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* cgraph.c (cgraph_propagate_frequency): New function.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-27  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.c (cgraph_propagate_frequency): New function.
4         * cgraph.h (cgraph_propagate_frequency): Declare.
5         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
6         cgraph_propagate_frequency.
7
8 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
9
10         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
11
12 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
13
14         PR target/40657
15         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
16         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
17         here to determine which regs to push and how much stack to reserve.
18
19 2010-04-27  Jie Zhang  <jie@codesourcery.com>
20
21         * doc/gimple.texi (gimple_statement_with_ops): Remove
22         addresses_taken field.
23         (gimple_statement_with_memory_ops): Likewise.
24
25 2010-04-27  Jan Hubicka  <jh@suse.cz>
26
27         * tree-inline.c (eni_inlining_weights): Remove.
28         (estimate_num_insns): Special case more builtins.
29
30 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
31         
32         PR c/32207
33         * c-typeck.c (build_binary_op): Move forward check for comparison
34         pointer with null pointer constant and adjust the diagnostic message.
35
36 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
37
38         PR lto/42776
39         * configure.ac (gcc_cv_as_section_has_align): Set if installed
40         binutils supports extended .section directive needed by LTO, or
41         warn if older binutils found.
42         (LTO_BINARY_READER): New AC_SUBST'd variable.
43         (LTO_USE_LIBELF): Likewise.
44         * gcc/config.gcc (lto_binary_reader): New target-specific configure
45         variable.
46         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
47         (LTO_USE_LIBELF): Likewise.
48         * configure: Regenerate.
49
50         * collect2.c (is_elf): Rename from this ...
51         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
52          object files in addition to ELF-formatted ones.
53         (scan_prog_file): Caller updated.  Also allow for LTO info marker
54         symbol to be prefixed or not by an extra underscore.
55
56         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
57         * config/i386/winnt.c: Also #include lto-streamer.h
58         (i386_pe_asm_named_section): Specify 1-byte section alignment for
59         LTO named sections.
60         (i386_pe_asm_output_aligned_decl_common): Add comment.
61         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
62
63 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
64
65         PR target/43889
66         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
67         Add missing earlyclobber for second alternative.
68
69 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
70
71         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
72         bits for artificial defs at the top of the block.
73         * fwprop.c (single_def_use_enter_block): Don't call it.
74
75 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
76
77         PR 43715
78         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
79         instead of "$gcc_cv_objdump -T".
80         Use "-undefined dynamic_lookup" on darwin.
81         * gcc/configure: Regenerate.
82
83 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
84
85         PR c/43893
86         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
87
88 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
89
90         * c-parser.c (struct c_token): Move location field up.
91         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
92         (struct c_declspecs): Convert typespec_word, storage_class, and
93         default_int_p into bitfields.
94         (struct c_declarator): Move loc field up.
95
96 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
97
98         * cfgloop.h (struct loop): Move can_be_parallel field up.
99         * ipa-prop.h (struct ip_node_params): Move bitfields up.
100         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
101         down.
102         (struct iv_cand): Convert pos field into a bitfield.
103         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
104         field up.
105         (struct _stmt_vec_info): Shuffle fields for better packing.
106
107 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
108
109         * varasm.c (IN_NAMED_SECTION): Remove guard.
110         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
111         (IN_NAMED_SECTION_P): ...this.
112         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
113         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
114
115 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
116
117         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
118         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
119         of shadowing it.  Fix comments.
120
121 2010-04-26  Jan Hubicka  <jh@suse.cz>
122
123         * cgraph.c (cgraph_create_node): Set node frequency to normal.
124         (cgraph_clone_node): Copy function frequency.
125         * cgraph.h (node_frequency): New enum
126         (struct cgraph_node): Add.
127         * final.c (rest_of_clean_state): Update.
128         * lto-cgraph.c (lto_output_node): Output node frequency.
129         (input_overwrite_node): Input node frequency.
130         * tre-ssa-loop-ivopts (computation_cost): Update.
131         * lto-streamer-out.c (output_function): Do not output function
132         frequency.
133         * predict.c (maybe_hot_frequency_p): Update and handle functions
134         executed once.
135         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
136         attribute lookup.
137         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
138         (compute_function_frequency): Set noreturn functions to be executed
139         once.
140         (choose_function_section): Update.
141         * lto-streamer-in.c (input_function): Do not input function frequency.
142         * function.c (allocate_struct_function): Do not initialize function
143         frequency.
144         * function.h (function_frequency): Remove.
145         (struct function): Remove function frequency.
146         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
147         (try_update): Update.
148         * tree-inline.c (initialize_cfun): Do not update function frequency.
149         * passes.c (pass_init_dump_file): Update.
150         * i386.c (ix86_compute_frame_layout): Update.
151         (ix86_pad_returns): Update.
152
153 2010-04-26  Jie Zhang  <jie@codesourcery.com>
154
155         PR tree-optimization/43833
156         * tree-vrp.c (range_int_cst_p): New.
157         (range_int_cst_singleton_p): New.
158         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
159         when both operands are constants.  Use range_int_cst_p in
160         BIT_IOR_EXPR case.
161
162 2010-04-26  Jan Hubicka  <jh@suse.cz>
163
164         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
165
166 2010-04-26  Richard Guenther  <rguenther@suse.de>
167
168         PR lto/43080
169         * gimple.c (gimple_decl_printable_name): Deal gracefully
170         with a NULL DECL_NAME.
171
172 2010-04-26  Richard Guenther  <rguenther@suse.de>
173
174         PR lto/42425
175         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
176         if emitting debug information and it is either a function
177         or a namespace decl.
178
179 2010-04-26  Ira Rosen  <irar@il.ibm.com>
180
181         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
182         determine if the statement is vectorizable, and a macro to 
183         access it.
184         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
185         Skip statements that can't be vectorized. If the analysis 
186         fails, mark the statement as unvectorizable if vectorizing 
187         basic block.
188         (vect_compute_data_refs_alignment): Likewise.
189         (vect_verify_datarefs_alignment): Skip statements marked as 
190         unvectorizable. Add print.
191         (vect_analyze_group_access): Skip statements that can't be 
192         vectorized. If the analysis fails, mark the statement as 
193         unvectorizable if vectorizing basic block.
194         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
195         Likewise.
196         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
197         generated stmts for SLP.
198         (new_stmt_vec_info): Initialize the new field.
199         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
200         statements marked as unvectorizable.
201
202 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
203
204         * c-common.c (flag_isoc1x): New.
205         (flag_isoc99): Update comment.
206         * c-common.h (flag_isoc1x): New.
207         (flag_isoc99): Update comment.
208         * c-cppbuiltin.c (builtin_define_float_constants): Also define
209         __<type>_DECIMAL_DIG__.
210         * c-opts.c (set_std_c1x): New.
211         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
212         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
213         * c.opt (-std=c1x, -std=gnu1x): New options.
214         * doc/cpp.texi: Mention -std=c1x.
215         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
216         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
217         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
218         * doc/standards.texi: Mention C1X.
219         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
220         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
221         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
222         Define for C1X.
223
224 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
225
226         * config/i386/gmon-sol2.c (_mcleanup): Change format string
227         placeholder from 0x%x to %#x.
228         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
229         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
230         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
231         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
232         * config/i386/i386.c (ix86_target_string): Ditto.
233         (output_pic_addr_const): Ditto.
234         (print_operand): Ditto.
235
236 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
237
238         * combine.c (find_split_point): Add third argument.  Use it
239         to find nested multiply-accumulate instructions.  Adjust calls.
240         (try_combine): Adjust call to find_split_point.
241
242 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
243
244         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
245
246 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
247
248         PR tree-optimization/41442
249         * fold-const.c (merge_truthop_with_opposite_arm): New function.
250         (fold_binary_loc): Call it.
251
252 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
253
254         * toplev.c (general_init): Set default for fdiagnostics-show-option.
255         * opts.c (common_handle_option): Allow disabling it.
256         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
257
258 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
259
260         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
261         between modes if both types are integral.
262
263 2010-04-23  Richard Guenther  <rguenther@suse.de>
264
265         PR tree-optimization/43572
266         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
267
268 2010-04-23  Richard Guenther  <rguenther@suse.de>
269
270         PR lto/43455
271         * tree-inline.c (tree_can_inline_p): Also check compatibility
272         of return types.
273
274 2010-04-23  Martin Jambor  <mjambor@suse.cz>
275
276         PR tree-optimization/43846
277         * tree-sra.c (struct access): New flag grp_assignment_read.
278         (build_accesses_from_assign): Set grp_assignment_read.
279         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
280         (enum mark_read_status): New type.
281         (analyze_access_subtree): Propagate grp_assignment_read, create
282         accesses also if both direct_read and root->grp_assignment_read.
283
284 2010-04-23  Martin Jambor  <mjambor@suse.cz>
285
286         PR middle-end/43835
287         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
288         function does not have type attributes.
289
290 2010-04-23  Richard Guenther  <rguenther@suse.de>
291
292         PR lto/42653
293         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
294         of FUNCTION_DECLs.
295
296 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
297
298         * sese.h (create_if_region_on_edge): Remove.
299
300         * sese.c (create_if_region_on_edge): Make static.
301
302         * tree-inline.c: Do not include ggc.h.
303
304         * expr.c: Do not include ggc.h.
305
306         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
307         dependencies.
308
309 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
310
311         PR target/43744
312         * config/sh/sh.c (find_barrier): Don't emit a constant pool
313         in the middle of insns for casesi_worker_2.
314
315 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
316
317         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
318
319 2010-04-22  Ira Rosen  <irar@il.ibm.com>
320
321         PR tree-optimization/43842
322         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
323         loop unrolling in update of exit phis. Fix comment.
324         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
325         least two reduction statements in the loop before starting SLP
326         analysis.
327
328 2010-04-22  Nick Clifton  <nickc@redhat.com>
329
330         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
331
332 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
333
334         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
335         to simplify a + ~a.
336
337 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
338
339         * tree-parloops.c (loop_parallel_p): New argument
340         parloop_obstack.  Pass it down.
341         (parallelize_loops): New variable parloop_obstack.  Initialize it,
342         pass it down, free it.
343
344         * tree-loop-linear.c (linear_transform_loops): Pass down
345         lambda_obstack.
346
347         * tree-data-ref.h (lambda_compute_access_matrices): New argument
348         of type struct obstack *.
349
350         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
351         scratch_obstack.  Initialize it, pass down, free it.
352
353         * lambda.h (lambda_loop_new): Remove.
354         (lambda_matrix_new, lambda_matrix_inverse)
355         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
356         argument of type struct obstack *.
357
358         * lambda-trans.c (lambda_trans_matrix_new): New argument
359         lambda_obstack.  Pass it down, use obstack allocation for ret.
360         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
361         it down.
362
363         * lambda-mat.c (lambda_matrix_get_column)
364         (lambda_matrix_project_to_null): Remove.
365         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
366         allocation for mat.
367         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
368         lambda_obstack.
369
370         * lambda-code.c (lambda_loop_new): New function.
371         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
372         (lambda_compute_auxillary_space, lambda_compute_target_space)
373         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
374         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
375         (build_access_matrix): New argument lambda_obstack.  Use obstack
376         allocation for am.
377         (lambda_compute_step_signs, lambda_compute_access_matrices): New
378         argument lambda_obstack.  Pass it down.
379
380 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
381
382         * optabs.h (expand_widening_mult): Declare.
383
384 2010-04-22  Richard Guenther  <rguenther@suse.de>
385
386         PR tree-optimization/43845
387         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
388         lookup the CALL_EXPR function and arguments.
389
390 2010-04-22  Nick Clifton  <nickc@redhat.com>
391
392         * config/stormy16/stormy16.c
393         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
394         * config/stormy16/stormy16.h: Tidy up formatting.
395         (DONT_USE_BUILTIN_SETJMP): Remove definition.
396         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
397         (ineqbranchsi): Delete pattern.
398         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
399         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
400         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
401         stormy16-lib2-ucmpsi2.c.
402
403 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
404
405         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
406         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
407         extra set merge_set_noclobber, and use it to relax the final test
408         slightly.
409         * df.h (df_simulate_find_noclobber_defs): Declare.
410         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
411         conditional defs.
412         (df_simulate_find_noclobber_defs): New function.
413
414 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
415
416         * config/i386/i386.md: Use {} around multi-line preparation statements.
417
418 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
419
420         * c-tree.h (push_init_level, pop_init_level, set_init_index)
421         (process_init_element): New argument of type struct obstack *.
422
423         * c-typeck.c (push_init_level, pop_init_level, set_designator)
424         (set_init_index, set_init_label, set_nonincremental_init)
425         (set_nonincremental_init_from_string, find_init_member)
426         (output_init_element, output_pending_init_elements)
427         (process_init_element): New argument braced_init_obstack.  Pass it
428         down.
429         (push_range_stack, add_pending_init): New argument
430         braced_init_obstack.  Use obstack allocation.
