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* doc/invoke.texi (-fipa-profile): Document.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-27  Jan Hubicka  <jh@suse.cz>
2
3         * doc/invoke.texi (-fipa-profile): Document.
4         * opts.c (decode_options): Enable ipa-profile at -O1.
5         * timevar.def (TV_IPA_PROFILE): Define.
6         * common.opt (fipa-profile): Add.
7         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method flag
8         for clones.
9         (cgraph_propagate_frequency): Handle only local ones.
10         * tree-pass.h (pass_ipa_profile): Declare.
11         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
12         (pass_ipa_profile): Use TV_IPA_PROFILE.
13         * ipa.c (ipa_profile): New function.
14         (gate_ipa_profile): Likewise.
15         (pass_ipa_profile): New global variable.
16         * passes.c (pass_ipa_profile): New.
17
18 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
19
20         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
21
22 2010-04-27  Martin Jambor  <mjambor@suse.cz>
23
24         PR middle-end/43812
25         * ipa.c (dissolve_same_comdat_group_list): New function.
26         (function_and_variable_visibility): Call
27         dissolve_same_comdat_group_list when comdat group contains external or
28         newly local nodes.
29         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
30         lists are circular and that they contain only DECL_ONE_ONLY nodes.
31
32 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
33
34         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
35         (const_hash_1) <VECTOR_CST>: New case.
36         (compare_constant) <VECTOR_CST>: Likewise.
37         <ADDR_EXPR>: Deal with LABEL_REFs.
38         (copy_constant) <VECTOR_CST>: New case.
39
40 2010-04-27  Jan Hubicka  <jh@suse.cz>
41
42         * cgraph.c (cgraph_propagate_frequency): New function.
43         * cgraph.h (cgraph_propagate_frequency): Declare.
44         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
45         cgraph_propagate_frequency.
46
47 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
48
49         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
50
51 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
52
53         PR target/40657
54         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
55         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
56         here to determine which regs to push and how much stack to reserve.
57
58 2010-04-27  Jie Zhang  <jie@codesourcery.com>
59
60         * doc/gimple.texi (gimple_statement_with_ops): Remove
61         addresses_taken field.
62         (gimple_statement_with_memory_ops): Likewise.
63
64 2010-04-27  Jan Hubicka  <jh@suse.cz>
65
66         * tree-inline.c (eni_inlining_weights): Remove.
67         (estimate_num_insns): Special case more builtins.
68
69 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
70         
71         PR c/32207
72         * c-typeck.c (build_binary_op): Move forward check for comparison
73         pointer with null pointer constant and adjust the diagnostic message.
74
75 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
76
77         PR lto/42776
78         * configure.ac (gcc_cv_as_section_has_align): Set if installed
79         binutils supports extended .section directive needed by LTO, or
80         warn if older binutils found.
81         (LTO_BINARY_READER): New AC_SUBST'd variable.
82         (LTO_USE_LIBELF): Likewise.
83         * gcc/config.gcc (lto_binary_reader): New target-specific configure
84         variable.
85         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
86         (LTO_USE_LIBELF): Likewise.
87         * configure: Regenerate.
88
89         * collect2.c (is_elf): Rename from this ...
90         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
91          object files in addition to ELF-formatted ones.
92         (scan_prog_file): Caller updated.  Also allow for LTO info marker
93         symbol to be prefixed or not by an extra underscore.
94
95         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
96         * config/i386/winnt.c: Also #include lto-streamer.h
97         (i386_pe_asm_named_section): Specify 1-byte section alignment for
98         LTO named sections.
99         (i386_pe_asm_output_aligned_decl_common): Add comment.
100         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
101
102 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
103
104         PR target/43889
105         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
106         Add missing earlyclobber for second alternative.
107
108 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
109
110         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
111         bits for artificial defs at the top of the block.
112         * fwprop.c (single_def_use_enter_block): Don't call it.
113
114 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
115
116         PR 43715
117         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
118         instead of "$gcc_cv_objdump -T".
119         Use "-undefined dynamic_lookup" on darwin.
120         * gcc/configure: Regenerate.
121
122 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
123
124         PR c/43893
125         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
126
127 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
128
129         * c-parser.c (struct c_token): Move location field up.
130         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
131         (struct c_declspecs): Convert typespec_word, storage_class, and
132         default_int_p into bitfields.
133         (struct c_declarator): Move loc field up.
134
135 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
136
137         * cfgloop.h (struct loop): Move can_be_parallel field up.
138         * ipa-prop.h (struct ip_node_params): Move bitfields up.
139         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
140         down.
141         (struct iv_cand): Convert pos field into a bitfield.
142         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
143         field up.
144         (struct _stmt_vec_info): Shuffle fields for better packing.
145
146 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
147
148         * varasm.c (IN_NAMED_SECTION): Remove guard.
149         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
150         (IN_NAMED_SECTION_P): ...this.
151         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
152         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
153
154 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
155
156         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
157         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
158         of shadowing it.  Fix comments.
159
160 2010-04-26  Jan Hubicka  <jh@suse.cz>
161
162         * cgraph.c (cgraph_create_node): Set node frequency to normal.
163         (cgraph_clone_node): Copy function frequency.
164         * cgraph.h (node_frequency): New enum
165         (struct cgraph_node): Add.
166         * final.c (rest_of_clean_state): Update.
167         * lto-cgraph.c (lto_output_node): Output node frequency.
168         (input_overwrite_node): Input node frequency.
169         * tre-ssa-loop-ivopts (computation_cost): Update.
170         * lto-streamer-out.c (output_function): Do not output function
171         frequency.
172         * predict.c (maybe_hot_frequency_p): Update and handle functions
173         executed once.
174         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
175         attribute lookup.
176         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
177         (compute_function_frequency): Set noreturn functions to be executed
178         once.
179         (choose_function_section): Update.
180         * lto-streamer-in.c (input_function): Do not input function frequency.
181         * function.c (allocate_struct_function): Do not initialize function
182         frequency.
183         * function.h (function_frequency): Remove.
184         (struct function): Remove function frequency.
185         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
186         (try_update): Update.
187         * tree-inline.c (initialize_cfun): Do not update function frequency.
188         * passes.c (pass_init_dump_file): Update.
189         * i386.c (ix86_compute_frame_layout): Update.
190         (ix86_pad_returns): Update.
191
192 2010-04-26  Jie Zhang  <jie@codesourcery.com>
193
194         PR tree-optimization/43833
195         * tree-vrp.c (range_int_cst_p): New.
196         (range_int_cst_singleton_p): New.
197         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
198         when both operands are constants.  Use range_int_cst_p in
199         BIT_IOR_EXPR case.
200
201 2010-04-26  Jan Hubicka  <jh@suse.cz>
202
203         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
204
205 2010-04-26  Richard Guenther  <rguenther@suse.de>
206
207         PR lto/43080
208         * gimple.c (gimple_decl_printable_name): Deal gracefully
209         with a NULL DECL_NAME.
210
211 2010-04-26  Richard Guenther  <rguenther@suse.de>
212
213         PR lto/42425
214         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
215         if emitting debug information and it is either a function
216         or a namespace decl.
217
218 2010-04-26  Ira Rosen  <irar@il.ibm.com>
219
220         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
221         determine if the statement is vectorizable, and a macro to 
222         access it.
223         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
224         Skip statements that can't be vectorized. If the analysis 
225         fails, mark the statement as unvectorizable if vectorizing 
226         basic block.
227         (vect_compute_data_refs_alignment): Likewise.
228         (vect_verify_datarefs_alignment): Skip statements marked as 
229         unvectorizable. Add print.
230         (vect_analyze_group_access): Skip statements that can't be 
231         vectorized. If the analysis fails, mark the statement as 
232         unvectorizable if vectorizing basic block.
233         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
234         Likewise.
235         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
236         generated stmts for SLP.
237         (new_stmt_vec_info): Initialize the new field.
238         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
239         statements marked as unvectorizable.
240
241 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
242
243         * c-common.c (flag_isoc1x): New.
244         (flag_isoc99): Update comment.
245         * c-common.h (flag_isoc1x): New.
246         (flag_isoc99): Update comment.
247         * c-cppbuiltin.c (builtin_define_float_constants): Also define
248         __<type>_DECIMAL_DIG__.
249         * c-opts.c (set_std_c1x): New.
250         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
251         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
252         * c.opt (-std=c1x, -std=gnu1x): New options.
253         * doc/cpp.texi: Mention -std=c1x.
254         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
255         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
256         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
257         * doc/standards.texi: Mention C1X.
258         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
259         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
260         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
261         Define for C1X.
262
263 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
264
265         * config/i386/gmon-sol2.c (_mcleanup): Change format string
266         placeholder from 0x%x to %#x.
267         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
268         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
269         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
270         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
271         * config/i386/i386.c (ix86_target_string): Ditto.
272         (output_pic_addr_const): Ditto.
273         (print_operand): Ditto.
274
275 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
276
277         * combine.c (find_split_point): Add third argument.  Use it
278         to find nested multiply-accumulate instructions.  Adjust calls.
279         (try_combine): Adjust call to find_split_point.
280
281 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
282
283         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
284
285 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
286
287         PR tree-optimization/41442
288         * fold-const.c (merge_truthop_with_opposite_arm): New function.
289         (fold_binary_loc): Call it.
290
291 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
292
293         * toplev.c (general_init): Set default for fdiagnostics-show-option.
294         * opts.c (common_handle_option): Allow disabling it.
295         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
296
297 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
298
299         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
300         between modes if both types are integral.
301
302 2010-04-23  Richard Guenther  <rguenther@suse.de>
303
304         PR tree-optimization/43572
305         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
306
307 2010-04-23  Richard Guenther  <rguenther@suse.de>
308
309         PR lto/43455
310         * tree-inline.c (tree_can_inline_p): Also check compatibility
311         of return types.
312
313 2010-04-23  Martin Jambor  <mjambor@suse.cz>
314
315         PR tree-optimization/43846
316         * tree-sra.c (struct access): New flag grp_assignment_read.
317         (build_accesses_from_assign): Set grp_assignment_read.
318         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
319         (enum mark_read_status): New type.
320         (analyze_access_subtree): Propagate grp_assignment_read, create
321         accesses also if both direct_read and root->grp_assignment_read.
322
323 2010-04-23  Martin Jambor  <mjambor@suse.cz>
324
325         PR middle-end/43835
326         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
327         function does not have type attributes.
328
329 2010-04-23  Richard Guenther  <rguenther@suse.de>
330
331         PR lto/42653
332         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
333         of FUNCTION_DECLs.
334
335 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
336
337         * sese.h (create_if_region_on_edge): Remove.
338
339         * sese.c (create_if_region_on_edge): Make static.
340
341         * tree-inline.c: Do not include ggc.h.
342
343         * expr.c: Do not include ggc.h.
344
345         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
346         dependencies.
347
348 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
349
350         PR target/43744
351         * config/sh/sh.c (find_barrier): Don't emit a constant pool
352         in the middle of insns for casesi_worker_2.
353
354 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
355
356         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
357
358 2010-04-22  Ira Rosen  <irar@il.ibm.com>
359
360         PR tree-optimization/43842
361         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
362         loop unrolling in update of exit phis. Fix comment.
363         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
364         least two reduction statements in the loop before starting SLP
365         analysis.
366
367 2010-04-22  Nick Clifton  <nickc@redhat.com>
368
369         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
370
371 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
372
373         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
374         to simplify a + ~a.
375
376 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
377
378         * tree-parloops.c (loop_parallel_p): New argument
379         parloop_obstack.  Pass it down.
380         (parallelize_loops): New variable parloop_obstack.  Initialize it,
381         pass it down, free it.
382
383         * tree-loop-linear.c (linear_transform_loops): Pass down
384         lambda_obstack.
385
386         * tree-data-ref.h (lambda_compute_access_matrices): New argument
387         of type struct obstack *.
388
389         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
390         scratch_obstack.  Initialize it, pass down, free it.
391
392         * lambda.h (lambda_loop_new): Remove.
393         (lambda_matrix_new, lambda_matrix_inverse)
394         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
395         argument of type struct obstack *.
396
397         * lambda-trans.c (lambda_trans_matrix_new): New argument
398         lambda_obstack.  Pass it down, use obstack allocation for ret.
399         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
400         it down.
401
402         * lambda-mat.c (lambda_matrix_get_column)
403         (lambda_matrix_project_to_null): Remove.
404         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
405         allocation for mat.
406         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
407         lambda_obstack.
408
409         * lambda-code.c (lambda_loop_new): New function.
410         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
411         (lambda_compute_auxillary_space, lambda_compute_target_space)
412         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
413         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
414         (build_access_matrix): New argument lambda_obstack.  Use obstack
415         allocation for am.
416         (lambda_compute_step_signs, lambda_compute_access_matrices): New
417         argument lambda_obstack.  Pass it down.
