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1 2010-04-28  Xinliang David Li  <davidxl@google.com>
2
3         PR c/42643
4         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
5         (compute_uninit_opnds_pos): New function.
6         (is_non_loop_exit_postdominating): New function.
7         (compute_control_dep_chain): New function.
8         (find_pdom): New function.
9         (convert_control_dep_chain_into_preds): New function.
10         (find_predicates): New function.
11         (find_control_equiv_block): New function.
12         (collect_phi_def_edges): New function.
13         (find_def_preds): New function.
14         (find_dom): New function.
15         (dump_predicates): New function.
16         (get_cmp_code): New function.
17         (is_value_included_in): New function.
18         (find_matching_predicate_in_rest_chains): New function.
19         (use_pred_not_overlap_with_undef_path_pred): New function.
20         (is_use_properly_guarded): New function.
21         (normalize_cond_1): New function.
22         (is_and_or_or): New function.
23         (normalize_cond): New function.
24         (is_gcond_subset_of): New function.
25         (is_subset_of_any): New function.
26         (is_or_set_subset_of): New function.
27         (is_and_set_subset_of): New function.
28         (is_norm_cond_subset_of): New function.
29         (is_pred_expr_subset_of): New function.
30         (is_pred_chain_subset_of): New function.
31         (is_included_in): New function.
32         (is_superset_of): New function.
33         (find_uninit_use): New function.
34         (warn_uninitialized_phi): New function.
35         (compute_possibly_undefined_names): New function.
36         (ssa_undefined_value_p): New function.
37         (execute_late_warn_uninitialized): New function.
38         * tree-ssa.c (ssa_undefined_value_p): Removed.
39         (warn_uninit): Changed to extern.
40         (warn_uninitialized_phi): Removed.
41         (warn_uninitialized_vars): Changed to extern.
42         (execute_late_warn_uninitialized): Removed
43         * tree-flow.h: Add new prototypes.
44         * timevar.def: Add new time variable.
45         * Makefile.in: Add new build file.
46
47 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
48
49         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
50         type if available.
51
52 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
53
54         PR target/22224
55         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
56
57 2010-04-28  Martin Jambor  <mjambor@suse.cz>
58
59         * cgraph.h (struct cgraph_node): New field indirect_calls.
60         (struct cgraph_indirect_call_info): New type.
61         (struct cgraph_edge): Removed field indirect_call. New fields
62         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
63         (cgraph_create_indirect_edge): Declare.
64         (cgraph_make_edge_direct): Likewise.
65         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
66         * ipa-prop.h (struct ipa_param_call_note): Removed.
67         (struct ipa_node_params): Removed field param_calls.
68         (ipa_create_all_structures_for_iinln): Declare.
69         * cgraph.c: Described indirect edges and uids in initial comment.
70         (cgraph_add_edge_to_call_site_hash): New function.
71         (cgraph_edge): Search also among the indirect edges, use
72         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
73         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
74         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
75         site hash.
76         (initialize_inline_failed): Assign a reason to indirect edges.
77         (cgraph_create_edge_1): New function.
78         (cgraph_create_edge): Moved some functionality to
79         cgraph_create_edge_1.
80         (cgraph_create_indirect_edge): New function.
81         (cgraph_edge_remove_callee): Add an assert checking for
82         non-indirectness.
83         (cgraph_edge_remove_caller): Special-case indirect edges.
84         (cgraph_remove_edge): Likewise.
85         (cgraph_set_edge_callee): New function.
86         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
87         (cgraph_make_edge_direct): New function.
88         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
89         the declaration of the call statement matches.
90         (cgraph_node_remove_callees): Special-case indirect edges.
91         (cgraph_clone_edge): Likewise.
92         (cgraph_clone_node): Clone also the indirect edges.
93         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
94         indirect_call, dump count of indirect_calls edges.
95         * ipa-prop.c (iinlining_processed_edges): New variable.
96         (ipa_note_param_call): Create indirect edges instead of
97         creating notes.  New parameter node.
98         (ipa_analyze_call_uses): New parameter node, pass it on to
99         ipa_note_param_call.
100         (ipa_analyze_stmt_uses): Likewise.
101         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
102         (print_edge_addition_message): Work on edges rather than on notes.
103         (update_call_notes_after_inlining): Likewise, renamed to
104         update_indirect_edges_after_inlining.
105         (ipa_create_all_structures_for_iinln): New function.
106         (ipa_free_node_params_substructures): Do not free notes.
107         (ipa_edge_duplication_hook): Propagate bits within
108         iinlining_processed_edges bitmap.
109         (ipa_node_duplication_hook): Do not duplicate notes.
110         (free_all_ipa_structures_after_ipa_cp): Renamed to
111         ipa_free_all_structures_after_ipa_cp.
112         (free_all_ipa_structures_after_iinln): Renamed to
113         ipa_free_all_structures_after_iinln.g
114         (ipa_write_param_call_note): Removed.
115         (ipa_read_param_call_note): Removed.
116         (ipa_write_indirect_edge_info): New function.
117         (ipa_read_indirect_edge_info): Likewise.
118         (ipa_write_node_info): Do not stream notes, do stream information
119         in indirect edges.
120         (ipa_read_node_info): Likewise.
121         (lto_ipa_fixup_call_notes): Removed.
122         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
123         * ipa-inline.c (pass_ipa_inline): Likewise.
124         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
125         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
126         * tree-inline.c (copy_bb): Removed an unnecessary double check for
127         is_gimple_call.
128         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
129         edges.
130         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
131         (output_cgraph): Stream also indirect edges.
132         (lto_output_edge): Added capability to stream indirect edges.
133         (input_edge): Likewise.
134         (input_cgraph_1): Likewise.
135
136 2010-04-28  Richard Guenther  <rguenther@suse.de>
137
138         PR tree-optimization/43879
139         PR tree-optimization/43909
140         * tree-ssa-structalias.c (struct variable_info): Add
141         only_restrict_pointers flag.
142         (new_var_info): Initialize it.  Increment stats.total_vars here.
143         (create_function_info_for): Do not increment stats.total_vars
144         here.
145         (get_function_part_constraint): Fix build with C++.
146         (insert_into_field_list): Remove.
147         (push_fields_onto_fieldstack): Properly merge fields.
148         (create_variable_info_for): Split and simplify.
149         (create_variable_info_for_1): New piece.
150         (intra_create_variable_infos): Properly make restrict constraints
151         from parameters.
152
153 2010-04-28  Richard Guenther  <rguenther@suse.de>
154
155         PR c++/43880
156         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
157         value-exprs.
158
159 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
160             Jan Hubicka <hubicka@ucw.cz>
161
162         * doc/invoke.texi (-Wsuggest-attribute=const,
163         -Wsuggest-attribute=pure): Document.
164         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
165         (function_always_visible_to_compiler_p,
166         suggest_attribute, warn_function_pure, warn_function_const):
167         New functions.
168         (check_call): Improve debug info.
169         (analyze_function): Do not check availability.
170         (add_new_function): Check availability.
171         (propagate): Output warnings.
172         (skip_function_for_local_pure_const): New function.
173         (local_pure_const): Use it; output warnings.
174         * common.opt (Wsuggest-attribute=const,
175         Wsuggest-attribute=pure): New.
176
177 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
178
179         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
180         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
181         or DW_CFA_def_cfa_offset{,_sf}.
182
183 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
184
185         * tree.h: Fix truncated long macros.
186
187 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
188
189         * collect2.c (TARGET_64BIT): Redefine to target's default.
190         * tlink.c: Likewise.
191         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
192         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
193         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
194         for underscoring __USER_LABEL_PREFIX__.
195         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
196         (SUB_LINK_ENTRY32): New.
197         (SUB_LINK_ENTRY64): New.
198         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
199         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
200         (SUB_LINK_ENTRY64): New.
201         (SUB_LINK_ENTRY): New.
202         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
203         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
204         x64 target is choosen.
205         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
206         * configure: Regenerated.
207         * configure.ac (leading-mingw64-underscores): Option added.
208
209 2010-04-27  Jan Hubicka  <jh@suse.cz>
210
211         * doc/invoke.texi (-fipa-profile): Document.
212         * opts.c (decode_options): Enable ipa-profile at -O1.
213         * timevar.def (TV_IPA_PROFILE): Define.
214         * common.opt (fipa-profile): Add.
215         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
216         flag for clones.
217         (cgraph_propagate_frequency): Handle only local ones.
218         * tree-pass.h (pass_ipa_profile): Declare.
219         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
220         (pass_ipa_profile): Use TV_IPA_PROFILE.
221         * ipa.c (ipa_profile): New function.
222         (gate_ipa_profile): Likewise.
223         (pass_ipa_profile): New global variable.
224         * passes.c (pass_ipa_profile): New.
225
226 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
227
228         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
229
230 2010-04-27  Martin Jambor  <mjambor@suse.cz>
231
232         PR middle-end/43812
233         * ipa.c (dissolve_same_comdat_group_list): New function.
234         (function_and_variable_visibility): Call
235         dissolve_same_comdat_group_list when comdat group contains external or
236         newly local nodes.
237         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
238         lists are circular and that they contain only DECL_ONE_ONLY nodes.
239
240 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
241
242         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
243         (const_hash_1) <VECTOR_CST>: New case.
244         (compare_constant) <VECTOR_CST>: Likewise.
245         <ADDR_EXPR>: Deal with LABEL_REFs.
246         (copy_constant) <VECTOR_CST>: New case.
247
248 2010-04-27  Jan Hubicka  <jh@suse.cz>
249
250         * cgraph.c (cgraph_propagate_frequency): New function.
251         * cgraph.h (cgraph_propagate_frequency): Declare.
252         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
253         cgraph_propagate_frequency.
254
255 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
256
257         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
258
259 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
260
261         PR target/40657
262         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
263         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
264         here to determine which regs to push and how much stack to reserve.
265
266 2010-04-27  Jie Zhang  <jie@codesourcery.com>
267
268         * doc/gimple.texi (gimple_statement_with_ops): Remove
269         addresses_taken field.
270         (gimple_statement_with_memory_ops): Likewise.
271
272 2010-04-27  Jan Hubicka  <jh@suse.cz>
273
274         * tree-inline.c (eni_inlining_weights): Remove.
275         (estimate_num_insns): Special case more builtins.
276
277 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
278
279         PR c/32207
280         * c-typeck.c (build_binary_op): Move forward check for comparison
281         pointer with null pointer constant and adjust the diagnostic message.
282
283 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
284
285         PR lto/42776
286         * configure.ac (gcc_cv_as_section_has_align): Set if installed
287         binutils supports extended .section directive needed by LTO, or
288         warn if older binutils found.
289         (LTO_BINARY_READER): New AC_SUBST'd variable.
290         (LTO_USE_LIBELF): Likewise.
291         * gcc/config.gcc (lto_binary_reader): New target-specific configure
292         variable.
293         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
294         (LTO_USE_LIBELF): Likewise.
295         * configure: Regenerate.
296
297         * collect2.c (is_elf): Rename from this ...
298         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
299          object files in addition to ELF-formatted ones.
300         (scan_prog_file): Caller updated.  Also allow for LTO info marker
301         symbol to be prefixed or not by an extra underscore.
302
303         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
304         * config/i386/winnt.c: Also #include lto-streamer.h
305         (i386_pe_asm_named_section): Specify 1-byte section alignment for
306         LTO named sections.
307         (i386_pe_asm_output_aligned_decl_common): Add comment.
308         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
309
310 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
311
312         PR target/43889
313         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
314         Add missing earlyclobber for second alternative.
315
316 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
317
318         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
319         bits for artificial defs at the top of the block.
320         * fwprop.c (single_def_use_enter_block): Don't call it.
321
322 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
323
324         PR 43715
325         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
326         instead of "$gcc_cv_objdump -T".
327         Use "-undefined dynamic_lookup" on darwin.
328         * gcc/configure: Regenerate.
329
330 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
331
332         PR c/43893
333         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
334
335 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
336
337         * c-parser.c (struct c_token): Move location field up.
338         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
339         (struct c_declspecs): Convert typespec_word, storage_class, and
340         default_int_p into bitfields.
341         (struct c_declarator): Move loc field up.
342
343 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
344
345         * cfgloop.h (struct loop): Move can_be_parallel field up.
346         * ipa-prop.h (struct ip_node_params): Move bitfields up.
347         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
348         down.
349         (struct iv_cand): Convert pos field into a bitfield.
350         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
351         field up.
352         (struct _stmt_vec_info): Shuffle fields for better packing.
353
354 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
355
356         * varasm.c (IN_NAMED_SECTION): Remove guard.
357         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
358         (IN_NAMED_SECTION_P): ...this.
359         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
360         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
361
362 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
363
364         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
365         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
366         of shadowing it.  Fix comments.
367
368 2010-04-26  Jan Hubicka  <jh@suse.cz>
369
370         * cgraph.c (cgraph_create_node): Set node frequency to normal.
371         (cgraph_clone_node): Copy function frequency.
372         * cgraph.h (node_frequency): New enum
373         (struct cgraph_node): Add.
374         * final.c (rest_of_clean_state): Update.
375         * lto-cgraph.c (lto_output_node): Output node frequency.
376         (input_overwrite_node): Input node frequency.
377         * tre-ssa-loop-ivopts (computation_cost): Update.
378         * lto-streamer-out.c (output_function): Do not output function
379         frequency.
380         * predict.c (maybe_hot_frequency_p): Update and handle functions
381         executed once.
382         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
383         attribute lookup.
384         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
385         (compute_function_frequency): Set noreturn functions to be executed
386         once.
387         (choose_function_section): Update.
388         * lto-streamer-in.c (input_function): Do not input function frequency.
389         * function.c (allocate_struct_function): Do not initialize function
390         frequency.
391         * function.h (function_frequency): Remove.
392         (struct function): Remove function frequency.
393         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
394         (try_update): Update.
395         * tree-inline.c (initialize_cfun): Do not update function frequency.
396         * passes.c (pass_init_dump_file): Update.
397         * i386.c (ix86_compute_frame_layout): Update.
398         (ix86_pad_returns): Update.
399
400 2010-04-26  Jie Zhang  <jie@codesourcery.com>
401
402         PR tree-optimization/43833
403         * tree-vrp.c (range_int_cst_p): New.
404         (range_int_cst_singleton_p): New.
405         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
406         when both operands are constants.  Use range_int_cst_p in
407         BIT_IOR_EXPR case.
408
409 2010-04-26  Jan Hubicka  <jh@suse.cz>
410
411         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
412
413 2010-04-26  Richard Guenther  <rguenther@suse.de>
414
415         PR lto/43080
416         * gimple.c (gimple_decl_printable_name): Deal gracefully
417         with a NULL DECL_NAME.
418
419 2010-04-26  Richard Guenther  <rguenther@suse.de>
420
421         PR lto/42425
422         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
423         if emitting debug information and it is either a function
424         or a namespace decl.
425
426 2010-04-26  Ira Rosen  <irar@il.ibm.com>
427
428         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
429         determine if the statement is vectorizable, and a macro to access it.
430         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
431         Skip statements that can't be vectorized. If the analysis fails,
432         mark the statement as unvectorizable if vectorizing basic block.
433         (vect_compute_data_refs_alignment): Likewise.
