure.
2914         Remove freeware.sgi.com reference.
2915
2916 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2917
2918         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2919         UNIX V4.0, V5.0 obsoletion, removal.
2920         Remove --with-gc=simple reference.
2921         Update VM requirements during bootstrap.
2922         Remove -oldas bootstrap description.
2923         Update binutils reference.
2924         Remove comparison failure note.
2925
2926 2010-03-31  Richard Guenther  <rguenther@suse.de>
2927             Zdenek Dvorak  <ook@ucw.cz>
2928             Sebastian Pop  <sebastian.pop@amd.com>
2929
2930         PR middle-end/43464
2931         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2932         with multiple arguments.
2933         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2934
2935 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * graphite-dependences.c (print_pddr): Call print_pdr with an
2938         extra argument.
2939         * graphite-poly.c (debug_pdr): Add an extra argument for the
2940         verbosity level.
2941         (print_pdr): Same.
2942         (print_pbb_domain): Same.
2943         (print_pbb): Same.
2944         (print_scop_context): Same.
2945         (print_scop): Same.
2946         (print_cloog): Same.
2947         (debug_pbb_domain): Same.
2948         (debug_pbb): Same.
2949         (print_pdrs): Same.
2950         (debug_pdrs): Same.
2951         (debug_scop_context): Same.
2952         (debug_scop): Same.
2953         (debug_cloog): Same.
2954         (print_scop_params): Same.
2955         (debug_scop_params): Same.
2956         (print_iteration_domain): Same.
2957         (print_iteration_domains): Same.
2958         (debug_iteration_domain): Same.
2959         (debug_iteration_domains): Same.
2960         (print_scattering_function): Same.
2961         (print_scattering_functions): Same.
2962         (debug_scattering_function): Same.
2963         (debug_scattering_functions): Same.
2964         * graphite-poly.h (debug_pdr): Update declaration.
2965         (print_pdr): Same.
2966         (print_pbb_domain): Same.
2967         (print_pbb): Same.
2968         (print_scop_context): Same.
2969         (print_scop): Same.
2970         (print_cloog): Same.
2971         (debug_pbb_domain): Same.
2972         (debug_pbb): Same.
2973         (print_pdrs): Same.
2974         (debug_pdrs): Same.
2975         (debug_scop_context): Same.
2976         (debug_scop): Same.
2977         (debug_cloog): Same.
2978         (print_scop_params): Same.
2979         (debug_scop_params): Same.
2980         (print_iteration_domain): Same.
2981         (print_iteration_domains): Same.
2982         (debug_iteration_domain): Same.
2983         (debug_iteration_domains): Same.
2984         (print_scattering_function): Same.
2985         (print_scattering_functions): Same.
2986         (debug_scattering_function): Same.
2987         (debug_scattering_functions): Same.
2988
2989 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * graphite-poly.c (print_scattering_function_1): New.
2992         (print_scattering_function): Call it.
2993         (print_scop_params): Remove spaces at the end of lines.
2994         (print_cloog): New.
2995         (debug_cloog): New.
2996         * graphite-poly.h (print_cloog): Declared.
2997         (debug_cloog): Declared.
2998
2999 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3002         in loop->header.
3003         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3004         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3005         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3006         to switch between adding the IV bump in loop->latch or in loop->header.
3007
3008 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3009
3010         * graphite-poly.c (print_scattering_function): Pretty print following
3011         the scoplib format.
3012         (print_pdr): Same.
3013         (print_pbb_domain): Same.
3014         (dump_gbb_cases): Same.
3015         (dump_gbb_conditions): Same.
3016         (print_pdrs): Same.
3017         (print_pbb): Same.
3018         (print_scop_params): Same.
3019         (print_scop_context): Same.
3020         (print_scop): Same.
3021         (print_pbb_body): New.
3022         (lst_indent_to): New.
3023         (print_lst): Start new lines with a #.
3024         * graphite-poly.h (pbb_bb): New.
3025         (pbb_index): Use pbb_bb.
3026         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3027         disjuncts.
3028         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3029
3030 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3031
3032         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3033         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3034         and 0 instead of 1 for dw_val_class_flag.
