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1 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
2
3         PR 43715
4         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
5         instead of "$gcc_cv_objdump -T".
6         Use "-undefined dynamic_lookup" on darwin.
7         * gcc/configure: Regenerate.
8
9 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
10
11         PR c/43893
12         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
13
14 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
15
16         * c-parser.c (struct c_token): Move location field up.
17         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
18         (struct c_declspecs): Convert typespec_word, storage_class, and
19         default_int_p into bitfields.
20         (struct c_declarator): Move loc field up.
21
22 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
23
24         * cfgloop.h (struct loop): Move can_be_parallel field up.
25         * ipa-prop.h (struct ip_node_params): Move bitfields up.
26         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
27         down.
28         (struct iv_cand): Convert pos field into a bitfield.
29         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
30         field up.
31         (struct _stmt_vec_info): Shuffle fields for better packing.
32
33 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
34
35         * varasm.c (IN_NAMED_SECTION): Remove guard.
36         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
37         (IN_NAMED_SECTION_P): ...this.
38         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
39         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
40
41 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
42
43         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
44         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
45         of shadowing it.  Fix comments.
46
47 2010-04-26  Jan Hubicka  <jh@suse.cz>
48
49         * cgraph.c (cgraph_create_node): Set node frequency to normal.
50         (cgraph_clone_node): Copy function frequency.
51         * cgraph.h (node_frequency): New enum
52         (struct cgraph_node): Add.
53         * final.c (rest_of_clean_state): Update.
54         * lto-cgraph.c (lto_output_node): Output node frequency.
55         (input_overwrite_node): Input node frequency.
56         * tre-ssa-loop-ivopts (computation_cost): Update.
57         * lto-streamer-out.c (output_function): Do not output function
58         frequency.
59         * predict.c (maybe_hot_frequency_p): Update and handle functions
60         executed once.
61         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
62         attribute lookup.
63         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
64         (compute_function_frequency): Set noreturn functions to be executed
65         once.
66         (choose_function_section): Update.
67         * lto-streamer-in.c (input_function): Do not input function frequency.
68         * function.c (allocate_struct_function): Do not initialize function
69         frequency.
70         * function.h (function_frequency): Remove.
71         (struct function): Remove function frequency.
72         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
73         (try_update): Update.
74         * tree-inline.c (initialize_cfun): Do not update function frequency.
75         * passes.c (pass_init_dump_file): Update.
76         * i386.c (ix86_compute_frame_layout): Update.
77         (ix86_pad_returns): Update.
78
79 2010-04-26  Jie Zhang  <jie@codesourcery.com>
80
81         PR tree-optimization/43833
82         * tree-vrp.c (range_int_cst_p): New.
83         (range_int_cst_singleton_p): New.
84         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
85         when both operands are constants.  Use range_int_cst_p in
86         BIT_IOR_EXPR case.
87
88 2010-04-26  Jan Hubicka  <jh@suse.cz>
89
90         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
91
92 2010-04-26  Richard Guenther  <rguenther@suse.de>
93
94         PR lto/43080
95         * gimple.c (gimple_decl_printable_name): Deal gracefully
96         with a NULL DECL_NAME.
97
98 2010-04-26  Richard Guenther  <rguenther@suse.de>
99
100         PR lto/42425
101         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
102         if emitting debug information and it is either a function
103         or a namespace decl.
104
105 2010-04-26  Ira Rosen  <irar@il.ibm.com>
106
107         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
108         determine if the statement is vectorizable, and a macro to 
109         access it.
110         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
111         Skip statements that can't be vectorized. If the analysis 
112         fails, mark the statement as unvectorizable if vectorizing 
113         basic block.
114         (vect_compute_data_refs_alignment): Likewise.
115         (vect_verify_datarefs_alignment): Skip statements marked as 
116         unvectorizable. Add print.
117         (vect_analyze_group_access): Skip statements that can't be 
118         vectorized. If the analysis fails, mark the statement as 
119         unvectorizable if vectorizing basic block.
120         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
121         Likewise.
122         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
123         generated stmts for SLP.
124         (new_stmt_vec_info): Initialize the new field.
125         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
126         statements marked as unvectorizable.
127
128 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
129
130         * c-common.c (flag_isoc1x): New.
131         (flag_isoc99): Update comment.
132         * c-common.h (flag_isoc1x): New.
133         (flag_isoc99): Update comment.
134         * c-cppbuiltin.c (builtin_define_float_constants): Also define
135         __<type>_DECIMAL_DIG__.
136         * c-opts.c (set_std_c1x): New.
137         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
138         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
139         * c.opt (-std=c1x, -std=gnu1x): New options.
140         * doc/cpp.texi: Mention -std=c1x.
141         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
142         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
143         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
144         * doc/standards.texi: Mention C1X.
145         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
146         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
147         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
148         Define for C1X.
149
150 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
151
152         * config/i386/gmon-sol2.c (_mcleanup): Change format string
153         placeholder from 0x%x to %#x.
154         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
155         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
156         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
157         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
158         * config/i386/i386.c (ix86_target_string): Ditto.
159         (output_pic_addr_const): Ditto.
160         (print_operand): Ditto.
161
162 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
163
164         * combine.c (find_split_point): Add third argument.  Use it
165         to find nested multiply-accumulate instructions.  Adjust calls.
166         (try_combine): Adjust call to find_split_point.
167
168 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
169
170         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
171
172 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
173
174         PR tree-optimization/41442
175         * fold-const.c (merge_truthop_with_opposite_arm): New function.
176         (fold_binary_loc): Call it.
177
178 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
179
180         * toplev.c (general_init): Set default for fdiagnostics-show-option.
181         * opts.c (common_handle_option): Allow disabling it.
182         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
183
184 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
185
186         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
187         between modes if both types are integral.