434         (vect_verify_datarefs_alignment): Skip statements marked as
435         unvectorizable. Add print.
436         (vect_analyze_group_access): Skip statements that can't be
437         vectorized. If the analysis fails, mark the statement as
438         unvectorizable if vectorizing basic block.
439         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
440         * tree-vect-stmts.c (vectorizable_store): Fix the number of
441         generated stmts for SLP.
442         (new_stmt_vec_info): Initialize the new field.
443         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
444         statements marked as unvectorizable.
445
446 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
447
448         * c-common.c (flag_isoc1x): New.
449         (flag_isoc99): Update comment.
450         * c-common.h (flag_isoc1x): New.
451         (flag_isoc99): Update comment.
452         * c-cppbuiltin.c (builtin_define_float_constants): Also define
453         __<type>_DECIMAL_DIG__.
454         * c-opts.c (set_std_c1x): New.
455         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
456         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
457         * c.opt (-std=c1x, -std=gnu1x): New options.
458         * doc/cpp.texi: Mention -std=c1x.
459         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
460         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
461         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
462         * doc/standards.texi: Mention C1X.
463         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
464         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
465         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
466         Define for C1X.
467
468 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
469
470         * config/i386/gmon-sol2.c (_mcleanup): Change format string
471         placeholder from 0x%x to %#x.
472         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
473         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
474         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
475         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
476         * config/i386/i386.c (ix86_target_string): Ditto.
477         (output_pic_addr_const): Ditto.
478         (print_operand): Ditto.
479
480 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
481
482         * combine.c (find_split_point): Add third argument.  Use it
483         to find nested multiply-accumulate instructions.  Adjust calls.
484         (try_combine): Adjust call to find_split_point.
485
486 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
487
488         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
489
490 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
491
492         PR tree-optimization/41442
493         * fold-const.c (merge_truthop_with_opposite_arm): New function.
494         (fold_binary_loc): Call it.
495
496 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
497
498         * toplev.c (general_init): Set default for fdiagnostics-show-option.
499         * opts.c (common_handle_option): Allow disabling it.
500         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
501
502 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
503
504         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
505         between modes if both types are integral.
506
507 2010-04-23  Richard Guenther  <rguenther@suse.de>
508
509         PR tree-optimization/43572
510         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
511
512 2010-04-23  Richard Guenther  <rguenther@suse.de>
513
514         PR lto/43455
515         * tree-inline.c (tree_can_inline_p): Also check compatibility
516         of return types.
517
518 2010-04-23  Martin Jambor  <mjambor@suse.cz>
519
520         PR tree-optimization/43846
521         * tree-sra.c (struct access): New flag grp_assignment_read.
522         (build_accesses_from_assign): Set grp_assignment_read.
523         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
524         (enum mark_read_status): New type.
525         (analyze_access_subtree): Propagate grp_assignment_read, create
526         accesses also if both direct_read and root->grp_assignment_read.
527
528 2010-04-23  Martin Jambor  <mjambor@suse.cz>
529
530         PR middle-end/43835
531         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
532         function does not have type attributes.
533
534 2010-04-23  Richard Guenther  <rguenther@suse.de>
535
536         PR lto/42653
537         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
538         of FUNCTION_DECLs.
539
540 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
541
542         * sese.h (create_if_region_on_edge): Remove.
543
544         * sese.c (create_if_region_on_edge): Make static.
545
546         * tree-inline.c: Do not include ggc.h.
547
548         * expr.c: Do not include ggc.h.
549
550         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
551         dependencies.
552
553 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
554
555         PR target/43744
556         * config/sh/sh.c (find_barrier): Don't emit a constant pool
557         in the middle of insns for casesi_worker_2.
558
559 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
560
561         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
562
563 2010-04-22  Ira Rosen  <irar@il.ibm.com>
564
565         PR tree-optimization/43842
566         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
567         loop unrolling in update of exit phis. Fix comment.
568         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
569         least two reduction statements in the loop before starting SLP
570         analysis.
571
572 2010-04-22  Nick Clifton  <nickc@redhat.com>
573
574         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
575
576 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
577
578         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
579         to simplify a + ~a.
580
581 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
582
583         * tree-parloops.c (loop_parallel_p): New argument
584         parloop_obstack.  Pass it down.
585         (parallelize_loops): New variable parloop_obstack.  Initialize it,
586         pass it down, free it.
587
588         * tree-loop-linear.c (linear_transform_loops): Pass down
589         lambda_obstack.
590
591         * tree-data-ref.h (lambda_compute_access_matrices): New argument
592         of type struct obstack *.
593
594         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
595         scratch_obstack.  Initialize it, pass down, free it.
596
597         * lambda.h (lambda_loop_new): Remove.
598         (lambda_matrix_new, lambda_matrix_inverse)
599         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
600         argument of type struct obstack *.
601
602         * lambda-trans.c (lambda_trans_matrix_new): New argument
603         lambda_obstack.  Pass it down, use obstack allocation for ret.
604         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
605         it down.
606
607         * lambda-mat.c (lambda_matrix_get_column)
608         (lambda_matrix_project_to_null): Remove.
609         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
610         allocation for mat.
611         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
612         lambda_obstack.
613
614         * lambda-code.c (lambda_loop_new): New function.
615         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
616         (lambda_compute_auxillary_space, lambda_compute_target_space)
617         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
618         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
619         (build_access_matrix): New argument lambda_obstack.  Use obstack
620         allocation for am.
621         (lambda_compute_step_signs, lambda_compute_access_matrices): New
622         argument lambda_obstack.  Pass it down.
623
624 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
625
626         * optabs.h (expand_widening_mult): Declare.
627
628 2010-04-22  Richard Guenther  <rguenther@suse.de>
629
630         PR tree-optimization/43845
631         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
632         lookup the CALL_EXPR function and arguments.
633
634 2010-04-22  Nick Clifton  <nickc@redhat.com>
635
636         * config/stormy16/stormy16.c
637         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
638         * config/stormy16/stormy16.h: Tidy up formatting.
639         (DONT_USE_BUILTIN_SETJMP): Remove definition.
640         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
641         (ineqbranchsi): Delete pattern.
642         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
643         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
644         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
645         stormy16-lib2-ucmpsi2.c.
646
647 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
648
649         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
650         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
651         extra set merge_set_noclobber, and use it to relax the final test
652         slightly.
653         * df.h (df_simulate_find_noclobber_defs): Declare.
654         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
655         conditional defs.
656         (df_simulate_find_noclobber_defs): New function.
657
658 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
659
660         * config/i386/i386.md: Use {} around multi-line preparation statements.
661
662 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
663
664         * c-tree.h (push_init_level, pop_init_level, set_init_index)
665         (process_init_element): New argument of type struct obstack *.
666
667         * c-typeck.c (push_init_level, pop_init_level, set_designator)
668         (set_init_index, set_init_label, set_nonincremental_init)
669         (set_nonincremental_init_from_string, find_init_member)
670         (output_init_element, output_pending_init_elements)
671         (process_init_element): New argument braced_init_obstack.  Pass it
672         down.
673         (push_range_stack, add_pending_init): New argument
674         braced_init_obstack.  Use obstack allocation.
675
676         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
677         braced_init_obstack.  Pass it down.
678         (c_parser_braced_init): New variables ret, braced_init_obstack.
679         Initialize obstack, pass it down and finally free it.
680
681 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
682
683         PR middle-end/29274
684         * tree-pass.h (pass_optimize_widening_mul): Declare.
685         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
686         gate_optimize_widening_mul): New static functions.
687         (pass_optimize_widening_mul): New.
688         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
689         <case MULT_EXPR>: Remove support for widening multiplies.
690         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
691         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
692         simplify_gen_unary rather than directly building extensions.
693         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
694         WIDEN_MULT_EXPR.
695         * expmed.c (expand_widening_mult): New function.
696         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
697
698 2010-04-21  Jan Hubicka  <jh@suse.cz>
699
700         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
701         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
702         * lto-wpa-fixup.c: Remove.
703         * Makefile.in (lto-wpa-fixup.o): Remove.
704         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
705         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
706         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
707
708 2010-04-21  Jan Hubicka  <jh@suse.cz>
709
710         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
711         add write_optimization_summary, read_optimization_summary.
712         (ipa_write_summaries_of_cgraph_node_set): Remove.
713         (ipa_write_optimization_summaries): Declare.
714         (ipa_read_optimization_summaries): Declare.
715         * ipa-cp.c (pass_ipa_cp): Update.
716         * ipa-reference.c (pass_ipa_reference): Update.
717         * ipa-pure-const.c (pass_ipa_pure_const): Update.
718         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
719         Update.
720         * ipa-inline.c (pass_ipa_inline): Update.
721         * ipa.c (pass_ipa_whole_program): Update.
722         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
723         * passes.c (ipa_write_summaries_1): Do not test wpa.
724         (ipa_write_optimization_summaries_1): New.
725         (ipa_write_optimization_summaries): New.
726         (ipa_read_summaries): Do not test ltrans.
727         (ipa_read_optimization_summaries_1): New.
728         (ipa_read_optimization_summaries): New.
729
730 2010-04-21  Jan Hubicka  <jh@suse.cz>
731
732         * lto-cgraph.c (lto_output_node): Do not output comdat groups
733         for boundary nodes.
734         (output_cgraph): Do not arrange comdat groups for boundary nodes.
735
736 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
737
738         PR debug/40040
739         * dwarf2out.c (add_name_and_src_coords_attributes): Add
740         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
741
742 2010-04-21  Jan Hubicka  <jh@suse.cz>
743
744         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
745
746 2010-04-21  Jan Hubicka  <jh@suse.cz>
747
748         * varpool.c (decide_is_variable_needed): Variable is always needed
749         during ltrans.
750
751 2010-04-21  Jan Hubicka  <jh@suse.cz>
752
753         * opts.c (decode_options): Enable pure-const pass for whopr.
754
755 2010-04-21  Jan Hubicka  <jh@suse.cz>
756
757         * cgraph.c (dump_cgraph_node): Dump also assembler name.
758         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
759         at WPA dumping.
760         (cgraph_decide_inlining): Do not expect callee to be removed in all
761         cases.
762
763 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
764
765         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
766
767 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
768
769         * config/i386/i386.md (x86_shrd): Add athlon_decode and
770         amdfam10_decode attributes.
771
772 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
773
774         PR middle-end/43570
775         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
776         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
777         (lower_copyprivate_clauses): Use private var in outer
778         context instead of original var.  Make sure the types
779         are correct for VLAs.
780
781 2010-04-21  Richard Guenther  <rguenther@suse.de>
782
783         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
784         to non-pointer objects.
785
786 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
787
788         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
789         last chain entry if it starts with the still current label.
790         (add_location_or_const_value_attribute): Check that
791         loc_list->first->next is NULL instead of comparing ->first with ->last.
792         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
793         to add_var_loc_to_decl.
794
795         * dwarf2out.c (output_call_frame_info): For dw_cie_version
796         >= 4 add also address size and segment size fields into CIE header.
797
798         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
799         long as address size is the same as sizeof (void *) and
800         segment size is 0.
801         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
802         address size or segment size is unexpected, return DW_EH_PE_omit.
803         (classify_object_over_fdes): If get_cie_encoding returned
804         DW_EH_PE_omit, return -1.
805         (init_object): If classify_object_over_fdes returned -1,
806         pretend there were no FDEs at all.
807
808 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
809
810         * config/i386/i386.md (bswap<mode>2): Macroize expander from
811         bswap{si,di}2 using SWI48 mode iterator.
812         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
813         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
814         set modrm attribute of bswap insn to 0 and remove length attribute.
815         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
816         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
817         set mode attribute to <MODE> and remove length attribute.
818
819 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
820
821         PR rtl-optimization/43520
822         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
823         zero available registers.
824
825 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
826
827         * builtins.c (fold_builtin_cproj): Fold more cases.
828
829 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
830
831         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
832         (fold_builtin_1): Fold builtin cproj.
833         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
834         Use ATTR_CONST_NOTHROW_LIST.
835
836 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
837
838         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
839         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
840         ffsi2_no_cmove for !TARGET_CMOVE.
841         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
842         (ffssi2): Remove expander.
843         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
844         mode iterator.
845         (ctz<mode>2): Ditto from ctz{si,di}2.
846         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
847         mode iterator.
848         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
849         mode iterator.
850
851 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
852
853         * dwarf2out.c (AT_linkage_name): Define.
854         (clone_as_declaration): Handle DW_AT_linkage_name.
855         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
856         of DW_AT_MIPS_linkage_name.
857         (move_linkage_attr): Likewise.
858         (dwarf2out_finish): Likewise.
859
860 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
861
862         PR middle-end/41952
863         * fold-const.c (fold_comparison): New folding rule.
864
865 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
866
867         * double-int.h (double_int_setbit): Declare.
868         * double-int.c (double_int_setbit): New function.
869         * rtl.h (immed_double_int_const): Declare.
870         * emit-rtl.c (immed_double_int_const): New function.
871         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
872         and immed_double_int_const functions.
873         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
874         expand_copysign_bit):  (Ditto.).
875         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
876         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
877         * dojump.c (prefer_and_bit_test): (Ditto.).
878         * expr.c (convert_modes, reduce_to_bit_field_precision,
879         const_vector_from_tree): (Ditto.).
880         * expmed.c (mask_rtx, lshift_value): (Ditto.).
881
882 2010-04-20  Jan Hubicka  <jh@suse.cz>
883
884         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
885         (dump_cgraph_node): Dump new flags.
886         * cgraph.h (struct cgraph_node): Add flags
887         reachable_from_other_partition and in_other_partition.
888         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
889         other partition can not be removed.
890         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
891         the other partition must be output; silence sanity checking on
892         leaking functions bodies from other paritition.
893         * lto-cgraph.c (reachable_from_other_partition_p): New function.
894         (lto_output_node): Output new flags; do not sanity check that inline
895         clones are output; drop lto_forced_extern_inline_p code; do not mock
896         visibility flags at partition boundaries.
897         (add_node_to): New function.
898         (output_cgraph): Use it to sort functions so masters appear before
899         clones.
900         (input_overwrite_node): Input new flags.
901         * passes.c (ipa_write_summaries): Do not call
902         lto_new_extern_inline_states.
903         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
904         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
905         lto_forced_extern_inline_p): Kill.
906         * lto-streamer.h (lto_new_extern_inline_states,
907         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
908         lto_forced_extern_inline_p): Kill.
909
910 2010-04-20  Richard Guenther  <rguenther@suse.de>
911
912         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
913         from vars that can have pointers.
914         (process_constraint): Dump useless constraints.
915
916 2010-04-20  Richard Guenther  <rguenther@suse.de>
917
918         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
919         (dump_sa_points_to_info): Remove asserts.
920         (init_base_vars): nothing_id isn't an escape point nor does it
921         have pointers.
922
923 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
924
925         * tree.h (TYPE_REF_IS_RVALUE): Define.
926         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
927         should_move_die_to_comdat, prune_unused_types_walk): Handle
928         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
929         (modified_type_die, gen_reference_type_die): Emit
930         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
931         if TYPE_REF_IS_RVALUE and -gdwarf-4.
932
933 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
934
935         PR target/43635
936         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
937         calls for -fpic -m31 if they have been sibcall optimized.
