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1 2010-04-27  Martin Jambor  <mjambor@suse.cz>
2
3         PR middle-end/43812
4         * ipa.c (dissolve_same_comdat_group_list): New function.
5         (function_and_variable_visibility): Call
6         dissolve_same_comdat_group_list when comdat group contains external or
7         newly local nodes.
8         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
9         lists are circular and that they contain only DECL_ONE_ONLY nodes.
10
11 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
12
13         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
14         (const_hash_1) <VECTOR_CST>: New case.
15         (compare_constant) <VECTOR_CST>: Likewise.
16         <ADDR_EXPR>: Deal with LABEL_REFs.
17         (copy_constant) <VECTOR_CST>: New case.
18
19 2010-04-27  Jan Hubicka  <jh@suse.cz>
20
21         * cgraph.c (cgraph_propagate_frequency): New function.
22         * cgraph.h (cgraph_propagate_frequency): Declare.
23         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
24         cgraph_propagate_frequency.
25
26 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
27
28         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
29
30 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
31
32         PR target/40657
33         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
34         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
35         here to determine which regs to push and how much stack to reserve.
36
37 2010-04-27  Jie Zhang  <jie@codesourcery.com>
38
39         * doc/gimple.texi (gimple_statement_with_ops): Remove
40         addresses_taken field.
41         (gimple_statement_with_memory_ops): Likewise.
42
43 2010-04-27  Jan Hubicka  <jh@suse.cz>
44
45         * tree-inline.c (eni_inlining_weights): Remove.
46         (estimate_num_insns): Special case more builtins.
47
48 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
49         
50         PR c/32207
51         * c-typeck.c (build_binary_op): Move forward check for comparison
52         pointer with null pointer constant and adjust the diagnostic message.
53
54 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
55
56         PR lto/42776
57         * configure.ac (gcc_cv_as_section_has_align): Set if installed
58         binutils supports extended .section directive needed by LTO, or
59         warn if older binutils found.
60         (LTO_BINARY_READER): New AC_SUBST'd variable.
61         (LTO_USE_LIBELF): Likewise.
62         * gcc/config.gcc (lto_binary_reader): New target-specific configure
63         variable.
64         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
65         (LTO_USE_LIBELF): Likewise.
66         * configure: Regenerate.
67
68         * collect2.c (is_elf): Rename from this ...
69         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
70          object files in addition to ELF-formatted ones.
71         (scan_prog_file): Caller updated.  Also allow for LTO info marker
72         symbol to be prefixed or not by an extra underscore.
73
74         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
75         * config/i386/winnt.c: Also #include lto-streamer.h
76         (i386_pe_asm_named_section): Specify 1-byte section alignment for
77         LTO named sections.
78         (i386_pe_asm_output_aligned_decl_common): Add comment.
79         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
80
81 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
82
83         PR target/43889
84         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
85         Add missing earlyclobber for second alternative.
86
87 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
88
89         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
90         bits for artificial defs at the top of the block.
91         * fwprop.c (single_def_use_enter_block): Don't call it.
92
93 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
94
95         PR 43715
96         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
97         instead of "$gcc_cv_objdump -T".
98         Use "-undefined dynamic_lookup" on darwin.
99         * gcc/configure: Regenerate.
100
101 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
102
103         PR c/43893
104         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
105
106 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
107
108         * c-parser.c (struct c_token): Move location field up.
109         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
110         (struct c_declspecs): Convert typespec_word, storage_class, and
111         default_int_p into bitfields.
112         (struct c_declarator): Move loc field up.
113
114 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
115
116         * cfgloop.h (struct loop): Move can_be_parallel field up.
117         * ipa-prop.h (struct ip_node_params): Move bitfields up.
118         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
119         down.
120         (struct iv_cand): Convert pos field into a bitfield.
121         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
122         field up.
123         (struct _stmt_vec_info): Shuffle fields for better packing.
124
125 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
126
127         * varasm.c (IN_NAMED_SECTION): Remove guard.
128         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
129         (IN_NAMED_SECTION_P): ...this.
130         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
131         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
132
133 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
134
135         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
136         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
137         of shadowing it.  Fix comments.
138
139 2010-04-26  Jan Hubicka  <jh@suse.cz>
140
141         * cgraph.c (cgraph_create_node): Set node frequency to normal.
142         (cgraph_clone_node): Copy function frequency.
143         * cgraph.h (node_frequency): New enum
144         (struct cgraph_node): Add.
145         * final.c (rest_of_clean_state): Update.
146         * lto-cgraph.c (lto_output_node): Output node frequency.
147         (input_overwrite_node): Input node frequency.
148         * tre-ssa-loop-ivopts (computation_cost): Update.
149         * lto-streamer-out.c (output_function): Do not output function
150         frequency.
151         * predict.c (maybe_hot_frequency_p): Update and handle functions
152         executed once.
153         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
154         attribute lookup.
155         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
156         (compute_function_frequency): Set noreturn functions to be executed
157         once.
158         (choose_function_section): Update.
159         * lto-streamer-in.c (input_function): Do not input function frequency.
160         * function.c (allocate_struct_function): Do not initialize function
161         frequency.
162         * function.h (function_frequency): Remove.
163         (struct function): Remove function frequency.
164         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
165         (try_update): Update.
166         * tree-inline.c (initialize_cfun): Do not update function frequency.
167         * passes.c (pass_init_dump_file): Update.
168         * i386.c (ix86_compute_frame_layout): Update.
169         (ix86_pad_returns): Update.
170
171 2010-04-26  Jie Zhang  <jie@codesourcery.com>
172
173         PR tree-optimization/43833
174         * tree-vrp.c (range_int_cst_p): New.
175         (range_int_cst_singleton_p): New.
176         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
177         when both operands are constants.  Use range_int_cst_p in
178         BIT_IOR_EXPR case.
179
180 2010-04-26  Jan Hubicka  <jh@suse.cz>
181
182         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
183
184 2010-04-26  Richard Guenther  <rguenther@suse.de>
185
186         PR lto/43080
187         * gimple.c (gimple_decl_printable_name): Deal gracefully
188         with a NULL DECL_NAME.
189
190 2010-04-26  Richard Guenther  <rguenther@suse.de>
191
192         PR lto/42425
193         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
194         if emitting debug information and it is either a function
195         or a namespace decl.
196
197 2010-04-26  Ira Rosen  <irar@il.ibm.com>
198
199         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
200         determine if the statement is vectorizable, and a macro to 
201         access it.
202         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
203         Skip statements that can't be vectorized. If the analysis 
204         fails, mark the statement as unvectorizable if vectorizing 
205         basic block.
206         (vect_compute_data_refs_alignment): Likewise.
207         (vect_verify_datarefs_alignment): Skip statements marked as 
208         unvectorizable. Add print.
209         (vect_analyze_group_access): Skip statements that can't be 
210         vectorized. If the analysis fails, mark the statement as 
211         unvectorizable if vectorizing basic block.
212         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
213         Likewise.
214         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
215         generated stmts for SLP.
216         (new_stmt_vec_info): Initialize the new field.
217         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
218         statements marked as unvectorizable.
219
220 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
221
222         * c-common.c (flag_isoc1x): New.
223         (flag_isoc99): Update comment.
224         * c-common.h (flag_isoc1x): New.
225         (flag_isoc99): Update comment.
226         * c-cppbuiltin.c (builtin_define_float_constants): Also define
227         __<type>_DECIMAL_DIG__.
228         * c-opts.c (set_std_c1x): New.
229         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
230         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
231         * c.opt (-std=c1x, -std=gnu1x): New options.
232         * doc/cpp.texi: Mention -std=c1x.
233         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
234         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
235         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
236         * doc/standards.texi: Mention C1X.
237         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
238         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
239         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
240         Define for C1X.
241
242 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
243
244         * config/i386/gmon-sol2.c (_mcleanup): Change format string
245         placeholder from 0x%x to %#x.
246         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
247         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
248         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
249         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
250         * config/i386/i386.c (ix86_target_string): Ditto.
251         (output_pic_addr_const): Ditto.
252         (print_operand): Ditto.
253
254 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
255
256         * combine.c (find_split_point): Add third argument.  Use it
257         to find nested multiply-accumulate instructions.  Adjust calls.
258         (try_combine): Adjust call to find_split_point.
259
260 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
261
262         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
263
264 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
265
266         PR tree-optimization/41442
267         * fold-const.c (merge_truthop_with_opposite_arm): New function.
268         (fold_binary_loc): Call it.
269
270 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
271
272         * toplev.c (general_init): Set default for fdiagnostics-show-option.
273         * opts.c (common_handle_option): Allow disabling it.
274         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
275
276 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
277
278         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
279         between modes if both types are integral.
280
281 2010-04-23  Richard Guenther  <rguenther@suse.de>
282
283         PR tree-optimization/43572
284         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
285
286 2010-04-23  Richard Guenther  <rguenther@suse.de>
287
288         PR lto/43455
289         * tree-inline.c (tree_can_inline_p): Also check compatibility
290         of return types.
291
292 2010-04-23  Martin Jambor  <mjambor@suse.cz>
293
294         PR tree-optimization/43846
295         * tree-sra.c (struct access): New flag grp_assignment_read.
296         (build_accesses_from_assign): Set grp_assignment_read.
297         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
298         (enum mark_read_status): New type.
299         (analyze_access_subtree): Propagate grp_assignment_read, create
300         accesses also if both direct_read and root->grp_assignment_read.
301
302 2010-04-23  Martin Jambor  <mjambor@suse.cz>
303
304         PR middle-end/43835
305         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
306         function does not have type attributes.
307
308 2010-04-23  Richard Guenther  <rguenther@suse.de>
309
310         PR lto/42653
311         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
312         of FUNCTION_DECLs.
313
314 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
315
316         * sese.h (create_if_region_on_edge): Remove.
317
318         * sese.c (create_if_region_on_edge): Make static.
319
320         * tree-inline.c: Do not include ggc.h.
321
322         * expr.c: Do not include ggc.h.
323
324         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
325         dependencies.
326
327 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
328
329         PR target/43744
330         * config/sh/sh.c (find_barrier): Don't emit a constant pool
331         in the middle of insns for casesi_worker_2.
332
333 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
334
335         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
336
337 2010-04-22  Ira Rosen  <irar@il.ibm.com>
338
339         PR tree-optimization/43842
340         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
341         loop unrolling in update of exit phis. Fix comment.
342         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
343         least two reduction statements in the loop before starting SLP
344         analysis.
345
346 2010-04-22  Nick Clifton  <nickc@redhat.com>
347
348         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
349
350 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
351
352         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
353         to simplify a + ~a.
354
355 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
356
357         * tree-parloops.c (loop_parallel_p): New argument
358         parloop_obstack.  Pass it down.
359         (parallelize_loops): New variable parloop_obstack.  Initialize it,
360         pass it down, free it.
361
362         * tree-loop-linear.c (linear_transform_loops): Pass down
363         lambda_obstack.
364
365         * tree-data-ref.h (lambda_compute_access_matrices): New argument
366         of type struct obstack *.
367
368         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
369         scratch_obstack.  Initialize it, pass down, free it.
370
371         * lambda.h (lambda_loop_new): Remove.
372         (lambda_matrix_new, lambda_matrix_inverse)
373         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
374         argument of type struct obstack *.
375
376         * lambda-trans.c (lambda_trans_matrix_new): New argument
377         lambda_obstack.  Pass it down, use obstack allocation for ret.
378         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
379         it down.
380
381         * lambda-mat.c (lambda_matrix_get_column)
382         (lambda_matrix_project_to_null): Remove.
383         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
384         allocation for mat.
385         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
386         lambda_obstack.
387
388         * lambda-code.c (lambda_loop_new): New function.
389         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
390         (lambda_compute_auxillary_space, lambda_compute_target_space)
391         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
392         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
393         (build_access_matrix): New argument lambda_obstack.  Use obstack
394         allocation for am.
395         (lambda_compute_step_signs, lambda_compute_access_matrices): New
396         argument lambda_obstack.  Pass it down.
397
398 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
399
400         * optabs.h (expand_widening_mult): Declare.
401
402 2010-04-22  Richard Guenther  <rguenther@suse.de>
403
404         PR tree-optimization/43845
405         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
406         lookup the CALL_EXPR function and arguments.
407
408 2010-04-22  Nick Clifton  <nickc@redhat.com>
409
410         * config/stormy16/stormy16.c
411         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
412         * config/stormy16/stormy16.h: Tidy up formatting.
413         (DONT_USE_BUILTIN_SETJMP): Remove definition.
414         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
415         (ineqbranchsi): Delete pattern.
416         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
417         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
418         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
419         stormy16-lib2-ucmpsi2.c.
420
421 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
422
423         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
424         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
425         extra set merge_set_noclobber, and use it to relax the final test
426         slightly.
427         * df.h (df_simulate_find_noclobber_defs): Declare.
428         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
429         conditional defs.
430         (df_simulate_find_noclobber_defs): New function.
431
432 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
433
434         * config/i386/i386.md: Use {} around multi-line preparation statements.
435
436 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
437
438         * c-tree.h (push_init_level, pop_init_level, set_init_index)
439         (process_init_element): New argument of type struct obstack *.
440
441         * c-typeck.c (push_init_level, pop_init_level, set_designator)
442         (set_init_index, set_init_label, set_nonincremental_init)
443         (set_nonincremental_init_from_string, find_init_member)
444         (output_init_element, output_pending_init_elements)
445         (process_init_element): New argument braced_init_obstack.  Pass it
446         down.
447         (push_range_stack, add_pending_init): New argument
448         braced_init_obstack.  Use obstack allocation.
449
450         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
451         braced_init_obstack.  Pass it down.
452         (c_parser_braced_init): New variables ret, braced_init_obstack.
453         Initialize obstack, pass it down and finally free it.
454
455 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
456
457         PR middle-end/29274
458         * tree-pass.h (pass_optimize_widening_mul): Declare.
459         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
460         gate_optimize_widening_mul): New static functions.
461         (pass_optimize_widening_mul): New.
462         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
463         <case MULT_EXPR>: Remove support for widening multiplies.
464         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
465         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
466         simplify_gen_unary rather than directly building extensions.
467         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
468         WIDEN_MULT_EXPR.
469         * expmed.c (expand_widening_mult): New function.
470         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
471
472 2010-04-21  Jan Hubicka  <jh@suse.cz>
473
474         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
475         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
476         * lto-wpa-fixup.c: Remove.
477         * Makefile.in (lto-wpa-fixup.o): Remove.
478         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
479         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
480         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
481
482 2010-04-21  Jan Hubicka  <jh@suse.cz>
483
484         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
485         add write_optimization_summary, read_optimization_summary.
486         (ipa_write_summaries_of_cgraph_node_set): Remove.
487         (ipa_write_optimization_summaries): Declare.
488         (ipa_read_optimization_summaries): Declare.
489         * ipa-cp.c (pass_ipa_cp): Update.
490         * ipa-reference.c (pass_ipa_reference): Update.