431
432         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
433         braced_init_obstack.  Pass it down.
434         (c_parser_braced_init): New variables ret, braced_init_obstack.
435         Initialize obstack, pass it down and finally free it.
436
437 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
438
439         PR middle-end/29274
440         * tree-pass.h (pass_optimize_widening_mul): Declare.
441         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
442         gate_optimize_widening_mul): New static functions.
443         (pass_optimize_widening_mul): New.
444         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
445         <case MULT_EXPR>: Remove support for widening multiplies.
446         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
447         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
448         simplify_gen_unary rather than directly building extensions.
449         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
450         WIDEN_MULT_EXPR.
451         * expmed.c (expand_widening_mult): New function.
452         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
453
454 2010-04-21  Jan Hubicka  <jh@suse.cz>
455
456         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
457         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
458         * lto-wpa-fixup.c: Remove.
459         * Makefile.in (lto-wpa-fixup.o): Remove.
460         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
461         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
462         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
463
464 2010-04-21  Jan Hubicka  <jh@suse.cz>
465
466         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
467         add write_optimization_summary, read_optimization_summary.
468         (ipa_write_summaries_of_cgraph_node_set): Remove.
469         (ipa_write_optimization_summaries): Declare.
470         (ipa_read_optimization_summaries): Declare.
471         * ipa-cp.c (pass_ipa_cp): Update.
472         * ipa-reference.c (pass_ipa_reference): Update.
473         * ipa-pure-const.c (pass_ipa_pure_const): Update.
474         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
475         Update.
476         * ipa-inline.c (pass_ipa_inline): Update.
477         * ipa.c (pass_ipa_whole_program): Update.
478         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
479         * passes.c (ipa_write_summaries_1): Do not test wpa.
480         (ipa_write_optimization_summaries_1): New.
481         (ipa_write_optimization_summaries): New.
482         (ipa_read_summaries): Do not test ltrans.
483         (ipa_read_optimization_summaries_1): New.
484         (ipa_read_optimization_summaries): New.
485
486 2010-04-21  Jan Hubicka  <jh@suse.cz>
487
488         * lto-cgraph.c (lto_output_node): Do not output comdat groups
489         for boundary nodes.
490         (output_cgraph): Do not arrange comdat groups for boundary nodes.
491
492 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
493
494         PR debug/40040
495         * dwarf2out.c (add_name_and_src_coords_attributes): Add
496         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
497
498 2010-04-21  Jan Hubicka  <jh@suse.cz>
499
500         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
501
502 2010-04-21  Jan Hubicka  <jh@suse.cz>
503
504         * varpool.c (decide_is_variable_needed): Variable is always needed
505         during ltrans.
506
507 2010-04-21  Jan Hubicka  <jh@suse.cz>
508
509         * opts.c (decode_options): Enable pure-const pass for whopr.
510
511 2010-04-21  Jan Hubicka  <jh@suse.cz>
512
513         * cgraph.c (dump_cgraph_node): Dump also assembler name.
514         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
515         at WPA dumping.
516         (cgraph_decide_inlining): Do not expect callee to be removed in all
517         cases.
518
519 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
520
521         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
522
523 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
524
525         * config/i386/i386.md (x86_shrd): Add athlon_decode and
526         amdfam10_decode attributes.
527
528 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
529
530         PR middle-end/43570
531         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
532         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
533         (lower_copyprivate_clauses): Use private var in outer
534         context instead of original var.  Make sure the types
535         are correct for VLAs.
536
537 2010-04-21  Richard Guenther  <rguenther@suse.de>
538
539         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
540         to non-pointer objects.
541
542 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
543
544         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
545         last chain entry if it starts with the still current label.
546         (add_location_or_const_value_attribute): Check that
547         loc_list->first->next is NULL instead of comparing ->first with ->last.
548         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
549         to add_var_loc_to_decl.
550
551         * dwarf2out.c (output_call_frame_info): For dw_cie_version
552         >= 4 add also address size and segment size fields into CIE header.
553
554         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
555         long as address size is the same as sizeof (void *) and
556         segment size is 0.
557         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
558         address size or segment size is unexpected, return DW_EH_PE_omit.
559         (classify_object_over_fdes): If get_cie_encoding returned
560         DW_EH_PE_omit, return -1.
561         (init_object): If classify_object_over_fdes returned -1,
562         pretend there were no FDEs at all.
563
564 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
565
566         * config/i386/i386.md (bswap<mode>2): Macroize expander from
567         bswap{si,di}2 using SWI48 mode iterator.
568         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
569         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
570         set modrm attribute of bswap insn to 0 and remove length attribute.
571         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
572         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
573         set mode attribute to <MODE> and remove length attribute.
574
575 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
576
577         PR rtl-optimization/43520
578         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
579         zero available registers.
580
581 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
582
583         * builtins.c (fold_builtin_cproj): Fold more cases.
584
585 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
586
587         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
588         (fold_builtin_1): Fold builtin cproj.
589         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
590         Use ATTR_CONST_NOTHROW_LIST.
591
592 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
593
594         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
595         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
596         ffsi2_no_cmove for !TARGET_CMOVE.
597         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
598         (ffssi2): Remove expander.
599         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
600         mode iterator.
601         (ctz<mode>2): Ditto from ctz{si,di}2.
602         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
603         mode iterator.
604         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
605         mode iterator.
606
607 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
608
609         * dwarf2out.c (AT_linkage_name): Define.
610         (clone_as_declaration): Handle DW_AT_linkage_name.
611         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
612         of DW_AT_MIPS_linkage_name.
613         (move_linkage_attr): Likewise.
614         (dwarf2out_finish): Likewise.
615
616 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
617
618         PR middle-end/41952
619         * fold-const.c (fold_comparison): New folding rule.
620
621 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
622
623         * double-int.h (double_int_setbit): Declare.
624         * double-int.c (double_int_setbit): New function.
625         * rtl.h (immed_double_int_const): Declare.
626         * emit-rtl.c (immed_double_int_const): New function.
627         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
628         and immed_double_int_const functions.
629         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
630         expand_copysign_bit):  (Ditto.).
631         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
632         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
633         * dojump.c (prefer_and_bit_test): (Ditto.).
634         * expr.c (convert_modes, reduce_to_bit_field_precision,
635         const_vector_from_tree): (Ditto.).
636         * expmed.c (mask_rtx, lshift_value): (Ditto.).
637
638 2010-04-20  Jan Hubicka  <jh@suse.cz>
639
640         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
641         (dump_cgraph_node): Dump new flags.
642         * cgraph.h (struct cgraph_node): Add flags
643         reachable_from_other_partition and in_other_partition.
644         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
645         other partition can not be removed.
646         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
647         the other partition must be output; silence sanity checking on
648         leaking functions bodies from other paritition.
649         * lto-cgraph.c (reachable_from_other_partition_p): New function.
650         (lto_output_node): Output new flags; do not sanity check that inline
651         clones are output; drop lto_forced_extern_inline_p code; do not mock
652         visibility flags at partition boundaries.
653         (add_node_to): New function.
654         (output_cgraph): Use it to sort functions so masters appear before
655         clones.
656         (input_overwrite_node): Input new flags.
657         * passes.c (ipa_write_summaries): Do not call
658         lto_new_extern_inline_states.
659         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
660         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
661         lto_forced_extern_inline_p): Kill.
662         * lto-streamer.h (lto_new_extern_inline_states,
663         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
664         lto_forced_extern_inline_p): Kill.
665
666 2010-04-20  Richard Guenther  <rguenther@suse.de>
667
668         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
669         from vars that can have pointers.
670         (process_constraint): Dump useless constraints.
671
672 2010-04-20  Richard Guenther  <rguenther@suse.de>
673
674         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
675         (dump_sa_points_to_info): Remove asserts.
676         (init_base_vars): nothing_id isn't an escape point nor does it
677         have pointers.
678
679 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
680
681         * tree.h (TYPE_REF_IS_RVALUE): Define.
682         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
683         should_move_die_to_comdat, prune_unused_types_walk): Handle
684         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
685         (modified_type_die, gen_reference_type_die): Emit
686         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
687         if TYPE_REF_IS_RVALUE and -gdwarf-4.
688
689 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
690
691         PR target/43635
692         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
693         calls for -fpic -m31 if they have been sibcall optimized.
694
695 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
696
697         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
698         ar.lc fixed and call-used.
699
700         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
701
702 2010-04-19  Jan Hubicka  <jh@suse.cz>
703
704         * opts.c (decode_options): Disable whpr incompatible passes.
705         * lto/lto.c (lto_1_to_1_map): Skip clones.
706         (read_cgraph_and_symbols): Do not mark everything as needed.
707         (do_whole_program_analysis): Do map only after optimizing;
708         set proper cgraph_state; use passmanager.
709
710 2010-04-19  DJ Delorie  <dj@redhat.com>
711
712         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
713         POINTER_PLUS_EXPR and fix them.
714
715 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
716
717         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
718         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
719         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
720         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
721         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
722         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
723         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
724         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
725         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
726         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
727         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
728
729 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
730
731         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
732         (check_cond_move_block): Likewise.
733         (cond_move_process_if_block): Likewise.
734         (noce_find_if_block): Improve formatting.
735         (find_if_header): Pass 0 to memset and tweak conditions.
736         (cond_exec_find_if_block): Fix long lines and tweak conditions.
737
738 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
739
740         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
741         for -gdwarf-4.
742
743         PR middle-end/43337
744         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
745         with non-local decl doesn't need chain.
746
747 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
748
749         * ira-color.c (allocno_reload_assign): Avoid accumulating
750         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
751
752 2010-04-19  Martin Jambor  <mjambor@suse.cz>
753
754         * gimple.h (create_tmp_reg): Declare.
755         * gimplify.c (create_tmp_reg): New function.
756         (gimplify_return_expr): Use create_tmp_reg.
757         (gimplify_omp_atomic): Likewise.
758         (gimple_regimplify_operands): Likewise.
759         * tree-dfa.c (make_rename_temp): Likewise.
760         * tree-predcom.c (predcom_tmp_var): Likewise.
761         (reassociate_to_the_same_stmt): Likewise.
762         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
763         (get_replaced_param_substitute): Likewise.
764         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
765         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
766         * tree-ssa-pre.c (get_representative_for): Likewise.
767         (create_expression_by_pieces): Likewise.
768         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
769         (create_tailcall_accumulator): Likewise.
770
771 2010-04-19  Martin Jambor  <mjambor@suse.cz>
772
773         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
774         new_stmt.
775         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
776
777 2010-04-19  Richard Guenther  <rguenther@suse.de>
778
779         PR tree-optimization/43796
780         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
781         from SCEV in the lattice.
782         (vrp_visit_phi_node): Dump change.
783
784 2010-04-19  Richard Guenther  <rguenther@suse.de>
785
786         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
787         * configure: Re-generated.
788
789 2010-04-19  Richard Guenther  <rguenther@suse.de>
790
791         PR tree-optimization/43783
792         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
793         constant ARRAY_REF operands two and three if possible.
794
795 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
796
797         PR target/43766
798         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
799
800 2010-04-19  Jie Zhang  <jie@codesourcery.com>
801
802         PR target/43662
803         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
804
805 2010-04-19  Ira Rosen  <irar@il.ibm.com>
806
807         PR tree-optimization/37027
808         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
809         and macro to access it.
810         (vectorizable_reduction): Add argument.
811         (vect_get_slp_defs): Likewise.
812         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
813         statements for possible use in SLP.
814         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
815         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
816         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
817         add new argument.
818         (vectorizable_reduction): Likewise.
819         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
820         vect_get_slp_defs.
821         (vectorizable_type_demotion, vectorizable_type_promotion,
822         vectorizable_store): Likewise.
823         (vect_analyze_stmt): Update call to vectorizable_reduction.
824         (vect_transform_stmt): Likewise.
825         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
826         (vect_build_slp_tree): Fix indentation. Check that there are no loads
827         from different interleaving chains in same node.
828         (vect_slp_rearrange_stmts): New function.
829         (vect_supported_load_permutation_p): Allow load permutations for
830         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
831         inside SLP nodes if necessary.
832         (vect_analyze_slp_instance): Handle reductions.
833         (vect_analyze_slp): Try to build SLP instances originating from groups
834         of reductions.
835         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
836         (vect_get_constant_vectors): Create initial vectors for reductions
837         according to reduction code. Add new argument.
838         (vect_get_slp_defs): Add new argument, pass it to
839         vect_get_constant_vectors.
840         (vect_schedule_slp_instance): Remove SLP tree root statements.
841
842 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
843
844         * tree.h (ENUM_IS_SCOPED): Define.
845         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
846         for ENUM_IS_SCOPED enums.
847
848 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
849
850         * fold-const.c (fold_comparison): Use ssizetype.
851         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
852         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
853         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
854         * tree-object-size.c (compute_object_sizes): Use size_type_node.