938
939 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
940
941         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
942         ar.lc fixed and call-used.
943
944         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
945
946 2010-04-19  Jan Hubicka  <jh@suse.cz>
947
948         * opts.c (decode_options): Disable whpr incompatible passes.
949         * lto/lto.c (lto_1_to_1_map): Skip clones.
950         (read_cgraph_and_symbols): Do not mark everything as needed.
951         (do_whole_program_analysis): Do map only after optimizing;
952         set proper cgraph_state; use passmanager.
953
954 2010-04-19  DJ Delorie  <dj@redhat.com>
955
956         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
957         POINTER_PLUS_EXPR and fix them.
958
959 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
960
961         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
962         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
963         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
964         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
965         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
966         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
967         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
968         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
969         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
970         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
971         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
972
973 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
976         (check_cond_move_block): Likewise.
977         (cond_move_process_if_block): Likewise.
978         (noce_find_if_block): Improve formatting.
979         (find_if_header): Pass 0 to memset and tweak conditions.
980         (cond_exec_find_if_block): Fix long lines and tweak conditions.
981
982 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
983
984         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
985         for -gdwarf-4.
986
987         PR middle-end/43337
988         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
989         with non-local decl doesn't need chain.
990
991 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
992
993         * ira-color.c (allocno_reload_assign): Avoid accumulating
994         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
995
996 2010-04-19  Martin Jambor  <mjambor@suse.cz>
997
998         * gimple.h (create_tmp_reg): Declare.
999         * gimplify.c (create_tmp_reg): New function.
1000         (gimplify_return_expr): Use create_tmp_reg.
1001         (gimplify_omp_atomic): Likewise.
1002         (gimple_regimplify_operands): Likewise.
1003         * tree-dfa.c (make_rename_temp): Likewise.
1004         * tree-predcom.c (predcom_tmp_var): Likewise.
1005         (reassociate_to_the_same_stmt): Likewise.
1006         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1007         (get_replaced_param_substitute): Likewise.
1008         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1009         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1010         * tree-ssa-pre.c (get_representative_for): Likewise.
1011         (create_expression_by_pieces): Likewise.
1012         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1013         (create_tailcall_accumulator): Likewise.
1014
1015 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1016
1017         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1018         new_stmt.
1019         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1020
1021 2010-04-19  Richard Guenther  <rguenther@suse.de>
1022
1023         PR tree-optimization/43796
1024         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1025         from SCEV in the lattice.
1026         (vrp_visit_phi_node): Dump change.
1027
1028 2010-04-19  Richard Guenther  <rguenther@suse.de>
1029
1030         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1031         * configure: Re-generated.
1032
1033 2010-04-19  Richard Guenther  <rguenther@suse.de>
1034
1035         PR tree-optimization/43783
1036         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1037         constant ARRAY_REF operands two and three if possible.
1038
1039 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1040
1041         PR target/43766
1042         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1043
1044 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1045
1046         PR target/43662
1047         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1048
1049 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1050
1051         PR tree-optimization/37027
1052         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1053         and macro to access it.
1054         (vectorizable_reduction): Add argument.
1055         (vect_get_slp_defs): Likewise.
1056         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1057         statements for possible use in SLP.
1058         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1059         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1060         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1061         add new argument.
1062         (vectorizable_reduction): Likewise.
1063         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1064         vect_get_slp_defs.
1065         (vectorizable_type_demotion, vectorizable_type_promotion,
1066         vectorizable_store): Likewise.
1067         (vect_analyze_stmt): Update call to vectorizable_reduction.
1068         (vect_transform_stmt): Likewise.
1069         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1070         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1071         from different interleaving chains in same node.
1072         (vect_slp_rearrange_stmts): New function.
1073         (vect_supported_load_permutation_p): Allow load permutations for
1074         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1075         inside SLP nodes if necessary.
1076         (vect_analyze_slp_instance): Handle reductions.
1077         (vect_analyze_slp): Try to build SLP instances originating from groups
1078         of reductions.
1079         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1080         (vect_get_constant_vectors): Create initial vectors for reductions
1081         according to reduction code. Add new argument.
1082         (vect_get_slp_defs): Add new argument, pass it to
1083         vect_get_constant_vectors.
1084         (vect_schedule_slp_instance): Remove SLP tree root statements.
1085
1086 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1087
1088         * tree.h (ENUM_IS_SCOPED): Define.
1089         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1090         for ENUM_IS_SCOPED enums.
1091
1092 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1093
1094         * fold-const.c (fold_comparison): Use ssizetype.
1095         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1096         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1097         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1098         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1099
1100         * tree.h (initialize_sizetypes): Remove parameter.
1101         (build_common_tree_nodes): Remove second parameter.
1102         * stor-layout.c (initialize_sizetypes): Remove parameter.
1103         Always create an unsigned type.
1104         (set_sizetype): Assert that the passed type is unsigned and simplify.
1105         * tree.c (build_common_tree_nodes): Remove second parameter.
1106         Adjust call to initialize_sizetypes.
1107         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1108         build_common_tree_nodes.
1109
1110 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1111
1112         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1113
1114 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1115
1116         PR tree-optimization/43771
1117         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1118         load permutation doesn't have gaps.
1119
1120 2010-04-18  Jan Hubicka  <jh@suse.cz>
1121
1122         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1123         (sse_prologue_save_insn expander): Use new pattern.
1124         (sse_prologue_save_insn1): New pattern and splitter.
1125         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1126         blocks.
1127         * i386.c (setup_incoming_varargs_64): Do not compute jump
1128         destination here.
1129         (ix86_gimplify_va_arg): Update alignment needed.
1130         (ix86_local_alignment): Do not align all local arrays to 128bit.
1131
1132 2010-04-17  Jan Hubicka  <jh@suse.cz>
1133
1134         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1135
1136 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1137
1138         * arm.md (negdi2): Remove redundant code to force values into a
1139         register.
1140
1141 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1142
1143         * arm/bpabi.S: Add EABI alignment attributes to objects.
1144         * arm/bpabi-v6m.S: Likewise.
1145         * arm/crti.asm: Likewise.
1146         * arm/crtn.asm: Likewise.
1147         * arm/lib1funcs.asm: Likewise.
1148         * arm/libunwind.S: Likewise.
1149
1150 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1151
1152         * arm-protos.h (tune_params): New structure.
1153         * arm.c (current_tune): New variable.
1154         (arm_constant_limit): Delete.
1155         (struct processors): Add pointer to the tune parameters.
1156         (arm_slowmul_tune): New tuning option.
1157         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1158         (all_cores): Adjust to pick up the tuning model.
1159         (arm_constant_limit): New function.
1160         (arm_override_options): Select the appropriate tuning model.  Delete
1161         initialization of arm_const_limit.
1162         (arm_split_constant): Use the new constant-limit model.
1163         (arm_rtx_costs): Pick up the current tuning model.
1164         * arm.md (is_strongarm, is_xscale): Delete.
1165         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1166         for Xscale variant architectures.
1167         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1168
1169 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1170
1171         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1172         can_shift.
1173         (arm_rtx_costs_1): Remove unused variable extra_cost.
1174         (arm_unwind_emit_set): Use variable offset.
1175         (thumb1_output_casesi): Remove unused variable flags.
1176
1177 2010-04-16  Jeff Law  <law@redhat.com>
1178
1179         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1180         needing assignment rather than doing a two-phase assignment.  Remove
1181         unused variable 'm'.
1182
1183 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1184
1185         PR bootstrap/43767
1186         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1187
1188 2010-04-16  Doug Kwan  <dougkwan@google.com>
1189
1190         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1191         (next_operand_entry_id): New static variable.
1192         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1193         (add_to_ops_vec): Assigned unique ID to operand entry.
1194         (struct oecount_s): New field ID.
1195         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1196         (undistribute_ops_list): Assign unique IDs to oecounts.
1197         (init_reassoc): reset next_operand_entry_id.
1198
1199 2010-04-16  Doug Kwan  <dougkwan@google.com>
1200
1201         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1202         missing left parenthesis.
1203
1204 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1205
1206         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1207         *btdi_rex64 using SWI48 mode iterator.
1208         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1209         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1210         *jcc_btdi_mask_rex64.
1211
1212 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1213
1214         * double-int.h (tree_to_double_int): Convert to macro.
1215         * double-int.c (tree_to_double_int): Remove.
1216
1217 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR debug/43762
1220         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1221         with want_address 2 and in case a single element list might be
1222         possible, call it again with want_address 0.
1223
1224 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1225
1226         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1227         case 'W' print operands for HI mode.
1228         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1229         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1230         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1231         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1232
1233         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1234
1235         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1236         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1237         #xx:3 and #xx:4 mode.
1238
1239         * config/h8300/h8300.md (inverted load with HImode dest): Add
1240         support for H8300SX.
1241
1242         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1243         satisfy 'U' constraint.
1244
1245 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1246
1247         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1248         * configure: Regenerate.
1249         * config.in: Regenerate.
1250         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1251         works.
1252
1253 2010-04-16  Richard Guenther  <rguenther@suse.de>
1254
1255         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1256         (struct tree_decl_common): ... here.
1257         (DECL_PT_UID): Adjust.
1258         (SET_DECL_PT_UID): Likewise.
1259         (DECL_PT_UID_SET_P): Likewise.
1260
1261 2010-04-16  Richard Guenther  <rguenther@suse.de>
1262
1263         PR tree-optimization/43572
1264         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1265         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1266         * tree-flow.h (is_call_clobbered): Remove.
1267         * tree-flow-inline.h (is_call_clobbered): Likewise.
1268         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1269         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1270         (execute_return_slot_opt): Adjust.
1271         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1272         check for call clobbered vars here.
1273         (find_tail_calls): Move tailcall verification to the
1274         proper place.
1275
1276 2010-04-16  Diego Novillo  <dnovillo@google.com>
1277
1278         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1279
1280 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1281
1282         PR target/40603
1283         * config/arm/arm.md (cbranchqi4): New pattern.
1284         * config/arm/predicates.md (const0_operand,
1285         cbranchqi4_comparison_operator): New predicates.
1286
1287 2010-04-16  Richard Guenther  <rguenther@suse.de>
1288
1289         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1290         (dump_gimple_stmt): Likewise.
1291
1292 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1293
1294         * recog.h (struct recog_data): New field is_operator.
1295         (struct insn_operand_data): New field is_operator.
1296         * recog.c (extract_insn): Set recog_data.is_operator.
1297         * genoutput.c (output_operand_data): Emit code to set the
1298         is_operator field.
1299         * reload.c (find_reloads): Use it rather than testing for an
1300         empty constraint string.
1301
1302         PR target/41514
1303         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1304         If the previous insn is a cbranchsi4_insn with the same arguments,
1305         omit the compare instruction.
1306
1307         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1308         register, inputs must be low registers and we need a low register
1309         scratch.  Handle alternative 2 like alternative 3.
1310
1311 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1312
1313         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1314         don't call get_addr on both.  If one expression is a VALUE and
1315         the other a REG, check VALUE's locs if the REG isn't among them.
1316
1317 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1318
1319         * config/sh/sh.h (sh_frame_pointer_required): New function.
1320         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1321         (flag_omit_frame_pointer) Set.
1322         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1323         (rounded_frame_size): Adjust size with outgoing_args_size.
1324         (sh_set_return_address): Must return from stack pointer.
1325         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1326         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1327         (ACCUMULATE_OUTGOING_ARGS): Define.
1328         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1329         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1330
1331 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1332
1333         PR target/43471
1334         * config/sh/sh.c (sh_legitimize_reload_address): Use
1335         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1336         Remove a unneeded check for offset_base.
1337
1338 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1339
1340         * configure: Regenerated.
1341
1342 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1343
1344         * config/s390/s390.c (s390_call_save_register_used): Switch back
1345         to HARD_REGNO_NREGS.
1346
1347 2010-04-15  Richard Guenther  <rguenther@suse.de>
1348
1349         * alias.c (alias_set_subset_of): Handle alias-set zero
1350         child properly.
1351
1352 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1353             Julian Brown  <julian@codesourcery.com>
1354
1355         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1356         alternatives according to use of high and low regs.
1357         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1358         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1359         optimizing for size on Thumb-2.
1360
1361 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1362
1363         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1364
1365 2010-04-15  Richard Guenther  <rguenther@suse.de>
1366
1367         * tree-ssa-structalias.c (struct variable_info): Add
1368         is_fn_info flag.
1369         (new_var_info): Initialize it.
1370         (dump_constraints): Support printing last added constraints.
1371         (debug_constraints): Adjust.
1372         (dump_constraint_graph): Likewise.
1373         (make_heapvar_for): Check for NULL cfun.
1374         (get_function_part_constraint): New function.
1375         (get_fi_for_callee): Likewise.
1376         (find_func_aliases): Properly implement IPA PTA constraints.
1377         (process_ipa_clobber): New function.
1378         (find_func_clobbers): Likewise.
1379         (insert_into_field_list_sorted): Remove.
1380         (create_function_info_for): Properly allocate vars for IPA mode.
1381         Do not use insert_into_field_list_sorted.
1382         (create_variable_info_for): Properly generate constraints for
1383         global vars in IPA mode.
1384         (dump_solution_for_var): Always dump the solution.
1385         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1386         (find_what_var_points_to): Adjust.
1387         (pt_solution_set): Change.
1388         (pt_solution_ior_into): New function.
1389         (pt_solution_empty_p): Export.
1390         (pt_solution_includes_global): Adjust.
1391         (pt_solution_includes_1): Likewise.
1392         (pt_solutions_intersect_1): Likewise.
1393         (dump_sa_points_to_info): Check some invariants.
1394         (solve_constraints): Move constraint dumping ...
1395         (compute_points_to_sets): ... here.
1396         (ipa_pta_execute): ... and here.
1397         (compute_may_aliases): Do not re-compute points-to info
1398         locally if IPA info is available.
1399         (ipa_escaped_pt): New global var.
1400         (ipa_pta_execute): Properly implement IPA PTA.
1401         * tree-into-ssa.c (dump_decl_set): Support dumping
1402         decls not in referenced-vars.
1403         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1404         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1405         (dump_points_to_solution): Likewise.
1406         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1407         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1408         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1409         (copy_decl_to_var): Copy DECL_PT_UID.
1410         (copy_result_decl_to_var): Likewise.
1411         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1412         (copy_node_stat): Copy it.
1413         * tree.h (DECL_PT_UID): New macro.
1414         (SET_DECL_PT_UID): Likewise.
1415         (DECL_PT_UID_SET_P): Likewise.
1416         (struct tree_decl_minimal): Add pt_uid member.
1417         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1418         (pt_solution_empty_p): Declare.
1419         (pt_solution_set): Adjust.
1420         (ipa_escaped_pt): Declare.
1421         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1422         * gimple-pretty-print.c (pp_points_to_solution): New function.
1423         (dump_gimple_call): Dump call clobber/use information.
1424         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1425         * tree-pass.h (TDF_ALIAS): New dump option.
1426         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1427         * doc/invoke.texi (-fipa-pta): Update documentation.
1428
1429 2010-04-15  Richard Guenther  <rguenther@suse.de>
1430
1431         * Makefile.in (OBJS-common): Add gimple-fold.o.