491         * ipa-pure-const.c (pass_ipa_pure_const): Update.
492         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
493         Update.
494         * ipa-inline.c (pass_ipa_inline): Update.
495         * ipa.c (pass_ipa_whole_program): Update.
496         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
497         * passes.c (ipa_write_summaries_1): Do not test wpa.
498         (ipa_write_optimization_summaries_1): New.
499         (ipa_write_optimization_summaries): New.
500         (ipa_read_summaries): Do not test ltrans.
501         (ipa_read_optimization_summaries_1): New.
502         (ipa_read_optimization_summaries): New.
503
504 2010-04-21  Jan Hubicka  <jh@suse.cz>
505
506         * lto-cgraph.c (lto_output_node): Do not output comdat groups
507         for boundary nodes.
508         (output_cgraph): Do not arrange comdat groups for boundary nodes.
509
510 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
511
512         PR debug/40040
513         * dwarf2out.c (add_name_and_src_coords_attributes): Add
514         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
515
516 2010-04-21  Jan Hubicka  <jh@suse.cz>
517
518         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
519
520 2010-04-21  Jan Hubicka  <jh@suse.cz>
521
522         * varpool.c (decide_is_variable_needed): Variable is always needed
523         during ltrans.
524
525 2010-04-21  Jan Hubicka  <jh@suse.cz>
526
527         * opts.c (decode_options): Enable pure-const pass for whopr.
528
529 2010-04-21  Jan Hubicka  <jh@suse.cz>
530
531         * cgraph.c (dump_cgraph_node): Dump also assembler name.
532         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
533         at WPA dumping.
534         (cgraph_decide_inlining): Do not expect callee to be removed in all
535         cases.
536
537 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
538
539         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
540
541 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
542
543         * config/i386/i386.md (x86_shrd): Add athlon_decode and
544         amdfam10_decode attributes.
545
546 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
547
548         PR middle-end/43570
549         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
550         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
551         (lower_copyprivate_clauses): Use private var in outer
552         context instead of original var.  Make sure the types
553         are correct for VLAs.
554
555 2010-04-21  Richard Guenther  <rguenther@suse.de>
556
557         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
558         to non-pointer objects.
559
560 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
561
562         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
563         last chain entry if it starts with the still current label.
564         (add_location_or_const_value_attribute): Check that
565         loc_list->first->next is NULL instead of comparing ->first with ->last.
566         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
567         to add_var_loc_to_decl.
568
569         * dwarf2out.c (output_call_frame_info): For dw_cie_version
570         >= 4 add also address size and segment size fields into CIE header.
571
572         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
573         long as address size is the same as sizeof (void *) and
574         segment size is 0.
575         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
576         address size or segment size is unexpected, return DW_EH_PE_omit.
577         (classify_object_over_fdes): If get_cie_encoding returned
578         DW_EH_PE_omit, return -1.
579         (init_object): If classify_object_over_fdes returned -1,
580         pretend there were no FDEs at all.
581
582 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
583
584         * config/i386/i386.md (bswap<mode>2): Macroize expander from
585         bswap{si,di}2 using SWI48 mode iterator.
586         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
587         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
588         set modrm attribute of bswap insn to 0 and remove length attribute.
589         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
590         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
591         set mode attribute to <MODE> and remove length attribute.
592
593 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
594
595         PR rtl-optimization/43520
596         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
597         zero available registers.
598
599 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
600
601         * builtins.c (fold_builtin_cproj): Fold more cases.
602
603 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
604
605         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
606         (fold_builtin_1): Fold builtin cproj.
607         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
608         Use ATTR_CONST_NOTHROW_LIST.
609
610 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
611
612         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
613         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
614         ffsi2_no_cmove for !TARGET_CMOVE.
615         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
616         (ffssi2): Remove expander.
617         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
618         mode iterator.
619         (ctz<mode>2): Ditto from ctz{si,di}2.
620         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
621         mode iterator.
622         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
623         mode iterator.
624
625 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
626
627         * dwarf2out.c (AT_linkage_name): Define.
628         (clone_as_declaration): Handle DW_AT_linkage_name.
629         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
630         of DW_AT_MIPS_linkage_name.
631         (move_linkage_attr): Likewise.
632         (dwarf2out_finish): Likewise.
633
634 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
635
636         PR middle-end/41952
637         * fold-const.c (fold_comparison): New folding rule.
638
639 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
640
641         * double-int.h (double_int_setbit): Declare.
642         * double-int.c (double_int_setbit): New function.
643         * rtl.h (immed_double_int_const): Declare.
644         * emit-rtl.c (immed_double_int_const): New function.
645         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
646         and immed_double_int_const functions.
647         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
648         expand_copysign_bit):  (Ditto.).
649         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
650         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
651         * dojump.c (prefer_and_bit_test): (Ditto.).
652         * expr.c (convert_modes, reduce_to_bit_field_precision,
653         const_vector_from_tree): (Ditto.).
654         * expmed.c (mask_rtx, lshift_value): (Ditto.).
655
656 2010-04-20  Jan Hubicka  <jh@suse.cz>
657
658         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
659         (dump_cgraph_node): Dump new flags.
660         * cgraph.h (struct cgraph_node): Add flags
661         reachable_from_other_partition and in_other_partition.
662         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
663         other partition can not be removed.
664         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
665         the other partition must be output; silence sanity checking on
666         leaking functions bodies from other paritition.
667         * lto-cgraph.c (reachable_from_other_partition_p): New function.
668         (lto_output_node): Output new flags; do not sanity check that inline
669         clones are output; drop lto_forced_extern_inline_p code; do not mock
670         visibility flags at partition boundaries.
671         (add_node_to): New function.
672         (output_cgraph): Use it to sort functions so masters appear before
673         clones.
674         (input_overwrite_node): Input new flags.
675         * passes.c (ipa_write_summaries): Do not call
676         lto_new_extern_inline_states.
677         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
678         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
679         lto_forced_extern_inline_p): Kill.
680         * lto-streamer.h (lto_new_extern_inline_states,
681         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
682         lto_forced_extern_inline_p): Kill.
683
684 2010-04-20  Richard Guenther  <rguenther@suse.de>
685
686         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
687         from vars that can have pointers.
688         (process_constraint): Dump useless constraints.
689
690 2010-04-20  Richard Guenther  <rguenther@suse.de>
691
692         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
693         (dump_sa_points_to_info): Remove asserts.
694         (init_base_vars): nothing_id isn't an escape point nor does it
695         have pointers.
696
697 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
698
699         * tree.h (TYPE_REF_IS_RVALUE): Define.
700         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
701         should_move_die_to_comdat, prune_unused_types_walk): Handle
702         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
703         (modified_type_die, gen_reference_type_die): Emit
704         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
705         if TYPE_REF_IS_RVALUE and -gdwarf-4.
706
707 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
708
709         PR target/43635
710         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
711         calls for -fpic -m31 if they have been sibcall optimized.
712
713 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
714
715         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
716         ar.lc fixed and call-used.
717
718         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
719
720 2010-04-19  Jan Hubicka  <jh@suse.cz>
721
722         * opts.c (decode_options): Disable whpr incompatible passes.
723         * lto/lto.c (lto_1_to_1_map): Skip clones.
724         (read_cgraph_and_symbols): Do not mark everything as needed.
725         (do_whole_program_analysis): Do map only after optimizing;
726         set proper cgraph_state; use passmanager.
727
728 2010-04-19  DJ Delorie  <dj@redhat.com>
729
730         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
731         POINTER_PLUS_EXPR and fix them.
732
733 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
734
735         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
736         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
737         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
738         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
739         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
740         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
741         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
742         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
743         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
744         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
745         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
746
747 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
748
749         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
750         (check_cond_move_block): Likewise.
751         (cond_move_process_if_block): Likewise.
752         (noce_find_if_block): Improve formatting.
753         (find_if_header): Pass 0 to memset and tweak conditions.
754         (cond_exec_find_if_block): Fix long lines and tweak conditions.
755
756 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
757
758         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
759         for -gdwarf-4.
760
761         PR middle-end/43337
762         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
763         with non-local decl doesn't need chain.
764
765 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
766
767         * ira-color.c (allocno_reload_assign): Avoid accumulating
768         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
769
770 2010-04-19  Martin Jambor  <mjambor@suse.cz>
771
772         * gimple.h (create_tmp_reg): Declare.
773         * gimplify.c (create_tmp_reg): New function.
774         (gimplify_return_expr): Use create_tmp_reg.
775         (gimplify_omp_atomic): Likewise.
776         (gimple_regimplify_operands): Likewise.
777         * tree-dfa.c (make_rename_temp): Likewise.
778         * tree-predcom.c (predcom_tmp_var): Likewise.
779         (reassociate_to_the_same_stmt): Likewise.
780         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
781         (get_replaced_param_substitute): Likewise.
782         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
783         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
784         * tree-ssa-pre.c (get_representative_for): Likewise.
785         (create_expression_by_pieces): Likewise.
786         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
787         (create_tailcall_accumulator): Likewise.
788
789 2010-04-19  Martin Jambor  <mjambor@suse.cz>
790
791         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
792         new_stmt.
793         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
794
795 2010-04-19  Richard Guenther  <rguenther@suse.de>
796
797         PR tree-optimization/43796
798         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
799         from SCEV in the lattice.
800         (vrp_visit_phi_node): Dump change.
801
802 2010-04-19  Richard Guenther  <rguenther@suse.de>
803
804         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
805         * configure: Re-generated.
806
807 2010-04-19  Richard Guenther  <rguenther@suse.de>
808
809         PR tree-optimization/43783
810         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
811         constant ARRAY_REF operands two and three if possible.
812
813 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
814
815         PR target/43766
816         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
817
818 2010-04-19  Jie Zhang  <jie@codesourcery.com>
819
820         PR target/43662
821         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
822
823 2010-04-19  Ira Rosen  <irar@il.ibm.com>
824
825         PR tree-optimization/37027
826         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
827         and macro to access it.
828         (vectorizable_reduction): Add argument.
829         (vect_get_slp_defs): Likewise.
830         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
831         statements for possible use in SLP.
832         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
833         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
834         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
835         add new argument.
836         (vectorizable_reduction): Likewise.
837         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
838         vect_get_slp_defs.
839         (vectorizable_type_demotion, vectorizable_type_promotion,
840         vectorizable_store): Likewise.
841         (vect_analyze_stmt): Update call to vectorizable_reduction.
842         (vect_transform_stmt): Likewise.
843         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
844         (vect_build_slp_tree): Fix indentation. Check that there are no loads
845         from different interleaving chains in same node.
846         (vect_slp_rearrange_stmts): New function.
847         (vect_supported_load_permutation_p): Allow load permutations for
848         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
849         inside SLP nodes if necessary.
850         (vect_analyze_slp_instance): Handle reductions.
851         (vect_analyze_slp): Try to build SLP instances originating from groups
852         of reductions.
853         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
854         (vect_get_constant_vectors): Create initial vectors for reductions
855         according to reduction code. Add new argument.
856         (vect_get_slp_defs): Add new argument, pass it to
857         vect_get_constant_vectors.
858         (vect_schedule_slp_instance): Remove SLP tree root statements.
859
860 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
861
862         * tree.h (ENUM_IS_SCOPED): Define.
863         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
864         for ENUM_IS_SCOPED enums.
865
866 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
867
868         * fold-const.c (fold_comparison): Use ssizetype.
869         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
870         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
871         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
872         * tree-object-size.c (compute_object_sizes): Use size_type_node.
873
874         * tree.h (initialize_sizetypes): Remove parameter.
875         (build_common_tree_nodes): Remove second parameter.
876         * stor-layout.c (initialize_sizetypes): Remove parameter.
877         Always create an unsigned type.
878         (set_sizetype): Assert that the passed type is unsigned and simplify.
879         * tree.c (build_common_tree_nodes): Remove second parameter.
880         Adjust call to initialize_sizetypes.
881         * c-decl.c (c_init_decl_processing): Remove second argument in call to
882         build_common_tree_nodes.
883
884 2010-04-18  Matthias Klose  <doko@ubuntu.com>
885
886         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
887
888 2010-04-18  Ira Rosen  <irar@il.ibm.com>
889
890         PR tree-optimization/43771
891         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
892         load permutation doesn't have gaps.
893
894 2010-04-18  Jan Hubicka  <jh@suse.cz>
895
896         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
897         (sse_prologue_save_insn expander): Use new pattern.
898         (sse_prologue_save_insn1): New pattern and splitter.
899         (sse_prologue_save_insn): Update to deal also with 64bit aligned
900         blocks.
901         * i386.c (setup_incoming_varargs_64): Do not compute jump
902         destination here.
903         (ix86_gimplify_va_arg): Update alignment needed.
904         (ix86_local_alignment): Do not align all local arrays to 128bit.
905
906 2010-04-17  Jan Hubicka  <jh@suse.cz>
907
908         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
909
910 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
911
912         * arm.md (negdi2): Remove redundant code to force values into a
913         register.
914
915 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
916
917         * arm/bpabi.S: Add EABI alignment attributes to objects.
918         * arm/bpabi-v6m.S: Likewise.
919         * arm/crti.asm: Likewise.
920         * arm/crtn.asm: Likewise.
921         * arm/lib1funcs.asm: Likewise.
922         * arm/libunwind.S: Likewise.
923
924 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
925
926         * arm-protos.h (tune_params): New structure.
927         * arm.c (current_tune): New variable.
928         (arm_constant_limit): Delete.
929         (struct processors): Add pointer to the tune parameters.
930         (arm_slowmul_tune): New tuning option.
931         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
932         (all_cores): Adjust to pick up the tuning model.
933         (arm_constant_limit): New function.
934         (arm_override_options): Select the appropriate tuning model.  Delete
935         initialization of arm_const_limit.
936         (arm_split_constant): Use the new constant-limit model.
937         (arm_rtx_costs): Pick up the current tuning model.
938         * arm.md (is_strongarm, is_xscale): Delete.
939         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
940         for Xscale variant architectures.
941         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
942
943 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
944
945         * config/arm/arm.c (arm_gen_constant): Remove unused variable
946         can_shift.
947         (arm_rtx_costs_1): Remove unused variable extra_cost.
948         (arm_unwind_emit_set): Use variable offset.
949         (thumb1_output_casesi): Remove unused variable flags.
950
951 2010-04-16  Jeff Law  <law@redhat.com>
952
953         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
954         needing assignment rather than doing a two-phase assignment.  Remove
955         unused variable 'm'.
956
957 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
958
959         PR bootstrap/43767
960         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
961
962 2010-04-16  Doug Kwan  <dougkwan@google.com>
963
964         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
965         (next_operand_entry_id): New static variable.
966         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
967         (add_to_ops_vec): Assigned unique ID to operand entry.
968         (struct oecount_s): New field ID.
969         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
970         (undistribute_ops_list): Assign unique IDs to oecounts.
971         (init_reassoc): reset next_operand_entry_id.
