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1 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2             Jan Hubicka <hubicka@ucw.cz>
3
4         * doc/invoke.texi (-Wsuggest-attribute=const,
5         -Wsuggest-attribute=pure): Document.
6         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
7         (function_always_visible_to_compiler_p,
8         suggest_attribute, warn_function_pure, warn_function_const):
9         New functions.
10         (check_call): Improve debug info.
11         (analyze_function): Do not check availability.
12         (add_new_function): Check availability.
13         (propagate): Output warnings.
14         (skip_function_for_local_pure_const): New function.
15         (local_pure_const): Use it; output warnings.
16         * common.opt (Wsuggest-attribute=const,
17         Wsuggest-attribute=pure): New.
18
19 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
20
21         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
22         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
23         or DW_CFA_def_cfa_offset{,_sf}.
24
25 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
26
27         * tree.h: Fix truncated long macros.
28
29 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
30
31         * collect2.c (TARGET_64BIT): Redefine to target's default.
32         * tlink.c: Likewise.
33         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
34         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
35         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
36         for underscoring __USER_LABEL_PREFIX__.
37         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
38         (SUB_LINK_ENTRY32): New.
39         (SUB_LINK_ENTRY64): New.
40         (LINK_SPEC): Replace entry point spec by
41         SUB_LINK_ENTRY.
42         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
43         (SUB_LINK_ENTRY64): New.
44         (SUB_LINK_ENTRY): New.
45         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
46         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
47         x64 target is choosen.
48         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
49         * configure: Regenerated.
50         * configure.ac (leading-mingw64-underscores): Option added.
51
52 2010-04-27  Jan Hubicka  <jh@suse.cz>
53
54         * doc/invoke.texi (-fipa-profile): Document.
55         * opts.c (decode_options): Enable ipa-profile at -O1.
56         * timevar.def (TV_IPA_PROFILE): Define.
57         * common.opt (fipa-profile): Add.
58         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
59         flag for clones.
60         (cgraph_propagate_frequency): Handle only local ones.
61         * tree-pass.h (pass_ipa_profile): Declare.
62         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
63         (pass_ipa_profile): Use TV_IPA_PROFILE.
64         * ipa.c (ipa_profile): New function.
65         (gate_ipa_profile): Likewise.
66         (pass_ipa_profile): New global variable.
67         * passes.c (pass_ipa_profile): New.
68
69 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
70
71         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
72
73 2010-04-27  Martin Jambor  <mjambor@suse.cz>
74
75         PR middle-end/43812
76         * ipa.c (dissolve_same_comdat_group_list): New function.
77         (function_and_variable_visibility): Call
78         dissolve_same_comdat_group_list when comdat group contains external or
79         newly local nodes.
80         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
81         lists are circular and that they contain only DECL_ONE_ONLY nodes.
82
83 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
84
85         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
86         (const_hash_1) <VECTOR_CST>: New case.
87         (compare_constant) <VECTOR_CST>: Likewise.
88         <ADDR_EXPR>: Deal with LABEL_REFs.
89         (copy_constant) <VECTOR_CST>: New case.
90
91 2010-04-27  Jan Hubicka  <jh@suse.cz>
92
93         * cgraph.c (cgraph_propagate_frequency): New function.
94         * cgraph.h (cgraph_propagate_frequency): Declare.
95         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
96         cgraph_propagate_frequency.
97
98 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
99
100         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
101
102 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
103
104         PR target/40657
105         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
106         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
107         here to determine which regs to push and how much stack to reserve.
108
109 2010-04-27  Jie Zhang  <jie@codesourcery.com>
110
111         * doc/gimple.texi (gimple_statement_with_ops): Remove
112         addresses_taken field.
113         (gimple_statement_with_memory_ops): Likewise.
114
115 2010-04-27  Jan Hubicka  <jh@suse.cz>
116
117         * tree-inline.c (eni_inlining_weights): Remove.
118         (estimate_num_insns): Special case more builtins.
119
120 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
121         
122         PR c/32207
123         * c-typeck.c (build_binary_op): Move forward check for comparison
124         pointer with null pointer constant and adjust the diagnostic message.
125
126 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
127
128         PR lto/42776
129         * configure.ac (gcc_cv_as_section_has_align): Set if installed
130         binutils supports extended .section directive needed by LTO, or
131         warn if older binutils found.
132         (LTO_BINARY_READER): New AC_SUBST'd variable.
133         (LTO_USE_LIBELF): Likewise.
134         * gcc/config.gcc (lto_binary_reader): New target-specific configure
135         variable.
136         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
137         (LTO_USE_LIBELF): Likewise.
138         * configure: Regenerate.
139
140         * collect2.c (is_elf): Rename from this ...
141         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
142          object files in addition to ELF-formatted ones.
143         (scan_prog_file): Caller updated.  Also allow for LTO info marker
144         symbol to be prefixed or not by an extra underscore.
145
146         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
147         * config/i386/winnt.c: Also #include lto-streamer.h
148         (i386_pe_asm_named_section): Specify 1-byte section alignment for
149         LTO named sections.
150         (i386_pe_asm_output_aligned_decl_common): Add comment.
151         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
152
153 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
154
155         PR target/43889
156         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
157         Add missing earlyclobber for second alternative.
158
159 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
160
161         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
162         bits for artificial defs at the top of the block.
163         * fwprop.c (single_def_use_enter_block): Don't call it.
164
165 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
166
167         PR 43715
168         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
169         instead of "$gcc_cv_objdump -T".
170         Use "-undefined dynamic_lookup" on darwin.
171         * gcc/configure: Regenerate.
172
173 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
174
175         PR c/43893
176         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
177
178 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
179
180         * c-parser.c (struct c_token): Move location field up.
181         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
182         (struct c_declspecs): Convert typespec_word, storage_class, and
183         default_int_p into bitfields.
184         (struct c_declarator): Move loc field up.
185
186 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
187
188         * cfgloop.h (struct loop): Move can_be_parallel field up.
189         * ipa-prop.h (struct ip_node_params): Move bitfields up.
190         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
191         down.
192         (struct iv_cand): Convert pos field into a bitfield.
193         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
194         field up.
195         (struct _stmt_vec_info): Shuffle fields for better packing.
196
197 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
198
199         * varasm.c (IN_NAMED_SECTION): Remove guard.
200         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
201         (IN_NAMED_SECTION_P): ...this.
202         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
203         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
204
205 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
206
207         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
208         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
209         of shadowing it.  Fix comments.
210
211 2010-04-26  Jan Hubicka  <jh@suse.cz>
212
213         * cgraph.c (cgraph_create_node): Set node frequency to normal.
214         (cgraph_clone_node): Copy function frequency.
215         * cgraph.h (node_frequency): New enum
216         (struct cgraph_node): Add.
217         * final.c (rest_of_clean_state): Update.
218         * lto-cgraph.c (lto_output_node): Output node frequency.
219         (input_overwrite_node): Input node frequency.
220         * tre-ssa-loop-ivopts (computation_cost): Update.
221         * lto-streamer-out.c (output_function): Do not output function
222         frequency.
223         * predict.c (maybe_hot_frequency_p): Update and handle functions
224         executed once.
225         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
226         attribute lookup.
227         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
228         (compute_function_frequency): Set noreturn functions to be executed
229         once.
230         (choose_function_section): Update.
231         * lto-streamer-in.c (input_function): Do not input function frequency.
232         * function.c (allocate_struct_function): Do not initialize function
233         frequency.
234         * function.h (function_frequency): Remove.
235         (struct function): Remove function frequency.
236         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
237         (try_update): Update.
238         * tree-inline.c (initialize_cfun): Do not update function frequency.
239         * passes.c (pass_init_dump_file): Update.
240         * i386.c (ix86_compute_frame_layout): Update.
241         (ix86_pad_returns): Update.
242
243 2010-04-26  Jie Zhang  <jie@codesourcery.com>
244
245         PR tree-optimization/43833
246         * tree-vrp.c (range_int_cst_p): New.
247         (range_int_cst_singleton_p): New.
248         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
249         when both operands are constants.  Use range_int_cst_p in
250         BIT_IOR_EXPR case.
251
252 2010-04-26  Jan Hubicka  <jh@suse.cz>
253
254         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
255
256 2010-04-26  Richard Guenther  <rguenther@suse.de>
257
258         PR lto/43080
259         * gimple.c (gimple_decl_printable_name): Deal gracefully
260         with a NULL DECL_NAME.
261
262 2010-04-26  Richard Guenther  <rguenther@suse.de>
263
264         PR lto/42425
265         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
266         if emitting debug information and it is either a function
267         or a namespace decl.
268
269 2010-04-26  Ira Rosen  <irar@il.ibm.com>
270
271         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
272         determine if the statement is vectorizable, and a macro to 
273         access it.
274         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
275         Skip statements that can't be vectorized. If the analysis 
276         fails, mark the statement as unvectorizable if vectorizing 
277         basic block.
278         (vect_compute_data_refs_alignment): Likewise.
279         (vect_verify_datarefs_alignment): Skip statements marked as 
280         unvectorizable. Add print.
281         (vect_analyze_group_access): Skip statements that can't be 
282         vectorized. If the analysis fails, mark the statement as 
283         unvectorizable if vectorizing basic block.
284         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
285         Likewise.
286         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
287         generated stmts for SLP.
288         (new_stmt_vec_info): Initialize the new field.
289         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
290         statements marked as unvectorizable.
291
292 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
293
294         * c-common.c (flag_isoc1x): New.
295         (flag_isoc99): Update comment.
296         * c-common.h (flag_isoc1x): New.
297         (flag_isoc99): Update comment.
298         * c-cppbuiltin.c (builtin_define_float_constants): Also define
299         __<type>_DECIMAL_DIG__.
300         * c-opts.c (set_std_c1x): New.
301         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
302         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
303         * c.opt (-std=c1x, -std=gnu1x): New options.
304         * doc/cpp.texi: Mention -std=c1x.
305         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
306         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
307         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
308         * doc/standards.texi: Mention C1X.
309         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
310         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
311         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
312         Define for C1X.
313
314 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
315
316         * config/i386/gmon-sol2.c (_mcleanup): Change format string
317         placeholder from 0x%x to %#x.
318         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
319         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
320         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
321         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
322         * config/i386/i386.c (ix86_target_string): Ditto.
323         (output_pic_addr_const): Ditto.
324         (print_operand): Ditto.
325
326 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
327
328         * combine.c (find_split_point): Add third argument.  Use it
329         to find nested multiply-accumulate instructions.  Adjust calls.
330         (try_combine): Adjust call to find_split_point.
331
332 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
333
334         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
335
336 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
337
338         PR tree-optimization/41442
339         * fold-const.c (merge_truthop_with_opposite_arm): New function.
340         (fold_binary_loc): Call it.
341
342 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
343
344         * toplev.c (general_init): Set default for fdiagnostics-show-option.
345         * opts.c (common_handle_option): Allow disabling it.
346         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
347
348 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
349
350         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
351         between modes if both types are integral.
352
353 2010-04-23  Richard Guenther  <rguenther@suse.de>
354
355         PR tree-optimization/43572
356         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
357
358 2010-04-23  Richard Guenther  <rguenther@suse.de>
359
360         PR lto/43455
361         * tree-inline.c (tree_can_inline_p): Also check compatibility
362         of return types.
363
364 2010-04-23  Martin Jambor  <mjambor@suse.cz>
365
366         PR tree-optimization/43846
367         * tree-sra.c (struct access): New flag grp_assignment_read.
368         (build_accesses_from_assign): Set grp_assignment_read.
369         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
370         (enum mark_read_status): New type.
371         (analyze_access_subtree): Propagate grp_assignment_read, create
372         accesses also if both direct_read and root->grp_assignment_read.
373
374 2010-04-23  Martin Jambor  <mjambor@suse.cz>
375
376         PR middle-end/43835
377         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
378         function does not have type attributes.
379
380 2010-04-23  Richard Guenther  <rguenther@suse.de>
381
382         PR lto/42653
383         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
384         of FUNCTION_DECLs.
385
386 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
387
388         * sese.h (create_if_region_on_edge): Remove.
389
390         * sese.c (create_if_region_on_edge): Make static.
391
392         * tree-inline.c: Do not include ggc.h.
393
394         * expr.c: Do not include ggc.h.
395
396         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
397         dependencies.
398
399 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
400
401         PR target/43744
402         * config/sh/sh.c (find_barrier): Don't emit a constant pool
403         in the middle of insns for casesi_worker_2.
404
405 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
406
407         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
408
409 2010-04-22  Ira Rosen  <irar@il.ibm.com>
410
411         PR tree-optimization/43842
412         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
413         loop unrolling in update of exit phis. Fix comment.
414         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
415         least two reduction statements in the loop before starting SLP
416         analysis.
417
418 2010-04-22  Nick Clifton  <nickc@redhat.com>
419
420         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
421
422 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
423
424         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
425         to simplify a + ~a.
426
427 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
428
429         * tree-parloops.c (loop_parallel_p): New argument
430         parloop_obstack.  Pass it down.
431         (parallelize_loops): New variable parloop_obstack.  Initialize it,
432         pass it down, free it.
433
434         * tree-loop-linear.c (linear_transform_loops): Pass down
435         lambda_obstack.
436
437         * tree-data-ref.h (lambda_compute_access_matrices): New argument
438         of type struct obstack *.
439
440         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
441         scratch_obstack.  Initialize it, pass down, free it.
442
443         * lambda.h (lambda_loop_new): Remove.
444         (lambda_matrix_new, lambda_matrix_inverse)
445         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
446         argument of type struct obstack *.
447
448         * lambda-trans.c (lambda_trans_matrix_new): New argument
449         lambda_obstack.  Pass it down, use obstack allocation for ret.
450         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
451         it down.
452
453         * lambda-mat.c (lambda_matrix_get_column)
454         (lambda_matrix_project_to_null): Remove.
455         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
456         allocation for mat.
457         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
458         lambda_obstack.
459
460         * lambda-code.c (lambda_loop_new): New function.
461         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
462         (lambda_compute_auxillary_space, lambda_compute_target_space)
463         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
464         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
465         (build_access_matrix): New argument lambda_obstack.  Use obstack
466         allocation for am.
467         (lambda_compute_step_signs, lambda_compute_access_matrices): New
468         argument lambda_obstack.  Pass it down.
469
470 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
471
472         * optabs.h (expand_widening_mult): Declare.
473
474 2010-04-22  Richard Guenther  <rguenther@suse.de>
475
476         PR tree-optimization/43845
477         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
478         lookup the CALL_EXPR function and arguments.
479
480 2010-04-22  Nick Clifton  <nickc@redhat.com>
481
482         * config/stormy16/stormy16.c
483         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
484         * config/stormy16/stormy16.h: Tidy up formatting.
485         (DONT_USE_BUILTIN_SETJMP): Remove definition.
486         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
487         (ineqbranchsi): Delete pattern.
488         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
489         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
490         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
491         stormy16-lib2-ucmpsi2.c.