1432         (gimple-fold.o): New rule.
1433         * tree.h (maybe_fold_offset_to_reference,
1434         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1435         prototypes ...
1436         * gimple.h: ... here.
1437         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1438         may_propagate_address_into_dereference): Move prototypes ...
1439         * gimple.h: ... here.
1440         * tree-ssa-ccp.c (get_symbol_constant_value,
1441         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1442         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1443         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1444         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1445         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1446         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1447         gimplify_and_update_call_from_tree): Move ...
1448         * gimple-fold.c: ... here.  New file.
1449         (ccp_fold_builtin): Rename to ...
1450         (gimple_fold_builtin): ... this.
1451         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1452
1453 2010-04-15  Richard Guenther  <rguenther@suse.de>
1454
1455         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1456         fit_double_type, force_fit_type_double, add_double_with_sign,
1457         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1458         lrotate_double, rrotate_double, div_and_round_double): Move ...
1459         * double-int.c: ... here.
1460         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1461         add_double, neg_double, mul_double_with_sign, mul_double,
1462         lshift_double, rshift_double, lrotate_double, rrotate_double,
1463         div_and_round_double): Move prototypes ...
1464         * double-int.h: ... here.
1465
1466 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1467
1468         PR target/43742
1469         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1470         matching constraints to ensure inputs match the output.
1471
1472 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1473
1474         PR target/43742
1475         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1476         in an input-only operand.
1477
1478 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1479
1480         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1481         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1482         (double_int_negative_p): Convert to static inline function.
1483         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1484         (double_int_negative_p): Remove.
1485         * tree.h (lshift_double, rshift_double):
1486         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1487         * fold-const.c (fold_convert_const_int_from_real,
1488         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1489         (lshift_double): Change type of arith argument to bool.
1490         (rshift_double): Change type of arith argument to bool. Correct
1491         comment.
1492         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1493
1494 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1495
1496         PR target/21803
1497         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1498         at the start and end of the then/else blocks, and omit them from the
1499         conversion.
1500         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1501         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1502         (flow_find_head_matching_sequence): New function.
1503         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1504         * basic-block.h (flow_find_cross_jump,
1505         flow_find_head_matching_sequence): Declare functions.
1506
1507 2010-04-14  Jason Merrill  <jason@redhat.com>
1508
1509         PR c++/36625
1510         * c-common.c (attribute_takes_identifier_p): New fn.
1511         * c-common.h: Declare it.
1512
1513 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1514
1515         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1516         splitter condition.
1517         (*udivmod<mode>4): Ditto.
1518
1519 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1520
1521         * config/i386/i386.md (maxmin_int): Rename code attribute from
1522         maxminiprefix and update all users.
1523         (maxmin_float): Ditto from maxminfprefix.
1524         (logic): Ditto from logicprefix.
1525         (absneg_mnemonic): Ditto from absnegprefix.
1526         * config/i386/mmx.md: Update all users of maxminiprefix,
1527         maxminfprefix and logicprefix for rename.
1528         * config/i386/sse.md: Ditto.
1529         * config/i386/sync.md (sync_<code><mode>): Update for
1530         logicprefix rename.
1531
1532 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1533
1534         PR 42966
1535         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1536         warnings converted to errors.
1537
1538 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1539
1540         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1541         used insn_type variable.
1542         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1543         to avoid set-but-not-used warning.
1544
1545 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1546
1547         * df-core.c (df_ref_debug): Change format string placeholder
1548         from 0x%x to %#x.
1549         * dwarf2asm.c (dw2_asm_output_data_raw,
1550         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1551         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1552         * dwarf2out.c (output_cfi, output_cfi_directive,
1553         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1554         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1555         Ditto.
1556         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1557         * print-rtl.c (print_rtx): Ditto.
1558
1559 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1560
1561         PR middle-end/42694
1562         * builtins.c (expand_builtin_pow_root): New function to expand pow
1563         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1564         series of sqrt and cbrt calls under -ffast-math.
1565         (expand_builtin_pow): Call it.
1566
1567 2010-04-14  Michael Matz  <matz@suse.de>
1568
1569         PR tree-optimization/42963
1570         * tree-cfg.c (touched_switch_bbs): New static variable.
1571         (group_case_labels_stmt): New function broken out from ...
1572         (group_case_labels): ... here, use the above.
1573         (start_recording_case_labels): Allocate touched_switch_bbs.
1574         (end_recording_case_labels): Deallocate it, call
1575         group_case_labels_stmt.
1576         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1577
1578 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1579
1580         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1581         from insn template.
1582
1583 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1584
1585         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1586
1587 2010-04-13  Jan Hubicka  <jh@suse.cz>
1588
1589         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1590         of optimized out static functions.
1591         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1592         cost computation.  Also sanity check for overflows.
1593         (update_caller_keys): Update cgraph_edge_badness call; properly
1594         update fibheap and sanity check that it is up to date.
1595         (add_new_edges_to_heap): Update cgraph_edge_badness.
1596         (cgraph_decide_inlining_of_small_function): Likewise;
1597         add sanity checking that badness in heap is up to date;
1598         improve dumping of reason; Update badness of calls to the
1599         offline copy of function currently inlined; dump badness
1600         of functions not inlined because of unit growth limits.
1601
1602 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1603
1604         PR middle-end/32628
1605         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1606         because of sign-extension change when converting to sizetype here...
1607         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1608
1609         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1610         the folding to constants.  Remove redundant final conversion.
1611         (fold_binary) <associate>: Do not associate if the re-association of
1612         constants alone overflows.
1613         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1614         to the end of the list.
1615         (multiple_of_p) <COND_EXPR>: New case.
1616
1617 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1618
1619         * opt-functions.awk (opt_sanitized_name): New.
1620         (opt_enum): New.
1621         * optc-gen.awk: Use it
1622         * opth-gen.awk: Use it.
1623
1624 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1625
1626         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1627         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1628         children.  Call replace_uses_with_default_def_ssa_name to handle
1629         SSA_NAES on lhs.
1630
1631 2010-04-13  Michael Matz  <matz@suse.de>
1632
1633         PR middle-end/43730
1634         * builtins.c (expand_builtin_interclass_mathfn): Also create
1635         a register if the predicate doesn't match.
1636
1637 2010-04-13  Diego Novillo  <dnovillo@google.com>
1638
1639         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1640         * c-pch.c: Include timevar.h.
1641         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1642         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1643         * ggc-common.c: Include timevar.h.
1644         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1645         * timevar.def (TV_PCH_SAVE): Define.
1646         (TV_PCH_CPP_SAVE): Define.
1647         (TV_PCH_PTR_REALLOC): Define.
1648         (TV_PCH_PTR_SORT): Define.
1649         (TV_PCH_RESTORE): Define.
1650         (TV_PCH_CPP_RESTORE): Define.
1651
1652 2010-04-13  Michael Matz  <matz@suse.de>
1653
1654         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1655         into MINUS_EXPRs.
1656         (can_reassociate_p): New function.
1657         (break_up_subtract_bb, reassociate_bb): Use it.
1658
1659 2010-04-13  Richard Guenther  <rguenther@suse.de>
1660
1661         PR bootstrap/43737
1662         * builtins.c (c_readstr): Fix assert.
1663
1664 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1665
1666         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1667         when generating cltd insn.
1668
1669         (*ashl<mode>3_1): Remove special handling for register operand 2.
1670         (*ashlsi3_1_zext): Ditto.
1671         (*ashlhi3_1): Ditto.
1672         (*ashlhi3_1_lea): Ditto.
1673         (*ashlqi3_1): Ditto.
1674         (*ashlqi3_1_lea): Ditto.
1675         (*<shiftrt_insn><mode>3_1): Ditto.
1676         (*<shiftrt_insn>si3_1_zext): Ditto.
1677         (*<shiftrt_insn>qi3_1_slp): Ditto.
1678         (*<rotate_insn><mode>3_1): Ditto.
1679         (*<rotate_insn>si3_1_zext): Ditto.
1680         (*<rotate_insn>qi3_1_slp): Ditto.
1681
1682 2010-04-13  Richard Guenther  <rguenther@suse.de>
1683
1684         * tree-ssa-structalias.c (callused_id): Remove.
1685         (call_stmt_vars): New.
1686         (get_call_vi): Likewise.
1687         (lookup_call_use_vi): Likewise.
1688         (lookup_call_clobber_vi): Likewise.
1689         (get_call_use_vi): Likewise.
1690         (get_call_clobber_vi): Likewise.
1691         (make_transitive_closure_constraints): Likewise.
1692         (handle_const_call): Adjust to do per-call call-used handling.
1693         (handle_pure_call): Likewise.
1694         (find_what_var_points_to): Remove general callused handling.
1695         (init_base_vars): Likewise.
1696         (init_alias_vars): Initialize call_stmt_vars.
1697         (compute_points_to_sets): Process call-used and call-clobbered
1698         vars for call statements.
1699         (delete_points_to_sets): Free call_stmt_vars.
1700
1701 2010-04-13  Richard Guenther  <rguenther@suse.de>
1702
1703         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1704         Only add RW dependence for dependence distance zero.
1705         Adjust maximal vectorization factor according to dependences.
1706         Move alignment handling ...
1707         (vect_find_same_alignment_drs): ... here.  New function.
1708         (vect_analyze_data_ref_dependences): Adjust.
1709         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1710         (vect_analyze_data_refs): Adjust minimal vectorization factor
1711         according to data references.
1712         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1713         dependences before determining the vectorization factor.
1714         Analyze alignment after determining the vectorization factor.
1715         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1716         dependences before alignment.
1717         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1718         Adjust prototype.
1719         (vect_analyze_data_refs): Likewise.
1720         (MAX_VECTORIZATION_FACTOR): New define.
1721
1722 2010-04-13  Duncan Sands  <baldrick@free.fr>
1723
1724         * except.h (lang_eh_type_covers): Remove.
1725         * except.c (lang_eh_type_covers): Likewise.
1726
1727 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1728             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1729
1730         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1731         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1732         UNITS_PER_LONG where it is ABI relevant.
1733         (s390_return_addr_rtx): Likewise.
1734         (s390_back_chain_rtx): Likewise.
1735         (s390_frame_area): Likewise.
1736         (s390_frame_info): Likewise.
1737         (s390_initial_elimination_offset): Likewise.
1738         (save_gprs): Likewise.
1739         (s390_emit_prologue): Likewise.
1740         (s390_emit_epilogue): Likewise.
1741         (s390_function_arg_advance): Likewise.
1742         (s390_function_arg): Likewise.
1743         (s390_va_start): Likewise.
1744         (s390_gimplify_va_arg): Likewise.
1745         (s390_function_profiler): Likewise.
1746         (s390_optimize_prologue): Likewise.
1747         (s390_rtx_costs): Likewise.
1748         (s390_secondary_reload): Likewise.
1749         (s390_promote_function_mode): Likewise.
1750         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1751         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1752         registers available.
1753         (s390_unwind_word_mode): New function.
1754         (s390_function_value): Split 64 bit values into register pair if
1755         used as return value.
1756         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1757         function call parameters.  Handle parallels.
1758         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1759         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1760         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1761         (s390_expand_setmem): Remove unused variable src_addr.
1762         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1763         deal with 64 bit registers.
1764         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1765         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1766         (UNITS_PER_LONG): New macro.
1767         * libjava/include/s390-signal.h: Define extended ucontext
1768         structure containing the upper halfs of the 64 bit registers.
1769
1770 2010-04-13  Simon Baldwin  <simonb@google.com>
1771
1772         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1773
1774 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1775
1776         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1777         rvalue on the RHS if the LHS is of a non-renamable type.
1778         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1779
1780 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1781
1782         * gcc.c (cc1_options): Handle -iplugindir before processing
1783         the cc1 spec. Only add -iplugindir once.
1784         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1785         found.
1786         * common.opt (iplugindir): Remove `Separate' property, initialize.
1787         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1788         option.
1789         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1790         (distclean): Remove plugin dir.
1791         * doc/invoke.texi: Document -iplugindir.
1792
1793 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1794
1795         * doc/plugins.texi (Loading Plugins): Document short
1796         -fplugin=foo option.
1797         (Plugin API): Mention default_plugin_dir_name function.
1798
1799         * gcc.c (find_file_spec_function): Add new declaration.
1800         (static_spec_func): Use it for "find-file".
1801         (find_file_spec_function): Add new function.
1802         (cc1_options): Add -iplugindir option if -fplugin* options found.
1803
1804         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1805
1806         * plugin.c (add_new_plugin): Updated comment, and handle short
1807         plugin name.
1808         (default_plugin_dir_name): Added new function.
1809
1810         * common.opt (iplugindir): New option to set the plugin directory.
1811
1812 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1813
1814         * config/i386/i386.md (any_rotate): New code iterator.
1815         (rotate_insn): New code attribute.
1816         (rotate): Ditto.
1817         (SWIM124): New mode iterator.
1818         (<rotate_insn>ti3): New expander.
1819         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1820         any_rotate code iterator.
1821         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1822         using any_rotate code iterator and SWIM124 mode iterator.
1823         (ix86_rotlti3): New insn_and_split pattern.
1824         (ix86_rotrti3): Ditto.
1825         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1826         ix86_rotl{di,ti}3 patterns.
1827         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1828         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1829         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1830         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1831         code iterator and SWI mode iterator.
1832         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1833         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1834         code iterator.
1835         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1836         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1837         (bswap rotatert splitter): Add splitter.
1838         (bswap splitter): Macroize splitter using any_rotate code iterator.
1839         Add insn predicate to split only for TARGET_USE_XCHGB or when
1840         optimizing function for size.
1841
1842 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1843
1844         * config/pa/pa.c (emit_move_sequence): Remove use of
1845         deleted variable flag_argument_noalias.
1846
1847 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1848
1849         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1850         configurations.
1851         Add to unsupported targets list.
1852         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1853         sparc*-sun-solaris2.[567]* from target lists.
1854         * configure: Regenerate.
1855         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1856         removal.
1857         Remove Solaris 7 patch references.
1858         (Specific, sparc-sun-solaris2.7): Removed.
1859         (sparc-sun-solaris2*): Update Solaris 7 example.
1860         (sparc64-*-solaris2*): Likewise.
1861
1862 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1863
1864         * config.build (alpha*-dec-osf4*): Remove.
1865         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1866         of obsolete configurations.
1867         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1868         support.
1869         * config/alpha/t-osf4: Renamed to ...
1870         * config/alpha/t-osf5: ... this.
1871         * config/alpha/osf.h: Renamed to ...
1872         * config/alpha/osf5.h: ... this.
1873         Merged old osf5.h contents.
1874         Update comments.
1875         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1876         (EXTRA_SPECS): Removed.
1877         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1878         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1879         Document that.
1880
1881 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1882
1883         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1884
1885 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1886
1887         PR/43702
1888         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1889         __thiscall convention.
1890
1891 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1892
1893         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1894         orig_base.
1895         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1896
1897 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1898
1899         * function.c (assign_parms_initialize_all): Add unused attribute
1900         to fntype.
1901
1902 2010-04-12  Richard Guenther  <rguenther@suse.de>
1903
1904         * gsstruct.def (GSS_CALL): New.