3035         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3036         dw_val_class_range_list, dw_val_class_loc_list,
3037         dw_val_class_lineptr and dw_val_class_macptr, use
3038         DW_FORM_flag_present for dw_val_class_flag and
3039         DW_FORM_exprloc for dw_val_class_loc.
3040         (output_die): For -gdwarf-4 print dw_val_class_loc
3041         size as uleb128 instead of 1 or 2 bytes and don't print
3042         anything for dw_val_class_flag.
3043
3044         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3045         instead of cselib_lookup following by tweaking locs->setting_insn.
3046
3047         PR bootstrap/43596
3048         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3049         even before returning from label, setjmp call or volatile asm
3050         handling.
3051
3052 2010-03-31  Richard Guenther  <rguenther@suse.de>
3053
3054         PR middle-end/43600
3055         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3056         temporary data on stack.
3057
3058 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3059
3060         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3061         (PUSHSECTION_ASM_OP): Remove.
3062         (POPSECTION_ASM_OP): Remove.
3063         (PUSHSECTION_FORMAT): Remove.
3064         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3065         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3066         * config/sol2.c (solaris_output_init_fini): Use it.
3067
3068 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3069
3070         PR 43574
3071         * opt-functions.awk (var_type_struct): Use signed char type
3072         for simple variables.
3073
3074 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3075
3076         * config/sol2.c: Include output.h.
3077         (solaris_assemble_visibility): New function.
3078         * config/t-sol2 (sol2.o): Add output.h dependency.
3079         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3080         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3081         Redefine.
3082
3083 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3084
3085         PR target/43580
3086         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3087         V2SImode or XFmode on PRE_DEC.
3088
3089         PR debug/43557
3090         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3091         BLKmode.
3092
3093 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3094
3095         PR 43562
3096         * reload.h (caller_save_initialized_p): Declare.
3097         * toplev.c (backend_init_target): Don't call
3098         init_caller_save but set caller_save_initialized_p to false.
3099         * caller-save.c (caller_save_initialized_p): Define.
3100         (init_caller_save): Check caller_save_initialized_p.
3101         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3102
3103 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3104
3105         PR target/39048
3106         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3107         and soft-fp/t-softfp to tmake_file.
3108         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3109         (LIBGCC2_TF_CEXT): Define.
3110         (TF_SIZE): Define.
3111
3112 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3113
3114         PR debug/42977
3115         * cselib.c (n_useless_values): Document handling of debug locs.
3116         (n_useless_debug_values, n_debug_values): New variables.
3117         (new_elt_loc_list): Don't add to debug values, keep count.
3118         (promote_debug_loc): New.
3119         (cselib_reset_table): Zero new variables.
3120         (entry_and_rtx_equal_p): Promote debug locs.
3121         (discard_useless_locs): Increment n_useless_debug_values for
3122         debug values.
3123         (remove_useless_values): Adjust n_useless_values and n_debug_values
3124         with n_useless_debug_values.
3125         (add_mem_for_addr): Promote debug locs.
3126         (cselib_lookup_mem): Likewise.
3127         (cselib_lookup_addr): Renamed to...
3128         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3129         (cselib_log_lookup): ... this.  Turn into...
3130         (cselib_lookup_addr): ... new wrapper.
3131         (cselib_lookup_from_insn): New.
3132         (cselib_invalidate_regno): Increment n_useless_debug_values for
3133         debug values.
3134         (cselib_invalidate_mem): Likewise.
3135         (cselib_process_insn): Take n_deleted and n_debug_values into
3136         account to guard remove_useless_value call.
3137         (cselib_finish): Zero n_useless_debug_values.
3138         * cselib.h (cselib_lookup_from_insn): Declare.
3139         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3140         (sched_analyze_2): Likewise.
3141
3142 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3143
3144         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3145         functions.
3146         (adjust_mems): Replace narrowing SUBREG of expression containing
3147         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3148         with operations in the narrower mode.
3149
3150         PR debug/43593
3151         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3152         regs_invalidated_by_call instead all call_used_reg_set registers.
3153
3154 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3155
3156         PR middle-end/43430
3157         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3158         pointer comparisons with types_compatible_p.
3159         * tree-vect-stmts.c (vectorizable_call): Same.