492
493 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
494
495         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
496         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
497         extra set merge_set_noclobber, and use it to relax the final test
498         slightly.
499         * df.h (df_simulate_find_noclobber_defs): Declare.
500         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
501         conditional defs.
502         (df_simulate_find_noclobber_defs): New function.
503
504 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
505
506         * config/i386/i386.md: Use {} around multi-line preparation statements.
507
508 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
509
510         * c-tree.h (push_init_level, pop_init_level, set_init_index)
511         (process_init_element): New argument of type struct obstack *.
512
513         * c-typeck.c (push_init_level, pop_init_level, set_designator)
514         (set_init_index, set_init_label, set_nonincremental_init)
515         (set_nonincremental_init_from_string, find_init_member)
516         (output_init_element, output_pending_init_elements)
517         (process_init_element): New argument braced_init_obstack.  Pass it
518         down.
519         (push_range_stack, add_pending_init): New argument
520         braced_init_obstack.  Use obstack allocation.
521
522         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
523         braced_init_obstack.  Pass it down.
524         (c_parser_braced_init): New variables ret, braced_init_obstack.
525         Initialize obstack, pass it down and finally free it.
526
527 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
528
529         PR middle-end/29274
530         * tree-pass.h (pass_optimize_widening_mul): Declare.
531         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
532         gate_optimize_widening_mul): New static functions.
533         (pass_optimize_widening_mul): New.
534         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
535         <case MULT_EXPR>: Remove support for widening multiplies.
536         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
537         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
538         simplify_gen_unary rather than directly building extensions.
539         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
540         WIDEN_MULT_EXPR.
541         * expmed.c (expand_widening_mult): New function.
542         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
543
544 2010-04-21  Jan Hubicka  <jh@suse.cz>
545
546         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
547         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
548         * lto-wpa-fixup.c: Remove.
549         * Makefile.in (lto-wpa-fixup.o): Remove.
550         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
551         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
552         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
553
554 2010-04-21  Jan Hubicka  <jh@suse.cz>
555
556         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
557         add write_optimization_summary, read_optimization_summary.
558         (ipa_write_summaries_of_cgraph_node_set): Remove.
559         (ipa_write_optimization_summaries): Declare.
560         (ipa_read_optimization_summaries): Declare.
561         * ipa-cp.c (pass_ipa_cp): Update.
562         * ipa-reference.c (pass_ipa_reference): Update.
563         * ipa-pure-const.c (pass_ipa_pure_const): Update.
564         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
565         Update.
566         * ipa-inline.c (pass_ipa_inline): Update.
567         * ipa.c (pass_ipa_whole_program): Update.
568         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
569         * passes.c (ipa_write_summaries_1): Do not test wpa.
570         (ipa_write_optimization_summaries_1): New.
571         (ipa_write_optimization_summaries): New.
572         (ipa_read_summaries): Do not test ltrans.
573         (ipa_read_optimization_summaries_1): New.
574         (ipa_read_optimization_summaries): New.
575
576 2010-04-21  Jan Hubicka  <jh@suse.cz>
577
578         * lto-cgraph.c (lto_output_node): Do not output comdat groups
579         for boundary nodes.
580         (output_cgraph): Do not arrange comdat groups for boundary nodes.
581
582 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
583
584         PR debug/40040
585         * dwarf2out.c (add_name_and_src_coords_attributes): Add
586         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
587
588 2010-04-21  Jan Hubicka  <jh@suse.cz>
589
590         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
591
592 2010-04-21  Jan Hubicka  <jh@suse.cz>
593
594         * varpool.c (decide_is_variable_needed): Variable is always needed
595         during ltrans.
596
597 2010-04-21  Jan Hubicka  <jh@suse.cz>
598
599         * opts.c (decode_options): Enable pure-const pass for whopr.
600
601 2010-04-21  Jan Hubicka  <jh@suse.cz>
602
603         * cgraph.c (dump_cgraph_node): Dump also assembler name.
604         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
605         at WPA dumping.
606         (cgraph_decide_inlining): Do not expect callee to be removed in all
607         cases.
608
609 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
610
611         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
612
613 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
614
615         * config/i386/i386.md (x86_shrd): Add athlon_decode and
616         amdfam10_decode attributes.
617
618 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
619
620         PR middle-end/43570
621         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
622         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
623         (lower_copyprivate_clauses): Use private var in outer
624         context instead of original var.  Make sure the types
625         are correct for VLAs.
626
627 2010-04-21  Richard Guenther  <rguenther@suse.de>
628
629         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
630         to non-pointer objects.
631
632 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
633
634         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
635         last chain entry if it starts with the still current label.
636         (add_location_or_const_value_attribute): Check that
637         loc_list->first->next is NULL instead of comparing ->first with ->last.
638         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
639         to add_var_loc_to_decl.
640
641         * dwarf2out.c (output_call_frame_info): For dw_cie_version
642         >= 4 add also address size and segment size fields into CIE header.
643
644         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
645         long as address size is the same as sizeof (void *) and
646         segment size is 0.
647         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
648         address size or segment size is unexpected, return DW_EH_PE_omit.
649         (classify_object_over_fdes): If get_cie_encoding returned
650         DW_EH_PE_omit, return -1.
651         (init_object): If classify_object_over_fdes returned -1,
652         pretend there were no FDEs at all.
653
654 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
655
656         * config/i386/i386.md (bswap<mode>2): Macroize expander from
657         bswap{si,di}2 using SWI48 mode iterator.
658         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
659         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
660         set modrm attribute of bswap insn to 0 and remove length attribute.
661         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
662         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
663         set mode attribute to <MODE> and remove length attribute.
664
665 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
666
667         PR rtl-optimization/43520
668         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
669         zero available registers.
670
671 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
672
673         * builtins.c (fold_builtin_cproj): Fold more cases.
674
675 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
676
677         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
678         (fold_builtin_1): Fold builtin cproj.
679         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
680         Use ATTR_CONST_NOTHROW_LIST.
681
682 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
683
684         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
685         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
686         ffsi2_no_cmove for !TARGET_CMOVE.
687         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
688         (ffssi2): Remove expander.
689         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
690         mode iterator.
691         (ctz<mode>2): Ditto from ctz{si,di}2.
692         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
693         mode iterator.
694         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
695         mode iterator.
696
697 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
698
699         * dwarf2out.c (AT_linkage_name): Define.
700         (clone_as_declaration): Handle DW_AT_linkage_name.
701         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
702         of DW_AT_MIPS_linkage_name.
703         (move_linkage_attr): Likewise.
704         (dwarf2out_finish): Likewise.
705
706 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
707
708         PR middle-end/41952
709         * fold-const.c (fold_comparison): New folding rule.
710
711 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
712
713         * double-int.h (double_int_setbit): Declare.
714         * double-int.c (double_int_setbit): New function.
715         * rtl.h (immed_double_int_const): Declare.
716         * emit-rtl.c (immed_double_int_const): New function.
717         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
718         and immed_double_int_const functions.
719         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
720         expand_copysign_bit):  (Ditto.).
721         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
722         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
723         * dojump.c (prefer_and_bit_test): (Ditto.).
724         * expr.c (convert_modes, reduce_to_bit_field_precision,
725         const_vector_from_tree): (Ditto.).
726         * expmed.c (mask_rtx, lshift_value): (Ditto.).
727
728 2010-04-20  Jan Hubicka  <jh@suse.cz>
729
730         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
731         (dump_cgraph_node): Dump new flags.
732         * cgraph.h (struct cgraph_node): Add flags
733         reachable_from_other_partition and in_other_partition.
734         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
735         other partition can not be removed.
736         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
737         the other partition must be output; silence sanity checking on
738         leaking functions bodies from other paritition.
739         * lto-cgraph.c (reachable_from_other_partition_p): New function.
740         (lto_output_node): Output new flags; do not sanity check that inline
741         clones are output; drop lto_forced_extern_inline_p code; do not mock
742         visibility flags at partition boundaries.
743         (add_node_to): New function.
744         (output_cgraph): Use it to sort functions so masters appear before
745         clones.
746         (input_overwrite_node): Input new flags.
747         * passes.c (ipa_write_summaries): Do not call
748         lto_new_extern_inline_states.
749         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
750         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
751         lto_forced_extern_inline_p): Kill.
752         * lto-streamer.h (lto_new_extern_inline_states,
753         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
754         lto_forced_extern_inline_p): Kill.
755
756 2010-04-20  Richard Guenther  <rguenther@suse.de>
757
758         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
759         from vars that can have pointers.
760         (process_constraint): Dump useless constraints.
761
762 2010-04-20  Richard Guenther  <rguenther@suse.de>
763
764         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
765         (dump_sa_points_to_info): Remove asserts.
766         (init_base_vars): nothing_id isn't an escape point nor does it
767         have pointers.
768
769 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
770
771         * tree.h (TYPE_REF_IS_RVALUE): Define.
772         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
773         should_move_die_to_comdat, prune_unused_types_walk): Handle
774         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
775         (modified_type_die, gen_reference_type_die): Emit
776         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
777         if TYPE_REF_IS_RVALUE and -gdwarf-4.
778
779 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
780
781         PR target/43635
782         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
783         calls for -fpic -m31 if they have been sibcall optimized.
784
785 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
786
787         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
788         ar.lc fixed and call-used.
789
790         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
791
792 2010-04-19  Jan Hubicka  <jh@suse.cz>
793
794         * opts.c (decode_options): Disable whpr incompatible passes.
795         * lto/lto.c (lto_1_to_1_map): Skip clones.
796         (read_cgraph_and_symbols): Do not mark everything as needed.
797         (do_whole_program_analysis): Do map only after optimizing;
798         set proper cgraph_state; use passmanager.
799
800 2010-04-19  DJ Delorie  <dj@redhat.com>
801
802         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
803         POINTER_PLUS_EXPR and fix them.
804
805 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
806
807         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
808         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
809         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
810         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
811         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
812         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
813         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
814         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
815         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
816         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
817         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
818
819 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
820
821         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
822         (check_cond_move_block): Likewise.
823         (cond_move_process_if_block): Likewise.
824         (noce_find_if_block): Improve formatting.
825         (find_if_header): Pass 0 to memset and tweak conditions.
826         (cond_exec_find_if_block): Fix long lines and tweak conditions.
827
828 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
829
830         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
831         for -gdwarf-4.
832
833         PR middle-end/43337
834         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
835         with non-local decl doesn't need chain.
836
837 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
838
839         * ira-color.c (allocno_reload_assign): Avoid accumulating
840         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
841
842 2010-04-19  Martin Jambor  <mjambor@suse.cz>
843
844         * gimple.h (create_tmp_reg): Declare.
845         * gimplify.c (create_tmp_reg): New function.
846         (gimplify_return_expr): Use create_tmp_reg.
847         (gimplify_omp_atomic): Likewise.
848         (gimple_regimplify_operands): Likewise.
849         * tree-dfa.c (make_rename_temp): Likewise.
850         * tree-predcom.c (predcom_tmp_var): Likewise.
851         (reassociate_to_the_same_stmt): Likewise.
852         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
853         (get_replaced_param_substitute): Likewise.
854         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
855         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
856         * tree-ssa-pre.c (get_representative_for): Likewise.
857         (create_expression_by_pieces): Likewise.
858         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
859         (create_tailcall_accumulator): Likewise.
860
861 2010-04-19  Martin Jambor  <mjambor@suse.cz>
862
863         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
864         new_stmt.
865         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
866
867 2010-04-19  Richard Guenther  <rguenther@suse.de>
868
869         PR tree-optimization/43796
870         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
871         from SCEV in the lattice.
872         (vrp_visit_phi_node): Dump change.
873
874 2010-04-19  Richard Guenther  <rguenther@suse.de>
875
876         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
877         * configure: Re-generated.
878
879 2010-04-19  Richard Guenther  <rguenther@suse.de>
880
881         PR tree-optimization/43783
882         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
883         constant ARRAY_REF operands two and three if possible.
884
885 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
886
887         PR target/43766
888         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
889
890 2010-04-19  Jie Zhang  <jie@codesourcery.com>
891
892         PR target/43662
893         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
894
895 2010-04-19  Ira Rosen  <irar@il.ibm.com>
896
897         PR tree-optimization/37027
898         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
899         and macro to access it.
900         (vectorizable_reduction): Add argument.
901         (vect_get_slp_defs): Likewise.
902         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
903         statements for possible use in SLP.
904         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
905         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
906         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
907         add new argument.
908         (vectorizable_reduction): Likewise.
909         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
910         vect_get_slp_defs.
911         (vectorizable_type_demotion, vectorizable_type_promotion,
912         vectorizable_store): Likewise.
913         (vect_analyze_stmt): Update call to vectorizable_reduction.
914         (vect_transform_stmt): Likewise.
915         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
916         (vect_build_slp_tree): Fix indentation. Check that there are no loads
917         from different interleaving chains in same node.
918         (vect_slp_rearrange_stmts): New function.
919         (vect_supported_load_permutation_p): Allow load permutations for
920         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
921         inside SLP nodes if necessary.
922         (vect_analyze_slp_instance): Handle reductions.
923         (vect_analyze_slp): Try to build SLP instances originating from groups
924         of reductions.
925         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
926         (vect_get_constant_vectors): Create initial vectors for reductions
927         according to reduction code. Add new argument.
928         (vect_get_slp_defs): Add new argument, pass it to
929         vect_get_constant_vectors.
930         (vect_schedule_slp_instance): Remove SLP tree root statements.
931
932 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
933
934         * tree.h (ENUM_IS_SCOPED): Define.
935         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
936         for ENUM_IS_SCOPED enums.
937
938 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
939
940         * fold-const.c (fold_comparison): Use ssizetype.
941         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
942         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
943         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
944         * tree-object-size.c (compute_object_sizes): Use size_type_node.
945
946         * tree.h (initialize_sizetypes): Remove parameter.
947         (build_common_tree_nodes): Remove second parameter.
948         * stor-layout.c (initialize_sizetypes): Remove parameter.
949         Always create an unsigned type.
950         (set_sizetype): Assert that the passed type is unsigned and simplify.
951         * tree.c (build_common_tree_nodes): Remove second parameter.
952         Adjust call to initialize_sizetypes.
953         * c-decl.c (c_init_decl_processing): Remove second argument in call to
954         build_common_tree_nodes.
955
956 2010-04-18  Matthias Klose  <doko@ubuntu.com>
957
958         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
959
960 2010-04-18  Ira Rosen  <irar@il.ibm.com>
961
962         PR tree-optimization/43771
963         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
964         load permutation doesn't have gaps.
965
966 2010-04-18  Jan Hubicka  <jh@suse.cz>
967
968         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
969         (sse_prologue_save_insn expander): Use new pattern.
970         (sse_prologue_save_insn1): New pattern and splitter.
971         (sse_prologue_save_insn): Update to deal also with 64bit aligned
972         blocks.
973         * i386.c (setup_incoming_varargs_64): Do not compute jump
974         destination here.
975         (ix86_gimplify_va_arg): Update alignment needed.