188
189 2010-04-23  Richard Guenther  <rguenther@suse.de>
190
191         PR tree-optimization/43572
192         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
193
194 2010-04-23  Richard Guenther  <rguenther@suse.de>
195
196         PR lto/43455
197         * tree-inline.c (tree_can_inline_p): Also check compatibility
198         of return types.
199
200 2010-04-23  Martin Jambor  <mjambor@suse.cz>
201
202         PR tree-optimization/43846
203         * tree-sra.c (struct access): New flag grp_assignment_read.
204         (build_accesses_from_assign): Set grp_assignment_read.
205         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
206         (enum mark_read_status): New type.
207         (analyze_access_subtree): Propagate grp_assignment_read, create
208         accesses also if both direct_read and root->grp_assignment_read.
209
210 2010-04-23  Martin Jambor  <mjambor@suse.cz>
211
212         PR middle-end/43835
213         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
214         function does not have type attributes.
215
216 2010-04-23  Richard Guenther  <rguenther@suse.de>
217
218         PR lto/42653
219         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
220         of FUNCTION_DECLs.
221
222 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
223
224         * sese.h (create_if_region_on_edge): Remove.
225
226         * sese.c (create_if_region_on_edge): Make static.
227
228         * tree-inline.c: Do not include ggc.h.
229
230         * expr.c: Do not include ggc.h.
231
232         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
233         dependencies.
234
235 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
236
237         PR target/43744
238         * config/sh/sh.c (find_barrier): Don't emit a constant pool
239         in the middle of insns for casesi_worker_2.
240
241 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
242
243         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
244
245 2010-04-22  Ira Rosen  <irar@il.ibm.com>
246
247         PR tree-optimization/43842
248         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
249         loop unrolling in update of exit phis. Fix comment.
250         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
251         least two reduction statements in the loop before starting SLP
252         analysis.
253
254 2010-04-22  Nick Clifton  <nickc@redhat.com>
255
256         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
257
258 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
259
260         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
261         to simplify a + ~a.
262
263 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
264
265         * tree-parloops.c (loop_parallel_p): New argument
266         parloop_obstack.  Pass it down.
267         (parallelize_loops): New variable parloop_obstack.  Initialize it,
268         pass it down, free it.
269
270         * tree-loop-linear.c (linear_transform_loops): Pass down
271         lambda_obstack.
272
273         * tree-data-ref.h (lambda_compute_access_matrices): New argument
274         of type struct obstack *.
275
276         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
277         scratch_obstack.  Initialize it, pass down, free it.
278
279         * lambda.h (lambda_loop_new): Remove.
280         (lambda_matrix_new, lambda_matrix_inverse)
281         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
282         argument of type struct obstack *.
283
284         * lambda-trans.c (lambda_trans_matrix_new): New argument
285         lambda_obstack.  Pass it down, use obstack allocation for ret.
286         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
287         it down.
288
289         * lambda-mat.c (lambda_matrix_get_column)
290         (lambda_matrix_project_to_null): Remove.
291         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
292         allocation for mat.
293         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
294         lambda_obstack.
295
296         * lambda-code.c (lambda_loop_new): New function.
297         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
298         (lambda_compute_auxillary_space, lambda_compute_target_space)
299         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
300         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
301         (build_access_matrix): New argument lambda_obstack.  Use obstack
302         allocation for am.
303         (lambda_compute_step_signs, lambda_compute_access_matrices): New
304         argument lambda_obstack.  Pass it down.
305
306 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
307
308         * optabs.h (expand_widening_mult): Declare.
309
310 2010-04-22  Richard Guenther  <rguenther@suse.de>
311
312         PR tree-optimization/43845
313         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
314         lookup the CALL_EXPR function and arguments.
315
316 2010-04-22  Nick Clifton  <nickc@redhat.com>
317
318         * config/stormy16/stormy16.c
319         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
320         * config/stormy16/stormy16.h: Tidy up formatting.
321         (DONT_USE_BUILTIN_SETJMP): Remove definition.
322         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
323         (ineqbranchsi): Delete pattern.
324         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
325         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
326         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
327         stormy16-lib2-ucmpsi2.c.
328
329 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
330
331         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
332         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
333         extra set merge_set_noclobber, and use it to relax the final test
334         slightly.
335         * df.h (df_simulate_find_noclobber_defs): Declare.
336         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
337         conditional defs.
338         (df_simulate_find_noclobber_defs): New function.
339
340 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
341
342         * config/i386/i386.md: Use {} around multi-line preparation statements.
343
344 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
345
346         * c-tree.h (push_init_level, pop_init_level, set_init_index)
347         (process_init_element): New argument of type struct obstack *.
348
349         * c-typeck.c (push_init_level, pop_init_level, set_designator)
350         (set_init_index, set_init_label, set_nonincremental_init)
351         (set_nonincremental_init_from_string, find_init_member)
352         (output_init_element, output_pending_init_elements)
353         (process_init_element): New argument braced_init_obstack.  Pass it
354         down.
355         (push_range_stack, add_pending_init): New argument
356         braced_init_obstack.  Use obstack allocation.
357
358         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
359         braced_init_obstack.  Pass it down.
360         (c_parser_braced_init): New variables ret, braced_init_obstack.
361         Initialize obstack, pass it down and finally free it.
362
363 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
364
365         PR middle-end/29274
366         * tree-pass.h (pass_optimize_widening_mul): Declare.
367         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
368         gate_optimize_widening_mul): New static functions.
369         (pass_optimize_widening_mul): New.
370         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
371         <case MULT_EXPR>: Remove support for widening multiplies.
372         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
373         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
374         simplify_gen_unary rather than directly building extensions.
375         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
376         WIDEN_MULT_EXPR.
377         * expmed.c (expand_widening_mult): New function.
