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