972
973 2010-04-16  Doug Kwan  <dougkwan@google.com>
974
975         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
976         missing left parenthesis.
977
978 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
979
980         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
981         *btdi_rex64 using SWI48 mode iterator.
982         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
983         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
984         *jcc_btdi_mask_rex64.
985
986 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
987
988         * double-int.h (tree_to_double_int): Convert to macro.
989         * double-int.c (tree_to_double_int): Remove.
990
991 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
992
993         PR debug/43762
994         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
995         with want_address 2 and in case a single element list might be
996         possible, call it again with want_address 0.
997
998 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
999
1000         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1001         case 'W' print operands for HI mode.
1002         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1003         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1004         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1005         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1006
1007         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1008
1009         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1010         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1011         #xx:3 and #xx:4 mode.
1012
1013         * config/h8300/h8300.md (inverted load with HImode dest): Add
1014         support for H8300SX.
1015
1016         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1017         satisfy 'U' constraint.
1018
1019 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1020
1021         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1022         * configure: Regenerate.
1023         * config.in: Regenerate.
1024         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1025         works.
1026
1027 2010-04-16  Richard Guenther  <rguenther@suse.de>
1028
1029         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1030         (struct tree_decl_common): ... here.
1031         (DECL_PT_UID): Adjust.
1032         (SET_DECL_PT_UID): Likewise.
1033         (DECL_PT_UID_SET_P): Likewise.
1034
1035 2010-04-16  Richard Guenther  <rguenther@suse.de>
1036
1037         PR tree-optimization/43572
1038         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1039         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1040         * tree-flow.h (is_call_clobbered): Remove.
1041         * tree-flow-inline.h (is_call_clobbered): Likewise.
1042         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1043         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1044         (execute_return_slot_opt): Adjust.
1045         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1046         check for call clobbered vars here.
1047         (find_tail_calls): Move tailcall verification to the
1048         proper place.
1049
1050 2010-04-16  Diego Novillo  <dnovillo@google.com>
1051
1052         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1053
1054 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1055
1056         PR target/40603
1057         * config/arm/arm.md (cbranchqi4): New pattern.
1058         * config/arm/predicates.md (const0_operand,
1059         cbranchqi4_comparison_operator): New predicates.
1060
1061 2010-04-16  Richard Guenther  <rguenther@suse.de>
1062
1063         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1064         (dump_gimple_stmt): Likewise.
1065
1066 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1067
1068         * recog.h (struct recog_data): New field is_operator.
1069         (struct insn_operand_data): New field is_operator.
1070         * recog.c (extract_insn): Set recog_data.is_operator.
1071         * genoutput.c (output_operand_data): Emit code to set the
1072         is_operator field.
1073         * reload.c (find_reloads): Use it rather than testing for an
1074         empty constraint string.
1075
1076         PR target/41514
1077         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1078         If the previous insn is a cbranchsi4_insn with the same arguments,
1079         omit the compare instruction.
1080
1081         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1082         register, inputs must be low registers and we need a low register
1083         scratch.  Handle alternative 2 like alternative 3.
1084
1085 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1086
1087         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1088         don't call get_addr on both.  If one expression is a VALUE and
1089         the other a REG, check VALUE's locs if the REG isn't among them.
1090
1091 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1092
1093         * config/sh/sh.h (sh_frame_pointer_required): New function.
1094         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1095         (flag_omit_frame_pointer) Set.
1096         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1097         (rounded_frame_size): Adjust size with outgoing_args_size.
1098         (sh_set_return_address): Must return from stack pointer.
1099         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1100         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1101         (ACCUMULATE_OUTGOING_ARGS): Define.
1102         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1103         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1104
1105 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1106
1107         PR target/43471
1108         * config/sh/sh.c (sh_legitimize_reload_address): Use
1109         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1110         Remove a unneeded check for offset_base.
1111
1112 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1113
1114         * configure: Regenerated.
1115
1116 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1117
1118         * config/s390/s390.c (s390_call_save_register_used): Switch back
1119         to HARD_REGNO_NREGS.
1120
1121 2010-04-15  Richard Guenther  <rguenther@suse.de>
1122
1123         * alias.c (alias_set_subset_of): Handle alias-set zero
1124         child properly.
1125
1126 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1127             Julian Brown  <julian@codesourcery.com>
1128
1129         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1130         alternatives according to use of high and low regs.
1131         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1132         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1133         optimizing for size on Thumb-2.
1134
1135 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1136
1137         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1138
1139 2010-04-15  Richard Guenther  <rguenther@suse.de>
1140
1141         * tree-ssa-structalias.c (struct variable_info): Add
1142         is_fn_info flag.
1143         (new_var_info): Initialize it.
1144         (dump_constraints): Support printing last added constraints.
1145         (debug_constraints): Adjust.
1146         (dump_constraint_graph): Likewise.
1147         (make_heapvar_for): Check for NULL cfun.
1148         (get_function_part_constraint): New function.
1149         (get_fi_for_callee): Likewise.
1150         (find_func_aliases): Properly implement IPA PTA constraints.
1151         (process_ipa_clobber): New function.
1152         (find_func_clobbers): Likewise.
1153         (insert_into_field_list_sorted): Remove.
1154         (create_function_info_for): Properly allocate vars for IPA mode.
1155         Do not use insert_into_field_list_sorted.
1156         (create_variable_info_for): Properly generate constraints for
1157         global vars in IPA mode.
1158         (dump_solution_for_var): Always dump the solution.
1159         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1160         (find_what_var_points_to): Adjust.
1161         (pt_solution_set): Change.
1162         (pt_solution_ior_into): New function.
1163         (pt_solution_empty_p): Export.
1164         (pt_solution_includes_global): Adjust.
1165         (pt_solution_includes_1): Likewise.
1166         (pt_solutions_intersect_1): Likewise.
1167         (dump_sa_points_to_info): Check some invariants.
1168         (solve_constraints): Move constraint dumping ...
1169         (compute_points_to_sets): ... here.
1170         (ipa_pta_execute): ... and here.
1171         (compute_may_aliases): Do not re-compute points-to info
1172         locally if IPA info is available.
1173         (ipa_escaped_pt): New global var.
1174         (ipa_pta_execute): Properly implement IPA PTA.
1175         * tree-into-ssa.c (dump_decl_set): Support dumping
1176         decls not in referenced-vars.
1177         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1178         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1179         (dump_points_to_solution): Likewise.
1180         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1181         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1182         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1183         (copy_decl_to_var): Copy DECL_PT_UID.
1184         (copy_result_decl_to_var): Likewise.
1185         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1186         (copy_node_stat): Copy it.
1187         * tree.h (DECL_PT_UID): New macro.
1188         (SET_DECL_PT_UID): Likewise.
1189         (DECL_PT_UID_SET_P): Likewise.
1190         (struct tree_decl_minimal): Add pt_uid member.
1191         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1192         (pt_solution_empty_p): Declare.
1193         (pt_solution_set): Adjust.
1194         (ipa_escaped_pt): Declare.
1195         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1196         * gimple-pretty-print.c (pp_points_to_solution): New function.
1197         (dump_gimple_call): Dump call clobber/use information.
1198         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1199         * tree-pass.h (TDF_ALIAS): New dump option.
1200         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1201         * doc/invoke.texi (-fipa-pta): Update documentation.
1202
1203 2010-04-15  Richard Guenther  <rguenther@suse.de>
1204
1205         * Makefile.in (OBJS-common): Add gimple-fold.o.
1206         (gimple-fold.o): New rule.
1207         * tree.h (maybe_fold_offset_to_reference,
1208         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1209         prototypes ...
1210         * gimple.h: ... here.
1211         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1212         may_propagate_address_into_dereference): Move prototypes ...
1213         * gimple.h: ... here.
1214         * tree-ssa-ccp.c (get_symbol_constant_value,
1215         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1216         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1217         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1218         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1219         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1220         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1221         gimplify_and_update_call_from_tree): Move ...
1222         * gimple-fold.c: ... here.  New file.
1223         (ccp_fold_builtin): Rename to ...
1224         (gimple_fold_builtin): ... this.
1225         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1226
1227 2010-04-15  Richard Guenther  <rguenther@suse.de>
1228
1229         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1230         fit_double_type, force_fit_type_double, add_double_with_sign,
1231         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1232         lrotate_double, rrotate_double, div_and_round_double): Move ...
1233         * double-int.c: ... here.
1234         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1235         add_double, neg_double, mul_double_with_sign, mul_double,
1236         lshift_double, rshift_double, lrotate_double, rrotate_double,
1237         div_and_round_double): Move prototypes ...
1238         * double-int.h: ... here.
1239
1240 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1241
1242         PR target/43742
1243         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1244         matching constraints to ensure inputs match the output.
1245
1246 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1247
1248         PR target/43742
1249         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1250         in an input-only operand.
1251
1252 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1253
1254         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1255         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1256         (double_int_negative_p): Convert to static inline function.
1257         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1258         (double_int_negative_p): Remove.
1259         * tree.h (lshift_double, rshift_double):
1260         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1261         * fold-const.c (fold_convert_const_int_from_real,
1262         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1263         (lshift_double): Change type of arith argument to bool.
1264         (rshift_double): Change type of arith argument to bool. Correct
1265         comment.
1266         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1267
1268 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1269
1270         PR target/21803
1271         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1272         at the start and end of the then/else blocks, and omit them from the
1273         conversion.
1274         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1275         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1276         (flow_find_head_matching_sequence): New function.
1277         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1278         * basic-block.h (flow_find_cross_jump,
1279         flow_find_head_matching_sequence): Declare functions.
1280
1281 2010-04-14  Jason Merrill  <jason@redhat.com>
1282
1283         PR c++/36625
1284         * c-common.c (attribute_takes_identifier_p): New fn.
1285         * c-common.h: Declare it.
1286
1287 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1288
1289         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1290         splitter condition.
1291         (*udivmod<mode>4): Ditto.
1292
1293 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1294
1295         * config/i386/i386.md (maxmin_int): Rename code attribute from
1296         maxminiprefix and update all users.
1297         (maxmin_float): Ditto from maxminfprefix.
1298         (logic): Ditto from logicprefix.
1299         (absneg_mnemonic): Ditto from absnegprefix.
1300         * config/i386/mmx.md: Update all users of maxminiprefix,
1301         maxminfprefix and logicprefix for rename.
1302         * config/i386/sse.md: Ditto.
1303         * config/i386/sync.md (sync_<code><mode>): Update for
1304         logicprefix rename.
1305
1306 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1307
1308         PR 42966
1309         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1310         warnings converted to errors.
1311
1312 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1313
1314         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1315         used insn_type variable.
1316         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1317         to avoid set-but-not-used warning.
1318
1319 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1320
1321         * df-core.c (df_ref_debug): Change format string placeholder
1322         from 0x%x to %#x.
1323         * dwarf2asm.c (dw2_asm_output_data_raw,
1324         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1325         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1326         * dwarf2out.c (output_cfi, output_cfi_directive,
1327         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1328         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1329         Ditto.
1330         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1331         * print-rtl.c (print_rtx): Ditto.
1332
1333 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1334
1335         PR middle-end/42694
1336         * builtins.c (expand_builtin_pow_root): New function to expand pow
1337         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1338         series of sqrt and cbrt calls under -ffast-math.
1339         (expand_builtin_pow): Call it.
1340
1341 2010-04-14  Michael Matz  <matz@suse.de>
1342
1343         PR tree-optimization/42963
1344         * tree-cfg.c (touched_switch_bbs): New static variable.
1345         (group_case_labels_stmt): New function broken out from ...
1346         (group_case_labels): ... here, use the above.
1347         (start_recording_case_labels): Allocate touched_switch_bbs.
1348         (end_recording_case_labels): Deallocate it, call
1349         group_case_labels_stmt.
1350         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1351
1352 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1353
1354         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1355         from insn template.
1356
1357 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1358
1359         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1360
1361 2010-04-13  Jan Hubicka  <jh@suse.cz>
1362
1363         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1364         of optimized out static functions.
1365         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1366         cost computation.  Also sanity check for overflows.
1367         (update_caller_keys): Update cgraph_edge_badness call; properly
1368         update fibheap and sanity check that it is up to date.
1369         (add_new_edges_to_heap): Update cgraph_edge_badness.
1370         (cgraph_decide_inlining_of_small_function): Likewise;
1371         add sanity checking that badness in heap is up to date;
1372         improve dumping of reason; Update badness of calls to the
1373         offline copy of function currently inlined; dump badness
1374         of functions not inlined because of unit growth limits.
1375
1376 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1377
1378         PR middle-end/32628
1379         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1380         because of sign-extension change when converting to sizetype here...
1381         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1382
1383         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1384         the folding to constants.  Remove redundant final conversion.
1385         (fold_binary) <associate>: Do not associate if the re-association of
1386         constants alone overflows.
1387         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1388         to the end of the list.
1389         (multiple_of_p) <COND_EXPR>: New case.
1390
1391 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1392
1393         * opt-functions.awk (opt_sanitized_name): New.
1394         (opt_enum): New.
1395         * optc-gen.awk: Use it
1396         * opth-gen.awk: Use it.
1397
1398 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1399
1400         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1401         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1402         children.  Call replace_uses_with_default_def_ssa_name to handle
1403         SSA_NAES on lhs.
1404
1405 2010-04-13  Michael Matz  <matz@suse.de>
1406
1407         PR middle-end/43730
1408         * builtins.c (expand_builtin_interclass_mathfn): Also create
1409         a register if the predicate doesn't match.
1410
1411 2010-04-13  Diego Novillo  <dnovillo@google.com>
1412
1413         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1414         * c-pch.c: Include timevar.h.
1415         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1416         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1417         * ggc-common.c: Include timevar.h.
1418         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1419         * timevar.def (TV_PCH_SAVE): Define.
1420         (TV_PCH_CPP_SAVE): Define.
1421         (TV_PCH_PTR_REALLOC): Define.
1422         (TV_PCH_PTR_SORT): Define.
1423         (TV_PCH_RESTORE): Define.
1424         (TV_PCH_CPP_RESTORE): Define.
1425
1426 2010-04-13  Michael Matz  <matz@suse.de>
1427
1428         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1429         into MINUS_EXPRs.
1430         (can_reassociate_p): New function.
1431         (break_up_subtract_bb, reassociate_bb): Use it.
1432
1433 2010-04-13  Richard Guenther  <rguenther@suse.de>
1434
1435         PR bootstrap/43737
1436         * builtins.c (c_readstr): Fix assert.
1437
1438 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1439
1440         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1441         when generating cltd insn.
1442
1443         (*ashl<mode>3_1): Remove special handling for register operand 2.
1444         (*ashlsi3_1_zext): Ditto.
1445         (*ashlhi3_1): Ditto.
1446         (*ashlhi3_1_lea): Ditto.
1447         (*ashlqi3_1): Ditto.
1448         (*ashlqi3_1_lea): Ditto.
1449         (*<shiftrt_insn><mode>3_1): Ditto.