378         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
379
380 2010-04-21  Jan Hubicka  <jh@suse.cz>
381
382         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
383         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
384         * lto-wpa-fixup.c: Remove.
385         * Makefile.in (lto-wpa-fixup.o): Remove.
386         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
387         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
388         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
389
390 2010-04-21  Jan Hubicka  <jh@suse.cz>
391
392         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
393         add write_optimization_summary, read_optimization_summary.
394         (ipa_write_summaries_of_cgraph_node_set): Remove.
395         (ipa_write_optimization_summaries): Declare.
396         (ipa_read_optimization_summaries): Declare.
397         * ipa-cp.c (pass_ipa_cp): Update.
398         * ipa-reference.c (pass_ipa_reference): Update.
399         * ipa-pure-const.c (pass_ipa_pure_const): Update.
400         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
401         Update.
402         * ipa-inline.c (pass_ipa_inline): Update.
403         * ipa.c (pass_ipa_whole_program): Update.
404         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
405         * passes.c (ipa_write_summaries_1): Do not test wpa.
406         (ipa_write_optimization_summaries_1): New.
407         (ipa_write_optimization_summaries): New.
408         (ipa_read_summaries): Do not test ltrans.
409         (ipa_read_optimization_summaries_1): New.
410         (ipa_read_optimization_summaries): New.
411
412 2010-04-21  Jan Hubicka  <jh@suse.cz>
413
414         * lto-cgraph.c (lto_output_node): Do not output comdat groups
415         for boundary nodes.
416         (output_cgraph): Do not arrange comdat groups for boundary nodes.
417
418 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
419
420         PR debug/40040
421         * dwarf2out.c (add_name_and_src_coords_attributes): Add
422         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
423
424 2010-04-21  Jan Hubicka  <jh@suse.cz>
425
426         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
427
428 2010-04-21  Jan Hubicka  <jh@suse.cz>
429
430         * varpool.c (decide_is_variable_needed): Variable is always needed
431         during ltrans.
432
433 2010-04-21  Jan Hubicka  <jh@suse.cz>
434
435         * opts.c (decode_options): Enable pure-const pass for whopr.
436
437 2010-04-21  Jan Hubicka  <jh@suse.cz>
438
439         * cgraph.c (dump_cgraph_node): Dump also assembler name.
440         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
441         at WPA dumping.
442         (cgraph_decide_inlining): Do not expect callee to be removed in all
443         cases.
444
445 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
446
447         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
448
449 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
450
451         * config/i386/i386.md (x86_shrd): Add athlon_decode and
452         amdfam10_decode attributes.
453
454 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
455
456         PR middle-end/43570
457         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
458         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
459         (lower_copyprivate_clauses): Use private var in outer
460         context instead of original var.  Make sure the types
461         are correct for VLAs.
462
463 2010-04-21  Richard Guenther  <rguenther@suse.de>
464
465         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
466         to non-pointer objects.
467
468 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
469
470         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
471         last chain entry if it starts with the still current label.
472         (add_location_or_const_value_attribute): Check that
473         loc_list->first->next is NULL instead of comparing ->first with ->last.
474         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
475         to add_var_loc_to_decl.
476
477         * dwarf2out.c (output_call_frame_info): For dw_cie_version
478         >= 4 add also address size and segment size fields into CIE header.
479
480         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
481         long as address size is the same as sizeof (void *) and
482         segment size is 0.
483         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
484         address size or segment size is unexpected, return DW_EH_PE_omit.
485         (classify_object_over_fdes): If get_cie_encoding returned
486         DW_EH_PE_omit, return -1.
487         (init_object): If classify_object_over_fdes returned -1,
488         pretend there were no FDEs at all.
489
490 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
491
492         * config/i386/i386.md (bswap<mode>2): Macroize expander from
493         bswap{si,di}2 using SWI48 mode iterator.
494         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
495         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
496         set modrm attribute of bswap insn to 0 and remove length attribute.
497         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
498         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
499         set mode attribute to <MODE> and remove length attribute.
500
501 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
502
503         PR rtl-optimization/43520
504         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
505         zero available registers.
506
507 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
508
509         * builtins.c (fold_builtin_cproj): Fold more cases.
510
511 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
512
513         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
514         (fold_builtin_1): Fold builtin cproj.
515         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
516         Use ATTR_CONST_NOTHROW_LIST.
517
518 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
519
520         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
521         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
522         ffsi2_no_cmove for !TARGET_CMOVE.
523         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
524         (ffssi2): Remove expander.
525         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
526         mode iterator.
527         (ctz<mode>2): Ditto from ctz{si,di}2.
528         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
529         mode iterator.
530         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
531         mode iterator.
532
533 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
534
535         * dwarf2out.c (AT_linkage_name): Define.
536         (clone_as_declaration): Handle DW_AT_linkage_name.
537         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
538         of DW_AT_MIPS_linkage_name.
539         (move_linkage_attr): Likewise.
540         (dwarf2out_finish): Likewise.
541
542 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
543
544         PR middle-end/41952
545         * fold-const.c (fold_comparison): New folding rule.
546
547 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
548
549         * double-int.h (double_int_setbit): Declare.
550         * double-int.c (double_int_setbit): New function.
551         * rtl.h (immed_double_int_const): Declare.
552         * emit-rtl.c (immed_double_int_const): New function.
553         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
554         and immed_double_int_const functions.
555         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
556         expand_copysign_bit):  (Ditto.).
557         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
558         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
559         * dojump.c (prefer_and_bit_test): (Ditto.).
560         * expr.c (convert_modes, reduce_to_bit_field_precision,
561         const_vector_from_tree): (Ditto.).
562         * expmed.c (mask_rtx, lshift_value): (Ditto.).
563
564 2010-04-20  Jan Hubicka  <jh@suse.cz>
565
566         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
567         (dump_cgraph_node): Dump new flags.
