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1 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
2
3         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
4
5 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
6
7         PR target/40657
8         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
9         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
10         here to determine which regs to push and how much stack to reserve.
11
12 2010-04-27  Jie Zhang  <jie@codesourcery.com>
13
14         * doc/gimple.texi (gimple_statement_with_ops): Remove
15         addresses_taken field.
16         (gimple_statement_with_memory_ops): Likewise.
17
18 2010-04-27  Jan Hubicka  <jh@suse.cz>
19
20         * tree-inline.c (eni_inlining_weights): Remove.
21         (estimate_num_insns): Special case more builtins.
22
23 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
24         
25         PR c/32207
26         * c-typeck.c (build_binary_op): Move forward check for comparison
27         pointer with null pointer constant and adjust the diagnostic message.
28
29 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
30
31         PR lto/42776
32         * configure.ac (gcc_cv_as_section_has_align): Set if installed
33         binutils supports extended .section directive needed by LTO, or
34         warn if older binutils found.
35         (LTO_BINARY_READER): New AC_SUBST'd variable.
36         (LTO_USE_LIBELF): Likewise.
37         * gcc/config.gcc (lto_binary_reader): New target-specific configure
38         variable.
39         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
40         (LTO_USE_LIBELF): Likewise.
41         * configure: Regenerate.
42
43         * collect2.c (is_elf): Rename from this ...
44         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
45          object files in addition to ELF-formatted ones.
46         (scan_prog_file): Caller updated.  Also allow for LTO info marker
47         symbol to be prefixed or not by an extra underscore.
48
49         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
50         * config/i386/winnt.c: Also #include lto-streamer.h
51         (i386_pe_asm_named_section): Specify 1-byte section alignment for
52         LTO named sections.
53         (i386_pe_asm_output_aligned_decl_common): Add comment.
54         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
55
56 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
57
58         PR target/43889
59         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
60         Add missing earlyclobber for second alternative.
61
62 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
63
64         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
65         bits for artificial defs at the top of the block.
66         * fwprop.c (single_def_use_enter_block): Don't call it.
67
68 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
69
70         PR 43715
71         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
72         instead of "$gcc_cv_objdump -T".
73         Use "-undefined dynamic_lookup" on darwin.
74         * gcc/configure: Regenerate.
75
76 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
77
78         PR c/43893
79         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
80
81 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
82
83         * c-parser.c (struct c_token): Move location field up.
84         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
85         (struct c_declspecs): Convert typespec_word, storage_class, and
86         default_int_p into bitfields.
87         (struct c_declarator): Move loc field up.
88
89 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
90
91         * cfgloop.h (struct loop): Move can_be_parallel field up.
92         * ipa-prop.h (struct ip_node_params): Move bitfields up.
93         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
94         down.
95         (struct iv_cand): Convert pos field into a bitfield.
96         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
97         field up.
98         (struct _stmt_vec_info): Shuffle fields for better packing.
99
100 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
101
102         * varasm.c (IN_NAMED_SECTION): Remove guard.
103         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
104         (IN_NAMED_SECTION_P): ...this.
105         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
106         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
107
108 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
109
110         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
111         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
112         of shadowing it.  Fix comments.
113
114 2010-04-26  Jan Hubicka  <jh@suse.cz>
115
116         * cgraph.c (cgraph_create_node): Set node frequency to normal.
117         (cgraph_clone_node): Copy function frequency.
118         * cgraph.h (node_frequency): New enum
119         (struct cgraph_node): Add.
120         * final.c (rest_of_clean_state): Update.
121         * lto-cgraph.c (lto_output_node): Output node frequency.
122         (input_overwrite_node): Input node frequency.
123         * tre-ssa-loop-ivopts (computation_cost): Update.
124         * lto-streamer-out.c (output_function): Do not output function
125         frequency.
126         * predict.c (maybe_hot_frequency_p): Update and handle functions
127         executed once.
128         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
129         attribute lookup.
130         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
131         (compute_function_frequency): Set noreturn functions to be executed
132         once.
133         (choose_function_section): Update.
134         * lto-streamer-in.c (input_function): Do not input function frequency.
135         * function.c (allocate_struct_function): Do not initialize function
136         frequency.
137         * function.h (function_frequency): Remove.
138         (struct function): Remove function frequency.
139         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
140         (try_update): Update.
141         * tree-inline.c (initialize_cfun): Do not update function frequency.
142         * passes.c (pass_init_dump_file): Update.
143         * i386.c (ix86_compute_frame_layout): Update.
144         (ix86_pad_returns): Update.
145
146 2010-04-26  Jie Zhang  <jie@codesourcery.com>
147
148         PR tree-optimization/43833
149         * tree-vrp.c (range_int_cst_p): New.
150         (range_int_cst_singleton_p): New.
151         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
152         when both operands are constants.  Use range_int_cst_p in
153         BIT_IOR_EXPR case.
154
155 2010-04-26  Jan Hubicka  <jh@suse.cz>
156
157         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
158
159 2010-04-26  Richard Guenther  <rguenther@suse.de>
160
161         PR lto/43080
162         * gimple.c (gimple_decl_printable_name): Deal gracefully
163         with a NULL DECL_NAME.
164
165 2010-04-26  Richard Guenther  <rguenther@suse.de>
166
167         PR lto/42425
168         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
169         if emitting debug information and it is either a function
170         or a namespace decl.
171
172 2010-04-26  Ira Rosen  <irar@il.ibm.com>
173
174         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
175         determine if the statement is vectorizable, and a macro to 
176         access it.
177         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
178         Skip statements that can't be vectorized. If the analysis 
179         fails, mark the statement as unvectorizable if vectorizing 
180         basic block.
181         (vect_compute_data_refs_alignment): Likewise.
182         (vect_verify_datarefs_alignment): Skip statements marked as 
183         unvectorizable. Add print.
184         (vect_analyze_group_access): Skip statements that can't be 
185         vectorized. If the analysis fails, mark the statement as 
186         unvectorizable if vectorizing basic block.
187         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
188         Likewise.
189         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
190         generated stmts for SLP.
191         (new_stmt_vec_info): Initialize the new field.
192         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
193         statements marked as unvectorizable.
194
195 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
196
197         * c-common.c (flag_isoc1x): New.
198         (flag_isoc99): Update comment.
199         * c-common.h (flag_isoc1x): New.
200         (flag_isoc99): Update comment.
201         * c-cppbuiltin.c (builtin_define_float_constants): Also define
202         __<type>_DECIMAL_DIG__.
203         * c-opts.c (set_std_c1x): New.
204         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
205         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
206         * c.opt (-std=c1x, -std=gnu1x): New options.
207         * doc/cpp.texi: Mention -std=c1x.
208         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
209         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
210         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
211         * doc/standards.texi: Mention C1X.
212         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
213         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
214         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
215         Define for C1X.
216
217 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
218
219         * config/i386/gmon-sol2.c (_mcleanup): Change format string
220         placeholder from 0x%x to %#x.
221         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
222         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
223         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
224         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
225         * config/i386/i386.c (ix86_target_string): Ditto.
226         (output_pic_addr_const): Ditto.
227         (print_operand): Ditto.
228
229 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
230
231         * combine.c (find_split_point): Add third argument.  Use it
232         to find nested multiply-accumulate instructions.  Adjust calls.
233         (try_combine): Adjust call to find_split_point.
234
235 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
236
237         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
238
239 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
240
241         PR tree-optimization/41442
242         * fold-const.c (merge_truthop_with_opposite_arm): New function.
243         (fold_binary_loc): Call it.
244
245 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
246
247         * toplev.c (general_init): Set default for fdiagnostics-show-option.
248         * opts.c (common_handle_option): Allow disabling it.
249         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
250
251 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
252
253         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
254         between modes if both types are integral.
255
256 2010-04-23  Richard Guenther  <rguenther@suse.de>
257
258         PR tree-optimization/43572
259         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
260
261 2010-04-23  Richard Guenther  <rguenther@suse.de>
262
263         PR lto/43455
264         * tree-inline.c (tree_can_inline_p): Also check compatibility
265         of return types.
266
267 2010-04-23  Martin Jambor  <mjambor@suse.cz>
268
269         PR tree-optimization/43846
270         * tree-sra.c (struct access): New flag grp_assignment_read.
271         (build_accesses_from_assign): Set grp_assignment_read.
272         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
273         (enum mark_read_status): New type.
274         (analyze_access_subtree): Propagate grp_assignment_read, create
275         accesses also if both direct_read and root->grp_assignment_read.
276
277 2010-04-23  Martin Jambor  <mjambor@suse.cz>
278
279         PR middle-end/43835
280         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
281         function does not have type attributes.
282
283 2010-04-23  Richard Guenther  <rguenther@suse.de>
284
285         PR lto/42653
286         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
287         of FUNCTION_DECLs.
288
289 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
290
291         * sese.h (create_if_region_on_edge): Remove.
292
293         * sese.c (create_if_region_on_edge): Make static.
294
295         * tree-inline.c: Do not include ggc.h.
296
297         * expr.c: Do not include ggc.h.
298
299         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
300         dependencies.
301
302 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
303
304         PR target/43744
305         * config/sh/sh.c (find_barrier): Don't emit a constant pool
306         in the middle of insns for casesi_worker_2.
307
308 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
309
310         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
311
312 2010-04-22  Ira Rosen  <irar@il.ibm.com>
313
314         PR tree-optimization/43842
315         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
316         loop unrolling in update of exit phis. Fix comment.
317         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
318         least two reduction statements in the loop before starting SLP
319         analysis.
320
321 2010-04-22  Nick Clifton  <nickc@redhat.com>
322
323         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
324
325 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
326
327         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
328         to simplify a + ~a.
329
330 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
331
332         * tree-parloops.c (loop_parallel_p): New argument
333         parloop_obstack.  Pass it down.
334         (parallelize_loops): New variable parloop_obstack.  Initialize it,
335         pass it down, free it.
336
337         * tree-loop-linear.c (linear_transform_loops): Pass down
338         lambda_obstack.
339
340         * tree-data-ref.h (lambda_compute_access_matrices): New argument
341         of type struct obstack *.
342
343         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
344         scratch_obstack.  Initialize it, pass down, free it.
345
346         * lambda.h (lambda_loop_new): Remove.
347         (lambda_matrix_new, lambda_matrix_inverse)
348         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
349         argument of type struct obstack *.
350
351         * lambda-trans.c (lambda_trans_matrix_new): New argument
352         lambda_obstack.  Pass it down, use obstack allocation for ret.
353         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
354         it down.
355
356         * lambda-mat.c (lambda_matrix_get_column)
357         (lambda_matrix_project_to_null): Remove.
358         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
359         allocation for mat.
360         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
361         lambda_obstack.
362
363         * lambda-code.c (lambda_loop_new): New function.
364         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
365         (lambda_compute_auxillary_space, lambda_compute_target_space)
366         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
367         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
368         (build_access_matrix): New argument lambda_obstack.  Use obstack
369         allocation for am.
370         (lambda_compute_step_signs, lambda_compute_access_matrices): New
371         argument lambda_obstack.  Pass it down.
372
373 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
374
375         * optabs.h (expand_widening_mult): Declare.
376
377 2010-04-22  Richard Guenther  <rguenther@suse.de>
378
379         PR tree-optimization/43845
380         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
381         lookup the CALL_EXPR function and arguments.
382
383 2010-04-22  Nick Clifton  <nickc@redhat.com>
384
385         * config/stormy16/stormy16.c
386         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
387         * config/stormy16/stormy16.h: Tidy up formatting.
388         (DONT_USE_BUILTIN_SETJMP): Remove definition.
389         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
390         (ineqbranchsi): Delete pattern.
391         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
392         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
393         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
394         stormy16-lib2-ucmpsi2.c.
395
396 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
397
398         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
399         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
400         extra set merge_set_noclobber, and use it to relax the final test
401         slightly.
402         * df.h (df_simulate_find_noclobber_defs): Declare.
403         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
404         conditional defs.
405         (df_simulate_find_noclobber_defs): New function.
406
407 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
408
409         * config/i386/i386.md: Use {} around multi-line preparation statements.
410
411 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
412
413         * c-tree.h (push_init_level, pop_init_level, set_init_index)
414         (process_init_element): New argument of type struct obstack *.
415
416         * c-typeck.c (push_init_level, pop_init_level, set_designator)
417         (set_init_index, set_init_label, set_nonincremental_init)
418         (set_nonincremental_init_from_string, find_init_member)
419         (output_init_element, output_pending_init_elements)
420         (process_init_element): New argument braced_init_obstack.  Pass it
421         down.
422         (push_range_stack, add_pending_init): New argument
423         braced_init_obstack.  Use obstack allocation.
424
425         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
426         braced_init_obstack.  Pass it down.
427         (c_parser_braced_init): New variables ret, braced_init_obstack.
428         Initialize obstack, pass it down and finally free it.
429
430 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
431
432         PR middle-end/29274
433         * tree-pass.h (pass_optimize_widening_mul): Declare.
434         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
435         gate_optimize_widening_mul): New static functions.
436         (pass_optimize_widening_mul): New.
437         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
438         <case MULT_EXPR>: Remove support for widening multiplies.
439         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
440         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
441         simplify_gen_unary rather than directly building extensions.
442         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
443         WIDEN_MULT_EXPR.
444         * expmed.c (expand_widening_mult): New function.
445         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
446
447 2010-04-21  Jan Hubicka  <jh@suse.cz>
448
449         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
450         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
451         * lto-wpa-fixup.c: Remove.
452         * Makefile.in (lto-wpa-fixup.o): Remove.
453         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
454         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
455         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
456
457 2010-04-21  Jan Hubicka  <jh@suse.cz>
458
459         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
460         add write_optimization_summary, read_optimization_summary.
461         (ipa_write_summaries_of_cgraph_node_set): Remove.
462         (ipa_write_optimization_summaries): Declare.
463         (ipa_read_optimization_summaries): Declare.
464         * ipa-cp.c (pass_ipa_cp): Update.
465         * ipa-reference.c (pass_ipa_reference): Update.
466         * ipa-pure-const.c (pass_ipa_pure_const): Update.
467         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
468         Update.
469         * ipa-inline.c (pass_ipa_inline): Update.
470         * ipa.c (pass_ipa_whole_program): Update.
471         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
472         * passes.c (ipa_write_summaries_1): Do not test wpa.
473         (ipa_write_optimization_summaries_1): New.
474         (ipa_write_optimization_summaries): New.
475         (ipa_read_summaries): Do not test ltrans.
476         (ipa_read_optimization_summaries_1): New.
477         (ipa_read_optimization_summaries): New.
478
479 2010-04-21  Jan Hubicka  <jh@suse.cz>
480
481         * lto-cgraph.c (lto_output_node): Do not output comdat groups
482         for boundary nodes.
483         (output_cgraph): Do not arrange comdat groups for boundary nodes.