418
419 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
420
421         * optabs.h (expand_widening_mult): Declare.
422
423 2010-04-22  Richard Guenther  <rguenther@suse.de>
424
425         PR tree-optimization/43845
426         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
427         lookup the CALL_EXPR function and arguments.
428
429 2010-04-22  Nick Clifton  <nickc@redhat.com>
430
431         * config/stormy16/stormy16.c
432         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
433         * config/stormy16/stormy16.h: Tidy up formatting.
434         (DONT_USE_BUILTIN_SETJMP): Remove definition.
435         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
436         (ineqbranchsi): Delete pattern.
437         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
438         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
439         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
440         stormy16-lib2-ucmpsi2.c.
441
442 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
443
444         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
445         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
446         extra set merge_set_noclobber, and use it to relax the final test
447         slightly.
448         * df.h (df_simulate_find_noclobber_defs): Declare.
449         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
450         conditional defs.
451         (df_simulate_find_noclobber_defs): New function.
452
453 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
454
455         * config/i386/i386.md: Use {} around multi-line preparation statements.
456
457 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
458
459         * c-tree.h (push_init_level, pop_init_level, set_init_index)
460         (process_init_element): New argument of type struct obstack *.
461
462         * c-typeck.c (push_init_level, pop_init_level, set_designator)
463         (set_init_index, set_init_label, set_nonincremental_init)
464         (set_nonincremental_init_from_string, find_init_member)
465         (output_init_element, output_pending_init_elements)
466         (process_init_element): New argument braced_init_obstack.  Pass it
467         down.
468         (push_range_stack, add_pending_init): New argument
469         braced_init_obstack.  Use obstack allocation.
470
471         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
472         braced_init_obstack.  Pass it down.
473         (c_parser_braced_init): New variables ret, braced_init_obstack.
474         Initialize obstack, pass it down and finally free it.
475
476 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
477
478         PR middle-end/29274
479         * tree-pass.h (pass_optimize_widening_mul): Declare.
480         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
481         gate_optimize_widening_mul): New static functions.
482         (pass_optimize_widening_mul): New.
483         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
484         <case MULT_EXPR>: Remove support for widening multiplies.
485         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
486         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
487         simplify_gen_unary rather than directly building extensions.
488         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
489         WIDEN_MULT_EXPR.
490         * expmed.c (expand_widening_mult): New function.
491         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
492
493 2010-04-21  Jan Hubicka  <jh@suse.cz>
494
495         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
496         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
497         * lto-wpa-fixup.c: Remove.
498         * Makefile.in (lto-wpa-fixup.o): Remove.
499         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
500         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
501         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
502
503 2010-04-21  Jan Hubicka  <jh@suse.cz>
504
505         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
506         add write_optimization_summary, read_optimization_summary.
507         (ipa_write_summaries_of_cgraph_node_set): Remove.
508         (ipa_write_optimization_summaries): Declare.
509         (ipa_read_optimization_summaries): Declare.
510         * ipa-cp.c (pass_ipa_cp): Update.
511         * ipa-reference.c (pass_ipa_reference): Update.
512         * ipa-pure-const.c (pass_ipa_pure_const): Update.
513         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
514         Update.
515         * ipa-inline.c (pass_ipa_inline): Update.
516         * ipa.c (pass_ipa_whole_program): Update.
517         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
518         * passes.c (ipa_write_summaries_1): Do not test wpa.
519         (ipa_write_optimization_summaries_1): New.
520         (ipa_write_optimization_summaries): New.
521         (ipa_read_summaries): Do not test ltrans.
522         (ipa_read_optimization_summaries_1): New.
523         (ipa_read_optimization_summaries): New.
524
525 2010-04-21  Jan Hubicka  <jh@suse.cz>
526
527         * lto-cgraph.c (lto_output_node): Do not output comdat groups
528         for boundary nodes.
529         (output_cgraph): Do not arrange comdat groups for boundary nodes.
530
531 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
532
533         PR debug/40040
534         * dwarf2out.c (add_name_and_src_coords_attributes): Add
535         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
536
537 2010-04-21  Jan Hubicka  <jh@suse.cz>
538
539         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
540
541 2010-04-21  Jan Hubicka  <jh@suse.cz>
542
543         * varpool.c (decide_is_variable_needed): Variable is always needed
544         during ltrans.
545
546 2010-04-21  Jan Hubicka  <jh@suse.cz>
547
548         * opts.c (decode_options): Enable pure-const pass for whopr.
549
550 2010-04-21  Jan Hubicka  <jh@suse.cz>
551
552         * cgraph.c (dump_cgraph_node): Dump also assembler name.
553         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
554         at WPA dumping.
555         (cgraph_decide_inlining): Do not expect callee to be removed in all
556         cases.
557
558 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
559
560         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
561
562 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
563
564         * config/i386/i386.md (x86_shrd): Add athlon_decode and
565         amdfam10_decode attributes.
566
567 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
568
569         PR middle-end/43570
570         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
571         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
572         (lower_copyprivate_clauses): Use private var in outer
573         context instead of original var.  Make sure the types
574         are correct for VLAs.
575
576 2010-04-21  Richard Guenther  <rguenther@suse.de>
577
578         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
579         to non-pointer objects.
580
581 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
582
583         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
584         last chain entry if it starts with the still current label.
585         (add_location_or_const_value_attribute): Check that
586         loc_list->first->next is NULL instead of comparing ->first with ->last.
587         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
588         to add_var_loc_to_decl.
589
590         * dwarf2out.c (output_call_frame_info): For dw_cie_version
591         >= 4 add also address size and segment size fields into CIE header.
592
593         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
594         long as address size is the same as sizeof (void *) and
595         segment size is 0.
596         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
597         address size or segment size is unexpected, return DW_EH_PE_omit.
598         (classify_object_over_fdes): If get_cie_encoding returned
599         DW_EH_PE_omit, return -1.
600         (init_object): If classify_object_over_fdes returned -1,
601         pretend there were no FDEs at all.
602
603 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
604
605         * config/i386/i386.md (bswap<mode>2): Macroize expander from
606         bswap{si,di}2 using SWI48 mode iterator.
607         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
608         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
609         set modrm attribute of bswap insn to 0 and remove length attribute.
610         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
611         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
612         set mode attribute to <MODE> and remove length attribute.
613
614 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
615
616         PR rtl-optimization/43520
617         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
618         zero available registers.
619
620 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
621
622         * builtins.c (fold_builtin_cproj): Fold more cases.
623
624 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
625
626         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
627         (fold_builtin_1): Fold builtin cproj.
628         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
629         Use ATTR_CONST_NOTHROW_LIST.
630
631 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
632
633         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
634         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
635         ffsi2_no_cmove for !TARGET_CMOVE.
636         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
637         (ffssi2): Remove expander.
638         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
639         mode iterator.
640         (ctz<mode>2): Ditto from ctz{si,di}2.
641         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
642         mode iterator.
643         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
644         mode iterator.
645
646 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
647
648         * dwarf2out.c (AT_linkage_name): Define.
649         (clone_as_declaration): Handle DW_AT_linkage_name.
650         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
651         of DW_AT_MIPS_linkage_name.
652         (move_linkage_attr): Likewise.
653         (dwarf2out_finish): Likewise.
654
655 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
656
657         PR middle-end/41952
658         * fold-const.c (fold_comparison): New folding rule.
659
660 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
661
662         * double-int.h (double_int_setbit): Declare.
663         * double-int.c (double_int_setbit): New function.
664         * rtl.h (immed_double_int_const): Declare.
665         * emit-rtl.c (immed_double_int_const): New function.
666         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
667         and immed_double_int_const functions.
668         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
669         expand_copysign_bit):  (Ditto.).
670         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
671         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
672         * dojump.c (prefer_and_bit_test): (Ditto.).
673         * expr.c (convert_modes, reduce_to_bit_field_precision,
674         const_vector_from_tree): (Ditto.).
675         * expmed.c (mask_rtx, lshift_value): (Ditto.).
676
677 2010-04-20  Jan Hubicka  <jh@suse.cz>
678
679         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
680         (dump_cgraph_node): Dump new flags.
681         * cgraph.h (struct cgraph_node): Add flags
682         reachable_from_other_partition and in_other_partition.
683         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
684         other partition can not be removed.
685         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
686         the other partition must be output; silence sanity checking on
687         leaking functions bodies from other paritition.
688         * lto-cgraph.c (reachable_from_other_partition_p): New function.
689         (lto_output_node): Output new flags; do not sanity check that inline
690         clones are output; drop lto_forced_extern_inline_p code; do not mock
691         visibility flags at partition boundaries.
692         (add_node_to): New function.
693         (output_cgraph): Use it to sort functions so masters appear before
694         clones.
695         (input_overwrite_node): Input new flags.
696         * passes.c (ipa_write_summaries): Do not call
697         lto_new_extern_inline_states.
698         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
699         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
700         lto_forced_extern_inline_p): Kill.
701         * lto-streamer.h (lto_new_extern_inline_states,
702         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
703         lto_forced_extern_inline_p): Kill.
704
705 2010-04-20  Richard Guenther  <rguenther@suse.de>
706
707         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
708         from vars that can have pointers.
709         (process_constraint): Dump useless constraints.
710
711 2010-04-20  Richard Guenther  <rguenther@suse.de>
712
713         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
714         (dump_sa_points_to_info): Remove asserts.
715         (init_base_vars): nothing_id isn't an escape point nor does it
716         have pointers.
717
718 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
719
720         * tree.h (TYPE_REF_IS_RVALUE): Define.
721         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
722         should_move_die_to_comdat, prune_unused_types_walk): Handle
723         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
724         (modified_type_die, gen_reference_type_die): Emit
725         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
726         if TYPE_REF_IS_RVALUE and -gdwarf-4.
727
728 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
729
730         PR target/43635
731         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
732         calls for -fpic -m31 if they have been sibcall optimized.
733
734 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
735
736         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
737         ar.lc fixed and call-used.
738
739         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
740
741 2010-04-19  Jan Hubicka  <jh@suse.cz>
742
743         * opts.c (decode_options): Disable whpr incompatible passes.
744         * lto/lto.c (lto_1_to_1_map): Skip clones.
745         (read_cgraph_and_symbols): Do not mark everything as needed.
746         (do_whole_program_analysis): Do map only after optimizing;
747         set proper cgraph_state; use passmanager.
748
749 2010-04-19  DJ Delorie  <dj@redhat.com>
750
751         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
752         POINTER_PLUS_EXPR and fix them.
753
754 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
755
756         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
757         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
758         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
759         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
760         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
761         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
762         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
763         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
764         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
765         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
766         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
767
768 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
769
770         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
771         (check_cond_move_block): Likewise.
772         (cond_move_process_if_block): Likewise.
773         (noce_find_if_block): Improve formatting.
774         (find_if_header): Pass 0 to memset and tweak conditions.
775         (cond_exec_find_if_block): Fix long lines and tweak conditions.
776
777 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
778
779         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
780         for -gdwarf-4.
781
782         PR middle-end/43337
783         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
784         with non-local decl doesn't need chain.
785
786 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
787
788         * ira-color.c (allocno_reload_assign): Avoid accumulating
789         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
790
791 2010-04-19  Martin Jambor  <mjambor@suse.cz>
792
793         * gimple.h (create_tmp_reg): Declare.
794         * gimplify.c (create_tmp_reg): New function.
795         (gimplify_return_expr): Use create_tmp_reg.
796         (gimplify_omp_atomic): Likewise.
797         (gimple_regimplify_operands): Likewise.
798         * tree-dfa.c (make_rename_temp): Likewise.
799         * tree-predcom.c (predcom_tmp_var): Likewise.
800         (reassociate_to_the_same_stmt): Likewise.
801         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
802         (get_replaced_param_substitute): Likewise.
803         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
804         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
805         * tree-ssa-pre.c (get_representative_for): Likewise.
806         (create_expression_by_pieces): Likewise.
807         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
808         (create_tailcall_accumulator): Likewise.
809
810 2010-04-19  Martin Jambor  <mjambor@suse.cz>
811
812         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
813         new_stmt.
814         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
815
816 2010-04-19  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/43796
819         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
820         from SCEV in the lattice.
821         (vrp_visit_phi_node): Dump change.
822
823 2010-04-19  Richard Guenther  <rguenther@suse.de>
824
825         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
826         * configure: Re-generated.
827
828 2010-04-19  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/43783
831         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
832         constant ARRAY_REF operands two and three if possible.
833
834 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
835
836         PR target/43766
837         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
838
839 2010-04-19  Jie Zhang  <jie@codesourcery.com>
840
841         PR target/43662
842         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
843
844 2010-04-19  Ira Rosen  <irar@il.ibm.com>
845
846         PR tree-optimization/37027
847         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
848         and macro to access it.
849         (vectorizable_reduction): Add argument.
850         (vect_get_slp_defs): Likewise.
851         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
852         statements for possible use in SLP.