1450         (*<shiftrt_insn>si3_1_zext): Ditto.
1451         (*<shiftrt_insn>qi3_1_slp): Ditto.
1452         (*<rotate_insn><mode>3_1): Ditto.
1453         (*<rotate_insn>si3_1_zext): Ditto.
1454         (*<rotate_insn>qi3_1_slp): Ditto.
1455
1456 2010-04-13  Richard Guenther  <rguenther@suse.de>
1457
1458         * tree-ssa-structalias.c (callused_id): Remove.
1459         (call_stmt_vars): New.
1460         (get_call_vi): Likewise.
1461         (lookup_call_use_vi): Likewise.
1462         (lookup_call_clobber_vi): Likewise.
1463         (get_call_use_vi): Likewise.
1464         (get_call_clobber_vi): Likewise.
1465         (make_transitive_closure_constraints): Likewise.
1466         (handle_const_call): Adjust to do per-call call-used handling.
1467         (handle_pure_call): Likewise.
1468         (find_what_var_points_to): Remove general callused handling.
1469         (init_base_vars): Likewise.
1470         (init_alias_vars): Initialize call_stmt_vars.
1471         (compute_points_to_sets): Process call-used and call-clobbered
1472         vars for call statements.
1473         (delete_points_to_sets): Free call_stmt_vars.
1474
1475 2010-04-13  Richard Guenther  <rguenther@suse.de>
1476
1477         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1478         Only add RW dependence for dependence distance zero.
1479         Adjust maximal vectorization factor according to dependences.
1480         Move alignment handling ...
1481         (vect_find_same_alignment_drs): ... here.  New function.
1482         (vect_analyze_data_ref_dependences): Adjust.
1483         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1484         (vect_analyze_data_refs): Adjust minimal vectorization factor
1485         according to data references.
1486         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1487         dependences before determining the vectorization factor.
1488         Analyze alignment after determining the vectorization factor.
1489         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1490         dependences before alignment.
1491         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1492         Adjust prototype.
1493         (vect_analyze_data_refs): Likewise.
1494         (MAX_VECTORIZATION_FACTOR): New define.
1495
1496 2010-04-13  Duncan Sands  <baldrick@free.fr>
1497
1498         * except.h (lang_eh_type_covers): Remove.
1499         * except.c (lang_eh_type_covers): Likewise.
1500
1501 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1502             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1503
1504         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1505         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1506         UNITS_PER_LONG where it is ABI relevant.
1507         (s390_return_addr_rtx): Likewise.
1508         (s390_back_chain_rtx): Likewise.
1509         (s390_frame_area): Likewise.
1510         (s390_frame_info): Likewise.
1511         (s390_initial_elimination_offset): Likewise.
1512         (save_gprs): Likewise.
1513         (s390_emit_prologue): Likewise.
1514         (s390_emit_epilogue): Likewise.
1515         (s390_function_arg_advance): Likewise.
1516         (s390_function_arg): Likewise.
1517         (s390_va_start): Likewise.
1518         (s390_gimplify_va_arg): Likewise.
1519         (s390_function_profiler): Likewise.
1520         (s390_optimize_prologue): Likewise.
1521         (s390_rtx_costs): Likewise.
1522         (s390_secondary_reload): Likewise.
1523         (s390_promote_function_mode): Likewise.
1524         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1525         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1526         registers available.
1527         (s390_unwind_word_mode): New function.
1528         (s390_function_value): Split 64 bit values into register pair if
1529         used as return value.
1530         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1531         function call parameters.  Handle parallels.
1532         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1533         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1534         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1535         (s390_expand_setmem): Remove unused variable src_addr.
1536         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1537         deal with 64 bit registers.
1538         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1539         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1540         (UNITS_PER_LONG): New macro.
1541         * libjava/include/s390-signal.h: Define extended ucontext
1542         structure containing the upper halfs of the 64 bit registers.
1543
1544 2010-04-13  Simon Baldwin  <simonb@google.com>
1545
1546         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1547
1548 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1549
1550         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1551         rvalue on the RHS if the LHS is of a non-renamable type.
1552         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1553
1554 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1555
1556         * gcc.c (cc1_options): Handle -iplugindir before processing
1557         the cc1 spec. Only add -iplugindir once.
1558         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1559         found.
1560         * common.opt (iplugindir): Remove `Separate' property, initialize.
1561         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1562         option.
1563         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1564         (distclean): Remove plugin dir.
1565         * doc/invoke.texi: Document -iplugindir.
1566
1567 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1568
1569         * doc/plugins.texi (Loading Plugins): Document short
1570         -fplugin=foo option.
1571         (Plugin API): Mention default_plugin_dir_name function.
1572
1573         * gcc.c (find_file_spec_function): Add new declaration.
1574         (static_spec_func): Use it for "find-file".
1575         (find_file_spec_function): Add new function.
1576         (cc1_options): Add -iplugindir option if -fplugin* options found.
1577
1578         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1579
1580         * plugin.c (add_new_plugin): Updated comment, and handle short
1581         plugin name.
1582         (default_plugin_dir_name): Added new function.
1583
1584         * common.opt (iplugindir): New option to set the plugin directory.
1585
1586 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1587
1588         * config/i386/i386.md (any_rotate): New code iterator.
1589         (rotate_insn): New code attribute.
1590         (rotate): Ditto.
1591         (SWIM124): New mode iterator.
1592         (<rotate_insn>ti3): New expander.
1593         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1594         any_rotate code iterator.
1595         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1596         using any_rotate code iterator and SWIM124 mode iterator.
1597         (ix86_rotlti3): New insn_and_split pattern.
1598         (ix86_rotrti3): Ditto.
1599         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1600         ix86_rotl{di,ti}3 patterns.
1601         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1602         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1603         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1604         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1605         code iterator and SWI mode iterator.
1606         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1607         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1608         code iterator.
1609         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1610         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1611         (bswap rotatert splitter): Add splitter.
1612         (bswap splitter): Macroize splitter using any_rotate code iterator.
1613         Add insn predicate to split only for TARGET_USE_XCHGB or when
1614         optimizing function for size.
1615
1616 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1617
1618         * config/pa/pa.c (emit_move_sequence): Remove use of
1619         deleted variable flag_argument_noalias.
1620
1621 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1622
1623         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1624         configurations.
1625         Add to unsupported targets list.
1626         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1627         sparc*-sun-solaris2.[567]* from target lists.
1628         * configure: Regenerate.
1629         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1630         removal.
1631         Remove Solaris 7 patch references.
1632         (Specific, sparc-sun-solaris2.7): Removed.
1633         (sparc-sun-solaris2*): Update Solaris 7 example.
1634         (sparc64-*-solaris2*): Likewise.
1635
1636 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1637
1638         * config.build (alpha*-dec-osf4*): Remove.
1639         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1640         of obsolete configurations.
1641         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1642         support.
1643         * config/alpha/t-osf4: Renamed to ...
1644         * config/alpha/t-osf5: ... this.
1645         * config/alpha/osf.h: Renamed to ...
1646         * config/alpha/osf5.h: ... this.
1647         Merged old osf5.h contents.
1648         Update comments.
1649         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1650         (EXTRA_SPECS): Removed.
1651         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1652         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1653         Document that.
1654
1655 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1656
1657         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1658
1659 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1660
1661         PR/43702
1662         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1663         __thiscall convention.
1664
1665 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1666
1667         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1668         orig_base.
1669         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1670
1671 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1672
1673         * function.c (assign_parms_initialize_all): Add unused attribute
1674         to fntype.
1675
1676 2010-04-12  Richard Guenther  <rguenther@suse.de>
1677
1678         * gsstruct.def (GSS_CALL): New.
1679         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1680         * gimple.h: Include tree-ssa-alias.h.
1681         (struct gimple_statement_call): New.
1682         (union gimple_statement_struct_d): Add gimple_call member.
1683         (gimple_call_reset_alias_info): Declare.
1684         (gimple_call_use_set): New function.
1685         (gimple_call_clobber_set): Likewise.
1686         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1687         * gimple.c (gimple_call_reset_alias_info): New function.
1688         (gimple_build_call_1): Call it.
1689         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1690         * tree-inline.c (remap_gimple_stmt): Likewise.
1691         (expand_call_inline): Remove callused handling.
1692         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1693         * tree-dfa.c (dump_variable): Likewise.
1694         * tree-parloops.c (parallelize_loops): Likewise.
1695         * tree-ssa.c (init_tree_ssa): Likewise.
1696         (delete_tree_ssa): Likewise.
1697         * tree-flow-inline.h (is_call_used): Remove.
1698         * tree-flow.h (struct gimple_df): Remove callused member.
1699         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1700         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1701         (ref_maybe_used_by_call_p_1): Simplify.
1702         (call_may_clobber_ref_p_1): Likewise.
1703         * tree-ssa-structalias.c (compute_points_to_sets): Set
1704         the call stmt used and clobbered sets.
1705         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1706         (find_tail_calls): Verify the tail call.
1707
1708 2010-04-12  Richard Guenther  <rguenther@suse.de>
1709
1710         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1711         single-iteration always-inline inlining.
1712         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1713         (cgraph_decide_inlining): Do not handle always-inline specially.
1714         (try_inline): Remove always-inline cycle detection special case.
1715         Do not recurse on always-inlines.
1716         (cgraph_early_inlining): Do not iterate if not optimizing.
1717         (cgraph_gate_early_inlining): remove.
1718         (pass_early_inline): Run unconditionally.
1719         (gate_cgraph_decide_inlining): New function.
1720         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1721         not inlining or optimizing.
1722         (cgraph_decide_inlining_of_small_functions): Also consider
1723         always-inline functions.
1724         (cgraph_default_inline_p): Return true for nodes which should
1725         disregard inline limits.
1726         (estimate_function_body_sizes): Assume zero size and time for
1727         nodes which are marked as disregarding inline limits.
1728         (cgraph_decide_recursive_inlining): Do not perform recursive
1729         inlining on always-inline nodes.
1730
1731 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1732
1733         PR bootstrap/43699
1734         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1735         for exprs satisfying handled_component_p.
1736
1737 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1738
1739         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1740         non-constant aggregate elements.
1741
1742         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1743         is a real initialization.
1744
1745 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1746
1747         PR c/36774
1748         * c-decl.c (start_function): Move forward check for nested function.
1749
1750 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1751
1752         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1753         * config/sh/sh.c: Include reload.h.
1754         (sh_legitimize_reload_address): New.
1755         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1756         sh_legitimize_reload_address.
1757
1758 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1759
1760         * config/sh/sh.md (*movqi_pop): New insn pattern.
1761         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1762
1763 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1764
1765         * config/i386/i386.md (any_shiftrt): New code iterator.
1766         (shiftrt_insn): New code attribute.
1767         (shiftrt): Ditto.
1768         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1769         using any_shiftrt code iterator.
1770         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1771         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1772         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1773         pattern from corresponding peephole2 patterns.
1774         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1775         using any_shiftrt code iterator.
1776         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1777         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1778         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1779         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1780         *{ashr,lshr}<mode>3_cmp_zext.
1781         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1782
1783 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1784
1785         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1786         scratch register.
1787         (*lshr<mode>3_cconly): Ditto.
1788
1789 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1790
1791         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1792         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1793         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1794         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1795         DWI mode iterator.
1796         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1797         from corresponding peephole2 patterns.
1798         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1799         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1800         and *lshrdi3_1_rex64 using SWI mode iterator.
1801         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1802         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1803         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1804         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1805         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1806         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1807         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1808         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1809         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1810         SWI mode iterator.
1811
1812 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1813
1814         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1815         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1816         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1817         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1818         DWI mode iterator.
1819         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1820         from corresponding peephole2 patterns.
1821         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1822         (ashrsi3_cvt): Rename from ashrsi3_31.
1823         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1824         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1825         and x86_64_shift_adj_3 using SWI48 mode iterator.
1826         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1827         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1828         and *ashrdi3_1_rex64 using SWI mode iterator.
1829         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1830         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1831         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1832         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1833         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1834         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1835         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1836         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1837         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1838         SWI mode iterator.
1839         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1840         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1841         x86_shift<mode>_adj_3 expanders.
1842
1843 2010-04-10  Wei Guozhi  <carrot@google.com>
1844
1845         PR target/42601
1846         * config/arm/arm.c (arm_pic_static_addr): New function.
1847         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1848         a static symbol.
1849         (arm_output_addr_const_extra): Output expression for new pattern.
1850         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1851
1852 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1853
1854         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1855         not enabled.
1856
1857         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1858         * web.c: Include "insn-config.h" and "recog.h".
1859         (union_match_dups): New function.
1860         (web_main): Call it.
1861         (union_defs): Don't try to recognize match_dups.
1862
1863         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1864         if doing so would replace the entire pattern.
1865
1866 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         PR target/43707
1869         PR target/43709
1870         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1871         and splitter pattern.  Change splitter operand 1 predicate to
1872         nonmemory_operand.
1873
1874 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1875
1876         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1877         lattices are addresses of CONST_DECLs with the same initial value.
1878         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1879         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1880
1881 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1882             Bernd Schmidt  <bernds@codesourcery.com>
1883
1884         * loop-invariant.c (replace_uses): New static function.
1885         (move_invariant_reg): Use it to ensure we can replace the uses.
1886
1887 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1888
1889         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1890         function template.
1891         (picochip_override_options): Enable section anchors only above -O1.
1892         (picochip_reorg): Fixed a couple of build warnings.
1893
1894 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1895
1896         * configure.ac (plugin -rdynamic test): Log result.
1897         * configure: Regenerate.
1898         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1899         (RDYNAMIC_SPEC): Define.
1900         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1901
1902 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1903
1904         * configure.ac: Determine Sun ld version numbers.
1905         (comdat_group): Restrict GNU ld version checks to gld.
1906         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1907         (enable_comdat): Support --enable-comdat.
1908         * configure: Regenerate.
1909         * doc/install.texi (Configuration): Document --enable-comdat.
1910
1911 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1912
1913         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1914         * config/sol2-gld.h: ... here.
1915         * config.gcc (sparc*-*-solaris2*): Reflect this.
1916         (i[34567]86-*-solaris2*): Use it.
1917
1918 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1919
1920         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1921         setup_clocks_p.
1922         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1923
1924 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1925
1926         PR 42965
1927         * diagnostic.c (diagnostic_initialize): Initialize
1928         some_warnings_are_errors.
1929         (diagnostic_finish): New.
1930         (diagnostic_action_after_output): Call it before exiting.
1931         (diagnostic_report_diagnostic): Do not print message here. Set
1932         some_warnings_are_errors.
1933         * diagnostic.h (diagnostic_context): Delete
1934         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1935         (diagnostic_finish): Declare.
1936         * toplev.c (toplev_main): Call it before exit.
1937
1938 2010-04-09  Jason Merrill  <jason@redhat.com>
1939
1940         PR c++/42623
1941         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1942         for incomplete type.