976         (ix86_local_alignment): Do not align all local arrays to 128bit.
977
978 2010-04-17  Jan Hubicka  <jh@suse.cz>
979
980         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
981
982 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
983
984         * arm.md (negdi2): Remove redundant code to force values into a
985         register.
986
987 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
988
989         * arm/bpabi.S: Add EABI alignment attributes to objects.
990         * arm/bpabi-v6m.S: Likewise.
991         * arm/crti.asm: Likewise.
992         * arm/crtn.asm: Likewise.
993         * arm/lib1funcs.asm: Likewise.
994         * arm/libunwind.S: Likewise.
995
996 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
997
998         * arm-protos.h (tune_params): New structure.
999         * arm.c (current_tune): New variable.
1000         (arm_constant_limit): Delete.
1001         (struct processors): Add pointer to the tune parameters.
1002         (arm_slowmul_tune): New tuning option.
1003         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1004         (all_cores): Adjust to pick up the tuning model.
1005         (arm_constant_limit): New function.
1006         (arm_override_options): Select the appropriate tuning model.  Delete
1007         initialization of arm_const_limit.
1008         (arm_split_constant): Use the new constant-limit model.
1009         (arm_rtx_costs): Pick up the current tuning model.
1010         * arm.md (is_strongarm, is_xscale): Delete.
1011         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1012         for Xscale variant architectures.
1013         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1014
1015 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1016
1017         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1018         can_shift.
1019         (arm_rtx_costs_1): Remove unused variable extra_cost.
1020         (arm_unwind_emit_set): Use variable offset.
1021         (thumb1_output_casesi): Remove unused variable flags.
1022
1023 2010-04-16  Jeff Law  <law@redhat.com>
1024
1025         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1026         needing assignment rather than doing a two-phase assignment.  Remove
1027         unused variable 'm'.
1028
1029 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1030
1031         PR bootstrap/43767
1032         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1033
1034 2010-04-16  Doug Kwan  <dougkwan@google.com>
1035
1036         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1037         (next_operand_entry_id): New static variable.
1038         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1039         (add_to_ops_vec): Assigned unique ID to operand entry.
1040         (struct oecount_s): New field ID.
1041         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1042         (undistribute_ops_list): Assign unique IDs to oecounts.
1043         (init_reassoc): reset next_operand_entry_id.
1044
1045 2010-04-16  Doug Kwan  <dougkwan@google.com>
1046
1047         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1048         missing left parenthesis.
1049
1050 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1051
1052         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1053         *btdi_rex64 using SWI48 mode iterator.
1054         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1055         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1056         *jcc_btdi_mask_rex64.
1057
1058 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1059
1060         * double-int.h (tree_to_double_int): Convert to macro.
1061         * double-int.c (tree_to_double_int): Remove.
1062
1063 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR debug/43762
1066         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1067         with want_address 2 and in case a single element list might be
1068         possible, call it again with want_address 0.
1069
1070 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1071
1072         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1073         case 'W' print operands for HI mode.
1074         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1075         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1076         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1077         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1078
1079         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1080
1081         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1082         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1083         #xx:3 and #xx:4 mode.
1084
1085         * config/h8300/h8300.md (inverted load with HImode dest): Add
1086         support for H8300SX.
1087
1088         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1089         satisfy 'U' constraint.
1090
1091 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1092
1093         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1094         * configure: Regenerate.
1095         * config.in: Regenerate.
1096         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1097         works.
1098
1099 2010-04-16  Richard Guenther  <rguenther@suse.de>
1100
1101         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1102         (struct tree_decl_common): ... here.
1103         (DECL_PT_UID): Adjust.
1104         (SET_DECL_PT_UID): Likewise.
1105         (DECL_PT_UID_SET_P): Likewise.
1106
1107 2010-04-16  Richard Guenther  <rguenther@suse.de>
1108
1109         PR tree-optimization/43572
1110         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1111         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1112         * tree-flow.h (is_call_clobbered): Remove.
1113         * tree-flow-inline.h (is_call_clobbered): Likewise.
1114         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1115         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1116         (execute_return_slot_opt): Adjust.
1117         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1118         check for call clobbered vars here.
1119         (find_tail_calls): Move tailcall verification to the
1120         proper place.
1121
1122 2010-04-16  Diego Novillo  <dnovillo@google.com>
1123
1124         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1125
1126 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1127
1128         PR target/40603
1129         * config/arm/arm.md (cbranchqi4): New pattern.
1130         * config/arm/predicates.md (const0_operand,
1131         cbranchqi4_comparison_operator): New predicates.
1132
1133 2010-04-16  Richard Guenther  <rguenther@suse.de>
1134
1135         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1136         (dump_gimple_stmt): Likewise.
1137
1138 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1139
1140         * recog.h (struct recog_data): New field is_operator.
1141         (struct insn_operand_data): New field is_operator.
1142         * recog.c (extract_insn): Set recog_data.is_operator.
1143         * genoutput.c (output_operand_data): Emit code to set the
1144         is_operator field.
1145         * reload.c (find_reloads): Use it rather than testing for an
1146         empty constraint string.
1147
1148         PR target/41514
1149         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1150         If the previous insn is a cbranchsi4_insn with the same arguments,
1151         omit the compare instruction.
1152
1153         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1154         register, inputs must be low registers and we need a low register
1155         scratch.  Handle alternative 2 like alternative 3.
1156
1157 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1158
1159         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1160         don't call get_addr on both.  If one expression is a VALUE and
1161         the other a REG, check VALUE's locs if the REG isn't among them.
1162
1163 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1164
1165         * config/sh/sh.h (sh_frame_pointer_required): New function.
1166         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1167         (flag_omit_frame_pointer) Set.
1168         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1169         (rounded_frame_size): Adjust size with outgoing_args_size.
1170         (sh_set_return_address): Must return from stack pointer.
1171         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1172         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1173         (ACCUMULATE_OUTGOING_ARGS): Define.
1174         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1175         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1176
1177 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1178
1179         PR target/43471
1180         * config/sh/sh.c (sh_legitimize_reload_address): Use
1181         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1182         Remove a unneeded check for offset_base.
1183
1184 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         * configure: Regenerated.
1187
1188 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1189
1190         * config/s390/s390.c (s390_call_save_register_used): Switch back
1191         to HARD_REGNO_NREGS.
1192
1193 2010-04-15  Richard Guenther  <rguenther@suse.de>
1194
1195         * alias.c (alias_set_subset_of): Handle alias-set zero
1196         child properly.
1197
1198 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1199             Julian Brown  <julian@codesourcery.com>
1200
1201         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1202         alternatives according to use of high and low regs.
1203         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1204         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1205         optimizing for size on Thumb-2.
1206
1207 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1208
1209         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1210
1211 2010-04-15  Richard Guenther  <rguenther@suse.de>
1212
1213         * tree-ssa-structalias.c (struct variable_info): Add
1214         is_fn_info flag.
1215         (new_var_info): Initialize it.
1216         (dump_constraints): Support printing last added constraints.
1217         (debug_constraints): Adjust.
1218         (dump_constraint_graph): Likewise.
1219         (make_heapvar_for): Check for NULL cfun.
1220         (get_function_part_constraint): New function.
1221         (get_fi_for_callee): Likewise.
1222         (find_func_aliases): Properly implement IPA PTA constraints.
1223         (process_ipa_clobber): New function.
1224         (find_func_clobbers): Likewise.
1225         (insert_into_field_list_sorted): Remove.
1226         (create_function_info_for): Properly allocate vars for IPA mode.
1227         Do not use insert_into_field_list_sorted.
1228         (create_variable_info_for): Properly generate constraints for
1229         global vars in IPA mode.
1230         (dump_solution_for_var): Always dump the solution.
1231         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1232         (find_what_var_points_to): Adjust.
1233         (pt_solution_set): Change.
1234         (pt_solution_ior_into): New function.
1235         (pt_solution_empty_p): Export.
1236         (pt_solution_includes_global): Adjust.
1237         (pt_solution_includes_1): Likewise.
1238         (pt_solutions_intersect_1): Likewise.
1239         (dump_sa_points_to_info): Check some invariants.
1240         (solve_constraints): Move constraint dumping ...
1241         (compute_points_to_sets): ... here.
1242         (ipa_pta_execute): ... and here.
1243         (compute_may_aliases): Do not re-compute points-to info
1244         locally if IPA info is available.
1245         (ipa_escaped_pt): New global var.
1246         (ipa_pta_execute): Properly implement IPA PTA.
1247         * tree-into-ssa.c (dump_decl_set): Support dumping
1248         decls not in referenced-vars.
1249         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1250         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1251         (dump_points_to_solution): Likewise.
1252         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1253         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1254         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1255         (copy_decl_to_var): Copy DECL_PT_UID.
1256         (copy_result_decl_to_var): Likewise.
1257         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1258         (copy_node_stat): Copy it.
1259         * tree.h (DECL_PT_UID): New macro.
1260         (SET_DECL_PT_UID): Likewise.
1261         (DECL_PT_UID_SET_P): Likewise.
1262         (struct tree_decl_minimal): Add pt_uid member.
1263         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1264         (pt_solution_empty_p): Declare.
1265         (pt_solution_set): Adjust.
1266         (ipa_escaped_pt): Declare.
1267         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1268         * gimple-pretty-print.c (pp_points_to_solution): New function.
1269         (dump_gimple_call): Dump call clobber/use information.
1270         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1271         * tree-pass.h (TDF_ALIAS): New dump option.
1272         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1273         * doc/invoke.texi (-fipa-pta): Update documentation.
1274
1275 2010-04-15  Richard Guenther  <rguenther@suse.de>
1276
1277         * Makefile.in (OBJS-common): Add gimple-fold.o.
1278         (gimple-fold.o): New rule.
1279         * tree.h (maybe_fold_offset_to_reference,
1280         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1281         prototypes ...
1282         * gimple.h: ... here.
1283         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1284         may_propagate_address_into_dereference): Move prototypes ...
1285         * gimple.h: ... here.
1286         * tree-ssa-ccp.c (get_symbol_constant_value,
1287         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1288         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1289         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1290         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1291         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1292         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1293         gimplify_and_update_call_from_tree): Move ...
1294         * gimple-fold.c: ... here.  New file.
1295         (ccp_fold_builtin): Rename to ...
1296         (gimple_fold_builtin): ... this.
1297         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1298
1299 2010-04-15  Richard Guenther  <rguenther@suse.de>
1300
1301         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1302         fit_double_type, force_fit_type_double, add_double_with_sign,
1303         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1304         lrotate_double, rrotate_double, div_and_round_double): Move ...
1305         * double-int.c: ... here.
1306         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1307         add_double, neg_double, mul_double_with_sign, mul_double,
1308         lshift_double, rshift_double, lrotate_double, rrotate_double,
1309         div_and_round_double): Move prototypes ...
1310         * double-int.h: ... here.
1311
1312 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1313
1314         PR target/43742
1315         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1316         matching constraints to ensure inputs match the output.
1317
1318 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1319
1320         PR target/43742
1321         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1322         in an input-only operand.
1323
1324 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1325
1326         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1327         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1328         (double_int_negative_p): Convert to static inline function.
1329         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1330         (double_int_negative_p): Remove.
1331         * tree.h (lshift_double, rshift_double):
1332         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1333         * fold-const.c (fold_convert_const_int_from_real,
1334         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1335         (lshift_double): Change type of arith argument to bool.
1336         (rshift_double): Change type of arith argument to bool. Correct
1337         comment.
1338         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1339
1340 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1341
1342         PR target/21803
1343         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1344         at the start and end of the then/else blocks, and omit them from the
1345         conversion.
1346         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1347         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1348         (flow_find_head_matching_sequence): New function.
1349         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1350         * basic-block.h (flow_find_cross_jump,
1351         flow_find_head_matching_sequence): Declare functions.
1352
1353 2010-04-14  Jason Merrill  <jason@redhat.com>
1354
1355         PR c++/36625
1356         * c-common.c (attribute_takes_identifier_p): New fn.
1357         * c-common.h: Declare it.
1358
1359 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1362         splitter condition.
1363         (*udivmod<mode>4): Ditto.
1364
1365 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1366
1367         * config/i386/i386.md (maxmin_int): Rename code attribute from
1368         maxminiprefix and update all users.
1369         (maxmin_float): Ditto from maxminfprefix.
1370         (logic): Ditto from logicprefix.
1371         (absneg_mnemonic): Ditto from absnegprefix.
1372         * config/i386/mmx.md: Update all users of maxminiprefix,
1373         maxminfprefix and logicprefix for rename.
1374         * config/i386/sse.md: Ditto.
1375         * config/i386/sync.md (sync_<code><mode>): Update for
1376         logicprefix rename.
1377
1378 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1379
1380         PR 42966
1381         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1382         warnings converted to errors.
1383
1384 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1387         used insn_type variable.
1388         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1389         to avoid set-but-not-used warning.
1390
1391 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1392
1393         * df-core.c (df_ref_debug): Change format string placeholder
1394         from 0x%x to %#x.
1395         * dwarf2asm.c (dw2_asm_output_data_raw,
1396         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1397         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1398         * dwarf2out.c (output_cfi, output_cfi_directive,
1399         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1400         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1401         Ditto.
1402         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1403         * print-rtl.c (print_rtx): Ditto.
1404
1405 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1406
1407         PR middle-end/42694
1408         * builtins.c (expand_builtin_pow_root): New function to expand pow
1409         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1410         series of sqrt and cbrt calls under -ffast-math.
1411         (expand_builtin_pow): Call it.
1412
1413 2010-04-14  Michael Matz  <matz@suse.de>
1414
1415         PR tree-optimization/42963
1416         * tree-cfg.c (touched_switch_bbs): New static variable.
1417         (group_case_labels_stmt): New function broken out from ...
1418         (group_case_labels): ... here, use the above.
1419         (start_recording_case_labels): Allocate touched_switch_bbs.
1420         (end_recording_case_labels): Deallocate it, call
1421         group_case_labels_stmt.
1422         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1423
1424 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1425
1426         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1427         from insn template.
1428
1429 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1432
1433 2010-04-13  Jan Hubicka  <jh@suse.cz>
1434
1435         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1436         of optimized out static functions.
1437         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1438         cost computation.  Also sanity check for overflows.
1439         (update_caller_keys): Update cgraph_edge_badness call; properly
1440         update fibheap and sanity check that it is up to date.
1441         (add_new_edges_to_heap): Update cgraph_edge_badness.
1442         (cgraph_decide_inlining_of_small_function): Likewise;
1443         add sanity checking that badness in heap is up to date;
1444         improve dumping of reason; Update badness of calls to the
1445         offline copy of function currently inlined; dump badness
1446         of functions not inlined because of unit growth limits.
1447
1448 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1449
1450         PR middle-end/32628
1451         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1452         because of sign-extension change when converting to sizetype here...
1453         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1454
1455         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1456         the folding to constants.  Remove redundant final conversion.