853         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
854         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
855         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
856         add new argument.
857         (vectorizable_reduction): Likewise.
858         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
859         vect_get_slp_defs.
860         (vectorizable_type_demotion, vectorizable_type_promotion,
861         vectorizable_store): Likewise.
862         (vect_analyze_stmt): Update call to vectorizable_reduction.
863         (vect_transform_stmt): Likewise.
864         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
865         (vect_build_slp_tree): Fix indentation. Check that there are no loads
866         from different interleaving chains in same node.
867         (vect_slp_rearrange_stmts): New function.
868         (vect_supported_load_permutation_p): Allow load permutations for
869         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
870         inside SLP nodes if necessary.
871         (vect_analyze_slp_instance): Handle reductions.
872         (vect_analyze_slp): Try to build SLP instances originating from groups
873         of reductions.
874         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
875         (vect_get_constant_vectors): Create initial vectors for reductions
876         according to reduction code. Add new argument.
877         (vect_get_slp_defs): Add new argument, pass it to
878         vect_get_constant_vectors.
879         (vect_schedule_slp_instance): Remove SLP tree root statements.
880
881 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
882
883         * tree.h (ENUM_IS_SCOPED): Define.
884         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
885         for ENUM_IS_SCOPED enums.
886
887 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
888
889         * fold-const.c (fold_comparison): Use ssizetype.
890         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
891         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
892         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
893         * tree-object-size.c (compute_object_sizes): Use size_type_node.
894
895         * tree.h (initialize_sizetypes): Remove parameter.
896         (build_common_tree_nodes): Remove second parameter.
897         * stor-layout.c (initialize_sizetypes): Remove parameter.
898         Always create an unsigned type.
899         (set_sizetype): Assert that the passed type is unsigned and simplify.
900         * tree.c (build_common_tree_nodes): Remove second parameter.
901         Adjust call to initialize_sizetypes.
902         * c-decl.c (c_init_decl_processing): Remove second argument in call to
903         build_common_tree_nodes.
904
905 2010-04-18  Matthias Klose  <doko@ubuntu.com>
906
907         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
908
909 2010-04-18  Ira Rosen  <irar@il.ibm.com>
910
911         PR tree-optimization/43771
912         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
913         load permutation doesn't have gaps.
914
915 2010-04-18  Jan Hubicka  <jh@suse.cz>
916
917         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
918         (sse_prologue_save_insn expander): Use new pattern.
919         (sse_prologue_save_insn1): New pattern and splitter.
920         (sse_prologue_save_insn): Update to deal also with 64bit aligned
921         blocks.
922         * i386.c (setup_incoming_varargs_64): Do not compute jump
923         destination here.
924         (ix86_gimplify_va_arg): Update alignment needed.
925         (ix86_local_alignment): Do not align all local arrays to 128bit.
926
927 2010-04-17  Jan Hubicka  <jh@suse.cz>
928
929         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
930
931 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
932
933         * arm.md (negdi2): Remove redundant code to force values into a
934         register.
935
936 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
937
938         * arm/bpabi.S: Add EABI alignment attributes to objects.
939         * arm/bpabi-v6m.S: Likewise.
940         * arm/crti.asm: Likewise.
941         * arm/crtn.asm: Likewise.
942         * arm/lib1funcs.asm: Likewise.
943         * arm/libunwind.S: Likewise.
944
945 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
946
947         * arm-protos.h (tune_params): New structure.
948         * arm.c (current_tune): New variable.
949         (arm_constant_limit): Delete.
950         (struct processors): Add pointer to the tune parameters.
951         (arm_slowmul_tune): New tuning option.
952         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
953         (all_cores): Adjust to pick up the tuning model.
954         (arm_constant_limit): New function.
955         (arm_override_options): Select the appropriate tuning model.  Delete
956         initialization of arm_const_limit.
957         (arm_split_constant): Use the new constant-limit model.
958         (arm_rtx_costs): Pick up the current tuning model.
959         * arm.md (is_strongarm, is_xscale): Delete.
960         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
961         for Xscale variant architectures.
962         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
963
964 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
965
966         * config/arm/arm.c (arm_gen_constant): Remove unused variable
967         can_shift.
968         (arm_rtx_costs_1): Remove unused variable extra_cost.
969         (arm_unwind_emit_set): Use variable offset.
970         (thumb1_output_casesi): Remove unused variable flags.
971
972 2010-04-16  Jeff Law  <law@redhat.com>
973
974         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
975         needing assignment rather than doing a two-phase assignment.  Remove
976         unused variable 'm'.
977
978 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
979
980         PR bootstrap/43767
981         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
982
983 2010-04-16  Doug Kwan  <dougkwan@google.com>
984
985         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
986         (next_operand_entry_id): New static variable.
987         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
988         (add_to_ops_vec): Assigned unique ID to operand entry.
989         (struct oecount_s): New field ID.
990         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
991         (undistribute_ops_list): Assign unique IDs to oecounts.
992         (init_reassoc): reset next_operand_entry_id.
993
994 2010-04-16  Doug Kwan  <dougkwan@google.com>
995
996         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
997         missing left parenthesis.
998
999 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1000
1001         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1002         *btdi_rex64 using SWI48 mode iterator.
1003         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1004         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1005         *jcc_btdi_mask_rex64.
1006
1007 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1008
1009         * double-int.h (tree_to_double_int): Convert to macro.
1010         * double-int.c (tree_to_double_int): Remove.
1011
1012 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1013
1014         PR debug/43762
1015         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1016         with want_address 2 and in case a single element list might be
1017         possible, call it again with want_address 0.
1018
1019 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1020
1021         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1022         case 'W' print operands for HI mode.
1023         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1024         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1025         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1026         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1027
1028         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1029
1030         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1031         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1032         #xx:3 and #xx:4 mode.
1033
1034         * config/h8300/h8300.md (inverted load with HImode dest): Add
1035         support for H8300SX.
1036
1037         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1038         satisfy 'U' constraint.
1039
1040 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1041
1042         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1043         * configure: Regenerate.
1044         * config.in: Regenerate.
1045         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1046         works.
1047
1048 2010-04-16  Richard Guenther  <rguenther@suse.de>
1049
1050         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1051         (struct tree_decl_common): ... here.
1052         (DECL_PT_UID): Adjust.
1053         (SET_DECL_PT_UID): Likewise.
1054         (DECL_PT_UID_SET_P): Likewise.
1055
1056 2010-04-16  Richard Guenther  <rguenther@suse.de>
1057
1058         PR tree-optimization/43572
1059         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1060         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1061         * tree-flow.h (is_call_clobbered): Remove.
1062         * tree-flow-inline.h (is_call_clobbered): Likewise.
1063         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1064         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1065         (execute_return_slot_opt): Adjust.
1066         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1067         check for call clobbered vars here.
1068         (find_tail_calls): Move tailcall verification to the
1069         proper place.
1070
1071 2010-04-16  Diego Novillo  <dnovillo@google.com>
1072
1073         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1074
1075 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1076
1077         PR target/40603
1078         * config/arm/arm.md (cbranchqi4): New pattern.
1079         * config/arm/predicates.md (const0_operand,
1080         cbranchqi4_comparison_operator): New predicates.
1081
1082 2010-04-16  Richard Guenther  <rguenther@suse.de>
1083
1084         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1085         (dump_gimple_stmt): Likewise.
1086
1087 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1088
1089         * recog.h (struct recog_data): New field is_operator.
1090         (struct insn_operand_data): New field is_operator.
1091         * recog.c (extract_insn): Set recog_data.is_operator.
1092         * genoutput.c (output_operand_data): Emit code to set the
1093         is_operator field.
1094         * reload.c (find_reloads): Use it rather than testing for an
1095         empty constraint string.
1096
1097         PR target/41514
1098         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1099         If the previous insn is a cbranchsi4_insn with the same arguments,
1100         omit the compare instruction.
1101
1102         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1103         register, inputs must be low registers and we need a low register
1104         scratch.  Handle alternative 2 like alternative 3.
1105
1106 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1107
1108         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1109         don't call get_addr on both.  If one expression is a VALUE and
1110         the other a REG, check VALUE's locs if the REG isn't among them.
1111
1112 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1113
1114         * config/sh/sh.h (sh_frame_pointer_required): New function.
1115         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1116         (flag_omit_frame_pointer) Set.
1117         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1118         (rounded_frame_size): Adjust size with outgoing_args_size.
1119         (sh_set_return_address): Must return from stack pointer.
1120         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1121         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1122         (ACCUMULATE_OUTGOING_ARGS): Define.
1123         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1124         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1125
1126 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1127
1128         PR target/43471
1129         * config/sh/sh.c (sh_legitimize_reload_address): Use
1130         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1131         Remove a unneeded check for offset_base.
1132
1133 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1134
1135         * configure: Regenerated.
1136
1137 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1138
1139         * config/s390/s390.c (s390_call_save_register_used): Switch back
1140         to HARD_REGNO_NREGS.
1141
1142 2010-04-15  Richard Guenther  <rguenther@suse.de>
1143
1144         * alias.c (alias_set_subset_of): Handle alias-set zero
1145         child properly.
1146
1147 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1148             Julian Brown  <julian@codesourcery.com>
1149
1150         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1151         alternatives according to use of high and low regs.
1152         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1153         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1154         optimizing for size on Thumb-2.
1155
1156 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1157
1158         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1159
1160 2010-04-15  Richard Guenther  <rguenther@suse.de>
1161
1162         * tree-ssa-structalias.c (struct variable_info): Add
1163         is_fn_info flag.
1164         (new_var_info): Initialize it.
1165         (dump_constraints): Support printing last added constraints.
1166         (debug_constraints): Adjust.
1167         (dump_constraint_graph): Likewise.
1168         (make_heapvar_for): Check for NULL cfun.
1169         (get_function_part_constraint): New function.
1170         (get_fi_for_callee): Likewise.
1171         (find_func_aliases): Properly implement IPA PTA constraints.
1172         (process_ipa_clobber): New function.
1173         (find_func_clobbers): Likewise.
1174         (insert_into_field_list_sorted): Remove.
1175         (create_function_info_for): Properly allocate vars for IPA mode.
1176         Do not use insert_into_field_list_sorted.
1177         (create_variable_info_for): Properly generate constraints for
1178         global vars in IPA mode.
1179         (dump_solution_for_var): Always dump the solution.
1180         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1181         (find_what_var_points_to): Adjust.
1182         (pt_solution_set): Change.
1183         (pt_solution_ior_into): New function.
1184         (pt_solution_empty_p): Export.
1185         (pt_solution_includes_global): Adjust.
1186         (pt_solution_includes_1): Likewise.
1187         (pt_solutions_intersect_1): Likewise.
1188         (dump_sa_points_to_info): Check some invariants.
1189         (solve_constraints): Move constraint dumping ...
1190         (compute_points_to_sets): ... here.
1191         (ipa_pta_execute): ... and here.
1192         (compute_may_aliases): Do not re-compute points-to info
1193         locally if IPA info is available.
1194         (ipa_escaped_pt): New global var.
1195         (ipa_pta_execute): Properly implement IPA PTA.
1196         * tree-into-ssa.c (dump_decl_set): Support dumping
1197         decls not in referenced-vars.
1198         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1199         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1200         (dump_points_to_solution): Likewise.
1201         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1202         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1203         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1204         (copy_decl_to_var): Copy DECL_PT_UID.
1205         (copy_result_decl_to_var): Likewise.
1206         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1207         (copy_node_stat): Copy it.
1208         * tree.h (DECL_PT_UID): New macro.
1209         (SET_DECL_PT_UID): Likewise.
1210         (DECL_PT_UID_SET_P): Likewise.
1211         (struct tree_decl_minimal): Add pt_uid member.
1212         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1213         (pt_solution_empty_p): Declare.
1214         (pt_solution_set): Adjust.
1215         (ipa_escaped_pt): Declare.
1216         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1217         * gimple-pretty-print.c (pp_points_to_solution): New function.
1218         (dump_gimple_call): Dump call clobber/use information.
1219         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1220         * tree-pass.h (TDF_ALIAS): New dump option.
1221         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1222         * doc/invoke.texi (-fipa-pta): Update documentation.
1223
1224 2010-04-15  Richard Guenther  <rguenther@suse.de>
1225
1226         * Makefile.in (OBJS-common): Add gimple-fold.o.
1227         (gimple-fold.o): New rule.
1228         * tree.h (maybe_fold_offset_to_reference,
1229         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1230         prototypes ...
1231         * gimple.h: ... here.
1232         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1233         may_propagate_address_into_dereference): Move prototypes ...
1234         * gimple.h: ... here.
1235         * tree-ssa-ccp.c (get_symbol_constant_value,
1236         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1237         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1238         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1239         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1240         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1241         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1242         gimplify_and_update_call_from_tree): Move ...
1243         * gimple-fold.c: ... here.  New file.
1244         (ccp_fold_builtin): Rename to ...