484
485 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
486
487         PR debug/40040
488         * dwarf2out.c (add_name_and_src_coords_attributes): Add
489         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
490
491 2010-04-21  Jan Hubicka  <jh@suse.cz>
492
493         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
494
495 2010-04-21  Jan Hubicka  <jh@suse.cz>
496
497         * varpool.c (decide_is_variable_needed): Variable is always needed
498         during ltrans.
499
500 2010-04-21  Jan Hubicka  <jh@suse.cz>
501
502         * opts.c (decode_options): Enable pure-const pass for whopr.
503
504 2010-04-21  Jan Hubicka  <jh@suse.cz>
505
506         * cgraph.c (dump_cgraph_node): Dump also assembler name.
507         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
508         at WPA dumping.
509         (cgraph_decide_inlining): Do not expect callee to be removed in all
510         cases.
511
512 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
513
514         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
515
516 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
517
518         * config/i386/i386.md (x86_shrd): Add athlon_decode and
519         amdfam10_decode attributes.
520
521 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
522
523         PR middle-end/43570
524         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
525         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
526         (lower_copyprivate_clauses): Use private var in outer
527         context instead of original var.  Make sure the types
528         are correct for VLAs.
529
530 2010-04-21  Richard Guenther  <rguenther@suse.de>
531
532         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
533         to non-pointer objects.
534
535 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
536
537         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
538         last chain entry if it starts with the still current label.
539         (add_location_or_const_value_attribute): Check that
540         loc_list->first->next is NULL instead of comparing ->first with ->last.
541         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
542         to add_var_loc_to_decl.
543
544         * dwarf2out.c (output_call_frame_info): For dw_cie_version
545         >= 4 add also address size and segment size fields into CIE header.
546
547         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
548         long as address size is the same as sizeof (void *) and
549         segment size is 0.
550         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
551         address size or segment size is unexpected, return DW_EH_PE_omit.
552         (classify_object_over_fdes): If get_cie_encoding returned
553         DW_EH_PE_omit, return -1.
554         (init_object): If classify_object_over_fdes returned -1,
555         pretend there were no FDEs at all.
556
557 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
558
559         * config/i386/i386.md (bswap<mode>2): Macroize expander from
560         bswap{si,di}2 using SWI48 mode iterator.
561         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
562         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
563         set modrm attribute of bswap insn to 0 and remove length attribute.
564         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
565         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
566         set mode attribute to <MODE> and remove length attribute.
567
568 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
569
570         PR rtl-optimization/43520
571         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
572         zero available registers.
573
574 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
575
576         * builtins.c (fold_builtin_cproj): Fold more cases.
577
578 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
579
580         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
581         (fold_builtin_1): Fold builtin cproj.
582         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
583         Use ATTR_CONST_NOTHROW_LIST.
584
585 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
586
587         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
588         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
589         ffsi2_no_cmove for !TARGET_CMOVE.
590         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
591         (ffssi2): Remove expander.
592         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
593         mode iterator.
594         (ctz<mode>2): Ditto from ctz{si,di}2.
595         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
596         mode iterator.
597         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
598         mode iterator.
599
600 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
601
602         * dwarf2out.c (AT_linkage_name): Define.
603         (clone_as_declaration): Handle DW_AT_linkage_name.
604         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
605         of DW_AT_MIPS_linkage_name.
606         (move_linkage_attr): Likewise.
607         (dwarf2out_finish): Likewise.
608
609 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
610
611         PR middle-end/41952
612         * fold-const.c (fold_comparison): New folding rule.
613
614 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
615
616         * double-int.h (double_int_setbit): Declare.
617         * double-int.c (double_int_setbit): New function.
618         * rtl.h (immed_double_int_const): Declare.
619         * emit-rtl.c (immed_double_int_const): New function.
620         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
621         and immed_double_int_const functions.
622         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
623         expand_copysign_bit):  (Ditto.).
624         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
625         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
626         * dojump.c (prefer_and_bit_test): (Ditto.).
627         * expr.c (convert_modes, reduce_to_bit_field_precision,
628         const_vector_from_tree): (Ditto.).
629         * expmed.c (mask_rtx, lshift_value): (Ditto.).
630
631 2010-04-20  Jan Hubicka  <jh@suse.cz>
632
633         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
634         (dump_cgraph_node): Dump new flags.
635         * cgraph.h (struct cgraph_node): Add flags
636         reachable_from_other_partition and in_other_partition.
637         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
638         other partition can not be removed.
639         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
640         the other partition must be output; silence sanity checking on
641         leaking functions bodies from other paritition.
642         * lto-cgraph.c (reachable_from_other_partition_p): New function.
643         (lto_output_node): Output new flags; do not sanity check that inline
644         clones are output; drop lto_forced_extern_inline_p code; do not mock
645         visibility flags at partition boundaries.
646         (add_node_to): New function.
647         (output_cgraph): Use it to sort functions so masters appear before
648         clones.
649         (input_overwrite_node): Input new flags.
650         * passes.c (ipa_write_summaries): Do not call
651         lto_new_extern_inline_states.
652         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
653         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
654         lto_forced_extern_inline_p): Kill.
655         * lto-streamer.h (lto_new_extern_inline_states,
656         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
657         lto_forced_extern_inline_p): Kill.
658
659 2010-04-20  Richard Guenther  <rguenther@suse.de>
660
661         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
662         from vars that can have pointers.
663         (process_constraint): Dump useless constraints.
664
665 2010-04-20  Richard Guenther  <rguenther@suse.de>
666
667         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
668         (dump_sa_points_to_info): Remove asserts.
669         (init_base_vars): nothing_id isn't an escape point nor does it
670         have pointers.
671
672 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
673
674         * tree.h (TYPE_REF_IS_RVALUE): Define.
675         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
676         should_move_die_to_comdat, prune_unused_types_walk): Handle
677         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
678         (modified_type_die, gen_reference_type_die): Emit
679         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
680         if TYPE_REF_IS_RVALUE and -gdwarf-4.
681
682 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
683
684         PR target/43635
685         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
686         calls for -fpic -m31 if they have been sibcall optimized.
687
688 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
689
690         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
691         ar.lc fixed and call-used.
692
693         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
694
695 2010-04-19  Jan Hubicka  <jh@suse.cz>
696
697         * opts.c (decode_options): Disable whpr incompatible passes.
698         * lto/lto.c (lto_1_to_1_map): Skip clones.
699         (read_cgraph_and_symbols): Do not mark everything as needed.
700         (do_whole_program_analysis): Do map only after optimizing;
701         set proper cgraph_state; use passmanager.
702
703 2010-04-19  DJ Delorie  <dj@redhat.com>
704
705         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
706         POINTER_PLUS_EXPR and fix them.
707
708 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
709
710         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
711         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
712         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
713         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
714         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
715         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
716         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
717         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
718         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
719         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
720         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
721
722 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
723
724         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
725         (check_cond_move_block): Likewise.
726         (cond_move_process_if_block): Likewise.
727         (noce_find_if_block): Improve formatting.
728         (find_if_header): Pass 0 to memset and tweak conditions.
729         (cond_exec_find_if_block): Fix long lines and tweak conditions.
730
731 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
732
733         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
734         for -gdwarf-4.
735
736         PR middle-end/43337
737         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
738         with non-local decl doesn't need chain.
739
740 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
741
742         * ira-color.c (allocno_reload_assign): Avoid accumulating
743         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
744
745 2010-04-19  Martin Jambor  <mjambor@suse.cz>
746
747         * gimple.h (create_tmp_reg): Declare.
748         * gimplify.c (create_tmp_reg): New function.
749         (gimplify_return_expr): Use create_tmp_reg.
750         (gimplify_omp_atomic): Likewise.
751         (gimple_regimplify_operands): Likewise.
752         * tree-dfa.c (make_rename_temp): Likewise.
753         * tree-predcom.c (predcom_tmp_var): Likewise.
754         (reassociate_to_the_same_stmt): Likewise.
755         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
756         (get_replaced_param_substitute): Likewise.
757         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
758         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
759         * tree-ssa-pre.c (get_representative_for): Likewise.
760         (create_expression_by_pieces): Likewise.
761         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
762         (create_tailcall_accumulator): Likewise.
763
764 2010-04-19  Martin Jambor  <mjambor@suse.cz>
765
766         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
767         new_stmt.
768         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
769
770 2010-04-19  Richard Guenther  <rguenther@suse.de>
771
772         PR tree-optimization/43796
773         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
774         from SCEV in the lattice.
775         (vrp_visit_phi_node): Dump change.
776
777 2010-04-19  Richard Guenther  <rguenther@suse.de>
778
779         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
780         * configure: Re-generated.
781
782 2010-04-19  Richard Guenther  <rguenther@suse.de>
783
784         PR tree-optimization/43783
785         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
786         constant ARRAY_REF operands two and three if possible.
787
788 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
789
790         PR target/43766
791         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
792
793 2010-04-19  Jie Zhang  <jie@codesourcery.com>
794
795         PR target/43662
796         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
797
798 2010-04-19  Ira Rosen  <irar@il.ibm.com>
799
800         PR tree-optimization/37027
801         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
802         and macro to access it.
803         (vectorizable_reduction): Add argument.
804         (vect_get_slp_defs): Likewise.
805         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
806         statements for possible use in SLP.
807         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
808         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
809         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
810         add new argument.
811         (vectorizable_reduction): Likewise.
812         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
813         vect_get_slp_defs.
814         (vectorizable_type_demotion, vectorizable_type_promotion,
815         vectorizable_store): Likewise.
816         (vect_analyze_stmt): Update call to vectorizable_reduction.
817         (vect_transform_stmt): Likewise.
818         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
819         (vect_build_slp_tree): Fix indentation. Check that there are no loads
820         from different interleaving chains in same node.
821         (vect_slp_rearrange_stmts): New function.
822         (vect_supported_load_permutation_p): Allow load permutations for
823         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
824         inside SLP nodes if necessary.
825         (vect_analyze_slp_instance): Handle reductions.
826         (vect_analyze_slp): Try to build SLP instances originating from groups
827         of reductions.
828         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
829         (vect_get_constant_vectors): Create initial vectors for reductions
830         according to reduction code. Add new argument.
831         (vect_get_slp_defs): Add new argument, pass it to
832         vect_get_constant_vectors.
833         (vect_schedule_slp_instance): Remove SLP tree root statements.
834
835 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
836
837         * tree.h (ENUM_IS_SCOPED): Define.
838         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
839         for ENUM_IS_SCOPED enums.
840
841 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
842
843         * fold-const.c (fold_comparison): Use ssizetype.
844         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
845         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
846         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
847         * tree-object-size.c (compute_object_sizes): Use size_type_node.
848
849         * tree.h (initialize_sizetypes): Remove parameter.
850         (build_common_tree_nodes): Remove second parameter.
851         * stor-layout.c (initialize_sizetypes): Remove parameter.
852         Always create an unsigned type.
853         (set_sizetype): Assert that the passed type is unsigned and simplify.
854         * tree.c (build_common_tree_nodes): Remove second parameter.
855         Adjust call to initialize_sizetypes.
856         * c-decl.c (c_init_decl_processing): Remove second argument in call to
857         build_common_tree_nodes.
858
859 2010-04-18  Matthias Klose  <doko@ubuntu.com>
860
861         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
862
863 2010-04-18  Ira Rosen  <irar@il.ibm.com>
864
865         PR tree-optimization/43771
866         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
867         load permutation doesn't have gaps.
868
869 2010-04-18  Jan Hubicka  <jh@suse.cz>
870
871         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
872         (sse_prologue_save_insn expander): Use new pattern.
873         (sse_prologue_save_insn1): New pattern and splitter.
874         (sse_prologue_save_insn): Update to deal also with 64bit aligned
875         blocks.
876         * i386.c (setup_incoming_varargs_64): Do not compute jump
877         destination here.
878         (ix86_gimplify_va_arg): Update alignment needed.
879         (ix86_local_alignment): Do not align all local arrays to 128bit.
880
881 2010-04-17  Jan Hubicka  <jh@suse.cz>
882
883         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
884
885 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
886
887         * arm.md (negdi2): Remove redundant code to force values into a
888         register.
889
890 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
891
892         * arm/bpabi.S: Add EABI alignment attributes to objects.
893         * arm/bpabi-v6m.S: Likewise.
894         * arm/crti.asm: Likewise.
895         * arm/crtn.asm: Likewise.
896         * arm/lib1funcs.asm: Likewise.
897         * arm/libunwind.S: Likewise.
898
899 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
900
901         * arm-protos.h (tune_params): New structure.
902         * arm.c (current_tune): New variable.
903         (arm_constant_limit): Delete.
904         (struct processors): Add pointer to the tune parameters.
905         (arm_slowmul_tune): New tuning option.
906         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
907         (all_cores): Adjust to pick up the tuning model.
908         (arm_constant_limit): New function.
909         (arm_override_options): Select the appropriate tuning model.  Delete
910         initialization of arm_const_limit.
911         (arm_split_constant): Use the new constant-limit model.
912         (arm_rtx_costs): Pick up the current tuning model.
913         * arm.md (is_strongarm, is_xscale): Delete.
914         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
915         for Xscale variant architectures.
916         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
917
918 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
919
920         * config/arm/arm.c (arm_gen_constant): Remove unused variable
921         can_shift.
922         (arm_rtx_costs_1): Remove unused variable extra_cost.
923         (arm_unwind_emit_set): Use variable offset.
924         (thumb1_output_casesi): Remove unused variable flags.
925
926 2010-04-16  Jeff Law  <law@redhat.com>
927
928         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
929         needing assignment rather than doing a two-phase assignment.  Remove
930         unused variable 'm'.
931
932 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
933
934         PR bootstrap/43767
935         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
936
937 2010-04-16  Doug Kwan  <dougkwan@google.com>
938
939         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
940         (next_operand_entry_id): New static variable.
941         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
942         (add_to_ops_vec): Assigned unique ID to operand entry.
943         (struct oecount_s): New field ID.
944         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
945         (undistribute_ops_list): Assign unique IDs to oecounts.
946         (init_reassoc): reset next_operand_entry_id.
947
948 2010-04-16  Doug Kwan  <dougkwan@google.com>
949
950         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
951         missing left parenthesis.
952
953 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
954
955         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
956         *btdi_rex64 using SWI48 mode iterator.
957         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
958         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
959         *jcc_btdi_mask_rex64.
960
961 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
962
963         * double-int.h (tree_to_double_int): Convert to macro.
964         * double-int.c (tree_to_double_int): Remove.
965
966 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
967
968         PR debug/43762
969         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
970         with want_address 2 and in case a single element list might be
971         possible, call it again with want_address 0.
972
973 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
974
975         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
976         case 'W' print operands for HI mode.
977         * config/h8300/h8300.h (Y0, Y2) : New constraints.
978         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
979         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
980         * config/h8300/predicate.md (bit_register_indirect_operand): New.
