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