1245         (gimple_fold_builtin): ... this.
1246         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1247
1248 2010-04-15  Richard Guenther  <rguenther@suse.de>
1249
1250         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1251         fit_double_type, force_fit_type_double, add_double_with_sign,
1252         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1253         lrotate_double, rrotate_double, div_and_round_double): Move ...
1254         * double-int.c: ... here.
1255         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1256         add_double, neg_double, mul_double_with_sign, mul_double,
1257         lshift_double, rshift_double, lrotate_double, rrotate_double,
1258         div_and_round_double): Move prototypes ...
1259         * double-int.h: ... here.
1260
1261 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1262
1263         PR target/43742
1264         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1265         matching constraints to ensure inputs match the output.
1266
1267 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1268
1269         PR target/43742
1270         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1271         in an input-only operand.
1272
1273 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1274
1275         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1276         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1277         (double_int_negative_p): Convert to static inline function.
1278         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1279         (double_int_negative_p): Remove.
1280         * tree.h (lshift_double, rshift_double):
1281         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1282         * fold-const.c (fold_convert_const_int_from_real,
1283         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1284         (lshift_double): Change type of arith argument to bool.
1285         (rshift_double): Change type of arith argument to bool. Correct
1286         comment.
1287         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1288
1289 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1290
1291         PR target/21803
1292         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1293         at the start and end of the then/else blocks, and omit them from the
1294         conversion.
1295         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1296         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1297         (flow_find_head_matching_sequence): New function.
1298         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1299         * basic-block.h (flow_find_cross_jump,
1300         flow_find_head_matching_sequence): Declare functions.
1301
1302 2010-04-14  Jason Merrill  <jason@redhat.com>
1303
1304         PR c++/36625
1305         * c-common.c (attribute_takes_identifier_p): New fn.
1306         * c-common.h: Declare it.
1307
1308 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1309
1310         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1311         splitter condition.
1312         (*udivmod<mode>4): Ditto.
1313
1314 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1315
1316         * config/i386/i386.md (maxmin_int): Rename code attribute from
1317         maxminiprefix and update all users.
1318         (maxmin_float): Ditto from maxminfprefix.
1319         (logic): Ditto from logicprefix.
1320         (absneg_mnemonic): Ditto from absnegprefix.
1321         * config/i386/mmx.md: Update all users of maxminiprefix,
1322         maxminfprefix and logicprefix for rename.
1323         * config/i386/sse.md: Ditto.
1324         * config/i386/sync.md (sync_<code><mode>): Update for
1325         logicprefix rename.
1326
1327 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1328
1329         PR 42966
1330         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1331         warnings converted to errors.
1332
1333 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1334
1335         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1336         used insn_type variable.
1337         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1338         to avoid set-but-not-used warning.
1339
1340 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1341
1342         * df-core.c (df_ref_debug): Change format string placeholder
1343         from 0x%x to %#x.
1344         * dwarf2asm.c (dw2_asm_output_data_raw,
1345         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1346         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1347         * dwarf2out.c (output_cfi, output_cfi_directive,
1348         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1349         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1350         Ditto.
1351         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1352         * print-rtl.c (print_rtx): Ditto.
1353
1354 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1355
1356         PR middle-end/42694
1357         * builtins.c (expand_builtin_pow_root): New function to expand pow
1358         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1359         series of sqrt and cbrt calls under -ffast-math.
1360         (expand_builtin_pow): Call it.
1361
1362 2010-04-14  Michael Matz  <matz@suse.de>
1363
1364         PR tree-optimization/42963
1365         * tree-cfg.c (touched_switch_bbs): New static variable.
1366         (group_case_labels_stmt): New function broken out from ...
1367         (group_case_labels): ... here, use the above.
1368         (start_recording_case_labels): Allocate touched_switch_bbs.
1369         (end_recording_case_labels): Deallocate it, call
1370         group_case_labels_stmt.
1371         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1372
1373 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1374
1375         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1376         from insn template.
1377
1378 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1381
1382 2010-04-13  Jan Hubicka  <jh@suse.cz>
1383
1384         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1385         of optimized out static functions.
1386         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1387         cost computation.  Also sanity check for overflows.
1388         (update_caller_keys): Update cgraph_edge_badness call; properly
1389         update fibheap and sanity check that it is up to date.
1390         (add_new_edges_to_heap): Update cgraph_edge_badness.
1391         (cgraph_decide_inlining_of_small_function): Likewise;
1392         add sanity checking that badness in heap is up to date;
1393         improve dumping of reason; Update badness of calls to the
1394         offline copy of function currently inlined; dump badness
1395         of functions not inlined because of unit growth limits.
1396
1397 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1398
1399         PR middle-end/32628
1400         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1401         because of sign-extension change when converting to sizetype here...
1402         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1403
1404         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1405         the folding to constants.  Remove redundant final conversion.
1406         (fold_binary) <associate>: Do not associate if the re-association of
1407         constants alone overflows.
1408         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1409         to the end of the list.
1410         (multiple_of_p) <COND_EXPR>: New case.
1411
1412 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1413
1414         * opt-functions.awk (opt_sanitized_name): New.
1415         (opt_enum): New.
1416         * optc-gen.awk: Use it
1417         * opth-gen.awk: Use it.
1418
1419 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1420
1421         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1422         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1423         children.  Call replace_uses_with_default_def_ssa_name to handle
1424         SSA_NAES on lhs.
1425
1426 2010-04-13  Michael Matz  <matz@suse.de>
1427
1428         PR middle-end/43730
1429         * builtins.c (expand_builtin_interclass_mathfn): Also create
1430         a register if the predicate doesn't match.
1431
1432 2010-04-13  Diego Novillo  <dnovillo@google.com>
1433
1434         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1435         * c-pch.c: Include timevar.h.
1436         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1437         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1438         * ggc-common.c: Include timevar.h.
1439         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1440         * timevar.def (TV_PCH_SAVE): Define.
1441         (TV_PCH_CPP_SAVE): Define.
1442         (TV_PCH_PTR_REALLOC): Define.
1443         (TV_PCH_PTR_SORT): Define.
1444         (TV_PCH_RESTORE): Define.
1445         (TV_PCH_CPP_RESTORE): Define.
1446
1447 2010-04-13  Michael Matz  <matz@suse.de>
1448
1449         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1450         into MINUS_EXPRs.
1451         (can_reassociate_p): New function.
1452         (break_up_subtract_bb, reassociate_bb): Use it.
1453
1454 2010-04-13  Richard Guenther  <rguenther@suse.de>
1455
1456         PR bootstrap/43737
1457         * builtins.c (c_readstr): Fix assert.
1458
1459 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1462         when generating cltd insn.
1463
1464         (*ashl<mode>3_1): Remove special handling for register operand 2.
1465         (*ashlsi3_1_zext): Ditto.
1466         (*ashlhi3_1): Ditto.
1467         (*ashlhi3_1_lea): Ditto.
1468         (*ashlqi3_1): Ditto.
1469         (*ashlqi3_1_lea): Ditto.
1470         (*<shiftrt_insn><mode>3_1): Ditto.
1471         (*<shiftrt_insn>si3_1_zext): Ditto.
1472         (*<shiftrt_insn>qi3_1_slp): Ditto.
1473         (*<rotate_insn><mode>3_1): Ditto.
1474         (*<rotate_insn>si3_1_zext): Ditto.
1475         (*<rotate_insn>qi3_1_slp): Ditto.
1476
1477 2010-04-13  Richard Guenther  <rguenther@suse.de>
1478
1479         * tree-ssa-structalias.c (callused_id): Remove.
1480         (call_stmt_vars): New.
1481         (get_call_vi): Likewise.
1482         (lookup_call_use_vi): Likewise.
1483         (lookup_call_clobber_vi): Likewise.
1484         (get_call_use_vi): Likewise.
1485         (get_call_clobber_vi): Likewise.
1486         (make_transitive_closure_constraints): Likewise.
1487         (handle_const_call): Adjust to do per-call call-used handling.
1488         (handle_pure_call): Likewise.
1489         (find_what_var_points_to): Remove general callused handling.
1490         (init_base_vars): Likewise.
1491         (init_alias_vars): Initialize call_stmt_vars.
1492         (compute_points_to_sets): Process call-used and call-clobbered
1493         vars for call statements.
1494         (delete_points_to_sets): Free call_stmt_vars.
1495
1496 2010-04-13  Richard Guenther  <rguenther@suse.de>
1497
1498         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1499         Only add RW dependence for dependence distance zero.
1500         Adjust maximal vectorization factor according to dependences.
1501         Move alignment handling ...
1502         (vect_find_same_alignment_drs): ... here.  New function.
1503         (vect_analyze_data_ref_dependences): Adjust.
1504         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1505         (vect_analyze_data_refs): Adjust minimal vectorization factor
1506         according to data references.
1507         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1508         dependences before determining the vectorization factor.
1509         Analyze alignment after determining the vectorization factor.
1510         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1511         dependences before alignment.
1512         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1513         Adjust prototype.
1514         (vect_analyze_data_refs): Likewise.
1515         (MAX_VECTORIZATION_FACTOR): New define.
1516
1517 2010-04-13  Duncan Sands  <baldrick@free.fr>
1518
1519         * except.h (lang_eh_type_covers): Remove.
1520         * except.c (lang_eh_type_covers): Likewise.
1521
1522 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1523             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1524
1525         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1526         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1527         UNITS_PER_LONG where it is ABI relevant.
1528         (s390_return_addr_rtx): Likewise.
1529         (s390_back_chain_rtx): Likewise.
1530         (s390_frame_area): Likewise.
1531         (s390_frame_info): Likewise.
1532         (s390_initial_elimination_offset): Likewise.
1533         (save_gprs): Likewise.
1534         (s390_emit_prologue): Likewise.
1535         (s390_emit_epilogue): Likewise.
1536         (s390_function_arg_advance): Likewise.
1537         (s390_function_arg): Likewise.
1538         (s390_va_start): Likewise.
1539         (s390_gimplify_va_arg): Likewise.
1540         (s390_function_profiler): Likewise.
1541         (s390_optimize_prologue): Likewise.
1542         (s390_rtx_costs): Likewise.
1543         (s390_secondary_reload): Likewise.
1544         (s390_promote_function_mode): Likewise.
1545         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1546         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1547         registers available.
1548         (s390_unwind_word_mode): New function.
1549         (s390_function_value): Split 64 bit values into register pair if
1550         used as return value.
1551         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1552         function call parameters.  Handle parallels.
1553         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1554         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1555         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1556         (s390_expand_setmem): Remove unused variable src_addr.
1557         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1558         deal with 64 bit registers.
1559         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1560         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1561         (UNITS_PER_LONG): New macro.
1562         * libjava/include/s390-signal.h: Define extended ucontext
1563         structure containing the upper halfs of the 64 bit registers.
1564
1565 2010-04-13  Simon Baldwin  <simonb@google.com>
1566
1567         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1568
1569 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1570
1571         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1572         rvalue on the RHS if the LHS is of a non-renamable type.
1573         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1574
1575 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1576
1577         * gcc.c (cc1_options): Handle -iplugindir before processing
1578         the cc1 spec. Only add -iplugindir once.
1579         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1580         found.
1581         * common.opt (iplugindir): Remove `Separate' property, initialize.
1582         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1583         option.
1584         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1585         (distclean): Remove plugin dir.
1586         * doc/invoke.texi: Document -iplugindir.
1587
1588 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1589
1590         * doc/plugins.texi (Loading Plugins): Document short
1591         -fplugin=foo option.
1592         (Plugin API): Mention default_plugin_dir_name function.
1593
1594         * gcc.c (find_file_spec_function): Add new declaration.
1595         (static_spec_func): Use it for "find-file".
1596         (find_file_spec_function): Add new function.
1597         (cc1_options): Add -iplugindir option if -fplugin* options found.
1598
1599         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1600
1601         * plugin.c (add_new_plugin): Updated comment, and handle short
1602         plugin name.
1603         (default_plugin_dir_name): Added new function.
1604
1605         * common.opt (iplugindir): New option to set the plugin directory.
1606
1607 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1608
1609         * config/i386/i386.md (any_rotate): New code iterator.
1610         (rotate_insn): New code attribute.
1611         (rotate): Ditto.
1612         (SWIM124): New mode iterator.
1613         (<rotate_insn>ti3): New expander.
1614         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1615         any_rotate code iterator.
1616         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1617         using any_rotate code iterator and SWIM124 mode iterator.
1618         (ix86_rotlti3): New insn_and_split pattern.
1619         (ix86_rotrti3): Ditto.
1620         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1621         ix86_rotl{di,ti}3 patterns.
1622         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1623         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1624         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1625         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1626         code iterator and SWI mode iterator.
1627         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1628         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1629         code iterator.
1630         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1631         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1632         (bswap rotatert splitter): Add splitter.