3160         (vectorizable_condition): Same.
3161
3162 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3163
3164         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3165         stack check if the mask would be zero.
3166
3167 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3168             Jack Howarth <howarth@bromo.med.uc.edu>
3169
3170         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3171         variables TLS.
3172
3173 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3174
3175         PR other/25232
3176         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3177         and __unordtf2.
3178         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3179         Include ___unordxf2 and ___unordtf2.
3180         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3181         GCC_4.4.0 here.
3182
3183 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3184
3185         * config/lm32/t-lm32: New file.
3186         * config.gcc: Use the above file when targetting lm32.
3187
3188 2010-03-28  Duncan Sands  <baldrick@free.fr>
3189
3190         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3191
3192 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3193
3194         PR middle-end/43431
3195         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3196         Improve vectorization cost model diagnostic.
3197
3198 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3199
3200         PR middle-end/43436
3201         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3202         compute_data_dependences_for_loop returns false, early exit
3203         and output an extra diagnostic for the failed data reference
3204         analysis.
3205
3206 2010-03-29  Richard Guenther  <rguenther@suse.de>
3207
3208         PR tree-optimization/43560
3209         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3210         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3211
3212 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3213
3214         PR 43564
3215         * toplev.c (process_options): Set optimization_default_node
3216         and optimization_current_node.
3217         * opts.c (decode_options): Don't set optimization_default_node
3218         and optimization_current_node.
3219
3220 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3221
3222         * config/rtems.h: Abandon -qrtems_debug.
3223
3224 2010-03-28  Jan Hubicka  <jh@suse.cz>
3225
3226         PR tree-optimization/43505
3227         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3228         map should not be copied.
3229
3230 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3231
3232         PR middle-end/41674
3233         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3234         cdtors, set DECL_PRESERVE_P.
3235         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3236         should be preseved.
3237
3238 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3239
3240         PR tree-optimization/43528
3241         * stor-layout.c (place_field): Check that constant fits into
3242         unsigned HWI when skipping calculation of MS bitfield layout.
3243
3244 2010-03-27  Jan Hubicka  <jh@suse.cz>
3245
3246         PR middle-end/43391
3247         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3248         notice_global_symbol work.
3249
3250 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3251
3252         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3253         instead of dwarf2out_decl.
3254         (struct var_loc_node): Remove section_label field.
3255         (dwarf2out_function_decl): New function.
3256         (dwarf2out_var_location): Don't set section_label field.
3257         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3258
3259 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3260
3261         PR tree-optimization/43544
3262         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3263         First argument for builtin vectorized function hook is now a
3264         tree to be able to distinguish between machine specific and
3265         standard builtins.
3266         * targhooks.c (default_builtin_vectorized_function): Ditto.
3267         * targhooks.h (default_builtin_vectorized_function): Ditto.
3268         * target.h (struct gcc_target): Ditto.
3269         * tree-vect-stmts.c (vectorizable_function): Ditto.
3270         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3271         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3272         Ditto.
3273
3274 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3275
3276         PR c/43381
3277         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3278         nested binding iff it is a FUNCTION_DECL.
3279         (store_parm_decls_newstyle): Pass nested=true to bind for
3280         FUNCTION_DECLs amongst parameters.
3281
3282 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3283
3284         * var-tracking.c (vt_expand_loc_callback): Don't run
3285         cselib_expand_value_rtx_cb in dummy mode if
3286         cselib_dummy_expand_value_rtx_cb returned false.
3287
3288         * var-tracking.c (emit_note_insn_var_location): For one part
3289         notes with offset 0, don't add EXPR_LIST around the location.
3290         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3291         add_location_or_const_value_attribute): Adjust for that change.
3292
3293         PR debug/43540
3294         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3295         into first operand and location into second.
3296         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3297         dw_cfi_oprnd_loc for DW_CFA_expression.
3298         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3299         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3300         assume first argument is regnum and second argument is location.
3301
3302 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3303
3304         PR target/42113
3305         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3306         of scratch register to DImode.  Split to DImode comparison operator.
3307         Use SImode subreg of scratch register in the multiplication.
3308         (*cmp_sadd_sidi): Ditto.
3309         (*cmp_ssub_si): Ditto.