981
982         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
983
984         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
985         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
986         #xx:3 and #xx:4 mode.
987
988         * config/h8300/h8300.md (inverted load with HImode dest): Add
989         support for H8300SX.
990
991         * config/h8300/predicate.md (bit_operand): Allow immediate values that
992         satisfy 'U' constraint.
993
994 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
995
996         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
997         * configure: Regenerate.
998         * config.in: Regenerate.
999         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1000         works.
1001
1002 2010-04-16  Richard Guenther  <rguenther@suse.de>
1003
1004         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1005         (struct tree_decl_common): ... here.
1006         (DECL_PT_UID): Adjust.
1007         (SET_DECL_PT_UID): Likewise.
1008         (DECL_PT_UID_SET_P): Likewise.
1009
1010 2010-04-16  Richard Guenther  <rguenther@suse.de>
1011
1012         PR tree-optimization/43572
1013         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1014         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1015         * tree-flow.h (is_call_clobbered): Remove.
1016         * tree-flow-inline.h (is_call_clobbered): Likewise.
1017         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1018         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1019         (execute_return_slot_opt): Adjust.
1020         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1021         check for call clobbered vars here.
1022         (find_tail_calls): Move tailcall verification to the
1023         proper place.
1024
1025 2010-04-16  Diego Novillo  <dnovillo@google.com>
1026
1027         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1028
1029 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1030
1031         PR target/40603
1032         * config/arm/arm.md (cbranchqi4): New pattern.
1033         * config/arm/predicates.md (const0_operand,
1034         cbranchqi4_comparison_operator): New predicates.
1035
1036 2010-04-16  Richard Guenther  <rguenther@suse.de>
1037
1038         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1039         (dump_gimple_stmt): Likewise.
1040
1041 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1042
1043         * recog.h (struct recog_data): New field is_operator.
1044         (struct insn_operand_data): New field is_operator.
1045         * recog.c (extract_insn): Set recog_data.is_operator.
1046         * genoutput.c (output_operand_data): Emit code to set the
1047         is_operator field.
1048         * reload.c (find_reloads): Use it rather than testing for an
1049         empty constraint string.
1050
1051         PR target/41514
1052         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1053         If the previous insn is a cbranchsi4_insn with the same arguments,
1054         omit the compare instruction.
1055
1056         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1057         register, inputs must be low registers and we need a low register
1058         scratch.  Handle alternative 2 like alternative 3.
1059
1060 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1061
1062         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1063         don't call get_addr on both.  If one expression is a VALUE and
1064         the other a REG, check VALUE's locs if the REG isn't among them.
1065
1066 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1067
1068         * config/sh/sh.h (sh_frame_pointer_required): New function.
1069         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1070         (flag_omit_frame_pointer) Set.
1071         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1072         (rounded_frame_size): Adjust size with outgoing_args_size.
1073         (sh_set_return_address): Must return from stack pointer.
1074         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1075         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1076         (ACCUMULATE_OUTGOING_ARGS): Define.
1077         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1078         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1079
1080 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1081
1082         PR target/43471
1083         * config/sh/sh.c (sh_legitimize_reload_address): Use
1084         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1085         Remove a unneeded check for offset_base.
1086
1087 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1088
1089         * configure: Regenerated.
1090
1091 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1092
1093         * config/s390/s390.c (s390_call_save_register_used): Switch back
1094         to HARD_REGNO_NREGS.
1095
1096 2010-04-15  Richard Guenther  <rguenther@suse.de>
1097
1098         * alias.c (alias_set_subset_of): Handle alias-set zero
1099         child properly.
1100
1101 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1102             Julian Brown  <julian@codesourcery.com>
1103
1104         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1105         alternatives according to use of high and low regs.
1106         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1107         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1108         optimizing for size on Thumb-2.
1109
1110 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1111
1112         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1113
1114 2010-04-15  Richard Guenther  <rguenther@suse.de>
1115
1116         * tree-ssa-structalias.c (struct variable_info): Add
1117         is_fn_info flag.
1118         (new_var_info): Initialize it.
1119         (dump_constraints): Support printing last added constraints.
1120         (debug_constraints): Adjust.
1121         (dump_constraint_graph): Likewise.
1122         (make_heapvar_for): Check for NULL cfun.
1123         (get_function_part_constraint): New function.
1124         (get_fi_for_callee): Likewise.
1125         (find_func_aliases): Properly implement IPA PTA constraints.
1126         (process_ipa_clobber): New function.
1127         (find_func_clobbers): Likewise.
1128         (insert_into_field_list_sorted): Remove.
1129         (create_function_info_for): Properly allocate vars for IPA mode.
1130         Do not use insert_into_field_list_sorted.
1131         (create_variable_info_for): Properly generate constraints for
1132         global vars in IPA mode.
1133         (dump_solution_for_var): Always dump the solution.
1134         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1135         (find_what_var_points_to): Adjust.
1136         (pt_solution_set): Change.
1137         (pt_solution_ior_into): New function.
1138         (pt_solution_empty_p): Export.
1139         (pt_solution_includes_global): Adjust.
1140         (pt_solution_includes_1): Likewise.
1141         (pt_solutions_intersect_1): Likewise.
1142         (dump_sa_points_to_info): Check some invariants.
1143         (solve_constraints): Move constraint dumping ...
1144         (compute_points_to_sets): ... here.
1145         (ipa_pta_execute): ... and here.
1146         (compute_may_aliases): Do not re-compute points-to info
1147         locally if IPA info is available.
1148         (ipa_escaped_pt): New global var.
1149         (ipa_pta_execute): Properly implement IPA PTA.
1150         * tree-into-ssa.c (dump_decl_set): Support dumping
1151         decls not in referenced-vars.
1152         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1153         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1154         (dump_points_to_solution): Likewise.
1155         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1156         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1157         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1158         (copy_decl_to_var): Copy DECL_PT_UID.
1159         (copy_result_decl_to_var): Likewise.
1160         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1161         (copy_node_stat): Copy it.
1162         * tree.h (DECL_PT_UID): New macro.
1163         (SET_DECL_PT_UID): Likewise.
1164         (DECL_PT_UID_SET_P): Likewise.
1165         (struct tree_decl_minimal): Add pt_uid member.
1166         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1167         (pt_solution_empty_p): Declare.
1168         (pt_solution_set): Adjust.
1169         (ipa_escaped_pt): Declare.
1170         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1171         * gimple-pretty-print.c (pp_points_to_solution): New function.
1172         (dump_gimple_call): Dump call clobber/use information.
1173         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1174         * tree-pass.h (TDF_ALIAS): New dump option.
1175         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1176         * doc/invoke.texi (-fipa-pta): Update documentation.
1177
1178 2010-04-15  Richard Guenther  <rguenther@suse.de>
1179
1180         * Makefile.in (OBJS-common): Add gimple-fold.o.
1181         (gimple-fold.o): New rule.
1182         * tree.h (maybe_fold_offset_to_reference,
1183         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1184         prototypes ...
1185         * gimple.h: ... here.
1186         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1187         may_propagate_address_into_dereference): Move prototypes ...
1188         * gimple.h: ... here.
1189         * tree-ssa-ccp.c (get_symbol_constant_value,
1190         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1191         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1192         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1193         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1194         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1195         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1196         gimplify_and_update_call_from_tree): Move ...
1197         * gimple-fold.c: ... here.  New file.
1198         (ccp_fold_builtin): Rename to ...
1199         (gimple_fold_builtin): ... this.
1200         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1201
1202 2010-04-15  Richard Guenther  <rguenther@suse.de>
1203
1204         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1205         fit_double_type, force_fit_type_double, add_double_with_sign,
1206         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1207         lrotate_double, rrotate_double, div_and_round_double): Move ...
1208         * double-int.c: ... here.
1209         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1210         add_double, neg_double, mul_double_with_sign, mul_double,
1211         lshift_double, rshift_double, lrotate_double, rrotate_double,
1212         div_and_round_double): Move prototypes ...
1213         * double-int.h: ... here.
1214
1215 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1216
1217         PR target/43742
1218         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1219         matching constraints to ensure inputs match the output.
1220
1221 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1222
1223         PR target/43742
1224         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1225         in an input-only operand.
1226
1227 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1228
1229         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1230         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1231         (double_int_negative_p): Convert to static inline function.
1232         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1233         (double_int_negative_p): Remove.
1234         * tree.h (lshift_double, rshift_double):
1235         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1236         * fold-const.c (fold_convert_const_int_from_real,
1237         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1238         (lshift_double): Change type of arith argument to bool.
1239         (rshift_double): Change type of arith argument to bool. Correct
1240         comment.
1241         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1242
1243 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1244
1245         PR target/21803
1246         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1247         at the start and end of the then/else blocks, and omit them from the
1248         conversion.
1249         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1250         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1251         (flow_find_head_matching_sequence): New function.
1252         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1253         * basic-block.h (flow_find_cross_jump,
1254         flow_find_head_matching_sequence): Declare functions.
1255
1256 2010-04-14  Jason Merrill  <jason@redhat.com>
1257
1258         PR c++/36625
1259         * c-common.c (attribute_takes_identifier_p): New fn.
1260         * c-common.h: Declare it.
1261
1262 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1263
1264         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1265         splitter condition.
1266         (*udivmod<mode>4): Ditto.
1267
1268 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1269
1270         * config/i386/i386.md (maxmin_int): Rename code attribute from
1271         maxminiprefix and update all users.
1272         (maxmin_float): Ditto from maxminfprefix.
1273         (logic): Ditto from logicprefix.
1274         (absneg_mnemonic): Ditto from absnegprefix.
1275         * config/i386/mmx.md: Update all users of maxminiprefix,
1276         maxminfprefix and logicprefix for rename.
1277         * config/i386/sse.md: Ditto.
1278         * config/i386/sync.md (sync_<code><mode>): Update for
1279         logicprefix rename.
1280
1281 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1282
1283         PR 42966
1284         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1285         warnings converted to errors.
1286
1287 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1288
1289         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1290         used insn_type variable.
1291         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1292         to avoid set-but-not-used warning.
1293
1294 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         * df-core.c (df_ref_debug): Change format string placeholder
1297         from 0x%x to %#x.
1298         * dwarf2asm.c (dw2_asm_output_data_raw,
1299         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1300         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1301         * dwarf2out.c (output_cfi, output_cfi_directive,
1302         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1303         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1304         Ditto.
1305         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1306         * print-rtl.c (print_rtx): Ditto.
1307
1308 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1309
1310         PR middle-end/42694
1311         * builtins.c (expand_builtin_pow_root): New function to expand pow
1312         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1313         series of sqrt and cbrt calls under -ffast-math.
1314         (expand_builtin_pow): Call it.
1315
1316 2010-04-14  Michael Matz  <matz@suse.de>
1317
1318         PR tree-optimization/42963
1319         * tree-cfg.c (touched_switch_bbs): New static variable.
1320         (group_case_labels_stmt): New function broken out from ...
1321         (group_case_labels): ... here, use the above.
1322         (start_recording_case_labels): Allocate touched_switch_bbs.
1323         (end_recording_case_labels): Deallocate it, call
1324         group_case_labels_stmt.
1325         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1326
1327 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1328
1329         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1330         from insn template.
1331
1332 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1333
1334         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1335
1336 2010-04-13  Jan Hubicka  <jh@suse.cz>
1337
1338         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1339         of optimized out static functions.
1340         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1341         cost computation.  Also sanity check for overflows.
1342         (update_caller_keys): Update cgraph_edge_badness call; properly
1343         update fibheap and sanity check that it is up to date.
1344         (add_new_edges_to_heap): Update cgraph_edge_badness.
1345         (cgraph_decide_inlining_of_small_function): Likewise;
1346         add sanity checking that badness in heap is up to date;
1347         improve dumping of reason; Update badness of calls to the
1348         offline copy of function currently inlined; dump badness
1349         of functions not inlined because of unit growth limits.
1350
1351 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         PR middle-end/32628
1354         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1355         because of sign-extension change when converting to sizetype here...
1356         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1357
1358         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1359         the folding to constants.  Remove redundant final conversion.
1360         (fold_binary) <associate>: Do not associate if the re-association of
1361         constants alone overflows.
1362         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1363         to the end of the list.
1364         (multiple_of_p) <COND_EXPR>: New case.
1365
1366 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1367
1368         * opt-functions.awk (opt_sanitized_name): New.
1369         (opt_enum): New.
1370         * optc-gen.awk: Use it
1371         * opth-gen.awk: Use it.
1372
1373 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1374
1375         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1376         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1377         children.  Call replace_uses_with_default_def_ssa_name to handle
1378         SSA_NAES on lhs.
1379
1380 2010-04-13  Michael Matz  <matz@suse.de>
1381
1382         PR middle-end/43730
1383         * builtins.c (expand_builtin_interclass_mathfn): Also create
1384         a register if the predicate doesn't match.
1385
1386 2010-04-13  Diego Novillo  <dnovillo@google.com>
1387
1388         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1389         * c-pch.c: Include timevar.h.
1390         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1391         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1392         * ggc-common.c: Include timevar.h.
1393         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1394         * timevar.def (TV_PCH_SAVE): Define.
1395         (TV_PCH_CPP_SAVE): Define.
1396         (TV_PCH_PTR_REALLOC): Define.
1397         (TV_PCH_PTR_SORT): Define.
1398         (TV_PCH_RESTORE): Define.
1399         (TV_PCH_CPP_RESTORE): Define.
1400
1401 2010-04-13  Michael Matz  <matz@suse.de>
1402
1403         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1404         into MINUS_EXPRs.
1405         (can_reassociate_p): New function.
1406         (break_up_subtract_bb, reassociate_bb): Use it.
1407
1408 2010-04-13  Richard Guenther  <rguenther@suse.de>
1409
1410         PR bootstrap/43737
1411         * builtins.c (c_readstr): Fix assert.
1412
1413 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1414
1415         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1416         when generating cltd insn.
1417
1418         (*ashl<mode>3_1): Remove special handling for register operand 2.
1419         (*ashlsi3_1_zext): Ditto.
1420         (*ashlhi3_1): Ditto.
1421         (*ashlhi3_1_lea): Ditto.
1422         (*ashlqi3_1): Ditto.
1423         (*ashlqi3_1_lea): Ditto.
1424         (*<shiftrt_insn><mode>3_1): Ditto.
1425         (*<shiftrt_insn>si3_1_zext): Ditto.
1426         (*<shiftrt_insn>qi3_1_slp): Ditto.
1427         (*<rotate_insn><mode>3_1): Ditto.
1428         (*<rotate_insn>si3_1_zext): Ditto.
1429         (*<rotate_insn>qi3_1_slp): Ditto.
1430
1431 2010-04-13  Richard Guenther  <rguenther@suse.de>
1432
1433         * tree-ssa-structalias.c (callused_id): Remove.
1434         (call_stmt_vars): New.
1435         (get_call_vi): Likewise.