1633         (bswap splitter): Macroize splitter using any_rotate code iterator.
1634         Add insn predicate to split only for TARGET_USE_XCHGB or when
1635         optimizing function for size.
1636
1637 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1638
1639         * config/pa/pa.c (emit_move_sequence): Remove use of
1640         deleted variable flag_argument_noalias.
1641
1642 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1643
1644         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1645         configurations.
1646         Add to unsupported targets list.
1647         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1648         sparc*-sun-solaris2.[567]* from target lists.
1649         * configure: Regenerate.
1650         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1651         removal.
1652         Remove Solaris 7 patch references.
1653         (Specific, sparc-sun-solaris2.7): Removed.
1654         (sparc-sun-solaris2*): Update Solaris 7 example.
1655         (sparc64-*-solaris2*): Likewise.
1656
1657 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1658
1659         * config.build (alpha*-dec-osf4*): Remove.
1660         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1661         of obsolete configurations.
1662         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1663         support.
1664         * config/alpha/t-osf4: Renamed to ...
1665         * config/alpha/t-osf5: ... this.
1666         * config/alpha/osf.h: Renamed to ...
1667         * config/alpha/osf5.h: ... this.
1668         Merged old osf5.h contents.
1669         Update comments.
1670         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1671         (EXTRA_SPECS): Removed.
1672         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1673         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1674         Document that.
1675
1676 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1677
1678         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1679
1680 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1681
1682         PR/43702
1683         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1684         __thiscall convention.
1685
1686 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1687
1688         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1689         orig_base.
1690         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1691
1692 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1693
1694         * function.c (assign_parms_initialize_all): Add unused attribute
1695         to fntype.
1696
1697 2010-04-12  Richard Guenther  <rguenther@suse.de>
1698
1699         * gsstruct.def (GSS_CALL): New.
1700         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1701         * gimple.h: Include tree-ssa-alias.h.
1702         (struct gimple_statement_call): New.
1703         (union gimple_statement_struct_d): Add gimple_call member.
1704         (gimple_call_reset_alias_info): Declare.
1705         (gimple_call_use_set): New function.
1706         (gimple_call_clobber_set): Likewise.
1707         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1708         * gimple.c (gimple_call_reset_alias_info): New function.
1709         (gimple_build_call_1): Call it.
1710         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1711         * tree-inline.c (remap_gimple_stmt): Likewise.
1712         (expand_call_inline): Remove callused handling.
1713         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1714         * tree-dfa.c (dump_variable): Likewise.
1715         * tree-parloops.c (parallelize_loops): Likewise.
1716         * tree-ssa.c (init_tree_ssa): Likewise.
1717         (delete_tree_ssa): Likewise.
1718         * tree-flow-inline.h (is_call_used): Remove.
1719         * tree-flow.h (struct gimple_df): Remove callused member.
1720         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1721         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1722         (ref_maybe_used_by_call_p_1): Simplify.
1723         (call_may_clobber_ref_p_1): Likewise.
1724         * tree-ssa-structalias.c (compute_points_to_sets): Set
1725         the call stmt used and clobbered sets.
1726         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1727         (find_tail_calls): Verify the tail call.
1728
1729 2010-04-12  Richard Guenther  <rguenther@suse.de>
1730
1731         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1732         single-iteration always-inline inlining.
1733         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1734         (cgraph_decide_inlining): Do not handle always-inline specially.
1735         (try_inline): Remove always-inline cycle detection special case.
1736         Do not recurse on always-inlines.
1737         (cgraph_early_inlining): Do not iterate if not optimizing.
1738         (cgraph_gate_early_inlining): remove.
1739         (pass_early_inline): Run unconditionally.
1740         (gate_cgraph_decide_inlining): New function.
1741         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1742         not inlining or optimizing.
1743         (cgraph_decide_inlining_of_small_functions): Also consider
1744         always-inline functions.
1745         (cgraph_default_inline_p): Return true for nodes which should
1746         disregard inline limits.
1747         (estimate_function_body_sizes): Assume zero size and time for
1748         nodes which are marked as disregarding inline limits.
1749         (cgraph_decide_recursive_inlining): Do not perform recursive
1750         inlining on always-inline nodes.
1751
1752 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1753
1754         PR bootstrap/43699
1755         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1756         for exprs satisfying handled_component_p.
1757
1758 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1759
1760         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1761         non-constant aggregate elements.
1762
1763         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1764         is a real initialization.
1765
1766 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1767
1768         PR c/36774
1769         * c-decl.c (start_function): Move forward check for nested function.
1770
1771 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1772
1773         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1774         * config/sh/sh.c: Include reload.h.
1775         (sh_legitimize_reload_address): New.
1776         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1777         sh_legitimize_reload_address.
1778
1779 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1780
1781         * config/sh/sh.md (*movqi_pop): New insn pattern.
1782         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1783
1784 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1785
1786         * config/i386/i386.md (any_shiftrt): New code iterator.
1787         (shiftrt_insn): New code attribute.
1788         (shiftrt): Ditto.
1789         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1790         using any_shiftrt code iterator.
1791         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1792         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1793         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1794         pattern from corresponding peephole2 patterns.
1795         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1796         using any_shiftrt code iterator.
1797         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1798         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1799         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1800         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1801         *{ashr,lshr}<mode>3_cmp_zext.
1802         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1803
1804 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1805
1806         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1807         scratch register.
1808         (*lshr<mode>3_cconly): Ditto.
1809
1810 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1811
1812         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1813         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1814         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1815         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1816         DWI mode iterator.
1817         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1818         from corresponding peephole2 patterns.
1819         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1820         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1821         and *lshrdi3_1_rex64 using SWI mode iterator.
1822         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1823         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1824         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1825         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1826         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1827         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1828         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1829         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1830         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1831         SWI mode iterator.
1832
1833 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1834
1835         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1836         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1837         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1838         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1839         DWI mode iterator.
1840         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1841         from corresponding peephole2 patterns.
1842         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1843         (ashrsi3_cvt): Rename from ashrsi3_31.
1844         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1845         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1846         and x86_64_shift_adj_3 using SWI48 mode iterator.
1847         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1848         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1849         and *ashrdi3_1_rex64 using SWI mode iterator.
1850         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1851         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1852         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1853         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1854         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1855         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1856         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1857         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1858         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1859         SWI mode iterator.
1860         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1861         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1862         x86_shift<mode>_adj_3 expanders.
1863
1864 2010-04-10  Wei Guozhi  <carrot@google.com>
1865
1866         PR target/42601
1867         * config/arm/arm.c (arm_pic_static_addr): New function.
1868         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1869         a static symbol.
1870         (arm_output_addr_const_extra): Output expression for new pattern.
1871         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1872
1873 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1874
1875         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1876         not enabled.
1877
1878         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1879         * web.c: Include "insn-config.h" and "recog.h".
1880         (union_match_dups): New function.
1881         (web_main): Call it.
1882         (union_defs): Don't try to recognize match_dups.
1883
1884         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1885         if doing so would replace the entire pattern.
1886
1887 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1888
1889         PR target/43707
1890         PR target/43709
1891         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1892         and splitter pattern.  Change splitter operand 1 predicate to
1893         nonmemory_operand.
1894
1895 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1896
1897         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1898         lattices are addresses of CONST_DECLs with the same initial value.
1899         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1900         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1901
1902 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1903             Bernd Schmidt  <bernds@codesourcery.com>
1904
1905         * loop-invariant.c (replace_uses): New static function.
1906         (move_invariant_reg): Use it to ensure we can replace the uses.
1907
1908 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1909
1910         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1911         function template.
1912         (picochip_override_options): Enable section anchors only above -O1.
1913         (picochip_reorg): Fixed a couple of build warnings.
1914
1915 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1916
1917         * configure.ac (plugin -rdynamic test): Log result.
1918         * configure: Regenerate.
1919         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1920         (RDYNAMIC_SPEC): Define.
1921         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1922
1923 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1924
1925         * configure.ac: Determine Sun ld version numbers.
1926         (comdat_group): Restrict GNU ld version checks to gld.
1927         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1928         (enable_comdat): Support --enable-comdat.
1929         * configure: Regenerate.
1930         * doc/install.texi (Configuration): Document --enable-comdat.
1931
1932 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1933
1934         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1935         * config/sol2-gld.h: ... here.
1936         * config.gcc (sparc*-*-solaris2*): Reflect this.
1937         (i[34567]86-*-solaris2*): Use it.
1938
1939 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1940
1941         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1942         setup_clocks_p.
1943         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1944
1945 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1946
1947         PR 42965
1948         * diagnostic.c (diagnostic_initialize): Initialize
1949         some_warnings_are_errors.
1950         (diagnostic_finish): New.
1951         (diagnostic_action_after_output): Call it before exiting.
1952         (diagnostic_report_diagnostic): Do not print message here. Set
1953         some_warnings_are_errors.
1954         * diagnostic.h (diagnostic_context): Delete
1955         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1956         (diagnostic_finish): Declare.
1957         * toplev.c (toplev_main): Call it before exit.
1958
1959 2010-04-09  Jason Merrill  <jason@redhat.com>
1960
1961         PR c++/42623
1962         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1963         for incomplete type.
1964
1965         PR c++/41788
1966         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1967         based on a warning flag.
1968
1969 2010-04-09  Richard Guenther  <rguenther@suse.de>
1970
1971         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1972
1973 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1974
1975         PR bootstrap/43684
1976         * varasm.c (default_assemble_visibility): Wrap vars that are
1977         set, but unused, by targets without GAS.
1978         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1979         Remove set, but unused, vars.
1980         (rs6000_legitimize_tls_address): Likewise.
1981         (altivec_expand_dst_builtin): Likewise.
1982         * config/darwin.c (machopic_classify_symbol): Likewise.
1983         (machopic_indirection_name): Likewise.
1984
1985 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1986
1987         * config/i386/i386.md (DWI): New mode iterator.
1988         (S): New mode attribute.
1989         (shift_operand): Ditto.
1990         (shift_immediate_operand): Ditto.
1991         (ashl_input_operand): Ditto.
1992         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1993         using SDWIM mode iterator.
1994         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1995         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1996         DWI mode iterator.
1997         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1998         from corresponding peephole2 patterns.
1999         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2000         and x86_64_shift_adj_1 using SWI48 mode iterator.
2001         (x86_shift<mode>_adj_2): Ditto.
2002         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2003         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2004         using SWI48 mode iterator.
2005         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2006         *ashldi3_cmp_rex64 using SWI mode iterator.
2007         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2008         *ashldi3_cconly_rex64 using SWI mode iterator.
2009         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2010         x86_shift<mode>_adj_{1,2}.
2011         (ix86_split_ashr): Ditto.
2012         (ix86_split_lshr): Ditto.
2013
2014 2010-04-09  Richard Guenther  <rguenther@suse.de>
2015
2016         * target.h (builtin_conversion): Pass in input and output types.
2017         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2018         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2019         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2020         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2021
2022         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2023         Handle AVX modes.
2024         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2025
2026 2010-04-09  Richard Guenther  <rguenther@suse.de>
2027
2028         PR target/43152
2029         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2030
2031 2010-04-09  Richard Guenther  <rguenther@suse.de>
2032
2033         * tree-vectorizer.h (struct _stmt_vec_info): Document
2034         that vectype is the type of the LHS.
2035         (supportable_widening_operation, supportable_narrowing_operation):
2036         Get both input and output vector types as arguments.
2037         (vect_is_simple_use_1): Declare.
2038         (get_same_sized_vectype): Likewise.
2039         * tree-vect-loop.c (vect_determine_vectorization_factor):
2040         Set STMT_VINFO_VECTYPE to the vector type of the def.
2041         (vectorizable_reduction): Adjust.
2042         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2043         Adjust.  Specify the output vector type.
2044         (vect_pattern_recog_1): Adjust.
2045         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2046         (vectorizable_call): Adjust.
2047         (vectorizable_conversion): Likewise.
2048         (vectorizable_operation): Likewise.
2049         (vectorizable_type_demotion): Likewise.
2050         (vectorizable_type_promotion): Likewise.
2051         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2052         the def.
2053         (vect_is_simple_use_1): New function.
2054         (supportable_widening_operation): Get both input and output
2055         vector types.
2056         (supportable_narrowing_operation): Likewise.
2057         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2058
2059 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2060
2061         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2062         __thiscall and _thiscall as predefined macros.
2063         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2064         thiscall attribute handling.
2065         (ix86_comp_type_attributes): Likewise.
2066         (ix86_function_regparm): Likewise.
2067         (ix86_return_pops_args): Likewise.
2068         (init_cumulative_args): Likewise.
2069         (find_drap_reg): Likewise.
2070         (ix86_static_chain): Likewise.
2071         (x86_this_parameter): Likewise.
2072         (x86_output_mi_thunk): Likewise.
2073         (ix86_attribute_table): Add description for thiscall attribute.