1457         (fold_binary) <associate>: Do not associate if the re-association of
1458         constants alone overflows.
1459         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1460         to the end of the list.
1461         (multiple_of_p) <COND_EXPR>: New case.
1462
1463 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1464
1465         * opt-functions.awk (opt_sanitized_name): New.
1466         (opt_enum): New.
1467         * optc-gen.awk: Use it
1468         * opth-gen.awk: Use it.
1469
1470 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1471
1472         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1473         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1474         children.  Call replace_uses_with_default_def_ssa_name to handle
1475         SSA_NAES on lhs.
1476
1477 2010-04-13  Michael Matz  <matz@suse.de>
1478
1479         PR middle-end/43730
1480         * builtins.c (expand_builtin_interclass_mathfn): Also create
1481         a register if the predicate doesn't match.
1482
1483 2010-04-13  Diego Novillo  <dnovillo@google.com>
1484
1485         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1486         * c-pch.c: Include timevar.h.
1487         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1488         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1489         * ggc-common.c: Include timevar.h.
1490         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1491         * timevar.def (TV_PCH_SAVE): Define.
1492         (TV_PCH_CPP_SAVE): Define.
1493         (TV_PCH_PTR_REALLOC): Define.
1494         (TV_PCH_PTR_SORT): Define.
1495         (TV_PCH_RESTORE): Define.
1496         (TV_PCH_CPP_RESTORE): Define.
1497
1498 2010-04-13  Michael Matz  <matz@suse.de>
1499
1500         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1501         into MINUS_EXPRs.
1502         (can_reassociate_p): New function.
1503         (break_up_subtract_bb, reassociate_bb): Use it.
1504
1505 2010-04-13  Richard Guenther  <rguenther@suse.de>
1506
1507         PR bootstrap/43737
1508         * builtins.c (c_readstr): Fix assert.
1509
1510 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1513         when generating cltd insn.
1514
1515         (*ashl<mode>3_1): Remove special handling for register operand 2.
1516         (*ashlsi3_1_zext): Ditto.
1517         (*ashlhi3_1): Ditto.
1518         (*ashlhi3_1_lea): Ditto.
1519         (*ashlqi3_1): Ditto.
1520         (*ashlqi3_1_lea): Ditto.
1521         (*<shiftrt_insn><mode>3_1): Ditto.
1522         (*<shiftrt_insn>si3_1_zext): Ditto.
1523         (*<shiftrt_insn>qi3_1_slp): Ditto.
1524         (*<rotate_insn><mode>3_1): Ditto.
1525         (*<rotate_insn>si3_1_zext): Ditto.
1526         (*<rotate_insn>qi3_1_slp): Ditto.
1527
1528 2010-04-13  Richard Guenther  <rguenther@suse.de>
1529
1530         * tree-ssa-structalias.c (callused_id): Remove.
1531         (call_stmt_vars): New.
1532         (get_call_vi): Likewise.
1533         (lookup_call_use_vi): Likewise.
1534         (lookup_call_clobber_vi): Likewise.
1535         (get_call_use_vi): Likewise.
1536         (get_call_clobber_vi): Likewise.
1537         (make_transitive_closure_constraints): Likewise.
1538         (handle_const_call): Adjust to do per-call call-used handling.
1539         (handle_pure_call): Likewise.
1540         (find_what_var_points_to): Remove general callused handling.
1541         (init_base_vars): Likewise.
1542         (init_alias_vars): Initialize call_stmt_vars.
1543         (compute_points_to_sets): Process call-used and call-clobbered
1544         vars for call statements.
1545         (delete_points_to_sets): Free call_stmt_vars.
1546
1547 2010-04-13  Richard Guenther  <rguenther@suse.de>
1548
1549         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1550         Only add RW dependence for dependence distance zero.
1551         Adjust maximal vectorization factor according to dependences.
1552         Move alignment handling ...
1553         (vect_find_same_alignment_drs): ... here.  New function.
1554         (vect_analyze_data_ref_dependences): Adjust.
1555         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1556         (vect_analyze_data_refs): Adjust minimal vectorization factor
1557         according to data references.
1558         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1559         dependences before determining the vectorization factor.
1560         Analyze alignment after determining the vectorization factor.
1561         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1562         dependences before alignment.
1563         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1564         Adjust prototype.
1565         (vect_analyze_data_refs): Likewise.
1566         (MAX_VECTORIZATION_FACTOR): New define.
1567
1568 2010-04-13  Duncan Sands  <baldrick@free.fr>
1569
1570         * except.h (lang_eh_type_covers): Remove.
1571         * except.c (lang_eh_type_covers): Likewise.
1572
1573 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1574             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1575
1576         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1577         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1578         UNITS_PER_LONG where it is ABI relevant.
1579         (s390_return_addr_rtx): Likewise.
1580         (s390_back_chain_rtx): Likewise.
1581         (s390_frame_area): Likewise.
1582         (s390_frame_info): Likewise.
1583         (s390_initial_elimination_offset): Likewise.
1584         (save_gprs): Likewise.
1585         (s390_emit_prologue): Likewise.
1586         (s390_emit_epilogue): Likewise.
1587         (s390_function_arg_advance): Likewise.
1588         (s390_function_arg): Likewise.
1589         (s390_va_start): Likewise.
1590         (s390_gimplify_va_arg): Likewise.
1591         (s390_function_profiler): Likewise.
1592         (s390_optimize_prologue): Likewise.
1593         (s390_rtx_costs): Likewise.
1594         (s390_secondary_reload): Likewise.
1595         (s390_promote_function_mode): Likewise.
1596         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1597         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1598         registers available.
1599         (s390_unwind_word_mode): New function.
1600         (s390_function_value): Split 64 bit values into register pair if
1601         used as return value.
1602         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1603         function call parameters.  Handle parallels.
1604         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1605         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1606         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1607         (s390_expand_setmem): Remove unused variable src_addr.
1608         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1609         deal with 64 bit registers.
1610         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1611         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1612         (UNITS_PER_LONG): New macro.
1613         * libjava/include/s390-signal.h: Define extended ucontext
1614         structure containing the upper halfs of the 64 bit registers.
1615
1616 2010-04-13  Simon Baldwin  <simonb@google.com>
1617
1618         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1619
1620 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1621
1622         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1623         rvalue on the RHS if the LHS is of a non-renamable type.
1624         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1625
1626 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1627
1628         * gcc.c (cc1_options): Handle -iplugindir before processing
1629         the cc1 spec. Only add -iplugindir once.
1630         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1631         found.
1632         * common.opt (iplugindir): Remove `Separate' property, initialize.
1633         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1634         option.
1635         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1636         (distclean): Remove plugin dir.
1637         * doc/invoke.texi: Document -iplugindir.
1638
1639 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1640
1641         * doc/plugins.texi (Loading Plugins): Document short
1642         -fplugin=foo option.
1643         (Plugin API): Mention default_plugin_dir_name function.
1644
1645         * gcc.c (find_file_spec_function): Add new declaration.
1646         (static_spec_func): Use it for "find-file".
1647         (find_file_spec_function): Add new function.
1648         (cc1_options): Add -iplugindir option if -fplugin* options found.
1649
1650         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1651
1652         * plugin.c (add_new_plugin): Updated comment, and handle short
1653         plugin name.
1654         (default_plugin_dir_name): Added new function.
1655
1656         * common.opt (iplugindir): New option to set the plugin directory.
1657
1658 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         * config/i386/i386.md (any_rotate): New code iterator.
1661         (rotate_insn): New code attribute.
1662         (rotate): Ditto.
1663         (SWIM124): New mode iterator.
1664         (<rotate_insn>ti3): New expander.
1665         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1666         any_rotate code iterator.
1667         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1668         using any_rotate code iterator and SWIM124 mode iterator.
1669         (ix86_rotlti3): New insn_and_split pattern.
1670         (ix86_rotrti3): Ditto.
1671         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1672         ix86_rotl{di,ti}3 patterns.
1673         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1674         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1675         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1676         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1677         code iterator and SWI mode iterator.
1678         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1679         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1680         code iterator.
1681         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1682         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1683         (bswap rotatert splitter): Add splitter.
1684         (bswap splitter): Macroize splitter using any_rotate code iterator.
1685         Add insn predicate to split only for TARGET_USE_XCHGB or when
1686         optimizing function for size.
1687
1688 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1689
1690         * config/pa/pa.c (emit_move_sequence): Remove use of
1691         deleted variable flag_argument_noalias.
1692
1693 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1694
1695         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1696         configurations.
1697         Add to unsupported targets list.
1698         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1699         sparc*-sun-solaris2.[567]* from target lists.
1700         * configure: Regenerate.
1701         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1702         removal.
1703         Remove Solaris 7 patch references.
1704         (Specific, sparc-sun-solaris2.7): Removed.
1705         (sparc-sun-solaris2*): Update Solaris 7 example.
1706         (sparc64-*-solaris2*): Likewise.
1707
1708 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1709
1710         * config.build (alpha*-dec-osf4*): Remove.
1711         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1712         of obsolete configurations.
1713         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1714         support.
1715         * config/alpha/t-osf4: Renamed to ...
1716         * config/alpha/t-osf5: ... this.
1717         * config/alpha/osf.h: Renamed to ...
1718         * config/alpha/osf5.h: ... this.
1719         Merged old osf5.h contents.
1720         Update comments.
1721         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1722         (EXTRA_SPECS): Removed.
1723         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1724         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1725         Document that.
1726
1727 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1728
1729         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1730
1731 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1732
1733         PR/43702
1734         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1735         __thiscall convention.
1736
1737 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1738
1739         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1740         orig_base.
1741         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1742
1743 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1744
1745         * function.c (assign_parms_initialize_all): Add unused attribute
1746         to fntype.
1747
1748 2010-04-12  Richard Guenther  <rguenther@suse.de>
1749
1750         * gsstruct.def (GSS_CALL): New.
1751         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1752         * gimple.h: Include tree-ssa-alias.h.
1753         (struct gimple_statement_call): New.
1754         (union gimple_statement_struct_d): Add gimple_call member.
1755         (gimple_call_reset_alias_info): Declare.
1756         (gimple_call_use_set): New function.
1757         (gimple_call_clobber_set): Likewise.
1758         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1759         * gimple.c (gimple_call_reset_alias_info): New function.
1760         (gimple_build_call_1): Call it.
1761         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1762         * tree-inline.c (remap_gimple_stmt): Likewise.
1763         (expand_call_inline): Remove callused handling.
1764         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1765         * tree-dfa.c (dump_variable): Likewise.
1766         * tree-parloops.c (parallelize_loops): Likewise.
1767         * tree-ssa.c (init_tree_ssa): Likewise.
1768         (delete_tree_ssa): Likewise.
1769         * tree-flow-inline.h (is_call_used): Remove.
1770         * tree-flow.h (struct gimple_df): Remove callused member.
1771         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1772         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1773         (ref_maybe_used_by_call_p_1): Simplify.
1774         (call_may_clobber_ref_p_1): Likewise.
1775         * tree-ssa-structalias.c (compute_points_to_sets): Set
1776         the call stmt used and clobbered sets.
1777         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1778         (find_tail_calls): Verify the tail call.
1779
1780 2010-04-12  Richard Guenther  <rguenther@suse.de>
1781
1782         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1783         single-iteration always-inline inlining.
1784         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1785         (cgraph_decide_inlining): Do not handle always-inline specially.
1786         (try_inline): Remove always-inline cycle detection special case.
1787         Do not recurse on always-inlines.
1788         (cgraph_early_inlining): Do not iterate if not optimizing.
1789         (cgraph_gate_early_inlining): remove.
1790         (pass_early_inline): Run unconditionally.
1791         (gate_cgraph_decide_inlining): New function.
1792         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1793         not inlining or optimizing.
1794         (cgraph_decide_inlining_of_small_functions): Also consider
1795         always-inline functions.
1796         (cgraph_default_inline_p): Return true for nodes which should
1797         disregard inline limits.
1798         (estimate_function_body_sizes): Assume zero size and time for
1799         nodes which are marked as disregarding inline limits.
1800         (cgraph_decide_recursive_inlining): Do not perform recursive
1801         inlining on always-inline nodes.
1802
1803 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR bootstrap/43699
1806         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1807         for exprs satisfying handled_component_p.
1808
1809 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1810
1811         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1812         non-constant aggregate elements.
1813
1814         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1815         is a real initialization.
1816
1817 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1818
1819         PR c/36774
1820         * c-decl.c (start_function): Move forward check for nested function.
1821
1822 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1823
1824         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1825         * config/sh/sh.c: Include reload.h.
1826         (sh_legitimize_reload_address): New.
1827         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1828         sh_legitimize_reload_address.
1829
1830 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1831
1832         * config/sh/sh.md (*movqi_pop): New insn pattern.
1833         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1834
1835 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1836
1837         * config/i386/i386.md (any_shiftrt): New code iterator.
1838         (shiftrt_insn): New code attribute.
1839         (shiftrt): Ditto.
1840         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1841         using any_shiftrt code iterator.
1842         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1843         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1844         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1845         pattern from corresponding peephole2 patterns.
1846         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1847         using any_shiftrt code iterator.
1848         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1849         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1850         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1851         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1852         *{ashr,lshr}<mode>3_cmp_zext.
1853         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1854
1855 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1856
1857         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1858         scratch register.
1859         (*lshr<mode>3_cconly): Ditto.
1860
1861 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1862
1863         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1864         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1865         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1866         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1867         DWI mode iterator.
1868         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1869         from corresponding peephole2 patterns.
1870         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1871         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1872         and *lshrdi3_1_rex64 using SWI mode iterator.
1873         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1874         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1875         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1876         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1877         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1878         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1879         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1880         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1881         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1882         SWI mode iterator.
1883
1884 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1885
1886         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1887         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1888         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1889         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1890         DWI mode iterator.
1891         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1892         from corresponding peephole2 patterns.
1893         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1894         (ashrsi3_cvt): Rename from ashrsi3_31.
1895         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1896         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1897         and x86_64_shift_adj_3 using SWI48 mode iterator.
1898         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1899         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1900         and *ashrdi3_1_rex64 using SWI mode iterator.
1901         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1902         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1903         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1904         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1905         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1906         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1907         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1908         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1909         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1910         SWI mode iterator.
1911         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1912         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1913         x86_shift<mode>_adj_3 expanders.
1914
1915 2010-04-10  Wei Guozhi  <carrot@google.com>
1916
1917         PR target/42601
1918         * config/arm/arm.c (arm_pic_static_addr): New function.
1919         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1920         a static symbol.
1921         (arm_output_addr_const_extra): Output expression for new pattern.
1922         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1923
1924 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1925
1926         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1927         not enabled.
1928
1929         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1930         * web.c: Include "insn-config.h" and "recog.h".
1931         (union_match_dups): New function.
1932         (web_main): Call it.
1933         (union_defs): Don't try to recognize match_dups.
1934
1935         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1936         if doing so would replace the entire pattern.