1436         (lookup_call_use_vi): Likewise.
1437         (lookup_call_clobber_vi): Likewise.
1438         (get_call_use_vi): Likewise.
1439         (get_call_clobber_vi): Likewise.
1440         (make_transitive_closure_constraints): Likewise.
1441         (handle_const_call): Adjust to do per-call call-used handling.
1442         (handle_pure_call): Likewise.
1443         (find_what_var_points_to): Remove general callused handling.
1444         (init_base_vars): Likewise.
1445         (init_alias_vars): Initialize call_stmt_vars.
1446         (compute_points_to_sets): Process call-used and call-clobbered
1447         vars for call statements.
1448         (delete_points_to_sets): Free call_stmt_vars.
1449
1450 2010-04-13  Richard Guenther  <rguenther@suse.de>
1451
1452         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1453         Only add RW dependence for dependence distance zero.
1454         Adjust maximal vectorization factor according to dependences.
1455         Move alignment handling ...
1456         (vect_find_same_alignment_drs): ... here.  New function.
1457         (vect_analyze_data_ref_dependences): Adjust.
1458         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1459         (vect_analyze_data_refs): Adjust minimal vectorization factor
1460         according to data references.
1461         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1462         dependences before determining the vectorization factor.
1463         Analyze alignment after determining the vectorization factor.
1464         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1465         dependences before alignment.
1466         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1467         Adjust prototype.
1468         (vect_analyze_data_refs): Likewise.
1469         (MAX_VECTORIZATION_FACTOR): New define.
1470
1471 2010-04-13  Duncan Sands  <baldrick@free.fr>
1472
1473         * except.h (lang_eh_type_covers): Remove.
1474         * except.c (lang_eh_type_covers): Likewise.
1475
1476 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1477             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1478
1479         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1480         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1481         UNITS_PER_LONG where it is ABI relevant.
1482         (s390_return_addr_rtx): Likewise.
1483         (s390_back_chain_rtx): Likewise.
1484         (s390_frame_area): Likewise.
1485         (s390_frame_info): Likewise.
1486         (s390_initial_elimination_offset): Likewise.
1487         (save_gprs): Likewise.
1488         (s390_emit_prologue): Likewise.
1489         (s390_emit_epilogue): Likewise.
1490         (s390_function_arg_advance): Likewise.
1491         (s390_function_arg): Likewise.
1492         (s390_va_start): Likewise.
1493         (s390_gimplify_va_arg): Likewise.
1494         (s390_function_profiler): Likewise.
1495         (s390_optimize_prologue): Likewise.
1496         (s390_rtx_costs): Likewise.
1497         (s390_secondary_reload): Likewise.
1498         (s390_promote_function_mode): Likewise.
1499         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1500         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1501         registers available.
1502         (s390_unwind_word_mode): New function.
1503         (s390_function_value): Split 64 bit values into register pair if
1504         used as return value.
1505         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1506         function call parameters.  Handle parallels.
1507         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1508         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1509         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1510         (s390_expand_setmem): Remove unused variable src_addr.
1511         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1512         deal with 64 bit registers.
1513         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1514         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1515         (UNITS_PER_LONG): New macro.
1516         * libjava/include/s390-signal.h: Define extended ucontext
1517         structure containing the upper halfs of the 64 bit registers.
1518
1519 2010-04-13  Simon Baldwin  <simonb@google.com>
1520
1521         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1522
1523 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1526         rvalue on the RHS if the LHS is of a non-renamable type.
1527         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1528
1529 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1530
1531         * gcc.c (cc1_options): Handle -iplugindir before processing
1532         the cc1 spec. Only add -iplugindir once.
1533         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1534         found.
1535         * common.opt (iplugindir): Remove `Separate' property, initialize.
1536         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1537         option.
1538         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1539         (distclean): Remove plugin dir.
1540         * doc/invoke.texi: Document -iplugindir.
1541
1542 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1543
1544         * doc/plugins.texi (Loading Plugins): Document short
1545         -fplugin=foo option.
1546         (Plugin API): Mention default_plugin_dir_name function.
1547
1548         * gcc.c (find_file_spec_function): Add new declaration.
1549         (static_spec_func): Use it for "find-file".
1550         (find_file_spec_function): Add new function.
1551         (cc1_options): Add -iplugindir option if -fplugin* options found.
1552
1553         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1554
1555         * plugin.c (add_new_plugin): Updated comment, and handle short
1556         plugin name.
1557         (default_plugin_dir_name): Added new function.
1558
1559         * common.opt (iplugindir): New option to set the plugin directory.
1560
1561 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1562
1563         * config/i386/i386.md (any_rotate): New code iterator.
1564         (rotate_insn): New code attribute.
1565         (rotate): Ditto.
1566         (SWIM124): New mode iterator.
1567         (<rotate_insn>ti3): New expander.
1568         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1569         any_rotate code iterator.
1570         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1571         using any_rotate code iterator and SWIM124 mode iterator.
1572         (ix86_rotlti3): New insn_and_split pattern.
1573         (ix86_rotrti3): Ditto.
1574         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1575         ix86_rotl{di,ti}3 patterns.
1576         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1577         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1578         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1579         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1580         code iterator and SWI mode iterator.
1581         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1582         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1583         code iterator.
1584         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1585         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1586         (bswap rotatert splitter): Add splitter.
1587         (bswap splitter): Macroize splitter using any_rotate code iterator.
1588         Add insn predicate to split only for TARGET_USE_XCHGB or when
1589         optimizing function for size.
1590
1591 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1592
1593         * config/pa/pa.c (emit_move_sequence): Remove use of
1594         deleted variable flag_argument_noalias.
1595
1596 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1597
1598         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1599         configurations.
1600         Add to unsupported targets list.
1601         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1602         sparc*-sun-solaris2.[567]* from target lists.
1603         * configure: Regenerate.
1604         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1605         removal.
1606         Remove Solaris 7 patch references.
1607         (Specific, sparc-sun-solaris2.7): Removed.
1608         (sparc-sun-solaris2*): Update Solaris 7 example.
1609         (sparc64-*-solaris2*): Likewise.
1610
1611 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1612
1613         * config.build (alpha*-dec-osf4*): Remove.
1614         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1615         of obsolete configurations.
1616         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1617         support.
1618         * config/alpha/t-osf4: Renamed to ...
1619         * config/alpha/t-osf5: ... this.
1620         * config/alpha/osf.h: Renamed to ...
1621         * config/alpha/osf5.h: ... this.
1622         Merged old osf5.h contents.
1623         Update comments.
1624         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1625         (EXTRA_SPECS): Removed.
1626         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1627         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1628         Document that.
1629
1630 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1631
1632         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1633
1634 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1635
1636         PR/43702
1637         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1638         __thiscall convention.
1639
1640 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1641
1642         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1643         orig_base.
1644         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1645
1646 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1647
1648         * function.c (assign_parms_initialize_all): Add unused attribute
1649         to fntype.
1650
1651 2010-04-12  Richard Guenther  <rguenther@suse.de>
1652
1653         * gsstruct.def (GSS_CALL): New.
1654         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1655         * gimple.h: Include tree-ssa-alias.h.
1656         (struct gimple_statement_call): New.
1657         (union gimple_statement_struct_d): Add gimple_call member.
1658         (gimple_call_reset_alias_info): Declare.
1659         (gimple_call_use_set): New function.
1660         (gimple_call_clobber_set): Likewise.
1661         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1662         * gimple.c (gimple_call_reset_alias_info): New function.
1663         (gimple_build_call_1): Call it.
1664         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1665         * tree-inline.c (remap_gimple_stmt): Likewise.
1666         (expand_call_inline): Remove callused handling.
1667         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1668         * tree-dfa.c (dump_variable): Likewise.
1669         * tree-parloops.c (parallelize_loops): Likewise.
1670         * tree-ssa.c (init_tree_ssa): Likewise.
1671         (delete_tree_ssa): Likewise.
1672         * tree-flow-inline.h (is_call_used): Remove.
1673         * tree-flow.h (struct gimple_df): Remove callused member.
1674         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1675         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1676         (ref_maybe_used_by_call_p_1): Simplify.
1677         (call_may_clobber_ref_p_1): Likewise.
1678         * tree-ssa-structalias.c (compute_points_to_sets): Set
1679         the call stmt used and clobbered sets.
1680         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1681         (find_tail_calls): Verify the tail call.
1682
1683 2010-04-12  Richard Guenther  <rguenther@suse.de>
1684
1685         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1686         single-iteration always-inline inlining.
1687         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1688         (cgraph_decide_inlining): Do not handle always-inline specially.
1689         (try_inline): Remove always-inline cycle detection special case.
1690         Do not recurse on always-inlines.
1691         (cgraph_early_inlining): Do not iterate if not optimizing.
1692         (cgraph_gate_early_inlining): remove.
1693         (pass_early_inline): Run unconditionally.
1694         (gate_cgraph_decide_inlining): New function.
1695         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1696         not inlining or optimizing.
1697         (cgraph_decide_inlining_of_small_functions): Also consider
1698         always-inline functions.
1699         (cgraph_default_inline_p): Return true for nodes which should
1700         disregard inline limits.
1701         (estimate_function_body_sizes): Assume zero size and time for
1702         nodes which are marked as disregarding inline limits.
1703         (cgraph_decide_recursive_inlining): Do not perform recursive
1704         inlining on always-inline nodes.
1705
1706 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1707
1708         PR bootstrap/43699
1709         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1710         for exprs satisfying handled_component_p.
1711
1712 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1713
1714         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1715         non-constant aggregate elements.
1716
1717         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1718         is a real initialization.
1719
1720 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1721
1722         PR c/36774
1723         * c-decl.c (start_function): Move forward check for nested function.
1724
1725 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1726
1727         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1728         * config/sh/sh.c: Include reload.h.
1729         (sh_legitimize_reload_address): New.
1730         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1731         sh_legitimize_reload_address.
1732
1733 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1734
1735         * config/sh/sh.md (*movqi_pop): New insn pattern.
1736         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1737
1738 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1739
1740         * config/i386/i386.md (any_shiftrt): New code iterator.
1741         (shiftrt_insn): New code attribute.
1742         (shiftrt): Ditto.
1743         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1744         using any_shiftrt code iterator.
1745         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1746         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1747         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1748         pattern from corresponding peephole2 patterns.
1749         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1750         using any_shiftrt code iterator.
1751         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1752         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1753         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1754         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1755         *{ashr,lshr}<mode>3_cmp_zext.
1756         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1757
1758 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1759
1760         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1761         scratch register.
1762         (*lshr<mode>3_cconly): Ditto.
1763
1764 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1765
1766         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1767         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1768         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1769         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1770         DWI mode iterator.
1771         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1772         from corresponding peephole2 patterns.
1773         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1774         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1775         and *lshrdi3_1_rex64 using SWI mode iterator.
1776         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1777         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1778         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1779         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1780         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1781         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1782         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1783         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1784         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1785         SWI mode iterator.
1786
1787 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1788
1789         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1790         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1791         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1792         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1793         DWI mode iterator.
1794         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1795         from corresponding peephole2 patterns.
1796         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1797         (ashrsi3_cvt): Rename from ashrsi3_31.
1798         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1799         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1800         and x86_64_shift_adj_3 using SWI48 mode iterator.
1801         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1802         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1803         and *ashrdi3_1_rex64 using SWI mode iterator.
1804         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1805         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1806         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1807         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1808         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1809         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1810         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1811         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1812         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1813         SWI mode iterator.
1814         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1815         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1816         x86_shift<mode>_adj_3 expanders.
1817
1818 2010-04-10  Wei Guozhi  <carrot@google.com>
1819
1820         PR target/42601
1821         * config/arm/arm.c (arm_pic_static_addr): New function.
1822         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1823         a static symbol.
1824         (arm_output_addr_const_extra): Output expression for new pattern.
1825         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1826
1827 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1828
1829         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1830         not enabled.
1831
1832         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1833         * web.c: Include "insn-config.h" and "recog.h".
1834         (union_match_dups): New function.
1835         (web_main): Call it.
1836         (union_defs): Don't try to recognize match_dups.
1837
1838         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1839         if doing so would replace the entire pattern.
1840
1841 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1842
1843         PR target/43707
1844         PR target/43709
1845         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1846         and splitter pattern.  Change splitter operand 1 predicate to
1847         nonmemory_operand.
1848
1849 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1850
1851         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1852         lattices are addresses of CONST_DECLs with the same initial value.
1853         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1854         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1855
1856 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1857             Bernd Schmidt  <bernds@codesourcery.com>
1858
1859         * loop-invariant.c (replace_uses): New static function.
1860         (move_invariant_reg): Use it to ensure we can replace the uses.
1861
1862 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1863
1864         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1865         function template.
1866         (picochip_override_options): Enable section anchors only above -O1.
1867         (picochip_reorg): Fixed a couple of build warnings.
1868
1869 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1870
1871         * configure.ac (plugin -rdynamic test): Log result.
1872         * configure: Regenerate.
1873         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1874         (RDYNAMIC_SPEC): Define.
1875         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1876
1877 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1878
1879         * configure.ac: Determine Sun ld version numbers.
1880         (comdat_group): Restrict GNU ld version checks to gld.
1881         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1882         (enable_comdat): Support --enable-comdat.
1883         * configure: Regenerate.
1884         * doc/install.texi (Configuration): Document --enable-comdat.
1885
1886 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1887
1888         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1889         * config/sol2-gld.h: ... here.
1890         * config.gcc (sparc*-*-solaris2*): Reflect this.
1891         (i[34567]86-*-solaris2*): Use it.
1892
1893 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1894
1895         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1896         setup_clocks_p.
1897         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1898
1899 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1900
1901         PR 42965
1902         * diagnostic.c (diagnostic_initialize): Initialize
1903         some_warnings_are_errors.
1904         (diagnostic_finish): New.
1905         (diagnostic_action_after_output): Call it before exiting.
1906         (diagnostic_report_diagnostic): Do not print message here. Set
1907         some_warnings_are_errors.
1908         * diagnostic.h (diagnostic_context): Delete
1909         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1910         (diagnostic_finish): Declare.
1911         * toplev.c (toplev_main): Call it before exit.
1912
1913 2010-04-09  Jason Merrill  <jason@redhat.com>
1914
1915         PR c++/42623
1916         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1917         for incomplete type.
1918
1919         PR c++/41788
1920         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1921         based on a warning flag.
1922
1923 2010-04-09  Richard Guenther  <rguenther@suse.de>
1924
1925         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1926
1927 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1928
1929         PR bootstrap/43684
1930         * varasm.c (default_assemble_visibility): Wrap vars that are
1931         set, but unused, by targets without GAS.
1932         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1933         Remove set, but unused, vars.
1934         (rs6000_legitimize_tls_address): Likewise.
1935         (altivec_expand_dst_builtin): Likewise.