2074         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2075         * doc/extend.texi: Add documentation for thiscall.
2076
2077 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2078
2079         PR c++/28584
2080         * c.opt (Wint-to-pointer-cast): Available in C++.
2081         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2082
2083 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2084
2085         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2086         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2087         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2088         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2089         function type instead.  Reorder and simplify checks.
2090
2091         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2092
2093 2010-04-08  Jing Yu  <jingyu@google.com>
2094             Zdenek Dvorak  <ook@ucw.cz>
2095
2096         PR tree-optimization/42720
2097         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2098         loop unswitch conditions here from ...
2099         (tree_unswitch_single_loop): ... here.
2100
2101 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * tree-if-conv.c: Fix comments and simplify logic.
2104
2105 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2108         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2109         (main_tree_if_conversion): Update call to tree_if_conversion.
2110
2111 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2112
2113         PR 42485
2114         * doc/invoke.texi (-b,-V): Delete.
2115         * doc/tm.texi: Do not mention -b.
2116         * gcc.c (display_help): Delete -b and -V.
2117         (process_command): Delete -b and -V.
2118         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2119
2120 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2121             Wolfgang Gellerich  <gellerich@de.ibm.com>
2122
2123         Implement target hook for loop unrolling
2124         * target.h (loop_unroll_adjust): Add a new target hook function.
2125         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2126         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2127         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2128         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2129         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2130         target hook.
2131         (decide_unroll_stupid): Likewise.
2132
2133 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2134
2135         PR target/43643
2136         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2137
2138 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2139
2140         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2141         (Specific, *-*-solaris2*): Likewise.
2142         Don't prefer Sun as over GNU as.
2143
2144 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2145
2146         * config/s390/s390.c (override_options): Adjust the z10
2147           defaults for max-unroll-times, max-completely-peeled-insns
2148           and max-completely-peel-times.
2149
2150 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2151
2152         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2153         instructions for z10.
2154         (s390_expand_setmem): Likewise.
2155         (s390_expand_cmpmem): Likewise.
2156
2157 2010-04-08  Richard Guenther  <rguenther@suse.de>
2158
2159         PR tree-optimization/43679
2160         * tree-ssa-pre.c (eliminate): Only propagate copies.
2161
2162 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR bootstrap/43681
2165         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2166         set but not used variable warning.
2167
2168 2010-04-08  Wei Guozhi  <carrot@google.com>
2169
2170         PR target/41653
2171         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2172         (arm_size_rtx_costs): Call the new function when optimized for size.
2173
2174 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2175
2176         PR debug/43670
2177         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2178         op0 is not a MEM, just return NULL instead of assertion
2179         failure.
2180         (discover_nonconstant_array_refs): Don't walk debug stmts.
2181
2182 2010-04-08  Doug Kwan  <dougkwan@google.com>
2183
2184         * configure.ac: Recognize gold and do not use its version number
2185         to test ld features.
2186         * configure: Regenerate.
2187
2188 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2189
2190         PR middle-end/40815
2191         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2192         (negate_value): Move code to push elements to broken_up_substracts ...
2193         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2194         negative pair to plus_negates.
2195         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2196
2197 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2198
2199         * doc/install.texi (Configuration): Move description of
2200         --enable-lto, --with-libelf*, --enable-gold from Java section to
2201         general section.
2202
2203         * doc/generic.texi (Working with declarations)
2204         (Function Properties, C and C++ Trees): Fix typos.
2205         * doc/sourcebuild.texi (Top Level): Likewise.
2206
2207 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2208
2209         PR c/18624
2210         * tree.h (DECL_READ_P): Define.
2211         (struct tree_decl_common): Add decl_read_flag.
2212         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2213         a set but not used warning.
2214         (merge_decls): Merge DECL_READ_P flag.
2215         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2216         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2217         * c-common.c (handle_used_attribute, handle_unused_attribute):
2218         Likewise.
2219         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2220         New prototypes.
2221         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2222         New functions.
2223         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2224         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2225         c_parser_binary_expression, c_parser_cast_expression,
2226         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2227         Call default_function_array_read_conversion instead of
2228         default_function_array_conversion where needed.
2229         (c_parser_unary_expression, c_parser_conditional_expression,
2230         c_parser_postfix_expression_after_primary, c_parser_initelt):
2231         Likewise.  Call mark_exp_read where needed.
2232         (c_parser_statement_after_labels, c_parser_asm_operands,
2233         c_parser_typeof_specifier, c_parser_sizeof_expression,
2234         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2235         where needed.
2236         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2237         New.
2238         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2239         (warn_unused_but_set_parameter): Default to warn_unused
2240         && extra_warnings.
2241         * doc/invoke.texi: Document -Wunused-but-set-variable and
2242         -Wunused-but-set-parameter.
2243
2244         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2245         used count variable.
2246         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2247         when operandN variables aren't used in the body of the expander
2248         or splitter.
2249         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2250         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2251         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2252         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2253         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2254         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2255         * tree.c (PROCESS_ARG): Likewise.
2256
2257 2010-04-07  Simon Baldwin  <simonb@google.com>
2258
2259         * diagnostic.h (diagnostic_override_option_index): New macro to
2260         set a diagnostic's option_index.
2261         * c-tree.h (c_cpp_error): Add warning reason argument.
2262         * opts.c (_warning_as_error_callback): New.
2263         (register_warning_as_error_callback): Store callback for
2264         warnings enabled via enable_warning_as_error.
2265         (enable_warning_as_error): Call callback, minor code tidy.
2266         * opts.h (register_warning_as_error_callback): Declare.
2267         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2268         response to -Werror=.
2269         (c_common_init_options): Register warning_as_error_callback in opts.c.
2270         * common.opt: Add -Wno-cpp option.
2271         * c-common.c (struct reason_option_codes_t): Map cpp warning
2272         reason codes to gcc option indexes.
2273         * (c_option_controlling_cpp_error): New function, lookup the gcc
2274         option index for a cpp warning reason code.
2275         * (c_cpp_error): Add warning reason argument, call
2276         c_option_controlling_cpp_error for diagnostic_override_option_index.
2277         * doc/invoke.texi: Document -Wno-cpp.
2278
2279 2010-04-07  Richard Guenther  <rguenther@suse.de>
2280
2281         * ipa-reference.c (mark_load): Use get_base_address.
2282         (mark_store): Likewise.
2283
2284         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2285         inserting GIMPLE_NOPs into the IL.
2286         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2287         Explicitly strip handled components and indirect references.
2288
2289         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2290         folding address expressions.
2291         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2292         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2293         operand_equal_p to compare decls.
2294         (ptr_deref_may_alias_decl_p): Likewise.
2295         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2296         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2297         Handle reversed comparison ops.
2298         * tree-sra.c (asm_visit_addr): Use get_base_address.
2299         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2300         * ipa-reference.c (mark_address): Use get_base_address.
2301
2302 2010-04-07  Richard Guenther  <rguenther@suse.de>
2303
2304         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2305         Propagate constants everywhere.
2306
2307 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2308
2309         PR debug/43516
2310         * tree.c (MAX_INT_CACHED_PREC): Define.
2311         (nonstandard_integer_type_cache): New array.
2312         (build_nonstandard_integer_type): Cache results for precision
2313         <= MAX_INT_CACHED_PREC.
2314
2315 2010-04-07  Richard Guenther  <rguenther@suse.de>
2316
2317         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2318         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2319         * common.opt: Likewise.
2320         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2321         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2322         (nonoverlapping_memrefs_p): Likewise.
2323         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2324         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2325         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2326         OPT_fargument_noalias_global for backward compatibility.
2327
2328 2010-04-07  Richard Guenther  <rguenther@suse.de>
2329
2330         PR tree-optimization/43270
2331         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2332         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2333         * tree-ssa-pre.c (phi_translate_1): Adjust.
2334         (fully_constant_expression): Split out vn_reference handling to ...
2335         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2336         Fold reads from constant strings.
2337         (vn_reference_lookup): Handle fully constant references.
2338         (vn_reference_lookup_pieces): Likewise.
2339         * Makefile.in (expmed.o-warn): Add -Wno-error.
2340
2341 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2342
2343         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2344
2345 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2346
2347         PR driver/41594
2348         * gcc.c: Add -static-libstdc++ to list of recognized options.
2349
2350 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2351
2352         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2353
2354 2010-04-07  Richard Guenther  <rguenther@suse.de>
2355
2356         PR middle-end/42617
2357         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2358         bases build simple mem attributes to retain points-to information.
2359
2360 2010-04-07  Richard Guenther  <rguenther@suse.de>
2361
2362         PR middle-end/42617
2363         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2364         preserve points-to related information.
2365
2366 2010-04-07  Richard Guenther  <rguenther@suse.de>
2367
2368         PR middle-end/42617
2369         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2370         discard plain indirect references.
2371         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2372         * tree.c (tree_nop_conversion): Likewise.
2373
2374 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2375
2376         PR debug/43628
2377         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2378
2379 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2380
2381         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2382         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2383
2384 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2385
2386         * tree-if-conv.c: Fix indentation and comments.
2387
2388 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2389
2390         * tree-if-conv.c: Sort static functions in topological order.
2391
2392 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2393
2394         * tree-if-conv.c: Fix indentation and comments.
2395
2396 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         PR middle-end/43519
2399         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2400         lang_hooks.types.type_for_size instead of
2401         build_nonstandard_integer_type.
2402         When converting an unsigned type to signed, double its precision.
2403         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2404         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2405         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2406         use lb <= ub.
2407
2408 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2409
2410         PR middle-end/43519
2411         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2412         POINTER_PLUS_EXPR for pointer types.
2413
2414 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2415
2416         PR middle-end/43519
2417         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2418         * graphite-clast-to-gimple.c: Include langhooks.h.
2419         (max_signed_precision_type): New.
2420         (max_precision_type): Takes two types as arguments.
2421         (precision_for_value): New.
2422         (precision_for_interval): New.
2423         (gcc_type_for_interval): New.
2424         (gcc_type_for_value): New.
2425         (gcc_type_for_clast_term): New.
2426         (gcc_type_for_clast_red): New.
2427         (gcc_type_for_clast_bin): New.
2428         (gcc_type_for_clast_expr): Split up into several functions.
2429         (gcc_type_for_clast_eq): Rewritten.
2430         (compute_bounds_for_level): New.
2431         (compute_type_for_level_1): New.
2432         (compute_type_for_level): New.
2433         (gcc_type_for_cloog_iv): Removed.
2434         (gcc_type_for_iv_of_clast_loop): Rewritten.
2435         (graphite_create_new_loop): Compute the lower and upper bound types
2436         with gcc_type_for_clast_expr.
2437         (graphite_create_new_loop_guard): Same.
2438         (find_cloog_iv_in_expr): Removed.
2439         (compute_cloog_iv_types_1): Removed.
2440         (compute_cloog_iv_types): Removed.
2441         (gloog): Do not call compute_cloog_iv_types.
2442         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2443         GBB_CLOOG_IV_TYPES.
2444         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2445         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2446         (GBB_CLOOG_IV_TYPES): Removed.
2447
2448 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2449
2450         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2451         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2452         (detect_commutative_reduction): Same.
2453
2454 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2455
2456         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2457         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2458         argument.
2459         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2460         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2461         (rewrite_commutative_reductions_out_of_ssa): Same.
2462         * passes.c (execute_function_todo): Call verify_ssa for every pass
2463         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2464         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2465         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2466         with an extra argument.
2467         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2468         verify_ssa only when the extra argument is true.
2469         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2470         with an extra argument.
2471         (tree_transform_and_unroll_loop): Same.
2472
2473 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2474
2475         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2476         for all the passes of the LNO having LOOP_CLOSED_SSA.
2477         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2478         * tree-loop-distribution.c (pass_loop_distribution): Same.
2479         * tree-pass.h (TODO_verify_loops): Removed.
2480         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2481         (pass_lim): Same.
2482         (pass_tree_unswitch): Same.
2483         (pass_predcom): Same.
2484         (pass_vectorize): Same.
2485         (pass_linear_transform): Same.
2486         (pass_graphite_transforms): Same.
2487         (pass_iv_canon): Same.
2488         (pass_complete_unroll): Same.
2489         (pass_complete_unrolli): Same.
2490         (pass_parallelize_loops): Same.
2491         (pass_loop_prefetch): Same.
2492         (pass_iv_optimize): Same.
2493
2494 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2495
2496         PR middle-end/32824
2497         * passes.c (init_optimization_passes): Move pass_lim before
2498         pass_copy_prop and pass_dce_loop.
2499
2500 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR target/43667
2503         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2504         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2505         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2506         MULTI_* defines for 4 argument vpermil2p* builtins.
2507
2508 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2511         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2512         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2513         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2514         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2515         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2516         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2517         Use x86_maybe_negate_const_int to output insn mnemonic.
2518         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2519         check from instruction predicate.  Update comments.