1937
1938 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1939
1940         PR target/43707
1941         PR target/43709
1942         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1943         and splitter pattern.  Change splitter operand 1 predicate to
1944         nonmemory_operand.
1945
1946 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1947
1948         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1949         lattices are addresses of CONST_DECLs with the same initial value.
1950         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1951         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1952
1953 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1954             Bernd Schmidt  <bernds@codesourcery.com>
1955
1956         * loop-invariant.c (replace_uses): New static function.
1957         (move_invariant_reg): Use it to ensure we can replace the uses.
1958
1959 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1960
1961         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1962         function template.
1963         (picochip_override_options): Enable section anchors only above -O1.
1964         (picochip_reorg): Fixed a couple of build warnings.
1965
1966 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1967
1968         * configure.ac (plugin -rdynamic test): Log result.
1969         * configure: Regenerate.
1970         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1971         (RDYNAMIC_SPEC): Define.
1972         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1973
1974 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1975
1976         * configure.ac: Determine Sun ld version numbers.
1977         (comdat_group): Restrict GNU ld version checks to gld.
1978         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1979         (enable_comdat): Support --enable-comdat.
1980         * configure: Regenerate.
1981         * doc/install.texi (Configuration): Document --enable-comdat.
1982
1983 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1984
1985         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1986         * config/sol2-gld.h: ... here.
1987         * config.gcc (sparc*-*-solaris2*): Reflect this.
1988         (i[34567]86-*-solaris2*): Use it.
1989
1990 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1991
1992         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1993         setup_clocks_p.
1994         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1995
1996 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1997
1998         PR 42965
1999         * diagnostic.c (diagnostic_initialize): Initialize
2000         some_warnings_are_errors.
2001         (diagnostic_finish): New.
2002         (diagnostic_action_after_output): Call it before exiting.
2003         (diagnostic_report_diagnostic): Do not print message here. Set
2004         some_warnings_are_errors.
2005         * diagnostic.h (diagnostic_context): Delete
2006         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2007         (diagnostic_finish): Declare.
2008         * toplev.c (toplev_main): Call it before exit.
2009
2010 2010-04-09  Jason Merrill  <jason@redhat.com>
2011
2012         PR c++/42623
2013         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2014         for incomplete type.
2015
2016         PR c++/41788
2017         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2018         based on a warning flag.
2019
2020 2010-04-09  Richard Guenther  <rguenther@suse.de>
2021
2022         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2023
2024 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2025
2026         PR bootstrap/43684
2027         * varasm.c (default_assemble_visibility): Wrap vars that are
2028         set, but unused, by targets without GAS.
2029         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2030         Remove set, but unused, vars.
2031         (rs6000_legitimize_tls_address): Likewise.
2032         (altivec_expand_dst_builtin): Likewise.
2033         * config/darwin.c (machopic_classify_symbol): Likewise.
2034         (machopic_indirection_name): Likewise.
2035
2036 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2037
2038         * config/i386/i386.md (DWI): New mode iterator.
2039         (S): New mode attribute.
2040         (shift_operand): Ditto.
2041         (shift_immediate_operand): Ditto.
2042         (ashl_input_operand): Ditto.
2043         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2044         using SDWIM mode iterator.
2045         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2046         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2047         DWI mode iterator.
2048         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2049         from corresponding peephole2 patterns.
2050         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2051         and x86_64_shift_adj_1 using SWI48 mode iterator.
2052         (x86_shift<mode>_adj_2): Ditto.
2053         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2054         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2055         using SWI48 mode iterator.
2056         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2057         *ashldi3_cmp_rex64 using SWI mode iterator.
2058         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2059         *ashldi3_cconly_rex64 using SWI mode iterator.
2060         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2061         x86_shift<mode>_adj_{1,2}.
2062         (ix86_split_ashr): Ditto.
2063         (ix86_split_lshr): Ditto.
2064
2065 2010-04-09  Richard Guenther  <rguenther@suse.de>
2066
2067         * target.h (builtin_conversion): Pass in input and output types.
2068         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2069         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2070         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2071         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2072
2073         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2074         Handle AVX modes.
2075         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2076
2077 2010-04-09  Richard Guenther  <rguenther@suse.de>
2078
2079         PR target/43152
2080         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2081
2082 2010-04-09  Richard Guenther  <rguenther@suse.de>
2083
2084         * tree-vectorizer.h (struct _stmt_vec_info): Document
2085         that vectype is the type of the LHS.
2086         (supportable_widening_operation, supportable_narrowing_operation):
2087         Get both input and output vector types as arguments.
2088         (vect_is_simple_use_1): Declare.
2089         (get_same_sized_vectype): Likewise.
2090         * tree-vect-loop.c (vect_determine_vectorization_factor):
2091         Set STMT_VINFO_VECTYPE to the vector type of the def.
2092         (vectorizable_reduction): Adjust.
2093         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2094         Adjust.  Specify the output vector type.
2095         (vect_pattern_recog_1): Adjust.
2096         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2097         (vectorizable_call): Adjust.
2098         (vectorizable_conversion): Likewise.
2099         (vectorizable_operation): Likewise.
2100         (vectorizable_type_demotion): Likewise.
2101         (vectorizable_type_promotion): Likewise.
2102         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2103         the def.
2104         (vect_is_simple_use_1): New function.
2105         (supportable_widening_operation): Get both input and output
2106         vector types.
2107         (supportable_narrowing_operation): Likewise.
2108         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2109
2110 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2111
2112         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2113         __thiscall and _thiscall as predefined macros.
2114         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2115         thiscall attribute handling.
2116         (ix86_comp_type_attributes): Likewise.
2117         (ix86_function_regparm): Likewise.
2118         (ix86_return_pops_args): Likewise.
2119         (init_cumulative_args): Likewise.
2120         (find_drap_reg): Likewise.
2121         (ix86_static_chain): Likewise.
2122         (x86_this_parameter): Likewise.
2123         (x86_output_mi_thunk): Likewise.
2124         (ix86_attribute_table): Add description for thiscall attribute.
2125         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2126         * doc/extend.texi: Add documentation for thiscall.
2127
2128 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2129
2130         PR c++/28584
2131         * c.opt (Wint-to-pointer-cast): Available in C++.
2132         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2133
2134 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2135
2136         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2137         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2138         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2139         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2140         function type instead.  Reorder and simplify checks.
2141
2142         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2143
2144 2010-04-08  Jing Yu  <jingyu@google.com>
2145             Zdenek Dvorak  <ook@ucw.cz>
2146
2147         PR tree-optimization/42720
2148         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2149         loop unswitch conditions here from ...
2150         (tree_unswitch_single_loop): ... here.
2151
2152 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * tree-if-conv.c: Fix comments and simplify logic.
2155
2156 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2157
2158         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2159         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2160         (main_tree_if_conversion): Update call to tree_if_conversion.
2161
2162 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2163
2164         PR 42485
2165         * doc/invoke.texi (-b,-V): Delete.
2166         * doc/tm.texi: Do not mention -b.
2167         * gcc.c (display_help): Delete -b and -V.
2168         (process_command): Delete -b and -V.
2169         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2170
2171 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2172             Wolfgang Gellerich  <gellerich@de.ibm.com>
2173
2174         Implement target hook for loop unrolling
2175         * target.h (loop_unroll_adjust): Add a new target hook function.
2176         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2177         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2178         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2179         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2180         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2181         target hook.
2182         (decide_unroll_stupid): Likewise.
2183
2184 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2185
2186         PR target/43643
2187         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2188
2189 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2190
2191         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2192         (Specific, *-*-solaris2*): Likewise.
2193         Don't prefer Sun as over GNU as.
2194
2195 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2196
2197         * config/s390/s390.c (override_options): Adjust the z10
2198           defaults for max-unroll-times, max-completely-peeled-insns
2199           and max-completely-peel-times.
2200
2201 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2202
2203         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2204         instructions for z10.
2205         (s390_expand_setmem): Likewise.
2206         (s390_expand_cmpmem): Likewise.
2207
2208 2010-04-08  Richard Guenther  <rguenther@suse.de>
2209
2210         PR tree-optimization/43679
2211         * tree-ssa-pre.c (eliminate): Only propagate copies.
2212
2213 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2214
2215         PR bootstrap/43681
2216         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2217         set but not used variable warning.
2218
2219 2010-04-08  Wei Guozhi  <carrot@google.com>
2220
2221         PR target/41653
2222         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2223         (arm_size_rtx_costs): Call the new function when optimized for size.
2224
2225 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2226
2227         PR debug/43670
2228         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2229         op0 is not a MEM, just return NULL instead of assertion
2230         failure.
2231         (discover_nonconstant_array_refs): Don't walk debug stmts.
2232
2233 2010-04-08  Doug Kwan  <dougkwan@google.com>
2234
2235         * configure.ac: Recognize gold and do not use its version number
2236         to test ld features.
2237         * configure: Regenerate.
2238
2239 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2240
2241         PR middle-end/40815
2242         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2243         (negate_value): Move code to push elements to broken_up_substracts ...
2244         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2245         negative pair to plus_negates.
2246         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2247
2248 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2249
2250         * doc/install.texi (Configuration): Move description of
2251         --enable-lto, --with-libelf*, --enable-gold from Java section to
2252         general section.
2253
2254         * doc/generic.texi (Working with declarations)
2255         (Function Properties, C and C++ Trees): Fix typos.
2256         * doc/sourcebuild.texi (Top Level): Likewise.
2257
2258 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2259
2260         PR c/18624
2261         * tree.h (DECL_READ_P): Define.
2262         (struct tree_decl_common): Add decl_read_flag.
2263         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2264         a set but not used warning.
2265         (merge_decls): Merge DECL_READ_P flag.
2266         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2267         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2268         * c-common.c (handle_used_attribute, handle_unused_attribute):
2269         Likewise.
2270         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2271         New prototypes.
2272         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2273         New functions.
2274         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2275         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2276         c_parser_binary_expression, c_parser_cast_expression,
2277         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2278         Call default_function_array_read_conversion instead of
2279         default_function_array_conversion where needed.
2280         (c_parser_unary_expression, c_parser_conditional_expression,
2281         c_parser_postfix_expression_after_primary, c_parser_initelt):
2282         Likewise.  Call mark_exp_read where needed.
2283         (c_parser_statement_after_labels, c_parser_asm_operands,
2284         c_parser_typeof_specifier, c_parser_sizeof_expression,
2285         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2286         where needed.
2287         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2288         New.
2289         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2290         (warn_unused_but_set_parameter): Default to warn_unused
2291         && extra_warnings.
2292         * doc/invoke.texi: Document -Wunused-but-set-variable and
2293         -Wunused-but-set-parameter.
2294
2295         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2296         used count variable.
2297         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2298         when operandN variables aren't used in the body of the expander
2299         or splitter.
2300         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2301         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2302         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2303         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2304         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2305         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2306         * tree.c (PROCESS_ARG): Likewise.
2307
2308 2010-04-07  Simon Baldwin  <simonb@google.com>
2309
2310         * diagnostic.h (diagnostic_override_option_index): New macro to
2311         set a diagnostic's option_index.
2312         * c-tree.h (c_cpp_error): Add warning reason argument.
2313         * opts.c (_warning_as_error_callback): New.
2314         (register_warning_as_error_callback): Store callback for
2315         warnings enabled via enable_warning_as_error.
2316         (enable_warning_as_error): Call callback, minor code tidy.
2317         * opts.h (register_warning_as_error_callback): Declare.
2318         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2319         response to -Werror=.
2320         (c_common_init_options): Register warning_as_error_callback in opts.c.
2321         * common.opt: Add -Wno-cpp option.
2322         * c-common.c (struct reason_option_codes_t): Map cpp warning
2323         reason codes to gcc option indexes.
2324         * (c_option_controlling_cpp_error): New function, lookup the gcc
2325         option index for a cpp warning reason code.
2326         * (c_cpp_error): Add warning reason argument, call
2327         c_option_controlling_cpp_error for diagnostic_override_option_index.
2328         * doc/invoke.texi: Document -Wno-cpp.
2329
2330 2010-04-07  Richard Guenther  <rguenther@suse.de>
2331
2332         * ipa-reference.c (mark_load): Use get_base_address.
2333         (mark_store): Likewise.
2334
2335         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2336         inserting GIMPLE_NOPs into the IL.
2337         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2338         Explicitly strip handled components and indirect references.
2339
2340         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2341         folding address expressions.
2342         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2343         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2344         operand_equal_p to compare decls.
2345         (ptr_deref_may_alias_decl_p): Likewise.
2346         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2347         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2348         Handle reversed comparison ops.
2349         * tree-sra.c (asm_visit_addr): Use get_base_address.
2350         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2351         * ipa-reference.c (mark_address): Use get_base_address.
2352
2353 2010-04-07  Richard Guenther  <rguenther@suse.de>
2354
2355         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2356         Propagate constants everywhere.
2357
2358 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR debug/43516
2361         * tree.c (MAX_INT_CACHED_PREC): Define.
2362         (nonstandard_integer_type_cache): New array.
2363         (build_nonstandard_integer_type): Cache results for precision
2364         <= MAX_INT_CACHED_PREC.
2365
2366 2010-04-07  Richard Guenther  <rguenther@suse.de>
2367
2368         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2369         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2370         * common.opt: Likewise.
2371         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2372         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2373         (nonoverlapping_memrefs_p): Likewise.
2374         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2375         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2376         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2377         OPT_fargument_noalias_global for backward compatibility.
2378
2379 2010-04-07  Richard Guenther  <rguenther@suse.de>
2380
2381         PR tree-optimization/43270
2382         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2383         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2384         * tree-ssa-pre.c (phi_translate_1): Adjust.
2385         (fully_constant_expression): Split out vn_reference handling to ...
2386         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2387         Fold reads from constant strings.
2388         (vn_reference_lookup): Handle fully constant references.
2389         (vn_reference_lookup_pieces): Likewise.
2390         * Makefile.in (expmed.o-warn): Add -Wno-error.
2391
2392 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2393
2394         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2395
2396 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2397
2398         PR driver/41594
2399         * gcc.c: Add -static-libstdc++ to list of recognized options.
2400
2401 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2402
2403         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2404
2405 2010-04-07  Richard Guenther  <rguenther@suse.de>
2406
2407         PR middle-end/42617
2408         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2409         bases build simple mem attributes to retain points-to information.
2410
2411 2010-04-07  Richard Guenther  <rguenther@suse.de>
2412
2413         PR middle-end/42617
2414         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2415         preserve points-to related information.
2416
2417 2010-04-07  Richard Guenther  <rguenther@suse.de>
2418
2419         PR middle-end/42617
2420         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2421         discard plain indirect references.
2422         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2423         * tree.c (tree_nop_conversion): Likewise.
2424
2425 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2426
2427         PR debug/43628
2428         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2429
2430 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2431
2432         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2433         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2434
2435 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2436
2437         * tree-if-conv.c: Fix indentation and comments.
2438
2439 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2440
2441         * tree-if-conv.c: Sort static functions in topological order.
2442
2443 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2444
2445         * tree-if-conv.c: Fix indentation and comments.