1936         * config/darwin.c (machopic_classify_symbol): Likewise.
1937         (machopic_indirection_name): Likewise.
1938
1939 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1940
1941         * config/i386/i386.md (DWI): New mode iterator.
1942         (S): New mode attribute.
1943         (shift_operand): Ditto.
1944         (shift_immediate_operand): Ditto.
1945         (ashl_input_operand): Ditto.
1946         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1947         using SDWIM mode iterator.
1948         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1949         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1950         DWI mode iterator.
1951         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1952         from corresponding peephole2 patterns.
1953         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1954         and x86_64_shift_adj_1 using SWI48 mode iterator.
1955         (x86_shift<mode>_adj_2): Ditto.
1956         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1957         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1958         using SWI48 mode iterator.
1959         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1960         *ashldi3_cmp_rex64 using SWI mode iterator.
1961         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1962         *ashldi3_cconly_rex64 using SWI mode iterator.
1963         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1964         x86_shift<mode>_adj_{1,2}.
1965         (ix86_split_ashr): Ditto.
1966         (ix86_split_lshr): Ditto.
1967
1968 2010-04-09  Richard Guenther  <rguenther@suse.de>
1969
1970         * target.h (builtin_conversion): Pass in input and output types.
1971         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1972         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1973         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1974         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1975
1976         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1977         Handle AVX modes.
1978         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1979
1980 2010-04-09  Richard Guenther  <rguenther@suse.de>
1981
1982         PR target/43152
1983         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1984
1985 2010-04-09  Richard Guenther  <rguenther@suse.de>
1986
1987         * tree-vectorizer.h (struct _stmt_vec_info): Document
1988         that vectype is the type of the LHS.
1989         (supportable_widening_operation, supportable_narrowing_operation):
1990         Get both input and output vector types as arguments.
1991         (vect_is_simple_use_1): Declare.
1992         (get_same_sized_vectype): Likewise.
1993         * tree-vect-loop.c (vect_determine_vectorization_factor):
1994         Set STMT_VINFO_VECTYPE to the vector type of the def.
1995         (vectorizable_reduction): Adjust.
1996         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1997         Adjust.  Specify the output vector type.
1998         (vect_pattern_recog_1): Adjust.
1999         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2000         (vectorizable_call): Adjust.
2001         (vectorizable_conversion): Likewise.
2002         (vectorizable_operation): Likewise.
2003         (vectorizable_type_demotion): Likewise.
2004         (vectorizable_type_promotion): Likewise.
2005         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2006         the def.
2007         (vect_is_simple_use_1): New function.
2008         (supportable_widening_operation): Get both input and output
2009         vector types.
2010         (supportable_narrowing_operation): Likewise.
2011         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2012
2013 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2014
2015         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2016         __thiscall and _thiscall as predefined macros.
2017         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2018         thiscall attribute handling.
2019         (ix86_comp_type_attributes): Likewise.
2020         (ix86_function_regparm): Likewise.
2021         (ix86_return_pops_args): Likewise.
2022         (init_cumulative_args): Likewise.
2023         (find_drap_reg): Likewise.
2024         (ix86_static_chain): Likewise.
2025         (x86_this_parameter): Likewise.
2026         (x86_output_mi_thunk): Likewise.
2027         (ix86_attribute_table): Add description for thiscall attribute.
2028         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2029         * doc/extend.texi: Add documentation for thiscall.
2030
2031 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2032
2033         PR c++/28584
2034         * c.opt (Wint-to-pointer-cast): Available in C++.
2035         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2036
2037 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2038
2039         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2040         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2041         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2042         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2043         function type instead.  Reorder and simplify checks.
2044
2045         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2046
2047 2010-04-08  Jing Yu  <jingyu@google.com>
2048             Zdenek Dvorak  <ook@ucw.cz>
2049
2050         PR tree-optimization/42720
2051         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2052         loop unswitch conditions here from ...
2053         (tree_unswitch_single_loop): ... here.
2054
2055 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2056
2057         * tree-if-conv.c: Fix comments and simplify logic.
2058
2059 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2062         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2063         (main_tree_if_conversion): Update call to tree_if_conversion.
2064
2065 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2066
2067         PR 42485
2068         * doc/invoke.texi (-b,-V): Delete.
2069         * doc/tm.texi: Do not mention -b.
2070         * gcc.c (display_help): Delete -b and -V.
2071         (process_command): Delete -b and -V.
2072         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2073
2074 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2075             Wolfgang Gellerich  <gellerich@de.ibm.com>
2076
2077         Implement target hook for loop unrolling
2078         * target.h (loop_unroll_adjust): Add a new target hook function.
2079         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2080         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2081         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2082         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2083         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2084         target hook.
2085         (decide_unroll_stupid): Likewise.
2086
2087 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2088
2089         PR target/43643
2090         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2091
2092 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2093
2094         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2095         (Specific, *-*-solaris2*): Likewise.
2096         Don't prefer Sun as over GNU as.
2097
2098 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2099
2100         * config/s390/s390.c (override_options): Adjust the z10
2101           defaults for max-unroll-times, max-completely-peeled-insns
2102           and max-completely-peel-times.
2103
2104 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2105
2106         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2107         instructions for z10.
2108         (s390_expand_setmem): Likewise.
2109         (s390_expand_cmpmem): Likewise.
2110
2111 2010-04-08  Richard Guenther  <rguenther@suse.de>
2112
2113         PR tree-optimization/43679
2114         * tree-ssa-pre.c (eliminate): Only propagate copies.
2115
2116 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2117
2118         PR bootstrap/43681
2119         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2120         set but not used variable warning.
2121
2122 2010-04-08  Wei Guozhi  <carrot@google.com>
2123
2124         PR target/41653
2125         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2126         (arm_size_rtx_costs): Call the new function when optimized for size.
2127
2128 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2129
2130         PR debug/43670
2131         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2132         op0 is not a MEM, just return NULL instead of assertion
2133         failure.
2134         (discover_nonconstant_array_refs): Don't walk debug stmts.
2135
2136 2010-04-08  Doug Kwan  <dougkwan@google.com>
2137
2138         * configure.ac: Recognize gold and do not use its version number
2139         to test ld features.
2140         * configure: Regenerate.
2141
2142 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2143
2144         PR middle-end/40815
2145         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2146         (negate_value): Move code to push elements to broken_up_substracts ...
2147         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2148         negative pair to plus_negates.
2149         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2150
2151 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2152
2153         * doc/install.texi (Configuration): Move description of
2154         --enable-lto, --with-libelf*, --enable-gold from Java section to
2155         general section.
2156
2157         * doc/generic.texi (Working with declarations)
2158         (Function Properties, C and C++ Trees): Fix typos.
2159         * doc/sourcebuild.texi (Top Level): Likewise.
2160
2161 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2162
2163         PR c/18624
2164         * tree.h (DECL_READ_P): Define.
2165         (struct tree_decl_common): Add decl_read_flag.
2166         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2167         a set but not used warning.
2168         (merge_decls): Merge DECL_READ_P flag.
2169         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2170         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2171         * c-common.c (handle_used_attribute, handle_unused_attribute):
2172         Likewise.
2173         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2174         New prototypes.
2175         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2176         New functions.
2177         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2178         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2179         c_parser_binary_expression, c_parser_cast_expression,
2180         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2181         Call default_function_array_read_conversion instead of
2182         default_function_array_conversion where needed.
2183         (c_parser_unary_expression, c_parser_conditional_expression,
2184         c_parser_postfix_expression_after_primary, c_parser_initelt):
2185         Likewise.  Call mark_exp_read where needed.
2186         (c_parser_statement_after_labels, c_parser_asm_operands,
2187         c_parser_typeof_specifier, c_parser_sizeof_expression,
2188         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2189         where needed.
2190         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2191         New.
2192         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2193         (warn_unused_but_set_parameter): Default to warn_unused
2194         && extra_warnings.
2195         * doc/invoke.texi: Document -Wunused-but-set-variable and
2196         -Wunused-but-set-parameter.
2197
2198         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2199         used count variable.
2200         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2201         when operandN variables aren't used in the body of the expander
2202         or splitter.
2203         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2204         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2205         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2206         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2207         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2208         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2209         * tree.c (PROCESS_ARG): Likewise.
2210
2211 2010-04-07  Simon Baldwin  <simonb@google.com>
2212
2213         * diagnostic.h (diagnostic_override_option_index): New macro to
2214         set a diagnostic's option_index.
2215         * c-tree.h (c_cpp_error): Add warning reason argument.
2216         * opts.c (_warning_as_error_callback): New.
2217         (register_warning_as_error_callback): Store callback for
2218         warnings enabled via enable_warning_as_error.
2219         (enable_warning_as_error): Call callback, minor code tidy.
2220         * opts.h (register_warning_as_error_callback): Declare.
2221         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2222         response to -Werror=.
2223         (c_common_init_options): Register warning_as_error_callback in opts.c.
2224         * common.opt: Add -Wno-cpp option.
2225         * c-common.c (struct reason_option_codes_t): Map cpp warning
2226         reason codes to gcc option indexes.
2227         * (c_option_controlling_cpp_error): New function, lookup the gcc
2228         option index for a cpp warning reason code.
2229         * (c_cpp_error): Add warning reason argument, call
2230         c_option_controlling_cpp_error for diagnostic_override_option_index.
2231         * doc/invoke.texi: Document -Wno-cpp.
2232
2233 2010-04-07  Richard Guenther  <rguenther@suse.de>
2234
2235         * ipa-reference.c (mark_load): Use get_base_address.
2236         (mark_store): Likewise.
2237
2238         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2239         inserting GIMPLE_NOPs into the IL.
2240         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2241         Explicitly strip handled components and indirect references.
2242
2243         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2244         folding address expressions.
2245         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2246         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2247         operand_equal_p to compare decls.
2248         (ptr_deref_may_alias_decl_p): Likewise.
2249         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2250         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2251         Handle reversed comparison ops.
2252         * tree-sra.c (asm_visit_addr): Use get_base_address.
2253         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2254         * ipa-reference.c (mark_address): Use get_base_address.
2255
2256 2010-04-07  Richard Guenther  <rguenther@suse.de>
2257
2258         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2259         Propagate constants everywhere.
2260
2261 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2262
2263         PR debug/43516
2264         * tree.c (MAX_INT_CACHED_PREC): Define.
2265         (nonstandard_integer_type_cache): New array.
2266         (build_nonstandard_integer_type): Cache results for precision
2267         <= MAX_INT_CACHED_PREC.
2268
2269 2010-04-07  Richard Guenther  <rguenther@suse.de>
2270
2271         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2272         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2273         * common.opt: Likewise.
2274         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2275         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2276         (nonoverlapping_memrefs_p): Likewise.
2277         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2278         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2279         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2280         OPT_fargument_noalias_global for backward compatibility.
2281
2282 2010-04-07  Richard Guenther  <rguenther@suse.de>
2283
2284         PR tree-optimization/43270
2285         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2286         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2287         * tree-ssa-pre.c (phi_translate_1): Adjust.
2288         (fully_constant_expression): Split out vn_reference handling to ...
2289         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2290         Fold reads from constant strings.
2291         (vn_reference_lookup): Handle fully constant references.
2292         (vn_reference_lookup_pieces): Likewise.
2293         * Makefile.in (expmed.o-warn): Add -Wno-error.
2294
2295 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2296
2297         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2298
2299 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2300
2301         PR driver/41594
2302         * gcc.c: Add -static-libstdc++ to list of recognized options.
2303
2304 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2305
2306         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2307
2308 2010-04-07  Richard Guenther  <rguenther@suse.de>
2309
2310         PR middle-end/42617
2311         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2312         bases build simple mem attributes to retain points-to information.
2313
2314 2010-04-07  Richard Guenther  <rguenther@suse.de>
2315
2316         PR middle-end/42617
2317         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2318         preserve points-to related information.
2319
2320 2010-04-07  Richard Guenther  <rguenther@suse.de>
2321
2322         PR middle-end/42617
2323         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2324         discard plain indirect references.
2325         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2326         * tree.c (tree_nop_conversion): Likewise.
2327
2328 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2329
2330         PR debug/43628
2331         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2332
2333 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2334
2335         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2336         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2337
2338 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * tree-if-conv.c: Fix indentation and comments.
2341
2342 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2343
2344         * tree-if-conv.c: Sort static functions in topological order.
2345
2346 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         * tree-if-conv.c: Fix indentation and comments.
2349
2350 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2351
2352         PR middle-end/43519
2353         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2354         lang_hooks.types.type_for_size instead of
2355         build_nonstandard_integer_type.
2356         When converting an unsigned type to signed, double its precision.
2357         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2358         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2359         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2360         use lb <= ub.
2361
2362 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2363
2364         PR middle-end/43519
2365         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2366         POINTER_PLUS_EXPR for pointer types.
2367
2368 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2369
2370         PR middle-end/43519
2371         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2372         * graphite-clast-to-gimple.c: Include langhooks.h.
2373         (max_signed_precision_type): New.
2374         (max_precision_type): Takes two types as arguments.
2375         (precision_for_value): New.
2376         (precision_for_interval): New.
2377         (gcc_type_for_interval): New.
2378         (gcc_type_for_value): New.
2379         (gcc_type_for_clast_term): New.
2380         (gcc_type_for_clast_red): New.
2381         (gcc_type_for_clast_bin): New.
2382         (gcc_type_for_clast_expr): Split up into several functions.
2383         (gcc_type_for_clast_eq): Rewritten.
2384         (compute_bounds_for_level): New.
2385         (compute_type_for_level_1): New.
2386         (compute_type_for_level): New.
2387         (gcc_type_for_cloog_iv): Removed.
2388         (gcc_type_for_iv_of_clast_loop): Rewritten.
2389         (graphite_create_new_loop): Compute the lower and upper bound types
2390         with gcc_type_for_clast_expr.
2391         (graphite_create_new_loop_guard): Same.
2392         (find_cloog_iv_in_expr): Removed.
2393         (compute_cloog_iv_types_1): Removed.
2394         (compute_cloog_iv_types): Removed.
2395         (gloog): Do not call compute_cloog_iv_types.
2396         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2397         GBB_CLOOG_IV_TYPES.
2398         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2399         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2400         (GBB_CLOOG_IV_TYPES): Removed.
2401
2402 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2403
2404         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2405         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2406         (detect_commutative_reduction): Same.
2407
2408 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2411         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2412         argument.
2413         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2414         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2415         (rewrite_commutative_reductions_out_of_ssa): Same.
2416         * passes.c (execute_function_todo): Call verify_ssa for every pass
2417         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2418         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2419         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2420         with an extra argument.
2421         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2422         verify_ssa only when the extra argument is true.
2423         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2424         with an extra argument.
2425         (tree_transform_and_unroll_loop): Same.
2426
2427 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2430         for all the passes of the LNO having LOOP_CLOSED_SSA.
2431         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2432         * tree-loop-distribution.c (pass_loop_distribution): Same.