568         * cgraph.h (struct cgraph_node): Add flags
569         reachable_from_other_partition and in_other_partition.
570         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
571         other partition can not be removed.
572         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
573         the other partition must be output; silence sanity checking on
574         leaking functions bodies from other paritition.
575         * lto-cgraph.c (reachable_from_other_partition_p): New function.
576         (lto_output_node): Output new flags; do not sanity check that inline
577         clones are output; drop lto_forced_extern_inline_p code; do not mock
578         visibility flags at partition boundaries.
579         (add_node_to): New function.
580         (output_cgraph): Use it to sort functions so masters appear before
581         clones.
582         (input_overwrite_node): Input new flags.
583         * passes.c (ipa_write_summaries): Do not call
584         lto_new_extern_inline_states.
585         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
586         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
587         lto_forced_extern_inline_p): Kill.
588         * lto-streamer.h (lto_new_extern_inline_states,
589         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
590         lto_forced_extern_inline_p): Kill.
591
592 2010-04-20  Richard Guenther  <rguenther@suse.de>
593
594         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
595         from vars that can have pointers.
596         (process_constraint): Dump useless constraints.
597
598 2010-04-20  Richard Guenther  <rguenther@suse.de>
599
600         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
601         (dump_sa_points_to_info): Remove asserts.
602         (init_base_vars): nothing_id isn't an escape point nor does it
603         have pointers.
604
605 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
606
607         * tree.h (TYPE_REF_IS_RVALUE): Define.
608         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
609         should_move_die_to_comdat, prune_unused_types_walk): Handle
610         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
611         (modified_type_die, gen_reference_type_die): Emit
612         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
613         if TYPE_REF_IS_RVALUE and -gdwarf-4.
614
615 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
616
617         PR target/43635
618         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
619         calls for -fpic -m31 if they have been sibcall optimized.
620
621 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
622
623         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
624         ar.lc fixed and call-used.
625
626         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
627
628 2010-04-19  Jan Hubicka  <jh@suse.cz>
629
630         * opts.c (decode_options): Disable whpr incompatible passes.
631         * lto/lto.c (lto_1_to_1_map): Skip clones.
632         (read_cgraph_and_symbols): Do not mark everything as needed.
633         (do_whole_program_analysis): Do map only after optimizing;
634         set proper cgraph_state; use passmanager.
635
636 2010-04-19  DJ Delorie  <dj@redhat.com>
637
638         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
639         POINTER_PLUS_EXPR and fix them.
640
641 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
642
643         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
644         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
645         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
646         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
647         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
648         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
649         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
650         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
651         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
652         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
653         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
654
655 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
656
657         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
658         (check_cond_move_block): Likewise.
659         (cond_move_process_if_block): Likewise.
660         (noce_find_if_block): Improve formatting.
661         (find_if_header): Pass 0 to memset and tweak conditions.
662         (cond_exec_find_if_block): Fix long lines and tweak conditions.
663
664 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
665
666         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
667         for -gdwarf-4.
668
669         PR middle-end/43337
670         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
671         with non-local decl doesn't need chain.
672
673 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
674
675         * ira-color.c (allocno_reload_assign): Avoid accumulating
676         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
677
678 2010-04-19  Martin Jambor  <mjambor@suse.cz>
679
680         * gimple.h (create_tmp_reg): Declare.
681         * gimplify.c (create_tmp_reg): New function.
682         (gimplify_return_expr): Use create_tmp_reg.
683         (gimplify_omp_atomic): Likewise.
684         (gimple_regimplify_operands): Likewise.
685         * tree-dfa.c (make_rename_temp): Likewise.
686         * tree-predcom.c (predcom_tmp_var): Likewise.
687         (reassociate_to_the_same_stmt): Likewise.
688         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
689         (get_replaced_param_substitute): Likewise.
690         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
691         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
692         * tree-ssa-pre.c (get_representative_for): Likewise.
693         (create_expression_by_pieces): Likewise.
694         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
695         (create_tailcall_accumulator): Likewise.
696
697 2010-04-19  Martin Jambor  <mjambor@suse.cz>
698
699         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
700         new_stmt.
701         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
702
703 2010-04-19  Richard Guenther  <rguenther@suse.de>
704
705         PR tree-optimization/43796
706         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
707         from SCEV in the lattice.
708         (vrp_visit_phi_node): Dump change.
709
710 2010-04-19  Richard Guenther  <rguenther@suse.de>
711
712         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
713         * configure: Re-generated.
714
715 2010-04-19  Richard Guenther  <rguenther@suse.de>
716
717         PR tree-optimization/43783
718         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
719         constant ARRAY_REF operands two and three if possible.
720
721 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
722
723         PR target/43766
724         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
725
726 2010-04-19  Jie Zhang  <jie@codesourcery.com>
727
728         PR target/43662
729         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
730
731 2010-04-19  Ira Rosen  <irar@il.ibm.com>
732
733         PR tree-optimization/37027
734         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
735         and macro to access it.
736         (vectorizable_reduction): Add argument.
737         (vect_get_slp_defs): Likewise.
738         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
739         statements for possible use in SLP.
740         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
741         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
742         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
743         add new argument.
744         (vectorizable_reduction): Likewise.
745         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
746         vect_get_slp_defs.
747         (vectorizable_type_demotion, vectorizable_type_promotion,
748         vectorizable_store): Likewise.
749         (vect_analyze_stmt): Update call to vectorizable_reduction.
750         (vect_transform_stmt): Likewise.
751         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
752         (vect_build_slp_tree): Fix indentation. Check that there are no loads
753         from different interleaving chains in same node.
754         (vect_slp_rearrange_stmts): New function.
755         (vect_supported_load_permutation_p): Allow load permutations for
756         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
757         inside SLP nodes if necessary.
758         (vect_analyze_slp_instance): Handle reductions.