3310         (*cmp_ssub_sidi): Ditto.
3311
3312 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3313
3314         PR target/43524
3315         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3316         Remove invalid assert and wrong comment.
3317
3318 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3319
3320         PR debug/43516
3321         * flags.h (final_insns_dump_p): New extern.
3322         * final.c (final_insns_dump_p): New variable.
3323         (rest_of_clean_state): Set it before -fdump-final-insns=
3324         dumping, clear afterwards.
3325         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3326         MEM_ALIAS_SET on MEMs.
3327
3328 2010-03-26  David S. Miller  <davem@davemloft.net>
3329
3330         * configure.ac: Fix sparc GOTDATA_OP bug check.
3331         * configure: Rebuild.
3332
3333 2010-03-26  Alan Modra  <amodra@gmail.com>
3334
3335         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3336
3337 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3338
3339         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3340         TLS_SECTION_ASM_FLAG.
3341
3342 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3343
3344         PR bootstrap/43511
3345         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3346         Clear first_function_block_is_cold.
3347
3348         PR c/43385
3349         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3350         argument if the argument is truth_value_p.
3351
3352 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3353
3354         * config/rs6000/constraints.md: Update copyright year for my changes.
3355
3356         PR target/43484
3357         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3358         used in reg+reg addressing, swap registers.
3359
3360 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3361
3362         PR debug/43293
3363         * target.h (struct gcc_target): Add code_end hook.
3364         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3365         if not yet defined.
3366         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3367         * toplev.c (compile_file): Call targetm.asm_out.code_end
3368         hook before unwind info/debug info output.
3369         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3370         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3371         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3372         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3373         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3374         * config/i386/i386.c (ix86_file_end): Renamed to...
3375         (ix86_code_end): ... this.  Make static.  Don't call
3376         file_end_indicate_exec_stack.  Emit unwind info using
3377         final_start_function/final_end_function.
3378         (darwin_x86_file_end): Remove.
3379         (TARGET_ASM_CODE_END): Define.
3380         * config/i386/i386.h (TARGET_ASM_FILE_END,
3381         NEED_INDICATE_EXEC_STACK): Don't define.
3382         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3383         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3384         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3385         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3386
3387         PR target/43498
3388         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3389         at the beginning and final_end_function at the end.
3390         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3391
3392 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3393
3394         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3395         and Sun as TLS syntax.
3396         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3397         * configure: Regenerate.
3398         * config.in: Regenerate.
3399         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3400         (default_elf_asm_named_section): Use it.
3401         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3402         (i386_output_dwarf_dtprel): Likewise.
3403         (output_addr_const_extra): Likewise.
3404         (output_pic_addr_const): Lowercase @GOTTPOFF.
3405         (output_addr_const_extra): Likewise.
3406         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3407         (output_addr_const_extra): Likewise.
3408         (output_pic_addr_const): Lowercase @INDNTPOFF.
3409         (output_addr_const_extra): Likewise.
3410         (output_pic_addr_const): Lowercase @NTPOFF.
3411         (output_addr_const_extra): Likewise.
3412         (output_pic_addr_const): Lowercase @TPOFF.
3413         (output_addr_const_extra): Likewise.
3414         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3415         (*tls_global_dynamic_64): Likewise.
3416         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3417         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3418
3419         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3420         (ASM_OUTPUT_TLS_COMMON): Use it.
3421         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3422
3423         PR target/38118
3424         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3425         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3426         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3427         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3428         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3429         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3430
3431 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3432
3433         * config/i386/i386.c (override_options): Don't accept
3434         -mtls-dialect=sun any longer.
3435         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3436         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3437         (*tls_local_dynamic_base_32_sun): Likewise.
3438         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3439
3440 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3441
3442         PR debug/43508
3443         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3444         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3445
3446         PR debug/43479
3447         * ira.c (adjust_cleared_regs): New function.
3448         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3449
3450         PR debug/19192
3451         PR debug/43479
3452         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3453         from gimple_block.
3454         * expr.c (expand_expr_real): Restore previous
3455         curr_insn_source_location and curr_insn_block after
3456         expand_expr_real_1 call.
3457         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3458         instead of expand_expr_real_1.
