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1 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
2         
3         PR c/32207
4         * c-typeck.c (build_binary_op): Move forward check for comparison
5         pointer with null pointer constant and adjust the diagnostic message.
6
7 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
8
9         PR lto/42776
10         * configure.ac (gcc_cv_as_section_has_align): Set if installed
11         binutils supports extended .section directive needed by LTO, or
12         warn if older binutils found.
13         (LTO_BINARY_READER): New AC_SUBST'd variable.
14         (LTO_USE_LIBELF): Likewise.
15         * gcc/config.gcc (lto_binary_reader): New target-specific configure
16         variable.
17         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
18         (LTO_USE_LIBELF): Likewise.
19         * configure: Regenerate.
20
21         * collect2.c (is_elf): Rename from this ...
22         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
23          object files in addition to ELF-formatted ones.
24         (scan_prog_file): Caller updated.  Also allow for LTO info marker
25         symbol to be prefixed or not by an extra underscore.
26
27         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
28         * config/i386/winnt.c: Also #include lto-streamer.h
29         (i386_pe_asm_named_section): Specify 1-byte section alignment for
30         LTO named sections.
31         (i386_pe_asm_output_aligned_decl_common): Add comment.
32         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
33
34 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
35
36         PR target/43889
37         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
38         Add missing earlyclobber for second alternative.
39
40 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
41
42         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
43         bits for artificial defs at the top of the block.
44         * fwprop.c (single_def_use_enter_block): Don't call it.
45
46 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
47
48         PR 43715
49         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
50         instead of "$gcc_cv_objdump -T".
51         Use "-undefined dynamic_lookup" on darwin.
52         * gcc/configure: Regenerate.
53
54 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
55
56         PR c/43893
57         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
58
59 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
60
61         * c-parser.c (struct c_token): Move location field up.
62         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
63         (struct c_declspecs): Convert typespec_word, storage_class, and
64         default_int_p into bitfields.
65         (struct c_declarator): Move loc field up.
66
67 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
68
69         * cfgloop.h (struct loop): Move can_be_parallel field up.
70         * ipa-prop.h (struct ip_node_params): Move bitfields up.
71         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
72         down.
73         (struct iv_cand): Convert pos field into a bitfield.
74         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
75         field up.
76         (struct _stmt_vec_info): Shuffle fields for better packing.
77
78 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
79
80         * varasm.c (IN_NAMED_SECTION): Remove guard.
81         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
82         (IN_NAMED_SECTION_P): ...this.
83         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
84         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
85
86 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
87
88         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
89         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
90         of shadowing it.  Fix comments.
91
92 2010-04-26  Jan Hubicka  <jh@suse.cz>
93
94         * cgraph.c (cgraph_create_node): Set node frequency to normal.
95         (cgraph_clone_node): Copy function frequency.
96         * cgraph.h (node_frequency): New enum
97         (struct cgraph_node): Add.
98         * final.c (rest_of_clean_state): Update.
99         * lto-cgraph.c (lto_output_node): Output node frequency.
100         (input_overwrite_node): Input node frequency.
101         * tre-ssa-loop-ivopts (computation_cost): Update.
102         * lto-streamer-out.c (output_function): Do not output function
103         frequency.
104         * predict.c (maybe_hot_frequency_p): Update and handle functions
105         executed once.
106         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
107         attribute lookup.
108         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
109         (compute_function_frequency): Set noreturn functions to be executed
110         once.
111         (choose_function_section): Update.
112         * lto-streamer-in.c (input_function): Do not input function frequency.
113         * function.c (allocate_struct_function): Do not initialize function
114         frequency.
115         * function.h (function_frequency): Remove.
116         (struct function): Remove function frequency.
117         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
118         (try_update): Update.
119         * tree-inline.c (initialize_cfun): Do not update function frequency.
120         * passes.c (pass_init_dump_file): Update.
121         * i386.c (ix86_compute_frame_layout): Update.
122         (ix86_pad_returns): Update.
123
124 2010-04-26  Jie Zhang  <jie@codesourcery.com>
125
126         PR tree-optimization/43833
127         * tree-vrp.c (range_int_cst_p): New.
128         (range_int_cst_singleton_p): New.
129         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
130         when both operands are constants.  Use range_int_cst_p in
131         BIT_IOR_EXPR case.
132
133 2010-04-26  Jan Hubicka  <jh@suse.cz>
134
135         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
136
137 2010-04-26  Richard Guenther  <rguenther@suse.de>
138
139         PR lto/43080
140         * gimple.c (gimple_decl_printable_name): Deal gracefully
141         with a NULL DECL_NAME.
142
143 2010-04-26  Richard Guenther  <rguenther@suse.de>
144
145         PR lto/42425
146         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
147         if emitting debug information and it is either a function
148         or a namespace decl.
149
150 2010-04-26  Ira Rosen  <irar@il.ibm.com>
151
152         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
153         determine if the statement is vectorizable, and a macro to 
154         access it.
155         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
156         Skip statements that can't be vectorized. If the analysis 
157         fails, mark the statement as unvectorizable if vectorizing 
158         basic block.
159         (vect_compute_data_refs_alignment): Likewise.
160         (vect_verify_datarefs_alignment): Skip statements marked as 
161         unvectorizable. Add print.
162         (vect_analyze_group_access): Skip statements that can't be 
163         vectorized. If the analysis fails, mark the statement as 
164         unvectorizable if vectorizing basic block.
165         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
166         Likewise.
167         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
168         generated stmts for SLP.
169         (new_stmt_vec_info): Initialize the new field.
170         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
171         statements marked as unvectorizable.
172
173 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
174
175         * c-common.c (flag_isoc1x): New.
176         (flag_isoc99): Update comment.
177         * c-common.h (flag_isoc1x): New.
178         (flag_isoc99): Update comment.
179         * c-cppbuiltin.c (builtin_define_float_constants): Also define
180         __<type>_DECIMAL_DIG__.
181         * c-opts.c (set_std_c1x): New.
182         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
183         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
184         * c.opt (-std=c1x, -std=gnu1x): New options.
185         * doc/cpp.texi: Mention -std=c1x.
186         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
187         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
188         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
189         * doc/standards.texi: Mention C1X.
190         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
191         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
192         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
193         Define for C1X.
194
195 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
196
197         * config/i386/gmon-sol2.c (_mcleanup): Change format string
198         placeholder from 0x%x to %#x.
199         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
200         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
201         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
202         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
203         * config/i386/i386.c (ix86_target_string): Ditto.
204         (output_pic_addr_const): Ditto.
205         (print_operand): Ditto.
206
207 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
208
209         * combine.c (find_split_point): Add third argument.  Use it
210         to find nested multiply-accumulate instructions.  Adjust calls.
211         (try_combine): Adjust call to find_split_point.
212
213 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
214
215         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
216
217 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
218
219         PR tree-optimization/41442
220         * fold-const.c (merge_truthop_with_opposite_arm): New function.
221         (fold_binary_loc): Call it.
222
223 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
224
225         * toplev.c (general_init): Set default for fdiagnostics-show-option.
226         * opts.c (common_handle_option): Allow disabling it.
227         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
228
229 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
230
231         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
232         between modes if both types are integral.
233
234 2010-04-23  Richard Guenther  <rguenther@suse.de>
235
236         PR tree-optimization/43572
237         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
238
239 2010-04-23  Richard Guenther  <rguenther@suse.de>
240
241         PR lto/43455
242         * tree-inline.c (tree_can_inline_p): Also check compatibility
243         of return types.
244
245 2010-04-23  Martin Jambor  <mjambor@suse.cz>
246
247         PR tree-optimization/43846
248         * tree-sra.c (struct access): New flag grp_assignment_read.
249         (build_accesses_from_assign): Set grp_assignment_read.
250         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
251         (enum mark_read_status): New type.
252         (analyze_access_subtree): Propagate grp_assignment_read, create
253         accesses also if both direct_read and root->grp_assignment_read.
254
255 2010-04-23  Martin Jambor  <mjambor@suse.cz>
256
257         PR middle-end/43835
258         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
259         function does not have type attributes.
260
261 2010-04-23  Richard Guenther  <rguenther@suse.de>
262
263         PR lto/42653
264         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
265         of FUNCTION_DECLs.
266
267 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
268
269         * sese.h (create_if_region_on_edge): Remove.
270
271         * sese.c (create_if_region_on_edge): Make static.
272
273         * tree-inline.c: Do not include ggc.h.
274
275         * expr.c: Do not include ggc.h.
276
277         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
278         dependencies.
279
280 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
281
282         PR target/43744
283         * config/sh/sh.c (find_barrier): Don't emit a constant pool
284         in the middle of insns for casesi_worker_2.
285
286 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
287
288         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
289
290 2010-04-22  Ira Rosen  <irar@il.ibm.com>
291
292         PR tree-optimization/43842
293         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
294         loop unrolling in update of exit phis. Fix comment.
295         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
296         least two reduction statements in the loop before starting SLP
297         analysis.
298
299 2010-04-22  Nick Clifton  <nickc@redhat.com>
300
301         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
302
303 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
304
305         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
306         to simplify a + ~a.
307
308 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
309
310         * tree-parloops.c (loop_parallel_p): New argument
311         parloop_obstack.  Pass it down.
312         (parallelize_loops): New variable parloop_obstack.  Initialize it,
313         pass it down, free it.
314
315         * tree-loop-linear.c (linear_transform_loops): Pass down
316         lambda_obstack.
317
318         * tree-data-ref.h (lambda_compute_access_matrices): New argument
319         of type struct obstack *.
320
321         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
322         scratch_obstack.  Initialize it, pass down, free it.
323
324         * lambda.h (lambda_loop_new): Remove.
325         (lambda_matrix_new, lambda_matrix_inverse)
326         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
327         argument of type struct obstack *.
328
329         * lambda-trans.c (lambda_trans_matrix_new): New argument
330         lambda_obstack.  Pass it down, use obstack allocation for ret.
331         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
332         it down.
333
334         * lambda-mat.c (lambda_matrix_get_column)
335         (lambda_matrix_project_to_null): Remove.
336         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
337         allocation for mat.
338         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
339         lambda_obstack.
340
341         * lambda-code.c (lambda_loop_new): New function.
342         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
343         (lambda_compute_auxillary_space, lambda_compute_target_space)
344         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
345         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
346         (build_access_matrix): New argument lambda_obstack.  Use obstack
347         allocation for am.
348         (lambda_compute_step_signs, lambda_compute_access_matrices): New
349         argument lambda_obstack.  Pass it down.
350
351 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
352
353         * optabs.h (expand_widening_mult): Declare.
354
355 2010-04-22  Richard Guenther  <rguenther@suse.de>
356
357         PR tree-optimization/43845
358         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
359         lookup the CALL_EXPR function and arguments.
360
361 2010-04-22  Nick Clifton  <nickc@redhat.com>
362
363         * config/stormy16/stormy16.c
364         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
365         * config/stormy16/stormy16.h: Tidy up formatting.
366         (DONT_USE_BUILTIN_SETJMP): Remove definition.
367         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
368         (ineqbranchsi): Delete pattern.
369         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
370         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
371         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
372         stormy16-lib2-ucmpsi2.c.
373
374 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
375
376         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
377         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
378         extra set merge_set_noclobber, and use it to relax the final test
379         slightly.
380         * df.h (df_simulate_find_noclobber_defs): Declare.
381         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
382         conditional defs.
383         (df_simulate_find_noclobber_defs): New function.
384
385 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
386
387         * config/i386/i386.md: Use {} around multi-line preparation statements.
388
389 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
390
391         * c-tree.h (push_init_level, pop_init_level, set_init_index)
392         (process_init_element): New argument of type struct obstack *.
393
394         * c-typeck.c (push_init_level, pop_init_level, set_designator)
395         (set_init_index, set_init_label, set_nonincremental_init)
396         (set_nonincremental_init_from_string, find_init_member)
397         (output_init_element, output_pending_init_elements)
398         (process_init_element): New argument braced_init_obstack.  Pass it
399         down.
400         (push_range_stack, add_pending_init): New argument
401         braced_init_obstack.  Use obstack allocation.
402
403         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
404         braced_init_obstack.  Pass it down.
405         (c_parser_braced_init): New variables ret, braced_init_obstack.
406         Initialize obstack, pass it down and finally free it.
407
408 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
409
410         PR middle-end/29274
411         * tree-pass.h (pass_optimize_widening_mul): Declare.
412         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
413         gate_optimize_widening_mul): New static functions.
414         (pass_optimize_widening_mul): New.
415         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
416         <case MULT_EXPR>: Remove support for widening multiplies.
417         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
418         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
419         simplify_gen_unary rather than directly building extensions.
420         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
421         WIDEN_MULT_EXPR.
422         * expmed.c (expand_widening_mult): New function.
423         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
424
425 2010-04-21  Jan Hubicka  <jh@suse.cz>
426
427         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
428         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
429         * lto-wpa-fixup.c: Remove.
430         * Makefile.in (lto-wpa-fixup.o): Remove.
431         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
432         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
433         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
434
435 2010-04-21  Jan Hubicka  <jh@suse.cz>
436
437         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
438         add write_optimization_summary, read_optimization_summary.
439         (ipa_write_summaries_of_cgraph_node_set): Remove.
440         (ipa_write_optimization_summaries): Declare.
441         (ipa_read_optimization_summaries): Declare.
442         * ipa-cp.c (pass_ipa_cp): Update.
443         * ipa-reference.c (pass_ipa_reference): Update.
444         * ipa-pure-const.c (pass_ipa_pure_const): Update.
445         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
446         Update.
447         * ipa-inline.c (pass_ipa_inline): Update.
448         * ipa.c (pass_ipa_whole_program): Update.
449         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
450         * passes.c (ipa_write_summaries_1): Do not test wpa.
451         (ipa_write_optimization_summaries_1): New.
452         (ipa_write_optimization_summaries): New.
453         (ipa_read_summaries): Do not test ltrans.
454         (ipa_read_optimization_summaries_1): New.
455         (ipa_read_optimization_summaries): New.
456
457 2010-04-21  Jan Hubicka  <jh@suse.cz>
458
459         * lto-cgraph.c (lto_output_node): Do not output comdat groups
460         for boundary nodes.
461         (output_cgraph): Do not arrange comdat groups for boundary nodes.
462
463 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
464
465         PR debug/40040
466         * dwarf2out.c (add_name_and_src_coords_attributes): Add
467         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
468
469 2010-04-21  Jan Hubicka  <jh@suse.cz>
470
471         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
472
473 2010-04-21  Jan Hubicka  <jh@suse.cz>
474
475         * varpool.c (decide_is_variable_needed): Variable is always needed
476         during ltrans.
477
478 2010-04-21  Jan Hubicka  <jh@suse.cz>
479
480         * opts.c (decode_options): Enable pure-const pass for whopr.