855
856         * tree.h (initialize_sizetypes): Remove parameter.
857         (build_common_tree_nodes): Remove second parameter.
858         * stor-layout.c (initialize_sizetypes): Remove parameter.
859         Always create an unsigned type.
860         (set_sizetype): Assert that the passed type is unsigned and simplify.
861         * tree.c (build_common_tree_nodes): Remove second parameter.
862         Adjust call to initialize_sizetypes.
863         * c-decl.c (c_init_decl_processing): Remove second argument in call to
864         build_common_tree_nodes.
865
866 2010-04-18  Matthias Klose  <doko@ubuntu.com>
867
868         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
869
870 2010-04-18  Ira Rosen  <irar@il.ibm.com>
871
872         PR tree-optimization/43771
873         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
874         load permutation doesn't have gaps.
875
876 2010-04-18  Jan Hubicka  <jh@suse.cz>
877
878         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
879         (sse_prologue_save_insn expander): Use new pattern.
880         (sse_prologue_save_insn1): New pattern and splitter.
881         (sse_prologue_save_insn): Update to deal also with 64bit aligned
882         blocks.
883         * i386.c (setup_incoming_varargs_64): Do not compute jump
884         destination here.
885         (ix86_gimplify_va_arg): Update alignment needed.
886         (ix86_local_alignment): Do not align all local arrays to 128bit.
887
888 2010-04-17  Jan Hubicka  <jh@suse.cz>
889
890         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
891
892 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
893
894         * arm.md (negdi2): Remove redundant code to force values into a
895         register.
896
897 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
898
899         * arm/bpabi.S: Add EABI alignment attributes to objects.
900         * arm/bpabi-v6m.S: Likewise.
901         * arm/crti.asm: Likewise.
902         * arm/crtn.asm: Likewise.
903         * arm/lib1funcs.asm: Likewise.
904         * arm/libunwind.S: Likewise.
905
906 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
907
908         * arm-protos.h (tune_params): New structure.
909         * arm.c (current_tune): New variable.
910         (arm_constant_limit): Delete.
911         (struct processors): Add pointer to the tune parameters.
912         (arm_slowmul_tune): New tuning option.
913         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
914         (all_cores): Adjust to pick up the tuning model.
915         (arm_constant_limit): New function.
916         (arm_override_options): Select the appropriate tuning model.  Delete
917         initialization of arm_const_limit.
918         (arm_split_constant): Use the new constant-limit model.
919         (arm_rtx_costs): Pick up the current tuning model.
920         * arm.md (is_strongarm, is_xscale): Delete.
921         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
922         for Xscale variant architectures.
923         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
924
925 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
926
927         * config/arm/arm.c (arm_gen_constant): Remove unused variable
928         can_shift.
929         (arm_rtx_costs_1): Remove unused variable extra_cost.
930         (arm_unwind_emit_set): Use variable offset.
931         (thumb1_output_casesi): Remove unused variable flags.
932
933 2010-04-16  Jeff Law  <law@redhat.com>
934
935         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
936         needing assignment rather than doing a two-phase assignment.  Remove
937         unused variable 'm'.
938
939 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
940
941         PR bootstrap/43767
942         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
943
944 2010-04-16  Doug Kwan  <dougkwan@google.com>
945
946         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
947         (next_operand_entry_id): New static variable.
948         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
949         (add_to_ops_vec): Assigned unique ID to operand entry.
950         (struct oecount_s): New field ID.
951         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
952         (undistribute_ops_list): Assign unique IDs to oecounts.
953         (init_reassoc): reset next_operand_entry_id.
954
955 2010-04-16  Doug Kwan  <dougkwan@google.com>
956
957         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
958         missing left parenthesis.
959
960 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
961
962         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
963         *btdi_rex64 using SWI48 mode iterator.
964         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
965         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
966         *jcc_btdi_mask_rex64.
967
968 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
969
970         * double-int.h (tree_to_double_int): Convert to macro.
971         * double-int.c (tree_to_double_int): Remove.
972
973 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
974
975         PR debug/43762
976         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
977         with want_address 2 and in case a single element list might be
978         possible, call it again with want_address 0.
979
980 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
981
982         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
983         case 'W' print operands for HI mode.
984         * config/h8300/h8300.h (Y0, Y2) : New constraints.
985         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
986         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
987         * config/h8300/predicate.md (bit_register_indirect_operand): New.
988
989         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
990
991         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
992         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
993         #xx:3 and #xx:4 mode.
994
995         * config/h8300/h8300.md (inverted load with HImode dest): Add
996         support for H8300SX.
997
998         * config/h8300/predicate.md (bit_operand): Allow immediate values that
999         satisfy 'U' constraint.
1000
1001 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1002
1003         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1004         * configure: Regenerate.
1005         * config.in: Regenerate.
1006         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1007         works.
1008
1009 2010-04-16  Richard Guenther  <rguenther@suse.de>
1010
1011         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1012         (struct tree_decl_common): ... here.
1013         (DECL_PT_UID): Adjust.
1014         (SET_DECL_PT_UID): Likewise.
1015         (DECL_PT_UID_SET_P): Likewise.
1016
1017 2010-04-16  Richard Guenther  <rguenther@suse.de>
1018
1019         PR tree-optimization/43572
1020         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1021         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1022         * tree-flow.h (is_call_clobbered): Remove.
1023         * tree-flow-inline.h (is_call_clobbered): Likewise.
1024         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1025         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1026         (execute_return_slot_opt): Adjust.
1027         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1028         check for call clobbered vars here.
1029         (find_tail_calls): Move tailcall verification to the
1030         proper place.
1031
1032 2010-04-16  Diego Novillo  <dnovillo@google.com>
1033
1034         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1035
1036 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1037
1038         PR target/40603
1039         * config/arm/arm.md (cbranchqi4): New pattern.
1040         * config/arm/predicates.md (const0_operand,
1041         cbranchqi4_comparison_operator): New predicates.
1042
1043 2010-04-16  Richard Guenther  <rguenther@suse.de>
1044
1045         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1046         (dump_gimple_stmt): Likewise.
1047
1048 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1049
1050         * recog.h (struct recog_data): New field is_operator.
1051         (struct insn_operand_data): New field is_operator.
1052         * recog.c (extract_insn): Set recog_data.is_operator.
1053         * genoutput.c (output_operand_data): Emit code to set the
1054         is_operator field.
1055         * reload.c (find_reloads): Use it rather than testing for an
1056         empty constraint string.
1057
1058         PR target/41514
1059         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1060         If the previous insn is a cbranchsi4_insn with the same arguments,
1061         omit the compare instruction.
1062
1063         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1064         register, inputs must be low registers and we need a low register
1065         scratch.  Handle alternative 2 like alternative 3.
1066
1067 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1068
1069         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1070         don't call get_addr on both.  If one expression is a VALUE and
1071         the other a REG, check VALUE's locs if the REG isn't among them.
1072
1073 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1074
1075         * config/sh/sh.h (sh_frame_pointer_required): New function.
1076         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1077         (flag_omit_frame_pointer) Set.
1078         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1079         (rounded_frame_size): Adjust size with outgoing_args_size.
1080         (sh_set_return_address): Must return from stack pointer.
1081         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1082         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1083         (ACCUMULATE_OUTGOING_ARGS): Define.
1084         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1085         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1086
1087 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1088
1089         PR target/43471
1090         * config/sh/sh.c (sh_legitimize_reload_address): Use
1091         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1092         Remove a unneeded check for offset_base.
1093
1094 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1095
1096         * configure: Regenerated.
1097
1098 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1099
1100         * config/s390/s390.c (s390_call_save_register_used): Switch back
1101         to HARD_REGNO_NREGS.
1102
1103 2010-04-15  Richard Guenther  <rguenther@suse.de>
1104
1105         * alias.c (alias_set_subset_of): Handle alias-set zero
1106         child properly.
1107
1108 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1109             Julian Brown  <julian@codesourcery.com>
1110
1111         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1112         alternatives according to use of high and low regs.
1113         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1114         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1115         optimizing for size on Thumb-2.
1116
1117 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1118
1119         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1120
1121 2010-04-15  Richard Guenther  <rguenther@suse.de>
1122
1123         * tree-ssa-structalias.c (struct variable_info): Add
1124         is_fn_info flag.
1125         (new_var_info): Initialize it.
1126         (dump_constraints): Support printing last added constraints.
1127         (debug_constraints): Adjust.
1128         (dump_constraint_graph): Likewise.
1129         (make_heapvar_for): Check for NULL cfun.
1130         (get_function_part_constraint): New function.
1131         (get_fi_for_callee): Likewise.
1132         (find_func_aliases): Properly implement IPA PTA constraints.
1133         (process_ipa_clobber): New function.
1134         (find_func_clobbers): Likewise.
1135         (insert_into_field_list_sorted): Remove.
1136         (create_function_info_for): Properly allocate vars for IPA mode.
1137         Do not use insert_into_field_list_sorted.
1138         (create_variable_info_for): Properly generate constraints for
1139         global vars in IPA mode.
1140         (dump_solution_for_var): Always dump the solution.
1141         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1142         (find_what_var_points_to): Adjust.
1143         (pt_solution_set): Change.
1144         (pt_solution_ior_into): New function.
1145         (pt_solution_empty_p): Export.
1146         (pt_solution_includes_global): Adjust.
1147         (pt_solution_includes_1): Likewise.
1148         (pt_solutions_intersect_1): Likewise.
1149         (dump_sa_points_to_info): Check some invariants.
1150         (solve_constraints): Move constraint dumping ...
1151         (compute_points_to_sets): ... here.
1152         (ipa_pta_execute): ... and here.
1153         (compute_may_aliases): Do not re-compute points-to info
1154         locally if IPA info is available.
1155         (ipa_escaped_pt): New global var.
1156         (ipa_pta_execute): Properly implement IPA PTA.
1157         * tree-into-ssa.c (dump_decl_set): Support dumping
1158         decls not in referenced-vars.
1159         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1160         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1161         (dump_points_to_solution): Likewise.
1162         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1163         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1164         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1165         (copy_decl_to_var): Copy DECL_PT_UID.
1166         (copy_result_decl_to_var): Likewise.
1167         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1168         (copy_node_stat): Copy it.
1169         * tree.h (DECL_PT_UID): New macro.
1170         (SET_DECL_PT_UID): Likewise.
1171         (DECL_PT_UID_SET_P): Likewise.
1172         (struct tree_decl_minimal): Add pt_uid member.
1173         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1174         (pt_solution_empty_p): Declare.
1175         (pt_solution_set): Adjust.
1176         (ipa_escaped_pt): Declare.
1177         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1178         * gimple-pretty-print.c (pp_points_to_solution): New function.
1179         (dump_gimple_call): Dump call clobber/use information.
1180         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1181         * tree-pass.h (TDF_ALIAS): New dump option.
1182         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1183         * doc/invoke.texi (-fipa-pta): Update documentation.
1184
1185 2010-04-15  Richard Guenther  <rguenther@suse.de>
1186
1187         * Makefile.in (OBJS-common): Add gimple-fold.o.
1188         (gimple-fold.o): New rule.
1189         * tree.h (maybe_fold_offset_to_reference,
1190         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1191         prototypes ...
1192         * gimple.h: ... here.
1193         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1194         may_propagate_address_into_dereference): Move prototypes ...
1195         * gimple.h: ... here.
1196         * tree-ssa-ccp.c (get_symbol_constant_value,
1197         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1198         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1199         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1200         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1201         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1202         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1203         gimplify_and_update_call_from_tree): Move ...
1204         * gimple-fold.c: ... here.  New file.
1205         (ccp_fold_builtin): Rename to ...
1206         (gimple_fold_builtin): ... this.
1207         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1208
1209 2010-04-15  Richard Guenther  <rguenther@suse.de>
1210
1211         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1212         fit_double_type, force_fit_type_double, add_double_with_sign,
1213         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1214         lrotate_double, rrotate_double, div_and_round_double): Move ...
1215         * double-int.c: ... here.
1216         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1217         add_double, neg_double, mul_double_with_sign, mul_double,
1218         lshift_double, rshift_double, lrotate_double, rrotate_double,
1219         div_and_round_double): Move prototypes ...
1220         * double-int.h: ... here.
1221
1222 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1223
1224         PR target/43742
1225         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1226         matching constraints to ensure inputs match the output.
1227
1228 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1229
1230         PR target/43742
1231         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1232         in an input-only operand.
1233
1234 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1235
1236         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1237         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1238         (double_int_negative_p): Convert to static inline function.
1239         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1240         (double_int_negative_p): Remove.
1241         * tree.h (lshift_double, rshift_double):
1242         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1243         * fold-const.c (fold_convert_const_int_from_real,
1244         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1245         (lshift_double): Change type of arith argument to bool.
1246         (rshift_double): Change type of arith argument to bool. Correct
1247         comment.