1905         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1906         * gimple.h: Include tree-ssa-alias.h.
1907         (struct gimple_statement_call): New.
1908         (union gimple_statement_struct_d): Add gimple_call member.
1909         (gimple_call_reset_alias_info): Declare.
1910         (gimple_call_use_set): New function.
1911         (gimple_call_clobber_set): Likewise.
1912         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1913         * gimple.c (gimple_call_reset_alias_info): New function.
1914         (gimple_build_call_1): Call it.
1915         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1916         * tree-inline.c (remap_gimple_stmt): Likewise.
1917         (expand_call_inline): Remove callused handling.
1918         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1919         * tree-dfa.c (dump_variable): Likewise.
1920         * tree-parloops.c (parallelize_loops): Likewise.
1921         * tree-ssa.c (init_tree_ssa): Likewise.
1922         (delete_tree_ssa): Likewise.
1923         * tree-flow-inline.h (is_call_used): Remove.
1924         * tree-flow.h (struct gimple_df): Remove callused member.
1925         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1926         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1927         (ref_maybe_used_by_call_p_1): Simplify.
1928         (call_may_clobber_ref_p_1): Likewise.
1929         * tree-ssa-structalias.c (compute_points_to_sets): Set
1930         the call stmt used and clobbered sets.
1931         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1932         (find_tail_calls): Verify the tail call.
1933
1934 2010-04-12  Richard Guenther  <rguenther@suse.de>
1935
1936         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1937         single-iteration always-inline inlining.
1938         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1939         (cgraph_decide_inlining): Do not handle always-inline specially.
1940         (try_inline): Remove always-inline cycle detection special case.
1941         Do not recurse on always-inlines.
1942         (cgraph_early_inlining): Do not iterate if not optimizing.
1943         (cgraph_gate_early_inlining): remove.
1944         (pass_early_inline): Run unconditionally.
1945         (gate_cgraph_decide_inlining): New function.
1946         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1947         not inlining or optimizing.
1948         (cgraph_decide_inlining_of_small_functions): Also consider
1949         always-inline functions.
1950         (cgraph_default_inline_p): Return true for nodes which should
1951         disregard inline limits.
1952         (estimate_function_body_sizes): Assume zero size and time for
1953         nodes which are marked as disregarding inline limits.
1954         (cgraph_decide_recursive_inlining): Do not perform recursive
1955         inlining on always-inline nodes.
1956
1957 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1958
1959         PR bootstrap/43699
1960         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1961         for exprs satisfying handled_component_p.
1962
1963 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1964
1965         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1966         non-constant aggregate elements.
1967
1968         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1969         is a real initialization.
1970
1971 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1972
1973         PR c/36774
1974         * c-decl.c (start_function): Move forward check for nested function.
1975
1976 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1977
1978         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1979         * config/sh/sh.c: Include reload.h.
1980         (sh_legitimize_reload_address): New.
1981         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1982         sh_legitimize_reload_address.
1983
1984 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1985
1986         * config/sh/sh.md (*movqi_pop): New insn pattern.
1987         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1988
1989 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1990
1991         * config/i386/i386.md (any_shiftrt): New code iterator.
1992         (shiftrt_insn): New code attribute.
1993         (shiftrt): Ditto.
1994         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1995         using any_shiftrt code iterator.
1996         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1997         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1998         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1999         pattern from corresponding peephole2 patterns.
2000         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2001         using any_shiftrt code iterator.
2002         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2003         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2004         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2005         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2006         *{ashr,lshr}<mode>3_cmp_zext.
2007         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2008
2009 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2010
2011         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2012         scratch register.
2013         (*lshr<mode>3_cconly): Ditto.
2014
2015 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2018         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2019         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2020         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2021         DWI mode iterator.
2022         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2023         from corresponding peephole2 patterns.
2024         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2025         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2026         and *lshrdi3_1_rex64 using SWI mode iterator.
2027         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2028         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2029         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2030         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2031         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2032         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2033         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2034         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2035         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2036         SWI mode iterator.
2037
2038 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2039
2040         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2041         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2042         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2043         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2044         DWI mode iterator.
2045         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2046         from corresponding peephole2 patterns.
2047         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2048         (ashrsi3_cvt): Rename from ashrsi3_31.
2049         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2050         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2051         and x86_64_shift_adj_3 using SWI48 mode iterator.
2052         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2053         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2054         and *ashrdi3_1_rex64 using SWI mode iterator.
2055         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2056         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2057         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2058         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2059         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2060         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2061         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2062         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2063         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2064         SWI mode iterator.
2065         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2066         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2067         x86_shift<mode>_adj_3 expanders.
2068
2069 2010-04-10  Wei Guozhi  <carrot@google.com>
2070
2071         PR target/42601
2072         * config/arm/arm.c (arm_pic_static_addr): New function.
2073         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2074         a static symbol.
2075         (arm_output_addr_const_extra): Output expression for new pattern.
2076         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2077
2078 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2079
2080         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2081         not enabled.
2082
2083         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2084         * web.c: Include "insn-config.h" and "recog.h".
2085         (union_match_dups): New function.
2086         (web_main): Call it.
2087         (union_defs): Don't try to recognize match_dups.
2088
2089         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2090         if doing so would replace the entire pattern.
2091
2092 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2093
2094         PR target/43707
2095         PR target/43709
2096         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2097         and splitter pattern.  Change splitter operand 1 predicate to
2098         nonmemory_operand.
2099
2100 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2101
2102         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2103         lattices are addresses of CONST_DECLs with the same initial value.
2104         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2105         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2106
2107 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2108             Bernd Schmidt  <bernds@codesourcery.com>
2109
2110         * loop-invariant.c (replace_uses): New static function.
2111         (move_invariant_reg): Use it to ensure we can replace the uses.
2112
2113 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2114
2115         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2116         function template.
2117         (picochip_override_options): Enable section anchors only above -O1.
2118         (picochip_reorg): Fixed a couple of build warnings.
2119
2120 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2121
2122         * configure.ac (plugin -rdynamic test): Log result.
2123         * configure: Regenerate.
2124         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2125         (RDYNAMIC_SPEC): Define.
2126         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2127
2128 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2129
2130         * configure.ac: Determine Sun ld version numbers.
2131         (comdat_group): Restrict GNU ld version checks to gld.
2132         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2133         (enable_comdat): Support --enable-comdat.
2134         * configure: Regenerate.
2135         * doc/install.texi (Configuration): Document --enable-comdat.
2136
2137 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2138
2139         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2140         * config/sol2-gld.h: ... here.
2141         * config.gcc (sparc*-*-solaris2*): Reflect this.
2142         (i[34567]86-*-solaris2*): Use it.
2143
2144 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2145
2146         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2147         setup_clocks_p.
2148         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2149
2150 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2151
2152         PR 42965
2153         * diagnostic.c (diagnostic_initialize): Initialize
2154         some_warnings_are_errors.
2155         (diagnostic_finish): New.
2156         (diagnostic_action_after_output): Call it before exiting.
2157         (diagnostic_report_diagnostic): Do not print message here. Set
2158         some_warnings_are_errors.
2159         * diagnostic.h (diagnostic_context): Delete
2160         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2161         (diagnostic_finish): Declare.
2162         * toplev.c (toplev_main): Call it before exit.
2163
2164 2010-04-09  Jason Merrill  <jason@redhat.com>
2165
2166         PR c++/42623
2167         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2168         for incomplete type.
2169
2170         PR c++/41788
2171         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2172         based on a warning flag.
2173
2174 2010-04-09  Richard Guenther  <rguenther@suse.de>
2175
2176         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2177
2178 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2179
2180         PR bootstrap/43684
2181         * varasm.c (default_assemble_visibility): Wrap vars that are
2182         set, but unused, by targets without GAS.
2183         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2184         Remove set, but unused, vars.
2185         (rs6000_legitimize_tls_address): Likewise.
2186         (altivec_expand_dst_builtin): Likewise.
2187         * config/darwin.c (machopic_classify_symbol): Likewise.
2188         (machopic_indirection_name): Likewise.
2189
2190 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2191
2192         * config/i386/i386.md (DWI): New mode iterator.
2193         (S): New mode attribute.
2194         (shift_operand): Ditto.
2195         (shift_immediate_operand): Ditto.
2196         (ashl_input_operand): Ditto.
2197         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2198         using SDWIM mode iterator.
2199         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2200         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2201         DWI mode iterator.
2202         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2203         from corresponding peephole2 patterns.
2204         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2205         and x86_64_shift_adj_1 using SWI48 mode iterator.
2206         (x86_shift<mode>_adj_2): Ditto.
2207         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2208         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2209         using SWI48 mode iterator.
2210         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2211         *ashldi3_cmp_rex64 using SWI mode iterator.
2212         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2213         *ashldi3_cconly_rex64 using SWI mode iterator.
2214         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2215         x86_shift<mode>_adj_{1,2}.
2216         (ix86_split_ashr): Ditto.
2217         (ix86_split_lshr): Ditto.
2218
2219 2010-04-09  Richard Guenther  <rguenther@suse.de>
2220
2221         * target.h (builtin_conversion): Pass in input and output types.
2222         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2223         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2224         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2225         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2226
2227         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2228         Handle AVX modes.
2229         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2230
2231 2010-04-09  Richard Guenther  <rguenther@suse.de>
2232
2233         PR target/43152
2234         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2235
2236 2010-04-09  Richard Guenther  <rguenther@suse.de>
2237
2238         * tree-vectorizer.h (struct _stmt_vec_info): Document
2239         that vectype is the type of the LHS.
2240         (supportable_widening_operation, supportable_narrowing_operation):
2241         Get both input and output vector types as arguments.
2242         (vect_is_simple_use_1): Declare.
2243         (get_same_sized_vectype): Likewise.
2244         * tree-vect-loop.c (vect_determine_vectorization_factor):
2245         Set STMT_VINFO_VECTYPE to the vector type of the def.
2246         (vectorizable_reduction): Adjust.
2247         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2248         Adjust.  Specify the output vector type.
2249         (vect_pattern_recog_1): Adjust.
2250         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2251         (vectorizable_call): Adjust.
2252         (vectorizable_conversion): Likewise.
2253         (vectorizable_operation): Likewise.
2254         (vectorizable_type_demotion): Likewise.
2255         (vectorizable_type_promotion): Likewise.
2256         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2257         the def.
2258         (vect_is_simple_use_1): New function.
2259         (supportable_widening_operation): Get both input and output
2260         vector types.
2261         (supportable_narrowing_operation): Likewise.
2262         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2263
2264 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2265
2266         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2267         __thiscall and _thiscall as predefined macros.
2268         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2269         thiscall attribute handling.
2270         (ix86_comp_type_attributes): Likewise.
2271         (ix86_function_regparm): Likewise.
2272         (ix86_return_pops_args): Likewise.
2273         (init_cumulative_args): Likewise.
2274         (find_drap_reg): Likewise.
2275         (ix86_static_chain): Likewise.
2276         (x86_this_parameter): Likewise.
2277         (x86_output_mi_thunk): Likewise.
2278         (ix86_attribute_table): Add description for thiscall attribute.
2279         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2280         * doc/extend.texi: Add documentation for thiscall.
2281
2282 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2283
2284         PR c++/28584
2285         * c.opt (Wint-to-pointer-cast): Available in C++.
2286         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2287
2288 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2289
2290         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2291         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2292         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2293         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2294         function type instead.  Reorder and simplify checks.
2295
2296         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2297
2298 2010-04-08  Jing Yu  <jingyu@google.com>
2299             Zdenek Dvorak  <ook@ucw.cz>
2300
2301         PR tree-optimization/42720
2302         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2303         loop unswitch conditions here from ...
2304         (tree_unswitch_single_loop): ... here.
2305
2306 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2307
2308         * tree-if-conv.c: Fix comments and simplify logic.
2309
2310 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2313         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2314         (main_tree_if_conversion): Update call to tree_if_conversion.
2315
2316 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2317
2318         PR 42485
2319         * doc/invoke.texi (-b,-V): Delete.
2320         * doc/tm.texi: Do not mention -b.
2321         * gcc.c (display_help): Delete -b and -V.
2322         (process_command): Delete -b and -V.
2323         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2324
2325 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2326             Wolfgang Gellerich  <gellerich@de.ibm.com>
2327
2328         Implement target hook for loop unrolling
2329         * target.h (loop_unroll_adjust): Add a new target hook function.
2330         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2331         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2332         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2333         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2334         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2335         target hook.
2336         (decide_unroll_stupid): Likewise.
2337
2338 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2339
2340         PR target/43643
2341         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2342
2343 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2344
2345         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2346         (Specific, *-*-solaris2*): Likewise.
2347         Don't prefer Sun as over GNU as.
2348
2349 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2350
2351         * config/s390/s390.c (override_options): Adjust the z10
2352           defaults for max-unroll-times, max-completely-peeled-insns
2353           and max-completely-peel-times.
2354
2355 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2356
2357         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2358         instructions for z10.
2359         (s390_expand_setmem): Likewise.
2360         (s390_expand_cmpmem): Likewise.
2361
2362 2010-04-08  Richard Guenther  <rguenther@suse.de>
2363
2364         PR tree-optimization/43679
2365         * tree-ssa-pre.c (eliminate): Only propagate copies.
2366
2367 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2368
2369         PR bootstrap/43681
2370         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2371         set but not used variable warning.
2372
2373 2010-04-08  Wei Guozhi  <carrot@google.com>
2374
2375         PR target/41653
2376         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2377         (arm_size_rtx_costs): Call the new function when optimized for size.
2378
2379 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR debug/43670
2382         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2383         op0 is not a MEM, just return NULL instead of assertion
2384         failure.
2385         (discover_nonconstant_array_refs): Don't walk debug stmts.
2386
2387 2010-04-08  Doug Kwan  <dougkwan@google.com>
2388
2389         * configure.ac: Recognize gold and do not use its version number
2390         to test ld features.
2391         * configure: Regenerate.
2392
2393 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2394
2395         PR middle-end/40815
2396         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2397         (negate_value): Move code to push elements to broken_up_substracts ...
2398         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2399         negative pair to plus_negates.
2400         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2401
2402 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2403
2404         * doc/install.texi (Configuration): Move description of
2405         --enable-lto, --with-libelf*, --enable-gold from Java section to
2406         general section.
2407
2408         * doc/generic.texi (Working with declarations)
2409         (Function Properties, C and C++ Trees): Fix typos.
2410         * doc/sourcebuild.texi (Top Level): Likewise.
2411
2412 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2413
2414         PR c/18624
2415         * tree.h (DECL_READ_P): Define.
2416         (struct tree_decl_common): Add decl_read_flag.
2417         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2418         a set but not used warning.
2419         (merge_decls): Merge DECL_READ_P flag.
2420         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2421         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2422         * c-common.c (handle_used_attribute, handle_unused_attribute):
2423         Likewise.
2424         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2425         New prototypes.
2426         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2427         New functions.
2428         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2429         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2430         c_parser_binary_expression, c_parser_cast_expression,
2431         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2432         Call default_function_array_read_conversion instead of
2433         default_function_array_conversion where needed.