2520         * config/i386/sync.md (sync_add<mode>): Use
2521         x86_maybe_negate_const_int to output insn mnemonic.
2522
2523 2010-04-06  Jan Hubicka  <jh@suse.cz>
2524
2525         PR tree-optimization/42906
2526         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2527         IGNORE_SELF argument.  Set visited_control_parents for fully
2528         processed BBs.
2529         (find_obviously_necessary_stmts): Update call of
2530         mark_control_dependent_edges_necessary.
2531         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2532
2533 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2534
2535         * config/i386/i386.md: Remove comment about 'e' and 'E'
2536         operand modifier.
2537
2538 2010-04-06  Richard Guenther  <rguenther@suse.de>
2539
2540         PR tree-optimization/43627
2541         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2542         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2543         not varying.
2544
2545 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2546
2547         * BASE-VER: Change to 4.6.0.
2548
2549         PR target/43638
2550         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2551         handling.
2552
2553 2010-04-06  Richard Guenther  <rguenther@suse.de>
2554
2555         PR middle-end/43661
2556         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2557
2558 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2559
2560         * doc/invoke.texi (Optimize Options): Document that LTO
2561         won't remove object access purely due to incompatible
2562         declarations.
2563
2564 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2565
2566         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2567         Initialize variable.
2568
2569 2010-04-03  Richard Guenther  <rguenther@suse.de>
2570
2571         PR middle-end/42509
2572         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2573         require a non-NULL MEM_OFFSET.
2574
2575 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2576
2577         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2578         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2579         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2580         config/alpha/predicates.md, config/arm/arm.md,
2581         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2582         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2583         config/darwin9.h, config/darwin.c, config/darwin.h,
2584         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2585         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2586         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2587         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2588         config/mips/mips.md, config/mn10300/mn10300.c,
2589         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2590         config/rs6000/aix.h, config/rs6000/dfp.md,
2591         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2592         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2593         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2594         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2595         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2596         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2597         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2598         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2599         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2600         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2601         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2602         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2603         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2604         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2605         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2606         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2607         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2608         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2609         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2610         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2611         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2612         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2613         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2614         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2615         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2616         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2617         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2618         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2619         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2620         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2621         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2622         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2623         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2624         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2625         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2626         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2627
2628 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2629
2630         PR other/43620
2631         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2632         * aclocal.m4: Regenerate.
2633
2634 2010-04-02  Richard Guenther  <rguenther@suse.de>
2635
2636         PR tree-optimization/43629
2637         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2638         if we have seen a constant value.
2639
2640 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2641
2642         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2643
2644 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2645
2646         PR target/43469
2647         * arm.c (legitimize_tls_address): Adjust call to
2648         gen_tls_load_dot_plus_four.
2649         (arm_note_pic_base): New function.
2650         (arm_cannot_copy_insn_p): Use it.
2651         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2652         constraint.
2653
2654 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2655
2656         PR bootstrap/43531
2657
2658         Revert:
2659         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2660
2661         * Makefile.in ($(out_object_file)): Depend on
2662         gt-$(basename $(notdir $(out_file))).h.
2663
2664 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2665
2666         * config.gcc (lm32-*-rtems*): Add t-lm32.
2667
2668 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2669
2670         * config.gcc: Add lm32-*-rtems*.
2671         * config/lm32/rtems.h: New file.
2672
2673 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2674
2675         PR target/42609
2676         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2677
2678 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2679
2680         * dwarf2out.c (output_compilation_unit_header): For
2681         -gdwarf-4 use version 4 instead of version 3.
2682         (output_line_info): For version 4 and above emit additional
2683         maximum ops per insn header field.
2684         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2685
2686         * dwarf2out.c (is_c_family, is_java): Remove.
2687         (lower_bound_default): New function.
2688         (add_bound_info, gen_descr_array_type_die): Use it.
2689
2690 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2691
2692         PR debug/43325
2693         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2694         re-declaration when it happens in a function.
2695
2696 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2697
2698         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2699         (cgraph_remove_function_insertion_hook): Same.
2700         (cgraph_call_function_insertion_hooks): Same.
2701
2702 2010-04-01  Richard Guenther  <rguenther@suse.de>
2703
2704         PR middle-end/43614
2705         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2706         and TREE_THIS_VOLATILE.
2707         (copy_ref_info): Likewise.
2708         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2709         * tree.c (build6_stat): Ignore side-effects of all but arg5
2710         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2711         TARGET_MEM_REF.
2712
2713 2010-04-01  Richard Guenther  <rguenther@suse.de>
2714
2715         PR tree-optimization/43607
2716         * ipa-type-escape.c (check_call): Do not access non-existing
2717         arguments.
2718
2719 2010-04-01  Richard Guenther  <rguenther@suse.de>
2720
2721         PR middle-end/43602
2722         Revert
2723         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2724                     Jack Howarth <howarth@bromo.med.uc.edu>
2725
2726         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2727         variables TLS.
2728
2729 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2730
2731         * doc/install.texi (Prerequisites): Document libelf usability on
2732         IRIX 5/6 and Solaris 2.
2733         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2734         Update GNU as, GNU ld requirements.
2735         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2736         Document Sun Studio compiler download.
2737         Update and simplify as, ld recommendations.
2738         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2739
2740 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2741
2742         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2743         with_tune_32 to pentium4.
2744
2745 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2746
2747         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2748
2749 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2750
2751         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2752         obsoletion, removal.
2753         Update IDO URL.
2754         Document GNU as requirement.
2755         Update configure requirements.
2756         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2757         Recomment IRIX 6.5.18+.
2758         Document IDF/IDL requirement.
2759         Document GNU as requirement.
2760         Document GNU ld bootstrap failure.
2761         Remove freeware.sgi.com reference.
2762
2763 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2764
2765         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2766         UNIX V4.0, V5.0 obsoletion, removal.
2767         Remove --with-gc=simple reference.
2768         Update VM requirements during bootstrap.
2769         Remove -oldas bootstrap description.
2770         Update binutils reference.
2771         Remove comparison failure note.
2772
2773 2010-03-31  Richard Guenther  <rguenther@suse.de>
2774             Zdenek Dvorak  <ook@ucw.cz>
2775             Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         PR middle-end/43464
2778         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2779         with multiple arguments.
2780         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2781
2782 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2783
2784         * graphite-dependences.c (print_pddr): Call print_pdr with an
2785         extra argument.
2786         * graphite-poly.c (debug_pdr): Add an extra argument for the
2787         verbosity level.
2788         (print_pdr): Same.
2789         (print_pbb_domain): Same.
2790         (print_pbb): Same.
2791         (print_scop_context): Same.
2792         (print_scop): Same.
2793         (print_cloog): Same.
2794         (debug_pbb_domain): Same.
2795         (debug_pbb): Same.
2796         (print_pdrs): Same.
2797         (debug_pdrs): Same.
2798         (debug_scop_context): Same.
2799         (debug_scop): Same.
2800         (debug_cloog): Same.
2801         (print_scop_params): Same.
2802         (debug_scop_params): Same.
2803         (print_iteration_domain): Same.
2804         (print_iteration_domains): Same.
2805         (debug_iteration_domain): Same.
2806         (debug_iteration_domains): Same.
2807         (print_scattering_function): Same.
2808         (print_scattering_functions): Same.
2809         (debug_scattering_function): Same.
2810         (debug_scattering_functions): Same.
2811         * graphite-poly.h (debug_pdr): Update declaration.
2812         (print_pdr): Same.
2813         (print_pbb_domain): Same.
2814         (print_pbb): Same.
2815         (print_scop_context): Same.
2816         (print_scop): Same.
2817         (print_cloog): Same.
2818         (debug_pbb_domain): Same.
2819         (debug_pbb): Same.
2820         (print_pdrs): Same.
2821         (debug_pdrs): Same.
2822         (debug_scop_context): Same.
2823         (debug_scop): Same.
2824         (debug_cloog): Same.
2825         (print_scop_params): Same.
2826         (debug_scop_params): Same.
2827         (print_iteration_domain): Same.
2828         (print_iteration_domains): Same.
2829         (debug_iteration_domain): Same.
2830         (debug_iteration_domains): Same.
2831         (print_scattering_function): Same.
2832         (print_scattering_functions): Same.
2833         (debug_scattering_function): Same.
2834         (debug_scattering_functions): Same.
2835
2836 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2837
2838         * graphite-poly.c (print_scattering_function_1): New.
2839         (print_scattering_function): Call it.
2840         (print_scop_params): Remove spaces at the end of lines.
2841         (print_cloog): New.
2842         (debug_cloog): New.
2843         * graphite-poly.h (print_cloog): Declared.
2844         (debug_cloog): Declared.
2845
2846 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2847
2848         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2849         in loop->header.
2850         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2851         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2852         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2853         to switch between adding the IV bump in loop->latch or in loop->header.
2854
2855 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2856
2857         * graphite-poly.c (print_scattering_function): Pretty print following
2858         the scoplib format.
2859         (print_pdr): Same.
2860         (print_pbb_domain): Same.
2861         (dump_gbb_cases): Same.
2862         (dump_gbb_conditions): Same.
2863         (print_pdrs): Same.
2864         (print_pbb): Same.
2865         (print_scop_params): Same.
2866         (print_scop_context): Same.
2867         (print_scop): Same.
2868         (print_pbb_body): New.
2869         (lst_indent_to): New.
2870         (print_lst): Start new lines with a #.
2871         * graphite-poly.h (pbb_bb): New.
2872         (pbb_index): Use pbb_bb.
2873         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2874         disjuncts.
2875         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2876
2877 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2878
2879         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2880         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2881         and 0 instead of 1 for dw_val_class_flag.
2882         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2883         dw_val_class_range_list, dw_val_class_loc_list,
2884         dw_val_class_lineptr and dw_val_class_macptr, use
2885         DW_FORM_flag_present for dw_val_class_flag and
2886         DW_FORM_exprloc for dw_val_class_loc.
2887         (output_die): For -gdwarf-4 print dw_val_class_loc
2888         size as uleb128 instead of 1 or 2 bytes and don't print
2889         anything for dw_val_class_flag.
2890
2891         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2892         instead of cselib_lookup following by tweaking locs->setting_insn.
2893
2894         PR bootstrap/43596
2895         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2896         even before returning from label, setjmp call or volatile asm
2897         handling.
2898
2899 2010-03-31  Richard Guenther  <rguenther@suse.de>
2900
2901         PR middle-end/43600
2902         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2903         temporary data on stack.
2904
2905 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2906
2907         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2908         (PUSHSECTION_ASM_OP): Remove.
2909         (POPSECTION_ASM_OP): Remove.
2910         (PUSHSECTION_FORMAT): Remove.
2911         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2912         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2913         * config/sol2.c (solaris_output_init_fini): Use it.
2914
2915 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2916
2917         PR 43574
2918         * opt-functions.awk (var_type_struct): Use signed char type
2919         for simple variables.
2920
2921 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2922
2923         * config/sol2.c: Include output.h.
2924         (solaris_assemble_visibility): New function.
2925         * config/t-sol2 (sol2.o): Add output.h dependency.
2926         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2927         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2928         Redefine.
2929
2930 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2931
2932         PR target/43580
2933         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2934         V2SImode or XFmode on PRE_DEC.
2935
2936         PR debug/43557
2937         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2938         BLKmode.
2939
2940 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2941
2942         PR 43562
2943         * reload.h (caller_save_initialized_p): Declare.
2944         * toplev.c (backend_init_target): Don't call
2945         init_caller_save but set caller_save_initialized_p to false.
2946         * caller-save.c (caller_save_initialized_p): Define.
2947         (init_caller_save): Check caller_save_initialized_p.
2948         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2949
2950 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2951
2952         PR target/39048
2953         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2954         and soft-fp/t-softfp to tmake_file.
2955         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2956         (LIBGCC2_TF_CEXT): Define.
2957         (TF_SIZE): Define.
2958
2959 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2960
2961         PR debug/42977
2962         * cselib.c (n_useless_values): Document handling of debug locs.
2963         (n_useless_debug_values, n_debug_values): New variables.
2964         (new_elt_loc_list): Don't add to debug values, keep count.
2965         (promote_debug_loc): New.
2966         (cselib_reset_table): Zero new variables.
2967         (entry_and_rtx_equal_p): Promote debug locs.
2968         (discard_useless_locs): Increment n_useless_debug_values for
2969         debug values.
2970         (remove_useless_values): Adjust n_useless_values and n_debug_values
2971         with n_useless_debug_values.
2972         (add_mem_for_addr): Promote debug locs.
2973         (cselib_lookup_mem): Likewise.
2974         (cselib_lookup_addr): Renamed to...
2975         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2976         (cselib_log_lookup): ... this.  Turn into...
2977         (cselib_lookup_addr): ... new wrapper.
2978         (cselib_lookup_from_insn): New.
2979         (cselib_invalidate_regno): Increment n_useless_debug_values for
2980         debug values.