1248         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1249
1250 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1251
1252         PR target/21803
1253         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1254         at the start and end of the then/else blocks, and omit them from the
1255         conversion.
1256         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1257         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1258         (flow_find_head_matching_sequence): New function.
1259         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1260         * basic-block.h (flow_find_cross_jump,
1261         flow_find_head_matching_sequence): Declare functions.
1262
1263 2010-04-14  Jason Merrill  <jason@redhat.com>
1264
1265         PR c++/36625
1266         * c-common.c (attribute_takes_identifier_p): New fn.
1267         * c-common.h: Declare it.
1268
1269 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1272         splitter condition.
1273         (*udivmod<mode>4): Ditto.
1274
1275 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1276
1277         * config/i386/i386.md (maxmin_int): Rename code attribute from
1278         maxminiprefix and update all users.
1279         (maxmin_float): Ditto from maxminfprefix.
1280         (logic): Ditto from logicprefix.
1281         (absneg_mnemonic): Ditto from absnegprefix.
1282         * config/i386/mmx.md: Update all users of maxminiprefix,
1283         maxminfprefix and logicprefix for rename.
1284         * config/i386/sse.md: Ditto.
1285         * config/i386/sync.md (sync_<code><mode>): Update for
1286         logicprefix rename.
1287
1288 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1289
1290         PR 42966
1291         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1292         warnings converted to errors.
1293
1294 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1297         used insn_type variable.
1298         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1299         to avoid set-but-not-used warning.
1300
1301 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1302
1303         * df-core.c (df_ref_debug): Change format string placeholder
1304         from 0x%x to %#x.
1305         * dwarf2asm.c (dw2_asm_output_data_raw,
1306         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1307         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1308         * dwarf2out.c (output_cfi, output_cfi_directive,
1309         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1310         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1311         Ditto.
1312         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1313         * print-rtl.c (print_rtx): Ditto.
1314
1315 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1316
1317         PR middle-end/42694
1318         * builtins.c (expand_builtin_pow_root): New function to expand pow
1319         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1320         series of sqrt and cbrt calls under -ffast-math.
1321         (expand_builtin_pow): Call it.
1322
1323 2010-04-14  Michael Matz  <matz@suse.de>
1324
1325         PR tree-optimization/42963
1326         * tree-cfg.c (touched_switch_bbs): New static variable.
1327         (group_case_labels_stmt): New function broken out from ...
1328         (group_case_labels): ... here, use the above.
1329         (start_recording_case_labels): Allocate touched_switch_bbs.
1330         (end_recording_case_labels): Deallocate it, call
1331         group_case_labels_stmt.
1332         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1333
1334 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1335
1336         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1337         from insn template.
1338
1339 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1340
1341         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1342
1343 2010-04-13  Jan Hubicka  <jh@suse.cz>
1344
1345         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1346         of optimized out static functions.
1347         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1348         cost computation.  Also sanity check for overflows.
1349         (update_caller_keys): Update cgraph_edge_badness call; properly
1350         update fibheap and sanity check that it is up to date.
1351         (add_new_edges_to_heap): Update cgraph_edge_badness.
1352         (cgraph_decide_inlining_of_small_function): Likewise;
1353         add sanity checking that badness in heap is up to date;
1354         improve dumping of reason; Update badness of calls to the
1355         offline copy of function currently inlined; dump badness
1356         of functions not inlined because of unit growth limits.
1357
1358 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1359
1360         PR middle-end/32628
1361         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1362         because of sign-extension change when converting to sizetype here...
1363         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1364
1365         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1366         the folding to constants.  Remove redundant final conversion.
1367         (fold_binary) <associate>: Do not associate if the re-association of
1368         constants alone overflows.
1369         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1370         to the end of the list.
1371         (multiple_of_p) <COND_EXPR>: New case.
1372
1373 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1374
1375         * opt-functions.awk (opt_sanitized_name): New.
1376         (opt_enum): New.
1377         * optc-gen.awk: Use it
1378         * opth-gen.awk: Use it.
1379
1380 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1381
1382         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1383         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1384         children.  Call replace_uses_with_default_def_ssa_name to handle
1385         SSA_NAES on lhs.
1386
1387 2010-04-13  Michael Matz  <matz@suse.de>
1388
1389         PR middle-end/43730
1390         * builtins.c (expand_builtin_interclass_mathfn): Also create
1391         a register if the predicate doesn't match.
1392
1393 2010-04-13  Diego Novillo  <dnovillo@google.com>
1394
1395         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1396         * c-pch.c: Include timevar.h.
1397         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1398         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1399         * ggc-common.c: Include timevar.h.
1400         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1401         * timevar.def (TV_PCH_SAVE): Define.
1402         (TV_PCH_CPP_SAVE): Define.
1403         (TV_PCH_PTR_REALLOC): Define.
1404         (TV_PCH_PTR_SORT): Define.
1405         (TV_PCH_RESTORE): Define.
1406         (TV_PCH_CPP_RESTORE): Define.
1407
1408 2010-04-13  Michael Matz  <matz@suse.de>
1409
1410         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1411         into MINUS_EXPRs.
1412         (can_reassociate_p): New function.
1413         (break_up_subtract_bb, reassociate_bb): Use it.
1414
1415 2010-04-13  Richard Guenther  <rguenther@suse.de>
1416
1417         PR bootstrap/43737
1418         * builtins.c (c_readstr): Fix assert.
1419
1420 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1421
1422         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1423         when generating cltd insn.
1424
1425         (*ashl<mode>3_1): Remove special handling for register operand 2.
1426         (*ashlsi3_1_zext): Ditto.
1427         (*ashlhi3_1): Ditto.
1428         (*ashlhi3_1_lea): Ditto.
1429         (*ashlqi3_1): Ditto.
1430         (*ashlqi3_1_lea): Ditto.
1431         (*<shiftrt_insn><mode>3_1): Ditto.
1432         (*<shiftrt_insn>si3_1_zext): Ditto.
1433         (*<shiftrt_insn>qi3_1_slp): Ditto.
1434         (*<rotate_insn><mode>3_1): Ditto.
1435         (*<rotate_insn>si3_1_zext): Ditto.
1436         (*<rotate_insn>qi3_1_slp): Ditto.
1437
1438 2010-04-13  Richard Guenther  <rguenther@suse.de>
1439
1440         * tree-ssa-structalias.c (callused_id): Remove.
1441         (call_stmt_vars): New.
1442         (get_call_vi): Likewise.
1443         (lookup_call_use_vi): Likewise.
1444         (lookup_call_clobber_vi): Likewise.
1445         (get_call_use_vi): Likewise.
1446         (get_call_clobber_vi): Likewise.
1447         (make_transitive_closure_constraints): Likewise.
1448         (handle_const_call): Adjust to do per-call call-used handling.
1449         (handle_pure_call): Likewise.
1450         (find_what_var_points_to): Remove general callused handling.
1451         (init_base_vars): Likewise.
1452         (init_alias_vars): Initialize call_stmt_vars.
1453         (compute_points_to_sets): Process call-used and call-clobbered
1454         vars for call statements.
1455         (delete_points_to_sets): Free call_stmt_vars.
1456
1457 2010-04-13  Richard Guenther  <rguenther@suse.de>
1458
1459         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1460         Only add RW dependence for dependence distance zero.
1461         Adjust maximal vectorization factor according to dependences.
1462         Move alignment handling ...
1463         (vect_find_same_alignment_drs): ... here.  New function.
1464         (vect_analyze_data_ref_dependences): Adjust.
1465         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1466         (vect_analyze_data_refs): Adjust minimal vectorization factor
1467         according to data references.
1468         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1469         dependences before determining the vectorization factor.
1470         Analyze alignment after determining the vectorization factor.
1471         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1472         dependences before alignment.
1473         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1474         Adjust prototype.
1475         (vect_analyze_data_refs): Likewise.
1476         (MAX_VECTORIZATION_FACTOR): New define.
1477
1478 2010-04-13  Duncan Sands  <baldrick@free.fr>
1479
1480         * except.h (lang_eh_type_covers): Remove.
1481         * except.c (lang_eh_type_covers): Likewise.
1482
1483 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1484             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1485
1486         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1487         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1488         UNITS_PER_LONG where it is ABI relevant.
1489         (s390_return_addr_rtx): Likewise.
1490         (s390_back_chain_rtx): Likewise.
1491         (s390_frame_area): Likewise.
1492         (s390_frame_info): Likewise.
1493         (s390_initial_elimination_offset): Likewise.
1494         (save_gprs): Likewise.
1495         (s390_emit_prologue): Likewise.
1496         (s390_emit_epilogue): Likewise.
1497         (s390_function_arg_advance): Likewise.
1498         (s390_function_arg): Likewise.
1499         (s390_va_start): Likewise.
1500         (s390_gimplify_va_arg): Likewise.
1501         (s390_function_profiler): Likewise.
1502         (s390_optimize_prologue): Likewise.
1503         (s390_rtx_costs): Likewise.
1504         (s390_secondary_reload): Likewise.
1505         (s390_promote_function_mode): Likewise.
1506         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1507         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1508         registers available.
1509         (s390_unwind_word_mode): New function.
1510         (s390_function_value): Split 64 bit values into register pair if
1511         used as return value.
1512         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1513         function call parameters.  Handle parallels.
1514         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1515         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1516         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1517         (s390_expand_setmem): Remove unused variable src_addr.
1518         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1519         deal with 64 bit registers.
1520         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1521         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1522         (UNITS_PER_LONG): New macro.
1523         * libjava/include/s390-signal.h: Define extended ucontext
1524         structure containing the upper halfs of the 64 bit registers.
1525
1526 2010-04-13  Simon Baldwin  <simonb@google.com>
1527
1528         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1529
1530 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1531
1532         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1533         rvalue on the RHS if the LHS is of a non-renamable type.
1534         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1535
1536 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1537
1538         * gcc.c (cc1_options): Handle -iplugindir before processing
1539         the cc1 spec. Only add -iplugindir once.
1540         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1541         found.
1542         * common.opt (iplugindir): Remove `Separate' property, initialize.
1543         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1544         option.
1545         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1546         (distclean): Remove plugin dir.
1547         * doc/invoke.texi: Document -iplugindir.
1548
1549 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1550
1551         * doc/plugins.texi (Loading Plugins): Document short
1552         -fplugin=foo option.
1553         (Plugin API): Mention default_plugin_dir_name function.
1554
1555         * gcc.c (find_file_spec_function): Add new declaration.
1556         (static_spec_func): Use it for "find-file".
1557         (find_file_spec_function): Add new function.
1558         (cc1_options): Add -iplugindir option if -fplugin* options found.
1559
1560         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1561
1562         * plugin.c (add_new_plugin): Updated comment, and handle short
1563         plugin name.
1564         (default_plugin_dir_name): Added new function.
1565
1566         * common.opt (iplugindir): New option to set the plugin directory.
1567
1568 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1569
1570         * config/i386/i386.md (any_rotate): New code iterator.
1571         (rotate_insn): New code attribute.
1572         (rotate): Ditto.
1573         (SWIM124): New mode iterator.
1574         (<rotate_insn>ti3): New expander.
1575         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1576         any_rotate code iterator.
1577         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1578         using any_rotate code iterator and SWIM124 mode iterator.
1579         (ix86_rotlti3): New insn_and_split pattern.
1580         (ix86_rotrti3): Ditto.
1581         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1582         ix86_rotl{di,ti}3 patterns.
1583         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1584         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1585         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1586         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1587         code iterator and SWI mode iterator.
1588         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1589         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1590         code iterator.
1591         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1592         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1593         (bswap rotatert splitter): Add splitter.
1594         (bswap splitter): Macroize splitter using any_rotate code iterator.
1595         Add insn predicate to split only for TARGET_USE_XCHGB or when
1596         optimizing function for size.
1597
1598 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1599
1600         * config/pa/pa.c (emit_move_sequence): Remove use of
1601         deleted variable flag_argument_noalias.
1602
1603 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1604
1605         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1606         configurations.
1607         Add to unsupported targets list.
1608         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1609         sparc*-sun-solaris2.[567]* from target lists.
1610         * configure: Regenerate.
1611         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1612         removal.
1613         Remove Solaris 7 patch references.
1614         (Specific, sparc-sun-solaris2.7): Removed.
1615         (sparc-sun-solaris2*): Update Solaris 7 example.
1616         (sparc64-*-solaris2*): Likewise.
1617
1618 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1619
1620         * config.build (alpha*-dec-osf4*): Remove.
1621         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1622         of obsolete configurations.
1623         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1624         support.
1625         * config/alpha/t-osf4: Renamed to ...
1626         * config/alpha/t-osf5: ... this.
1627         * config/alpha/osf.h: Renamed to ...
1628         * config/alpha/osf5.h: ... this.
1629         Merged old osf5.h contents.
1630         Update comments.
1631         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1632         (EXTRA_SPECS): Removed.