481
482 2010-04-21  Jan Hubicka  <jh@suse.cz>
483
484         * cgraph.c (dump_cgraph_node): Dump also assembler name.
485         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
486         at WPA dumping.
487         (cgraph_decide_inlining): Do not expect callee to be removed in all
488         cases.
489
490 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
491
492         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
493
494 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
495
496         * config/i386/i386.md (x86_shrd): Add athlon_decode and
497         amdfam10_decode attributes.
498
499 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
500
501         PR middle-end/43570
502         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
503         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
504         (lower_copyprivate_clauses): Use private var in outer
505         context instead of original var.  Make sure the types
506         are correct for VLAs.
507
508 2010-04-21  Richard Guenther  <rguenther@suse.de>
509
510         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
511         to non-pointer objects.
512
513 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
514
515         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
516         last chain entry if it starts with the still current label.
517         (add_location_or_const_value_attribute): Check that
518         loc_list->first->next is NULL instead of comparing ->first with ->last.
519         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
520         to add_var_loc_to_decl.
521
522         * dwarf2out.c (output_call_frame_info): For dw_cie_version
523         >= 4 add also address size and segment size fields into CIE header.
524
525         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
526         long as address size is the same as sizeof (void *) and
527         segment size is 0.
528         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
529         address size or segment size is unexpected, return DW_EH_PE_omit.
530         (classify_object_over_fdes): If get_cie_encoding returned
531         DW_EH_PE_omit, return -1.
532         (init_object): If classify_object_over_fdes returned -1,
533         pretend there were no FDEs at all.
534
535 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
536
537         * config/i386/i386.md (bswap<mode>2): Macroize expander from
538         bswap{si,di}2 using SWI48 mode iterator.
539         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
540         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
541         set modrm attribute of bswap insn to 0 and remove length attribute.
542         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
543         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
544         set mode attribute to <MODE> and remove length attribute.
545
546 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
547
548         PR rtl-optimization/43520
549         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
550         zero available registers.
551
552 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
553
554         * builtins.c (fold_builtin_cproj): Fold more cases.
555
556 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
557
558         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
559         (fold_builtin_1): Fold builtin cproj.
560         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
561         Use ATTR_CONST_NOTHROW_LIST.
562
563 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
564
565         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
566         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
567         ffsi2_no_cmove for !TARGET_CMOVE.
568         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
569         (ffssi2): Remove expander.
570         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
571         mode iterator.
572         (ctz<mode>2): Ditto from ctz{si,di}2.
573         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
574         mode iterator.
575         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
576         mode iterator.
577
578 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
579
580         * dwarf2out.c (AT_linkage_name): Define.
581         (clone_as_declaration): Handle DW_AT_linkage_name.
582         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
583         of DW_AT_MIPS_linkage_name.
584         (move_linkage_attr): Likewise.
585         (dwarf2out_finish): Likewise.
586
587 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
588
589         PR middle-end/41952
590         * fold-const.c (fold_comparison): New folding rule.
591
592 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
593
594         * double-int.h (double_int_setbit): Declare.
595         * double-int.c (double_int_setbit): New function.
596         * rtl.h (immed_double_int_const): Declare.
597         * emit-rtl.c (immed_double_int_const): New function.
598         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
599         and immed_double_int_const functions.
600         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
601         expand_copysign_bit):  (Ditto.).
602         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
603         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
604         * dojump.c (prefer_and_bit_test): (Ditto.).
605         * expr.c (convert_modes, reduce_to_bit_field_precision,
606         const_vector_from_tree): (Ditto.).
607         * expmed.c (mask_rtx, lshift_value): (Ditto.).
608
609 2010-04-20  Jan Hubicka  <jh@suse.cz>
610
611         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
612         (dump_cgraph_node): Dump new flags.
613         * cgraph.h (struct cgraph_node): Add flags
614         reachable_from_other_partition and in_other_partition.
615         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
616         other partition can not be removed.
617         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
618         the other partition must be output; silence sanity checking on
619         leaking functions bodies from other paritition.
620         * lto-cgraph.c (reachable_from_other_partition_p): New function.
621         (lto_output_node): Output new flags; do not sanity check that inline
622         clones are output; drop lto_forced_extern_inline_p code; do not mock
623         visibility flags at partition boundaries.
624         (add_node_to): New function.
625         (output_cgraph): Use it to sort functions so masters appear before
626         clones.
627         (input_overwrite_node): Input new flags.
628         * passes.c (ipa_write_summaries): Do not call
629         lto_new_extern_inline_states.
630         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
631         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
632         lto_forced_extern_inline_p): Kill.
633         * lto-streamer.h (lto_new_extern_inline_states,
634         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
635         lto_forced_extern_inline_p): Kill.
636
637 2010-04-20  Richard Guenther  <rguenther@suse.de>
638
639         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
640         from vars that can have pointers.
641         (process_constraint): Dump useless constraints.
642
643 2010-04-20  Richard Guenther  <rguenther@suse.de>
644
645         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
646         (dump_sa_points_to_info): Remove asserts.
647         (init_base_vars): nothing_id isn't an escape point nor does it
648         have pointers.
649
650 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
651
652         * tree.h (TYPE_REF_IS_RVALUE): Define.
653         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
654         should_move_die_to_comdat, prune_unused_types_walk): Handle
655         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
656         (modified_type_die, gen_reference_type_die): Emit
657         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
658         if TYPE_REF_IS_RVALUE and -gdwarf-4.
659
660 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
661
662         PR target/43635
663         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
664         calls for -fpic -m31 if they have been sibcall optimized.
665
666 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
667
668         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
669         ar.lc fixed and call-used.
670
671         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
672
673 2010-04-19  Jan Hubicka  <jh@suse.cz>
674
675         * opts.c (decode_options): Disable whpr incompatible passes.
676         * lto/lto.c (lto_1_to_1_map): Skip clones.
677         (read_cgraph_and_symbols): Do not mark everything as needed.
678         (do_whole_program_analysis): Do map only after optimizing;
679         set proper cgraph_state; use passmanager.
680
681 2010-04-19  DJ Delorie  <dj@redhat.com>
682
683         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
684         POINTER_PLUS_EXPR and fix them.
685
686 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
687
688         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
689         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
690         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
691         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
692         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
693         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
694         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
695         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
696         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
697         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
698         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
699
700 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
701
702         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
703         (check_cond_move_block): Likewise.
704         (cond_move_process_if_block): Likewise.
705         (noce_find_if_block): Improve formatting.
706         (find_if_header): Pass 0 to memset and tweak conditions.
707         (cond_exec_find_if_block): Fix long lines and tweak conditions.
708
709 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
710
711         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
712         for -gdwarf-4.
713
714         PR middle-end/43337
715         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
716         with non-local decl doesn't need chain.
717
718 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
719
720         * ira-color.c (allocno_reload_assign): Avoid accumulating
721         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
722
723 2010-04-19  Martin Jambor  <mjambor@suse.cz>
724
725         * gimple.h (create_tmp_reg): Declare.
726         * gimplify.c (create_tmp_reg): New function.
727         (gimplify_return_expr): Use create_tmp_reg.
728         (gimplify_omp_atomic): Likewise.
729         (gimple_regimplify_operands): Likewise.
730         * tree-dfa.c (make_rename_temp): Likewise.
731         * tree-predcom.c (predcom_tmp_var): Likewise.
732         (reassociate_to_the_same_stmt): Likewise.
733         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
734         (get_replaced_param_substitute): Likewise.
735         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
736         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
737         * tree-ssa-pre.c (get_representative_for): Likewise.
738         (create_expression_by_pieces): Likewise.
739         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
740         (create_tailcall_accumulator): Likewise.
741
742 2010-04-19  Martin Jambor  <mjambor@suse.cz>
743
744         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
745         new_stmt.
746         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
747
748 2010-04-19  Richard Guenther  <rguenther@suse.de>
749
750         PR tree-optimization/43796
751         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
752         from SCEV in the lattice.
753         (vrp_visit_phi_node): Dump change.
754
755 2010-04-19  Richard Guenther  <rguenther@suse.de>
756
757         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
758         * configure: Re-generated.
759
760 2010-04-19  Richard Guenther  <rguenther@suse.de>
761
762         PR tree-optimization/43783
763         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
764         constant ARRAY_REF operands two and three if possible.
765
766 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
767
768         PR target/43766
769         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
770
771 2010-04-19  Jie Zhang  <jie@codesourcery.com>
772
773         PR target/43662
774         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
775
776 2010-04-19  Ira Rosen  <irar@il.ibm.com>
777
778         PR tree-optimization/37027
779         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
780         and macro to access it.
781         (vectorizable_reduction): Add argument.
782         (vect_get_slp_defs): Likewise.
783         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
784         statements for possible use in SLP.
785         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
786         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
787         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
788         add new argument.
789         (vectorizable_reduction): Likewise.
790         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
791         vect_get_slp_defs.
792         (vectorizable_type_demotion, vectorizable_type_promotion,
793         vectorizable_store): Likewise.
794         (vect_analyze_stmt): Update call to vectorizable_reduction.
795         (vect_transform_stmt): Likewise.
796         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
797         (vect_build_slp_tree): Fix indentation. Check that there are no loads
798         from different interleaving chains in same node.
799         (vect_slp_rearrange_stmts): New function.
800         (vect_supported_load_permutation_p): Allow load permutations for
801         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
802         inside SLP nodes if necessary.
803         (vect_analyze_slp_instance): Handle reductions.
804         (vect_analyze_slp): Try to build SLP instances originating from groups
805         of reductions.
806         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
807         (vect_get_constant_vectors): Create initial vectors for reductions
808         according to reduction code. Add new argument.
809         (vect_get_slp_defs): Add new argument, pass it to
810         vect_get_constant_vectors.
811         (vect_schedule_slp_instance): Remove SLP tree root statements.
812
813 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
814
815         * tree.h (ENUM_IS_SCOPED): Define.
816         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
817         for ENUM_IS_SCOPED enums.
818
819 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
820
821         * fold-const.c (fold_comparison): Use ssizetype.
822         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
823         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
824         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
825         * tree-object-size.c (compute_object_sizes): Use size_type_node.
826
827         * tree.h (initialize_sizetypes): Remove parameter.
828         (build_common_tree_nodes): Remove second parameter.
829         * stor-layout.c (initialize_sizetypes): Remove parameter.
830         Always create an unsigned type.
831         (set_sizetype): Assert that the passed type is unsigned and simplify.
832         * tree.c (build_common_tree_nodes): Remove second parameter.
833         Adjust call to initialize_sizetypes.
834         * c-decl.c (c_init_decl_processing): Remove second argument in call to
835         build_common_tree_nodes.
836
837 2010-04-18  Matthias Klose  <doko@ubuntu.com>
838
839         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
840
841 2010-04-18  Ira Rosen  <irar@il.ibm.com>
842
843         PR tree-optimization/43771
844         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
845         load permutation doesn't have gaps.
846
847 2010-04-18  Jan Hubicka  <jh@suse.cz>
848
849         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
850         (sse_prologue_save_insn expander): Use new pattern.
851         (sse_prologue_save_insn1): New pattern and splitter.
852         (sse_prologue_save_insn): Update to deal also with 64bit aligned
853         blocks.
854         * i386.c (setup_incoming_varargs_64): Do not compute jump
855         destination here.
856         (ix86_gimplify_va_arg): Update alignment needed.
857         (ix86_local_alignment): Do not align all local arrays to 128bit.
858
859 2010-04-17  Jan Hubicka  <jh@suse.cz>
860
861         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
862
863 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
864
865         * arm.md (negdi2): Remove redundant code to force values into a
866         register.
867
868 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
869
870         * arm/bpabi.S: Add EABI alignment attributes to objects.
871         * arm/bpabi-v6m.S: Likewise.
872         * arm/crti.asm: Likewise.
873         * arm/crtn.asm: Likewise.
874         * arm/lib1funcs.asm: Likewise.
875         * arm/libunwind.S: Likewise.
876
877 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
878
879         * arm-protos.h (tune_params): New structure.
880         * arm.c (current_tune): New variable.
881         (arm_constant_limit): Delete.
882         (struct processors): Add pointer to the tune parameters.
883         (arm_slowmul_tune): New tuning option.
884         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
885         (all_cores): Adjust to pick up the tuning model.
886         (arm_constant_limit): New function.
887         (arm_override_options): Select the appropriate tuning model.  Delete
888         initialization of arm_const_limit.
889         (arm_split_constant): Use the new constant-limit model.
890         (arm_rtx_costs): Pick up the current tuning model.
891         * arm.md (is_strongarm, is_xscale): Delete.
892         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
893         for Xscale variant architectures.
894         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
895
896 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
897
898         * config/arm/arm.c (arm_gen_constant): Remove unused variable
899         can_shift.
900         (arm_rtx_costs_1): Remove unused variable extra_cost.
901         (arm_unwind_emit_set): Use variable offset.
902         (thumb1_output_casesi): Remove unused variable flags.
903
904 2010-04-16  Jeff Law  <law@redhat.com>
905
906         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
907         needing assignment rather than doing a two-phase assignment.  Remove
908         unused variable 'm'.
909
910 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
911
912         PR bootstrap/43767
913         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
914
915 2010-04-16  Doug Kwan  <dougkwan@google.com>
916
917         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
918         (next_operand_entry_id): New static variable.
919         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
920         (add_to_ops_vec): Assigned unique ID to operand entry.
921         (struct oecount_s): New field ID.
922         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
923         (undistribute_ops_list): Assign unique IDs to oecounts.
924         (init_reassoc): reset next_operand_entry_id.
925
926 2010-04-16  Doug Kwan  <dougkwan@google.com>
927
928         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
929         missing left parenthesis.
930
931 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
932
933         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
934         *btdi_rex64 using SWI48 mode iterator.
935         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
936         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
937         *jcc_btdi_mask_rex64.
938
939 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
940
941         * double-int.h (tree_to_double_int): Convert to macro.
942         * double-int.c (tree_to_double_int): Remove.
943
944 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
945
946         PR debug/43762
947         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
948         with want_address 2 and in case a single element list might be
949         possible, call it again with want_address 0.
950
951 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
952
953         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
954         case 'W' print operands for HI mode.
955         * config/h8300/h8300.h (Y0, Y2) : New constraints.
956         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
957         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
958         * config/h8300/predicate.md (bit_register_indirect_operand): New.
959
960         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
961
962         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
963         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
964         #xx:3 and #xx:4 mode.
965
966         * config/h8300/h8300.md (inverted load with HImode dest): Add
967         support for H8300SX.
968
969         * config/h8300/predicate.md (bit_operand): Allow immediate values that
970         satisfy 'U' constraint.
971
972 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
973
974         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
975         * configure: Regenerate.
976         * config.in: Regenerate.
977         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
978         works.
979
980 2010-04-16  Richard Guenther  <rguenther@suse.de>
981
982         * tree.h (struct tree_decl_minimal): Move pt_uid ...
983         (struct tree_decl_common): ... here.