1943
1944         PR c++/41788
1945         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1946         based on a warning flag.
1947
1948 2010-04-09  Richard Guenther  <rguenther@suse.de>
1949
1950         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1951
1952 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1953
1954         PR bootstrap/43684
1955         * varasm.c (default_assemble_visibility): Wrap vars that are
1956         set, but unused, by targets without GAS.
1957         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1958         Remove set, but unused, vars.
1959         (rs6000_legitimize_tls_address): Likewise.
1960         (altivec_expand_dst_builtin): Likewise.
1961         * config/darwin.c (machopic_classify_symbol): Likewise.
1962         (machopic_indirection_name): Likewise.
1963
1964 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1965
1966         * config/i386/i386.md (DWI): New mode iterator.
1967         (S): New mode attribute.
1968         (shift_operand): Ditto.
1969         (shift_immediate_operand): Ditto.
1970         (ashl_input_operand): Ditto.
1971         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1972         using SDWIM mode iterator.
1973         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1974         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1975         DWI mode iterator.
1976         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1977         from corresponding peephole2 patterns.
1978         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1979         and x86_64_shift_adj_1 using SWI48 mode iterator.
1980         (x86_shift<mode>_adj_2): Ditto.
1981         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1982         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1983         using SWI48 mode iterator.
1984         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1985         *ashldi3_cmp_rex64 using SWI mode iterator.
1986         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1987         *ashldi3_cconly_rex64 using SWI mode iterator.
1988         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1989         x86_shift<mode>_adj_{1,2}.
1990         (ix86_split_ashr): Ditto.
1991         (ix86_split_lshr): Ditto.
1992
1993 2010-04-09  Richard Guenther  <rguenther@suse.de>
1994
1995         * target.h (builtin_conversion): Pass in input and output types.
1996         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1997         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1998         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1999         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2000
2001         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2002         Handle AVX modes.
2003         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2004
2005 2010-04-09  Richard Guenther  <rguenther@suse.de>
2006
2007         PR target/43152
2008         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2009
2010 2010-04-09  Richard Guenther  <rguenther@suse.de>
2011
2012         * tree-vectorizer.h (struct _stmt_vec_info): Document
2013         that vectype is the type of the LHS.
2014         (supportable_widening_operation, supportable_narrowing_operation):
2015         Get both input and output vector types as arguments.
2016         (vect_is_simple_use_1): Declare.
2017         (get_same_sized_vectype): Likewise.
2018         * tree-vect-loop.c (vect_determine_vectorization_factor):
2019         Set STMT_VINFO_VECTYPE to the vector type of the def.
2020         (vectorizable_reduction): Adjust.
2021         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2022         Adjust.  Specify the output vector type.
2023         (vect_pattern_recog_1): Adjust.
2024         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2025         (vectorizable_call): Adjust.
2026         (vectorizable_conversion): Likewise.
2027         (vectorizable_operation): Likewise.
2028         (vectorizable_type_demotion): Likewise.
2029         (vectorizable_type_promotion): Likewise.
2030         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2031         the def.
2032         (vect_is_simple_use_1): New function.
2033         (supportable_widening_operation): Get both input and output
2034         vector types.
2035         (supportable_narrowing_operation): Likewise.
2036         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2037
2038 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2039
2040         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2041         __thiscall and _thiscall as predefined macros.
2042         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2043         thiscall attribute handling.
2044         (ix86_comp_type_attributes): Likewise.
2045         (ix86_function_regparm): Likewise.
2046         (ix86_return_pops_args): Likewise.
2047         (init_cumulative_args): Likewise.
2048         (find_drap_reg): Likewise.
2049         (ix86_static_chain): Likewise.
2050         (x86_this_parameter): Likewise.
2051         (x86_output_mi_thunk): Likewise.
2052         (ix86_attribute_table): Add description for thiscall attribute.
2053         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2054         * doc/extend.texi: Add documentation for thiscall.
2055
2056 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2057
2058         PR c++/28584
2059         * c.opt (Wint-to-pointer-cast): Available in C++.
2060         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2061
2062 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2063
2064         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2065         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2066         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2067         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2068         function type instead.  Reorder and simplify checks.
2069
2070         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2071
2072 2010-04-08  Jing Yu  <jingyu@google.com>
2073             Zdenek Dvorak  <ook@ucw.cz>
2074
2075         PR tree-optimization/42720
2076         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2077         loop unswitch conditions here from ...
2078         (tree_unswitch_single_loop): ... here.
2079
2080 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2081
2082         * tree-if-conv.c: Fix comments and simplify logic.
2083
2084 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2085
2086         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2087         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2088         (main_tree_if_conversion): Update call to tree_if_conversion.
2089
2090 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2091
2092         PR 42485
2093         * doc/invoke.texi (-b,-V): Delete.
2094         * doc/tm.texi: Do not mention -b.
2095         * gcc.c (display_help): Delete -b and -V.
2096         (process_command): Delete -b and -V.
2097         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2098
2099 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2100             Wolfgang Gellerich  <gellerich@de.ibm.com>
2101
2102         Implement target hook for loop unrolling
2103         * target.h (loop_unroll_adjust): Add a new target hook function.
2104         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2105         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2106         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2107         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2108         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2109         target hook.
2110         (decide_unroll_stupid): Likewise.
2111
2112 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2113
2114         PR target/43643
2115         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2116
2117 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2118
2119         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2120         (Specific, *-*-solaris2*): Likewise.
2121         Don't prefer Sun as over GNU as.
2122
2123 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2124
2125         * config/s390/s390.c (override_options): Adjust the z10
2126           defaults for max-unroll-times, max-completely-peeled-insns
2127           and max-completely-peel-times.
2128
2129 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2130
2131         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2132         instructions for z10.
2133         (s390_expand_setmem): Likewise.
2134         (s390_expand_cmpmem): Likewise.
2135
2136 2010-04-08  Richard Guenther  <rguenther@suse.de>
2137
2138         PR tree-optimization/43679
2139         * tree-ssa-pre.c (eliminate): Only propagate copies.
2140
2141 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2142
2143         PR bootstrap/43681
2144         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2145         set but not used variable warning.
2146
2147 2010-04-08  Wei Guozhi  <carrot@google.com>
2148
2149         PR target/41653
2150         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2151         (arm_size_rtx_costs): Call the new function when optimized for size.
2152
2153 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2154
2155         PR debug/43670
2156         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2157         op0 is not a MEM, just return NULL instead of assertion
2158         failure.
2159         (discover_nonconstant_array_refs): Don't walk debug stmts.
2160
2161 2010-04-08  Doug Kwan  <dougkwan@google.com>
2162
2163         * configure.ac: Recognize gold and do not use its version number
2164         to test ld features.
2165         * configure: Regenerate.
2166
2167 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2168
2169         PR middle-end/40815
2170         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2171         (negate_value): Move code to push elements to broken_up_substracts ...
2172         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2173         negative pair to plus_negates.
2174         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2175
2176 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2177
2178         * doc/install.texi (Configuration): Move description of
2179         --enable-lto, --with-libelf*, --enable-gold from Java section to
2180         general section.
2181
2182         * doc/generic.texi (Working with declarations)
2183         (Function Properties, C and C++ Trees): Fix typos.
2184         * doc/sourcebuild.texi (Top Level): Likewise.
2185
2186 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2187
2188         PR c/18624
2189         * tree.h (DECL_READ_P): Define.
2190         (struct tree_decl_common): Add decl_read_flag.
2191         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2192         a set but not used warning.
2193         (merge_decls): Merge DECL_READ_P flag.
2194         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2195         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2196         * c-common.c (handle_used_attribute, handle_unused_attribute):
2197         Likewise.
2198         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2199         New prototypes.
2200         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2201         New functions.
2202         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2203         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2204         c_parser_binary_expression, c_parser_cast_expression,
2205         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2206         Call default_function_array_read_conversion instead of
2207         default_function_array_conversion where needed.
2208         (c_parser_unary_expression, c_parser_conditional_expression,
2209         c_parser_postfix_expression_after_primary, c_parser_initelt):
2210         Likewise.  Call mark_exp_read where needed.
2211         (c_parser_statement_after_labels, c_parser_asm_operands,
2212         c_parser_typeof_specifier, c_parser_sizeof_expression,
2213         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2214         where needed.
2215         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2216         New.
2217         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2218         (warn_unused_but_set_parameter): Default to warn_unused
2219         && extra_warnings.
2220         * doc/invoke.texi: Document -Wunused-but-set-variable and
2221         -Wunused-but-set-parameter.
2222
2223         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2224         used count variable.
2225         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2226         when operandN variables aren't used in the body of the expander
2227         or splitter.
2228         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2229         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2230         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2231         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2232         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2233         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2234         * tree.c (PROCESS_ARG): Likewise.
2235
2236 2010-04-07  Simon Baldwin  <simonb@google.com>
2237
2238         * diagnostic.h (diagnostic_override_option_index): New macro to
2239         set a diagnostic's option_index.
2240         * c-tree.h (c_cpp_error): Add warning reason argument.
2241         * opts.c (_warning_as_error_callback): New.
2242         (register_warning_as_error_callback): Store callback for
2243         warnings enabled via enable_warning_as_error.
2244         (enable_warning_as_error): Call callback, minor code tidy.
2245         * opts.h (register_warning_as_error_callback): Declare.
2246         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2247         response to -Werror=.
2248         (c_common_init_options): Register warning_as_error_callback in opts.c.
2249         * common.opt: Add -Wno-cpp option.
2250         * c-common.c (struct reason_option_codes_t): Map cpp warning
2251         reason codes to gcc option indexes.
2252         * (c_option_controlling_cpp_error): New function, lookup the gcc
2253         option index for a cpp warning reason code.
2254         * (c_cpp_error): Add warning reason argument, call
2255         c_option_controlling_cpp_error for diagnostic_override_option_index.
2256         * doc/invoke.texi: Document -Wno-cpp.
2257
2258 2010-04-07  Richard Guenther  <rguenther@suse.de>
2259
2260         * ipa-reference.c (mark_load): Use get_base_address.
2261         (mark_store): Likewise.
2262
2263         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2264         inserting GIMPLE_NOPs into the IL.
2265         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2266         Explicitly strip handled components and indirect references.
2267
2268         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2269         folding address expressions.
2270         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2271         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2272         operand_equal_p to compare decls.
2273         (ptr_deref_may_alias_decl_p): Likewise.
2274         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2275         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2276         Handle reversed comparison ops.
2277         * tree-sra.c (asm_visit_addr): Use get_base_address.
2278         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2279         * ipa-reference.c (mark_address): Use get_base_address.
2280
2281 2010-04-07  Richard Guenther  <rguenther@suse.de>
2282
2283         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2284         Propagate constants everywhere.
2285
2286 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2287
2288         PR debug/43516
2289         * tree.c (MAX_INT_CACHED_PREC): Define.
2290         (nonstandard_integer_type_cache): New array.
2291         (build_nonstandard_integer_type): Cache results for precision
2292         <= MAX_INT_CACHED_PREC.
2293
2294 2010-04-07  Richard Guenther  <rguenther@suse.de>
2295
2296         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2297         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2298         * common.opt: Likewise.
2299         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2300         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2301         (nonoverlapping_memrefs_p): Likewise.
2302         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2303         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2304         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2305         OPT_fargument_noalias_global for backward compatibility.
2306
2307 2010-04-07  Richard Guenther  <rguenther@suse.de>
2308
2309         PR tree-optimization/43270
2310         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2311         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2312         * tree-ssa-pre.c (phi_translate_1): Adjust.
2313         (fully_constant_expression): Split out vn_reference handling to ...
2314         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2315         Fold reads from constant strings.
2316         (vn_reference_lookup): Handle fully constant references.
2317         (vn_reference_lookup_pieces): Likewise.
2318         * Makefile.in (expmed.o-warn): Add -Wno-error.
2319
2320 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2321
2322         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2323
2324 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2325
2326         PR driver/41594
2327         * gcc.c: Add -static-libstdc++ to list of recognized options.
2328
2329 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2330
2331         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2332
2333 2010-04-07  Richard Guenther  <rguenther@suse.de>
2334
2335         PR middle-end/42617
2336         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2337         bases build simple mem attributes to retain points-to information.
2338
2339 2010-04-07  Richard Guenther  <rguenther@suse.de>
2340
2341         PR middle-end/42617
2342         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2343         preserve points-to related information.
2344
2345 2010-04-07  Richard Guenther  <rguenther@suse.de>
2346
2347         PR middle-end/42617
2348         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2349         discard plain indirect references.
2350         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2351         * tree.c (tree_nop_conversion): Likewise.
2352
2353 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2354
2355         PR debug/43628
2356         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2357
2358 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2359
2360         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2361         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2362
2363 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * tree-if-conv.c: Fix indentation and comments.
2366
2367 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2368
2369         * tree-if-conv.c: Sort static functions in topological order.
2370
2371 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2372
2373         * tree-if-conv.c: Fix indentation and comments.
2374
2375 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         PR middle-end/43519
2378         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2379         lang_hooks.types.type_for_size instead of
2380         build_nonstandard_integer_type.
2381         When converting an unsigned type to signed, double its precision.
2382         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2383         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2384         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2385         use lb <= ub.
2386
2387 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2388
2389         PR middle-end/43519
2390         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2391         POINTER_PLUS_EXPR for pointer types.
2392
2393 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         PR middle-end/43519
2396         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2397         * graphite-clast-to-gimple.c: Include langhooks.h.
2398         (max_signed_precision_type): New.
2399         (max_precision_type): Takes two types as arguments.
2400         (precision_for_value): New.
2401         (precision_for_interval): New.
2402         (gcc_type_for_interval): New.
2403         (gcc_type_for_value): New.
2404         (gcc_type_for_clast_term): New.
2405         (gcc_type_for_clast_red): New.
2406         (gcc_type_for_clast_bin): New.
2407         (gcc_type_for_clast_expr): Split up into several functions.
2408         (gcc_type_for_clast_eq): Rewritten.
2409         (compute_bounds_for_level): New.
2410         (compute_type_for_level_1): New.
2411         (compute_type_for_level): New.
2412         (gcc_type_for_cloog_iv): Removed.
2413         (gcc_type_for_iv_of_clast_loop): Rewritten.
2414         (graphite_create_new_loop): Compute the lower and upper bound types
2415         with gcc_type_for_clast_expr.
2416         (graphite_create_new_loop_guard): Same.
2417         (find_cloog_iv_in_expr): Removed.
2418         (compute_cloog_iv_types_1): Removed.
2419         (compute_cloog_iv_types): Removed.
2420         (gloog): Do not call compute_cloog_iv_types.
2421         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2422         GBB_CLOOG_IV_TYPES.
2423         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2424         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2425         (GBB_CLOOG_IV_TYPES): Removed.
2426
2427 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2430         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2431         (detect_commutative_reduction): Same.
2432
2433 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2434
2435         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2436         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2437         argument.
2438         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2439         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2440         (rewrite_commutative_reductions_out_of_ssa): Same.