1633         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1634         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1635         Document that.
1636
1637 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1638
1639         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1640
1641 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1642
1643         PR/43702
1644         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1645         __thiscall convention.
1646
1647 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1648
1649         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1650         orig_base.
1651         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1652
1653 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1654
1655         * function.c (assign_parms_initialize_all): Add unused attribute
1656         to fntype.
1657
1658 2010-04-12  Richard Guenther  <rguenther@suse.de>
1659
1660         * gsstruct.def (GSS_CALL): New.
1661         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1662         * gimple.h: Include tree-ssa-alias.h.
1663         (struct gimple_statement_call): New.
1664         (union gimple_statement_struct_d): Add gimple_call member.
1665         (gimple_call_reset_alias_info): Declare.
1666         (gimple_call_use_set): New function.
1667         (gimple_call_clobber_set): Likewise.
1668         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1669         * gimple.c (gimple_call_reset_alias_info): New function.
1670         (gimple_build_call_1): Call it.
1671         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1672         * tree-inline.c (remap_gimple_stmt): Likewise.
1673         (expand_call_inline): Remove callused handling.
1674         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1675         * tree-dfa.c (dump_variable): Likewise.
1676         * tree-parloops.c (parallelize_loops): Likewise.
1677         * tree-ssa.c (init_tree_ssa): Likewise.
1678         (delete_tree_ssa): Likewise.
1679         * tree-flow-inline.h (is_call_used): Remove.
1680         * tree-flow.h (struct gimple_df): Remove callused member.
1681         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1682         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1683         (ref_maybe_used_by_call_p_1): Simplify.
1684         (call_may_clobber_ref_p_1): Likewise.
1685         * tree-ssa-structalias.c (compute_points_to_sets): Set
1686         the call stmt used and clobbered sets.
1687         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1688         (find_tail_calls): Verify the tail call.
1689
1690 2010-04-12  Richard Guenther  <rguenther@suse.de>
1691
1692         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1693         single-iteration always-inline inlining.
1694         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1695         (cgraph_decide_inlining): Do not handle always-inline specially.
1696         (try_inline): Remove always-inline cycle detection special case.
1697         Do not recurse on always-inlines.
1698         (cgraph_early_inlining): Do not iterate if not optimizing.
1699         (cgraph_gate_early_inlining): remove.
1700         (pass_early_inline): Run unconditionally.
1701         (gate_cgraph_decide_inlining): New function.
1702         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1703         not inlining or optimizing.
1704         (cgraph_decide_inlining_of_small_functions): Also consider
1705         always-inline functions.
1706         (cgraph_default_inline_p): Return true for nodes which should
1707         disregard inline limits.
1708         (estimate_function_body_sizes): Assume zero size and time for
1709         nodes which are marked as disregarding inline limits.
1710         (cgraph_decide_recursive_inlining): Do not perform recursive
1711         inlining on always-inline nodes.
1712
1713 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR bootstrap/43699
1716         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1717         for exprs satisfying handled_component_p.
1718
1719 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1720
1721         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1722         non-constant aggregate elements.
1723
1724         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1725         is a real initialization.
1726
1727 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1728
1729         PR c/36774
1730         * c-decl.c (start_function): Move forward check for nested function.
1731
1732 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1733
1734         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1735         * config/sh/sh.c: Include reload.h.
1736         (sh_legitimize_reload_address): New.
1737         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1738         sh_legitimize_reload_address.
1739
1740 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1741
1742         * config/sh/sh.md (*movqi_pop): New insn pattern.
1743         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1744
1745 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         * config/i386/i386.md (any_shiftrt): New code iterator.
1748         (shiftrt_insn): New code attribute.
1749         (shiftrt): Ditto.
1750         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1751         using any_shiftrt code iterator.
1752         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1753         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1754         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1755         pattern from corresponding peephole2 patterns.
1756         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1757         using any_shiftrt code iterator.
1758         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1759         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1760         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1761         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1762         *{ashr,lshr}<mode>3_cmp_zext.
1763         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1764
1765 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1766
1767         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1768         scratch register.
1769         (*lshr<mode>3_cconly): Ditto.
1770
1771 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1772
1773         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1774         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1775         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1776         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1777         DWI mode iterator.
1778         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1779         from corresponding peephole2 patterns.
1780         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1781         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1782         and *lshrdi3_1_rex64 using SWI mode iterator.
1783         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1784         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1785         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1786         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1787         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1788         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1789         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1790         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1791         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1792         SWI mode iterator.
1793
1794 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1795
1796         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1797         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1798         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1799         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1800         DWI mode iterator.
1801         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1802         from corresponding peephole2 patterns.
1803         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1804         (ashrsi3_cvt): Rename from ashrsi3_31.
1805         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1806         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1807         and x86_64_shift_adj_3 using SWI48 mode iterator.
1808         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1809         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1810         and *ashrdi3_1_rex64 using SWI mode iterator.
1811         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1812         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1813         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1814         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1815         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1816         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1817         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1818         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1819         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1820         SWI mode iterator.
1821         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1822         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1823         x86_shift<mode>_adj_3 expanders.
1824
1825 2010-04-10  Wei Guozhi  <carrot@google.com>
1826
1827         PR target/42601
1828         * config/arm/arm.c (arm_pic_static_addr): New function.
1829         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1830         a static symbol.
1831         (arm_output_addr_const_extra): Output expression for new pattern.
1832         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1833
1834 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1835
1836         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1837         not enabled.
1838
1839         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1840         * web.c: Include "insn-config.h" and "recog.h".
1841         (union_match_dups): New function.
1842         (web_main): Call it.
1843         (union_defs): Don't try to recognize match_dups.
1844
1845         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1846         if doing so would replace the entire pattern.
1847
1848 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1849
1850         PR target/43707
1851         PR target/43709
1852         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1853         and splitter pattern.  Change splitter operand 1 predicate to
1854         nonmemory_operand.
1855
1856 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1857
1858         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1859         lattices are addresses of CONST_DECLs with the same initial value.
1860         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1861         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1862
1863 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1864             Bernd Schmidt  <bernds@codesourcery.com>
1865
1866         * loop-invariant.c (replace_uses): New static function.
1867         (move_invariant_reg): Use it to ensure we can replace the uses.
1868
1869 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1870
1871         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1872         function template.
1873         (picochip_override_options): Enable section anchors only above -O1.
1874         (picochip_reorg): Fixed a couple of build warnings.
1875
1876 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1877
1878         * configure.ac (plugin -rdynamic test): Log result.
1879         * configure: Regenerate.
1880         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1881         (RDYNAMIC_SPEC): Define.
1882         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1883
1884 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1885
1886         * configure.ac: Determine Sun ld version numbers.
1887         (comdat_group): Restrict GNU ld version checks to gld.
1888         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1889         (enable_comdat): Support --enable-comdat.
1890         * configure: Regenerate.
1891         * doc/install.texi (Configuration): Document --enable-comdat.
1892
1893 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1894
1895         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1896         * config/sol2-gld.h: ... here.
1897         * config.gcc (sparc*-*-solaris2*): Reflect this.
1898         (i[34567]86-*-solaris2*): Use it.
1899
1900 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1901
1902         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1903         setup_clocks_p.
1904         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1905
1906 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1907
1908         PR 42965
1909         * diagnostic.c (diagnostic_initialize): Initialize
1910         some_warnings_are_errors.
1911         (diagnostic_finish): New.
1912         (diagnostic_action_after_output): Call it before exiting.
1913         (diagnostic_report_diagnostic): Do not print message here. Set
1914         some_warnings_are_errors.
1915         * diagnostic.h (diagnostic_context): Delete
1916         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1917         (diagnostic_finish): Declare.
1918         * toplev.c (toplev_main): Call it before exit.
1919
1920 2010-04-09  Jason Merrill  <jason@redhat.com>
1921
1922         PR c++/42623
1923         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1924         for incomplete type.
1925
1926         PR c++/41788
1927         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1928         based on a warning flag.
1929
1930 2010-04-09  Richard Guenther  <rguenther@suse.de>
1931
1932         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1933
1934 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1935
1936         PR bootstrap/43684
1937         * varasm.c (default_assemble_visibility): Wrap vars that are
1938         set, but unused, by targets without GAS.
1939         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1940         Remove set, but unused, vars.
1941         (rs6000_legitimize_tls_address): Likewise.
1942         (altivec_expand_dst_builtin): Likewise.
1943         * config/darwin.c (machopic_classify_symbol): Likewise.
1944         (machopic_indirection_name): Likewise.
1945
1946 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1947
1948         * config/i386/i386.md (DWI): New mode iterator.
1949         (S): New mode attribute.
1950         (shift_operand): Ditto.
1951         (shift_immediate_operand): Ditto.
1952         (ashl_input_operand): Ditto.
1953         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1954         using SDWIM mode iterator.
1955         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1956         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1957         DWI mode iterator.
1958         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1959         from corresponding peephole2 patterns.
1960         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1961         and x86_64_shift_adj_1 using SWI48 mode iterator.
1962         (x86_shift<mode>_adj_2): Ditto.
1963         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1964         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1965         using SWI48 mode iterator.
1966         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1967         *ashldi3_cmp_rex64 using SWI mode iterator.
1968         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1969         *ashldi3_cconly_rex64 using SWI mode iterator.
1970         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1971         x86_shift<mode>_adj_{1,2}.
1972         (ix86_split_ashr): Ditto.
1973         (ix86_split_lshr): Ditto.
1974
1975 2010-04-09  Richard Guenther  <rguenther@suse.de>
1976
1977         * target.h (builtin_conversion): Pass in input and output types.
1978         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1979         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1980         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1981         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1982
1983         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1984         Handle AVX modes.
1985         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1986
1987 2010-04-09  Richard Guenther  <rguenther@suse.de>
1988
1989         PR target/43152
1990         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1991
1992 2010-04-09  Richard Guenther  <rguenther@suse.de>
1993
1994         * tree-vectorizer.h (struct _stmt_vec_info): Document
1995         that vectype is the type of the LHS.
1996         (supportable_widening_operation, supportable_narrowing_operation):
1997         Get both input and output vector types as arguments.
1998         (vect_is_simple_use_1): Declare.
1999         (get_same_sized_vectype): Likewise.
2000         * tree-vect-loop.c (vect_determine_vectorization_factor):
2001         Set STMT_VINFO_VECTYPE to the vector type of the def.
2002         (vectorizable_reduction): Adjust.
2003         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2004         Adjust.  Specify the output vector type.
2005         (vect_pattern_recog_1): Adjust.
2006         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2007         (vectorizable_call): Adjust.
2008         (vectorizable_conversion): Likewise.
2009         (vectorizable_operation): Likewise.
2010         (vectorizable_type_demotion): Likewise.
2011         (vectorizable_type_promotion): Likewise.
2012         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2013         the def.
2014         (vect_is_simple_use_1): New function.
2015         (supportable_widening_operation): Get both input and output
2016         vector types.
2017         (supportable_narrowing_operation): Likewise.
2018         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2019
2020 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2021
2022         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2023         __thiscall and _thiscall as predefined macros.
2024         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2025         thiscall attribute handling.
2026         (ix86_comp_type_attributes): Likewise.
2027         (ix86_function_regparm): Likewise.
2028         (ix86_return_pops_args): Likewise.
2029         (init_cumulative_args): Likewise.
2030         (find_drap_reg): Likewise.
2031         (ix86_static_chain): Likewise.
2032         (x86_this_parameter): Likewise.
2033         (x86_output_mi_thunk): Likewise.
2034         (ix86_attribute_table): Add description for thiscall attribute.
2035         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2036         * doc/extend.texi: Add documentation for thiscall.
2037
2038 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2039
2040         PR c++/28584
2041         * c.opt (Wint-to-pointer-cast): Available in C++.
2042         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2043
2044 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2047         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2048         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2049         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2050         function type instead.  Reorder and simplify checks.
2051
2052         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2053
2054 2010-04-08  Jing Yu  <jingyu@google.com>
2055             Zdenek Dvorak  <ook@ucw.cz>
2056
2057         PR tree-optimization/42720
2058         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2059         loop unswitch conditions here from ...
2060         (tree_unswitch_single_loop): ... here.
2061
2062 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2063
2064         * tree-if-conv.c: Fix comments and simplify logic.
2065
2066 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2067
2068         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2069         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2070         (main_tree_if_conversion): Update call to tree_if_conversion.
2071
2072 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2073
2074         PR 42485
2075         * doc/invoke.texi (-b,-V): Delete.
2076         * doc/tm.texi: Do not mention -b.
2077         * gcc.c (display_help): Delete -b and -V.
2078         (process_command): Delete -b and -V.
2079         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2080
2081 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2082             Wolfgang Gellerich  <gellerich@de.ibm.com>
2083
2084         Implement target hook for loop unrolling
2085         * target.h (loop_unroll_adjust): Add a new target hook function.