984         (DECL_PT_UID): Adjust.
985         (SET_DECL_PT_UID): Likewise.
986         (DECL_PT_UID_SET_P): Likewise.
987
988 2010-04-16  Richard Guenther  <rguenther@suse.de>
989
990         PR tree-optimization/43572
991         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
992         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
993         * tree-flow.h (is_call_clobbered): Remove.
994         * tree-flow-inline.h (is_call_clobbered): Likewise.
995         * tree-dfa.c (dump_variable): Do not dump call clobber state.
996         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
997         (execute_return_slot_opt): Adjust.
998         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
999         check for call clobbered vars here.
1000         (find_tail_calls): Move tailcall verification to the
1001         proper place.
1002
1003 2010-04-16  Diego Novillo  <dnovillo@google.com>
1004
1005         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1006
1007 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1008
1009         PR target/40603
1010         * config/arm/arm.md (cbranchqi4): New pattern.
1011         * config/arm/predicates.md (const0_operand,
1012         cbranchqi4_comparison_operator): New predicates.
1013
1014 2010-04-16  Richard Guenther  <rguenther@suse.de>
1015
1016         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1017         (dump_gimple_stmt): Likewise.
1018
1019 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1020
1021         * recog.h (struct recog_data): New field is_operator.
1022         (struct insn_operand_data): New field is_operator.
1023         * recog.c (extract_insn): Set recog_data.is_operator.
1024         * genoutput.c (output_operand_data): Emit code to set the
1025         is_operator field.
1026         * reload.c (find_reloads): Use it rather than testing for an
1027         empty constraint string.
1028
1029         PR target/41514
1030         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1031         If the previous insn is a cbranchsi4_insn with the same arguments,
1032         omit the compare instruction.
1033
1034         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1035         register, inputs must be low registers and we need a low register
1036         scratch.  Handle alternative 2 like alternative 3.
1037
1038 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1039
1040         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1041         don't call get_addr on both.  If one expression is a VALUE and
1042         the other a REG, check VALUE's locs if the REG isn't among them.
1043
1044 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1045
1046         * config/sh/sh.h (sh_frame_pointer_required): New function.
1047         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1048         (flag_omit_frame_pointer) Set.
1049         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1050         (rounded_frame_size): Adjust size with outgoing_args_size.
1051         (sh_set_return_address): Must return from stack pointer.
1052         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1053         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1054         (ACCUMULATE_OUTGOING_ARGS): Define.
1055         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1056         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1057
1058 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1059
1060         PR target/43471
1061         * config/sh/sh.c (sh_legitimize_reload_address): Use
1062         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1063         Remove a unneeded check for offset_base.
1064
1065 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         * configure: Regenerated.
1068
1069 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1070
1071         * config/s390/s390.c (s390_call_save_register_used): Switch back
1072         to HARD_REGNO_NREGS.
1073
1074 2010-04-15  Richard Guenther  <rguenther@suse.de>
1075
1076         * alias.c (alias_set_subset_of): Handle alias-set zero
1077         child properly.
1078
1079 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1080             Julian Brown  <julian@codesourcery.com>
1081
1082         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1083         alternatives according to use of high and low regs.
1084         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1085         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1086         optimizing for size on Thumb-2.
1087
1088 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1089
1090         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1091
1092 2010-04-15  Richard Guenther  <rguenther@suse.de>
1093
1094         * tree-ssa-structalias.c (struct variable_info): Add
1095         is_fn_info flag.
1096         (new_var_info): Initialize it.
1097         (dump_constraints): Support printing last added constraints.
1098         (debug_constraints): Adjust.
1099         (dump_constraint_graph): Likewise.
1100         (make_heapvar_for): Check for NULL cfun.
1101         (get_function_part_constraint): New function.
1102         (get_fi_for_callee): Likewise.
1103         (find_func_aliases): Properly implement IPA PTA constraints.
1104         (process_ipa_clobber): New function.
1105         (find_func_clobbers): Likewise.
1106         (insert_into_field_list_sorted): Remove.
1107         (create_function_info_for): Properly allocate vars for IPA mode.
1108         Do not use insert_into_field_list_sorted.
1109         (create_variable_info_for): Properly generate constraints for
1110         global vars in IPA mode.
1111         (dump_solution_for_var): Always dump the solution.
1112         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1113         (find_what_var_points_to): Adjust.
1114         (pt_solution_set): Change.
1115         (pt_solution_ior_into): New function.
1116         (pt_solution_empty_p): Export.
1117         (pt_solution_includes_global): Adjust.
1118         (pt_solution_includes_1): Likewise.
1119         (pt_solutions_intersect_1): Likewise.
1120         (dump_sa_points_to_info): Check some invariants.
1121         (solve_constraints): Move constraint dumping ...
1122         (compute_points_to_sets): ... here.
1123         (ipa_pta_execute): ... and here.
1124         (compute_may_aliases): Do not re-compute points-to info
1125         locally if IPA info is available.
1126         (ipa_escaped_pt): New global var.
1127         (ipa_pta_execute): Properly implement IPA PTA.
1128         * tree-into-ssa.c (dump_decl_set): Support dumping
1129         decls not in referenced-vars.
1130         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1131         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1132         (dump_points_to_solution): Likewise.
1133         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1134         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1135         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1136         (copy_decl_to_var): Copy DECL_PT_UID.
1137         (copy_result_decl_to_var): Likewise.
1138         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1139         (copy_node_stat): Copy it.
1140         * tree.h (DECL_PT_UID): New macro.
1141         (SET_DECL_PT_UID): Likewise.
1142         (DECL_PT_UID_SET_P): Likewise.
1143         (struct tree_decl_minimal): Add pt_uid member.
1144         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1145         (pt_solution_empty_p): Declare.
1146         (pt_solution_set): Adjust.
1147         (ipa_escaped_pt): Declare.
1148         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1149         * gimple-pretty-print.c (pp_points_to_solution): New function.
1150         (dump_gimple_call): Dump call clobber/use information.
1151         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1152         * tree-pass.h (TDF_ALIAS): New dump option.
1153         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1154         * doc/invoke.texi (-fipa-pta): Update documentation.
1155
1156 2010-04-15  Richard Guenther  <rguenther@suse.de>
1157
1158         * Makefile.in (OBJS-common): Add gimple-fold.o.
1159         (gimple-fold.o): New rule.
1160         * tree.h (maybe_fold_offset_to_reference,
1161         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1162         prototypes ...
1163         * gimple.h: ... here.
1164         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1165         may_propagate_address_into_dereference): Move prototypes ...
1166         * gimple.h: ... here.
1167         * tree-ssa-ccp.c (get_symbol_constant_value,
1168         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1169         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1170         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1171         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1172         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1173         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1174         gimplify_and_update_call_from_tree): Move ...
1175         * gimple-fold.c: ... here.  New file.
1176         (ccp_fold_builtin): Rename to ...
1177         (gimple_fold_builtin): ... this.
1178         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1179
1180 2010-04-15  Richard Guenther  <rguenther@suse.de>
1181
1182         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1183         fit_double_type, force_fit_type_double, add_double_with_sign,
1184         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1185         lrotate_double, rrotate_double, div_and_round_double): Move ...
1186         * double-int.c: ... here.
1187         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1188         add_double, neg_double, mul_double_with_sign, mul_double,
1189         lshift_double, rshift_double, lrotate_double, rrotate_double,
1190         div_and_round_double): Move prototypes ...
1191         * double-int.h: ... here.
1192
1193 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1194
1195         PR target/43742
1196         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1197         matching constraints to ensure inputs match the output.
1198
1199 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1200
1201         PR target/43742
1202         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1203         in an input-only operand.
1204
1205 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1206
1207         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1208         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1209         (double_int_negative_p): Convert to static inline function.
1210         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1211         (double_int_negative_p): Remove.
1212         * tree.h (lshift_double, rshift_double):
1213         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1214         * fold-const.c (fold_convert_const_int_from_real,
1215         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1216         (lshift_double): Change type of arith argument to bool.
1217         (rshift_double): Change type of arith argument to bool. Correct
1218         comment.
1219         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1220
1221 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1222
1223         PR target/21803
1224         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1225         at the start and end of the then/else blocks, and omit them from the
1226         conversion.
1227         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1228         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1229         (flow_find_head_matching_sequence): New function.
1230         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1231         * basic-block.h (flow_find_cross_jump,
1232         flow_find_head_matching_sequence): Declare functions.
1233
1234 2010-04-14  Jason Merrill  <jason@redhat.com>
1235
1236         PR c++/36625
1237         * c-common.c (attribute_takes_identifier_p): New fn.
1238         * c-common.h: Declare it.
1239
1240 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1241
1242         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1243         splitter condition.
1244         (*udivmod<mode>4): Ditto.
1245
1246 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * config/i386/i386.md (maxmin_int): Rename code attribute from
1249         maxminiprefix and update all users.
1250         (maxmin_float): Ditto from maxminfprefix.
1251         (logic): Ditto from logicprefix.
1252         (absneg_mnemonic): Ditto from absnegprefix.
1253         * config/i386/mmx.md: Update all users of maxminiprefix,
1254         maxminfprefix and logicprefix for rename.
1255         * config/i386/sse.md: Ditto.
1256         * config/i386/sync.md (sync_<code><mode>): Update for
1257         logicprefix rename.
1258
1259 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1260
1261         PR 42966
1262         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1263         warnings converted to errors.
1264
1265 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1268         used insn_type variable.
1269         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1270         to avoid set-but-not-used warning.
1271
1272 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         * df-core.c (df_ref_debug): Change format string placeholder
1275         from 0x%x to %#x.
1276         * dwarf2asm.c (dw2_asm_output_data_raw,
1277         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1278         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1279         * dwarf2out.c (output_cfi, output_cfi_directive,
1280         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1281         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1282         Ditto.
1283         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1284         * print-rtl.c (print_rtx): Ditto.
1285
1286 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1287
1288         PR middle-end/42694
1289         * builtins.c (expand_builtin_pow_root): New function to expand pow
1290         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1291         series of sqrt and cbrt calls under -ffast-math.
1292         (expand_builtin_pow): Call it.
1293
1294 2010-04-14  Michael Matz  <matz@suse.de>
1295
1296         PR tree-optimization/42963
1297         * tree-cfg.c (touched_switch_bbs): New static variable.
1298         (group_case_labels_stmt): New function broken out from ...
1299         (group_case_labels): ... here, use the above.
1300         (start_recording_case_labels): Allocate touched_switch_bbs.
1301         (end_recording_case_labels): Deallocate it, call
1302         group_case_labels_stmt.
1303         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1304
1305 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1306
1307         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1308         from insn template.
1309
1310 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1311
1312         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1313
1314 2010-04-13  Jan Hubicka  <jh@suse.cz>
1315
1316         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1317         of optimized out static functions.
1318         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1319         cost computation.  Also sanity check for overflows.
1320         (update_caller_keys): Update cgraph_edge_badness call; properly
1321         update fibheap and sanity check that it is up to date.
1322         (add_new_edges_to_heap): Update cgraph_edge_badness.
1323         (cgraph_decide_inlining_of_small_function): Likewise;
1324         add sanity checking that badness in heap is up to date;
1325         improve dumping of reason; Update badness of calls to the
1326         offline copy of function currently inlined; dump badness
1327         of functions not inlined because of unit growth limits.
1328
1329 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1330
1331         PR middle-end/32628
1332         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1333         because of sign-extension change when converting to sizetype here...
1334         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1335
1336         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1337         the folding to constants.  Remove redundant final conversion.
1338         (fold_binary) <associate>: Do not associate if the re-association of
1339         constants alone overflows.
1340         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1341         to the end of the list.
1342         (multiple_of_p) <COND_EXPR>: New case.
1343
1344 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1345
1346         * opt-functions.awk (opt_sanitized_name): New.
1347         (opt_enum): New.
1348         * optc-gen.awk: Use it
1349         * opth-gen.awk: Use it.
1350
1351 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1352
1353         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1354         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1355         children.  Call replace_uses_with_default_def_ssa_name to handle
1356         SSA_NAES on lhs.
1357
1358 2010-04-13  Michael Matz  <matz@suse.de>
1359
1360         PR middle-end/43730
1361         * builtins.c (expand_builtin_interclass_mathfn): Also create
1362         a register if the predicate doesn't match.
1363
1364 2010-04-13  Diego Novillo  <dnovillo@google.com>
1365
1366         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1367         * c-pch.c: Include timevar.h.
1368         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1369         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1370         * ggc-common.c: Include timevar.h.
1371         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1372         * timevar.def (TV_PCH_SAVE): Define.
1373         (TV_PCH_CPP_SAVE): Define.
1374         (TV_PCH_PTR_REALLOC): Define.
1375         (TV_PCH_PTR_SORT): Define.
1376         (TV_PCH_RESTORE): Define.
1377         (TV_PCH_CPP_RESTORE): Define.
1378
1379 2010-04-13  Michael Matz  <matz@suse.de>
1380
1381         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1382         into MINUS_EXPRs.
1383         (can_reassociate_p): New function.
1384         (break_up_subtract_bb, reassociate_bb): Use it.
1385
1386 2010-04-13  Richard Guenther  <rguenther@suse.de>
1387
1388         PR bootstrap/43737
1389         * builtins.c (c_readstr): Fix assert.
1390
1391 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1392
1393         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1394         when generating cltd insn.
1395
1396         (*ashl<mode>3_1): Remove special handling for register operand 2.
1397         (*ashlsi3_1_zext): Ditto.
1398         (*ashlhi3_1): Ditto.
1399         (*ashlhi3_1_lea): Ditto.
1400         (*ashlqi3_1): Ditto.
1401         (*ashlqi3_1_lea): Ditto.
1402         (*<shiftrt_insn><mode>3_1): Ditto.
1403         (*<shiftrt_insn>si3_1_zext): Ditto.
1404         (*<shiftrt_insn>qi3_1_slp): Ditto.
1405         (*<rotate_insn><mode>3_1): Ditto.
1406         (*<rotate_insn>si3_1_zext): Ditto.
1407         (*<rotate_insn>qi3_1_slp): Ditto.
1408
1409 2010-04-13  Richard Guenther  <rguenther@suse.de>
1410
1411         * tree-ssa-structalias.c (callused_id): Remove.
1412         (call_stmt_vars): New.
1413         (get_call_vi): Likewise.
1414         (lookup_call_use_vi): Likewise.
1415         (lookup_call_clobber_vi): Likewise.
1416         (get_call_use_vi): Likewise.
1417         (get_call_clobber_vi): Likewise.
1418         (make_transitive_closure_constraints): Likewise.
1419         (handle_const_call): Adjust to do per-call call-used handling.
1420         (handle_pure_call): Likewise.
1421         (find_what_var_points_to): Remove general callused handling.
1422         (init_base_vars): Likewise.
1423         (init_alias_vars): Initialize call_stmt_vars.