759         (vect_analyze_slp): Try to build SLP instances originating from groups
760         of reductions.
761         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
762         (vect_get_constant_vectors): Create initial vectors for reductions
763         according to reduction code. Add new argument.
764         (vect_get_slp_defs): Add new argument, pass it to
765         vect_get_constant_vectors.
766         (vect_schedule_slp_instance): Remove SLP tree root statements.
767
768 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
769
770         * tree.h (ENUM_IS_SCOPED): Define.
771         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
772         for ENUM_IS_SCOPED enums.
773
774 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
775
776         * fold-const.c (fold_comparison): Use ssizetype.
777         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
778         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
779         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
780         * tree-object-size.c (compute_object_sizes): Use size_type_node.
781
782         * tree.h (initialize_sizetypes): Remove parameter.
783         (build_common_tree_nodes): Remove second parameter.
784         * stor-layout.c (initialize_sizetypes): Remove parameter.
785         Always create an unsigned type.
786         (set_sizetype): Assert that the passed type is unsigned and simplify.
787         * tree.c (build_common_tree_nodes): Remove second parameter.
788         Adjust call to initialize_sizetypes.
789         * c-decl.c (c_init_decl_processing): Remove second argument in call to
790         build_common_tree_nodes.
791
792 2010-04-18  Matthias Klose  <doko@ubuntu.com>
793
794         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
795
796 2010-04-18  Ira Rosen  <irar@il.ibm.com>
797
798         PR tree-optimization/43771
799         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
800         load permutation doesn't have gaps.
801
802 2010-04-18  Jan Hubicka  <jh@suse.cz>
803
804         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
805         (sse_prologue_save_insn expander): Use new pattern.
806         (sse_prologue_save_insn1): New pattern and splitter.
807         (sse_prologue_save_insn): Update to deal also with 64bit aligned
808         blocks.
809         * i386.c (setup_incoming_varargs_64): Do not compute jump
810         destination here.
811         (ix86_gimplify_va_arg): Update alignment needed.
812         (ix86_local_alignment): Do not align all local arrays to 128bit.
813
814 2010-04-17  Jan Hubicka  <jh@suse.cz>
815
816         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
817
818 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
819
820         * arm.md (negdi2): Remove redundant code to force values into a
821         register.
822
823 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
824
825         * arm/bpabi.S: Add EABI alignment attributes to objects.
826         * arm/bpabi-v6m.S: Likewise.
827         * arm/crti.asm: Likewise.
828         * arm/crtn.asm: Likewise.
829         * arm/lib1funcs.asm: Likewise.
830         * arm/libunwind.S: Likewise.
831
832 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
833
834         * arm-protos.h (tune_params): New structure.
835         * arm.c (current_tune): New variable.
836         (arm_constant_limit): Delete.
837         (struct processors): Add pointer to the tune parameters.
838         (arm_slowmul_tune): New tuning option.
839         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
840         (all_cores): Adjust to pick up the tuning model.
841         (arm_constant_limit): New function.
842         (arm_override_options): Select the appropriate tuning model.  Delete
843         initialization of arm_const_limit.
844         (arm_split_constant): Use the new constant-limit model.
845         (arm_rtx_costs): Pick up the current tuning model.
846         * arm.md (is_strongarm, is_xscale): Delete.
847         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
848         for Xscale variant architectures.
849         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
850
851 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
852
853         * config/arm/arm.c (arm_gen_constant): Remove unused variable
854         can_shift.
855         (arm_rtx_costs_1): Remove unused variable extra_cost.
856         (arm_unwind_emit_set): Use variable offset.
857         (thumb1_output_casesi): Remove unused variable flags.
858
859 2010-04-16  Jeff Law  <law@redhat.com>
860
861         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
862         needing assignment rather than doing a two-phase assignment.  Remove
863         unused variable 'm'.
864
865 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
866
867         PR bootstrap/43767
868         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
869
870 2010-04-16  Doug Kwan  <dougkwan@google.com>
871
872         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
873         (next_operand_entry_id): New static variable.
874         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
875         (add_to_ops_vec): Assigned unique ID to operand entry.
876         (struct oecount_s): New field ID.
877         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
878         (undistribute_ops_list): Assign unique IDs to oecounts.
879         (init_reassoc): reset next_operand_entry_id.
880
881 2010-04-16  Doug Kwan  <dougkwan@google.com>
882
883         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
884         missing left parenthesis.
885
886 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
887
888         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
889         *btdi_rex64 using SWI48 mode iterator.
890         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
891         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
892         *jcc_btdi_mask_rex64.
893
894 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
895
896         * double-int.h (tree_to_double_int): Convert to macro.
897         * double-int.c (tree_to_double_int): Remove.
898
899 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
900
901         PR debug/43762
902         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
903         with want_address 2 and in case a single element list might be
904         possible, call it again with want_address 0.
905
906 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
907
908         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
909         case 'W' print operands for HI mode.
910         * config/h8300/h8300.h (Y0, Y2) : New constraints.
911         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
912         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
913         * config/h8300/predicate.md (bit_register_indirect_operand): New.
914
915         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
916
917         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
918         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
919         #xx:3 and #xx:4 mode.
920
921         * config/h8300/h8300.md (inverted load with HImode dest): Add
922         support for H8300SX.
923
924         * config/h8300/predicate.md (bit_operand): Allow immediate values that
925         satisfy 'U' constraint.
926
927 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
928
929         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
930         * configure: Regenerate.
931         * config.in: Regenerate.
932         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
933         works.
934
935 2010-04-16  Richard Guenther  <rguenther@suse.de>
936
937         * tree.h (struct tree_decl_minimal): Move pt_uid ...
938         (struct tree_decl_common): ... here.
939         (DECL_PT_UID): Adjust.