2086         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2087         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2088         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2089         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2090         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2091         target hook.
2092         (decide_unroll_stupid): Likewise.
2093
2094 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2095
2096         PR target/43643
2097         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2098
2099 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2100
2101         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2102         (Specific, *-*-solaris2*): Likewise.
2103         Don't prefer Sun as over GNU as.
2104
2105 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2106
2107         * config/s390/s390.c (override_options): Adjust the z10
2108           defaults for max-unroll-times, max-completely-peeled-insns
2109           and max-completely-peel-times.
2110
2111 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2112
2113         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2114         instructions for z10.
2115         (s390_expand_setmem): Likewise.
2116         (s390_expand_cmpmem): Likewise.
2117
2118 2010-04-08  Richard Guenther  <rguenther@suse.de>
2119
2120         PR tree-optimization/43679
2121         * tree-ssa-pre.c (eliminate): Only propagate copies.
2122
2123 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2124
2125         PR bootstrap/43681
2126         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2127         set but not used variable warning.
2128
2129 2010-04-08  Wei Guozhi  <carrot@google.com>
2130
2131         PR target/41653
2132         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2133         (arm_size_rtx_costs): Call the new function when optimized for size.
2134
2135 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR debug/43670
2138         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2139         op0 is not a MEM, just return NULL instead of assertion
2140         failure.
2141         (discover_nonconstant_array_refs): Don't walk debug stmts.
2142
2143 2010-04-08  Doug Kwan  <dougkwan@google.com>
2144
2145         * configure.ac: Recognize gold and do not use its version number
2146         to test ld features.
2147         * configure: Regenerate.
2148
2149 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2150
2151         PR middle-end/40815
2152         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2153         (negate_value): Move code to push elements to broken_up_substracts ...
2154         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2155         negative pair to plus_negates.
2156         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2157
2158 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2159
2160         * doc/install.texi (Configuration): Move description of
2161         --enable-lto, --with-libelf*, --enable-gold from Java section to
2162         general section.
2163
2164         * doc/generic.texi (Working with declarations)
2165         (Function Properties, C and C++ Trees): Fix typos.
2166         * doc/sourcebuild.texi (Top Level): Likewise.
2167
2168 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2169
2170         PR c/18624
2171         * tree.h (DECL_READ_P): Define.
2172         (struct tree_decl_common): Add decl_read_flag.
2173         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2174         a set but not used warning.
2175         (merge_decls): Merge DECL_READ_P flag.
2176         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2177         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2178         * c-common.c (handle_used_attribute, handle_unused_attribute):
2179         Likewise.
2180         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2181         New prototypes.
2182         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2183         New functions.
2184         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2185         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2186         c_parser_binary_expression, c_parser_cast_expression,
2187         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2188         Call default_function_array_read_conversion instead of
2189         default_function_array_conversion where needed.
2190         (c_parser_unary_expression, c_parser_conditional_expression,
2191         c_parser_postfix_expression_after_primary, c_parser_initelt):
2192         Likewise.  Call mark_exp_read where needed.
2193         (c_parser_statement_after_labels, c_parser_asm_operands,
2194         c_parser_typeof_specifier, c_parser_sizeof_expression,
2195         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2196         where needed.
2197         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2198         New.
2199         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2200         (warn_unused_but_set_parameter): Default to warn_unused
2201         && extra_warnings.
2202         * doc/invoke.texi: Document -Wunused-but-set-variable and
2203         -Wunused-but-set-parameter.
2204
2205         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2206         used count variable.
2207         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2208         when operandN variables aren't used in the body of the expander
2209         or splitter.
2210         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2211         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2212         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2213         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2214         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2215         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2216         * tree.c (PROCESS_ARG): Likewise.
2217
2218 2010-04-07  Simon Baldwin  <simonb@google.com>
2219
2220         * diagnostic.h (diagnostic_override_option_index): New macro to
2221         set a diagnostic's option_index.
2222         * c-tree.h (c_cpp_error): Add warning reason argument.
2223         * opts.c (_warning_as_error_callback): New.
2224         (register_warning_as_error_callback): Store callback for
2225         warnings enabled via enable_warning_as_error.
2226         (enable_warning_as_error): Call callback, minor code tidy.
2227         * opts.h (register_warning_as_error_callback): Declare.
2228         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2229         response to -Werror=.
2230         (c_common_init_options): Register warning_as_error_callback in opts.c.
2231         * common.opt: Add -Wno-cpp option.
2232         * c-common.c (struct reason_option_codes_t): Map cpp warning
2233         reason codes to gcc option indexes.
2234         * (c_option_controlling_cpp_error): New function, lookup the gcc
2235         option index for a cpp warning reason code.
2236         * (c_cpp_error): Add warning reason argument, call
2237         c_option_controlling_cpp_error for diagnostic_override_option_index.
2238         * doc/invoke.texi: Document -Wno-cpp.
2239
2240 2010-04-07  Richard Guenther  <rguenther@suse.de>
2241
2242         * ipa-reference.c (mark_load): Use get_base_address.
2243         (mark_store): Likewise.
2244
2245         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2246         inserting GIMPLE_NOPs into the IL.
2247         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2248         Explicitly strip handled components and indirect references.
2249
2250         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2251         folding address expressions.
2252         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2253         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2254         operand_equal_p to compare decls.
2255         (ptr_deref_may_alias_decl_p): Likewise.
2256         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2257         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2258         Handle reversed comparison ops.
2259         * tree-sra.c (asm_visit_addr): Use get_base_address.
2260         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2261         * ipa-reference.c (mark_address): Use get_base_address.
2262
2263 2010-04-07  Richard Guenther  <rguenther@suse.de>
2264
2265         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2266         Propagate constants everywhere.
2267
2268 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2269
2270         PR debug/43516
2271         * tree.c (MAX_INT_CACHED_PREC): Define.
2272         (nonstandard_integer_type_cache): New array.
2273         (build_nonstandard_integer_type): Cache results for precision
2274         <= MAX_INT_CACHED_PREC.
2275
2276 2010-04-07  Richard Guenther  <rguenther@suse.de>
2277
2278         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2279         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2280         * common.opt: Likewise.
2281         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2282         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2283         (nonoverlapping_memrefs_p): Likewise.
2284         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2285         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2286         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2287         OPT_fargument_noalias_global for backward compatibility.
2288
2289 2010-04-07  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/43270
2292         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2293         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2294         * tree-ssa-pre.c (phi_translate_1): Adjust.
2295         (fully_constant_expression): Split out vn_reference handling to ...
2296         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2297         Fold reads from constant strings.
2298         (vn_reference_lookup): Handle fully constant references.
2299         (vn_reference_lookup_pieces): Likewise.
2300         * Makefile.in (expmed.o-warn): Add -Wno-error.
2301
2302 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2303
2304         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2305
2306 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2307
2308         PR driver/41594
2309         * gcc.c: Add -static-libstdc++ to list of recognized options.
2310
2311 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2312
2313         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2314
2315 2010-04-07  Richard Guenther  <rguenther@suse.de>
2316
2317         PR middle-end/42617
2318         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2319         bases build simple mem attributes to retain points-to information.
2320
2321 2010-04-07  Richard Guenther  <rguenther@suse.de>
2322
2323         PR middle-end/42617
2324         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2325         preserve points-to related information.
2326
2327 2010-04-07  Richard Guenther  <rguenther@suse.de>
2328
2329         PR middle-end/42617
2330         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2331         discard plain indirect references.
2332         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2333         * tree.c (tree_nop_conversion): Likewise.
2334
2335 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2336
2337         PR debug/43628
2338         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2339
2340 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2341
2342         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2343         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2344
2345 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2346
2347         * tree-if-conv.c: Fix indentation and comments.
2348
2349 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2350
2351         * tree-if-conv.c: Sort static functions in topological order.
2352
2353 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2354
2355         * tree-if-conv.c: Fix indentation and comments.
2356
2357 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2358
2359         PR middle-end/43519
2360         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2361         lang_hooks.types.type_for_size instead of
2362         build_nonstandard_integer_type.
2363         When converting an unsigned type to signed, double its precision.
2364         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2365         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2366         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2367         use lb <= ub.
2368
2369 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         PR middle-end/43519
2372         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2373         POINTER_PLUS_EXPR for pointer types.
2374
2375 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2376
2377         PR middle-end/43519
2378         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2379         * graphite-clast-to-gimple.c: Include langhooks.h.
2380         (max_signed_precision_type): New.
2381         (max_precision_type): Takes two types as arguments.
2382         (precision_for_value): New.
2383         (precision_for_interval): New.
2384         (gcc_type_for_interval): New.
2385         (gcc_type_for_value): New.
2386         (gcc_type_for_clast_term): New.
2387         (gcc_type_for_clast_red): New.
2388         (gcc_type_for_clast_bin): New.
2389         (gcc_type_for_clast_expr): Split up into several functions.
2390         (gcc_type_for_clast_eq): Rewritten.
2391         (compute_bounds_for_level): New.
2392         (compute_type_for_level_1): New.
2393         (compute_type_for_level): New.
2394         (gcc_type_for_cloog_iv): Removed.
2395         (gcc_type_for_iv_of_clast_loop): Rewritten.
2396         (graphite_create_new_loop): Compute the lower and upper bound types
2397         with gcc_type_for_clast_expr.
2398         (graphite_create_new_loop_guard): Same.
2399         (find_cloog_iv_in_expr): Removed.
2400         (compute_cloog_iv_types_1): Removed.
2401         (compute_cloog_iv_types): Removed.
2402         (gloog): Do not call compute_cloog_iv_types.
2403         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2404         GBB_CLOOG_IV_TYPES.
2405         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2406         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2407         (GBB_CLOOG_IV_TYPES): Removed.
2408
2409 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2410
2411         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2412         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2413         (detect_commutative_reduction): Same.
2414
2415 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2416
2417         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2418         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2419         argument.
2420         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2421         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2422         (rewrite_commutative_reductions_out_of_ssa): Same.
2423         * passes.c (execute_function_todo): Call verify_ssa for every pass
2424         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2425         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2426         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2427         with an extra argument.
2428         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2429         verify_ssa only when the extra argument is true.
2430         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2431         with an extra argument.
2432         (tree_transform_and_unroll_loop): Same.
2433
2434 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2435
2436         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2437         for all the passes of the LNO having LOOP_CLOSED_SSA.
2438         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2439         * tree-loop-distribution.c (pass_loop_distribution): Same.
2440         * tree-pass.h (TODO_verify_loops): Removed.
2441         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2442         (pass_lim): Same.
2443         (pass_tree_unswitch): Same.
2444         (pass_predcom): Same.
2445         (pass_vectorize): Same.
2446         (pass_linear_transform): Same.
2447         (pass_graphite_transforms): Same.
2448         (pass_iv_canon): Same.
2449         (pass_complete_unroll): Same.
2450         (pass_complete_unrolli): Same.
2451         (pass_parallelize_loops): Same.
2452         (pass_loop_prefetch): Same.
2453         (pass_iv_optimize): Same.
2454
2455 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2456
2457         PR middle-end/32824
2458         * passes.c (init_optimization_passes): Move pass_lim before
2459         pass_copy_prop and pass_dce_loop.
2460
2461 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR target/43667
2464         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2465         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2466         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2467         MULTI_* defines for 4 argument vpermil2p* builtins.
2468
2469 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2470
2471         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2472         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2473         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2474         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2475         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2476         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2477         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2478         Use x86_maybe_negate_const_int to output insn mnemonic.
2479         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2480         check from instruction predicate.  Update comments.
2481         * config/i386/sync.md (sync_add<mode>): Use
2482         x86_maybe_negate_const_int to output insn mnemonic.
2483
2484 2010-04-06  Jan Hubicka  <jh@suse.cz>
2485
2486         PR tree-optimization/42906
2487         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2488         IGNORE_SELF argument.  Set visited_control_parents for fully
2489         processed BBs.
2490         (find_obviously_necessary_stmts): Update call of
2491         mark_control_dependent_edges_necessary.
2492         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2493
2494 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2495
2496         * config/i386/i386.md: Remove comment about 'e' and 'E'
2497         operand modifier.
2498
2499 2010-04-06  Richard Guenther  <rguenther@suse.de>
2500
2501         PR tree-optimization/43627
2502         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2503         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2504         not varying.
2505
2506 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2507
2508         * BASE-VER: Change to 4.6.0.
2509
2510         PR target/43638
2511         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2512         handling.
2513
2514 2010-04-06  Richard Guenther  <rguenther@suse.de>
2515
2516         PR middle-end/43661
2517         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2518
2519 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2520
2521         * doc/invoke.texi (Optimize Options): Document that LTO
2522         won't remove object access purely due to incompatible
2523         declarations.
2524
2525 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2526
2527         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2528         Initialize variable.
2529
2530 2010-04-03  Richard Guenther  <rguenther@suse.de>
2531
2532         PR middle-end/42509
2533         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2534         require a non-NULL MEM_OFFSET.