2446
2447 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2448
2449         PR middle-end/43519
2450         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2451         lang_hooks.types.type_for_size instead of
2452         build_nonstandard_integer_type.
2453         When converting an unsigned type to signed, double its precision.
2454         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2455         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2456         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2457         use lb <= ub.
2458
2459 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2460
2461         PR middle-end/43519
2462         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2463         POINTER_PLUS_EXPR for pointer types.
2464
2465 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2466
2467         PR middle-end/43519
2468         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2469         * graphite-clast-to-gimple.c: Include langhooks.h.
2470         (max_signed_precision_type): New.
2471         (max_precision_type): Takes two types as arguments.
2472         (precision_for_value): New.
2473         (precision_for_interval): New.
2474         (gcc_type_for_interval): New.
2475         (gcc_type_for_value): New.
2476         (gcc_type_for_clast_term): New.
2477         (gcc_type_for_clast_red): New.
2478         (gcc_type_for_clast_bin): New.
2479         (gcc_type_for_clast_expr): Split up into several functions.
2480         (gcc_type_for_clast_eq): Rewritten.
2481         (compute_bounds_for_level): New.
2482         (compute_type_for_level_1): New.
2483         (compute_type_for_level): New.
2484         (gcc_type_for_cloog_iv): Removed.
2485         (gcc_type_for_iv_of_clast_loop): Rewritten.
2486         (graphite_create_new_loop): Compute the lower and upper bound types
2487         with gcc_type_for_clast_expr.
2488         (graphite_create_new_loop_guard): Same.
2489         (find_cloog_iv_in_expr): Removed.
2490         (compute_cloog_iv_types_1): Removed.
2491         (compute_cloog_iv_types): Removed.
2492         (gloog): Do not call compute_cloog_iv_types.
2493         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2494         GBB_CLOOG_IV_TYPES.
2495         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2496         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2497         (GBB_CLOOG_IV_TYPES): Removed.
2498
2499 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2500
2501         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2502         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2503         (detect_commutative_reduction): Same.
2504
2505 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2506
2507         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2508         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2509         argument.
2510         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2511         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2512         (rewrite_commutative_reductions_out_of_ssa): Same.
2513         * passes.c (execute_function_todo): Call verify_ssa for every pass
2514         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2515         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2516         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2517         with an extra argument.
2518         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2519         verify_ssa only when the extra argument is true.
2520         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2521         with an extra argument.
2522         (tree_transform_and_unroll_loop): Same.
2523
2524 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2525
2526         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2527         for all the passes of the LNO having LOOP_CLOSED_SSA.
2528         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2529         * tree-loop-distribution.c (pass_loop_distribution): Same.
2530         * tree-pass.h (TODO_verify_loops): Removed.
2531         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2532         (pass_lim): Same.
2533         (pass_tree_unswitch): Same.
2534         (pass_predcom): Same.
2535         (pass_vectorize): Same.
2536         (pass_linear_transform): Same.
2537         (pass_graphite_transforms): Same.
2538         (pass_iv_canon): Same.
2539         (pass_complete_unroll): Same.
2540         (pass_complete_unrolli): Same.
2541         (pass_parallelize_loops): Same.
2542         (pass_loop_prefetch): Same.
2543         (pass_iv_optimize): Same.
2544
2545 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2546
2547         PR middle-end/32824
2548         * passes.c (init_optimization_passes): Move pass_lim before
2549         pass_copy_prop and pass_dce_loop.
2550
2551 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2552
2553         PR target/43667
2554         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2555         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2556         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2557         MULTI_* defines for 4 argument vpermil2p* builtins.
2558
2559 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2560
2561         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2562         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2563         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2564         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2565         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2566         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2567         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2568         Use x86_maybe_negate_const_int to output insn mnemonic.
2569         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2570         check from instruction predicate.  Update comments.
2571         * config/i386/sync.md (sync_add<mode>): Use
2572         x86_maybe_negate_const_int to output insn mnemonic.
2573
2574 2010-04-06  Jan Hubicka  <jh@suse.cz>
2575
2576         PR tree-optimization/42906
2577         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2578         IGNORE_SELF argument.  Set visited_control_parents for fully
2579         processed BBs.
2580         (find_obviously_necessary_stmts): Update call of
2581         mark_control_dependent_edges_necessary.
2582         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2583
2584 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2585
2586         * config/i386/i386.md: Remove comment about 'e' and 'E'
2587         operand modifier.
2588
2589 2010-04-06  Richard Guenther  <rguenther@suse.de>
2590
2591         PR tree-optimization/43627
2592         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2593         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2594         not varying.
2595
2596 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2597
2598         * BASE-VER: Change to 4.6.0.
2599
2600         PR target/43638
2601         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2602         handling.
2603
2604 2010-04-06  Richard Guenther  <rguenther@suse.de>
2605
2606         PR middle-end/43661
2607         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2608
2609 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2610
2611         * doc/invoke.texi (Optimize Options): Document that LTO
2612         won't remove object access purely due to incompatible
2613         declarations.
2614
2615 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2616
2617         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2618         Initialize variable.
2619
2620 2010-04-03  Richard Guenther  <rguenther@suse.de>
2621
2622         PR middle-end/42509
2623         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2624         require a non-NULL MEM_OFFSET.
2625
2626 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2627
2628         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2629         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2630         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2631         config/alpha/predicates.md, config/arm/arm.md,
2632         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2633         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2634         config/darwin9.h, config/darwin.c, config/darwin.h,
2635         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2636         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2637         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2638         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2639         config/mips/mips.md, config/mn10300/mn10300.c,
2640         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2641         config/rs6000/aix.h, config/rs6000/dfp.md,
2642         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2643         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2644         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2645         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2646         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2647         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2648         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2649         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2650         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2651         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2652         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2653         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2654         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2655         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2656         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2657         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2658         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2659         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2660         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2661         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2662         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2663         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2664         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2665         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2666         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2667         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2668         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2669         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2670         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2671         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2672         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2673         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2674         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2675         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2676         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2677         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2678
2679 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2680
2681         PR other/43620
2682         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2683         * aclocal.m4: Regenerate.
2684
2685 2010-04-02  Richard Guenther  <rguenther@suse.de>
2686
2687         PR tree-optimization/43629
2688         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2689         if we have seen a constant value.
2690
2691 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2692
2693         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2694
2695 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2696
2697         PR target/43469
2698         * arm.c (legitimize_tls_address): Adjust call to
2699         gen_tls_load_dot_plus_four.
2700         (arm_note_pic_base): New function.
2701         (arm_cannot_copy_insn_p): Use it.
2702         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2703         constraint.
2704
2705 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2706
2707         PR bootstrap/43531
2708
2709         Revert:
2710         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2711
2712         * Makefile.in ($(out_object_file)): Depend on
2713         gt-$(basename $(notdir $(out_file))).h.
2714
2715 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2716
2717         * config.gcc (lm32-*-rtems*): Add t-lm32.
2718
2719 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2720
2721         * config.gcc: Add lm32-*-rtems*.
2722         * config/lm32/rtems.h: New file.
2723
2724 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2725
2726         PR target/42609
2727         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2728
2729 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2730
2731         * dwarf2out.c (output_compilation_unit_header): For
2732         -gdwarf-4 use version 4 instead of version 3.
2733         (output_line_info): For version 4 and above emit additional
2734         maximum ops per insn header field.
2735         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2736
2737         * dwarf2out.c (is_c_family, is_java): Remove.
2738         (lower_bound_default): New function.
2739         (add_bound_info, gen_descr_array_type_die): Use it.
2740
2741 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2742
2743         PR debug/43325
2744         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2745         re-declaration when it happens in a function.
2746
2747 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2748
2749         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2750         (cgraph_remove_function_insertion_hook): Same.
2751         (cgraph_call_function_insertion_hooks): Same.
2752
2753 2010-04-01  Richard Guenther  <rguenther@suse.de>
2754
2755         PR middle-end/43614
2756         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2757         and TREE_THIS_VOLATILE.
2758         (copy_ref_info): Likewise.
2759         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2760         * tree.c (build6_stat): Ignore side-effects of all but arg5
2761         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2762         TARGET_MEM_REF.
2763
2764 2010-04-01  Richard Guenther  <rguenther@suse.de>
2765
2766         PR tree-optimization/43607
2767         * ipa-type-escape.c (check_call): Do not access non-existing
2768         arguments.
2769
2770 2010-04-01  Richard Guenther  <rguenther@suse.de>
2771
2772         PR middle-end/43602
2773         Revert
2774         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2775                     Jack Howarth <howarth@bromo.med.uc.edu>
2776
2777         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2778         variables TLS.
2779
2780 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2781
2782         * doc/install.texi (Prerequisites): Document libelf usability on
2783         IRIX 5/6 and Solaris 2.
2784         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2785         Update GNU as, GNU ld requirements.
2786         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2787         Document Sun Studio compiler download.
2788         Update and simplify as, ld recommendations.
2789         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2790
2791 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2792
2793         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2794         with_tune_32 to pentium4.
2795
2796 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2799
2800 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2801
2802         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2803         obsoletion, removal.
2804         Update IDO URL.
2805         Document GNU as requirement.
2806         Update configure requirements.
2807         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2808         Recomment IRIX 6.5.18+.
2809         Document IDF/IDL requirement.
2810         Document GNU as requirement.
2811         Document GNU ld bootstrap failure.
2812         Remove freeware.sgi.com reference.
2813
2814 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2815
2816         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2817         UNIX V4.0, V5.0 obsoletion, removal.
2818         Remove --with-gc=simple reference.
2819         Update VM requirements during bootstrap.
2820         Remove -oldas bootstrap description.
2821         Update binutils reference.
2822         Remove comparison failure note.
2823
2824 2010-03-31  Richard Guenther  <rguenther@suse.de>
2825             Zdenek Dvorak  <ook@ucw.cz>
2826             Sebastian Pop  <sebastian.pop@amd.com>
2827
2828         PR middle-end/43464
2829         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2830         with multiple arguments.
2831         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2832
2833 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * graphite-dependences.c (print_pddr): Call print_pdr with an
2836         extra argument.
2837         * graphite-poly.c (debug_pdr): Add an extra argument for the
2838         verbosity level.
2839         (print_pdr): Same.
2840         (print_pbb_domain): Same.
2841         (print_pbb): Same.
2842         (print_scop_context): Same.
2843         (print_scop): Same.
2844         (print_cloog): Same.
2845         (debug_pbb_domain): Same.
2846         (debug_pbb): Same.
2847         (print_pdrs): Same.
2848         (debug_pdrs): Same.
2849         (debug_scop_context): Same.
2850         (debug_scop): Same.
2851         (debug_cloog): Same.
2852         (print_scop_params): Same.
2853         (debug_scop_params): Same.
2854         (print_iteration_domain): Same.
2855         (print_iteration_domains): Same.
2856         (debug_iteration_domain): Same.
2857         (debug_iteration_domains): Same.
2858         (print_scattering_function): Same.
2859         (print_scattering_functions): Same.
2860         (debug_scattering_function): Same.
2861         (debug_scattering_functions): Same.
2862         * graphite-poly.h (debug_pdr): Update declaration.
2863         (print_pdr): Same.
2864         (print_pbb_domain): Same.
2865         (print_pbb): Same.
2866         (print_scop_context): Same.
2867         (print_scop): Same.
2868         (print_cloog): Same.
2869         (debug_pbb_domain): Same.
2870         (debug_pbb): Same.
2871         (print_pdrs): Same.
2872         (debug_pdrs): Same.
2873         (debug_scop_context): Same.
2874         (debug_scop): Same.
2875         (debug_cloog): Same.
2876         (print_scop_params): Same.
2877         (debug_scop_params): Same.
2878         (print_iteration_domain): Same.
2879         (print_iteration_domains): Same.
2880         (debug_iteration_domain): Same.
2881         (debug_iteration_domains): Same.
2882         (print_scattering_function): Same.
2883         (print_scattering_functions): Same.
2884         (debug_scattering_function): Same.
2885         (debug_scattering_functions): Same.
2886
2887 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         * graphite-poly.c (print_scattering_function_1): New.
2890         (print_scattering_function): Call it.
2891         (print_scop_params): Remove spaces at the end of lines.
2892         (print_cloog): New.
2893         (debug_cloog): New.
2894         * graphite-poly.h (print_cloog): Declared.
2895         (debug_cloog): Declared.
2896
2897 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2898
2899         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2900         in loop->header.
2901         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2902         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2903         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2904         to switch between adding the IV bump in loop->latch or in loop->header.
2905
2906 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2907
2908         * graphite-poly.c (print_scattering_function): Pretty print following
2909         the scoplib format.
2910         (print_pdr): Same.
2911         (print_pbb_domain): Same.
2912         (dump_gbb_cases): Same.
2913         (dump_gbb_conditions): Same.
2914         (print_pdrs): Same.
2915         (print_pbb): Same.
2916         (print_scop_params): Same.
2917         (print_scop_context): Same.
2918         (print_scop): Same.
2919         (print_pbb_body): New.
2920         (lst_indent_to): New.
2921         (print_lst): Start new lines with a #.
2922         * graphite-poly.h (pbb_bb): New.
2923         (pbb_index): Use pbb_bb.
2924         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2925         disjuncts.
2926         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2927
2928 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2929
2930         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2931         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2932         and 0 instead of 1 for dw_val_class_flag.
2933         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2934         dw_val_class_range_list, dw_val_class_loc_list,
2935         dw_val_class_lineptr and dw_val_class_macptr, use
2936         DW_FORM_flag_present for dw_val_class_flag and
2937         DW_FORM_exprloc for dw_val_class_loc.
2938         (output_die): For -gdwarf-4 print dw_val_class_loc
2939         size as uleb128 instead of 1 or 2 bytes and don't print
2940         anything for dw_val_class_flag.
2941
2942         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2943         instead of cselib_lookup following by tweaking locs->setting_insn.
2944
2945         PR bootstrap/43596
2946         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2947         even before returning from label, setjmp call or volatile asm
2948         handling.
2949
2950 2010-03-31  Richard Guenther  <rguenther@suse.de>
2951
2952         PR middle-end/43600
2953         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2954         temporary data on stack.
2955
2956 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2957
2958         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2959         (PUSHSECTION_ASM_OP): Remove.
2960         (POPSECTION_ASM_OP): Remove.
2961         (PUSHSECTION_FORMAT): Remove.
2962         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2963         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2964         * config/sol2.c (solaris_output_init_fini): Use it.
2965
2966 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2967
2968         PR 43574
2969         * opt-functions.awk (var_type_struct): Use signed char type
2970         for simple variables.
2971
2972 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2973
2974         * config/sol2.c: Include output.h.
2975         (solaris_assemble_visibility): New function.
2976         * config/t-sol2 (sol2.o): Add output.h dependency.
2977         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2978         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2979         Redefine.
2980
2981 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR target/43580
2984         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2985         V2SImode or XFmode on PRE_DEC.
