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