3459
3460 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3461
3462         PR rtl-optimization/43413
3463         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3464         hard regs too.
3465
3466 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3467
3468         PR target/43348
3469         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3470         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3471
3472 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3473
3474         * config/i386/i386.c (ix86_target_string): Add -mfma.
3475         Fix a typo in comment.
3476
3477 2010-03-22  Mike Stump  <mikestump@comcast.net>
3478
3479         PR target/23071
3480         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3481         Don't overly align based upon packed packed fields.
3482
3483 2010-03-22  Jason Merrill  <jason@redhat.com>
3484
3485         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3486         Use () rather than [], and move before the element type.
3487
3488 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3489
3490         * doc/configfiles.texi (Configuration Files): Removed
3491         fixinc/Makefile*, intl/Makefile.*.
3492         * doc/makefile.texi: Fixed markup. Abstract from version
3493         control system used.
3494         (Makefile): Removed obsolete gcc/java/parse.y example.
3495         * doc/sourcebuild.texi: Likewise.
3496         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3497         libgomp, libssp.  Removed fastjar.
3498         (Miscellaneous Docs): Clarify location.
3499         Added COPYING3, COPYING3.LIB.
3500         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3501
3502 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3503
3504         PR target/38085
3505         * config/i386/i386.c (x86_function_profiler)
3506         [!NO_PROFILE_COUNTERS]: Fix typo.
3507         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3508         instead of callq.
3509
3510 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3511             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3512
3513         * doc/sourcebuild.texi (Test Directives): Split into six
3514         subsections, with most of the current text in new subsections
3515         Directives, Selectors, and Final Actions.
3516         (Directives): Split list of test directives into multiple
3517         subsubsections.
3518         (Selectors): Describe use and syntax of selectors.
3519         (Effective-Target Keywords): Describe all existing keywords.
3520         (Add Options): Describe features for dg-add-options.
3521         (Require Support): Describe variants of dg-require-support.
3522         (Final Actions): Describe commands to use in dg-final.
3523
3524 2010-03-22  Michael Matz  <matz@suse.de>
3525
3526         PR middle-end/43475
3527         * recog.c (validate_replace_rtx_group): Replace also in
3528         REG_EQUAL and REG_EQUIV notes.
3529
3530 2010-03-22  Richard Guenther  <rguenther@suse.de>
3531
3532         PR tree-optimization/43390
3533         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3534         sure vector extracts are type correct.
3535
3536 2010-03-22  Richard Guenther  <rguenther@suse.de>
3537
3538         PR middle-end/40106
3539         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3540         x * sqrt (x) even when optimizing for size if the target
3541         has native support for sqrt.
3542
3543 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3544
3545         * varasm.c (make_decl_rtl_for_debug): Also clear
3546         flag_mudflap for the duration of make_decl_rtl call.
3547
3548         PR debug/43443
3549         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3550         locs from preserved VALUEs.
3551
3552 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3553
3554         PR middle-end/42718
3555         * pa.md (movmemsi): Set align to one if zero.
3556         (movmemdi): Likewise.
3557
3558 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3559
3560         PR target/42321
3561         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3562         with their corresponding prologue pushes.
3563
3564 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3565
3566         PR target/43156
3567         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3568         at the begining or end.
3569         (spu_expand_epilogue): Likewise.
3570
3571 2010-03-20  Richard Guenther  <rguenther@suse.de>
3572
3573         PR rtl-optimization/43438
3574         * combine.c (make_extraction): Properly zero-/sign-extend an
3575         extraction of the low part of a CONST_INT.  Also handle
3576         CONST_DOUBLE.
3577
3578 2010-03-19  Mike Stump  <mikestump@comcast.net>
3579
3580         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3581         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3582         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3583
3584 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3585
3586         PR c/43211
3587         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3588         an error.
3589
3590 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3591
3592         PR rtl-optimization/42258
3593         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3594         use that may match DEF.
3595
3596         PR target/40697
3597         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3598         the cost of loading the constant rather than assuming
3599         COSTS_N_INSNS (1).
3600         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3601         outer code is AND, do the same tests as the andsi3 expander and
3602         return COSTS_N_INSNS (1) if and is cheap.
3603
3604         * optabs.c (avoid_expensive_constant): Fix formatting.