940         (SET_DECL_PT_UID): Likewise.
941         (DECL_PT_UID_SET_P): Likewise.
942
943 2010-04-16  Richard Guenther  <rguenther@suse.de>
944
945         PR tree-optimization/43572
946         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
947         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
948         * tree-flow.h (is_call_clobbered): Remove.
949         * tree-flow-inline.h (is_call_clobbered): Likewise.
950         * tree-dfa.c (dump_variable): Do not dump call clobber state.
951         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
952         (execute_return_slot_opt): Adjust.
953         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
954         check for call clobbered vars here.
955         (find_tail_calls): Move tailcall verification to the
956         proper place.
957
958 2010-04-16  Diego Novillo  <dnovillo@google.com>
959
960         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
961
962 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
963
964         PR target/40603
965         * config/arm/arm.md (cbranchqi4): New pattern.
966         * config/arm/predicates.md (const0_operand,
967         cbranchqi4_comparison_operator): New predicates.
968
969 2010-04-16  Richard Guenther  <rguenther@suse.de>
970
971         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
972         (dump_gimple_stmt): Likewise.
973
974 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
975
976         * recog.h (struct recog_data): New field is_operator.
977         (struct insn_operand_data): New field is_operator.
978         * recog.c (extract_insn): Set recog_data.is_operator.
979         * genoutput.c (output_operand_data): Emit code to set the
980         is_operator field.
981         * reload.c (find_reloads): Use it rather than testing for an
982         empty constraint string.
983
984         PR target/41514
985         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
986         If the previous insn is a cbranchsi4_insn with the same arguments,
987         omit the compare instruction.
988
989         * config/arm/arm.md (addsi3_cbranch): If destination is a high
990         register, inputs must be low registers and we need a low register
991         scratch.  Handle alternative 2 like alternative 3.
992
993 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
994
995         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
996         don't call get_addr on both.  If one expression is a VALUE and
997         the other a REG, check VALUE's locs if the REG isn't among them.
998
999 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1000
1001         * config/sh/sh.h (sh_frame_pointer_required): New function.
1002         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1003         (flag_omit_frame_pointer) Set.
1004         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1005         (rounded_frame_size): Adjust size with outgoing_args_size.
1006         (sh_set_return_address): Must return from stack pointer.
1007         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1008         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1009         (ACCUMULATE_OUTGOING_ARGS): Define.
1010         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1011         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1012
1013 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1014
1015         PR target/43471
1016         * config/sh/sh.c (sh_legitimize_reload_address): Use
1017         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1018         Remove a unneeded check for offset_base.
1019
1020 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1021
1022         * configure: Regenerated.
1023
1024 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1025
1026         * config/s390/s390.c (s390_call_save_register_used): Switch back
1027         to HARD_REGNO_NREGS.
1028
1029 2010-04-15  Richard Guenther  <rguenther@suse.de>
1030
1031         * alias.c (alias_set_subset_of): Handle alias-set zero
1032         child properly.
1033
1034 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1035             Julian Brown  <julian@codesourcery.com>
1036
1037         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1038         alternatives according to use of high and low regs.
1039         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1040         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1041         optimizing for size on Thumb-2.
1042
1043 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1044
1045         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1046
1047 2010-04-15  Richard Guenther  <rguenther@suse.de>
1048
1049         * tree-ssa-structalias.c (struct variable_info): Add
1050         is_fn_info flag.
1051         (new_var_info): Initialize it.
1052         (dump_constraints): Support printing last added constraints.
1053         (debug_constraints): Adjust.
1054         (dump_constraint_graph): Likewise.
1055         (make_heapvar_for): Check for NULL cfun.
1056         (get_function_part_constraint): New function.
1057         (get_fi_for_callee): Likewise.
1058         (find_func_aliases): Properly implement IPA PTA constraints.
1059         (process_ipa_clobber): New function.
1060         (find_func_clobbers): Likewise.
1061         (insert_into_field_list_sorted): Remove.
1062         (create_function_info_for): Properly allocate vars for IPA mode.
1063         Do not use insert_into_field_list_sorted.
1064         (create_variable_info_for): Properly generate constraints for
1065         global vars in IPA mode.
1066         (dump_solution_for_var): Always dump the solution.
1067         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1068         (find_what_var_points_to): Adjust.
1069         (pt_solution_set): Change.
1070         (pt_solution_ior_into): New function.
1071         (pt_solution_empty_p): Export.
1072         (pt_solution_includes_global): Adjust.
1073         (pt_solution_includes_1): Likewise.
1074         (pt_solutions_intersect_1): Likewise.
1075         (dump_sa_points_to_info): Check some invariants.
1076         (solve_constraints): Move constraint dumping ...
1077         (compute_points_to_sets): ... here.
1078         (ipa_pta_execute): ... and here.
1079         (compute_may_aliases): Do not re-compute points-to info
1080         locally if IPA info is available.
1081         (ipa_escaped_pt): New global var.
1082         (ipa_pta_execute): Properly implement IPA PTA.
1083         * tree-into-ssa.c (dump_decl_set): Support dumping
1084         decls not in referenced-vars.
1085         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1086         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1087         (dump_points_to_solution): Likewise.
1088         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1089         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1090         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1091         (copy_decl_to_var): Copy DECL_PT_UID.
1092         (copy_result_decl_to_var): Likewise.
1093         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1094         (copy_node_stat): Copy it.
1095         * tree.h (DECL_PT_UID): New macro.
1096         (SET_DECL_PT_UID): Likewise.
1097         (DECL_PT_UID_SET_P): Likewise.
1098         (struct tree_decl_minimal): Add pt_uid member.
1099         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1100         (pt_solution_empty_p): Declare.
1101         (pt_solution_set): Adjust.
1102         (ipa_escaped_pt): Declare.