2434         (c_parser_unary_expression, c_parser_conditional_expression,
2435         c_parser_postfix_expression_after_primary, c_parser_initelt):
2436         Likewise.  Call mark_exp_read where needed.
2437         (c_parser_statement_after_labels, c_parser_asm_operands,
2438         c_parser_typeof_specifier, c_parser_sizeof_expression,
2439         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2440         where needed.
2441         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2442         New.
2443         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2444         (warn_unused_but_set_parameter): Default to warn_unused
2445         && extra_warnings.
2446         * doc/invoke.texi: Document -Wunused-but-set-variable and
2447         -Wunused-but-set-parameter.
2448
2449         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2450         used count variable.
2451         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2452         when operandN variables aren't used in the body of the expander
2453         or splitter.
2454         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2455         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2456         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2457         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2458         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2459         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2460         * tree.c (PROCESS_ARG): Likewise.
2461
2462 2010-04-07  Simon Baldwin  <simonb@google.com>
2463
2464         * diagnostic.h (diagnostic_override_option_index): New macro to
2465         set a diagnostic's option_index.
2466         * c-tree.h (c_cpp_error): Add warning reason argument.
2467         * opts.c (_warning_as_error_callback): New.
2468         (register_warning_as_error_callback): Store callback for
2469         warnings enabled via enable_warning_as_error.
2470         (enable_warning_as_error): Call callback, minor code tidy.
2471         * opts.h (register_warning_as_error_callback): Declare.
2472         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2473         response to -Werror=.
2474         (c_common_init_options): Register warning_as_error_callback in opts.c.
2475         * common.opt: Add -Wno-cpp option.
2476         * c-common.c (struct reason_option_codes_t): Map cpp warning
2477         reason codes to gcc option indexes.
2478         * (c_option_controlling_cpp_error): New function, lookup the gcc
2479         option index for a cpp warning reason code.
2480         * (c_cpp_error): Add warning reason argument, call
2481         c_option_controlling_cpp_error for diagnostic_override_option_index.
2482         * doc/invoke.texi: Document -Wno-cpp.
2483
2484 2010-04-07  Richard Guenther  <rguenther@suse.de>
2485
2486         * ipa-reference.c (mark_load): Use get_base_address.
2487         (mark_store): Likewise.
2488
2489         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2490         inserting GIMPLE_NOPs into the IL.
2491         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2492         Explicitly strip handled components and indirect references.
2493
2494         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2495         folding address expressions.
2496         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2497         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2498         operand_equal_p to compare decls.
2499         (ptr_deref_may_alias_decl_p): Likewise.
2500         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2501         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2502         Handle reversed comparison ops.
2503         * tree-sra.c (asm_visit_addr): Use get_base_address.
2504         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2505         * ipa-reference.c (mark_address): Use get_base_address.
2506
2507 2010-04-07  Richard Guenther  <rguenther@suse.de>
2508
2509         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2510         Propagate constants everywhere.
2511
2512 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2513
2514         PR debug/43516
2515         * tree.c (MAX_INT_CACHED_PREC): Define.
2516         (nonstandard_integer_type_cache): New array.
2517         (build_nonstandard_integer_type): Cache results for precision
2518         <= MAX_INT_CACHED_PREC.
2519
2520 2010-04-07  Richard Guenther  <rguenther@suse.de>
2521
2522         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2523         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2524         * common.opt: Likewise.
2525         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2526         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2527         (nonoverlapping_memrefs_p): Likewise.
2528         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2529         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2530         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2531         OPT_fargument_noalias_global for backward compatibility.
2532
2533 2010-04-07  Richard Guenther  <rguenther@suse.de>
2534
2535         PR tree-optimization/43270
2536         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2537         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2538         * tree-ssa-pre.c (phi_translate_1): Adjust.
2539         (fully_constant_expression): Split out vn_reference handling to ...
2540         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2541         Fold reads from constant strings.
2542         (vn_reference_lookup): Handle fully constant references.
2543         (vn_reference_lookup_pieces): Likewise.
2544         * Makefile.in (expmed.o-warn): Add -Wno-error.
2545
2546 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2547
2548         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2549
2550 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2551
2552         PR driver/41594
2553         * gcc.c: Add -static-libstdc++ to list of recognized options.
2554
2555 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2556
2557         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2558
2559 2010-04-07  Richard Guenther  <rguenther@suse.de>
2560
2561         PR middle-end/42617
2562         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2563         bases build simple mem attributes to retain points-to information.
2564
2565 2010-04-07  Richard Guenther  <rguenther@suse.de>
2566
2567         PR middle-end/42617
2568         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2569         preserve points-to related information.
2570
2571 2010-04-07  Richard Guenther  <rguenther@suse.de>
2572
2573         PR middle-end/42617
2574         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2575         discard plain indirect references.
2576         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2577         * tree.c (tree_nop_conversion): Likewise.
2578
2579 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2580
2581         PR debug/43628
2582         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2583
2584 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2585
2586         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2587         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2588
2589 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2590
2591         * tree-if-conv.c: Fix indentation and comments.
2592
2593 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2594
2595         * tree-if-conv.c: Sort static functions in topological order.
2596
2597 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2598
2599         * tree-if-conv.c: Fix indentation and comments.
2600
2601 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         PR middle-end/43519
2604         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2605         lang_hooks.types.type_for_size instead of
2606         build_nonstandard_integer_type.
2607         When converting an unsigned type to signed, double its precision.
2608         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2609         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2610         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2611         use lb <= ub.
2612
2613 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2614
2615         PR middle-end/43519
2616         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2617         POINTER_PLUS_EXPR for pointer types.
2618
2619 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         PR middle-end/43519
2622         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2623         * graphite-clast-to-gimple.c: Include langhooks.h.
2624         (max_signed_precision_type): New.
2625         (max_precision_type): Takes two types as arguments.
2626         (precision_for_value): New.
2627         (precision_for_interval): New.
2628         (gcc_type_for_interval): New.
2629         (gcc_type_for_value): New.
2630         (gcc_type_for_clast_term): New.
2631         (gcc_type_for_clast_red): New.
2632         (gcc_type_for_clast_bin): New.
2633         (gcc_type_for_clast_expr): Split up into several functions.
2634         (gcc_type_for_clast_eq): Rewritten.
2635         (compute_bounds_for_level): New.
2636         (compute_type_for_level_1): New.
2637         (compute_type_for_level): New.
2638         (gcc_type_for_cloog_iv): Removed.
2639         (gcc_type_for_iv_of_clast_loop): Rewritten.
2640         (graphite_create_new_loop): Compute the lower and upper bound types
2641         with gcc_type_for_clast_expr.
2642         (graphite_create_new_loop_guard): Same.
2643         (find_cloog_iv_in_expr): Removed.
2644         (compute_cloog_iv_types_1): Removed.
2645         (compute_cloog_iv_types): Removed.
2646         (gloog): Do not call compute_cloog_iv_types.
2647         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2648         GBB_CLOOG_IV_TYPES.
2649         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2650         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2651         (GBB_CLOOG_IV_TYPES): Removed.
2652
2653 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2654
2655         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2656         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2657         (detect_commutative_reduction): Same.
2658
2659 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2660
2661         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2662         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2663         argument.
2664         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2665         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2666         (rewrite_commutative_reductions_out_of_ssa): Same.
2667         * passes.c (execute_function_todo): Call verify_ssa for every pass
2668         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2669         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2670         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2671         with an extra argument.
2672         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2673         verify_ssa only when the extra argument is true.
2674         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2675         with an extra argument.
2676         (tree_transform_and_unroll_loop): Same.
2677
2678 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2679
2680         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2681         for all the passes of the LNO having LOOP_CLOSED_SSA.
2682         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2683         * tree-loop-distribution.c (pass_loop_distribution): Same.
2684         * tree-pass.h (TODO_verify_loops): Removed.
2685         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2686         (pass_lim): Same.
2687         (pass_tree_unswitch): Same.
2688         (pass_predcom): Same.
2689         (pass_vectorize): Same.
2690         (pass_linear_transform): Same.
2691         (pass_graphite_transforms): Same.
2692         (pass_iv_canon): Same.
2693         (pass_complete_unroll): Same.
2694         (pass_complete_unrolli): Same.
2695         (pass_parallelize_loops): Same.
2696         (pass_loop_prefetch): Same.
2697         (pass_iv_optimize): Same.
2698
2699 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2700
2701         PR middle-end/32824
2702         * passes.c (init_optimization_passes): Move pass_lim before
2703         pass_copy_prop and pass_dce_loop.
2704
2705 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR target/43667
2708         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2709         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2710         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2711         MULTI_* defines for 4 argument vpermil2p* builtins.
2712
2713 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2714
2715         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2716         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2717         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2718         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2719         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2720         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2721         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2722         Use x86_maybe_negate_const_int to output insn mnemonic.
2723         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2724         check from instruction predicate.  Update comments.
2725         * config/i386/sync.md (sync_add<mode>): Use
2726         x86_maybe_negate_const_int to output insn mnemonic.
2727
2728 2010-04-06  Jan Hubicka  <jh@suse.cz>
2729
2730         PR tree-optimization/42906
2731         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2732         IGNORE_SELF argument.  Set visited_control_parents for fully
2733         processed BBs.
2734         (find_obviously_necessary_stmts): Update call of
2735         mark_control_dependent_edges_necessary.
2736         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2737
2738 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2739
2740         * config/i386/i386.md: Remove comment about 'e' and 'E'
2741         operand modifier.
2742
2743 2010-04-06  Richard Guenther  <rguenther@suse.de>
2744
2745         PR tree-optimization/43627
2746         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2747         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2748         not varying.
2749
2750 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2751
2752         * BASE-VER: Change to 4.6.0.
2753
2754         PR target/43638
2755         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2756         handling.
2757
2758 2010-04-06  Richard Guenther  <rguenther@suse.de>
2759
2760         PR middle-end/43661
2761         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2762
2763 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2764
2765         * doc/invoke.texi (Optimize Options): Document that LTO
2766         won't remove object access purely due to incompatible
2767         declarations.
2768
2769 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2770
2771         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2772         Initialize variable.
2773
2774 2010-04-03  Richard Guenther  <rguenther@suse.de>
2775
2776         PR middle-end/42509
2777         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2778         require a non-NULL MEM_OFFSET.
2779
2780 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2781
2782         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2783         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2784         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2785         config/alpha/predicates.md, config/arm/arm.md,
2786         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2787         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2788         config/darwin9.h, config/darwin.c, config/darwin.h,
2789         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2790         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2791         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2792         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2793         config/mips/mips.md, config/mn10300/mn10300.c,
2794         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2795         config/rs6000/aix.h, config/rs6000/dfp.md,
2796         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2797         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2798         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2799         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2800         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2801         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2802         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2803         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2804         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2805         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2806         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2807         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2808         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2809         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2810         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2811         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2812         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2813         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2814         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2815         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2816         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2817         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2818         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2819         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2820         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2821         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2822         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2823         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2824         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2825         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2826         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2827         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2828         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2829         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2830         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2831         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2832
2833 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2834
2835         PR other/43620
2836         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2837         * aclocal.m4: Regenerate.
2838
2839 2010-04-02  Richard Guenther  <rguenther@suse.de>
2840
2841         PR tree-optimization/43629
2842         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2843         if we have seen a constant value.
2844
2845 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2846
2847         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2848
2849 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2850
2851         PR target/43469
2852         * arm.c (legitimize_tls_address): Adjust call to
2853         gen_tls_load_dot_plus_four.
2854         (arm_note_pic_base): New function.
2855         (arm_cannot_copy_insn_p): Use it.
2856         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2857         constraint.
2858
2859 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2860
2861         PR bootstrap/43531
2862
2863         Revert:
2864         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2865
2866         * Makefile.in ($(out_object_file)): Depend on
2867         gt-$(basename $(notdir $(out_file))).h.
2868
2869 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2870
2871         * config.gcc (lm32-*-rtems*): Add t-lm32.
2872
2873 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2874
2875         * config.gcc: Add lm32-*-rtems*.
2876         * config/lm32/rtems.h: New file.
2877
2878 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2879
2880         PR target/42609
2881         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2882
2883 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2884
2885         * dwarf2out.c (output_compilation_unit_header): For
2886         -gdwarf-4 use version 4 instead of version 3.
2887         (output_line_info): For version 4 and above emit additional
2888         maximum ops per insn header field.
2889         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2890
2891         * dwarf2out.c (is_c_family, is_java): Remove.
2892         (lower_bound_default): New function.
2893         (add_bound_info, gen_descr_array_type_die): Use it.
2894
2895 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2896
2897         PR debug/43325
2898         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2899         re-declaration when it happens in a function.
2900
2901 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2902
2903         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2904         (cgraph_remove_function_insertion_hook): Same.
2905         (cgraph_call_function_insertion_hooks): Same.
2906
2907 2010-04-01  Richard Guenther  <rguenther@suse.de>
2908
2909         PR middle-end/43614
2910         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2911         and TREE_THIS_VOLATILE.
2912         (copy_ref_info): Likewise.
2913         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2914         * tree.c (build6_stat): Ignore side-effects of all but arg5
2915         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2916         TARGET_MEM_REF.
2917
2918 2010-04-01  Richard Guenther  <rguenther@suse.de>
2919
2920         PR tree-optimization/43607
2921         * ipa-type-escape.c (check_call): Do not access non-existing
2922         arguments.
2923
2924 2010-04-01  Richard Guenther  <rguenther@suse.de>
2925
2926         PR middle-end/43602
2927         Revert
2928         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2929                     Jack Howarth <howarth@bromo.med.uc.edu>
2930
2931         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2932         variables TLS.
2933
2934 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2935
2936         * doc/install.texi (Prerequisites): Document libelf usability on
2937         IRIX 5/6 and Solaris 2.
2938         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2939         Update GNU as, GNU ld requirements.
2940         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2941         Document Sun Studio compiler download.
2942         Update and simplify as, ld recommendations.
2943         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2944
2945 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2946
2947         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2948         with_tune_32 to pentium4.
2949
2950 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2951
2952         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2953
2954 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2955
2956         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2957         obsoletion, removal.
2958         Update IDO URL.
2959         Document GNU as requirement.
2960         Update configure requirements.
2961         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2962         Recomment IRIX 6.5.18+.
2963         Document IDF/IDL requirement.
2964         Document GNU as requirement.
2965         Document GNU ld bootstrap failure.
2966         Remove freeware.sgi.com reference.
2967
2968 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2969
2970         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2971         UNIX V4.0, V5.0 obsoletion, removal.
2972         Remove --with-gc=simple reference.
2973         Update VM requirements during bootstrap.
2974         Remove -oldas bootstrap description.
2975         Update binutils reference.
2976         Remove comparison failure note.
2977
2978 2010-03-31  Richard Guenther  <rguenther@suse.de>
2979             Zdenek Dvorak  <ook@ucw.cz>
2980             Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         PR middle-end/43464
2983         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2984         with multiple arguments.
2985         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2986
2987 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2988
2989         * graphite-dependences.c (print_pddr): Call print_pdr with an
2990         extra argument.
2991         * graphite-poly.c (debug_pdr): Add an extra argument for the
2992         verbosity level.
2993         (print_pdr): Same.
2994         (print_pbb_domain): Same.
2995         (print_pbb): Same.
2996         (print_scop_context): Same.
2997         (print_scop): Same.