3605
3606 2010-03-19  Michael Matz  <matz@suse.de>
3607
3608         PR c++/43116
3609         * attribs.c (decl_attributes): When rebuilding a function pointer
3610         type use the same qualifiers as the original pointer type.
3611
3612 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3613
3614         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3615         and is_gimple_ip_invariant_address.
3616
3617 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3618
3619         Revert
3620         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3621
3622         * config/arm/arm.c (arm_override_options): Turn off
3623         flag_dwarf2_cfi_asm for AAPCS variants.
3624
3625 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3626
3627         PR target/43399
3628         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3629         Use PRE_MODIFY instead of PRE_DEC.
3630         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3631         (vfp_emit_fstmd): Likewise.
3632
3633 2010-03-19  Michael Matz  <matz@suse.de>
3634
3635         PR target/43305
3636         * builtins.c (expand_builtin_interclass_mathfn,
3637         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3638         if that fails.
3639
3640 2010-03-19  Richard Guenther  <rguenther@suse.de>
3641
3642         PR tree-optimization/43415
3643         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3644         (phi_translate_1): ... this.
3645         (phi_translate): Move all caching here.  Cache all NARY
3646         and REFERENCE translations.
3647
3648 2010-03-19  David S. Miller  <davem@davemloft.net>
3649
3650         With help from Eric Botcazou.
3651         * config/sparc/sparc.c: Include dwarf2out.h.
3652         (emit_pic_helper): Delete.
3653         (pic_helper_symbol_name): Delete.
3654         (pic_helper_emitted_p): Delete.
3655         (pic_helper_needed): New.
3656         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3657         (get_pc_thunk_name): New.
3658         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3659         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3660         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3661         (sparc_expand_prologue): Update load_pic_register call.
3662         (sparc_output_mi_thunk): Likewise.
3663         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3664         thunk if possible.  Output CFI information as needed.
3665
3666 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3667             Jack Howarth <howarth@bromo.med.uc.edu>
3668
3669         PR target/36399
3670         * config/i386/i386.h: Fix ABI on darwin x86-32.
3671
3672 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3673
3674         * tree.h: Declare make_decl_rtl_for_debug.
3675         * varasm.c (make_decl_rtl_for_debug): New.
3676         * dwarf2out.c (rtl_for_decl_location): Call it.
3677         * cfgexpand.c (expand_debug_expr): Call it.
3678
3679 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3680
3681         PR bootstrap/43399
3682         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3683         mem_mode.
3684
3685         PR bootstrap/43403
3686         * var-tracking.c (vt_init_cfa_base): Do nothing if
3687         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3688
3689 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3690
3691         PR debug/42873
3692         * var-tracking.c (canonicalize_vars_star): New.
3693         (dataflow_post_merge_adjust): Use it.
3694
3695 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3696
3697         PR debug/43058
3698         * var-tracking.c (non_suitable_const): New function.
3699         (add_uses): For DEBUG_INSNs with constants, don't record any
3700         value, instead just the constant value itself.
3701         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3702         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3703         (emit_notes_in_bb): Likewise.
3704         (emit_note_insn_var_location): For onepart variables if
3705         cur_loc is a VOIDmode constant, use DECL_MODE.
3706
3707 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3708
3709         PR middle-end/42450
3710         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3711         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3712         all non-clones.  Moved call redirection...
3713         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3714         (cgraph_materialize_all_clones): Dispose of all
3715         combined_args_to_skip bitmaps.
3716         (verify_cgraph_node): Do not check for edges pointing to wrong
3717         nodes in inline clones.
3718         * tree-inline.c (copy_bb): Call
3719         cgraph_redirect_edge_call_stmt_to_callee.
3720         * ipa.c (cgraph_remove_unreachable_nodes): Call
3721         cgraph_node_remove_callees even when there are used clones.
3722
3723 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3724
3725         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3726
3727 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3728
3729         PR target/43383
3730         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3731         for 32bit.
3732
3733 2010-03-18  Michael Matz  <matz@suse.de>
3734
3735         PR middle-end/43419
3736         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3737         into sqrt(x) if we need to preserve signed zeros.