2433         * tree-pass.h (TODO_verify_loops): Removed.
2434         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2435         (pass_lim): Same.
2436         (pass_tree_unswitch): Same.
2437         (pass_predcom): Same.
2438         (pass_vectorize): Same.
2439         (pass_linear_transform): Same.
2440         (pass_graphite_transforms): Same.
2441         (pass_iv_canon): Same.
2442         (pass_complete_unroll): Same.
2443         (pass_complete_unrolli): Same.
2444         (pass_parallelize_loops): Same.
2445         (pass_loop_prefetch): Same.
2446         (pass_iv_optimize): Same.
2447
2448 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2449
2450         PR middle-end/32824
2451         * passes.c (init_optimization_passes): Move pass_lim before
2452         pass_copy_prop and pass_dce_loop.
2453
2454 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2455
2456         PR target/43667
2457         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2458         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2459         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2460         MULTI_* defines for 4 argument vpermil2p* builtins.
2461
2462 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2463
2464         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2465         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2466         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2467         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2468         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2469         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2470         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2471         Use x86_maybe_negate_const_int to output insn mnemonic.
2472         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2473         check from instruction predicate.  Update comments.
2474         * config/i386/sync.md (sync_add<mode>): Use
2475         x86_maybe_negate_const_int to output insn mnemonic.
2476
2477 2010-04-06  Jan Hubicka  <jh@suse.cz>
2478
2479         PR tree-optimization/42906
2480         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2481         IGNORE_SELF argument.  Set visited_control_parents for fully
2482         processed BBs.
2483         (find_obviously_necessary_stmts): Update call of
2484         mark_control_dependent_edges_necessary.
2485         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2486
2487 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/i386.md: Remove comment about 'e' and 'E'
2490         operand modifier.
2491
2492 2010-04-06  Richard Guenther  <rguenther@suse.de>
2493
2494         PR tree-optimization/43627
2495         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2496         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2497         not varying.
2498
2499 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2500
2501         * BASE-VER: Change to 4.6.0.
2502
2503         PR target/43638
2504         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2505         handling.
2506
2507 2010-04-06  Richard Guenther  <rguenther@suse.de>
2508
2509         PR middle-end/43661
2510         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2511
2512 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2513
2514         * doc/invoke.texi (Optimize Options): Document that LTO
2515         won't remove object access purely due to incompatible
2516         declarations.
2517
2518 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2519
2520         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2521         Initialize variable.
2522
2523 2010-04-03  Richard Guenther  <rguenther@suse.de>
2524
2525         PR middle-end/42509
2526         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2527         require a non-NULL MEM_OFFSET.
2528
2529 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2530
2531         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2532         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2533         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2534         config/alpha/predicates.md, config/arm/arm.md,
2535         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2536         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2537         config/darwin9.h, config/darwin.c, config/darwin.h,
2538         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2539         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2540         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2541         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2542         config/mips/mips.md, config/mn10300/mn10300.c,
2543         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2544         config/rs6000/aix.h, config/rs6000/dfp.md,
2545         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2546         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2547         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2548         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2549         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2550         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2551         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2552         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2553         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2554         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2555         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2556         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2557         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2558         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2559         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2560         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2561         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2562         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2563         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2564         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2565         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2566         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2567         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2568         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2569         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2570         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2571         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2572         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2573         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2574         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2575         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2576         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2577         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2578         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2579         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2580         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2581
2582 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2583
2584         PR other/43620
2585         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2586         * aclocal.m4: Regenerate.
2587
2588 2010-04-02  Richard Guenther  <rguenther@suse.de>
2589
2590         PR tree-optimization/43629
2591         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2592         if we have seen a constant value.
2593
2594 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2595
2596         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2597
2598 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2599
2600         PR target/43469
2601         * arm.c (legitimize_tls_address): Adjust call to
2602         gen_tls_load_dot_plus_four.
2603         (arm_note_pic_base): New function.
2604         (arm_cannot_copy_insn_p): Use it.
2605         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2606         constraint.
2607
2608 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2609
2610         PR bootstrap/43531
2611
2612         Revert:
2613         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2614
2615         * Makefile.in ($(out_object_file)): Depend on
2616         gt-$(basename $(notdir $(out_file))).h.
2617
2618 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2619
2620         * config.gcc (lm32-*-rtems*): Add t-lm32.
2621
2622 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2623
2624         * config.gcc: Add lm32-*-rtems*.
2625         * config/lm32/rtems.h: New file.
2626
2627 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2628
2629         PR target/42609
2630         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2631
2632 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2633
2634         * dwarf2out.c (output_compilation_unit_header): For
2635         -gdwarf-4 use version 4 instead of version 3.
2636         (output_line_info): For version 4 and above emit additional
2637         maximum ops per insn header field.
2638         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2639
2640         * dwarf2out.c (is_c_family, is_java): Remove.
2641         (lower_bound_default): New function.
2642         (add_bound_info, gen_descr_array_type_die): Use it.
2643
2644 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2645
2646         PR debug/43325
2647         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2648         re-declaration when it happens in a function.
2649
2650 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2651
2652         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2653         (cgraph_remove_function_insertion_hook): Same.
2654         (cgraph_call_function_insertion_hooks): Same.
2655
2656 2010-04-01  Richard Guenther  <rguenther@suse.de>
2657
2658         PR middle-end/43614
2659         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2660         and TREE_THIS_VOLATILE.
2661         (copy_ref_info): Likewise.
2662         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2663         * tree.c (build6_stat): Ignore side-effects of all but arg5
2664         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2665         TARGET_MEM_REF.
2666
2667 2010-04-01  Richard Guenther  <rguenther@suse.de>
2668
2669         PR tree-optimization/43607
2670         * ipa-type-escape.c (check_call): Do not access non-existing
2671         arguments.
2672
2673 2010-04-01  Richard Guenther  <rguenther@suse.de>
2674
2675         PR middle-end/43602
2676         Revert
2677         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2678                     Jack Howarth <howarth@bromo.med.uc.edu>
2679
2680         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2681         variables TLS.
2682
2683 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2684
2685         * doc/install.texi (Prerequisites): Document libelf usability on
2686         IRIX 5/6 and Solaris 2.
2687         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2688         Update GNU as, GNU ld requirements.
2689         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2690         Document Sun Studio compiler download.
2691         Update and simplify as, ld recommendations.
2692         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2693
2694 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2695
2696         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2697         with_tune_32 to pentium4.
2698
2699 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2700
2701         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2702
2703 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2704
2705         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2706         obsoletion, removal.
2707         Update IDO URL.
2708         Document GNU as requirement.
2709         Update configure requirements.
2710         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2711         Recomment IRIX 6.5.18+.
2712         Document IDF/IDL requirement.
2713         Document GNU as requirement.
2714         Document GNU ld bootstrap failure.
2715         Remove freeware.sgi.com reference.
2716
2717 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2718
2719         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2720         UNIX V4.0, V5.0 obsoletion, removal.
2721         Remove --with-gc=simple reference.
2722         Update VM requirements during bootstrap.
2723         Remove -oldas bootstrap description.
2724         Update binutils reference.
2725         Remove comparison failure note.
2726
2727 2010-03-31  Richard Guenther  <rguenther@suse.de>
2728             Zdenek Dvorak  <ook@ucw.cz>
2729             Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         PR middle-end/43464
2732         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2733         with multiple arguments.
2734         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2735
2736 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         * graphite-dependences.c (print_pddr): Call print_pdr with an
2739         extra argument.
2740         * graphite-poly.c (debug_pdr): Add an extra argument for the
2741         verbosity level.
2742         (print_pdr): Same.
2743         (print_pbb_domain): Same.
2744         (print_pbb): Same.
2745         (print_scop_context): Same.
2746         (print_scop): Same.
2747         (print_cloog): Same.
2748         (debug_pbb_domain): Same.
2749         (debug_pbb): Same.
2750         (print_pdrs): Same.
2751         (debug_pdrs): Same.
2752         (debug_scop_context): Same.
2753         (debug_scop): Same.
2754         (debug_cloog): Same.
2755         (print_scop_params): Same.
2756         (debug_scop_params): Same.
2757         (print_iteration_domain): Same.
2758         (print_iteration_domains): Same.
2759         (debug_iteration_domain): Same.
2760         (debug_iteration_domains): Same.
2761         (print_scattering_function): Same.
2762         (print_scattering_functions): Same.
2763         (debug_scattering_function): Same.
2764         (debug_scattering_functions): Same.
2765         * graphite-poly.h (debug_pdr): Update declaration.
2766         (print_pdr): Same.
2767         (print_pbb_domain): Same.
2768         (print_pbb): Same.
2769         (print_scop_context): Same.
2770         (print_scop): Same.
2771         (print_cloog): Same.
2772         (debug_pbb_domain): Same.
2773         (debug_pbb): Same.
2774         (print_pdrs): Same.
2775         (debug_pdrs): Same.
2776         (debug_scop_context): Same.
2777         (debug_scop): Same.
2778         (debug_cloog): Same.
2779         (print_scop_params): Same.
2780         (debug_scop_params): Same.
2781         (print_iteration_domain): Same.
2782         (print_iteration_domains): Same.
2783         (debug_iteration_domain): Same.
2784         (debug_iteration_domains): Same.
2785         (print_scattering_function): Same.
2786         (print_scattering_functions): Same.
2787         (debug_scattering_function): Same.
2788         (debug_scattering_functions): Same.
2789
2790 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2791
2792         * graphite-poly.c (print_scattering_function_1): New.
2793         (print_scattering_function): Call it.
2794         (print_scop_params): Remove spaces at the end of lines.
2795         (print_cloog): New.
2796         (debug_cloog): New.
2797         * graphite-poly.h (print_cloog): Declared.
2798         (debug_cloog): Declared.
2799
2800 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2801
2802         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2803         in loop->header.
2804         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2805         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2806         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2807         to switch between adding the IV bump in loop->latch or in loop->header.
2808
2809 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         * graphite-poly.c (print_scattering_function): Pretty print following
2812         the scoplib format.
2813         (print_pdr): Same.
2814         (print_pbb_domain): Same.
2815         (dump_gbb_cases): Same.
2816         (dump_gbb_conditions): Same.
2817         (print_pdrs): Same.
2818         (print_pbb): Same.
2819         (print_scop_params): Same.
2820         (print_scop_context): Same.
2821         (print_scop): Same.
2822         (print_pbb_body): New.
2823         (lst_indent_to): New.
2824         (print_lst): Start new lines with a #.
2825         * graphite-poly.h (pbb_bb): New.
2826         (pbb_index): Use pbb_bb.
2827         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2828         disjuncts.
2829         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2830
2831 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2832
2833         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2834         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2835         and 0 instead of 1 for dw_val_class_flag.
2836         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2837         dw_val_class_range_list, dw_val_class_loc_list,
2838         dw_val_class_lineptr and dw_val_class_macptr, use
2839         DW_FORM_flag_present for dw_val_class_flag and
2840         DW_FORM_exprloc for dw_val_class_loc.
2841         (output_die): For -gdwarf-4 print dw_val_class_loc
2842         size as uleb128 instead of 1 or 2 bytes and don't print
2843         anything for dw_val_class_flag.
2844
2845         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2846         instead of cselib_lookup following by tweaking locs->setting_insn.
2847
2848         PR bootstrap/43596
2849         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2850         even before returning from label, setjmp call or volatile asm
2851         handling.
2852
2853 2010-03-31  Richard Guenther  <rguenther@suse.de>
2854
2855         PR middle-end/43600
2856         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2857         temporary data on stack.
2858
2859 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2860
2861         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2862         (PUSHSECTION_ASM_OP): Remove.
2863         (POPSECTION_ASM_OP): Remove.
2864         (PUSHSECTION_FORMAT): Remove.
2865         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2866         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2867         * config/sol2.c (solaris_output_init_fini): Use it.
2868
2869 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2870
2871         PR 43574
2872         * opt-functions.awk (var_type_struct): Use signed char type
2873         for simple variables.
2874
2875 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2876
2877         * config/sol2.c: Include output.h.
2878         (solaris_assemble_visibility): New function.
2879         * config/t-sol2 (sol2.o): Add output.h dependency.
2880         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2881         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2882         Redefine.
2883
2884 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2885
2886         PR target/43580
2887         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2888         V2SImode or XFmode on PRE_DEC.
2889
2890         PR debug/43557
2891         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2892         BLKmode.
2893
2894 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2895
2896         PR 43562
2897         * reload.h (caller_save_initialized_p): Declare.
2898         * toplev.c (backend_init_target): Don't call
2899         init_caller_save but set caller_save_initialized_p to false.
2900         * caller-save.c (caller_save_initialized_p): Define.
2901         (init_caller_save): Check caller_save_initialized_p.
2902         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2903
2904 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2905
2906         PR target/39048
2907         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2908         and soft-fp/t-softfp to tmake_file.
2909         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2910         (LIBGCC2_TF_CEXT): Define.
2911         (TF_SIZE): Define.
2912
2913 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2914
2915         PR debug/42977
2916         * cselib.c (n_useless_values): Document handling of debug locs.
2917         (n_useless_debug_values, n_debug_values): New variables.
2918         (new_elt_loc_list): Don't add to debug values, keep count.
2919         (promote_debug_loc): New.
2920         (cselib_reset_table): Zero new variables.
2921         (entry_and_rtx_equal_p): Promote debug locs.
2922         (discard_useless_locs): Increment n_useless_debug_values for
2923         debug values.
2924         (remove_useless_values): Adjust n_useless_values and n_debug_values
2925         with n_useless_debug_values.
2926         (add_mem_for_addr): Promote debug locs.
2927         (cselib_lookup_mem): Likewise.
2928         (cselib_lookup_addr): Renamed to...
2929         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2930         (cselib_log_lookup): ... this.  Turn into...
2931         (cselib_lookup_addr): ... new wrapper.
2932         (cselib_lookup_from_insn): New.
2933         (cselib_invalidate_regno): Increment n_useless_debug_values for
2934         debug values.
2935         (cselib_invalidate_mem): Likewise.
2936         (cselib_process_insn): Take n_deleted and n_debug_values into
2937         account to guard remove_useless_value call.
2938         (cselib_finish): Zero n_useless_debug_values.
2939         * cselib.h (cselib_lookup_from_insn): Declare.
2940         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2941         (sched_analyze_2): Likewise.
2942
2943 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2944
2945         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2946         functions.
2947         (adjust_mems): Replace narrowing SUBREG of expression containing
2948         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2949         with operations in the narrower mode.
2950
2951         PR debug/43593
2952         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2953         regs_invalidated_by_call instead all call_used_reg_set registers.
2954
2955 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         PR middle-end/43430
2958         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2959         pointer comparisons with types_compatible_p.
2960         * tree-vect-stmts.c (vectorizable_call): Same.
2961         (vectorizable_condition): Same.