1424         (compute_points_to_sets): Process call-used and call-clobbered
1425         vars for call statements.
1426         (delete_points_to_sets): Free call_stmt_vars.
1427
1428 2010-04-13  Richard Guenther  <rguenther@suse.de>
1429
1430         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1431         Only add RW dependence for dependence distance zero.
1432         Adjust maximal vectorization factor according to dependences.
1433         Move alignment handling ...
1434         (vect_find_same_alignment_drs): ... here.  New function.
1435         (vect_analyze_data_ref_dependences): Adjust.
1436         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1437         (vect_analyze_data_refs): Adjust minimal vectorization factor
1438         according to data references.
1439         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1440         dependences before determining the vectorization factor.
1441         Analyze alignment after determining the vectorization factor.
1442         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1443         dependences before alignment.
1444         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1445         Adjust prototype.
1446         (vect_analyze_data_refs): Likewise.
1447         (MAX_VECTORIZATION_FACTOR): New define.
1448
1449 2010-04-13  Duncan Sands  <baldrick@free.fr>
1450
1451         * except.h (lang_eh_type_covers): Remove.
1452         * except.c (lang_eh_type_covers): Likewise.
1453
1454 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1455             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1456
1457         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1458         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1459         UNITS_PER_LONG where it is ABI relevant.
1460         (s390_return_addr_rtx): Likewise.
1461         (s390_back_chain_rtx): Likewise.
1462         (s390_frame_area): Likewise.
1463         (s390_frame_info): Likewise.
1464         (s390_initial_elimination_offset): Likewise.
1465         (save_gprs): Likewise.
1466         (s390_emit_prologue): Likewise.
1467         (s390_emit_epilogue): Likewise.
1468         (s390_function_arg_advance): Likewise.
1469         (s390_function_arg): Likewise.
1470         (s390_va_start): Likewise.
1471         (s390_gimplify_va_arg): Likewise.
1472         (s390_function_profiler): Likewise.
1473         (s390_optimize_prologue): Likewise.
1474         (s390_rtx_costs): Likewise.
1475         (s390_secondary_reload): Likewise.
1476         (s390_promote_function_mode): Likewise.
1477         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1478         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1479         registers available.
1480         (s390_unwind_word_mode): New function.
1481         (s390_function_value): Split 64 bit values into register pair if
1482         used as return value.
1483         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1484         function call parameters.  Handle parallels.
1485         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1486         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1487         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1488         (s390_expand_setmem): Remove unused variable src_addr.
1489         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1490         deal with 64 bit registers.
1491         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1492         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1493         (UNITS_PER_LONG): New macro.
1494         * libjava/include/s390-signal.h: Define extended ucontext
1495         structure containing the upper halfs of the 64 bit registers.
1496
1497 2010-04-13  Simon Baldwin  <simonb@google.com>
1498
1499         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1500
1501 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1502
1503         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1504         rvalue on the RHS if the LHS is of a non-renamable type.
1505         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1506
1507 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1508
1509         * gcc.c (cc1_options): Handle -iplugindir before processing
1510         the cc1 spec. Only add -iplugindir once.
1511         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1512         found.
1513         * common.opt (iplugindir): Remove `Separate' property, initialize.
1514         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1515         option.
1516         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1517         (distclean): Remove plugin dir.
1518         * doc/invoke.texi: Document -iplugindir.
1519
1520 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1521
1522         * doc/plugins.texi (Loading Plugins): Document short
1523         -fplugin=foo option.
1524         (Plugin API): Mention default_plugin_dir_name function.
1525
1526         * gcc.c (find_file_spec_function): Add new declaration.
1527         (static_spec_func): Use it for "find-file".
1528         (find_file_spec_function): Add new function.
1529         (cc1_options): Add -iplugindir option if -fplugin* options found.
1530
1531         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1532
1533         * plugin.c (add_new_plugin): Updated comment, and handle short
1534         plugin name.
1535         (default_plugin_dir_name): Added new function.
1536
1537         * common.opt (iplugindir): New option to set the plugin directory.
1538
1539 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1540
1541         * config/i386/i386.md (any_rotate): New code iterator.
1542         (rotate_insn): New code attribute.
1543         (rotate): Ditto.
1544         (SWIM124): New mode iterator.
1545         (<rotate_insn>ti3): New expander.
1546         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1547         any_rotate code iterator.
1548         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1549         using any_rotate code iterator and SWIM124 mode iterator.
1550         (ix86_rotlti3): New insn_and_split pattern.
1551         (ix86_rotrti3): Ditto.
1552         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1553         ix86_rotl{di,ti}3 patterns.
1554         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1555         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1556         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1557         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1558         code iterator and SWI mode iterator.
1559         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1560         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1561         code iterator.
1562         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1563         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1564         (bswap rotatert splitter): Add splitter.
1565         (bswap splitter): Macroize splitter using any_rotate code iterator.
1566         Add insn predicate to split only for TARGET_USE_XCHGB or when
1567         optimizing function for size.
1568
1569 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1570
1571         * config/pa/pa.c (emit_move_sequence): Remove use of
1572         deleted variable flag_argument_noalias.
1573
1574 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1575
1576         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1577         configurations.
1578         Add to unsupported targets list.
1579         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1580         sparc*-sun-solaris2.[567]* from target lists.
1581         * configure: Regenerate.
1582         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1583         removal.
1584         Remove Solaris 7 patch references.
1585         (Specific, sparc-sun-solaris2.7): Removed.
1586         (sparc-sun-solaris2*): Update Solaris 7 example.
1587         (sparc64-*-solaris2*): Likewise.
1588
1589 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1590
1591         * config.build (alpha*-dec-osf4*): Remove.
1592         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1593         of obsolete configurations.
1594         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1595         support.
1596         * config/alpha/t-osf4: Renamed to ...
1597         * config/alpha/t-osf5: ... this.
1598         * config/alpha/osf.h: Renamed to ...
1599         * config/alpha/osf5.h: ... this.
1600         Merged old osf5.h contents.
1601         Update comments.
1602         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1603         (EXTRA_SPECS): Removed.
1604         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1605         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1606         Document that.
1607
1608 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1609
1610         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1611
1612 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1613
1614         PR/43702
1615         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1616         __thiscall convention.
1617
1618 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1619
1620         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1621         orig_base.
1622         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1623
1624 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1625
1626         * function.c (assign_parms_initialize_all): Add unused attribute
1627         to fntype.
1628
1629 2010-04-12  Richard Guenther  <rguenther@suse.de>
1630
1631         * gsstruct.def (GSS_CALL): New.
1632         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1633         * gimple.h: Include tree-ssa-alias.h.
1634         (struct gimple_statement_call): New.
1635         (union gimple_statement_struct_d): Add gimple_call member.
1636         (gimple_call_reset_alias_info): Declare.
1637         (gimple_call_use_set): New function.
1638         (gimple_call_clobber_set): Likewise.
1639         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1640         * gimple.c (gimple_call_reset_alias_info): New function.
1641         (gimple_build_call_1): Call it.
1642         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1643         * tree-inline.c (remap_gimple_stmt): Likewise.
1644         (expand_call_inline): Remove callused handling.
1645         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1646         * tree-dfa.c (dump_variable): Likewise.
1647         * tree-parloops.c (parallelize_loops): Likewise.
1648         * tree-ssa.c (init_tree_ssa): Likewise.
1649         (delete_tree_ssa): Likewise.
1650         * tree-flow-inline.h (is_call_used): Remove.
1651         * tree-flow.h (struct gimple_df): Remove callused member.
1652         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1653         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1654         (ref_maybe_used_by_call_p_1): Simplify.
1655         (call_may_clobber_ref_p_1): Likewise.
1656         * tree-ssa-structalias.c (compute_points_to_sets): Set
1657         the call stmt used and clobbered sets.
1658         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1659         (find_tail_calls): Verify the tail call.
1660
1661 2010-04-12  Richard Guenther  <rguenther@suse.de>
1662
1663         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1664         single-iteration always-inline inlining.
1665         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1666         (cgraph_decide_inlining): Do not handle always-inline specially.
1667         (try_inline): Remove always-inline cycle detection special case.
1668         Do not recurse on always-inlines.
1669         (cgraph_early_inlining): Do not iterate if not optimizing.
1670         (cgraph_gate_early_inlining): remove.
1671         (pass_early_inline): Run unconditionally.
1672         (gate_cgraph_decide_inlining): New function.
1673         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1674         not inlining or optimizing.
1675         (cgraph_decide_inlining_of_small_functions): Also consider
1676         always-inline functions.
1677         (cgraph_default_inline_p): Return true for nodes which should
1678         disregard inline limits.
1679         (estimate_function_body_sizes): Assume zero size and time for
1680         nodes which are marked as disregarding inline limits.
1681         (cgraph_decide_recursive_inlining): Do not perform recursive
1682         inlining on always-inline nodes.
1683
1684 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR bootstrap/43699
1687         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1688         for exprs satisfying handled_component_p.
1689
1690 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1691
1692         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1693         non-constant aggregate elements.
1694
1695         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1696         is a real initialization.
1697
1698 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1699
1700         PR c/36774
1701         * c-decl.c (start_function): Move forward check for nested function.
1702
1703 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1704
1705         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1706         * config/sh/sh.c: Include reload.h.
1707         (sh_legitimize_reload_address): New.
1708         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1709         sh_legitimize_reload_address.
1710
1711 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1712
1713         * config/sh/sh.md (*movqi_pop): New insn pattern.
1714         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1715
1716 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1717
1718         * config/i386/i386.md (any_shiftrt): New code iterator.
1719         (shiftrt_insn): New code attribute.
1720         (shiftrt): Ditto.
1721         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1722         using any_shiftrt code iterator.
1723         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1724         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1725         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1726         pattern from corresponding peephole2 patterns.
1727         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1728         using any_shiftrt code iterator.
1729         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1730         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1731         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1732         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1733         *{ashr,lshr}<mode>3_cmp_zext.
1734         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1735
1736 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1737
1738         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1739         scratch register.
1740         (*lshr<mode>3_cconly): Ditto.
1741
1742 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1743
1744         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1745         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1746         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1747         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1748         DWI mode iterator.
1749         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1750         from corresponding peephole2 patterns.
1751         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1752         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1753         and *lshrdi3_1_rex64 using SWI mode iterator.
1754         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1755         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1756         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1757         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1758         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1759         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1760         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1761         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1762         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1763         SWI mode iterator.
1764
1765 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1766
1767         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1768         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1769         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1770         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1771         DWI mode iterator.
1772         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1773         from corresponding peephole2 patterns.
1774         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1775         (ashrsi3_cvt): Rename from ashrsi3_31.
1776         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1777         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1778         and x86_64_shift_adj_3 using SWI48 mode iterator.
1779         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1780         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1781         and *ashrdi3_1_rex64 using SWI mode iterator.
1782         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1783         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1784         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1785         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1786         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1787         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1788         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1789         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1790         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1791         SWI mode iterator.
1792         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1793         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1794         x86_shift<mode>_adj_3 expanders.
1795
1796 2010-04-10  Wei Guozhi  <carrot@google.com>
1797
1798         PR target/42601
1799         * config/arm/arm.c (arm_pic_static_addr): New function.
1800         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1801         a static symbol.
1802         (arm_output_addr_const_extra): Output expression for new pattern.
1803         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1804
1805 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1806
1807         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1808         not enabled.
1809
1810         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1811         * web.c: Include "insn-config.h" and "recog.h".
1812         (union_match_dups): New function.
1813         (web_main): Call it.
1814         (union_defs): Don't try to recognize match_dups.
1815
1816         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1817         if doing so would replace the entire pattern.
1818
1819 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1820
1821         PR target/43707
1822         PR target/43709
1823         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1824         and splitter pattern.  Change splitter operand 1 predicate to
1825         nonmemory_operand.
1826
1827 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1828
1829         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1830         lattices are addresses of CONST_DECLs with the same initial value.
1831         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1832         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1833
1834 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1835             Bernd Schmidt  <bernds@codesourcery.com>
1836
1837         * loop-invariant.c (replace_uses): New static function.
1838         (move_invariant_reg): Use it to ensure we can replace the uses.
1839
1840 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1841
1842         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1843         function template.
1844         (picochip_override_options): Enable section anchors only above -O1.
1845         (picochip_reorg): Fixed a couple of build warnings.
1846
1847 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1848
1849         * configure.ac (plugin -rdynamic test): Log result.
1850         * configure: Regenerate.
1851         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1852         (RDYNAMIC_SPEC): Define.
1853         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1854
1855 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1856
1857         * configure.ac: Determine Sun ld version numbers.
1858         (comdat_group): Restrict GNU ld version checks to gld.
1859         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1860         (enable_comdat): Support --enable-comdat.
1861         * configure: Regenerate.
1862         * doc/install.texi (Configuration): Document --enable-comdat.
1863
1864 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1865
1866         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1867         * config/sol2-gld.h: ... here.
1868         * config.gcc (sparc*-*-solaris2*): Reflect this.
1869         (i[34567]86-*-solaris2*): Use it.
1870
1871 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1872
1873         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1874         setup_clocks_p.
1875         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1876
1877 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1878
1879         PR 42965
1880         * diagnostic.c (diagnostic_initialize): Initialize
1881         some_warnings_are_errors.
1882         (diagnostic_finish): New.
1883         (diagnostic_action_after_output): Call it before exiting.
1884         (diagnostic_report_diagnostic): Do not print message here. Set
1885         some_warnings_are_errors.
1886         * diagnostic.h (diagnostic_context): Delete
1887         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1888         (diagnostic_finish): Declare.
1889         * toplev.c (toplev_main): Call it before exit.
1890
1891 2010-04-09  Jason Merrill  <jason@redhat.com>
1892
1893         PR c++/42623
1894         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1895         for incomplete type.
1896
1897         PR c++/41788
1898         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1899         based on a warning flag.
1900
1901 2010-04-09  Richard Guenther  <rguenther@suse.de>
1902
1903         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1904
1905 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1906
1907         PR bootstrap/43684
1908         * varasm.c (default_assemble_visibility): Wrap vars that are
1909         set, but unused, by targets without GAS.
1910         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1911         Remove set, but unused, vars.
1912         (rs6000_legitimize_tls_address): Likewise.
1913         (altivec_expand_dst_builtin): Likewise.
1914         * config/darwin.c (machopic_classify_symbol): Likewise.
1915         (machopic_indirection_name): Likewise.
1916
1917 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1918
1919         * config/i386/i386.md (DWI): New mode iterator.
1920         (S): New mode attribute.
1921         (shift_operand): Ditto.
1922         (shift_immediate_operand): Ditto.
1923         (ashl_input_operand): Ditto.
1924         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1925         using SDWIM mode iterator.
1926         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1927         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1928         DWI mode iterator.
1929         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1930         from corresponding peephole2 patterns.
1931         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1932         and x86_64_shift_adj_1 using SWI48 mode iterator.