2441         * passes.c (execute_function_todo): Call verify_ssa for every pass
2442         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2443         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2444         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2445         with an extra argument.
2446         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2447         verify_ssa only when the extra argument is true.
2448         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2449         with an extra argument.
2450         (tree_transform_and_unroll_loop): Same.
2451
2452 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2453
2454         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2455         for all the passes of the LNO having LOOP_CLOSED_SSA.
2456         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2457         * tree-loop-distribution.c (pass_loop_distribution): Same.
2458         * tree-pass.h (TODO_verify_loops): Removed.
2459         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2460         (pass_lim): Same.
2461         (pass_tree_unswitch): Same.
2462         (pass_predcom): Same.
2463         (pass_vectorize): Same.
2464         (pass_linear_transform): Same.
2465         (pass_graphite_transforms): Same.
2466         (pass_iv_canon): Same.
2467         (pass_complete_unroll): Same.
2468         (pass_complete_unrolli): Same.
2469         (pass_parallelize_loops): Same.
2470         (pass_loop_prefetch): Same.
2471         (pass_iv_optimize): Same.
2472
2473 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2474
2475         PR middle-end/32824
2476         * passes.c (init_optimization_passes): Move pass_lim before
2477         pass_copy_prop and pass_dce_loop.
2478
2479 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2480
2481         PR target/43667
2482         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2483         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2484         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2485         MULTI_* defines for 4 argument vpermil2p* builtins.
2486
2487 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2490         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2491         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2492         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2493         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2494         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2495         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2496         Use x86_maybe_negate_const_int to output insn mnemonic.
2497         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2498         check from instruction predicate.  Update comments.
2499         * config/i386/sync.md (sync_add<mode>): Use
2500         x86_maybe_negate_const_int to output insn mnemonic.
2501
2502 2010-04-06  Jan Hubicka  <jh@suse.cz>
2503
2504         PR tree-optimization/42906
2505         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2506         IGNORE_SELF argument.  Set visited_control_parents for fully
2507         processed BBs.
2508         (find_obviously_necessary_stmts): Update call of
2509         mark_control_dependent_edges_necessary.
2510         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2511
2512 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         * config/i386/i386.md: Remove comment about 'e' and 'E'
2515         operand modifier.
2516
2517 2010-04-06  Richard Guenther  <rguenther@suse.de>
2518
2519         PR tree-optimization/43627
2520         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2521         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2522         not varying.
2523
2524 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2525
2526         * BASE-VER: Change to 4.6.0.
2527
2528         PR target/43638
2529         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2530         handling.
2531
2532 2010-04-06  Richard Guenther  <rguenther@suse.de>
2533
2534         PR middle-end/43661
2535         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2536
2537 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2538
2539         * doc/invoke.texi (Optimize Options): Document that LTO
2540         won't remove object access purely due to incompatible
2541         declarations.
2542
2543 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2544
2545         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2546         Initialize variable.
2547
2548 2010-04-03  Richard Guenther  <rguenther@suse.de>
2549
2550         PR middle-end/42509
2551         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2552         require a non-NULL MEM_OFFSET.
2553
2554 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2555
2556         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2557         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2558         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2559         config/alpha/predicates.md, config/arm/arm.md,
2560         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2561         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2562         config/darwin9.h, config/darwin.c, config/darwin.h,
2563         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2564         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2565         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2566         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2567         config/mips/mips.md, config/mn10300/mn10300.c,
2568         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2569         config/rs6000/aix.h, config/rs6000/dfp.md,
2570         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2571         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2572         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2573         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2574         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2575         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2576         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2577         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2578         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2579         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2580         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2581         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2582         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2583         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2584         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2585         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2586         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2587         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2588         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2589         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2590         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2591         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2592         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2593         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2594         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2595         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2596         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2597         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2598         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2599         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2600         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2601         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2602         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2603         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2604         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2605         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2606
2607 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2608
2609         PR other/43620
2610         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2611         * aclocal.m4: Regenerate.
2612
2613 2010-04-02  Richard Guenther  <rguenther@suse.de>
2614
2615         PR tree-optimization/43629
2616         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2617         if we have seen a constant value.
2618
2619 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2620
2621         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2622
2623 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2624
2625         PR target/43469
2626         * arm.c (legitimize_tls_address): Adjust call to
2627         gen_tls_load_dot_plus_four.
2628         (arm_note_pic_base): New function.
2629         (arm_cannot_copy_insn_p): Use it.
2630         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2631         constraint.
2632
2633 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2634
2635         PR bootstrap/43531
2636
2637         Revert:
2638         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2639
2640         * Makefile.in ($(out_object_file)): Depend on
2641         gt-$(basename $(notdir $(out_file))).h.
2642
2643 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2644
2645         * config.gcc (lm32-*-rtems*): Add t-lm32.
2646
2647 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2648
2649         * config.gcc: Add lm32-*-rtems*.
2650         * config/lm32/rtems.h: New file.
2651
2652 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2653
2654         PR target/42609
2655         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2656
2657 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2658
2659         * dwarf2out.c (output_compilation_unit_header): For
2660         -gdwarf-4 use version 4 instead of version 3.
2661         (output_line_info): For version 4 and above emit additional
2662         maximum ops per insn header field.
2663         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2664
2665         * dwarf2out.c (is_c_family, is_java): Remove.
2666         (lower_bound_default): New function.
2667         (add_bound_info, gen_descr_array_type_die): Use it.
2668
2669 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2670
2671         PR debug/43325
2672         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2673         re-declaration when it happens in a function.
2674
2675 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2676
2677         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2678         (cgraph_remove_function_insertion_hook): Same.
2679         (cgraph_call_function_insertion_hooks): Same.
2680
2681 2010-04-01  Richard Guenther  <rguenther@suse.de>
2682
2683         PR middle-end/43614
2684         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2685         and TREE_THIS_VOLATILE.
2686         (copy_ref_info): Likewise.
2687         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2688         * tree.c (build6_stat): Ignore side-effects of all but arg5
2689         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2690         TARGET_MEM_REF.
2691
2692 2010-04-01  Richard Guenther  <rguenther@suse.de>
2693
2694         PR tree-optimization/43607
2695         * ipa-type-escape.c (check_call): Do not access non-existing
2696         arguments.
2697
2698 2010-04-01  Richard Guenther  <rguenther@suse.de>
2699
2700         PR middle-end/43602
2701         Revert
2702         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2703                     Jack Howarth <howarth@bromo.med.uc.edu>
2704
2705         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2706         variables TLS.
2707
2708 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2709
2710         * doc/install.texi (Prerequisites): Document libelf usability on
2711         IRIX 5/6 and Solaris 2.
2712         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2713         Update GNU as, GNU ld requirements.
2714         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2715         Document Sun Studio compiler download.
2716         Update and simplify as, ld recommendations.
2717         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2718
2719 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2720
2721         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2722         with_tune_32 to pentium4.
2723
2724 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2725
2726         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2727
2728 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2729
2730         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2731         obsoletion, removal.
2732         Update IDO URL.
2733         Document GNU as requirement.
2734         Update configure requirements.
2735         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2736         Recomment IRIX 6.5.18+.
2737         Document IDF/IDL requirement.
2738         Document GNU as requirement.
2739         Document GNU ld bootstrap failure.
2740         Remove freeware.sgi.com reference.
2741
2742 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2743
2744         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2745         UNIX V4.0, V5.0 obsoletion, removal.
2746         Remove --with-gc=simple reference.
2747         Update VM requirements during bootstrap.
2748         Remove -oldas bootstrap description.
2749         Update binutils reference.
2750         Remove comparison failure note.
2751
2752 2010-03-31  Richard Guenther  <rguenther@suse.de>
2753             Zdenek Dvorak  <ook@ucw.cz>
2754             Sebastian Pop  <sebastian.pop@amd.com>
2755
2756         PR middle-end/43464
2757         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2758         with multiple arguments.
2759         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2760
2761 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2762
2763         * graphite-dependences.c (print_pddr): Call print_pdr with an
2764         extra argument.
2765         * graphite-poly.c (debug_pdr): Add an extra argument for the
2766         verbosity level.
2767         (print_pdr): Same.
2768         (print_pbb_domain): Same.
2769         (print_pbb): Same.
2770         (print_scop_context): Same.
2771         (print_scop): Same.
2772         (print_cloog): Same.
2773         (debug_pbb_domain): Same.
2774         (debug_pbb): Same.
2775         (print_pdrs): Same.
2776         (debug_pdrs): Same.
2777         (debug_scop_context): Same.
2778         (debug_scop): Same.
2779         (debug_cloog): Same.
2780         (print_scop_params): Same.
2781         (debug_scop_params): Same.
2782         (print_iteration_domain): Same.
2783         (print_iteration_domains): Same.
2784         (debug_iteration_domain): Same.
2785         (debug_iteration_domains): Same.
2786         (print_scattering_function): Same.
2787         (print_scattering_functions): Same.
2788         (debug_scattering_function): Same.
2789         (debug_scattering_functions): Same.
2790         * graphite-poly.h (debug_pdr): Update declaration.
2791         (print_pdr): Same.
2792         (print_pbb_domain): Same.
2793         (print_pbb): Same.
2794         (print_scop_context): Same.
2795         (print_scop): Same.
2796         (print_cloog): Same.
2797         (debug_pbb_domain): Same.
2798         (debug_pbb): Same.
2799         (print_pdrs): Same.
2800         (debug_pdrs): Same.
2801         (debug_scop_context): Same.
2802         (debug_scop): Same.
2803         (debug_cloog): Same.
2804         (print_scop_params): Same.
2805         (debug_scop_params): Same.
2806         (print_iteration_domain): Same.
2807         (print_iteration_domains): Same.
2808         (debug_iteration_domain): Same.
2809         (debug_iteration_domains): Same.
2810         (print_scattering_function): Same.
2811         (print_scattering_functions): Same.
2812         (debug_scattering_function): Same.
2813         (debug_scattering_functions): Same.
2814
2815 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2816
2817         * graphite-poly.c (print_scattering_function_1): New.
2818         (print_scattering_function): Call it.
2819         (print_scop_params): Remove spaces at the end of lines.
2820         (print_cloog): New.
2821         (debug_cloog): New.
2822         * graphite-poly.h (print_cloog): Declared.
2823         (debug_cloog): Declared.
2824
2825 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2826
2827         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2828         in loop->header.
2829         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2830         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2831         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2832         to switch between adding the IV bump in loop->latch or in loop->header.
2833
2834 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2835
2836         * graphite-poly.c (print_scattering_function): Pretty print following
2837         the scoplib format.
2838         (print_pdr): Same.
2839         (print_pbb_domain): Same.
2840         (dump_gbb_cases): Same.
2841         (dump_gbb_conditions): Same.
2842         (print_pdrs): Same.
2843         (print_pbb): Same.
2844         (print_scop_params): Same.
2845         (print_scop_context): Same.
2846         (print_scop): Same.
2847         (print_pbb_body): New.
2848         (lst_indent_to): New.
2849         (print_lst): Start new lines with a #.
2850         * graphite-poly.h (pbb_bb): New.
2851         (pbb_index): Use pbb_bb.
2852         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2853         disjuncts.
2854         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2855
2856 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2857
2858         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2859         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2860         and 0 instead of 1 for dw_val_class_flag.
2861         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2862         dw_val_class_range_list, dw_val_class_loc_list,
2863         dw_val_class_lineptr and dw_val_class_macptr, use
2864         DW_FORM_flag_present for dw_val_class_flag and
2865         DW_FORM_exprloc for dw_val_class_loc.
2866         (output_die): For -gdwarf-4 print dw_val_class_loc
2867         size as uleb128 instead of 1 or 2 bytes and don't print
2868         anything for dw_val_class_flag.
2869
2870         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2871         instead of cselib_lookup following by tweaking locs->setting_insn.
2872
2873         PR bootstrap/43596
2874         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2875         even before returning from label, setjmp call or volatile asm
2876         handling.
2877
2878 2010-03-31  Richard Guenther  <rguenther@suse.de>
2879
2880         PR middle-end/43600
2881         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2882         temporary data on stack.
2883
2884 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2885
2886         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2887         (PUSHSECTION_ASM_OP): Remove.
2888         (POPSECTION_ASM_OP): Remove.
2889         (PUSHSECTION_FORMAT): Remove.
2890         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2891         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2892         * config/sol2.c (solaris_output_init_fini): Use it.
2893
2894 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2895
2896         PR 43574
2897         * opt-functions.awk (var_type_struct): Use signed char type
2898         for simple variables.
2899
2900 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2901
2902         * config/sol2.c: Include output.h.
2903         (solaris_assemble_visibility): New function.
2904         * config/t-sol2 (sol2.o): Add output.h dependency.
2905         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2906         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2907         Redefine.
2908
2909 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2910
2911         PR target/43580
2912         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2913         V2SImode or XFmode on PRE_DEC.
2914
2915         PR debug/43557
2916         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2917         BLKmode.
2918
2919 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2920
2921         PR 43562
2922         * reload.h (caller_save_initialized_p): Declare.
2923         * toplev.c (backend_init_target): Don't call
2924         init_caller_save but set caller_save_initialized_p to false.
2925         * caller-save.c (caller_save_initialized_p): Define.
2926         (init_caller_save): Check caller_save_initialized_p.
2927         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2928
2929 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2930
2931         PR target/39048
2932         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2933         and soft-fp/t-softfp to tmake_file.
2934         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2935         (LIBGCC2_TF_CEXT): Define.
2936         (TF_SIZE): Define.
2937
2938 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2939
2940         PR debug/42977
2941         * cselib.c (n_useless_values): Document handling of debug locs.
2942         (n_useless_debug_values, n_debug_values): New variables.
2943         (new_elt_loc_list): Don't add to debug values, keep count.
2944         (promote_debug_loc): New.
2945         (cselib_reset_table): Zero new variables.
2946         (entry_and_rtx_equal_p): Promote debug locs.
2947         (discard_useless_locs): Increment n_useless_debug_values for
2948         debug values.
2949         (remove_useless_values): Adjust n_useless_values and n_debug_values
2950         with n_useless_debug_values.
2951         (add_mem_for_addr): Promote debug locs.
2952         (cselib_lookup_mem): Likewise.
2953         (cselib_lookup_addr): Renamed to...
2954         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2955         (cselib_log_lookup): ... this.  Turn into...
2956         (cselib_lookup_addr): ... new wrapper.
2957         (cselib_lookup_from_insn): New.
2958         (cselib_invalidate_regno): Increment n_useless_debug_values for
2959         debug values.
2960         (cselib_invalidate_mem): Likewise.
2961         (cselib_process_insn): Take n_deleted and n_debug_values into
2962         account to guard remove_useless_value call.
2963         (cselib_finish): Zero n_useless_debug_values.
2964         * cselib.h (cselib_lookup_from_insn): Declare.
2965         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2966         (sched_analyze_2): Likewise.
2967
2968 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2969
2970         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2971         functions.