2962
2963 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2964
2965         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2966         stack check if the mask would be zero.
2967
2968 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2969             Jack Howarth <howarth@bromo.med.uc.edu>
2970
2971         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2972         variables TLS.
2973
2974 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2975
2976         PR other/25232
2977         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2978         and __unordtf2.
2979         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2980         Include ___unordxf2 and ___unordtf2.
2981         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2982         GCC_4.4.0 here.
2983
2984 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2985
2986         * config/lm32/t-lm32: New file.
2987         * config.gcc: Use the above file when targetting lm32.
2988
2989 2010-03-28  Duncan Sands  <baldrick@free.fr>
2990
2991         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2992
2993 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2994
2995         PR middle-end/43431
2996         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2997         Improve vectorization cost model diagnostic.
2998
2999 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         PR middle-end/43436
3002         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3003         compute_data_dependences_for_loop returns false, early exit
3004         and output an extra diagnostic for the failed data reference
3005         analysis.
3006
3007 2010-03-29  Richard Guenther  <rguenther@suse.de>
3008
3009         PR tree-optimization/43560
3010         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3011         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3012
3013 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3014
3015         PR 43564
3016         * toplev.c (process_options): Set optimization_default_node
3017         and optimization_current_node.
3018         * opts.c (decode_options): Don't set optimization_default_node
3019         and optimization_current_node.
3020
3021 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3022
3023         * config/rtems.h: Abandon -qrtems_debug.
3024
3025 2010-03-28  Jan Hubicka  <jh@suse.cz>
3026
3027         PR tree-optimization/43505
3028         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3029         map should not be copied.
3030
3031 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3032
3033         PR middle-end/41674
3034         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3035         cdtors, set DECL_PRESERVE_P.
3036         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3037         should be preseved.
3038
3039 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         PR tree-optimization/43528
3042         * stor-layout.c (place_field): Check that constant fits into
3043         unsigned HWI when skipping calculation of MS bitfield layout.
3044
3045 2010-03-27  Jan Hubicka  <jh@suse.cz>
3046
3047         PR middle-end/43391
3048         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3049         notice_global_symbol work.
3050
3051 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3052
3053         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3054         instead of dwarf2out_decl.
3055         (struct var_loc_node): Remove section_label field.
3056         (dwarf2out_function_decl): New function.
3057         (dwarf2out_var_location): Don't set section_label field.
3058         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3059
3060 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3061
3062         PR tree-optimization/43544
3063         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3064         First argument for builtin vectorized function hook is now a
3065         tree to be able to distinguish between machine specific and
3066         standard builtins.
3067         * targhooks.c (default_builtin_vectorized_function): Ditto.
3068         * targhooks.h (default_builtin_vectorized_function): Ditto.
3069         * target.h (struct gcc_target): Ditto.
3070         * tree-vect-stmts.c (vectorizable_function): Ditto.
3071         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3072         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3073         Ditto.
3074
3075 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3076
3077         PR c/43381
3078         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3079         nested binding iff it is a FUNCTION_DECL.
3080         (store_parm_decls_newstyle): Pass nested=true to bind for
3081         FUNCTION_DECLs amongst parameters.
3082
3083 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3084
3085         * var-tracking.c (vt_expand_loc_callback): Don't run
3086         cselib_expand_value_rtx_cb in dummy mode if
3087         cselib_dummy_expand_value_rtx_cb returned false.
3088
3089         * var-tracking.c (emit_note_insn_var_location): For one part
3090         notes with offset 0, don't add EXPR_LIST around the location.
3091         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3092         add_location_or_const_value_attribute): Adjust for that change.
3093
3094         PR debug/43540
3095         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3096         into first operand and location into second.
3097         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3098         dw_cfi_oprnd_loc for DW_CFA_expression.
3099         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3100         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3101         assume first argument is regnum and second argument is location.
3102
3103 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3104
3105         PR target/42113
3106         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3107         of scratch register to DImode.  Split to DImode comparison operator.
3108         Use SImode subreg of scratch register in the multiplication.
3109         (*cmp_sadd_sidi): Ditto.
3110         (*cmp_ssub_si): Ditto.
3111         (*cmp_ssub_sidi): Ditto.
3112
3113 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         PR target/43524
3116         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3117         Remove invalid assert and wrong comment.
3118
3119 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3120
3121         PR debug/43516
3122         * flags.h (final_insns_dump_p): New extern.
3123         * final.c (final_insns_dump_p): New variable.
3124         (rest_of_clean_state): Set it before -fdump-final-insns=
3125         dumping, clear afterwards.
3126         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3127         MEM_ALIAS_SET on MEMs.
3128
3129 2010-03-26  David S. Miller  <davem@davemloft.net>
3130
3131         * configure.ac: Fix sparc GOTDATA_OP bug check.
3132         * configure: Rebuild.
3133
3134 2010-03-26  Alan Modra  <amodra@gmail.com>
3135
3136         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3137
3138 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3139
3140         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3141         TLS_SECTION_ASM_FLAG.
3142
3143 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR bootstrap/43511
3146         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3147         Clear first_function_block_is_cold.
3148
3149         PR c/43385
3150         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3151         argument if the argument is truth_value_p.
3152
3153 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3154
3155         * config/rs6000/constraints.md: Update copyright year for my changes.
3156
3157         PR target/43484
3158         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3159         used in reg+reg addressing, swap registers.
3160
3161 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3162
3163         PR debug/43293
3164         * target.h (struct gcc_target): Add code_end hook.
3165         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3166         if not yet defined.
3167         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3168         * toplev.c (compile_file): Call targetm.asm_out.code_end
3169         hook before unwind info/debug info output.
3170         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3171         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3172         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3173         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3174         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3175         * config/i386/i386.c (ix86_file_end): Renamed to...
3176         (ix86_code_end): ... this.  Make static.  Don't call
3177         file_end_indicate_exec_stack.  Emit unwind info using
3178         final_start_function/final_end_function.
3179         (darwin_x86_file_end): Remove.
3180         (TARGET_ASM_CODE_END): Define.
3181         * config/i386/i386.h (TARGET_ASM_FILE_END,
3182         NEED_INDICATE_EXEC_STACK): Don't define.
3183         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3184         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3185         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3186         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3187
3188         PR target/43498
3189         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3190         at the beginning and final_end_function at the end.
3191         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3192
3193 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3194
3195         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3196         and Sun as TLS syntax.
3197         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3198         * configure: Regenerate.
3199         * config.in: Regenerate.
3200         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3201         (default_elf_asm_named_section): Use it.
3202         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3203         (i386_output_dwarf_dtprel): Likewise.
3204         (output_addr_const_extra): Likewise.
3205         (output_pic_addr_const): Lowercase @GOTTPOFF.
3206         (output_addr_const_extra): Likewise.
3207         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3208         (output_addr_const_extra): Likewise.
3209         (output_pic_addr_const): Lowercase @INDNTPOFF.
3210         (output_addr_const_extra): Likewise.
3211         (output_pic_addr_const): Lowercase @NTPOFF.
3212         (output_addr_const_extra): Likewise.
3213         (output_pic_addr_const): Lowercase @TPOFF.
3214         (output_addr_const_extra): Likewise.
3215         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3216         (*tls_global_dynamic_64): Likewise.
3217         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3218         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3219
3220         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3221         (ASM_OUTPUT_TLS_COMMON): Use it.
3222         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3223
3224         PR target/38118
3225         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3226         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3227         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3228         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3229         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3230         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3231
3232 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3233
3234         * config/i386/i386.c (override_options): Don't accept
3235         -mtls-dialect=sun any longer.
3236         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3237         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3238         (*tls_local_dynamic_base_32_sun): Likewise.
3239         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3240
3241 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3242
3243         PR debug/43508
3244         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3245         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3246
3247         PR debug/43479
3248         * ira.c (adjust_cleared_regs): New function.
3249         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3250
3251         PR debug/19192
3252         PR debug/43479
3253         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3254         from gimple_block.
3255         * expr.c (expand_expr_real): Restore previous
3256         curr_insn_source_location and curr_insn_block after
3257         expand_expr_real_1 call.
3258         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3259         instead of expand_expr_real_1.
3260
3261 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3262
3263         PR rtl-optimization/43413
3264         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3265         hard regs too.
3266
3267 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3268
3269         PR target/43348
3270         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3271         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3272
3273 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3274
3275         * config/i386/i386.c (ix86_target_string): Add -mfma.
3276         Fix a typo in comment.
3277
3278 2010-03-22  Mike Stump  <mikestump@comcast.net>
3279
3280         PR target/23071
3281         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3282         Don't overly align based upon packed packed fields.
3283
3284 2010-03-22  Jason Merrill  <jason@redhat.com>
3285
3286         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3287         Use () rather than [], and move before the element type.
3288
3289 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3290
3291         * doc/configfiles.texi (Configuration Files): Removed
3292         fixinc/Makefile*, intl/Makefile.*.
3293         * doc/makefile.texi: Fixed markup. Abstract from version
3294         control system used.
3295         (Makefile): Removed obsolete gcc/java/parse.y example.
3296         * doc/sourcebuild.texi: Likewise.
3297         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3298         libgomp, libssp.  Removed fastjar.
3299         (Miscellaneous Docs): Clarify location.
3300         Added COPYING3, COPYING3.LIB.
3301         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3302
3303 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3304
3305         PR target/38085
3306         * config/i386/i386.c (x86_function_profiler)
3307         [!NO_PROFILE_COUNTERS]: Fix typo.
3308         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3309         instead of callq.
3310
3311 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3312             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3313
3314         * doc/sourcebuild.texi (Test Directives): Split into six
3315         subsections, with most of the current text in new subsections
3316         Directives, Selectors, and Final Actions.
3317         (Directives): Split list of test directives into multiple
3318         subsubsections.
3319         (Selectors): Describe use and syntax of selectors.
3320         (Effective-Target Keywords): Describe all existing keywords.
3321         (Add Options): Describe features for dg-add-options.
3322         (Require Support): Describe variants of dg-require-support.
3323         (Final Actions): Describe commands to use in dg-final.
3324
3325 2010-03-22  Michael Matz  <matz@suse.de>
3326
3327         PR middle-end/43475
3328         * recog.c (validate_replace_rtx_group): Replace also in
3329         REG_EQUAL and REG_EQUIV notes.
3330
3331 2010-03-22  Richard Guenther  <rguenther@suse.de>
3332
3333         PR tree-optimization/43390
3334         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3335         sure vector extracts are type correct.
3336
3337 2010-03-22  Richard Guenther  <rguenther@suse.de>
3338
3339         PR middle-end/40106
3340         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3341         x * sqrt (x) even when optimizing for size if the target
3342         has native support for sqrt.
3343
3344 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3345
3346         * varasm.c (make_decl_rtl_for_debug): Also clear
3347         flag_mudflap for the duration of make_decl_rtl call.
3348
3349         PR debug/43443
3350         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3351         locs from preserved VALUEs.
3352
3353 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3354
3355         PR middle-end/42718
3356         * pa.md (movmemsi): Set align to one if zero.
3357         (movmemdi): Likewise.
3358
3359 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3360
3361         PR target/42321
3362         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3363         with their corresponding prologue pushes.
3364
3365 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3366
3367         PR target/43156
3368         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3369         at the begining or end.
3370         (spu_expand_epilogue): Likewise.
3371
3372 2010-03-20  Richard Guenther  <rguenther@suse.de>
3373
3374         PR rtl-optimization/43438
3375         * combine.c (make_extraction): Properly zero-/sign-extend an
3376         extraction of the low part of a CONST_INT.  Also handle
3377         CONST_DOUBLE.
3378
3379 2010-03-19  Mike Stump  <mikestump@comcast.net>
3380
3381         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3382         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3383         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3384
3385 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3386
3387         PR c/43211
3388         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3389         an error.
3390
3391 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3392
3393         PR rtl-optimization/42258
3394         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3395         use that may match DEF.
3396
3397         PR target/40697
3398         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3399         the cost of loading the constant rather than assuming
3400         COSTS_N_INSNS (1).
3401         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3402         outer code is AND, do the same tests as the andsi3 expander and
3403         return COSTS_N_INSNS (1) if and is cheap.
3404
3405         * optabs.c (avoid_expensive_constant): Fix formatting.
3406
3407 2010-03-19  Michael Matz  <matz@suse.de>
3408
3409         PR c++/43116
3410         * attribs.c (decl_attributes): When rebuilding a function pointer
3411         type use the same qualifiers as the original pointer type.
3412
3413 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3414
3415         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3416         and is_gimple_ip_invariant_address.
3417
3418 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3419
3420         Revert
3421         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3422
3423         * config/arm/arm.c (arm_override_options): Turn off
3424         flag_dwarf2_cfi_asm for AAPCS variants.
3425
3426 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3427
3428         PR target/43399
3429         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3430         Use PRE_MODIFY instead of PRE_DEC.
3431         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3432         (vfp_emit_fstmd): Likewise.
3433
3434 2010-03-19  Michael Matz  <matz@suse.de>
3435
3436         PR target/43305
3437         * builtins.c (expand_builtin_interclass_mathfn,
3438         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3439         if that fails.
3440
3441 2010-03-19  Richard Guenther  <rguenther@suse.de>
3442
3443         PR tree-optimization/43415
3444         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3445         (phi_translate_1): ... this.
3446         (phi_translate): Move all caching here.  Cache all NARY
3447         and REFERENCE translations.
3448
3449 2010-03-19  David S. Miller  <davem@davemloft.net>
3450
3451         With help from Eric Botcazou.
3452         * config/sparc/sparc.c: Include dwarf2out.h.
3453         (emit_pic_helper): Delete.
3454         (pic_helper_symbol_name): Delete.
3455         (pic_helper_emitted_p): Delete.
3456         (pic_helper_needed): New.
3457         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3458         (get_pc_thunk_name): New.
3459         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3460         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3461         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3462         (sparc_expand_prologue): Update load_pic_register call.
3463         (sparc_output_mi_thunk): Likewise.
3464         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3465         thunk if possible.  Output CFI information as needed.
3466
3467 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3468             Jack Howarth <howarth@bromo.med.uc.edu>
3469
3470         PR target/36399
3471         * config/i386/i386.h: Fix ABI on darwin x86-32.
3472
3473 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3474
3475         * tree.h: Declare make_decl_rtl_for_debug.
3476         * varasm.c (make_decl_rtl_for_debug): New.
3477         * dwarf2out.c (rtl_for_decl_location): Call it.
3478         * cfgexpand.c (expand_debug_expr): Call it.
3479
3480 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3481
3482         PR bootstrap/43399
3483         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3484         mem_mode.
3485
3486         PR bootstrap/43403
3487         * var-tracking.c (vt_init_cfa_base): Do nothing if
3488         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3489
3490 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3491
3492         PR debug/42873
3493         * var-tracking.c (canonicalize_vars_star): New.
3494         (dataflow_post_merge_adjust): Use it.