1933         (x86_shift<mode>_adj_2): Ditto.
1934         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1935         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1936         using SWI48 mode iterator.
1937         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1938         *ashldi3_cmp_rex64 using SWI mode iterator.
1939         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1940         *ashldi3_cconly_rex64 using SWI mode iterator.
1941         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1942         x86_shift<mode>_adj_{1,2}.
1943         (ix86_split_ashr): Ditto.
1944         (ix86_split_lshr): Ditto.
1945
1946 2010-04-09  Richard Guenther  <rguenther@suse.de>
1947
1948         * target.h (builtin_conversion): Pass in input and output types.
1949         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1950         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1951         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1952         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1953
1954         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1955         Handle AVX modes.
1956         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1957
1958 2010-04-09  Richard Guenther  <rguenther@suse.de>
1959
1960         PR target/43152
1961         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1962
1963 2010-04-09  Richard Guenther  <rguenther@suse.de>
1964
1965         * tree-vectorizer.h (struct _stmt_vec_info): Document
1966         that vectype is the type of the LHS.
1967         (supportable_widening_operation, supportable_narrowing_operation):
1968         Get both input and output vector types as arguments.
1969         (vect_is_simple_use_1): Declare.
1970         (get_same_sized_vectype): Likewise.
1971         * tree-vect-loop.c (vect_determine_vectorization_factor):
1972         Set STMT_VINFO_VECTYPE to the vector type of the def.
1973         (vectorizable_reduction): Adjust.
1974         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1975         Adjust.  Specify the output vector type.
1976         (vect_pattern_recog_1): Adjust.
1977         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1978         (vectorizable_call): Adjust.
1979         (vectorizable_conversion): Likewise.
1980         (vectorizable_operation): Likewise.
1981         (vectorizable_type_demotion): Likewise.
1982         (vectorizable_type_promotion): Likewise.
1983         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1984         the def.
1985         (vect_is_simple_use_1): New function.
1986         (supportable_widening_operation): Get both input and output
1987         vector types.
1988         (supportable_narrowing_operation): Likewise.
1989         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1990
1991 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1992
1993         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1994         __thiscall and _thiscall as predefined macros.
1995         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1996         thiscall attribute handling.
1997         (ix86_comp_type_attributes): Likewise.
1998         (ix86_function_regparm): Likewise.
1999         (ix86_return_pops_args): Likewise.
2000         (init_cumulative_args): Likewise.
2001         (find_drap_reg): Likewise.
2002         (ix86_static_chain): Likewise.
2003         (x86_this_parameter): Likewise.
2004         (x86_output_mi_thunk): Likewise.
2005         (ix86_attribute_table): Add description for thiscall attribute.
2006         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2007         * doc/extend.texi: Add documentation for thiscall.
2008
2009 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2010
2011         PR c++/28584
2012         * c.opt (Wint-to-pointer-cast): Available in C++.
2013         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2014
2015 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2016
2017         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2018         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2019         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2020         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2021         function type instead.  Reorder and simplify checks.
2022
2023         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2024
2025 2010-04-08  Jing Yu  <jingyu@google.com>
2026             Zdenek Dvorak  <ook@ucw.cz>
2027
2028         PR tree-optimization/42720
2029         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2030         loop unswitch conditions here from ...
2031         (tree_unswitch_single_loop): ... here.
2032
2033 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * tree-if-conv.c: Fix comments and simplify logic.
2036
2037 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2040         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2041         (main_tree_if_conversion): Update call to tree_if_conversion.
2042
2043 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2044
2045         PR 42485
2046         * doc/invoke.texi (-b,-V): Delete.
2047         * doc/tm.texi: Do not mention -b.
2048         * gcc.c (display_help): Delete -b and -V.
2049         (process_command): Delete -b and -V.
2050         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2051
2052 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2053             Wolfgang Gellerich  <gellerich@de.ibm.com>
2054
2055         Implement target hook for loop unrolling
2056         * target.h (loop_unroll_adjust): Add a new target hook function.
2057         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2058         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2059         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2060         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2061         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2062         target hook.
2063         (decide_unroll_stupid): Likewise.
2064
2065 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2066
2067         PR target/43643
2068         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2069
2070 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2071
2072         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2073         (Specific, *-*-solaris2*): Likewise.
2074         Don't prefer Sun as over GNU as.
2075
2076 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2077
2078         * config/s390/s390.c (override_options): Adjust the z10
2079           defaults for max-unroll-times, max-completely-peeled-insns
2080           and max-completely-peel-times.
2081
2082 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2083
2084         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2085         instructions for z10.
2086         (s390_expand_setmem): Likewise.
2087         (s390_expand_cmpmem): Likewise.
2088
2089 2010-04-08  Richard Guenther  <rguenther@suse.de>
2090
2091         PR tree-optimization/43679
2092         * tree-ssa-pre.c (eliminate): Only propagate copies.
2093
2094 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR bootstrap/43681
2097         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2098         set but not used variable warning.
2099
2100 2010-04-08  Wei Guozhi  <carrot@google.com>
2101
2102         PR target/41653
2103         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2104         (arm_size_rtx_costs): Call the new function when optimized for size.
2105
2106 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2107
2108         PR debug/43670
2109         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2110         op0 is not a MEM, just return NULL instead of assertion
2111         failure.
2112         (discover_nonconstant_array_refs): Don't walk debug stmts.
2113
2114 2010-04-08  Doug Kwan  <dougkwan@google.com>
2115
2116         * configure.ac: Recognize gold and do not use its version number
2117         to test ld features.
2118         * configure: Regenerate.
2119
2120 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2121
2122         PR middle-end/40815
2123         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2124         (negate_value): Move code to push elements to broken_up_substracts ...
2125         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2126         negative pair to plus_negates.
2127         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2128
2129 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2130
2131         * doc/install.texi (Configuration): Move description of
2132         --enable-lto, --with-libelf*, --enable-gold from Java section to
2133         general section.
2134
2135         * doc/generic.texi (Working with declarations)
2136         (Function Properties, C and C++ Trees): Fix typos.
2137         * doc/sourcebuild.texi (Top Level): Likewise.
2138
2139 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2140
2141         PR c/18624
2142         * tree.h (DECL_READ_P): Define.
2143         (struct tree_decl_common): Add decl_read_flag.
2144         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2145         a set but not used warning.
2146         (merge_decls): Merge DECL_READ_P flag.
2147         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2148         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2149         * c-common.c (handle_used_attribute, handle_unused_attribute):
2150         Likewise.
2151         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2152         New prototypes.
2153         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2154         New functions.
2155         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2156         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2157         c_parser_binary_expression, c_parser_cast_expression,
2158         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2159         Call default_function_array_read_conversion instead of
2160         default_function_array_conversion where needed.
2161         (c_parser_unary_expression, c_parser_conditional_expression,
2162         c_parser_postfix_expression_after_primary, c_parser_initelt):
2163         Likewise.  Call mark_exp_read where needed.
2164         (c_parser_statement_after_labels, c_parser_asm_operands,
2165         c_parser_typeof_specifier, c_parser_sizeof_expression,
2166         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2167         where needed.
2168         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2169         New.
2170         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2171         (warn_unused_but_set_parameter): Default to warn_unused
2172         && extra_warnings.
2173         * doc/invoke.texi: Document -Wunused-but-set-variable and
2174         -Wunused-but-set-parameter.
2175
2176         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2177         used count variable.
2178         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2179         when operandN variables aren't used in the body of the expander
2180         or splitter.
2181         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2182         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2183         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2184         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2185         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2186         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2187         * tree.c (PROCESS_ARG): Likewise.
2188
2189 2010-04-07  Simon Baldwin  <simonb@google.com>
2190
2191         * diagnostic.h (diagnostic_override_option_index): New macro to
2192         set a diagnostic's option_index.
2193         * c-tree.h (c_cpp_error): Add warning reason argument.
2194         * opts.c (_warning_as_error_callback): New.
2195         (register_warning_as_error_callback): Store callback for
2196         warnings enabled via enable_warning_as_error.
2197         (enable_warning_as_error): Call callback, minor code tidy.
2198         * opts.h (register_warning_as_error_callback): Declare.
2199         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2200         response to -Werror=.
2201         (c_common_init_options): Register warning_as_error_callback in opts.c.
2202         * common.opt: Add -Wno-cpp option.
2203         * c-common.c (struct reason_option_codes_t): Map cpp warning
2204         reason codes to gcc option indexes.
2205         * (c_option_controlling_cpp_error): New function, lookup the gcc
2206         option index for a cpp warning reason code.
2207         * (c_cpp_error): Add warning reason argument, call
2208         c_option_controlling_cpp_error for diagnostic_override_option_index.
2209         * doc/invoke.texi: Document -Wno-cpp.
2210
2211 2010-04-07  Richard Guenther  <rguenther@suse.de>
2212
2213         * ipa-reference.c (mark_load): Use get_base_address.
2214         (mark_store): Likewise.
2215
2216         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2217         inserting GIMPLE_NOPs into the IL.
2218         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2219         Explicitly strip handled components and indirect references.
2220
2221         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2222         folding address expressions.
2223         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2224         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2225         operand_equal_p to compare decls.
2226         (ptr_deref_may_alias_decl_p): Likewise.
2227         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2228         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2229         Handle reversed comparison ops.
2230         * tree-sra.c (asm_visit_addr): Use get_base_address.
2231         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2232         * ipa-reference.c (mark_address): Use get_base_address.
2233
2234 2010-04-07  Richard Guenther  <rguenther@suse.de>
2235
2236         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2237         Propagate constants everywhere.
2238
2239 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR debug/43516
2242         * tree.c (MAX_INT_CACHED_PREC): Define.
2243         (nonstandard_integer_type_cache): New array.
2244         (build_nonstandard_integer_type): Cache results for precision
2245         <= MAX_INT_CACHED_PREC.
2246
2247 2010-04-07  Richard Guenther  <rguenther@suse.de>
2248
2249         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2250         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2251         * common.opt: Likewise.
2252         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2253         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2254         (nonoverlapping_memrefs_p): Likewise.
2255         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2256         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2257         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2258         OPT_fargument_noalias_global for backward compatibility.
2259
2260 2010-04-07  Richard Guenther  <rguenther@suse.de>
2261
2262         PR tree-optimization/43270
2263         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2264         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2265         * tree-ssa-pre.c (phi_translate_1): Adjust.
2266         (fully_constant_expression): Split out vn_reference handling to ...
2267         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2268         Fold reads from constant strings.
2269         (vn_reference_lookup): Handle fully constant references.
2270         (vn_reference_lookup_pieces): Likewise.
2271         * Makefile.in (expmed.o-warn): Add -Wno-error.
2272
2273 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2274
2275         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2276
2277 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2278
2279         PR driver/41594
2280         * gcc.c: Add -static-libstdc++ to list of recognized options.
2281
2282 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2283
2284         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2285
2286 2010-04-07  Richard Guenther  <rguenther@suse.de>
2287
2288         PR middle-end/42617
2289         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2290         bases build simple mem attributes to retain points-to information.
2291
2292 2010-04-07  Richard Guenther  <rguenther@suse.de>
2293
2294         PR middle-end/42617
2295         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2296         preserve points-to related information.
2297
2298 2010-04-07  Richard Guenther  <rguenther@suse.de>
2299
2300         PR middle-end/42617
2301         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2302         discard plain indirect references.
2303         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2304         * tree.c (tree_nop_conversion): Likewise.
2305
2306 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2307
2308         PR debug/43628
2309         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2310
2311 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2312
2313         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2314         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2315
2316 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * tree-if-conv.c: Fix indentation and comments.
2319
2320 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * tree-if-conv.c: Sort static functions in topological order.
2323
2324 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2325
2326         * tree-if-conv.c: Fix indentation and comments.
2327
2328 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         PR middle-end/43519
2331         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2332         lang_hooks.types.type_for_size instead of
2333         build_nonstandard_integer_type.
2334         When converting an unsigned type to signed, double its precision.
2335         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2336         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2337         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2338         use lb <= ub.
2339
2340 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2341
2342         PR middle-end/43519
2343         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2344         POINTER_PLUS_EXPR for pointer types.
2345
2346 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2347
2348         PR middle-end/43519
2349         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2350         * graphite-clast-to-gimple.c: Include langhooks.h.
2351         (max_signed_precision_type): New.
2352         (max_precision_type): Takes two types as arguments.
2353         (precision_for_value): New.
2354         (precision_for_interval): New.
2355         (gcc_type_for_interval): New.
2356         (gcc_type_for_value): New.
2357         (gcc_type_for_clast_term): New.
2358         (gcc_type_for_clast_red): New.
2359         (gcc_type_for_clast_bin): New.
2360         (gcc_type_for_clast_expr): Split up into several functions.
2361         (gcc_type_for_clast_eq): Rewritten.
2362         (compute_bounds_for_level): New.
2363         (compute_type_for_level_1): New.
2364         (compute_type_for_level): New.
2365         (gcc_type_for_cloog_iv): Removed.
2366         (gcc_type_for_iv_of_clast_loop): Rewritten.
2367         (graphite_create_new_loop): Compute the lower and upper bound types
2368         with gcc_type_for_clast_expr.
2369         (graphite_create_new_loop_guard): Same.
2370         (find_cloog_iv_in_expr): Removed.
2371         (compute_cloog_iv_types_1): Removed.
2372         (compute_cloog_iv_types): Removed.
2373         (gloog): Do not call compute_cloog_iv_types.
2374         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2375         GBB_CLOOG_IV_TYPES.
2376         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2377         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2378         (GBB_CLOOG_IV_TYPES): Removed.
2379
2380 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2381
2382         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2383         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2384         (detect_commutative_reduction): Same.
2385
2386 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2387
2388         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2389         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2390         argument.
2391         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2392         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2393         (rewrite_commutative_reductions_out_of_ssa): Same.
2394         * passes.c (execute_function_todo): Call verify_ssa for every pass
2395         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2396         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2397         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2398         with an extra argument.
2399         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2400         verify_ssa only when the extra argument is true.
2401         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2402         with an extra argument.
2403         (tree_transform_and_unroll_loop): Same.
2404
2405 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2406
2407         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2408         for all the passes of the LNO having LOOP_CLOSED_SSA.
2409         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2410         * tree-loop-distribution.c (pass_loop_distribution): Same.
2411         * tree-pass.h (TODO_verify_loops): Removed.
2412         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2413         (pass_lim): Same.
2414         (pass_tree_unswitch): Same.
2415         (pass_predcom): Same.
2416         (pass_vectorize): Same.
2417         (pass_linear_transform): Same.
2418         (pass_graphite_transforms): Same.
2419         (pass_iv_canon): Same.
2420         (pass_complete_unroll): Same.
2421         (pass_complete_unrolli): Same.
2422         (pass_parallelize_loops): Same.
2423         (pass_loop_prefetch): Same.
2424         (pass_iv_optimize): Same.