2972         (adjust_mems): Replace narrowing SUBREG of expression containing
2973         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2974         with operations in the narrower mode.
2975
2976         PR debug/43593
2977         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2978         regs_invalidated_by_call instead all call_used_reg_set registers.
2979
2980 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2981
2982         PR middle-end/43430
2983         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2984         pointer comparisons with types_compatible_p.
2985         * tree-vect-stmts.c (vectorizable_call): Same.
2986         (vectorizable_condition): Same.
2987
2988 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2989
2990         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2991         stack check if the mask would be zero.
2992
2993 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2994             Jack Howarth <howarth@bromo.med.uc.edu>
2995
2996         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2997         variables TLS.
2998
2999 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3000
3001         PR other/25232
3002         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3003         and __unordtf2.
3004         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3005         Include ___unordxf2 and ___unordtf2.
3006         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3007         GCC_4.4.0 here.
3008
3009 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3010
3011         * config/lm32/t-lm32: New file.
3012         * config.gcc: Use the above file when targetting lm32.
3013
3014 2010-03-28  Duncan Sands  <baldrick@free.fr>
3015
3016         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3017
3018 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3019
3020         PR middle-end/43431
3021         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3022         Improve vectorization cost model diagnostic.
3023
3024 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         PR middle-end/43436
3027         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3028         compute_data_dependences_for_loop returns false, early exit
3029         and output an extra diagnostic for the failed data reference
3030         analysis.
3031
3032 2010-03-29  Richard Guenther  <rguenther@suse.de>
3033
3034         PR tree-optimization/43560
3035         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3036         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3037
3038 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3039
3040         PR 43564
3041         * toplev.c (process_options): Set optimization_default_node
3042         and optimization_current_node.
3043         * opts.c (decode_options): Don't set optimization_default_node
3044         and optimization_current_node.
3045
3046 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3047
3048         * config/rtems.h: Abandon -qrtems_debug.
3049
3050 2010-03-28  Jan Hubicka  <jh@suse.cz>
3051
3052         PR tree-optimization/43505
3053         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3054         map should not be copied.
3055
3056 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3057
3058         PR middle-end/41674
3059         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3060         cdtors, set DECL_PRESERVE_P.
3061         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3062         should be preseved.
3063
3064 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3065
3066         PR tree-optimization/43528
3067         * stor-layout.c (place_field): Check that constant fits into
3068         unsigned HWI when skipping calculation of MS bitfield layout.
3069
3070 2010-03-27  Jan Hubicka  <jh@suse.cz>
3071
3072         PR middle-end/43391
3073         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3074         notice_global_symbol work.
3075
3076 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3077
3078         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3079         instead of dwarf2out_decl.
3080         (struct var_loc_node): Remove section_label field.
3081         (dwarf2out_function_decl): New function.
3082         (dwarf2out_var_location): Don't set section_label field.
3083         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3084
3085 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3086
3087         PR tree-optimization/43544
3088         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3089         First argument for builtin vectorized function hook is now a
3090         tree to be able to distinguish between machine specific and
3091         standard builtins.
3092         * targhooks.c (default_builtin_vectorized_function): Ditto.
3093         * targhooks.h (default_builtin_vectorized_function): Ditto.
3094         * target.h (struct gcc_target): Ditto.
3095         * tree-vect-stmts.c (vectorizable_function): Ditto.
3096         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3097         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3098         Ditto.
3099
3100 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3101
3102         PR c/43381
3103         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3104         nested binding iff it is a FUNCTION_DECL.
3105         (store_parm_decls_newstyle): Pass nested=true to bind for
3106         FUNCTION_DECLs amongst parameters.
3107
3108 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3109
3110         * var-tracking.c (vt_expand_loc_callback): Don't run
3111         cselib_expand_value_rtx_cb in dummy mode if
3112         cselib_dummy_expand_value_rtx_cb returned false.
3113
3114         * var-tracking.c (emit_note_insn_var_location): For one part
3115         notes with offset 0, don't add EXPR_LIST around the location.
3116         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3117         add_location_or_const_value_attribute): Adjust for that change.
3118
3119         PR debug/43540
3120         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3121         into first operand and location into second.
3122         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3123         dw_cfi_oprnd_loc for DW_CFA_expression.
3124         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3125         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3126         assume first argument is regnum and second argument is location.
3127
3128 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3129
3130         PR target/42113
3131         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3132         of scratch register to DImode.  Split to DImode comparison operator.
3133         Use SImode subreg of scratch register in the multiplication.
3134         (*cmp_sadd_sidi): Ditto.
3135         (*cmp_ssub_si): Ditto.
3136         (*cmp_ssub_sidi): Ditto.
3137
3138 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3139
3140         PR target/43524
3141         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3142         Remove invalid assert and wrong comment.
3143
3144 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3145
3146         PR debug/43516
3147         * flags.h (final_insns_dump_p): New extern.
3148         * final.c (final_insns_dump_p): New variable.
3149         (rest_of_clean_state): Set it before -fdump-final-insns=
3150         dumping, clear afterwards.
3151         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3152         MEM_ALIAS_SET on MEMs.
3153
3154 2010-03-26  David S. Miller  <davem@davemloft.net>
3155
3156         * configure.ac: Fix sparc GOTDATA_OP bug check.
3157         * configure: Rebuild.
3158
3159 2010-03-26  Alan Modra  <amodra@gmail.com>
3160
3161         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3162
3163 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3164
3165         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3166         TLS_SECTION_ASM_FLAG.
3167
3168 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3169
3170         PR bootstrap/43511
3171         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3172         Clear first_function_block_is_cold.
3173
3174         PR c/43385
3175         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3176         argument if the argument is truth_value_p.
3177
3178 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3179
3180         * config/rs6000/constraints.md: Update copyright year for my changes.
3181
3182         PR target/43484
3183         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3184         used in reg+reg addressing, swap registers.
3185
3186 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR debug/43293
3189         * target.h (struct gcc_target): Add code_end hook.
3190         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3191         if not yet defined.
3192         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3193         * toplev.c (compile_file): Call targetm.asm_out.code_end
3194         hook before unwind info/debug info output.
3195         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3196         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3197         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3198         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3199         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3200         * config/i386/i386.c (ix86_file_end): Renamed to...
3201         (ix86_code_end): ... this.  Make static.  Don't call
3202         file_end_indicate_exec_stack.  Emit unwind info using
3203         final_start_function/final_end_function.
3204         (darwin_x86_file_end): Remove.
3205         (TARGET_ASM_CODE_END): Define.
3206         * config/i386/i386.h (TARGET_ASM_FILE_END,
3207         NEED_INDICATE_EXEC_STACK): Don't define.
3208         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3209         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3210         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3211         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3212
3213         PR target/43498
3214         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3215         at the beginning and final_end_function at the end.
3216         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3217
3218 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3219
3220         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3221         and Sun as TLS syntax.
3222         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3223         * configure: Regenerate.
3224         * config.in: Regenerate.
3225         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3226         (default_elf_asm_named_section): Use it.
3227         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3228         (i386_output_dwarf_dtprel): Likewise.
3229         (output_addr_const_extra): Likewise.
3230         (output_pic_addr_const): Lowercase @GOTTPOFF.
3231         (output_addr_const_extra): Likewise.
3232         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3233         (output_addr_const_extra): Likewise.
3234         (output_pic_addr_const): Lowercase @INDNTPOFF.
3235         (output_addr_const_extra): Likewise.
3236         (output_pic_addr_const): Lowercase @NTPOFF.
3237         (output_addr_const_extra): Likewise.
3238         (output_pic_addr_const): Lowercase @TPOFF.
3239         (output_addr_const_extra): Likewise.
3240         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3241         (*tls_global_dynamic_64): Likewise.
3242         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3243         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3244
3245         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3246         (ASM_OUTPUT_TLS_COMMON): Use it.
3247         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3248
3249         PR target/38118
3250         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3251         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3252         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3253         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3254         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3255         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3256
3257 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3258
3259         * config/i386/i386.c (override_options): Don't accept
3260         -mtls-dialect=sun any longer.
3261         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3262         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3263         (*tls_local_dynamic_base_32_sun): Likewise.
3264         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3265
3266 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3267
3268         PR debug/43508
3269         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3270         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3271
3272         PR debug/43479
3273         * ira.c (adjust_cleared_regs): New function.
3274         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3275
3276         PR debug/19192
3277         PR debug/43479
3278         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3279         from gimple_block.
3280         * expr.c (expand_expr_real): Restore previous
3281         curr_insn_source_location and curr_insn_block after
3282         expand_expr_real_1 call.
3283         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3284         instead of expand_expr_real_1.
3285
3286 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3287
3288         PR rtl-optimization/43413
3289         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3290         hard regs too.
3291
3292 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3293
3294         PR target/43348
3295         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3296         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3297
3298 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3299
3300         * config/i386/i386.c (ix86_target_string): Add -mfma.
3301         Fix a typo in comment.
3302
3303 2010-03-22  Mike Stump  <mikestump@comcast.net>
3304
3305         PR target/23071
3306         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3307         Don't overly align based upon packed packed fields.
3308
3309 2010-03-22  Jason Merrill  <jason@redhat.com>
3310
3311         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3312         Use () rather than [], and move before the element type.
3313
3314 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3315
3316         * doc/configfiles.texi (Configuration Files): Removed
3317         fixinc/Makefile*, intl/Makefile.*.
3318         * doc/makefile.texi: Fixed markup. Abstract from version
3319         control system used.
3320         (Makefile): Removed obsolete gcc/java/parse.y example.
3321         * doc/sourcebuild.texi: Likewise.
3322         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3323         libgomp, libssp.  Removed fastjar.
3324         (Miscellaneous Docs): Clarify location.
3325         Added COPYING3, COPYING3.LIB.
3326         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3327
3328 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3329
3330         PR target/38085
3331         * config/i386/i386.c (x86_function_profiler)
3332         [!NO_PROFILE_COUNTERS]: Fix typo.
3333         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3334         instead of callq.
3335
3336 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3337             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3338
3339         * doc/sourcebuild.texi (Test Directives): Split into six
3340         subsections, with most of the current text in new subsections
3341         Directives, Selectors, and Final Actions.
3342         (Directives): Split list of test directives into multiple
3343         subsubsections.
3344         (Selectors): Describe use and syntax of selectors.
3345         (Effective-Target Keywords): Describe all existing keywords.
3346         (Add Options): Describe features for dg-add-options.
3347         (Require Support): Describe variants of dg-require-support.
3348         (Final Actions): Describe commands to use in dg-final.
3349
3350 2010-03-22  Michael Matz  <matz@suse.de>
3351
3352         PR middle-end/43475
3353         * recog.c (validate_replace_rtx_group): Replace also in
3354         REG_EQUAL and REG_EQUIV notes.
3355
3356 2010-03-22  Richard Guenther  <rguenther@suse.de>
3357
3358         PR tree-optimization/43390
3359         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3360         sure vector extracts are type correct.
3361
3362 2010-03-22  Richard Guenther  <rguenther@suse.de>
3363
3364         PR middle-end/40106
3365         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3366         x * sqrt (x) even when optimizing for size if the target
3367         has native support for sqrt.
3368
3369 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3370
3371         * varasm.c (make_decl_rtl_for_debug): Also clear
3372         flag_mudflap for the duration of make_decl_rtl call.
3373
3374         PR debug/43443
3375         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3376         locs from preserved VALUEs.
3377
3378 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3379
3380         PR middle-end/42718
3381         * pa.md (movmemsi): Set align to one if zero.
3382         (movmemdi): Likewise.
3383
3384 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3385
3386         PR target/42321
3387         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3388         with their corresponding prologue pushes.
3389
3390 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3391
3392         PR target/43156
3393         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3394         at the begining or end.
3395         (spu_expand_epilogue): Likewise.
3396
3397 2010-03-20  Richard Guenther  <rguenther@suse.de>
3398
3399         PR rtl-optimization/43438
3400         * combine.c (make_extraction): Properly zero-/sign-extend an
3401         extraction of the low part of a CONST_INT.  Also handle
3402         CONST_DOUBLE.
3403
3404 2010-03-19  Mike Stump  <mikestump@comcast.net>
3405
3406         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3407         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3408         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3409
3410 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3411
3412         PR c/43211
3413         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3414         an error.
3415
3416 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3417
3418         PR rtl-optimization/42258
3419         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3420         use that may match DEF.
3421
3422         PR target/40697
3423         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3424         the cost of loading the constant rather than assuming
3425         COSTS_N_INSNS (1).
3426         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3427         outer code is AND, do the same tests as the andsi3 expander and
3428         return COSTS_N_INSNS (1) if and is cheap.
3429
3430         * optabs.c (avoid_expensive_constant): Fix formatting.
3431
3432 2010-03-19  Michael Matz  <matz@suse.de>
3433
3434         PR c++/43116
3435         * attribs.c (decl_attributes): When rebuilding a function pointer
3436         type use the same qualifiers as the original pointer type.
3437
3438 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3439
3440         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3441         and is_gimple_ip_invariant_address.
3442
3443 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3444
3445         Revert
3446         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3447
3448         * config/arm/arm.c (arm_override_options): Turn off
3449         flag_dwarf2_cfi_asm for AAPCS variants.
3450
3451 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3452
3453         PR target/43399
3454         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3455         Use PRE_MODIFY instead of PRE_DEC.
3456         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3457         (vfp_emit_fstmd): Likewise.
3458
3459 2010-03-19  Michael Matz  <matz@suse.de>
3460
3461         PR target/43305
3462         * builtins.c (expand_builtin_interclass_mathfn,
3463         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3464         if that fails.
3465
3466 2010-03-19  Richard Guenther  <rguenther@suse.de>
3467
3468         PR tree-optimization/43415
3469         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3470         (phi_translate_1): ... this.
3471         (phi_translate): Move all caching here.  Cache all NARY
3472         and REFERENCE translations.
3473
3474 2010-03-19  David S. Miller  <davem@davemloft.net>
3475
3476         With help from Eric Botcazou.
3477         * config/sparc/sparc.c: Include dwarf2out.h.
3478         (emit_pic_helper): Delete.
3479         (pic_helper_symbol_name): Delete.
3480         (pic_helper_emitted_p): Delete.
3481         (pic_helper_needed): New.
3482         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3483         (get_pc_thunk_name): New.
3484         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3485         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3486         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3487         (sparc_expand_prologue): Update load_pic_register call.
3488         (sparc_output_mi_thunk): Likewise.
3489         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3490         thunk if possible.  Output CFI information as needed.
3491
3492 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3493             Jack Howarth <howarth@bromo.med.uc.edu>
3494
3495         PR target/36399
3496         * config/i386/i386.h: Fix ABI on darwin x86-32.
3497
3498 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3499
3500         * tree.h: Declare make_decl_rtl_for_debug.
3501         * varasm.c (make_decl_rtl_for_debug): New.
3502         * dwarf2out.c (rtl_for_decl_location): Call it.