3495
3496 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3497
3498         PR debug/43058
3499         * var-tracking.c (non_suitable_const): New function.
3500         (add_uses): For DEBUG_INSNs with constants, don't record any
3501         value, instead just the constant value itself.
3502         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3503         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3504         (emit_notes_in_bb): Likewise.
3505         (emit_note_insn_var_location): For onepart variables if
3506         cur_loc is a VOIDmode constant, use DECL_MODE.
3507
3508 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3509
3510         PR middle-end/42450
3511         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3512         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3513         all non-clones.  Moved call redirection...
3514         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3515         (cgraph_materialize_all_clones): Dispose of all
3516         combined_args_to_skip bitmaps.
3517         (verify_cgraph_node): Do not check for edges pointing to wrong
3518         nodes in inline clones.
3519         * tree-inline.c (copy_bb): Call
3520         cgraph_redirect_edge_call_stmt_to_callee.
3521         * ipa.c (cgraph_remove_unreachable_nodes): Call
3522         cgraph_node_remove_callees even when there are used clones.
3523
3524 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3525
3526         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3527
3528 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3529
3530         PR target/43383
3531         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3532         for 32bit.
3533
3534 2010-03-18  Michael Matz  <matz@suse.de>
3535
3536         PR middle-end/43419
3537         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3538         into sqrt(x) if we need to preserve signed zeros.
3539
3540 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3541             Eric Botcazou  <ebotcazou@adacore.com>
3542
3543         PR rtl-optimization/43360
3544         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3545         note if we don't know its invariant status.
3546
3547 2010-03-18  Michael Matz  <matz@suse.de>
3548
3549         PR tree-optimization/43402
3550         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3551         PHI chains of ssa names registered for update.
3552
3553 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3554
3555         PR target/42427
3556         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3557         non-offsettable and pre_modify update addressing.
3558         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3559         and "2" alternatives "#".
3560         (*movdd_softfloat32): Make all alternatives "#";
3561         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3562         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3563         (*movdf_softfloat32): Make all alternatives "#";
3564         (movdi): Use the new DIFD mode iterator to create a common splitter
3565         for movdi, movdf and movdd patterns.
3566
3567 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3568
3569         * common.opt (dumpdir): Remove redundant tab.
3570
3571 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3572
3573         PR tree-optimization/43347
3574         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3575         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3576
3577 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3578
3579         PR rtl-optimization/42216
3580         * regrename.c (create_new_chain): New function, broken out from...
3581         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3582         appending a use to an empty chain.
3583         (build_def_use): Remove previous changes that convert OP_INOUT to
3584         OP_OUT operands; instead detect the case where an OP_INOUT operand
3585         uses a previously untracked register and create an empty chain for it.
3586
3587 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3588
3589         * doc/extend.texi (Function Attributes): Rewrite unfinished
3590         sentence in ms_abi documentation.
3591
3592 2010-03-17  Alan Modra  <amodra@gmail.com>
3593
3594         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3595         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3596         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3597         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3598
3599 2010-03-16  Richard Henderson  <rth@redhat.com>
3600
3601         PR middle-end/43365
3602         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3603         (lower_try_finally): Save and restore eh_seq around the expansion
3604         of the try-finally.
3605
3606 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3607
3608         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3609         statements before splitting block.
3610
3611 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3612
3613         * doc/sourcebuild.texi (Testsuites): Fix markup.
3614         Use pathnames relative to gcc/testsuite.
3615         (Test Directives): Move description of how timeout is determined.
3616         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3617         (C Tests): Correct gcc.misc-tests directory.
3618         Framework tests now live in gcc.test-framework.
3619
3620 2010-03-16  Richard Guenther  <rguenther@suse.de>
3621
3622         PR middle-end/43379
3623         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3624         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3625
3626 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3627             Alexandre Oliva  <aoliva@redhat.com>
3628
3629         PR tree-optimization/42917
3630         * lambda-code.c (remove_iv): Skip debug statements.
3631         (lambda_loopnest_to_gcc_loopnest): Likewise.
3632         (not_interesting_stmt): Debug statements are not interesting.
3633
3634 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3635
3636         PR debug/43051
3637         PR debug/43092
3638         * cselib.c (cselib_preserve_constants,
3639         cfa_base_preserved_val): New static variables.
3640         (preserve_only_constants): New function.
3641         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3642         clear its REG_VALUES.  If cselib_preserve_constants, don't
3643         empty the whole hash table, but preserve there VALUEs with constants,
3644         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3645         (cselib_preserve_cfa_base_value): New function.
3646         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3647         (cselib_init): Change argument to int bitfield.  Set
3648         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3649         is in it.
3650         (cselib_finish): Clear cselib_preserve_constants and
3651         cfa_base_preserved_val.
3652         * cselib.h (enum cselib_record_what): New enum.
3653         (cselib_init): Change argument to int.
3654         (cselib_preserve_cfa_base_value): New prototype.
3655         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3656         * dse.c (dse_step1): Likewise.
3657         * cfgcleanup.c (thread_jump): Likewise.
3658         * sched-deps.c (sched_analyze): Likewise.
3659         * gcse.c (local_cprop_pass): Likewise.
3660         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3661         If FN is non-NULL, call the callback always and whenever it returns
3662         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3663         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3664         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3665         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3666         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3667         * var-tracking.c: Include recog.h.
3668         (bb_stack_adjust_offset): Remove.
3669         (vt_stack_adjustments): Don't call it, instead just gather the
3670         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3671         (adjust_stack_reference): Remove.
3672         (compute_cfa_pointer): New function.
3673         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3674         (struct adjust_mem_data): New type.
3675         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3676         functions.
3677         (get_address_mode): New function.
3678         (replace_expr_with_values): Use it.
3679         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3680         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3681         (adjust_sets): Remove.
3682         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3683         Use get_address_mode.
3684         (get_adjusted_src): Remove.
3685         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3686         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3687         (add_with_sets): Don't call adjust_sets.
3688         (fp_setter, vt_init_cfa_base): New functions.
3689         (vt_initialize): Change return type to bool.  Move most of pool etc.
3690         initialization to the beginning of the function from end.  Pass
3691         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3692         If !frame_pointer_needed, call vt_stack_adjustment before mos
3693         vector is filled, call vt_init_cfa_base if argp/framep has been
3694         eliminated to sp.  If frame_pointer_needed and argp/framep has
3695         been eliminated to hard frame pointer, set
3696         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3697         encountering fp setter in the prologue.  For MO_ADJUST, call
3698         log_op_type before pusing the op into mos vector, not afterwards.
3699         Call adjust_insn before cselib_process_insn/add_with_sets,
3700         call cancel_changes (0) afterwards.
3701         (variable_tracking_main_1): Adjust for vt_initialize calling
3702         vt_stack_adjustments and returning whether it succeeded or not.
3703
3704 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3705
3706         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3707         debug statements.
3708
3709 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3710
3711         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3712         has been set.
3713         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3714         drap_reg has not been set.
3715
3716 2010-03-15  Michael Matz  <matz@suse.de>
3717
3718         PR middle-end/43300
3719         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3720         use it to expand block copies.
3721         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3722         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3723         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3724
3725 2010-03-15  Richard Guenther  <rguenther@suse.de>
3726
3727         PR tree-optimization/43367
3728         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3729         elimination check.
3730
3731 2010-03-15  Richard Guenther  <rguenther@suse.de>
3732
3733         PR tree-optimization/43317
3734         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3735
3736 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3737
3738         PR tree-optimization/43141
3739         * tree-sra.c (create_abstract_origin): New function.
3740         (modify_function): Call create_abstract_origin.
3741
3742 2010-03-15  Chris Demetriou  <cgd@google.com>
3743
3744         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3745         wasn't copied.
3746
3747 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3748
3749         PR middle-end/43354
3750         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3751         call insert_out_of_ssa_copy for default definitions.
3752
3753 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3754
3755         * graphite-clast-to-gimple.c (my_long_long): Defined.
3756         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3757         * graphite-sese-to-poly.c (my_long_long): Defined.
3758         (scop_ivs_can_be_represented): Use it.
3759
3760 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3761
3762         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3763         graphite-max-bbs-per-function, and loop-block-tile-size.
3764         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3765         with "maximum".
3766         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3767
3768 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3769
3770         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3771         forward declaration.
3772         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3773         (add_upper_bounds_from_estimated_nit): New.
3774         (build_loop_iteration_domains): Use it.
3775
3776 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3779
3780 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3781
3782         PR middle-end/43306
3783         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3784         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3785
3786 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3787
3788         * graphite.c (graphite_initialize): To bound the number of bbs per
3789         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3790         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3791         * doc/invoke.texi: Document it.
3792
3793 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3796         * graphite-sese-to-poly.h (build_poly_scop): Same.
3797
3798 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3799
3800         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3801         the number of parameters in the scop.  Use as an upper bound
3802         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3803         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3804         * doc/invoke.texi: Document it.
3805
3806 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3807
3808         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3809         * doc/c-tree.texi: Remove.
3810         * doc/generic.texi: Merge c-tree.texi here.
3811         * doc/gccint.texi (Trees): Remove menu entry.
3812         (c-tree.texi): Remove @include.
3813         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3814         * doc/languages.texi (Reading RTL): Ditto.
3815
3816 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3817
3818         PR target/42869
3819         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3820
3821 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3822
3823         PR middle-end/42431
3824         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3825         code added to work around reload clobbering CONST insns.
3826
3827 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3828
3829         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3830         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3831         (cselib_preserve_only_values): Remove retain argument, don't
3832         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3833         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3834         * var-tracking.c (micro_operation): Move insn field before union.
3835         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3836         (struct variable_tracking_info_def): Remove n_mos field, change
3837         mos into a vector of micro_operations.
3838         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3839         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3840         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3841         changing into a vector.
3842         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3843         come before all other uops generated by add_stores.
3844         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3845         argument removal.
3846         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3847         a vector.  Run just one pass over the bbs instead of separate counting
3848         and computation phase.
3849         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3850
3851         PR debug/43329
3852         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3853         into *nonlocalized_list vector.
3854         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3855         even if origin is non-NULL.
3856         (gen_variable_die): Likewise.
3857         (process_scope_var): Don't change origin.
3858         (gen_decl_die): Likewise.
3859         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3860         before adding new edges instead of after it, fix moving over
3861         debug stmts.
3862
3863 2010-03-11  David S. Miller  <davem@davemloft.net>
3864
3865         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3866         of four.
3867         * configure: Rebuild.
3868
3869 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3870
3871         PR tree-optimization/43257
3872         * tree.c (assign_assembler_name_if_neeeded): New function.
3873         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3874         above new function.
3875         * tree.h (assign_assembler_name_if_neeeded): Declare.
3876         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3877         the function if needed.
3878
3879 2010-03-11  Chris Demetriou  <cgd@google.com>
3880
3881         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3882         include/stdint-gcc.h, and include/stdint.h world-readable.
3883
3884 2010-03-11  Richard Guenther  <rguenther@suse.de>
3885
3886         PR tree-optimization/43255
3887         * tree-vrp.c (process_assert_insertions_for): Do not insert
3888         asserts for trivial conditions.
3889
3890 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3891
3892         PR tree-optimization/43280
3893         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3894         generation.  Move calculation of size out of the if branch.
3895         (find_bswap): Modify compare number generation.
3896
3897 2010-03-11  Richard Guenther  <rguenther@suse.de>
3898
3899         PR lto/43200
3900         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3901         (input_gimple_stmt): Fixup handled component types during
3902         operand read.  Also fix up decls in ADDR_EXPRs.
3903
3904 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3905
3906         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3907         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3908
3909 2010-03-10  Jan Hubicka  <jh@suse.cz>
3910
3911         PR c/43288
3912         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3913         * varasm.c (get_variable_section): Don't do that here...
3914         (make_decl_rtl): ... and here.
3915         (do_assemble_alias): Produce decl RTL.
3916         (assemble_alias): Likewise.
3917
3918 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3919
3920         PR debug/43290
3921         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3922         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3923         of fde->vdrap_reg.
3924         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3925         (based_loc_descr): Only express drap or vdrap regno based expressions
3926         using DW_OP_fbreg when not optimizing.
3927         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3928         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3929         REG_CFA_SET_VDRAP note.
3930
3931 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3932
3933         PR tree-optimization/43236
3934         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3935         error in calculation of base address in reverse iteration case.
3936         (generate_builtin): Take number of latch executions if the statement
3937         is in the latch.
3938
3939 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3940
3941         PR middle-end/42859
3942         * tree-eh.c: Include pointer-set.h.
3943         (lower_eh_dispatch): Filter out duplicate case labels and
3944         remove the unneeded edge when the label is unused.  Return
3945         true when some edges are removed.
3946         (execute_lower_eh_dispatch): When any lowering resulted in
3947         removing an edge, also delete unreachable blocks.
3948
3949 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3950
3951         PR bootstrap/43287
3952         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3953         UNSPEC_MACHOPIC_OFFSET.
3954
3955 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3956
3957         PR target/43294
3958         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3959         (m68k_delegitimize_address): New function.
3960
3961 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3962
3963         PR debug/43299
3964         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3965
3966         PR debug/43299
3967         * var-tracking.c (adjust_sets): New function.
3968         (count_with_sets, add_with_sets): Use it.
3969         (get_adjusted_src): New inline function.
3970         (add_stores): Use it.
3971
3972         PR debug/43304
3973         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3974         call cselib_dummy_expand_value_rtx_cb instead of
3975         cselib_expand_value_rtx_cb.
3976
3977         PR debug/43293
3978         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3979         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3980         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3981         and .cfi_endproc around the pic thunks.
3982         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3983         all queued unwind info register saves are saved before the call.
3984         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3985         considered as sp-=4 for unwind info and the pop as sp+=4 which
3986         also clobbers dest, but doesn't actually restore it.
3987
3988         PR debug/43290
3989         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3990         RTX_FRAME_RELATED_P.
3991
3992 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3993
3994         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3995         whitespaces in output template.
3996
3997 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3998
3999         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4000         out array boundary.
4001
4002 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
4003
4004         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4005         builtins.exp in a separate job.
4006
4007 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4008
4009         * graphite-sese-to-poly.c (add_param_constraints): Use
4010         lower_bound_in_type and upper_bound_in_type.
4011
4012 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4013
4014         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4015         instead of unsigned_type_node.
4016
4017 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4018             Reza Yazdani  <reza.yazdani@amd.com>
4019
4020         PR middle-end/43065
4021         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4022         on pointer type parameters.
4023
4024 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4025
4026         PR middle-end/42644
4027         PR middle-end/42130
4028         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4029         handle conversions from pointer to integers.
4030         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4031         induction variable, to be able to work with code generated by CLooG.
4032         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4033         (build_poly_scop): Bail out if we cannot codegen a loop.
4034
4035 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4036
4037         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4038         code generation with gloog_error.
4039
4040 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>