3738
3739 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3740             Eric Botcazou  <ebotcazou@adacore.com>
3741
3742         PR rtl-optimization/43360
3743         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3744         note if we don't know its invariant status.
3745
3746 2010-03-18  Michael Matz  <matz@suse.de>
3747
3748         PR tree-optimization/43402
3749         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3750         PHI chains of ssa names registered for update.
3751
3752 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3753
3754         PR target/42427
3755         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3756         non-offsettable and pre_modify update addressing.
3757         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3758         and "2" alternatives "#".
3759         (*movdd_softfloat32): Make all alternatives "#";
3760         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3761         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3762         (*movdf_softfloat32): Make all alternatives "#";
3763         (movdi): Use the new DIFD mode iterator to create a common splitter
3764         for movdi, movdf and movdd patterns.
3765
3766 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3767
3768         * common.opt (dumpdir): Remove redundant tab.
3769
3770 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3771
3772         PR tree-optimization/43347
3773         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3774         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3775
3776 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3777
3778         PR rtl-optimization/42216
3779         * regrename.c (create_new_chain): New function, broken out from...
3780         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3781         appending a use to an empty chain.
3782         (build_def_use): Remove previous changes that convert OP_INOUT to
3783         OP_OUT operands; instead detect the case where an OP_INOUT operand
3784         uses a previously untracked register and create an empty chain for it.
3785
3786 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3787
3788         * doc/extend.texi (Function Attributes): Rewrite unfinished
3789         sentence in ms_abi documentation.
3790
3791 2010-03-17  Alan Modra  <amodra@gmail.com>
3792
3793         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3794         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3795         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3796         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3797
3798 2010-03-16  Richard Henderson  <rth@redhat.com>
3799
3800         PR middle-end/43365
3801         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3802         (lower_try_finally): Save and restore eh_seq around the expansion
3803         of the try-finally.
3804
3805 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3806
3807         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3808         statements before splitting block.
3809
3810 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3811
3812         * doc/sourcebuild.texi (Testsuites): Fix markup.
3813         Use pathnames relative to gcc/testsuite.
3814         (Test Directives): Move description of how timeout is determined.
3815         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3816         (C Tests): Correct gcc.misc-tests directory.
3817         Framework tests now live in gcc.test-framework.
3818
3819 2010-03-16  Richard Guenther  <rguenther@suse.de>
3820
3821         PR middle-end/43379
3822         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3823         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3824
3825 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3826             Alexandre Oliva  <aoliva@redhat.com>
3827
3828         PR tree-optimization/42917
3829         * lambda-code.c (remove_iv): Skip debug statements.
3830         (lambda_loopnest_to_gcc_loopnest): Likewise.
3831         (not_interesting_stmt): Debug statements are not interesting.
3832
3833 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR debug/43051
3836         PR debug/43092
3837         * cselib.c (cselib_preserve_constants,
3838         cfa_base_preserved_val): New static variables.
3839         (preserve_only_constants): New function.
3840         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3841         clear its REG_VALUES.  If cselib_preserve_constants, don't
3842         empty the whole hash table, but preserve there VALUEs with constants,
3843         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3844         (cselib_preserve_cfa_base_value): New function.
3845         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3846         (cselib_init): Change argument to int bitfield.  Set
3847         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3848         is in it.
3849         (cselib_finish): Clear cselib_preserve_constants and
3850         cfa_base_preserved_val.
3851         * cselib.h (enum cselib_record_what): New enum.
3852         (cselib_init): Change argument to int.
3853         (cselib_preserve_cfa_base_value): New prototype.
3854         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3855         * dse.c (dse_step1): Likewise.
3856         * cfgcleanup.c (thread_jump): Likewise.
3857         * sched-deps.c (sched_analyze): Likewise.
3858         * gcse.c (local_cprop_pass): Likewise.
3859         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3860         If FN is non-NULL, call the callback always and whenever it returns
3861         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3862         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3863         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3864         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3865         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3866         * var-tracking.c: Include recog.h.
3867         (bb_stack_adjust_offset): Remove.
3868         (vt_stack_adjustments): Don't call it, instead just gather the
3869         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3870         (adjust_stack_reference): Remove.
3871         (compute_cfa_pointer): New function.