1103         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1104         * gimple-pretty-print.c (pp_points_to_solution): New function.
1105         (dump_gimple_call): Dump call clobber/use information.
1106         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1107         * tree-pass.h (TDF_ALIAS): New dump option.
1108         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1109         * doc/invoke.texi (-fipa-pta): Update documentation.
1110
1111 2010-04-15  Richard Guenther  <rguenther@suse.de>
1112
1113         * Makefile.in (OBJS-common): Add gimple-fold.o.
1114         (gimple-fold.o): New rule.
1115         * tree.h (maybe_fold_offset_to_reference,
1116         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1117         prototypes ...
1118         * gimple.h: ... here.
1119         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1120         may_propagate_address_into_dereference): Move prototypes ...
1121         * gimple.h: ... here.
1122         * tree-ssa-ccp.c (get_symbol_constant_value,
1123         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1124         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1125         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1126         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1127         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1128         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1129         gimplify_and_update_call_from_tree): Move ...
1130         * gimple-fold.c: ... here.  New file.
1131         (ccp_fold_builtin): Rename to ...
1132         (gimple_fold_builtin): ... this.
1133         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1134
1135 2010-04-15  Richard Guenther  <rguenther@suse.de>
1136
1137         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1138         fit_double_type, force_fit_type_double, add_double_with_sign,
1139         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1140         lrotate_double, rrotate_double, div_and_round_double): Move ...
1141         * double-int.c: ... here.
1142         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1143         add_double, neg_double, mul_double_with_sign, mul_double,
1144         lshift_double, rshift_double, lrotate_double, rrotate_double,
1145         div_and_round_double): Move prototypes ...
1146         * double-int.h: ... here.
1147
1148 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1149
1150         PR target/43742
1151         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1152         matching constraints to ensure inputs match the output.
1153
1154 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1155
1156         PR target/43742
1157         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1158         in an input-only operand.
1159
1160 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1161
1162         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1163         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1164         (double_int_negative_p): Convert to static inline function.
1165         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1166         (double_int_negative_p): Remove.
1167         * tree.h (lshift_double, rshift_double):
1168         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1169         * fold-const.c (fold_convert_const_int_from_real,
1170         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1171         (lshift_double): Change type of arith argument to bool.
1172         (rshift_double): Change type of arith argument to bool. Correct
1173         comment.
1174         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1175
1176 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1177
1178         PR target/21803
1179         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1180         at the start and end of the then/else blocks, and omit them from the
1181         conversion.
1182         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1183         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1184         (flow_find_head_matching_sequence): New function.
1185         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1186         * basic-block.h (flow_find_cross_jump,
1187         flow_find_head_matching_sequence): Declare functions.
1188
1189 2010-04-14  Jason Merrill  <jason@redhat.com>
1190
1191         PR c++/36625
1192         * c-common.c (attribute_takes_identifier_p): New fn.
1193         * c-common.h: Declare it.
1194
1195 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1196
1197         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1198         splitter condition.
1199         (*udivmod<mode>4): Ditto.
1200
1201 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1202
1203         * config/i386/i386.md (maxmin_int): Rename code attribute from
1204         maxminiprefix and update all users.
1205         (maxmin_float): Ditto from maxminfprefix.
1206         (logic): Ditto from logicprefix.
1207         (absneg_mnemonic): Ditto from absnegprefix.
1208         * config/i386/mmx.md: Update all users of maxminiprefix,
1209         maxminfprefix and logicprefix for rename.
1210         * config/i386/sse.md: Ditto.
1211         * config/i386/sync.md (sync_<code><mode>): Update for
1212         logicprefix rename.
1213
1214 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1215
1216         PR 42966
1217         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1218         warnings converted to errors.
1219
1220 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1221
1222         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1223         used insn_type variable.
1224         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1225         to avoid set-but-not-used warning.
1226
1227 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1228
1229         * df-core.c (df_ref_debug): Change format string placeholder
1230         from 0x%x to %#x.
1231         * dwarf2asm.c (dw2_asm_output_data_raw,
1232         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1233         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1234         * dwarf2out.c (output_cfi, output_cfi_directive,
1235         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1236         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1237         Ditto.
1238         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1239         * print-rtl.c (print_rtx): Ditto.
1240
1241 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1242
1243         PR middle-end/42694
1244         * builtins.c (expand_builtin_pow_root): New function to expand pow
1245         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1246         series of sqrt and cbrt calls under -ffast-math.
1247         (expand_builtin_pow): Call it.
1248
1249 2010-04-14  Michael Matz  <matz@suse.de>
1250
1251         PR tree-optimization/42963
1252         * tree-cfg.c (touched_switch_bbs): New static variable.
1253         (group_case_labels_stmt): New function broken out from ...
1254         (group_case_labels): ... here, use the above.
1255         (start_recording_case_labels): Allocate touched_switch_bbs.
1256         (end_recording_case_labels): Deallocate it, call
1257         group_case_labels_stmt.
1258         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1259
1260 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1261
1262         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1263         from insn template.
1264
1265 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1266
1267         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1268
1269 2010-04-13  Jan Hubicka  <jh@suse.cz>
1270
1271         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1272         of optimized out static functions.
1273         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1274         cost computation.  Also sanity check for overflows.
1275         (update_caller_keys): Update cgraph_edge_badness call; properly
1276         update fibheap and sanity check that it is up to date.
1277         (add_new_edges_to_heap): Update cgraph_edge_badness.
1278         (cgraph_decide_inlining_of_small_function): Likewise;
1279         add sanity checking that badness in heap is up to date;
1280         improve dumping of reason; Update badness of calls to the
1281         offline copy of function currently inlined; dump badness
1282         of functions not inlined because of unit growth limits.
1283
1284 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1285
1286         PR middle-end/32628
1287         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1288         because of sign-extension change when converting to sizetype here...