2981         (cselib_invalidate_mem): Likewise.
2982         (cselib_process_insn): Take n_deleted and n_debug_values into
2983         account to guard remove_useless_value call.
2984         (cselib_finish): Zero n_useless_debug_values.
2985         * cselib.h (cselib_lookup_from_insn): Declare.
2986         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2987         (sched_analyze_2): Likewise.
2988
2989 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2990
2991         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2992         functions.
2993         (adjust_mems): Replace narrowing SUBREG of expression containing
2994         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2995         with operations in the narrower mode.
2996
2997         PR debug/43593
2998         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2999         regs_invalidated_by_call instead all call_used_reg_set registers.
3000
3001 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3002
3003         PR middle-end/43430
3004         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3005         pointer comparisons with types_compatible_p.
3006         * tree-vect-stmts.c (vectorizable_call): Same.
3007         (vectorizable_condition): Same.
3008
3009 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3010
3011         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3012         stack check if the mask would be zero.
3013
3014 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3015             Jack Howarth <howarth@bromo.med.uc.edu>
3016
3017         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3018         variables TLS.
3019
3020 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3021
3022         PR other/25232
3023         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3024         and __unordtf2.
3025         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3026         Include ___unordxf2 and ___unordtf2.
3027         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3028         GCC_4.4.0 here.
3029
3030 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3031
3032         * config/lm32/t-lm32: New file.
3033         * config.gcc: Use the above file when targetting lm32.
3034
3035 2010-03-28  Duncan Sands  <baldrick@free.fr>
3036
3037         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3038
3039 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3040
3041         PR middle-end/43431
3042         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3043         Improve vectorization cost model diagnostic.
3044
3045 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3046
3047         PR middle-end/43436
3048         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3049         compute_data_dependences_for_loop returns false, early exit
3050         and output an extra diagnostic for the failed data reference
3051         analysis.
3052
3053 2010-03-29  Richard Guenther  <rguenther@suse.de>
3054
3055         PR tree-optimization/43560
3056         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3057         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3058
3059 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3060
3061         PR 43564
3062         * toplev.c (process_options): Set optimization_default_node
3063         and optimization_current_node.
3064         * opts.c (decode_options): Don't set optimization_default_node
3065         and optimization_current_node.
3066
3067 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3068
3069         * config/rtems.h: Abandon -qrtems_debug.
3070
3071 2010-03-28  Jan Hubicka  <jh@suse.cz>
3072
3073         PR tree-optimization/43505
3074         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3075         map should not be copied.
3076
3077 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3078
3079         PR middle-end/41674
3080         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3081         cdtors, set DECL_PRESERVE_P.
3082         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3083         should be preseved.
3084
3085 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3086
3087         PR tree-optimization/43528
3088         * stor-layout.c (place_field): Check that constant fits into
3089         unsigned HWI when skipping calculation of MS bitfield layout.
3090
3091 2010-03-27  Jan Hubicka  <jh@suse.cz>
3092
3093         PR middle-end/43391
3094         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3095         notice_global_symbol work.
3096
3097 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3098
3099         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3100         instead of dwarf2out_decl.
3101         (struct var_loc_node): Remove section_label field.
3102         (dwarf2out_function_decl): New function.
3103         (dwarf2out_var_location): Don't set section_label field.
3104         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3105
3106 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3107
3108         PR tree-optimization/43544
3109         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3110         First argument for builtin vectorized function hook is now a
3111         tree to be able to distinguish between machine specific and
3112         standard builtins.
3113         * targhooks.c (default_builtin_vectorized_function): Ditto.
3114         * targhooks.h (default_builtin_vectorized_function): Ditto.
3115         * target.h (struct gcc_target): Ditto.
3116         * tree-vect-stmts.c (vectorizable_function): Ditto.
3117         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3118         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3119         Ditto.
3120
3121 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3122
3123         PR c/43381
3124         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3125         nested binding iff it is a FUNCTION_DECL.
3126         (store_parm_decls_newstyle): Pass nested=true to bind for
3127         FUNCTION_DECLs amongst parameters.
3128
3129 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3130
3131         * var-tracking.c (vt_expand_loc_callback): Don't run
3132         cselib_expand_value_rtx_cb in dummy mode if
3133         cselib_dummy_expand_value_rtx_cb returned false.
3134
3135         * var-tracking.c (emit_note_insn_var_location): For one part
3136         notes with offset 0, don't add EXPR_LIST around the location.
3137         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3138         add_location_or_const_value_attribute): Adjust for that change.
3139
3140         PR debug/43540
3141         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3142         into first operand and location into second.
3143         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3144         dw_cfi_oprnd_loc for DW_CFA_expression.
3145         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3146         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3147         assume first argument is regnum and second argument is location.
3148
3149 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3150
3151         PR target/42113
3152         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3153         of scratch register to DImode.  Split to DImode comparison operator.
3154         Use SImode subreg of scratch register in the multiplication.
3155         (*cmp_sadd_sidi): Ditto.
3156         (*cmp_ssub_si): Ditto.
3157         (*cmp_ssub_sidi): Ditto.
3158
3159 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         PR target/43524
3162         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3163         Remove invalid assert and wrong comment.
3164
3165 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3166
3167         PR debug/43516
3168         * flags.h (final_insns_dump_p): New extern.
3169         * final.c (final_insns_dump_p): New variable.
3170         (rest_of_clean_state): Set it before -fdump-final-insns=
3171         dumping, clear afterwards.
3172         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3173         MEM_ALIAS_SET on MEMs.
3174
3175 2010-03-26  David S. Miller  <davem@davemloft.net>
3176
3177         * configure.ac: Fix sparc GOTDATA_OP bug check.
3178         * configure: Rebuild.
3179
3180 2010-03-26  Alan Modra  <amodra@gmail.com>
3181
3182         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3183
3184 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3185
3186         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3187         TLS_SECTION_ASM_FLAG.
3188
3189 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3190
3191         PR bootstrap/43511
3192         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3193         Clear first_function_block_is_cold.
3194
3195         PR c/43385
3196         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3197         argument if the argument is truth_value_p.
3198
3199 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3200
3201         * config/rs6000/constraints.md: Update copyright year for my changes.
3202
3203         PR target/43484
3204         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3205         used in reg+reg addressing, swap registers.
3206
3207 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3208
3209         PR debug/43293
3210         * target.h (struct gcc_target): Add code_end hook.
3211         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3212         if not yet defined.
3213         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3214         * toplev.c (compile_file): Call targetm.asm_out.code_end
3215         hook before unwind info/debug info output.
3216         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3217         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3218         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3219         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3220         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3221         * config/i386/i386.c (ix86_file_end): Renamed to...
3222         (ix86_code_end): ... this.  Make static.  Don't call
3223         file_end_indicate_exec_stack.  Emit unwind info using
3224         final_start_function/final_end_function.
3225         (darwin_x86_file_end): Remove.
3226         (TARGET_ASM_CODE_END): Define.
3227         * config/i386/i386.h (TARGET_ASM_FILE_END,
3228         NEED_INDICATE_EXEC_STACK): Don't define.
3229         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3230         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3231         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3232         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3233
3234         PR target/43498
3235         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3236         at the beginning and final_end_function at the end.
3237         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3238
3239 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3240
3241         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3242         and Sun as TLS syntax.
3243         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3244         * configure: Regenerate.
3245         * config.in: Regenerate.
3246         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3247         (default_elf_asm_named_section): Use it.
3248         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3249         (i386_output_dwarf_dtprel): Likewise.
3250         (output_addr_const_extra): Likewise.
3251         (output_pic_addr_const): Lowercase @GOTTPOFF.
3252         (output_addr_const_extra): Likewise.
3253         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3254         (output_addr_const_extra): Likewise.
3255         (output_pic_addr_const): Lowercase @INDNTPOFF.
3256         (output_addr_const_extra): Likewise.
3257         (output_pic_addr_const): Lowercase @NTPOFF.
3258         (output_addr_const_extra): Likewise.
3259         (output_pic_addr_const): Lowercase @TPOFF.
3260         (output_addr_const_extra): Likewise.
3261         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3262         (*tls_global_dynamic_64): Likewise.
3263         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3264         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3265
3266         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3267         (ASM_OUTPUT_TLS_COMMON): Use it.
3268         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3269
3270         PR target/38118
3271         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3272         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3273         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3274         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3275         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3276         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3277
3278 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3279
3280         * config/i386/i386.c (override_options): Don't accept
3281         -mtls-dialect=sun any longer.
3282         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3283         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3284         (*tls_local_dynamic_base_32_sun): Likewise.
3285         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3286
3287 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR debug/43508
3290         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3291         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3292
3293         PR debug/43479
3294         * ira.c (adjust_cleared_regs): New function.
3295         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3296
3297         PR debug/19192
3298         PR debug/43479
3299         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3300         from gimple_block.
3301         * expr.c (expand_expr_real): Restore previous
3302         curr_insn_source_location and curr_insn_block after
3303         expand_expr_real_1 call.
3304         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3305         instead of expand_expr_real_1.
3306
3307 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3308
3309         PR rtl-optimization/43413
3310         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3311         hard regs too.
3312
3313 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3314
3315         PR target/43348
3316         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3317         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3318
3319 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3320
3321         * config/i386/i386.c (ix86_target_string): Add -mfma.
3322         Fix a typo in comment.
3323
3324 2010-03-22  Mike Stump  <mikestump@comcast.net>
3325
3326         PR target/23071
3327         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3328         Don't overly align based upon packed packed fields.
3329
3330 2010-03-22  Jason Merrill  <jason@redhat.com>
3331
3332         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3333         Use () rather than [], and move before the element type.
3334
3335 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3336
3337         * doc/configfiles.texi (Configuration Files): Removed
3338         fixinc/Makefile*, intl/Makefile.*.
3339         * doc/makefile.texi: Fixed markup. Abstract from version
3340         control system used.
3341         (Makefile): Removed obsolete gcc/java/parse.y example.
3342         * doc/sourcebuild.texi: Likewise.
3343         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3344         libgomp, libssp.  Removed fastjar.
3345         (Miscellaneous Docs): Clarify location.
3346         Added COPYING3, COPYING3.LIB.
3347         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3348
3349 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3350
3351         PR target/38085
3352         * config/i386/i386.c (x86_function_profiler)
3353         [!NO_PROFILE_COUNTERS]: Fix typo.
3354         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3355         instead of callq.
3356
3357 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3358             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3359
3360         * doc/sourcebuild.texi (Test Directives): Split into six
3361         subsections, with most of the current text in new subsections
3362         Directives, Selectors, and Final Actions.
3363         (Directives): Split list of test directives into multiple
3364         subsubsections.
3365         (Selectors): Describe use and syntax of selectors.
3366         (Effective-Target Keywords): Describe all existing keywords.
3367         (Add Options): Describe features for dg-add-options.
3368         (Require Support): Describe variants of dg-require-support.
3369         (Final Actions): Describe commands to use in dg-final.
3370
3371 2010-03-22  Michael Matz  <matz@suse.de>
3372
3373         PR middle-end/43475
3374         * recog.c (validate_replace_rtx_group): Replace also in
3375         REG_EQUAL and REG_EQUIV notes.
3376
3377 2010-03-22  Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/43390
3380         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3381         sure vector extracts are type correct.
3382
3383 2010-03-22  Richard Guenther  <rguenther@suse.de>
3384
3385         PR middle-end/40106
3386         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3387         x * sqrt (x) even when optimizing for size if the target
3388         has native support for sqrt.
3389
3390 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3391
3392         * varasm.c (make_decl_rtl_for_debug): Also clear
3393         flag_mudflap for the duration of make_decl_rtl call.
3394
3395         PR debug/43443
3396         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3397         locs from preserved VALUEs.
3398
3399 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3400
3401         PR middle-end/42718
3402         * pa.md (movmemsi): Set align to one if zero.
3403         (movmemdi): Likewise.
3404
3405 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3406
3407         PR target/42321
3408         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3409         with their corresponding prologue pushes.
3410
3411 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3412
3413         PR target/43156
3414         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3415         at the begining or end.
3416         (spu_expand_epilogue): Likewise.
3417
3418 2010-03-20  Richard Guenther  <rguenther@suse.de>
3419
3420         PR rtl-optimization/43438
3421         * combine.c (make_extraction): Properly zero-/sign-extend an
3422         extraction of the low part of a CONST_INT.  Also handle
3423         CONST_DOUBLE.
3424
3425 2010-03-19  Mike Stump  <mikestump@comcast.net>
3426
3427         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3428         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3429         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3430
3431 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3432
3433         PR c/43211
3434         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3435         an error.
3436
3437 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3438
3439         PR rtl-optimization/42258
3440         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3441         use that may match DEF.
3442
3443         PR target/40697
3444         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3445         the cost of loading the constant rather than assuming
3446         COSTS_N_INSNS (1).
3447         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3448         outer code is AND, do the