2986
2987         PR debug/43557
2988         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2989         BLKmode.
2990
2991 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2992
2993         PR 43562
2994         * reload.h (caller_save_initialized_p): Declare.
2995         * toplev.c (backend_init_target): Don't call
2996         init_caller_save but set caller_save_initialized_p to false.
2997         * caller-save.c (caller_save_initialized_p): Define.
2998         (init_caller_save): Check caller_save_initialized_p.
2999         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3000
3001 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3002
3003         PR target/39048
3004         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3005         and soft-fp/t-softfp to tmake_file.
3006         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3007         (LIBGCC2_TF_CEXT): Define.
3008         (TF_SIZE): Define.
3009
3010 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3011
3012         PR debug/42977
3013         * cselib.c (n_useless_values): Document handling of debug locs.
3014         (n_useless_debug_values, n_debug_values): New variables.
3015         (new_elt_loc_list): Don't add to debug values, keep count.
3016         (promote_debug_loc): New.
3017         (cselib_reset_table): Zero new variables.
3018         (entry_and_rtx_equal_p): Promote debug locs.
3019         (discard_useless_locs): Increment n_useless_debug_values for
3020         debug values.
3021         (remove_useless_values): Adjust n_useless_values and n_debug_values
3022         with n_useless_debug_values.
3023         (add_mem_for_addr): Promote debug locs.
3024         (cselib_lookup_mem): Likewise.
3025         (cselib_lookup_addr): Renamed to...
3026         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3027         (cselib_log_lookup): ... this.  Turn into...
3028         (cselib_lookup_addr): ... new wrapper.
3029         (cselib_lookup_from_insn): New.
3030         (cselib_invalidate_regno): Increment n_useless_debug_values for
3031         debug values.
3032         (cselib_invalidate_mem): Likewise.
3033         (cselib_process_insn): Take n_deleted and n_debug_values into
3034         account to guard remove_useless_value call.
3035         (cselib_finish): Zero n_useless_debug_values.
3036         * cselib.h (cselib_lookup_from_insn): Declare.
3037         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3038         (sched_analyze_2): Likewise.
3039
3040 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3041
3042         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3043         functions.
3044         (adjust_mems): Replace narrowing SUBREG of expression containing
3045         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3046         with operations in the narrower mode.
3047
3048         PR debug/43593
3049         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3050         regs_invalidated_by_call instead all call_used_reg_set registers.
3051
3052 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3053
3054         PR middle-end/43430
3055         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3056         pointer comparisons with types_compatible_p.
3057         * tree-vect-stmts.c (vectorizable_call): Same.
3058         (vectorizable_condition): Same.
3059
3060 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3061
3062         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3063         stack check if the mask would be zero.
3064
3065 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3066             Jack Howarth <howarth@bromo.med.uc.edu>
3067
3068         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3069         variables TLS.
3070
3071 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3072
3073         PR other/25232
3074         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3075         and __unordtf2.
3076         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3077         Include ___unordxf2 and ___unordtf2.
3078         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3079         GCC_4.4.0 here.
3080
3081 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3082
3083         * config/lm32/t-lm32: New file.
3084         * config.gcc: Use the above file when targetting lm32.
3085
3086 2010-03-28  Duncan Sands  <baldrick@free.fr>
3087
3088         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3089
3090 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3091
3092         PR middle-end/43431
3093         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3094         Improve vectorization cost model diagnostic.
3095
3096 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3097
3098         PR middle-end/43436
3099         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3100         compute_data_dependences_for_loop returns false, early exit
3101         and output an extra diagnostic for the failed data reference
3102         analysis.
3103
3104 2010-03-29  Richard Guenther  <rguenther@suse.de>
3105
3106         PR tree-optimization/43560
3107         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3108         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3109
3110 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3111
3112         PR 43564
3113         * toplev.c (process_options): Set optimization_default_node
3114         and optimization_current_node.
3115         * opts.c (decode_options): Don't set optimization_default_node
3116         and optimization_current_node.
3117
3118 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3119
3120         * config/rtems.h: Abandon -qrtems_debug.
3121
3122 2010-03-28  Jan Hubicka  <jh@suse.cz>
3123
3124         PR tree-optimization/43505
3125         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3126         map should not be copied.
3127
3128 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3129
3130         PR middle-end/41674
3131         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3132         cdtors, set DECL_PRESERVE_P.
3133         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3134         should be preseved.
3135
3136 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3137
3138         PR tree-optimization/43528
3139         * stor-layout.c (place_field): Check that constant fits into
3140         unsigned HWI when skipping calculation of MS bitfield layout.
3141
3142 2010-03-27  Jan Hubicka  <jh@suse.cz>
3143
3144         PR middle-end/43391
3145         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3146         notice_global_symbol work.
3147
3148 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3149
3150         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3151         instead of dwarf2out_decl.
3152         (struct var_loc_node): Remove section_label field.
3153         (dwarf2out_function_decl): New function.
3154         (dwarf2out_var_location): Don't set section_label field.
3155         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3156
3157 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3158
3159         PR tree-optimization/43544
3160         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3161         First argument for builtin vectorized function hook is now a
3162         tree to be able to distinguish between machine specific and
3163         standard builtins.
3164         * targhooks.c (default_builtin_vectorized_function): Ditto.
3165         * targhooks.h (default_builtin_vectorized_function): Ditto.
3166         * target.h (struct gcc_target): Ditto.
3167         * tree-vect-stmts.c (vectorizable_function): Ditto.
3168         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3169         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3170         Ditto.
3171
3172 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3173
3174         PR c/43381
3175         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3176         nested binding iff it is a FUNCTION_DECL.
3177         (store_parm_decls_newstyle): Pass nested=true to bind for
3178         FUNCTION_DECLs amongst parameters.
3179
3180 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3181
3182         * var-tracking.c (vt_expand_loc_callback): Don't run
3183         cselib_expand_value_rtx_cb in dummy mode if
3184         cselib_dummy_expand_value_rtx_cb returned false.
3185
3186         * var-tracking.c (emit_note_insn_var_location): For one part
3187         notes with offset 0, don't add EXPR_LIST around the location.
3188         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3189         add_location_or_const_value_attribute): Adjust for that change.
3190
3191         PR debug/43540
3192         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3193         into first operand and location into second.
3194         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3195         dw_cfi_oprnd_loc for DW_CFA_expression.
3196         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3197         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3198         assume first argument is regnum and second argument is location.
3199
3200 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3201
3202         PR target/42113
3203         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3204         of scratch register to DImode.  Split to DImode comparison operator.
3205         Use SImode subreg of scratch register in the multiplication.
3206         (*cmp_sadd_sidi): Ditto.
3207         (*cmp_ssub_si): Ditto.
3208         (*cmp_ssub_sidi): Ditto.
3209
3210 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3211
3212         PR target/43524
3213         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3214         Remove invalid assert and wrong comment.
3215
3216 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3217
3218         PR debug/43516
3219         * flags.h (final_insns_dump_p): New extern.
3220         * final.c (final_insns_dump_p): New variable.
3221         (rest_of_clean_state): Set it before -fdump-final-insns=
3222         dumping, clear afterwards.
3223         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3224         MEM_ALIAS_SET on MEMs.
3225
3226 2010-03-26  David S. Miller  <davem@davemloft.net>
3227
3228         * configure.ac: Fix sparc GOTDATA_OP bug check.
3229         * configure: Rebuild.
3230
3231 2010-03-26  Alan Modra  <amodra@gmail.com>
3232
3233         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3234
3235 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3236
3237         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3238         TLS_SECTION_ASM_FLAG.
3239
3240 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3241
3242         PR bootstrap/43511
3243         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3244         Clear first_function_block_is_cold.
3245
3246         PR c/43385
3247         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3248         argument if the argument is truth_value_p.
3249
3250 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3251
3252         * config/rs6000/constraints.md: Update copyright year for my changes.
3253
3254         PR target/43484
3255         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3256         used in reg+reg addressing, swap registers.
3257
3258 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3259
3260         PR debug/43293
3261         * target.h (struct gcc_target): Add code_end hook.
3262         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3263         if not yet defined.
3264         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3265         * toplev.c (compile_file): Call targetm.asm_out.code_end
3266         hook before unwind info/debug info output.
3267         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3268         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3269         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3270         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3271         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3272         * config/i386/i386.c (ix86_file_end): Renamed to...
3273         (ix86_code_end): ... this.  Make static.  Don't call
3274         file_end_indicate_exec_stack.  Emit unwind info using
3275         final_start_function/final_end_function.
3276         (darwin_x86_file_end): Remove.
3277         (TARGET_ASM_CODE_END): Define.
3278         * config/i386/i386.h (TARGET_ASM_FILE_END,
3279         NEED_INDICATE_EXEC_STACK): Don't define.
3280         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3281         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3282         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3283         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3284
3285         PR target/43498
3286         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3287         at the beginning and final_end_function at the end.
3288         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3289
3290 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3291
3292         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3293         and Sun as TLS syntax.
3294         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3295         * configure: Regenerate.
3296         * config.in: Regenerate.
3297         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3298         (default_elf_asm_named_section): Use it.
3299         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3300         (i386_output_dwarf_dtprel): Likewise.
3301         (output_addr_const_extra): Likewise.
3302         (output_pic_addr_const): Lowercase @GOTTPOFF.
3303         (output_addr_const_extra): Likewise.
3304         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3305         (output_addr_const_extra): Likewise.
3306         (output_pic_addr_const): Lowercase @INDNTPOFF.
3307         (output_addr_const_extra): Likewise.
3308         (output_pic_addr_const): Lowercase @NTPOFF.
3309         (output_addr_const_extra): Likewise.
3310         (output_pic_addr_const): Lowercase @TPOFF.
3311         (output_addr_const_extra): Likewise.
3312         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3313         (*tls_global_dynamic_64): Likewise.
3314         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3315         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3316
3317         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3318         (ASM_OUTPUT_TLS_COMMON): Use it.
3319         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3320
3321         PR target/38118
3322         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3323         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3324         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3325         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3326         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3327         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3328
3329 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3330
3331         * config/i386/i386.c (override_options): Don't accept
3332         -mtls-dialect=sun any longer.
3333         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3334         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3335         (*tls_local_dynamic_base_32_sun): Likewise.
3336         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3337
3338 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3339
3340         PR debug/43508
3341         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3342         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3343
3344         PR debug/43479
3345         * ira.c (adjust_cleared_regs): New function.
3346         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3347
3348         PR debug/19192
3349         PR debug/43479
3350         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3351         from gimple_block.
3352         * expr.c (expand_expr_real): Restore previous
3353         curr_insn_source_location and curr_insn_block after
3354         expand_expr_real_1 call.
3355         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3356         instead of expand_expr_real_1.
3357
3358 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3359
3360         PR rtl-optimization/43413
3361         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3362         hard regs too.
3363
3364 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3365
3366         PR target/43348
3367         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3368         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3369
3370 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3371
3372         * config/i386/i386.c (ix86_target_string): Add -mfma.
3373         Fix a typo in comment.
3374
3375 2010-03-22  Mike Stump  <mikestump@comcast.net>
3376
3377         PR target/23071
3378         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3379         Don't overly align based upon packed packed fields.
3380
3381 2010-03-22  Jason Merrill  <jason@redhat.com>
3382
3383         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3384         Use () rather than [], and move before the element type.
3385
3386 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3387
3388         * doc/configfiles.texi (Configuration Files): Removed
3389         fixinc/Makefile*, intl/Makefile.*.
3390         * doc/makefile.texi: Fixed markup. Abstract from version
3391         control system used.
3392         (Makefile): Removed obsolete gcc/java/parse.y example.
3393         * doc/sourcebuild.texi: Likewise.
3394         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3395         libgomp, libssp.  Removed fastjar.
3396         (Miscellaneous Docs): Clarify location.
3397         Added COPYING3, COPYING3.LIB.
3398         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3399
3400 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3401
3402         PR target/38085
3403         * config/i386/i386.c (x86_function_profiler)
3404         [!NO_PROFILE_COUNTERS]: Fix typo.
3405         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3406         instead of callq.
3407
3408 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3409             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3410
3411         * doc/sourcebuild.texi (Test Directives): Split into six
3412         subsections, with most of the current text in new subsections
3413         Directives, Selectors, and Final Actions.
3414         (Directives): Split list of test directives into multiple
3415         subsubsections.
3416         (Selectors): Describe use and syntax of selectors.
3417         (Effective-Target Keywords): Describe all existing keywords.
3418         (Add Options): Describe features for dg-add-options.
3419         (Require Support): Describe variants of dg-require-support.
3420         (Final Actions): Describe commands to use in dg-final.
3421
3422 2010-03-22  Michael Matz  <matz@suse.de>
3423
3424         PR middle-end/43475
3425         * recog.c (validate_replace_rtx_group): Replace also in
3426         REG_EQUAL and REG_EQUIV notes.
3427
3428 2010-03-22  Richard Guenther  <rguenther@suse.de>
3429
3430         PR tree-optimization/43390
3431         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3432         sure vector extracts are type correct.
3433
3434 2010-03-22  Richard Guenther  <rguenther@suse.de>
3435
3436         PR middle-end/40106
3437         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3438         x * sqrt (x) even when optimizing for size if the target
3439         has native support for sqrt.
3440
3441 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3442
3443         * varasm.c (make_decl_rtl_for_debug): Also clear
3444         flag_mudflap for the duration of make_decl_rtl call.
3445
3446         PR debug/43443
3447         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3448         locs from preserved VALUEs.
3449
3450 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3451
3452         PR middle-end/42718
3453         * pa.md (movmemsi): Set align to one if zero.
3454         (movmemdi): Likewise.
3455
3456 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3457
3458         PR target/42321
3459         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3460         with their corresponding prologue pushes.
3461
3462 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3463
3464         PR target/43156
3465         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3466         at the begining or end.
3467         (spu_expand_epilogue): Likewise.
3468
3469 2010-03-20  Richard Guenther  <rguenther@suse.de>
3470
3471         PR rtl-optimization/43438
3472         * combine.c (make_extraction): Properly zero-/sign-extend an
3473         extraction of the low part of a CONST_INT.  Also handle
3474         CONST_DOUBLE.
3475
3476 2010-03-19  Mike Stump  <mikestump@comcast.net>
3477
3478         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3479         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3480         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3481
3482 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3483
3484         PR c/43211
3485         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3486         an error.
3487
3488 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3489
3490         PR rtl-optimization/42258
3491         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3492         use that may match DEF.
3493
3494         PR target/40697
3495         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3496         the cost of loading the constant rather than assuming
3497         COSTS_N_INSNS (1).
3498         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3499         outer code is AND, do the same tests as the andsi3 expander and
3500         return COSTS_N_INSNS (1) if and is cheap.
3501
3502         * optabs.c (avoid_expensive_constant): Fix formatting.
3503
3504 2010-03-19  Michael Matz  <matz@suse.de>
3505
3506         PR c++/43116
3507         * attribs.c (decl_attributes): When rebuilding a function pointer
3508         type use the same qualifiers as the original pointer type.