2998         (print_cloog): Same.
2999         (debug_pbb_domain): Same.
3000         (debug_pbb): Same.
3001         (print_pdrs): Same.
3002         (debug_pdrs): Same.
3003         (debug_scop_context): Same.
3004         (debug_scop): Same.
3005         (debug_cloog): Same.
3006         (print_scop_params): Same.
3007         (debug_scop_params): Same.
3008         (print_iteration_domain): Same.
3009         (print_iteration_domains): Same.
3010         (debug_iteration_domain): Same.
3011         (debug_iteration_domains): Same.
3012         (print_scattering_function): Same.
3013         (print_scattering_functions): Same.
3014         (debug_scattering_function): Same.
3015         (debug_scattering_functions): Same.
3016         * graphite-poly.h (debug_pdr): Update declaration.
3017         (print_pdr): Same.
3018         (print_pbb_domain): Same.
3019         (print_pbb): Same.
3020         (print_scop_context): Same.
3021         (print_scop): Same.
3022         (print_cloog): Same.
3023         (debug_pbb_domain): Same.
3024         (debug_pbb): Same.
3025         (print_pdrs): Same.
3026         (debug_pdrs): Same.
3027         (debug_scop_context): Same.
3028         (debug_scop): Same.
3029         (debug_cloog): Same.
3030         (print_scop_params): Same.
3031         (debug_scop_params): Same.
3032         (print_iteration_domain): Same.
3033         (print_iteration_domains): Same.
3034         (debug_iteration_domain): Same.
3035         (debug_iteration_domains): Same.
3036         (print_scattering_function): Same.
3037         (print_scattering_functions): Same.
3038         (debug_scattering_function): Same.
3039         (debug_scattering_functions): Same.
3040
3041 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         * graphite-poly.c (print_scattering_function_1): New.
3044         (print_scattering_function): Call it.
3045         (print_scop_params): Remove spaces at the end of lines.
3046         (print_cloog): New.
3047         (debug_cloog): New.
3048         * graphite-poly.h (print_cloog): Declared.
3049         (debug_cloog): Declared.
3050
3051 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3052
3053         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3054         in loop->header.
3055         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3056         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3057         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3058         to switch between adding the IV bump in loop->latch or in loop->header.
3059
3060 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3061
3062         * graphite-poly.c (print_scattering_function): Pretty print following
3063         the scoplib format.
3064         (print_pdr): Same.
3065         (print_pbb_domain): Same.
3066         (dump_gbb_cases): Same.
3067         (dump_gbb_conditions): Same.
3068         (print_pdrs): Same.
3069         (print_pbb): Same.
3070         (print_scop_params): Same.
3071         (print_scop_context): Same.
3072         (print_scop): Same.
3073         (print_pbb_body): New.
3074         (lst_indent_to): New.
3075         (print_lst): Start new lines with a #.
3076         * graphite-poly.h (pbb_bb): New.
3077         (pbb_index): Use pbb_bb.
3078         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3079         disjuncts.
3080         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3081
3082 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3083
3084         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3085         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3086         and 0 instead of 1 for dw_val_class_flag.
3087         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3088         dw_val_class_range_list, dw_val_class_loc_list,
3089         dw_val_class_lineptr and dw_val_class_macptr, use
3090         DW_FORM_flag_present for dw_val_class_flag and
3091         DW_FORM_exprloc for dw_val_class_loc.
3092         (output_die): For -gdwarf-4 print dw_val_class_loc
3093         size as uleb128 instead of 1 or 2 bytes and don't print
3094         anything for dw_val_class_flag.
3095
3096         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3097         instead of cselib_lookup following by tweaking locs->setting_insn.
3098
3099         PR bootstrap/43596
3100         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3101         even before returning from label, setjmp call or volatile asm
3102         handling.
3103
3104 2010-03-31  Richard Guenther  <rguenther@suse.de>
3105
3106         PR middle-end/43600
3107         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3108         temporary data on stack.
3109
3110 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3111
3112         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3113         (PUSHSECTION_ASM_OP): Remove.
3114         (POPSECTION_ASM_OP): Remove.
3115         (PUSHSECTION_FORMAT): Remove.
3116         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3117         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3118         * config/sol2.c (solaris_output_init_fini): Use it.
3119
3120 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3121
3122         PR 43574
3123         * opt-functions.awk (var_type_struct): Use signed char type
3124         for simple variables.
3125
3126 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3127
3128         * config/sol2.c: Include output.h.
3129         (solaris_assemble_visibility): New function.
3130         * config/t-sol2 (sol2.o): Add output.h dependency.
3131         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3132         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3133         Redefine.
3134
3135 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3136
3137         PR target/43580
3138         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3139         V2SImode or XFmode on PRE_DEC.
3140
3141         PR debug/43557
3142         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3143         BLKmode.
3144
3145 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3146
3147         PR 43562
3148         * reload.h (caller_save_initialized_p): Declare.
3149         * toplev.c (backend_init_target): Don't call
3150         init_caller_save but set caller_save_initialized_p to false.
3151         * caller-save.c (caller_save_initialized_p): Define.
3152         (init_caller_save): Check caller_save_initialized_p.
3153         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3154
3155 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3156
3157         PR target/39048
3158         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3159         and soft-fp/t-softfp to tmake_file.
3160         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3161         (LIBGCC2_TF_CEXT): Define.
3162         (TF_SIZE): Define.
3163
3164 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3165
3166         PR debug/42977
3167         * cselib.c (n_useless_values): Document handling of debug locs.
3168         (n_useless_debug_values, n_debug_values): New variables.
3169         (new_elt_loc_list): Don't add to debug values, keep count.
3170         (promote_debug_loc): New.
3171         (cselib_reset_table): Zero new variables.
3172         (entry_and_rtx_equal_p): Promote debug locs.
3173         (discard_useless_locs): Increment n_useless_debug_values for
3174         debug values.
3175         (remove_useless_values): Adjust n_useless_values and n_debug_values
3176         with n_useless_debug_values.
3177         (add_mem_for_addr): Promote debug locs.
3178         (cselib_lookup_mem): Likewise.
3179         (cselib_lookup_addr): Renamed to...
3180         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3181         (cselib_log_lookup): ... this.  Turn into...
3182         (cselib_lookup_addr): ... new wrapper.
3183         (cselib_lookup_from_insn): New.
3184         (cselib_invalidate_regno): Increment n_useless_debug_values for
3185         debug values.
3186         (cselib_invalidate_mem): Likewise.
3187         (cselib_process_insn): Take n_deleted and n_debug_values into
3188         account to guard remove_useless_value call.
3189         (cselib_finish): Zero n_useless_debug_values.
3190         * cselib.h (cselib_lookup_from_insn): Declare.
3191         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3192         (sched_analyze_2): Likewise.
3193
3194 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3195
3196         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3197         functions.
3198         (adjust_mems): Replace narrowing SUBREG of expression containing
3199         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3200         with operations in the narrower mode.
3201
3202         PR debug/43593
3203         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3204         regs_invalidated_by_call instead all call_used_reg_set registers.
3205
3206 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         PR middle-end/43430
3209         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3210         pointer comparisons with types_compatible_p.
3211         * tree-vect-stmts.c (vectorizable_call): Same.
3212         (vectorizable_condition): Same.
3213
3214 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3215
3216         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3217         stack check if the mask would be zero.
3218
3219 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3220             Jack Howarth <howarth@bromo.med.uc.edu>
3221
3222         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3223         variables TLS.
3224
3225 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3226
3227         PR other/25232
3228         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3229         and __unordtf2.
3230         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3231         Include ___unordxf2 and ___unordtf2.
3232         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3233         GCC_4.4.0 here.
3234
3235 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3236
3237         * config/lm32/t-lm32: New file.
3238         * config.gcc: Use the above file when targetting lm32.
3239
3240 2010-03-28  Duncan Sands  <baldrick@free.fr>
3241
3242         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3243
3244 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3245
3246         PR middle-end/43431
3247         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3248         Improve vectorization cost model diagnostic.
3249
3250 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3251
3252         PR middle-end/43436
3253         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3254         compute_data_dependences_for_loop returns false, early exit
3255         and output an extra diagnostic for the failed data reference
3256         analysis.
3257
3258 2010-03-29  Richard Guenther  <rguenther@suse.de>
3259
3260         PR tree-optimization/43560
3261         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3262         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3263
3264 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3265
3266         PR 43564
3267         * toplev.c (process_options): Set optimization_default_node
3268         and optimization_current_node.
3269         * opts.c (decode_options): Don't set optimization_default_node
3270         and optimization_current_node.
3271
3272 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3273
3274         * config/rtems.h: Abandon -qrtems_debug.
3275
3276 2010-03-28  Jan Hubicka  <jh@suse.cz>
3277
3278         PR tree-optimization/43505
3279         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3280         map should not be copied.
3281
3282 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3283
3284         PR middle-end/41674
3285         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3286         cdtors, set DECL_PRESERVE_P.
3287         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3288         should be preseved.
3289
3290 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3291
3292         PR tree-optimization/43528
3293         * stor-layout.c (place_field): Check that constant fits into
3294         unsigned HWI when skipping calculation of MS bitfield layout.
3295
3296 2010-03-27  Jan Hubicka  <jh@suse.cz>
3297
3298         PR middle-end/43391
3299         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3300         notice_global_symbol work.
3301
3302 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3303
3304         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3305         instead of dwarf2out_decl.
3306         (struct var_loc_node): Remove section_label field.
3307         (dwarf2out_function_decl): New function.
3308         (dwarf2out_var_location): Don't set section_label field.
3309         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3310
3311 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3312
3313         PR tree-optimization/43544
3314         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3315         First argument for builtin vectorized function hook is now a
3316         tree to be able to distinguish between machine specific and
3317         standard builtins.
3318         * targhooks.c (default_builtin_vectorized_function): Ditto.
3319         * targhooks.h (default_builtin_vectorized_function): Ditto.
3320         * target.h (struct gcc_target): Ditto.
3321         * tree-vect-stmts.c (vectorizable_function): Ditto.
3322         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3323         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3324         Ditto.
3325
3326 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3327
3328         PR c/43381
3329         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3330         nested binding iff it is a FUNCTION_DECL.
3331         (store_parm_decls_newstyle): Pass nested=true to bind for
3332         FUNCTION_DECLs amongst parameters.
3333
3334 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3335
3336         * var-tracking.c (vt_expand_loc_callback): Don't run
3337         cselib_expand_value_rtx_cb in dummy mode if
3338         cselib_dummy_expand_value_rtx_cb returned false.
3339
3340         * var-tracking.c (emit_note_insn_var_location): For one part
3341         notes with offset 0, don't add EXPR_LIST around the location.
3342         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3343         add_location_or_const_value_attribute): Adjust for that change.
3344
3345         PR debug/43540
3346         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3347         into first operand and location into second.
3348         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3349         dw_cfi_oprnd_loc for DW_CFA_expression.
3350         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3351         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3352         assume first argument is regnum and second argument is location.
3353
3354 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3355
3356         PR target/42113
3357         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3358         of scratch register to DImode.  Split to DImode comparison operator.
3359         Use SImode subreg of scratch register in the multiplication.
3360         (*cmp_sadd_sidi): Ditto.
3361         (*cmp_ssub_si): Ditto.
3362         (*cmp_ssub_sidi): Ditto.
3363
3364 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3365
3366         PR target/43524
3367         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3368         Remove invalid assert and wrong comment.
3369
3370 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3371
3372         PR debug/43516
3373         * flags.h (final_insns_dump_p): New extern.
3374         * final.c (final_insns_dump_p): New variable.
3375         (rest_of_clean_state): Set it before -fdump-final-insns=
3376         dumping, clear afterwards.
3377         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3378         MEM_ALIAS_SET on MEMs.
3379
3380 2010-03-26  David S. Miller  <davem@davemloft.net>
3381
3382         * configure.ac: Fix sparc GOTDATA_OP bug check.
3383         * configure: Rebuild.
3384
3385 2010-03-26  Alan Modra  <amodra@gmail.com>
3386
3387         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3388
3389 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3390
3391         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3392         TLS_SECTION_ASM_FLAG.
3393
3394 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3395
3396         PR bootstrap/43511
3397         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3398         Clear first_function_block_is_cold.
3399
3400         PR c/43385
3401         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3402         argument if the argument is truth_value_p.
3403
3404 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3405
3406         * config/rs6000/constraints.md: Update copyright year for my changes.
3407
3408         PR target/43484
3409         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3410         used in reg+reg addressing, swap registers.
3411
3412 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3413
3414         PR debug/43293
3415         * target.h (struct gcc_target): Add code_end hook.
3416         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3417         if not yet defined.
3418         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3419         * toplev.c (compile_file): Call targetm.asm_out.code_end
3420         hook before unwind info/debug info output.
3421         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3422         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3423         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3424         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3425         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3426         * config/i386/i386.c (ix86_file_end): Renamed to...
3427         (ix86_code_end): ... this.  Make static.  Don't call
3428         file_end_indicate_exec_stack.  Emit unwind info using
3429         final_start_function/final_end_function.
3430         (darwin_x86_file_end): Remove.
3431         (TARGET_ASM_CODE_END): Define.
3432         * config/i386/i386.h (TARGET_ASM_FILE_END,
3433         NEED_INDICATE_EXEC_STACK): Don't define.
3434         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3435         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3436         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3437         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3438
3439         PR target/43498
3440         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3441         at the beginning and final_end_function at the end.
3442         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3443
3444 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3445
3446         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3447         and Sun as TLS syntax.
3448         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3449         * configure: Regenerate.
3450         * config.in: Regenerate.
3451         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3452         (default_elf_asm_named_section): Use it.
3453         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3454         (i386_output_dwarf_dtprel): Likewise.
3455         (output_addr_const_extra): Likewise.
3456         (output_pic_addr_const): Lowercase @GOTTPOFF.
3457         (output_addr_const_extra): Likewise.
3458         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3459         (output_addr_const_extra): Likewise.
3460         (output_pic_addr_const): Lowercase @INDNTPOFF.
3461         (output_addr_const_extra): Likewise.
3462         (output_pic_addr_const): Lowercase @NTPOFF.
3463         (output_addr_const_extra): Likewise.
3464         (output_pic_addr_const): Lowercase @TPOFF.
3465         (output_addr_const_extra): Likewise.
3466         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3467         (*tls_global_dynamic_64): Likewise.
3468         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3469         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3470
3471         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3472         (ASM_OUTPUT_TLS_COMMON): Use it.
3473         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3474
3475         PR target/38118
3476         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3477         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3478         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3479         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3480         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3481         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3482
3483 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3484
3485         * config/i386/i386.c (override_options): Don't accept
3486         -mtls-dialect=sun any longer.
3487         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3488         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3489         (*tls_local_dynamic_base_32_sun): Likewise.
3490         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3491
3492 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR debug/43508
3495         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3496         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3497
3498         PR debug/43479
3499         * ira.c (adjust_cleared_regs): New function.
3500         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3501
3502         PR debug/19192
3503         PR debug/43479
3504         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3505         from gimple_block.
3506         * expr.c (expand_expr_real): Restore previous
3507         curr_insn_source_location and curr_insn_block after
3508         expand_expr_real_1 call.