3872         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3873         (struct adjust_mem_data): New type.
3874         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3875         functions.
3876         (get_address_mode): New function.
3877         (replace_expr_with_values): Use it.
3878         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3879         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3880         (adjust_sets): Remove.
3881         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3882         Use get_address_mode.
3883         (get_adjusted_src): Remove.
3884         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3885         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3886         (add_with_sets): Don't call adjust_sets.
3887         (fp_setter, vt_init_cfa_base): New functions.
3888         (vt_initialize): Change return type to bool.  Move most of pool etc.
3889         initialization to the beginning of the function from end.  Pass
3890         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3891         If !frame_pointer_needed, call vt_stack_adjustment before mos
3892         vector is filled, call vt_init_cfa_base if argp/framep has been
3893         eliminated to sp.  If frame_pointer_needed and argp/framep has
3894         been eliminated to hard frame pointer, set
3895         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3896         encountering fp setter in the prologue.  For MO_ADJUST, call
3897         log_op_type before pusing the op into mos vector, not afterwards.
3898         Call adjust_insn before cselib_process_insn/add_with_sets,
3899         call cancel_changes (0) afterwards.
3900         (variable_tracking_main_1): Adjust for vt_initialize calling
3901         vt_stack_adjustments and returning whether it succeeded or not.
3902
3903 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3904
3905         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3906         debug statements.
3907
3908 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3909
3910         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3911         has been set.
3912         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3913         drap_reg has not been set.
3914
3915 2010-03-15  Michael Matz  <matz@suse.de>
3916
3917         PR middle-end/43300
3918         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3919         use it to expand block copies.
3920         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3921         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3922         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3923
3924 2010-03-15  Richard Guenther  <rguenther@suse.de>
3925
3926         PR tree-optimization/43367
3927         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3928         elimination check.
3929
3930 2010-03-15  Richard Guenther  <rguenther@suse.de>
3931
3932         PR tree-optimization/43317
3933         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3934
3935 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3936
3937         PR tree-optimization/43141
3938         * tree-sra.c (create_abstract_origin): New function.
3939         (modify_function): Call create_abstract_origin.
3940
3941 2010-03-15  Chris Demetriou  <cgd@google.com>
3942
3943         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3944         wasn't copied.
3945
3946 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3947
3948         PR middle-end/43354
3949         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3950         call insert_out_of_ssa_copy for default definitions.
3951
3952 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3953
3954         * graphite-clast-to-gimple.c (my_long_long): Defined.
3955         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3956         * graphite-sese-to-poly.c (my_long_long): Defined.
3957         (scop_ivs_can_be_represented): Use it.
3958
3959 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3960
3961         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3962         graphite-max-bbs-per-function, and loop-block-tile-size.
3963         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3964         with "maximum".
3965         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3966
3967 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3968
3969         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3970         forward declaration.
3971         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3972         (add_upper_bounds_from_estimated_nit): New.
3973         (build_loop_iteration_domains): Use it.
3974
3975 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3976
3977         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3978
3979 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3980
3981         PR middle-end/43306
3982         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3983         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3984
3985 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3986
3987         * graphite.c (graphite_initialize): To bound the number of bbs per
3988         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3989         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3990         * doc/invoke.texi: Document it.
3991
3992 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3995         * graphite-sese-to-poly.h (build_poly_scop): Same.
3996
3997 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3998
3999         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4000         the number of parameters in the scop.  Use as an upper bound
4001         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4002         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4003         * doc/invoke.texi: Document it.
4004
4005 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
4006
4007         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4008         * doc/c-tree.texi: Remove.
4009         * doc/generic.texi: Merge c-tree.texi here.
4010         * doc/gccint.texi (Trees): Remove menu entry.
4011         (c-tree.texi): Remove @include.
4012         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4013         * doc/languages.texi (Reading RTL): Ditto.
4014
4015 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
4016
4017         PR target/42869
4018         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4019
4020 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
4021
4022         PR middle-end/42431
4023         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4024         code added to work around reload clobbering CONST insns.
4025
4026 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
4027
4028         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4029         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4030         (cselib_preserve_only_values): Remove retain argument, don't
4031         traverse hash table with cselib_{preserve_definitely,clear_preserve}.