3509
3510 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3511
3512         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3513         and is_gimple_ip_invariant_address.
3514
3515 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3516
3517         Revert
3518         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3519
3520         * config/arm/arm.c (arm_override_options): Turn off
3521         flag_dwarf2_cfi_asm for AAPCS variants.
3522
3523 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3524
3525         PR target/43399
3526         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3527         Use PRE_MODIFY instead of PRE_DEC.
3528         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3529         (vfp_emit_fstmd): Likewise.
3530
3531 2010-03-19  Michael Matz  <matz@suse.de>
3532
3533         PR target/43305
3534         * builtins.c (expand_builtin_interclass_mathfn,
3535         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3536         if that fails.
3537
3538 2010-03-19  Richard Guenther  <rguenther@suse.de>
3539
3540         PR tree-optimization/43415
3541         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3542         (phi_translate_1): ... this.
3543         (phi_translate): Move all caching here.  Cache all NARY
3544         and REFERENCE translations.
3545
3546 2010-03-19  David S. Miller  <davem@davemloft.net>
3547
3548         With help from Eric Botcazou.
3549         * config/sparc/sparc.c: Include dwarf2out.h.
3550         (emit_pic_helper): Delete.
3551         (pic_helper_symbol_name): Delete.
3552         (pic_helper_emitted_p): Delete.
3553         (pic_helper_needed): New.
3554         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3555         (get_pc_thunk_name): New.
3556         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3557         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3558         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3559         (sparc_expand_prologue): Update load_pic_register call.
3560         (sparc_output_mi_thunk): Likewise.
3561         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3562         thunk if possible.  Output CFI information as needed.
3563
3564 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3565             Jack Howarth <howarth@bromo.med.uc.edu>
3566
3567         PR target/36399
3568         * config/i386/i386.h: Fix ABI on darwin x86-32.
3569
3570 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3571
3572         * tree.h: Declare make_decl_rtl_for_debug.
3573         * varasm.c (make_decl_rtl_for_debug): New.
3574         * dwarf2out.c (rtl_for_decl_location): Call it.
3575         * cfgexpand.c (expand_debug_expr): Call it.
3576
3577 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3578
3579         PR bootstrap/43399
3580         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3581         mem_mode.
3582
3583         PR bootstrap/43403
3584         * var-tracking.c (vt_init_cfa_base): Do nothing if
3585         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3586
3587 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3588
3589         PR debug/42873
3590         * var-tracking.c (canonicalize_vars_star): New.
3591         (dataflow_post_merge_adjust): Use it.
3592
3593 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3594
3595         PR debug/43058
3596         * var-tracking.c (non_suitable_const): New function.
3597         (add_uses): For DEBUG_INSNs with constants, don't record any
3598         value, instead just the constant value itself.
3599         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3600         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3601         (emit_notes_in_bb): Likewise.
3602         (emit_note_insn_var_location): For onepart variables if
3603         cur_loc is a VOIDmode constant, use DECL_MODE.
3604
3605 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3606
3607         PR middle-end/42450
3608         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3609         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3610         all non-clones.  Moved call redirection...
3611         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3612         (cgraph_materialize_all_clones): Dispose of all
3613         combined_args_to_skip bitmaps.
3614         (verify_cgraph_node): Do not check for edges pointing to wrong
3615         nodes in inline clones.
3616         * tree-inline.c (copy_bb): Call
3617         cgraph_redirect_edge_call_stmt_to_callee.
3618         * ipa.c (cgraph_remove_unreachable_nodes): Call
3619         cgraph_node_remove_callees even when there are used clones.
3620
3621 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3622
3623         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3624
3625 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3626
3627         PR target/43383
3628         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3629         for 32bit.
3630
3631 2010-03-18  Michael Matz  <matz@suse.de>
3632
3633         PR middle-end/43419
3634         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3635         into sqrt(x) if we need to preserve signed zeros.
3636
3637 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3638             Eric Botcazou  <ebotcazou@adacore.com>
3639
3640         PR rtl-optimization/43360
3641         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3642         note if we don't know its invariant status.
3643
3644 2010-03-18  Michael Matz  <matz@suse.de>
3645
3646         PR tree-optimization/43402
3647         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3648         PHI chains of ssa names registered for update.
3649
3650 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3651
3652         PR target/42427
3653         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3654         non-offsettable and pre_modify update addressing.
3655         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3656         and "2" alternatives "#".
3657         (*movdd_softfloat32): Make all alternatives "#";
3658         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3659         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3660         (*movdf_softfloat32): Make all alternatives "#";
3661         (movdi): Use the new DIFD mode iterator to create a common splitter
3662         for movdi, movdf and movdd patterns.
3663
3664 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3665
3666         * common.opt (dumpdir): Remove redundant tab.
3667
3668 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3669
3670         PR tree-optimization/43347
3671         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3672         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3673
3674 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3675
3676         PR rtl-optimization/42216
3677         * regrename.c (create_new_chain): New function, broken out from...
3678         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3679         appending a use to an empty chain.
3680         (build_def_use): Remove previous changes that convert OP_INOUT to
3681         OP_OUT operands; instead detect the case where an OP_INOUT operand
3682         uses a previously untracked register and create an empty chain for it.
3683
3684 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3685
3686         * doc/extend.texi (Function Attributes): Rewrite unfinished
3687         sentence in ms_abi documentation.
3688
3689 2010-03-17  Alan Modra  <amodra@gmail.com>
3690
3691         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3692         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3693         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3694         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3695
3696 2010-03-16  Richard Henderson  <rth@redhat.com>
3697
3698         PR middle-end/43365
3699         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3700         (lower_try_finally): Save and restore eh_seq around the expansion
3701         of the try-finally.
3702
3703 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3704
3705         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3706         statements before splitting block.
3707
3708 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3709
3710         * doc/sourcebuild.texi (Testsuites): Fix markup.
3711         Use pathnames relative to gcc/testsuite.
3712         (Test Directives): Move description of how timeout is determined.
3713         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3714         (C Tests): Correct gcc.misc-tests directory.
3715         Framework tests now live in gcc.test-framework.
3716
3717 2010-03-16  Richard Guenther  <rguenther@suse.de>
3718
3719         PR middle-end/43379
3720         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3721         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3722
3723 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3724             Alexandre Oliva  <aoliva@redhat.com>
3725
3726         PR tree-optimization/42917
3727         * lambda-code.c (remove_iv): Skip debug statements.
3728         (lambda_loopnest_to_gcc_loopnest): Likewise.
3729         (not_interesting_stmt): Debug statements are not interesting.
3730
3731 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3732
3733         PR debug/43051
3734         PR debug/43092
3735         * cselib.c (cselib_preserve_constants,
3736         cfa_base_preserved_val): New static variables.
3737         (preserve_only_constants): New function.
3738         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3739         clear its REG_VALUES.  If cselib_preserve_constants, don't
3740         empty the whole hash table, but preserve there VALUEs with constants,
3741         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3742         (cselib_preserve_cfa_base_value): New function.
3743         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3744         (cselib_init): Change argument to int bitfield.  Set
3745         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3746         is in it.
3747         (cselib_finish): Clear cselib_preserve_constants and
3748         cfa_base_preserved_val.
3749         * cselib.h (enum cselib_record_what): New enum.
3750         (cselib_init): Change argument to int.
3751         (cselib_preserve_cfa_base_value): New prototype.
3752         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3753         * dse.c (dse_step1): Likewise.
3754         * cfgcleanup.c (thread_jump): Likewise.
3755         * sched-deps.c (sched_analyze): Likewise.
3756         * gcse.c (local_cprop_pass): Likewise.
3757         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3758         If FN is non-NULL, call the callback always and whenever it returns
3759         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3760         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3761         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3762         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3763         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3764         * var-tracking.c: Include recog.h.
3765         (bb_stack_adjust_offset): Remove.
3766         (vt_stack_adjustments): Don't call it, instead just gather the
3767         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3768         (adjust_stack_reference): Remove.
3769         (compute_cfa_pointer): New function.
3770         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3771         (struct adjust_mem_data): New type.
3772         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3773         functions.
3774         (get_address_mode): New function.
3775         (replace_expr_with_values): Use it.
3776         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3777         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3778         (adjust_sets): Remove.
3779         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3780         Use get_address_mode.
3781         (get_adjusted_src): Remove.
3782         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3783         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3784         (add_with_sets): Don't call adjust_sets.
3785         (fp_setter, vt_init_cfa_base): New functions.
3786         (vt_initialize): Change return type to bool.  Move most of pool etc.
3787         initialization to the beginning of the function from end.  Pass
3788         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3789         If !frame_pointer_needed, call vt_stack_adjustment before mos
3790         vector is filled, call vt_init_cfa_base if argp/framep has been
3791         eliminated to sp.  If frame_pointer_needed and argp/framep has
3792         been eliminated to hard frame pointer, set
3793         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3794         encountering fp setter in the prologue.  For MO_ADJUST, call
3795         log_op_type before pusing the op into mos vector, not afterwards.
3796         Call adjust_insn before cselib_process_insn/add_with_sets,
3797         call cancel_changes (0) afterwards.
3798         (variable_tracking_main_1): Adjust for vt_initialize calling
3799         vt_stack_adjustments and returning whether it succeeded or not.
3800
3801 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3802
3803         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3804         debug statements.
3805
3806 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3807
3808         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3809         has been set.
3810         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3811         drap_reg has not been set.
3812
3813 2010-03-15  Michael Matz  <matz@suse.de>
3814
3815         PR middle-end/43300
3816         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3817         use it to expand block copies.
3818         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3819         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3820         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3821
3822 2010-03-15  Richard Guenther  <rguenther@suse.de>
3823
3824         PR tree-optimization/43367
3825         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3826         elimination check.
3827
3828 2010-03-15  Richard Guenther  <rguenther@suse.de>
3829
3830         PR tree-optimization/43317
3831         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3832
3833 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3834
3835         PR tree-optimization/43141
3836         * tree-sra.c (create_abstract_origin): New function.
3837         (modify_function): Call create_abstract_origin.
3838
3839 2010-03-15  Chris Demetriou  <cgd@google.com>
3840
3841         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3842         wasn't copied.
3843
3844 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3845
3846         PR middle-end/43354
3847         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3848         call insert_out_of_ssa_copy for default definitions.
3849
3850 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3851
3852         * graphite-clast-to-gimple.c (my_long_long): Defined.
3853         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3854         * graphite-sese-to-poly.c (my_long_long): Defined.
3855         (scop_ivs_can_be_represented): Use it.
3856
3857 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3858
3859         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3860         graphite-max-bbs-per-function, and loop-block-tile-size.
3861         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3862         with "maximum".
3863         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3864
3865 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3866
3867         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3868         forward declaration.
3869         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3870         (add_upper_bounds_from_estimated_nit): New.
3871         (build_loop_iteration_domains): Use it.
3872
3873 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3874
3875         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3876
3877 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3878
3879         PR middle-end/43306
3880         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3881         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3882
3883 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3884
3885         * graphite.c (graphite_initialize): To bound the number of bbs per
3886         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3887         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3888         * doc/invoke.texi: Document it.
3889
3890 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3891
3892         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3893         * graphite-sese-to-poly.h (build_poly_scop): Same.
3894
3895 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3896
3897         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3898         the number of parameters in the scop.  Use as an upper bound
3899         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3900         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3901         * doc/invoke.texi: Document it.
3902
3903 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3904
3905         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3906         * doc/c-tree.texi: Remove.
3907         * doc/generic.texi: Merge c-tree.texi here.
3908         * doc/gccint.texi (Trees): Remove menu entry.
3909         (c-tree.texi): Remove @include.
3910         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3911         * doc/languages.texi (Reading RTL): Ditto.
3912
3913 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3914
3915         PR target/42869
3916         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3917
3918 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3919
3920         PR middle-end/42431
3921         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3922         code added to work around reload clobbering CONST insns.
3923
3924 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3925
3926         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3927         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3928         (cselib_preserve_only_values): Remove retain argument, don't
3929         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3930         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3931         * var-tracking.c (micro_operation): Move insn field before union.
3932         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3933         (struct variable_tracking_info_def): Remove n_mos field, change
3934         mos into a vector of micro_operations.
3935         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3936         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3937         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3938         changing into a vector.
3939         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3940         come before all other uops generated by add_stores.
3941         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3942         argument removal.
3943         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3944         a vector.  Run just one pass over the bbs instead of separate counting
3945         and computation phase.
3946         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3947
3948         PR debug/43329
3949         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3950         into *nonlocalized_list vector.
3951         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3952         even if origin is non-NULL.
3953         (gen_variable_die): Likewise.
3954         (process_scope_var): Don't change origin.
3955         (gen_decl_die): Likewise.
3956         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3957         before adding new edges instead of after it, fix moving over
3958         debug stmts.
3959
3960 2010-03-11  David S. Miller  <davem@davemloft.net>
3961
3962         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3963         of four.
3964         * configure: Rebuild.
3965
3966 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3967
3968         PR tree-optimization/43257
3969         * tree.c (assign_assembler_name_if_neeeded): New function.
3970         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3971         above new function.
3972         * tree.h (assign_assembler_name_if_neeeded): Declare.
3973         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3974         the function if needed.
3975
3976 2010-03-11  Chris Demetriou  <cgd@google.com>
3977
3978         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3979         include/stdint-gcc.h, and include/stdint.h world-readable.
3980
3981 2010-03-11  Richard Guenther  <rguenther@suse.de>
3982
3983         PR tree-optimization/43255
3984         * tree-vrp.c (process_assert_insertions_for): Do not insert
3985         asserts for trivial conditions.
3986
3987 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3988
3989         PR tree-optimization/43280
3990         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3991         generation.  Move calculation of size out of the if branch.
3992         (find_bswap): Modify compare number generation.
3993
3994 2010-03-11  Richard Guenther  <rguenther@suse.de>
3995
3996         PR lto/43200
3997         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3998         (input_gimple_stmt): Fixup handled component types during
3999         operand read.  Also fix up decls in ADDR_EXPRs.
4000
4001 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
4002
4003         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4004         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4005
4006 2010-03-10  Jan Hubicka  <jh@suse.cz>
4007
4008         PR c/43288
4009         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4010         * varasm.c (get_variable_section): Don't do that here...
4011         (make_decl_rtl): ... and here.
4012         (do_assemble_alias): Produce decl RTL.
4013         (assemble_alias): Likewise.
4014
4015 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
4016
4017         PR debug/43290
4018         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4019         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4020         of fde->vdrap_reg.
4021         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4022         (based_loc_descr): Only express drap or vdrap regno based expressions
4023         using DW_OP_fbreg when not optimizing.
4024         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4025         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4026         REG_CFA_SET_VDRAP note.
4027
4028 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
4029
4030         PR tree-optimization/43236
4031         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4032         error in calculation of base address in reverse iteration case.
4033         (generate_builtin): Take number of latch executions if the statement
4034         is in the latch.
4035
4036 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
4037