2535
2536 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2537
2538         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2539         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2540         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2541         config/alpha/predicates.md, config/arm/arm.md,
2542         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2543         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2544         config/darwin9.h, config/darwin.c, config/darwin.h,
2545         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2546         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2547         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2548         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2549         config/mips/mips.md, config/mn10300/mn10300.c,
2550         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2551         config/rs6000/aix.h, config/rs6000/dfp.md,
2552         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2553         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2554         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2555         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2556         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2557         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2558         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2559         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2560         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2561         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2562         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2563         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2564         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2565         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2566         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2567         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2568         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2569         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2570         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2571         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2572         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2573         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2574         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2575         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2576         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2577         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2578         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2579         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2580         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2581         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2582         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2583         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2584         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2585         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2586         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2587         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2588
2589 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2590
2591         PR other/43620
2592         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2593         * aclocal.m4: Regenerate.
2594
2595 2010-04-02  Richard Guenther  <rguenther@suse.de>
2596
2597         PR tree-optimization/43629
2598         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2599         if we have seen a constant value.
2600
2601 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2602
2603         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2604
2605 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2606
2607         PR target/43469
2608         * arm.c (legitimize_tls_address): Adjust call to
2609         gen_tls_load_dot_plus_four.
2610         (arm_note_pic_base): New function.
2611         (arm_cannot_copy_insn_p): Use it.
2612         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2613         constraint.
2614
2615 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2616
2617         PR bootstrap/43531
2618
2619         Revert:
2620         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2621
2622         * Makefile.in ($(out_object_file)): Depend on
2623         gt-$(basename $(notdir $(out_file))).h.
2624
2625 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2626
2627         * config.gcc (lm32-*-rtems*): Add t-lm32.
2628
2629 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2630
2631         * config.gcc: Add lm32-*-rtems*.
2632         * config/lm32/rtems.h: New file.
2633
2634 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2635
2636         PR target/42609
2637         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2638
2639 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2640
2641         * dwarf2out.c (output_compilation_unit_header): For
2642         -gdwarf-4 use version 4 instead of version 3.
2643         (output_line_info): For version 4 and above emit additional
2644         maximum ops per insn header field.
2645         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2646
2647         * dwarf2out.c (is_c_family, is_java): Remove.
2648         (lower_bound_default): New function.
2649         (add_bound_info, gen_descr_array_type_die): Use it.
2650
2651 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2652
2653         PR debug/43325
2654         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2655         re-declaration when it happens in a function.
2656
2657 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2658
2659         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2660         (cgraph_remove_function_insertion_hook): Same.
2661         (cgraph_call_function_insertion_hooks): Same.
2662
2663 2010-04-01  Richard Guenther  <rguenther@suse.de>
2664
2665         PR middle-end/43614
2666         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2667         and TREE_THIS_VOLATILE.
2668         (copy_ref_info): Likewise.
2669         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2670         * tree.c (build6_stat): Ignore side-effects of all but arg5
2671         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2672         TARGET_MEM_REF.
2673
2674 2010-04-01  Richard Guenther  <rguenther@suse.de>
2675
2676         PR tree-optimization/43607
2677         * ipa-type-escape.c (check_call): Do not access non-existing
2678         arguments.
2679
2680 2010-04-01  Richard Guenther  <rguenther@suse.de>
2681
2682         PR middle-end/43602
2683         Revert
2684         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2685                     Jack Howarth <howarth@bromo.med.uc.edu>
2686
2687         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2688         variables TLS.
2689
2690 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2691
2692         * doc/install.texi (Prerequisites): Document libelf usability on
2693         IRIX 5/6 and Solaris 2.
2694         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2695         Update GNU as, GNU ld requirements.
2696         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2697         Document Sun Studio compiler download.
2698         Update and simplify as, ld recommendations.
2699         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2700
2701 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2702
2703         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2704         with_tune_32 to pentium4.
2705
2706 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2707
2708         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2709
2710 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2711
2712         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2713         obsoletion, removal.
2714         Update IDO URL.
2715         Document GNU as requirement.
2716         Update configure requirements.
2717         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2718         Recomment IRIX 6.5.18+.
2719         Document IDF/IDL requirement.
2720         Document GNU as requirement.
2721         Document GNU ld bootstrap failure.
2722         Remove freeware.sgi.com reference.
2723
2724 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2725
2726         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2727         UNIX V4.0, V5.0 obsoletion, removal.
2728         Remove --with-gc=simple reference.
2729         Update VM requirements during bootstrap.
2730         Remove -oldas bootstrap description.
2731         Update binutils reference.
2732         Remove comparison failure note.
2733
2734 2010-03-31  Richard Guenther  <rguenther@suse.de>
2735             Zdenek Dvorak  <ook@ucw.cz>
2736             Sebastian Pop  <sebastian.pop@amd.com>
2737
2738         PR middle-end/43464
2739         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2740         with multiple arguments.
2741         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2742
2743 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2744
2745         * graphite-dependences.c (print_pddr): Call print_pdr with an
2746         extra argument.
2747         * graphite-poly.c (debug_pdr): Add an extra argument for the
2748         verbosity level.
2749         (print_pdr): Same.
2750         (print_pbb_domain): Same.
2751         (print_pbb): Same.
2752         (print_scop_context): Same.
2753         (print_scop): Same.
2754         (print_cloog): Same.
2755         (debug_pbb_domain): Same.
2756         (debug_pbb): Same.
2757         (print_pdrs): Same.
2758         (debug_pdrs): Same.
2759         (debug_scop_context): Same.
2760         (debug_scop): Same.
2761         (debug_cloog): Same.
2762         (print_scop_params): Same.
2763         (debug_scop_params): Same.
2764         (print_iteration_domain): Same.
2765         (print_iteration_domains): Same.
2766         (debug_iteration_domain): Same.
2767         (debug_iteration_domains): Same.
2768         (print_scattering_function): Same.
2769         (print_scattering_functions): Same.
2770         (debug_scattering_function): Same.
2771         (debug_scattering_functions): Same.
2772         * graphite-poly.h (debug_pdr): Update declaration.
2773         (print_pdr): Same.
2774         (print_pbb_domain): Same.
2775         (print_pbb): Same.
2776         (print_scop_context): Same.
2777         (print_scop): Same.
2778         (print_cloog): Same.
2779         (debug_pbb_domain): Same.
2780         (debug_pbb): Same.
2781         (print_pdrs): Same.
2782         (debug_pdrs): Same.
2783         (debug_scop_context): Same.
2784         (debug_scop): Same.
2785         (debug_cloog): Same.
2786         (print_scop_params): Same.
2787         (debug_scop_params): Same.
2788         (print_iteration_domain): Same.
2789         (print_iteration_domains): Same.
2790         (debug_iteration_domain): Same.
2791         (debug_iteration_domains): Same.
2792         (print_scattering_function): Same.
2793         (print_scattering_functions): Same.
2794         (debug_scattering_function): Same.
2795         (debug_scattering_functions): Same.
2796
2797 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2798
2799         * graphite-poly.c (print_scattering_function_1): New.
2800         (print_scattering_function): Call it.
2801         (print_scop_params): Remove spaces at the end of lines.
2802         (print_cloog): New.
2803         (debug_cloog): New.
2804         * graphite-poly.h (print_cloog): Declared.
2805         (debug_cloog): Declared.
2806
2807 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2808
2809         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2810         in loop->header.
2811         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2812         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2813         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2814         to switch between adding the IV bump in loop->latch or in loop->header.
2815
2816 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2817
2818         * graphite-poly.c (print_scattering_function): Pretty print following
2819         the scoplib format.
2820         (print_pdr): Same.
2821         (print_pbb_domain): Same.
2822         (dump_gbb_cases): Same.
2823         (dump_gbb_conditions): Same.
2824         (print_pdrs): Same.
2825         (print_pbb): Same.
2826         (print_scop_params): Same.
2827         (print_scop_context): Same.
2828         (print_scop): Same.
2829         (print_pbb_body): New.
2830         (lst_indent_to): New.
2831         (print_lst): Start new lines with a #.
2832         * graphite-poly.h (pbb_bb): New.
2833         (pbb_index): Use pbb_bb.
2834         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2835         disjuncts.
2836         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2837
2838 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2839
2840         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2841         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2842         and 0 instead of 1 for dw_val_class_flag.
2843         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2844         dw_val_class_range_list, dw_val_class_loc_list,
2845         dw_val_class_lineptr and dw_val_class_macptr, use
2846         DW_FORM_flag_present for dw_val_class_flag and
2847         DW_FORM_exprloc for dw_val_class_loc.
2848         (output_die): For -gdwarf-4 print dw_val_class_loc
2849         size as uleb128 instead of 1 or 2 bytes and don't print
2850         anything for dw_val_class_flag.
2851
2852         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2853         instead of cselib_lookup following by tweaking locs->setting_insn.
2854
2855         PR bootstrap/43596
2856         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2857         even before returning from label, setjmp call or volatile asm
2858         handling.
2859
2860 2010-03-31  Richard Guenther  <rguenther@suse.de>
2861
2862         PR middle-end/43600
2863         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2864         temporary data on stack.
2865
2866 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2867
2868         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2869         (PUSHSECTION_ASM_OP): Remove.
2870         (POPSECTION_ASM_OP): Remove.
2871         (PUSHSECTION_FORMAT): Remove.
2872         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2873         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2874         * config/sol2.c (solaris_output_init_fini): Use it.
2875
2876 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2877
2878         PR 43574
2879         * opt-functions.awk (var_type_struct): Use signed char type
2880         for simple variables.
2881
2882 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2883
2884         * config/sol2.c: Include output.h.
2885         (solaris_assemble_visibility): New function.
2886         * config/t-sol2 (sol2.o): Add output.h dependency.
2887         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2888         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2889         Redefine.
2890
2891 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2892
2893         PR target/43580
2894         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2895         V2SImode or XFmode on PRE_DEC.
2896
2897         PR debug/43557
2898         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2899         BLKmode.
2900
2901 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2902
2903         PR 43562
2904         * reload.h (caller_save_initialized_p): Declare.
2905         * toplev.c (backend_init_target): Don't call
2906         init_caller_save but set caller_save_initialized_p to false.
2907         * caller-save.c (caller_save_initialized_p): Define.
2908         (init_caller_save): Check caller_save_initialized_p.
2909         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2910
2911 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2912
2913         PR target/39048
2914         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2915         and soft-fp/t-softfp to tmake_file.
2916         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2917         (LIBGCC2_TF_CEXT): Define.
2918         (TF_SIZE): Define.
2919
2920 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2921
2922         PR debug/42977
2923         * cselib.c (n_useless_values): Document handling of debug locs.
2924         (n_useless_debug_values, n_debug_values): New variables.
2925         (new_elt_loc_list): Don't add to debug values, keep count.
2926         (promote_debug_loc): New.
2927         (cselib_reset_table): Zero new variables.
2928         (entry_and_rtx_equal_p): Promote debug locs.
2929         (discard_useless_locs): Increment n_useless_debug_values for
2930         debug values.
2931         (remove_useless_values): Adjust n_useless_values and n_debug_values
2932         with n_useless_debug_values.
2933         (add_mem_for_addr): Promote debug locs.
2934         (cselib_lookup_mem): Likewise.
2935         (cselib_lookup_addr): Renamed to...
2936         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2937         (cselib_log_lookup): ... this.  Turn into...
2938         (cselib_lookup_addr): ... new wrapper.
2939         (cselib_lookup_from_insn): New.
2940         (cselib_invalidate_regno): Increment n_useless_debug_values for
2941         debug values.
2942         (cselib_invalidate_mem): Likewise.
2943         (cselib_process_insn): Take n_deleted and n_debug_values into
2944         account to guard remove_useless_value call.
2945         (cselib_finish): Zero n_useless_debug_values.
2946         * cselib.h (cselib_lookup_from_insn): Declare.
2947         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2948         (sched_analyze_2): Likewise.
2949
2950 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2951
2952         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2953         functions.
2954         (adjust_mems): Replace narrowing SUBREG of expression containing
2955         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2956         with operations in the narrower mode.
2957
2958         PR debug/43593
2959         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2960         regs_invalidated_by_call instead all call_used_reg_set registers.
2961
2962 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2963
2964         PR middle-end/43430
2965         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2966         pointer comparisons with types_compatible_p.
2967         * tree-vect-stmts.c (vectorizable_call): Same.
2968         (vectorizable_condition): Same.
2969
2970 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2971
2972         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2973         stack check if the mask would be zero.
2974
2975 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2976             Jack Howarth <howarth@bromo.med.uc.edu>
2977
2978         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2979         variables TLS.
2980
2981 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2982
2983         PR other/25232
2984         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2985         and __unordtf2.
2986         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2987         Include ___unordxf2 and ___unordtf2.
2988         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2989         GCC_4.4.0 here.