3509         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3510         instead of expand_expr_real_1.
3511
3512 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3513
3514         PR rtl-optimization/43413
3515         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3516         hard regs too.
3517
3518 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3519
3520         PR target/43348
3521         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3522         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3523
3524 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3525
3526         * config/i386/i386.c (ix86_target_string): Add -mfma.
3527         Fix a typo in comment.
3528
3529 2010-03-22  Mike Stump  <mikestump@comcast.net>
3530
3531         PR target/23071
3532         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3533         Don't overly align based upon packed packed fields.
3534
3535 2010-03-22  Jason Merrill  <jason@redhat.com>
3536
3537         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3538         Use () rather than [], and move before the element type.
3539
3540 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3541
3542         * doc/configfiles.texi (Configuration Files): Removed
3543         fixinc/Makefile*, intl/Makefile.*.
3544         * doc/makefile.texi: Fixed markup. Abstract from version
3545         control system used.
3546         (Makefile): Removed obsolete gcc/java/parse.y example.
3547         * doc/sourcebuild.texi: Likewise.
3548         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3549         libgomp, libssp.  Removed fastjar.
3550         (Miscellaneous Docs): Clarify location.
3551         Added COPYING3, COPYING3.LIB.
3552         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3553
3554 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3555
3556         PR target/38085
3557         * config/i386/i386.c (x86_function_profiler)
3558         [!NO_PROFILE_COUNTERS]: Fix typo.
3559         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3560         instead of callq.
3561
3562 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3563             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3564
3565         * doc/sourcebuild.texi (Test Directives): Split into six
3566         subsections, with most of the current text in new subsections
3567         Directives, Selectors, and Final Actions.
3568         (Directives): Split list of test directives into multiple
3569         subsubsections.
3570         (Selectors): Describe use and syntax of selectors.
3571         (Effective-Target Keywords): Describe all existing keywords.
3572         (Add Options): Describe features for dg-add-options.
3573         (Require Support): Describe variants of dg-require-support.
3574         (Final Actions): Describe commands to use in dg-final.
3575
3576 2010-03-22  Michael Matz  <matz@suse.de>
3577
3578         PR middle-end/43475
3579         * recog.c (validate_replace_rtx_group): Replace also in
3580         REG_EQUAL and REG_EQUIV notes.
3581
3582 2010-03-22  Richard Guenther  <rguenther@suse.de>
3583
3584         PR tree-optimization/43390
3585         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3586         sure vector extracts are type correct.
3587
3588 2010-03-22  Richard Guenther  <rguenther@suse.de>
3589
3590         PR middle-end/40106
3591         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3592         x * sqrt (x) even when optimizing for size if the target
3593         has native support for sqrt.
3594
3595 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3596
3597         * varasm.c (make_decl_rtl_for_debug): Also clear
3598         flag_mudflap for the duration of make_decl_rtl call.
3599
3600         PR debug/43443
3601         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3602         locs from preserved VALUEs.
3603
3604 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3605
3606         PR middle-end/42718
3607         * pa.md (movmemsi): Set align to one if zero.
3608         (movmemdi): Likewise.
3609
3610 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3611
3612         PR target/42321
3613         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3614         with their corresponding prologue pushes.
3615
3616 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3617
3618         PR target/43156
3619         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3620         at the begining or end.
3621         (spu_expand_epilogue): Likewise.
3622
3623 2010-03-20  Richard Guenther  <rguenther@suse.de>
3624
3625         PR rtl-optimization/43438
3626         * combine.c (make_extraction): Properly zero-/sign-extend an
3627         extraction of the low part of a CONST_INT.  Also handle
3628         CONST_DOUBLE.
3629
3630 2010-03-19  Mike Stump  <mikestump@comcast.net>
3631
3632         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3633         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3634         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3635
3636 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3637
3638         PR c/43211
3639         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3640         an error.
3641
3642 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3643
3644         PR rtl-optimization/42258
3645         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3646         use that may match DEF.
3647
3648         PR target/40697
3649         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3650         the cost of loading the constant rather than assuming
3651         COSTS_N_INSNS (1).
3652         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3653         outer code is AND, do the same tests as the andsi3 expander and
3654         return COSTS_N_INSNS (1) if and is cheap.
3655
3656         * optabs.c (avoid_expensive_constant): Fix formatting.
3657
3658 2010-03-19  Michael Matz  <matz@suse.de>
3659
3660         PR c++/43116
3661         * attribs.c (decl_attributes): When rebuilding a function pointer
3662         type use the same qualifiers as the original pointer type.
3663
3664 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3665
3666         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3667         and is_gimple_ip_invariant_address.
3668
3669 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3670
3671         Revert
3672         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3673
3674         * config/arm/arm.c (arm_override_options): Turn off
3675         flag_dwarf2_cfi_asm for AAPCS variants.
3676
3677 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3678
3679         PR target/43399
3680         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3681         Use PRE_MODIFY instead of PRE_DEC.
3682         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3683         (vfp_emit_fstmd): Likewise.
3684
3685 2010-03-19  Michael Matz  <matz@suse.de>
3686
3687         PR target/43305
3688         * builtins.c (expand_builtin_interclass_mathfn,
3689         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3690         if that fails.
3691
3692 2010-03-19  Richard Guenther  <rguenther@suse.de>
3693
3694         PR tree-optimization/43415
3695         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3696         (phi_translate_1): ... this.
3697         (phi_translate): Move all caching here.  Cache all NARY
3698         and REFERENCE translations.
3699
3700 2010-03-19  David S. Miller  <davem@davemloft.net>
3701
3702         With help from Eric Botcazou.
3703         * config/sparc/sparc.c: Include dwarf2out.h.
3704         (emit_pic_helper): Delete.
3705         (pic_helper_symbol_name): Delete.
3706         (pic_helper_emitted_p): Delete.
3707         (pic_helper_needed): New.
3708         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3709         (get_pc_thunk_name): New.
3710         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3711         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3712         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3713         (sparc_expand_prologue): Update load_pic_register call.
3714         (sparc_output_mi_thunk): Likewise.
3715         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3716         thunk if possible.  Output CFI information as needed.
3717
3718 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3719             Jack Howarth <howarth@bromo.med.uc.edu>
3720
3721         PR target/36399
3722         * config/i386/i386.h: Fix ABI on darwin x86-32.
3723
3724 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3725
3726         * tree.h: Declare make_decl_rtl_for_debug.
3727         * varasm.c (make_decl_rtl_for_debug): New.
3728         * dwarf2out.c (rtl_for_decl_location): Call it.
3729         * cfgexpand.c (expand_debug_expr): Call it.
3730
3731 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR bootstrap/43399
3734         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3735         mem_mode.
3736
3737         PR bootstrap/43403
3738         * var-tracking.c (vt_init_cfa_base): Do nothing if
3739         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3740
3741 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3742
3743         PR debug/42873
3744         * var-tracking.c (canonicalize_vars_star): New.
3745         (dataflow_post_merge_adjust): Use it.
3746
3747 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3748
3749         PR debug/43058
3750         * var-tracking.c (non_suitable_const): New function.
3751         (add_uses): For DEBUG_INSNs with constants, don't record any
3752         value, instead just the constant value itself.
3753         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3754         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3755         (emit_notes_in_bb): Likewise.
3756         (emit_note_insn_var_location): For onepart variables if
3757         cur_loc is a VOIDmode constant, use DECL_MODE.
3758
3759 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3760
3761         PR middle-end/42450
3762         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3763         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3764         all non-clones.  Moved call redirection...
3765         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3766         (cgraph_materialize_all_clones): Dispose of all
3767         combined_args_to_skip bitmaps.
3768         (verify_cgraph_node): Do not check for edges pointing to wrong
3769         nodes in inline clones.
3770         * tree-inline.c (copy_bb): Call
3771         cgraph_redirect_edge_call_stmt_to_callee.
3772         * ipa.c (cgraph_remove_unreachable_nodes): Call
3773         cgraph_node_remove_callees even when there are used clones.
3774
3775 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3776
3777         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3778
3779 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3780
3781         PR target/43383
3782         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3783         for 32bit.
3784
3785 2010-03-18  Michael Matz  <matz@suse.de>
3786
3787         PR middle-end/43419
3788         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3789         into sqrt(x) if we need to preserve signed zeros.
3790
3791 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3792             Eric Botcazou  <ebotcazou@adacore.com>
3793
3794         PR rtl-optimization/43360
3795         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3796         note if we don't know its invariant status.
3797
3798 2010-03-18  Michael Matz  <matz@suse.de>
3799
3800         PR tree-optimization/43402
3801         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3802         PHI chains of ssa names registered for update.
3803
3804 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3805
3806         PR target/42427
3807         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3808         non-offsettable and pre_modify update addressing.
3809         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3810         and "2" alternatives "#".
3811         (*movdd_softfloat32): Make all alternatives "#";
3812         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3813         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3814         (*movdf_softfloat32): Make all alternatives "#";
3815         (movdi): Use the new DIFD mode iterator to create a common splitter
3816         for movdi, movdf and movdd patterns.
3817
3818 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3819
3820         * common.opt (dumpdir): Remove redundant tab.
3821
3822 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3823
3824         PR tree-optimization/43347
3825         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3826         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3827
3828 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3829
3830         PR rtl-optimization/42216
3831         * regrename.c (create_new_chain): New function, broken out from...
3832         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3833         appending a use to an empty chain.
3834         (build_def_use): Remove previous changes that convert OP_INOUT to
3835         OP_OUT operands; instead detect the case where an OP_INOUT operand
3836         uses a previously untracked register and create an empty chain for it.
3837
3838 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3839
3840         * doc/extend.texi (Function Attributes): Rewrite unfinished
3841         sentence in ms_abi documentation.
3842
3843 2010-03-17  Alan Modra  <amodra@gmail.com>
3844
3845         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3846         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3847         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3848         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3849
3850 2010-03-16  Richard Henderson  <rth@redhat.com>
3851
3852         PR middle-end/43365
3853         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3854         (lower_try_finally): Save and restore eh_seq around the expansion
3855         of the try-finally.
3856
3857 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3858
3859         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3860         statements before splitting block.
3861
3862 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3863
3864         * doc/sourcebuild.texi (Testsuites): Fix markup.
3865         Use pathnames relative to gcc/testsuite.
3866         (Test Directives): Move description of how timeout is determined.
3867         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3868         (C Tests): Correct gcc.misc-tests directory.
3869         Framework tests now live in gcc.test-framework.
3870
3871 2010-03-16  Richard Guenther  <rguenther@suse.de>
3872
3873         PR middle-end/43379
3874         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3875         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3876
3877 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3878             Alexandre Oliva  <aoliva@redhat.com>
3879
3880         PR tree-optimization/42917
3881         * lambda-code.c (remove_iv): Skip debug statements.
3882         (lambda_loopnest_to_gcc_loopnest): Likewise.
3883         (not_interesting_stmt): Debug statements are not interesting.
3884
3885 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR debug/43051
3888         PR debug/43092
3889         * cselib.c (cselib_preserve_constants,
3890         cfa_base_preserved_val): New static variables.
3891         (preserve_only_constants): New function.
3892         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3893         clear its REG_VALUES.  If cselib_preserve_constants, don't
3894         empty the whole hash table, but preserve there VALUEs with constants,
3895         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3896         (cselib_preserve_cfa_base_value): New function.
3897         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3898         (cselib_init): Change argument to int bitfield.  Set
3899         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3900         is in it.
3901         (cselib_finish): Clear cselib_preserve_constants and
3902         cfa_base_preserved_val.
3903         * cselib.h (enum cselib_record_what): New enum.
3904         (cselib_init): Change argument to int.
3905         (cselib_preserve_cfa_base_value): New prototype.
3906         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3907         * dse.c (dse_step1): Likewise.
3908         * cfgcleanup.c (thread_jump): Likewise.
3909         * sched-deps.c (sched_analyze): Likewise.
3910         * gcse.c (local_cprop_pass): Likewise.
3911         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3912         If FN is non-NULL, call the callback always and whenever it returns
3913         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3914         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3915         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3916         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3917         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3918         * var-tracking.c: Include recog.h.
3919         (bb_stack_adjust_offset): Remove.
3920         (vt_stack_adjustments): Don't call it, instead just gather the
3921         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3922         (adjust_stack_reference): Remove.
3923         (compute_cfa_pointer): New function.
3924         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3925         (struct adjust_mem_data): New type.
3926         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3927         functions.
3928         (get_address_mode): New function.
3929         (replace_expr_with_values): Use it.
3930         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3931         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3932         (adjust_sets): Remove.
3933         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3934         Use get_address_mode.
3935         (get_adjusted_src): Remove.
3936         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3937         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3938         (add_with_sets): Don't call adjust_sets.
3939         (fp_setter, vt_init_cfa_base): New functions.
3940         (vt_initialize): Change return type to bool.  Move most of pool etc.
3941         initialization to the beginning of the function from end.  Pass
3942         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3943         If !frame_pointer_needed, call vt_stack_adjustment before mos
3944         vector is filled, call vt_init_cfa_base if argp/framep has been
3945         eliminated to sp.  If frame_pointer_needed and argp/framep has
3946         been eliminated to hard frame pointer, set
3947         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3948         encountering fp setter in the prologue.  For MO_ADJUST, call
3949         log_op_type before pusing the op into mos vector, not afterwards.
3950         Call adjust_insn before cselib_process_insn/add_with_sets,
3951         call cancel_changes (0) afterwards.
3952         (variable_tracking_main_1): Adjust for vt_initialize calling
3953         vt_stack_adjustments and returning whether it succeeded or not.
3954
3955 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3956
3957         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3958         debug statements.
3959
3960 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3961
3962         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3963         has been set.
3964         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3965         drap_reg has not been set.
3966
3967 2010-03-15  Michael Matz  <matz@suse.de>
3968
3969         PR middle-end/43300
3970         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3971         use it to expand block copies.
3972         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3973         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3974         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3975
3976 2010-03-15  Richard Guenther  <rguenther@suse.de>
3977
3978         PR tree-optimization/43367
3979         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3980         elimination check.
3981
3982 2010-03-15  Richard Guenther  <rguenther@suse.de>
3983
3984         PR tree-optimization/43317
3985         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3986
3987 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3988
3989         PR tree-optimization/43141
3990         * tree-sra.c (create_abstract_origin): New function.
3991         (modify_function): Call create_abstract_origin.
3992
3993 2010-03-15  Chris Demetriou  <cgd@google.com>
3994
3995         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3996         wasn't copied.
3997
3998 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3999
4000         PR middle-end/43354
4001         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4002         call insert_out_of_ssa_copy for default definitions.
4003
4004 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4005
4006         * graphite-clast-to-gimple.c (my_long_long): Defined.
4007         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4008         * graphite-sese-to-poly.c (my_long_long): Defined.
4009         (scop_ivs_can_be_represented): Use it.
4010
4011 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4012
4013         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4014         graphite-max-bbs-per-function, and loop-block-tile-size.
4015         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4016         with "maximum".
4017         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4018
4019 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4020
4021         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4022         forward declaration.
4023         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4024         (add_upper_bounds_from_estimated_nit): New.
4025         (build_loop_iteration_domains): Use it.
4026
4027 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
4028
4029         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.