2425
2426 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2427
2428         PR middle-end/32824
2429         * passes.c (init_optimization_passes): Move pass_lim before
2430         pass_copy_prop and pass_dce_loop.
2431
2432 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR target/43667
2435         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2436         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2437         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2438         MULTI_* defines for 4 argument vpermil2p* builtins.
2439
2440 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2441
2442         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2443         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2444         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2445         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2446         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2447         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2448         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2449         Use x86_maybe_negate_const_int to output insn mnemonic.
2450         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2451         check from instruction predicate.  Update comments.
2452         * config/i386/sync.md (sync_add<mode>): Use
2453         x86_maybe_negate_const_int to output insn mnemonic.
2454
2455 2010-04-06  Jan Hubicka  <jh@suse.cz>
2456
2457         PR tree-optimization/42906
2458         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2459         IGNORE_SELF argument.  Set visited_control_parents for fully
2460         processed BBs.
2461         (find_obviously_necessary_stmts): Update call of
2462         mark_control_dependent_edges_necessary.
2463         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2464
2465 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2466
2467         * config/i386/i386.md: Remove comment about 'e' and 'E'
2468         operand modifier.
2469
2470 2010-04-06  Richard Guenther  <rguenther@suse.de>
2471
2472         PR tree-optimization/43627
2473         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2474         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2475         not varying.
2476
2477 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2478
2479         * BASE-VER: Change to 4.6.0.
2480
2481         PR target/43638
2482         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2483         handling.
2484
2485 2010-04-06  Richard Guenther  <rguenther@suse.de>
2486
2487         PR middle-end/43661
2488         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2489
2490 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2491
2492         * doc/invoke.texi (Optimize Options): Document that LTO
2493         won't remove object access purely due to incompatible
2494         declarations.
2495
2496 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2497
2498         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2499         Initialize variable.
2500
2501 2010-04-03  Richard Guenther  <rguenther@suse.de>
2502
2503         PR middle-end/42509
2504         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2505         require a non-NULL MEM_OFFSET.
2506
2507 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2508
2509         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2510         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2511         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2512         config/alpha/predicates.md, config/arm/arm.md,
2513         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2514         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2515         config/darwin9.h, config/darwin.c, config/darwin.h,
2516         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2517         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2518         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2519         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2520         config/mips/mips.md, config/mn10300/mn10300.c,
2521         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2522         config/rs6000/aix.h, config/rs6000/dfp.md,
2523         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2524         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2525         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2526         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2527         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2528         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2529         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2530         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2531         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2532         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2533         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2534         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2535         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2536         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2537         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2538         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2539         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2540         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2541         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2542         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2543         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2544         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2545         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2546         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2547         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2548         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2549         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2550         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2551         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2552         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2553         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2554         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2555         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2556         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2557         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2558         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2559
2560 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2561
2562         PR other/43620
2563         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2564         * aclocal.m4: Regenerate.
2565
2566 2010-04-02  Richard Guenther  <rguenther@suse.de>
2567
2568         PR tree-optimization/43629
2569         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2570         if we have seen a constant value.
2571
2572 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2573
2574         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2575
2576 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2577
2578         PR target/43469
2579         * arm.c (legitimize_tls_address): Adjust call to
2580         gen_tls_load_dot_plus_four.
2581         (arm_note_pic_base): New function.
2582         (arm_cannot_copy_insn_p): Use it.
2583         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2584         constraint.
2585
2586 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2587
2588         PR bootstrap/43531
2589
2590         Revert:
2591         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2592
2593         * Makefile.in ($(out_object_file)): Depend on
2594         gt-$(basename $(notdir $(out_file))).h.
2595
2596 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2597
2598         * config.gcc (lm32-*-rtems*): Add t-lm32.
2599
2600 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2601
2602         * config.gcc: Add lm32-*-rtems*.
2603         * config/lm32/rtems.h: New file.
2604
2605 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2606
2607         PR target/42609
2608         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2609
2610 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2611
2612         * dwarf2out.c (output_compilation_unit_header): For
2613         -gdwarf-4 use version 4 instead of version 3.
2614         (output_line_info): For version 4 and above emit additional
2615         maximum ops per insn header field.
2616         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2617
2618         * dwarf2out.c (is_c_family, is_java): Remove.
2619         (lower_bound_default): New function.
2620         (add_bound_info, gen_descr_array_type_die): Use it.
2621
2622 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2623
2624         PR debug/43325
2625         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2626         re-declaration when it happens in a function.
2627
2628 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2629
2630         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2631         (cgraph_remove_function_insertion_hook): Same.
2632         (cgraph_call_function_insertion_hooks): Same.
2633
2634 2010-04-01  Richard Guenther  <rguenther@suse.de>
2635
2636         PR middle-end/43614
2637         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2638         and TREE_THIS_VOLATILE.
2639         (copy_ref_info): Likewise.
2640         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2641         * tree.c (build6_stat): Ignore side-effects of all but arg5
2642         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2643         TARGET_MEM_REF.
2644
2645 2010-04-01  Richard Guenther  <rguenther@suse.de>
2646
2647         PR tree-optimization/43607
2648         * ipa-type-escape.c (check_call): Do not access non-existing
2649         arguments.
2650
2651 2010-04-01  Richard Guenther  <rguenther@suse.de>
2652
2653         PR middle-end/43602
2654         Revert
2655         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2656                     Jack Howarth <howarth@bromo.med.uc.edu>
2657
2658         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2659         variables TLS.
2660
2661 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2662
2663         * doc/install.texi (Prerequisites): Document libelf usability on
2664         IRIX 5/6 and Solaris 2.
2665         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2666         Update GNU as, GNU ld requirements.
2667         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2668         Document Sun Studio compiler download.
2669         Update and simplify as, ld recommendations.
2670         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2671
2672 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2673
2674         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2675         with_tune_32 to pentium4.
2676
2677 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2678
2679         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2680
2681 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2682
2683         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2684         obsoletion, removal.
2685         Update IDO URL.
2686         Document GNU as requirement.
2687         Update configure requirements.
2688         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2689         Recomment IRIX 6.5.18+.
2690         Document IDF/IDL requirement.
2691         Document GNU as requirement.
2692         Document GNU ld bootstrap failure.
2693         Remove freeware.sgi.com reference.
2694
2695 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2696
2697         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2698         UNIX V4.0, V5.0 obsoletion, removal.
2699         Remove --with-gc=simple reference.
2700         Update VM requirements during bootstrap.
2701         Remove -oldas bootstrap description.
2702         Update binutils reference.
2703         Remove comparison failure note.
2704
2705 2010-03-31  Richard Guenther  <rguenther@suse.de>
2706             Zdenek Dvorak  <ook@ucw.cz>
2707             Sebastian Pop  <sebastian.pop@amd.com>
2708
2709         PR middle-end/43464
2710         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2711         with multiple arguments.
2712         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2713
2714 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2715
2716         * graphite-dependences.c (print_pddr): Call print_pdr with an
2717         extra argument.
2718         * graphite-poly.c (debug_pdr): Add an extra argument for the
2719         verbosity level.
2720         (print_pdr): Same.
2721         (print_pbb_domain): Same.
2722         (print_pbb): Same.
2723         (print_scop_context): Same.
2724         (print_scop): Same.
2725         (print_cloog): Same.
2726         (debug_pbb_domain): Same.
2727         (debug_pbb): Same.
2728         (print_pdrs): Same.
2729         (debug_pdrs): Same.
2730         (debug_scop_context): Same.
2731         (debug_scop): Same.
2732         (debug_cloog): Same.
2733         (print_scop_params): Same.
2734         (debug_scop_params): Same.
2735         (print_iteration_domain): Same.
2736         (print_iteration_domains): Same.
2737         (debug_iteration_domain): Same.
2738         (debug_iteration_domains): Same.
2739         (print_scattering_function): Same.
2740         (print_scattering_functions): Same.
2741         (debug_scattering_function): Same.
2742         (debug_scattering_functions): Same.
2743         * graphite-poly.h (debug_pdr): Update declaration.
2744         (print_pdr): Same.
2745         (print_pbb_domain): Same.
2746         (print_pbb): Same.
2747         (print_scop_context): Same.
2748         (print_scop): Same.
2749         (print_cloog): Same.
2750         (debug_pbb_domain): Same.
2751         (debug_pbb): Same.
2752         (print_pdrs): Same.
2753         (debug_pdrs): Same.
2754         (debug_scop_context): Same.
2755         (debug_scop): Same.
2756         (debug_cloog): Same.
2757         (print_scop_params): Same.
2758         (debug_scop_params): Same.
2759         (print_iteration_domain): Same.
2760         (print_iteration_domains): Same.
2761         (debug_iteration_domain): Same.
2762         (debug_iteration_domains): Same.
2763         (print_scattering_function): Same.
2764         (print_scattering_functions): Same.
2765         (debug_scattering_function): Same.
2766         (debug_scattering_functions): Same.
2767
2768 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2769
2770         * graphite-poly.c (print_scattering_function_1): New.
2771         (print_scattering_function): Call it.
2772         (print_scop_params): Remove spaces at the end of lines.
2773         (print_cloog): New.
2774         (debug_cloog): New.
2775         * graphite-poly.h (print_cloog): Declared.
2776         (debug_cloog): Declared.
2777
2778 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2779
2780         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2781         in loop->header.
2782         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2783         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2784         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2785         to switch between adding the IV bump in loop->latch or in loop->header.
2786
2787 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2788
2789         * graphite-poly.c (print_scattering_function): Pretty print following
2790         the scoplib format.
2791         (print_pdr): Same.
2792         (print_pbb_domain): Same.
2793         (dump_gbb_cases): Same.
2794         (dump_gbb_conditions): Same.
2795         (print_pdrs): Same.
2796         (print_pbb): Same.
2797         (print_scop_params): Same.
2798         (print_scop_context): Same.
2799         (print_scop): Same.
2800         (print_pbb_body): New.
2801         (lst_indent_to): New.
2802         (print_lst): Start new lines with a #.
2803         * graphite-poly.h (pbb_bb): New.
2804         (pbb_index): Use pbb_bb.
2805         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2806         disjuncts.
2807         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2808
2809 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2810
2811         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2812         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2813         and 0 instead of 1 for dw_val_class_flag.
2814         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2815         dw_val_class_range_list, dw_val_class_loc_list,
2816         dw_val_class_lineptr and dw_val_class_macptr, use
2817         DW_FORM_flag_present for dw_val_class_flag and
2818         DW_FORM_exprloc for dw_val_class_loc.
2819         (output_die): For -gdwarf-4 print dw_val_class_loc
2820         size as uleb128 instead of 1 or 2 bytes and don't print
2821         anything for dw_val_class_flag.
2822
2823         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2824         instead of cselib_lookup following by tweaking locs->setting_insn.
2825
2826         PR bootstrap/43596
2827         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2828         even before returning from label, setjmp call or volatile asm
2829         handling.
2830
2831 2010-03-31  Richard Guenther  <rguenther@suse.de>
2832
2833         PR middle-end/43600
2834         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2835         temporary data on stack.
2836
2837 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2838
2839         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2840         (PUSHSECTION_ASM_OP): Remove.
2841         (POPSECTION_ASM_OP): Remove.
2842         (PUSHSECTION_FORMAT): Remove.
2843         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2844         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2845         * config/sol2.c (solaris_output_init_fini): Use it.
2846
2847 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2848
2849         PR 43574
2850         * opt-functions.awk (var_type_struct): Use signed char type
2851         for simple variables.
2852
2853 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2854
2855         * config/sol2.c: Include output.h.
2856         (solaris_assemble_visibility): New function.
2857         * config/t-sol2 (sol2.o): Add output.h dependency.
2858         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2859         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2860         Redefine.
2861
2862 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2863
2864         PR target/43580
2865         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2866         V2SImode or XFmode on PRE_DEC.
2867
2868         PR debug/43557
2869         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2870         BLKmode.
2871
2872 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2873
2874         PR 43562
2875         * reload.h (caller_save_initialized_p): Declare.
2876         * toplev.c (backend_init_target): Don't call
2877         init_caller_save but set caller_save_initialized_p to false.
2878         * caller-save.c (caller_save_initialized_p): Define.
2879         (init_caller_save): Check caller_save_initialized_p.
2880         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2881
2882 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2883
2884         PR target/39048
2885         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2886         and soft-fp/t-softfp to tmake_file.
2887         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2888         (LIBGCC2_TF_CEXT): Define.
2889         (TF_SIZE): Define.
2890
2891 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2892
2893         PR debug/42977
2894         * cselib.c (n_useless_values): Document handling of debug locs.
2895         (n_useless_debug_values, n_debug_values): New variables.
2896         (new_elt_loc_list): Don't add to debug values, keep count.
2897         (promote_debug_loc): New.
2898         (cselib_reset_table): Zero new variables.
2899         (entry_and_rtx_equal_p): Promote debug locs.
2900         (discard_useless_locs): Increment n_useless_debug_values for
2901         debug values.
2902         (remove_useless_values): Adjust n_useless_values and n_debug_values
2903         with n_useless_debug_values.
2904         (add_mem_for_addr): Promote debug locs.
2905         (cselib_lookup_mem): Likewise.
2906         (cselib_lookup_addr): Renamed to...
2907         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2908         (cselib_log_lookup): ... this.  Turn into...
2909         (cselib_lookup_addr): ... new wrapper.
2910         (cselib_lookup_from_insn): New.
2911         (cselib_invalidate_regno): Increment n_useless_debug_values for
2912         debug values.
2913         (cselib_invalidate_mem): Likewise.
2914         (cselib_process_insn): Take n_deleted and n_debug_values into
2915         account to guard remove_useless_value call.
2916         (cselib_finish): Zero n_useless_debug_values.
2917         * cselib.h (cselib_lookup_from_insn): Declare.
2918         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2919         (sched_analyze_2): Likewise.
2920
2921 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2922
2923         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2924         functions.
2925         (adjust_mems): Replace narrowing SUBREG of expression containing
2926         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2927         with operations in the narrower mode.
2928
2929         PR debug/43593
2930         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2931         regs_invalidated_by_call instead all call_used_reg_set registers.
2932
2933 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         PR middle-end/43430
2936         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2937         pointer comparisons with types_compatible_p.
2938         * tree-vect-stmts.c (vectorizable_call): Same.
2939         (vectorizable_condition): Same.
2940
2941 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2942
2943         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2944         stack check if the mask would be zero.
2945
2946 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2947             Jack Howarth <howarth@bromo.med.uc.edu>
2948
2949         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2950         variables TLS.
2951
2952 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2953
2954         PR other/25232
2955         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2956         and __unordtf2.
2957         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2958         Include ___unordxf2 and ___unordtf2.
2959         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2960         GCC_4.4.0 here.
2961
2962 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2963
2964         * config/lm32/t-lm32: New file.
2965         * config.gcc: Use the above file when targetting lm32.