3503         * cfgexpand.c (expand_debug_expr): Call it.
3504
3505 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3506
3507         PR bootstrap/43399
3508         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3509         mem_mode.
3510
3511         PR bootstrap/43403
3512         * var-tracking.c (vt_init_cfa_base): Do nothing if
3513         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3514
3515 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3516
3517         PR debug/42873
3518         * var-tracking.c (canonicalize_vars_star): New.
3519         (dataflow_post_merge_adjust): Use it.
3520
3521 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3522
3523         PR debug/43058
3524         * var-tracking.c (non_suitable_const): New function.
3525         (add_uses): For DEBUG_INSNs with constants, don't record any
3526         value, instead just the constant value itself.
3527         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3528         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3529         (emit_notes_in_bb): Likewise.
3530         (emit_note_insn_var_location): For onepart variables if
3531         cur_loc is a VOIDmode constant, use DECL_MODE.
3532
3533 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3534
3535         PR middle-end/42450
3536         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3537         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3538         all non-clones.  Moved call redirection...
3539         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3540         (cgraph_materialize_all_clones): Dispose of all
3541         combined_args_to_skip bitmaps.
3542         (verify_cgraph_node): Do not check for edges pointing to wrong
3543         nodes in inline clones.
3544         * tree-inline.c (copy_bb): Call
3545         cgraph_redirect_edge_call_stmt_to_callee.
3546         * ipa.c (cgraph_remove_unreachable_nodes): Call
3547         cgraph_node_remove_callees even when there are used clones.
3548
3549 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3550
3551         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3552
3553 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3554
3555         PR target/43383
3556         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3557         for 32bit.
3558
3559 2010-03-18  Michael Matz  <matz@suse.de>
3560
3561         PR middle-end/43419
3562         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3563         into sqrt(x) if we need to preserve signed zeros.
3564
3565 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3566             Eric Botcazou  <ebotcazou@adacore.com>
3567
3568         PR rtl-optimization/43360
3569         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3570         note if we don't know its invariant status.
3571
3572 2010-03-18  Michael Matz  <matz@suse.de>
3573
3574         PR tree-optimization/43402
3575         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3576         PHI chains of ssa names registered for update.
3577
3578 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3579
3580         PR target/42427
3581         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3582         non-offsettable and pre_modify update addressing.
3583         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3584         and "2" alternatives "#".
3585         (*movdd_softfloat32): Make all alternatives "#";
3586         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3587         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3588         (*movdf_softfloat32): Make all alternatives "#";
3589         (movdi): Use the new DIFD mode iterator to create a common splitter
3590         for movdi, movdf and movdd patterns.
3591
3592 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3593
3594         * common.opt (dumpdir): Remove redundant tab.
3595
3596 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3597
3598         PR tree-optimization/43347
3599         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3600         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3601
3602 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3603
3604         PR rtl-optimization/42216
3605         * regrename.c (create_new_chain): New function, broken out from...
3606         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3607         appending a use to an empty chain.
3608         (build_def_use): Remove previous changes that convert OP_INOUT to
3609         OP_OUT operands; instead detect the case where an OP_INOUT operand
3610         uses a previously untracked register and create an empty chain for it.
3611
3612 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3613
3614         * doc/extend.texi (Function Attributes): Rewrite unfinished
3615         sentence in ms_abi documentation.
3616
3617 2010-03-17  Alan Modra  <amodra@gmail.com>
3618
3619         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3620         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3621         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3622         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3623
3624 2010-03-16  Richard Henderson  <rth@redhat.com>
3625
3626         PR middle-end/43365
3627         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3628         (lower_try_finally): Save and restore eh_seq around the expansion
3629         of the try-finally.
3630
3631 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3632
3633         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3634         statements before splitting block.
3635
3636 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3637
3638         * doc/sourcebuild.texi (Testsuites): Fix markup.
3639         Use pathnames relative to gcc/testsuite.
3640         (Test Directives): Move description of how timeout is determined.
3641         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3642         (C Tests): Correct gcc.misc-tests directory.
3643         Framework tests now live in gcc.test-framework.
3644
3645 2010-03-16  Richard Guenther  <rguenther@suse.de>
3646
3647         PR middle-end/43379
3648         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3649         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3650
3651 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3652             Alexandre Oliva  <aoliva@redhat.com>
3653
3654         PR tree-optimization/42917
3655         * lambda-code.c (remove_iv): Skip debug statements.
3656         (lambda_loopnest_to_gcc_loopnest): Likewise.
3657         (not_interesting_stmt): Debug statements are not interesting.
3658
3659 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3660
3661         PR debug/43051
3662         PR debug/43092
3663         * cselib.c (cselib_preserve_constants,
3664         cfa_base_preserved_val): New static variables.
3665         (preserve_only_constants): New function.
3666         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3667         clear its REG_VALUES.  If cselib_preserve_constants, don't
3668         empty the whole hash table, but preserve there VALUEs with constants,
3669         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3670         (cselib_preserve_cfa_base_value): New function.
3671         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3672         (cselib_init): Change argument to int bitfield.  Set
3673         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3674         is in it.
3675         (cselib_finish): Clear cselib_preserve_constants and
3676         cfa_base_preserved_val.
3677         * cselib.h (enum cselib_record_what): New enum.
3678         (cselib_init): Change argument to int.
3679         (cselib_preserve_cfa_base_value): New prototype.
3680         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3681         * dse.c (dse_step1): Likewise.
3682         * cfgcleanup.c (thread_jump): Likewise.
3683         * sched-deps.c (sched_analyze): Likewise.
3684         * gcse.c (local_cprop_pass): Likewise.
3685         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3686         If FN is non-NULL, call the callback always and whenever it returns
3687         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3688         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3689         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3690         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3691         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3692         * var-tracking.c: Include recog.h.
3693         (bb_stack_adjust_offset): Remove.
3694         (vt_stack_adjustments): Don't call it, instead just gather the
3695         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3696         (adjust_stack_reference): Remove.
3697         (compute_cfa_pointer): New function.
3698         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3699         (struct adjust_mem_data): New type.
3700         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3701         functions.
3702         (get_address_mode): New function.
3703         (replace_expr_with_values): Use it.
3704         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3705         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3706         (adjust_sets): Remove.
3707         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3708         Use get_address_mode.
3709         (get_adjusted_src): Remove.
3710         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3711         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3712         (add_with_sets): Don't call adjust_sets.
3713         (fp_setter, vt_init_cfa_base): New functions.
3714         (vt_initialize): Change return type to bool.  Move most of pool etc.
3715         initialization to the beginning of the function from end.  Pass
3716         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3717         If !frame_pointer_needed, call vt_stack_adjustment before mos
3718         vector is filled, call vt_init_cfa_base if argp/framep has been
3719         eliminated to sp.  If frame_pointer_needed and argp/framep has
3720         been eliminated to hard frame pointer, set
3721         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3722         encountering fp setter in the prologue.  For MO_ADJUST, call
3723         log_op_type before pusing the op into mos vector, not afterwards.
3724         Call adjust_insn before cselib_process_insn/add_with_sets,
3725         call cancel_changes (0) afterwards.
3726         (variable_tracking_main_1): Adjust for vt_initialize calling
3727         vt_stack_adjustments and returning whether it succeeded or not.
3728
3729 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3730
3731         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3732         debug statements.
3733
3734 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3735
3736         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3737         has been set.
3738         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3739         drap_reg has not been set.
3740
3741 2010-03-15  Michael Matz  <matz@suse.de>
3742
3743         PR middle-end/43300
3744         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3745         use it to expand block copies.
3746         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3747         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3748         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3749
3750 2010-03-15  Richard Guenther  <rguenther@suse.de>
3751
3752         PR tree-optimization/43367
3753         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3754         elimination check.
3755
3756 2010-03-15  Richard Guenther  <rguenther@suse.de>
3757
3758         PR tree-optimization/43317
3759         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3760
3761 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3762
3763         PR tree-optimization/43141
3764         * tree-sra.c (create_abstract_origin): New function.
3765         (modify_function): Call create_abstract_origin.
3766
3767 2010-03-15  Chris Demetriou  <cgd@google.com>
3768
3769         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3770         wasn't copied.
3771
3772 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         PR middle-end/43354
3775         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3776         call insert_out_of_ssa_copy for default definitions.
3777
3778 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3779
3780         * graphite-clast-to-gimple.c (my_long_long): Defined.
3781         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3782         * graphite-sese-to-poly.c (my_long_long): Defined.
3783         (scop_ivs_can_be_represented): Use it.
3784
3785 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3786
3787         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3788         graphite-max-bbs-per-function, and loop-block-tile-size.
3789         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3790         with "maximum".
3791         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3792
3793 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3794
3795         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3796         forward declaration.
3797         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3798         (add_upper_bounds_from_estimated_nit): New.
3799         (build_loop_iteration_domains): Use it.
3800
3801 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3802
3803         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3804
3805 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3806
3807         PR middle-end/43306
3808         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3809         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3810
3811 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3812
3813         * graphite.c (graphite_initialize): To bound the number of bbs per
3814         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3815         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3816         * doc/invoke.texi: Document it.
3817
3818 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3819
3820         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3821         * graphite-sese-to-poly.h (build_poly_scop): Same.
3822
3823 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3826         the number of parameters in the scop.  Use as an upper bound
3827         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3828         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3829         * doc/invoke.texi: Document it.
3830
3831 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3832
3833         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3834         * doc/c-tree.texi: Remove.
3835         * doc/generic.texi: Merge c-tree.texi here.
3836         * doc/gccint.texi (Trees): Remove menu entry.
3837         (c-tree.texi): Remove @include.
3838         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3839         * doc/languages.texi (Reading RTL): Ditto.
3840
3841 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3842
3843         PR target/42869
3844         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3845
3846 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3847
3848         PR middle-end/42431
3849         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3850         code added to work around reload clobbering CONST insns.
3851
3852 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3853
3854         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3855         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3856         (cselib_preserve_only_values): Remove retain argument, don't
3857         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3858         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3859         * var-tracking.c (micro_operation): Move insn field before union.
3860         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3861         (struct variable_tracking_info_def): Remove n_mos field, change
3862         mos into a vector of micro_operations.
3863         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3864         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3865         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3866         changing into a vector.
3867         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3868         come before all other uops generated by add_stores.
3869         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3870         argument removal.
3871         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3872         a vector.  Run just one pass over the bbs instead of separate counting
3873         and computation phase.
3874         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3875
3876         PR debug/43329
3877         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3878         into *nonlocalized_list vector.
3879         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3880         even if origin is non-NULL.
3881         (gen_variable_die): Likewise.
3882         (process_scope_var): Don't change origin.
3883         (gen_decl_die): Likewise.
3884         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3885         before adding new edges instead of after it, fix moving over
3886         debug stmts.
3887
3888 2010-03-11  David S. Miller  <davem@davemloft.net>
3889
3890         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3891         of four.
3892         * configure: Rebuild.
3893
3894 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3895
3896         PR tree-optimization/43257
3897         * tree.c (assign_assembler_name_if_neeeded): New function.
3898         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3899         above new function.
3900         * tree.h (assign_assembler_name_if_neeeded): Declare.
3901         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3902         the function if needed.
3903
3904 2010-03-11  Chris Demetriou  <cgd@google.com>
3905
3906         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3907         include/stdint-gcc.h, and include/stdint.h world-readable.
3908
3909 2010-03-11  Richard Guenther  <rguenther@suse.de>
3910
3911         PR tree-optimization/43255
3912         * tree-vrp.c (process_assert_insertions_for): Do not insert
3913         asserts for trivial conditions.
3914
3915 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3916
3917         PR tree-optimization/43280
3918         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3919         generation.  Move calculation of size out of the if branch.
3920         (find_bswap): Modify compare number generation.
3921
3922 2010-03-11  Richard Guenther  <rguenther@suse.de>
3923
3924         PR lto/43200
3925         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3926         (input_gimple_stmt): Fixup handled component types during
3927         operand read.  Also fix up decls in ADDR_EXPRs.
3928
3929 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3930
3931         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3932         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3933
3934 2010-03-10  Jan Hubicka  <jh@suse.cz>
3935
3936         PR c/43288
3937         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3938         * varasm.c (get_variable_section): Don't do that here...
3939         (make_decl_rtl): ... and here.
3940         (do_assemble_alias): Produce decl RTL.
3941         (assemble_alias): Likewise.
3942
3943 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3944
3945         PR debug/43290
3946         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3947         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3948         of fde->vdrap_reg.
3949         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3950         (based_loc_descr): Only express drap or vdrap regno based expressions
3951         using DW_OP_fbreg when not optimizing.
3952         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3953         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3954         REG_CFA_SET_VDRAP note.
3955
3956 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3957
3958         PR tree-optimization/43236
3959         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3960         error in calculation of base address in reverse iteration case.
3961         (generate_builtin): Take number of latch executions if the statement
3962         is in the latch.
3963
3964 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3965
3966         PR middle-end/42859
3967         * tree-eh.c: Include pointer-set.h.
3968         (lower_eh_dispatch): Filter out duplicate case labels and
3969         remove the unneeded edge when the label is unused.  Return
3970         true when some edges are removed.
3971         (execute_lower_eh_dispatch): When any lowering resulted in
3972         removing an edge, also delete unreachable blocks.
3973
3974 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3975
3976         PR bootstrap/43287
3977         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3978         UNSPEC_MACHOPIC_OFFSET.
3979
3980 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3981
3982         PR target/43294
3983         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3984         (m68k_delegitimize_address): New function.
3985
3986 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3987
3988         PR debug/43299
3989         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3990
3991         PR debug/43299
3992         * var-tracking.c (adjust_sets): New function.
3993         (count_with_sets, add_with_sets): Use it.
3994         (get_adjusted_src): New inline function.
3995         (add_stores): Use it.
3996
3997         PR debug/43304
3998         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3999         call cselib_dummy_expand_value_rtx_cb instead of
4000         cselib_expand_value_rtx_cb.
4001
4002         PR debug/43293
4003         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4004         * config/i386/i386.c: Include debug.h and dwarf2out.h.
4005         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4006         and .cfi_endproc around the pic thunks.
4007         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4008         all queued unwind info register saves are saved before the call.
4009         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4010         considered as sp-=4 for unwind info and the pop as sp+=4 which
4011         also clobbers dest, but doesn't actually restore it.
4012
4013         PR debug/43290
4014         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4015         RTX_FRAME_RELATED_P.
4016
4017 2010-03-09  Jie Zhang  <jie@codesourcery.com>
4018
4019         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4020         whitespaces in output template.
4021
4022 2010-03-09  Jie Zhang  <jie@codesourcery.com>
4023
4024         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4025         out array boundary.
4026
4027 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
4028
4029         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4030         builtins.exp in a separate job.
4031
4032 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4033
4034         * graphite-sese-to-poly.c (add_param_constraints): Use
4035         lower_bound_in_type and upper_bound_in_type.
4036
4037 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4038
4039         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4040      &