2990
2991 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2992
2993         * config/lm32/t-lm32: New file.
2994         * config.gcc: Use the above file when targetting lm32.
2995
2996 2010-03-28  Duncan Sands  <baldrick@free.fr>
2997
2998         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2999
3000 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3001
3002         PR middle-end/43431
3003         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3004         Improve vectorization cost model diagnostic.
3005
3006 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         PR middle-end/43436
3009         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3010         compute_data_dependences_for_loop returns false, early exit
3011         and output an extra diagnostic for the failed data reference
3012         analysis.
3013
3014 2010-03-29  Richard Guenther  <rguenther@suse.de>
3015
3016         PR tree-optimization/43560
3017         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3018         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3019
3020 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3021
3022         PR 43564
3023         * toplev.c (process_options): Set optimization_default_node
3024         and optimization_current_node.
3025         * opts.c (decode_options): Don't set optimization_default_node
3026         and optimization_current_node.
3027
3028 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3029
3030         * config/rtems.h: Abandon -qrtems_debug.
3031
3032 2010-03-28  Jan Hubicka  <jh@suse.cz>
3033
3034         PR tree-optimization/43505
3035         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3036         map should not be copied.
3037
3038 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3039
3040         PR middle-end/41674
3041         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3042         cdtors, set DECL_PRESERVE_P.
3043         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3044         should be preseved.
3045
3046 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3047
3048         PR tree-optimization/43528
3049         * stor-layout.c (place_field): Check that constant fits into
3050         unsigned HWI when skipping calculation of MS bitfield layout.
3051
3052 2010-03-27  Jan Hubicka  <jh@suse.cz>
3053
3054         PR middle-end/43391
3055         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3056         notice_global_symbol work.
3057
3058 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3059
3060         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3061         instead of dwarf2out_decl.
3062         (struct var_loc_node): Remove section_label field.
3063         (dwarf2out_function_decl): New function.
3064         (dwarf2out_var_location): Don't set section_label field.
3065         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3066
3067 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3068
3069         PR tree-optimization/43544
3070         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3071         First argument for builtin vectorized function hook is now a
3072         tree to be able to distinguish between machine specific and
3073         standard builtins.
3074         * targhooks.c (default_builtin_vectorized_function): Ditto.
3075         * targhooks.h (default_builtin_vectorized_function): Ditto.
3076         * target.h (struct gcc_target): Ditto.
3077         * tree-vect-stmts.c (vectorizable_function): Ditto.
3078         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3079         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3080         Ditto.
3081
3082 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3083
3084         PR c/43381
3085         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3086         nested binding iff it is a FUNCTION_DECL.
3087         (store_parm_decls_newstyle): Pass nested=true to bind for
3088         FUNCTION_DECLs amongst parameters.
3089
3090 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3091
3092         * var-tracking.c (vt_expand_loc_callback): Don't run
3093         cselib_expand_value_rtx_cb in dummy mode if
3094         cselib_dummy_expand_value_rtx_cb returned false.
3095
3096         * var-tracking.c (emit_note_insn_var_location): For one part
3097         notes with offset 0, don't add EXPR_LIST around the location.
3098         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3099         add_location_or_const_value_attribute): Adjust for that change.
3100
3101         PR debug/43540
3102         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3103         into first operand and location into second.
3104         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3105         dw_cfi_oprnd_loc for DW_CFA_expression.
3106         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3107         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3108         assume first argument is regnum and second argument is location.
3109
3110 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3111
3112         PR target/42113
3113         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3114         of scratch register to DImode.  Split to DImode comparison operator.
3115         Use SImode subreg of scratch register in the multiplication.
3116         (*cmp_sadd_sidi): Ditto.
3117         (*cmp_ssub_si): Ditto.
3118         (*cmp_ssub_sidi): Ditto.
3119
3120 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3121
3122         PR target/43524
3123         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3124         Remove invalid assert and wrong comment.
3125
3126 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3127
3128         PR debug/43516
3129         * flags.h (final_insns_dump_p): New extern.
3130         * final.c (final_insns_dump_p): New variable.
3131         (rest_of_clean_state): Set it before -fdump-final-insns=
3132         dumping, clear afterwards.
3133         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3134         MEM_ALIAS_SET on MEMs.
3135
3136 2010-03-26  David S. Miller  <davem@davemloft.net>
3137
3138         * configure.ac: Fix sparc GOTDATA_OP bug check.
3139         * configure: Rebuild.
3140
3141 2010-03-26  Alan Modra  <amodra@gmail.com>
3142
3143         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3144
3145 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3146
3147         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3148         TLS_SECTION_ASM_FLAG.
3149
3150 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3151
3152         PR bootstrap/43511
3153         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3154         Clear first_function_block_is_cold.
3155
3156         PR c/43385
3157         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3158         argument if the argument is truth_value_p.
3159
3160 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3161
3162         * config/rs6000/constraints.md: Update copyright year for my changes.
3163
3164         PR target/43484
3165         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3166         used in reg+reg addressing, swap registers.
3167
3168 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3169
3170         PR debug/43293
3171         * target.h (struct gcc_target): Add code_end hook.
3172         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3173         if not yet defined.
3174         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3175         * toplev.c (compile_file): Call targetm.asm_out.code_end
3176         hook before unwind info/debug info output.
3177         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3178         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3179         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3180         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3181         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3182         * config/i386/i386.c (ix86_file_end): Renamed to...
3183         (ix86_code_end): ... this.  Make static.  Don't call
3184         file_end_indicate_exec_stack.  Emit unwind info using
3185         final_start_function/final_end_function.
3186         (darwin_x86_file_end): Remove.
3187         (TARGET_ASM_CODE_END): Define.
3188         * config/i386/i386.h (TARGET_ASM_FILE_END,
3189         NEED_INDICATE_EXEC_STACK): Don't define.
3190         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3191         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3192         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3193         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3194
3195         PR target/43498
3196         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3197         at the beginning and final_end_function at the end.
3198         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3199
3200 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3201
3202         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3203         and Sun as TLS syntax.
3204         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3205         * configure: Regenerate.
3206         * config.in: Regenerate.
3207         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3208         (default_elf_asm_named_section): Use it.
3209         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3210         (i386_output_dwarf_dtprel): Likewise.
3211         (output_addr_const_extra): Likewise.
3212         (output_pic_addr_const): Lowercase @GOTTPOFF.
3213         (output_addr_const_extra): Likewise.
3214         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3215         (output_addr_const_extra): Likewise.
3216         (output_pic_addr_const): Lowercase @INDNTPOFF.
3217         (output_addr_const_extra): Likewise.
3218         (output_pic_addr_const): Lowercase @NTPOFF.
3219         (output_addr_const_extra): Likewise.
3220         (output_pic_addr_const): Lowercase @TPOFF.
3221         (output_addr_const_extra): Likewise.
3222         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3223         (*tls_global_dynamic_64): Likewise.
3224         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3225         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3226
3227         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3228         (ASM_OUTPUT_TLS_COMMON): Use it.
3229         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3230
3231         PR target/38118
3232         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3233         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3234         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3235         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3236         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3237         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3238
3239 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3240
3241         * config/i386/i386.c (override_options): Don't accept
3242         -mtls-dialect=sun any longer.
3243         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3244         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3245         (*tls_local_dynamic_base_32_sun): Likewise.
3246         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3247
3248 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3249
3250         PR debug/43508
3251         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3252         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3253
3254         PR debug/43479
3255         * ira.c (adjust_cleared_regs): New function.
3256         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3257
3258         PR debug/19192
3259         PR debug/43479
3260         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3261         from gimple_block.
3262         * expr.c (expand_expr_real): Restore previous
3263         curr_insn_source_location and curr_insn_block after
3264         expand_expr_real_1 call.
3265         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3266         instead of expand_expr_real_1.
3267
3268 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3269
3270         PR rtl-optimization/43413
3271         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3272         hard regs too.
3273
3274 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3275
3276         PR target/43348
3277         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3278         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3279
3280 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3281
3282         * config/i386/i386.c (ix86_target_string): Add -mfma.
3283         Fix a typo in comment.
3284
3285 2010-03-22  Mike Stump  <mikestump@comcast.net>
3286
3287         PR target/23071
3288         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3289         Don't overly align based upon packed packed fields.
3290
3291 2010-03-22  Jason Merrill  <jason@redhat.com>
3292
3293         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3294         Use () rather than [], and move before the element type.
3295
3296 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3297
3298         * doc/configfiles.texi (Configuration Files): Removed
3299         fixinc/Makefile*, intl/Makefile.*.
3300         * doc/makefile.texi: Fixed markup. Abstract from version
3301         control system used.
3302         (Makefile): Removed obsolete gcc/java/parse.y example.
3303         * doc/sourcebuild.texi: Likewise.
3304         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3305         libgomp, libssp.  Removed fastjar.
3306         (Miscellaneous Docs): Clarify location.
3307         Added COPYING3, COPYING3.LIB.
3308         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3309
3310 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3311
3312         PR target/38085
3313         * config/i386/i386.c (x86_function_profiler)
3314         [!NO_PROFILE_COUNTERS]: Fix typo.
3315         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3316         instead of callq.
3317
3318 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3319             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3320
3321         * doc/sourcebuild.texi (Test Directives): Split into six
3322         subsections, with most of the current text in new subsections
3323         Directives, Selectors, and Final Actions.
3324         (Directives): Split list of test directives into multiple
3325         subsubsections.
3326         (Selectors): Describe use and syntax of selectors.
3327         (Effective-Target Keywords): Describe all existing keywords.
3328         (Add Options): Describe features for dg-add-options.
3329         (Require Support): Describe variants of dg-require-support.
3330         (Final Actions): Describe commands to use in dg-final.
3331
3332 2010-03-22  Michael Matz  <matz@suse.de>
3333
3334         PR middle-end/43475
3335         * recog.c (validate_replace_rtx_group): Replace also in
3336         REG_EQUAL and REG_EQUIV notes.
3337
3338 2010-03-22  Richard Guenther  <rguenther@suse.de>
3339
3340         PR tree-optimization/43390
3341         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3342         sure vector extracts are type correct.
3343
3344 2010-03-22  Richard Guenther  <rguenther@suse.de>
3345
3346         PR middle-end/40106
3347         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3348         x * sqrt (x) even when optimizing for size if the target
3349         has native support for sqrt.
3350
3351 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3352
3353         * varasm.c (make_decl_rtl_for_debug): Also clear
3354         flag_mudflap for the duration of make_decl_rtl call.
3355
3356         PR debug/43443
3357         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3358         locs from preserved VALUEs.
3359
3360 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3361
3362         PR middle-end/42718
3363         * pa.md (movmemsi): Set align to one if zero.
3364         (movmemdi): Likewise.
3365
3366 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3367
3368         PR target/42321
3369         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3370         with their corresponding prologue pushes.
3371
3372 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3373
3374         PR target/43156
3375         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3376         at the begining or end.
3377         (spu_expand_epilogue): Likewise.
3378
3379 2010-03-20  Richard Guenther  <rguenther@suse.de>
3380
3381         PR rtl-optimization/43438
3382         * combine.c (make_extraction): Properly zero-/sign-extend an
3383         extraction of the low part of a CONST_INT.  Also handle
3384         CONST_DOUBLE.
3385
3386 2010-03-19  Mike Stump  <mikestump@comcast.net>
3387
3388         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3389         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3390         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3391
3392 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3393
3394         PR c/43211
3395         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3396         an error.
3397
3398 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3399
3400         PR rtl-optimization/42258
3401         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3402         use that may match DEF.
3403
3404         PR target/40697
3405         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3406         the cost of loading the constant rather than assuming
3407         COSTS_N_INSNS (1).
3408         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3409         outer code is AND, do the same tests as the andsi3 expander and
3410         return COSTS_N_INSNS (1) if and is cheap.
3411
3412         * optabs.c (avoid_expensive_constant): Fix formatting.
3413
3414 2010-03-19  Michael Matz  <matz@suse.de>
3415
3416         PR c++/43116
3417         * attribs.c (decl_attributes): When rebuilding a function pointer
3418         type use the same qualifiers as the original pointer type.
3419
3420 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3421
3422         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3423         and is_gimple_ip_invariant_address.
3424
3425 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3426
3427         Revert
3428         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3429
3430         * config/arm/arm.c (arm_override_options): Turn off
3431         flag_dwarf2_cfi_asm for AAPCS variants.
3432
3433 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3434
3435         PR target/43399
3436         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3437         Use PRE_MODIFY instead of PRE_DEC.
3438         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3439         (vfp_emit_fstmd): Likewise.
3440
3441 2010-03-19  Michael Matz  <matz@suse.de>
3442
3443         PR target/43305
3444         * builtins.c (expand_builtin_interclass_mathfn,
3445         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3446         if that fails.
3447
3448 2010-03-19  Richard Guenther  <rguenther@suse.de>
3449
3450         PR tree-optimization/43415