2966
2967 2010-03-28  Duncan Sands  <baldrick@free.fr>
2968
2969         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2970
2971 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         PR middle-end/43431
2974         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2975         Improve vectorization cost model diagnostic.
2976
2977 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         PR middle-end/43436
2980         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2981         compute_data_dependences_for_loop returns false, early exit
2982         and output an extra diagnostic for the failed data reference
2983         analysis.
2984
2985 2010-03-29  Richard Guenther  <rguenther@suse.de>
2986
2987         PR tree-optimization/43560
2988         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2989         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2990
2991 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2992
2993         PR 43564
2994         * toplev.c (process_options): Set optimization_default_node
2995         and optimization_current_node.
2996         * opts.c (decode_options): Don't set optimization_default_node
2997         and optimization_current_node.
2998
2999 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3000
3001         * config/rtems.h: Abandon -qrtems_debug.
3002
3003 2010-03-28  Jan Hubicka  <jh@suse.cz>
3004
3005         PR tree-optimization/43505
3006         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3007         map should not be copied.
3008
3009 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3010
3011         PR middle-end/41674
3012         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3013         cdtors, set DECL_PRESERVE_P.
3014         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3015         should be preseved.
3016
3017 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3018
3019         PR tree-optimization/43528
3020         * stor-layout.c (place_field): Check that constant fits into
3021         unsigned HWI when skipping calculation of MS bitfield layout.
3022
3023 2010-03-27  Jan Hubicka  <jh@suse.cz>
3024
3025         PR middle-end/43391
3026         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3027         notice_global_symbol work.
3028
3029 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3030
3031         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3032         instead of dwarf2out_decl.
3033         (struct var_loc_node): Remove section_label field.
3034         (dwarf2out_function_decl): New function.
3035         (dwarf2out_var_location): Don't set section_label field.
3036         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3037
3038 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3039
3040         PR tree-optimization/43544
3041         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3042         First argument for builtin vectorized function hook is now a
3043         tree to be able to distinguish between machine specific and
3044         standard builtins.
3045         * targhooks.c (default_builtin_vectorized_function): Ditto.
3046         * targhooks.h (default_builtin_vectorized_function): Ditto.
3047         * target.h (struct gcc_target): Ditto.
3048         * tree-vect-stmts.c (vectorizable_function): Ditto.
3049         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3050         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3051         Ditto.
3052
3053 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3054
3055         PR c/43381
3056         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3057         nested binding iff it is a FUNCTION_DECL.
3058         (store_parm_decls_newstyle): Pass nested=true to bind for
3059         FUNCTION_DECLs amongst parameters.
3060
3061 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3062
3063         * var-tracking.c (vt_expand_loc_callback): Don't run
3064         cselib_expand_value_rtx_cb in dummy mode if
3065         cselib_dummy_expand_value_rtx_cb returned false.
3066
3067         * var-tracking.c (emit_note_insn_var_location): For one part
3068         notes with offset 0, don't add EXPR_LIST around the location.
3069         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3070         add_location_or_const_value_attribute): Adjust for that change.
3071
3072         PR debug/43540
3073         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3074         into first operand and location into second.
3075         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3076         dw_cfi_oprnd_loc for DW_CFA_expression.
3077         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3078         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3079         assume first argument is regnum and second argument is location.
3080
3081 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3082
3083         PR target/42113
3084         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3085         of scratch register to DImode.  Split to DImode comparison operator.
3086         Use SImode subreg of scratch register in the multiplication.
3087         (*cmp_sadd_sidi): Ditto.
3088         (*cmp_ssub_si): Ditto.
3089         (*cmp_ssub_sidi): Ditto.
3090
3091 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3092
3093         PR target/43524
3094         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3095         Remove invalid assert and wrong comment.
3096
3097 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3098
3099         PR debug/43516
3100         * flags.h (final_insns_dump_p): New extern.
3101         * final.c (final_insns_dump_p): New variable.
3102         (rest_of_clean_state): Set it before -fdump-final-insns=
3103         dumping, clear afterwards.
3104         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3105         MEM_ALIAS_SET on MEMs.
3106
3107 2010-03-26  David S. Miller  <davem@davemloft.net>
3108
3109         * configure.ac: Fix sparc GOTDATA_OP bug check.
3110         * configure: Rebuild.
3111
3112 2010-03-26  Alan Modra  <amodra@gmail.com>
3113
3114         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3115
3116 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3117
3118         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3119         TLS_SECTION_ASM_FLAG.
3120
3121 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR bootstrap/43511
3124         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3125         Clear first_function_block_is_cold.
3126
3127         PR c/43385
3128         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3129         argument if the argument is truth_value_p.
3130
3131 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3132
3133         * config/rs6000/constraints.md: Update copyright year for my changes.
3134
3135         PR target/43484
3136         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3137         used in reg+reg addressing, swap registers.
3138
3139 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3140
3141         PR debug/43293
3142         * target.h (struct gcc_target): Add code_end hook.
3143         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3144         if not yet defined.
3145         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3146         * toplev.c (compile_file): Call targetm.asm_out.code_end
3147         hook before unwind info/debug info output.
3148         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3149         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3150         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3151         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3152         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3153         * config/i386/i386.c (ix86_file_end): Renamed to...
3154         (ix86_code_end): ... this.  Make static.  Don't call
3155         file_end_indicate_exec_stack.  Emit unwind info using
3156         final_start_function/final_end_function.
3157         (darwin_x86_file_end): Remove.
3158         (TARGET_ASM_CODE_END): Define.
3159         * config/i386/i386.h (TARGET_ASM_FILE_END,
3160         NEED_INDICATE_EXEC_STACK): Don't define.
3161         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3162         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3163         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3164         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3165
3166         PR target/43498
3167         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3168         at the beginning and final_end_function at the end.
3169         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3170
3171 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3172
3173         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3174         and Sun as TLS syntax.
3175         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3176         * configure: Regenerate.
3177         * config.in: Regenerate.
3178         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3179         (default_elf_asm_named_section): Use it.
3180         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3181         (i386_output_dwarf_dtprel): Likewise.
3182         (output_addr_const_extra): Likewise.
3183         (output_pic_addr_const): Lowercase @GOTTPOFF.
3184         (output_addr_const_extra): Likewise.
3185         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3186         (output_addr_const_extra): Likewise.
3187         (output_pic_addr_const): Lowercase @INDNTPOFF.
3188         (output_addr_const_extra): Likewise.
3189         (output_pic_addr_const): Lowercase @NTPOFF.
3190         (output_addr_const_extra): Likewise.
3191         (output_pic_addr_const): Lowercase @TPOFF.
3192         (output_addr_const_extra): Likewise.
3193         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3194         (*tls_global_dynamic_64): Likewise.
3195         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3196         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3197
3198         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3199         (ASM_OUTPUT_TLS_COMMON): Use it.
3200         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3201
3202         PR target/38118
3203         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3204         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3205         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3206         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3207         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3208         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3209
3210 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3211
3212         * config/i386/i386.c (override_options): Don't accept
3213         -mtls-dialect=sun any longer.
3214         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3215         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3216         (*tls_local_dynamic_base_32_sun): Likewise.
3217         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3218
3219 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3220
3221         PR debug/43508
3222         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3223         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3224
3225         PR debug/43479
3226         * ira.c (adjust_cleared_regs): New function.
3227         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3228
3229         PR debug/19192
3230         PR debug/43479
3231         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3232         from gimple_block.
3233         * expr.c (expand_expr_real): Restore previous
3234         curr_insn_source_location and curr_insn_block after
3235         expand_expr_real_1 call.
3236         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3237         instead of expand_expr_real_1.
3238
3239 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3240
3241         PR rtl-optimization/43413
3242         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3243         hard regs too.
3244
3245 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3246
3247         PR target/43348
3248         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3249         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3250
3251 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3252
3253         * config/i386/i386.c (ix86_target_string): Add -mfma.
3254         Fix a typo in comment.
3255
3256 2010-03-22  Mike Stump  <mikestump@comcast.net>
3257
3258         PR target/23071
3259         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3260         Don't overly align based upon packed packed fields.
3261
3262 2010-03-22  Jason Merrill  <jason@redhat.com>
3263
3264         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3265         Use () rather than [], and move before the element type.
3266
3267 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3268
3269         * doc/configfiles.texi (Configuration Files): Removed
3270         fixinc/Makefile*, intl/Makefile.*.
3271         * doc/makefile.texi: Fixed markup. Abstract from version
3272         control system used.
3273         (Makefile): Removed obsolete gcc/java/parse.y example.
3274         * doc/sourcebuild.texi: Likewise.
3275         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3276         libgomp, libssp.  Removed fastjar.
3277         (Miscellaneous Docs): Clarify location.
3278         Added COPYING3, COPYING3.LIB.
3279         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3280
3281 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3282
3283         PR target/38085
3284         * config/i386/i386.c (x86_function_profiler)
3285         [!NO_PROFILE_COUNTERS]: Fix typo.
3286         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3287         instead of callq.
3288
3289 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3290             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3291
3292         * doc/sourcebuild.texi (Test Directives): Split into six
3293         subsections, with most of the current text in new subsections
3294         Directives, Selectors, and Final Actions.
3295         (Directives): Split list of test directives into multiple
3296         subsubsections.
3297         (Selectors): Describe use and syntax of selectors.
3298         (Effective-Target Keywords): Describe all existing keywords.
3299         (Add Options): Describe features for dg-add-options.
3300         (Require Support): Describe variants of dg-require-support.
3301         (Final Actions): Describe commands to use in dg-final.
3302
3303 2010-03-22  Michael Matz  <matz@suse.de>
3304
3305         PR middle-end/43475
3306         * recog.c (validate_replace_rtx_group): Replace also in
3307         REG_EQUAL and REG_EQUIV notes.
3308
3309 2010-03-22  Richard Guenther  <rguenther@suse.de>
3310
3311         PR tree-optimization/43390
3312         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3313         sure vector extracts are type correct.
3314
3315 2010-03-22  Richard Guenther  <rguenther@suse.de>
3316
3317         PR middle-end/40106
3318         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3319         x * sqrt (x) even when optimizing for size if the target
3320         has native support for sqrt.
3321
3322 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3323
3324         * varasm.c (make_decl_rtl_for_debug): Also clear
3325         flag_mudflap for the duration of make_decl_rtl call.
3326
3327         PR debug/43443
3328         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3329         locs from preserved VALUEs.
3330
3331 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3332
3333         PR middle-end/42718
3334         * pa.md (movmemsi): Set align to one if zero.
3335         (movmemdi): Likewise.
3336
3337 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3338
3339         PR target/42321
3340         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3341         with their corresponding prologue pushes.
3342
3343 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3344
3345         PR target/43156
3346         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3347         at the begining or end.
3348         (spu_expand_epilogue): Likewise.
3349
3350 2010-03-20  Richard Guenther  <rguenther@suse.de>
3351
3352         PR rtl-optimization/43438
3353         * combine.c (make_extraction): Properly zero-/sign-extend an
3354         extraction of the low part of a CONST_INT.  Also handle
3355         CONST_DOUBLE.
3356
3357 2010-03-19  Mike Stump  <mikestump@comcast.net>
3358
3359         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3360         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3361         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3362
3363 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3364
3365         PR c/43211
3366         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3367         an error.
3368
3369 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3370
3371         PR rtl-optimization/42258
3372         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3373         use that may match DEF.
3374
3375         PR target/40697
3376         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3377         the cost of loading the constant rather than assuming
3378         COSTS_N_INSNS (1).
3379         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3380         outer code is AND, do the same tests as the andsi3 expander and
3381         return COSTS_N_INSNS (1) if and is cheap.
3382
3383         * optabs.c (avoid_expensive_constant): Fix formatting.
3384
3385 2010-03-19  Michael Matz  <matz@suse.de>
3386
3387         PR c++/43116
3388         * attribs.c (decl_attributes): When rebuilding a function pointer
3389         type use the same qualifiers as the original pointer type.
3390
3391 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3392
3393         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3394         and is_gimple_ip_invariant_address.
3395
3396 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3397
3398         Revert
3399         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3400
3401         * config/arm/arm.c (arm_override_options): Turn off
3402         flag_dwarf2_cfi_asm for AAPCS variants.
3403
3404 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3405
3406         PR target/43399
3407         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3408         Use PRE_MODIFY instead of PRE_DEC.
3409         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3410         (vfp_emit_fstmd): Likewise.
3411
3412 2010-03-19  Michael Matz  <matz@suse.de>
3413
3414         PR target/43305
3415         * builtins.c (expand_builtin_interclass_mathfn,
3416         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3417         if that fails.
3418
3419 2010-03-19  Richard Guenther  <rguenther@suse.de>
3420
3421         PR tree-optimization/43415
3422         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3423         (phi_translate_1): ... this.
3424         (phi_translate): Move all caching here.  Cache all NARY
3425         and REFERENCE translations.
3426
3427 2010-03-19  David S. Miller  <davem@davemloft.net>
3428
3429         With help from Eric Botcazou.
3430         * config/sparc/sparc.c: Include dwarf2out.h.
3431         (emit_pic_helper): Delete.
3432         (pic_helper_symbol_name): Delete.
3433         (pic_helper_emitted_p): Delete.
3434         (pic_helper_needed): New.
3435         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3436         (get_pc_thunk_name): New.
3437         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3438         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3439         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3440         (sparc_expand_prologue): Update load_pic_register call.
3441         (sparc_output_mi_thunk): Likewise.
3442         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3443         thunk if possible.  Output CFI information as needed.
3444
3445 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3446             Jack Howarth <howarth@bromo.med.uc.edu>
3447
3448         PR target/36399
3449         * config/i386/i386.h: Fix ABI on darwin x86-32.
3450
3451 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3452
3453         * tree.h: Declare make_decl_rtl_for_debug.
3454         * varasm.c (make_decl_rtl_for_debug): New.
3455         * dwarf2out.c (rtl_for_decl_location): Call it.
3456         * cfgexpand.c (expand_debug_expr): Call it.
3457
3458 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3459
3460         PR bootstrap/43399
3461         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3462         mem_mode.
3463
3464         PR bootstrap/43403
3465         * var-tracking.c (vt_init_cfa_base): Do nothing if
3466         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3467
3468 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3469
3470         PR debug/42873
3471         * var-tracking.c (canonicalize_vars_star): New.
3472         (dataflow_post_merge_adjust): Use it.
3473
3474 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3475
3476         PR debug/43058
3477         * var-tracking.c (non_suitable_const): New function.
3478         (add_uses): For DEBUG_INSNs with constants, don't record any
3479         value, instead just the constant value itself.
3480         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3481         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3482         (emit_notes_in_bb): Likewise.
3483         (emit_note_insn_var_location): For onepart variables if
3484         cur_loc is a VOIDmode constant, use DECL_MODE.
3485
3486 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3487
3488         PR middle-end/42450
3489         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3490         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3491         all non-clones.  Moved call redirection...
3492         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3493         (cgraph_materialize_all_clones): Dispose of all
3494         combined_args_to_skip bitmaps.
3495         (verify_cgraph_node): Do not check for edges pointing to wrong
3496         nodes in inline clones.
3497         * tree-inline.c (copy_bb): Call
3498         cgraph_redirect_edge_call_stmt_to_callee.
3499         * ipa.c (cgraph_remove_unreachable_nodes): Call
3500         cgraph_node_remove_callees even when there are used clones.
3501
3502 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3503
3504         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3505
3506 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3507
3508         PR target/43383
3509         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3510         for 32bit.
3511
3512 2010-03-18  Michael Matz  <matz@suse.de>
3513
3514         PR middle-end/43419
3515         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3516         into sqrt(x) if we need to preserve signed zeros.
3517
3518 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3519             Eric Botcazou  <ebotcazou@adacore.com>
3520
3521         PR rtl-optimization/43360
3522         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3523         note if we don't know its invariant status.
3524
3525 2010-03-18  Michael Matz  <matz@suse.de>
3526
3527         PR tree-optimization/43402
3528         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3529         PHI chains of ssa names registered for update.
3530
3531 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3532
3533         PR target/42427
3534         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3535         non-offsettable and pre_modify update addressing.
3536         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3537         and "2" alternatives "#".
3538         (*movdd_softfloat32): Make all alternatives "#";
3539         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3540         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3541         (*movdf_softfloat32): Make all alternatives "#";
3542         (movdi): Use the new DIFD mode iterator to create a common splitter
3543         for movdi, movdf and movdd patterns.
3544
3545 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3546
3547         * common.opt (dumpdir): Remove redundant tab.
3548
3549 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3550
3551         PR tree-optimization/43347
3552         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3553         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3554
3555 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3556
3557         PR rtl-optimization/42216
3558         * regrename.c (create_new_chain): New function, broken out from...
3559         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3560         appending a use to an empty chain.
3561         (build_def_use): Remove previous changes that convert OP_INOUT to
3562         OP_OUT operands; instead detect the case where an OP_INOUT operand
3563         uses a previously untracked register and create an empty chain for it.
3564
3565 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3566
3567         * doc/extend.texi (Function Attributes): Rewrite unfinished
3568         sentence in ms_abi documentation.
3569
3570 2010-03-17  Alan Modra  <amodra@gmail.com>
3571
3572         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3573         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3574         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3575         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3576
3577 2010-03-16  Richard Henderson  <rth@redhat.com>
3578
3579         PR middle-end/43365
3580         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3581         (lower_try_finally): Save and restore eh_seq around the expansion
3582         of the try-finally.
3583
3584 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3585
3586         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3587         statements before splitting block.
3588
3589 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3590
3591         * doc/sourcebuild.texi (Testsuites): Fix markup.
3592         Use pathnames relative to gcc/testsuite.
3593         (Test Directives): Move description of how timeout is determined.
3594         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3595         (C Tests): Correct gcc.misc-tests directory.
3596         Framework tests now live in gcc.test-framework.
3597
3598 2010-03-16  Richard Guenther  <rguenther@suse.de>
3599
3600         PR middle-end/43379
3601         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3602         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3603
3604 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3605             Alexandre Oliva  <aoliva@redhat.com>
3606
3607         PR tree-optimization/42917
3608         * lambda-code.c (remove_iv): Skip debug statements.
3609         (lambda_loopnest_to_gcc_loopnest): Likewise.
3610         (not_interesting_stmt): Debug statements are not interesting.
3611
3612 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3613
3614         PR debug/43051
3615         PR debug/43092
3616         * cselib.c (cselib_preserve_constants,
3617         cfa_base_preserved_val): New static variables.
3618         (preserve_only_constants): New function.
3619         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3620         clear its REG_VALUES.  If cselib_preserve_constants, don't
3621         empty the whole hash table, but preserve there VALUEs with constants,
3622         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3623         (cselib_preserve_cfa_base_value): New function.
3624         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3625         (cselib_init): Change argument to int bitfield.  Set
3626         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3627         is in it.
3628         (cselib_finish): Clear cselib_preserve_constants and
3629         cfa_base_preserved_val.
3630         * cselib.h (enum cselib_record_what): New enum.
3631         (cselib_init): Change argument to int.
3632         (cselib_preserve_cfa_base_value): New prototype.
3633         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3634         * dse.c (dse_step1): Likewise.
3635         * cfgcleanup.c (thread_jump): Likewise.
3636         * sched-deps.c (sched_analyze): Likewise.
3637         * gcse.c (local_cprop_pass): Likewise.
3638         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3639         If FN is non-NULL, call the callback always and whenever it returns
3640         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3641         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3642         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3643         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3644         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3645         * var-tracking.c: Include recog.h.
3646         (bb_stack_adjust_offset): Remove.
3647         (vt_stack_adjustments): Don't call it, instead just gather the
3648         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3649         (adjust_stack_reference): Remove.
3650         (compute_cfa_pointer): New function.
3651         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3652         (struct adjust_mem_data): New type.
3653         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3654         functions.
3655         (get_address_mode): New function.
3656         (replace_expr_with_values): Use it.
3657         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3658         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3659         (adjust_sets): Remove.
3660         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3661         Use get_address_mode.
3662         (get_adjusted_src): Remove.
3663         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3664         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3665         (add_with_sets): Don't call adjust_sets.
3666         (fp_setter, vt_init_cfa_base): New functions.
3667         (vt_initialize): Change return type to bool.  Move most of pool etc.
3668         initialization to the beginning of the function from end.  Pass
3669         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3670         If !frame_pointer_needed, call vt_stack_adjustment before mos
3671         vector is filled, call vt_init_cfa_base if argp/framep has been
3672         eliminated to sp.  If frame_pointer_needed and argp/framep has
3673         been eliminated to hard frame pointer, set
3674         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3675         encountering fp setter in the prologue.  For MO_ADJUST, call
3676         log_op_type before pusing the op into mos vector, not afterwards.
3677         Call adjust_insn before cselib_process_insn/add_with_sets,
3678         call cancel_changes (0) afterwards.
3679         (variable_tracking_main_1): Adjust for vt_initialize calling
3680         vt_stack_adjustments and returning whether it succeeded or not.
3681
3682 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3683
3684         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3685         debug statements.
3686
3687 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3688
3689         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3690         has been set.
3691         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3692         drap_reg has not been set.
3693
3694 2010-03-15  Michael Matz  <matz@suse.de>
3695
3696         PR middle-end/43300
3697         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3698         use it to expand block copies.
3699         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3700         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3701         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3702
3703 2010-03-15  Richard Guenther  <rguenther@suse.de>
3704
3705         PR tree-optimization/43367
3706         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3707         elimination check.
3708
3709 2010-03-15  Richard Guenther  <rguenther@suse.de>
3710
3711         PR tree-optimization/43317
3712         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3713
3714 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3715
3716         PR tree-optimization/43141
3717         * tree-sra.c (create_abstract_origin): New function.
3718         (modify_function): Call create_abstract_origin.
3719
3720 2010-03-15  Chris Demetriou  <cgd@google.com>
3721
3722         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3723         wasn't copied.
3724
3725 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3726
3727         PR middle-end/43354
3728         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3729         call insert_out_of_ssa_copy for default definitions.
3730
3731 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3732
3733         * graphite-clast-to-gimple.c (my_long_long): Defined.
3734         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3735         * graphite-sese-to-poly.c (my_long_long): Defined.
3736         (scop_ivs_can_be_represented): Use it.
3737
3738 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3739
3740         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3741         graphite-max-bbs-per-function, and loop-block-tile-size.
3742         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3743         with "maximum".
3744         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3745
3746 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3747
3748         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3749         forward declaration.
3750         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3751         (add_upper_bounds_from_estimated_nit): New.
3752         (build_loop_iteration_domains): Use it.
3753
3754 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3755
3756         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3757
3758 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         PR middle-end/43306
3761         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3762         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3763
3764 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3765
3766         * graphite.c (graphite_initialize): To bound the number of bbs per
3767         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3768         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3769         * doc/invoke.texi: Document it.
3770
3771 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3774         * graphite-sese-to-poly.h (build_poly_scop): Same.
3775
3776 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3777
3778         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3779         the number of parameters in the scop.  Use as an upper bound
3780         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3781         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3782         * doc/invoke.texi: Document it.
3783
3784 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3785
3786         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3787         * doc/c-tree.texi: Remove.
3788         * doc/generic.texi: Merge c-tree.texi here.
3789         * doc/gccint.texi (Trees): Remove menu entry.
3790         (c-tree.texi): Remove @include.
3791         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3792         * doc/languages.texi (Reading RTL): Ditto.
3793
3794 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3795
3796         PR target/42869
3797         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3798
3799 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3800
3801         PR middle-end/42431
3802         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3803         code added to work around reload clobbering CONST insns.
3804
3805 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3806
3807         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3808         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3809         (cselib_preserve_only_values): Remove retain argument, don't
3810         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3811         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3812         * var-tracking.c (micro_operation): Move insn field before union.
3813         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3814         (struct variable_tracking_info_def): Remove n_mos field, change
3815         mos into a vector of micro_operations.
3816         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3817         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3818         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3819         changing into a vector.
3820         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3821         come before all other uops generated by add_stores.
3822         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3823         argument removal.
3824         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3825         a vector.  Run just one pass over the bbs instead of separate counting
3826         and computation phase.
3827         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3828
3829         PR debug/43329
3830         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3831         into *nonlocalized_list vector.
3832         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3833         even if origin is non-NULL.
3834         (gen_variable_die): Likewise.
3835         (process_scope_var): Don't change origin.
3836         (gen_decl_die): Likewise.
3837         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3838         before adding new edges instead of after it, fix moving over
3839         debug stmts.
3840
3841 2010-03-11  David S. Miller  <davem@davemloft.net>
3842
3843         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3844         of four.
3845         * configure: Rebuild.
3846
3847 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3848
3849         PR tree-optimization/43257
3850         * tree.c (assign_assembler_name_if_neeeded): New function.
3851         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3852         above new function.
3853         * tree.h (assign_assembler_name_if_neeeded): Declare.
3854         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3855         the function if needed.
3856
3857 2010-03-11  Chris Demetriou  <cgd@google.com>
3858
3859         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3860         include/stdint-gcc.h, and include/stdint.h world-readable.
3861
3862 2010-03-11  Richard Guenther  <rguenther@suse.de>
3863
3864         PR tree-optimization/43255
3865         * tree-vrp.c (process_assert_insertions_for): Do not insert
3866         asserts for trivial conditions.
3867
3868 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3869
3870         PR tree-optimization/43280
3871         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3872         generation.  Move calculation of size out of the if branch.
3873         (find_bswap): Modify compare number generation.
3874
3875 2010-03-11  Richard Guenther  <rguenther@suse.de>
3876
3877         PR lto/43200
3878         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3879         (input_gimple_stmt): Fixup handled component types during
3880         operand read.  Also fix up decls in ADDR_EXPRs.
3881
3882 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3883
3884         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3885         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3886
3887 2010-03-10  Jan Hubicka  <jh@suse.cz>
3888
3889         PR c/43288
3890         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3891         * varasm.c (get_variable_section): Don't do that here...
3892         (make_decl_rtl): ... and here.
3893         (do_assemble_alias): Produce decl RTL.
3894         (assemble_alias): Likewise.
3895
3896 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3897
3898         PR debug/43290
3899         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3900         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3901         of fde->vdrap_reg.
3902         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3903         (based_loc_descr): Only express drap or vdrap regno based expressions
3904         using DW_OP_fbreg when not optimizing.
3905         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3906         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3907         REG_CFA_SET_VDRAP note.
3908
3909 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3910
3911         PR tree-optimization/43236
3912         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3913         error in calculation of base address in reverse iteration case.
3914         (generate_builtin): Take number of latch executions if the statement
3915         is in the latch.
3916
3917 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3918
3919         PR middle-end/42859
3920         * tree-eh.c: Include pointer-set.h.
3921         (lower_eh_dispatch): Filter out duplicate case labels and
3922         remove the unneeded edge when the label is unused.  Return
3923         true when some edges are removed.
3924         (execute_lower_eh_dispatch): When any lowering resulted in
3925         removing an edge, also delete unreachable blocks.
3926
3927 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3928
3929         PR bootstrap/43287
3930         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3931         UNSPEC_MACHOPIC_OFFSET.
3932
3933 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3934
3935         PR target/43294
3936         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3937         (m68k_delegitimize_address): New function.
3938
3939 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3940
3941         PR debug/43299
3942         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3943
3944         PR debug/43299
3945         * var-tracking.c (adjust_sets): New function.
3946         (count_with_sets, add_with_sets): Use it.
3947         (get_adjusted_src): New inline function.
3948         (add_stores): Use it.
3949
3950         PR debug/43304
3951         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3952         call cselib_dummy_expand_value_rtx_cb instead of
3953         cselib_expand_value_rtx_cb.
3954
3955         PR debug/43293
3956         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3957         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3958         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3959         and .cfi_endproc around the pic thunks.
3960         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3961         all queued unwind info register saves are saved before the call.
3962         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3963         considered as sp-=4 for unwind info and the pop as sp+=4 which
3964         also clobbers dest, but doesn't actually restore it.
3965
3966         PR debug/43290
3967         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3968         RTX_FRAME_RELATED_P.
3969
3970 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3971
3972         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3973         whitespaces in output template.
3974
3975 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3976
3977         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3978         out array boundary.
3979
3980 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3981
3982         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3983         builtins.exp in a separate job.
3984
3985 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3986
3987         * graphite-sese-to-poly.c (add_param_constraints): Use
3988         lower_bound_in_type and upper_bound_in_type.
3989
3990 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3991
3992         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3993         instead of unsigned_type_node.
3994
3995 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3996             Reza Yazdani  <reza.yazdani@amd.com>
3997
3998         PR middle-end/43065
3999         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4000         on pointer type parameters.
4001
4002 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4003
4004         PR middle-end/42644
4005         PR middle-end/42130
4006         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4007         handle conversions from pointer to integers.
4008         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4009         induction variable, to be able to work with code generated by CLooG.
4010         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4011         (build_poly_scop): Bail out if we cannot codegen a loop.
4012
4013 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
4014
4015         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4016         code generation with gloog_error.
4017
4018 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4019
4020         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4021         Call fold_convert on all the returned values.
4022         (expand_scalar_variables_expr): Pass to
4023         expand_scalar_variables_ssa_name the type of the resulting expression.
4024
4025 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4026
4027         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4028         ppl_min_for_le_pointset.
4029         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4030         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4031
4032 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4033
4034         * graphite-dependences.c (map_into_dep_poly): Removed.
4035         (dependence_polyhedron_1): Use combine_context_id_scat.
4036
4037 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4038
4039         * graphite-poly.h (struct poly_scattering): Add layout documentation.