1289         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1290
1291         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1292         the folding to constants.  Remove redundant final conversion.
1293         (fold_binary) <associate>: Do not associate if the re-association of
1294         constants alone overflows.
1295         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1296         to the end of the list.
1297         (multiple_of_p) <COND_EXPR>: New case.
1298
1299 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1300
1301         * opt-functions.awk (opt_sanitized_name): New.
1302         (opt_enum): New.
1303         * optc-gen.awk: Use it
1304         * opth-gen.awk: Use it.
1305
1306 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1307
1308         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1309         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1310         children.  Call replace_uses_with_default_def_ssa_name to handle
1311         SSA_NAES on lhs.
1312
1313 2010-04-13  Michael Matz  <matz@suse.de>
1314
1315         PR middle-end/43730
1316         * builtins.c (expand_builtin_interclass_mathfn): Also create
1317         a register if the predicate doesn't match.
1318
1319 2010-04-13  Diego Novillo  <dnovillo@google.com>
1320
1321         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1322         * c-pch.c: Include timevar.h.
1323         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1324         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1325         * ggc-common.c: Include timevar.h.
1326         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1327         * timevar.def (TV_PCH_SAVE): Define.
1328         (TV_PCH_CPP_SAVE): Define.
1329         (TV_PCH_PTR_REALLOC): Define.
1330         (TV_PCH_PTR_SORT): Define.
1331         (TV_PCH_RESTORE): Define.
1332         (TV_PCH_CPP_RESTORE): Define.
1333
1334 2010-04-13  Michael Matz  <matz@suse.de>
1335
1336         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1337         into MINUS_EXPRs.
1338         (can_reassociate_p): New function.
1339         (break_up_subtract_bb, reassociate_bb): Use it.
1340
1341 2010-04-13  Richard Guenther  <rguenther@suse.de>
1342
1343         PR bootstrap/43737
1344         * builtins.c (c_readstr): Fix assert.
1345
1346 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1349         when generating cltd insn.
1350
1351         (*ashl<mode>3_1): Remove special handling for register operand 2.
1352         (*ashlsi3_1_zext): Ditto.
1353         (*ashlhi3_1): Ditto.
1354         (*ashlhi3_1_lea): Ditto.
1355         (*ashlqi3_1): Ditto.
1356         (*ashlqi3_1_lea): Ditto.
1357         (*<shiftrt_insn><mode>3_1): Ditto.
1358         (*<shiftrt_insn>si3_1_zext): Ditto.
1359         (*<shiftrt_insn>qi3_1_slp): Ditto.
1360         (*<rotate_insn><mode>3_1): Ditto.
1361         (*<rotate_insn>si3_1_zext): Ditto.
1362         (*<rotate_insn>qi3_1_slp): Ditto.
1363
1364 2010-04-13  Richard Guenther  <rguenther@suse.de>
1365
1366         * tree-ssa-structalias.c (callused_id): Remove.
1367         (call_stmt_vars): New.
1368         (get_call_vi): Likewise.
1369         (lookup_call_use_vi): Likewise.
1370         (lookup_call_clobber_vi): Likewise.
1371         (get_call_use_vi): Likewise.
1372         (get_call_clobber_vi): Likewise.
1373         (make_transitive_closure_constraints): Likewise.
1374         (handle_const_call): Adjust to do per-call call-used handling.
1375         (handle_pure_call): Likewise.
1376         (find_what_var_points_to): Remove general callused handling.
1377         (init_base_vars): Likewise.
1378         (init_alias_vars): Initialize call_stmt_vars.
1379         (compute_points_to_sets): Process call-used and call-clobbered
1380         vars for call statements.
1381         (delete_points_to_sets): Free call_stmt_vars.
1382
1383 2010-04-13  Richard Guenther  <rguenther@suse.de>
1384
1385         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1386         Only add RW dependence for dependence distance zero.
1387         Adjust maximal vectorization factor according to dependences.
1388         Move alignment handling ...
1389         (vect_find_same_alignment_drs): ... here.  New function.
1390         (vect_analyze_data_ref_dependences): Adjust.
1391         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1392         (vect_analyze_data_refs): Adjust minimal vectorization factor
1393         according to data references.
1394         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1395         dependences before determining the vectorization factor.
1396         Analyze alignment after determining the vectorization factor.
1397         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1398         dependences before alignment.
1399         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1400         Adjust prototype.
1401         (vect_analyze_data_refs): Likewise.
1402         (MAX_VECTORIZATION_FACTOR): New define.
1403
1404 2010-04-13  Duncan Sands  <baldrick@free.fr>
1405
1406         * except.h (lang_eh_type_covers): Remove.
1407         * except.c (lang_eh_type_covers): Likewise.
1408
1409 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1410             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1411
1412         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1413         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1414         UNITS_PER_LONG where it is ABI relevant.
1415         (s390_return_addr_rtx): Likewise.
1416         (s390_back_chain_rtx): Likewise.
1417         (s390_frame_area): Likewise.
1418         (s390_frame_info): Likewise.
1419         (s390_initial_elimination_offset): Likewise.
1420         (save_gprs): Likewise.
1421         (s390_emit_prologue): Likewise.
1422         (s390_emit_epilogue): Likewise.
1423         (s390_function_arg_advance): Likewise.
1424         (s390_function_arg): Likewise.
1425         (s390_va_start): Likewise.
1426         (s390_gimplify_va_arg): Likewise.
1427         (s390_function_profiler): Likewise.
1428         (s390_optimize_prologue): Likewise.
1429         (s390_rtx_costs): Likewise.
1430         (s390_secondary_reload): Likewise.
1431         (s390_promote_function_mode): Likewise.
1432         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1433         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1434         registers available.
1435         (s390_unwind_word_mode): New function.
1436         (s390_function_value): Split 64 bit values into register pair if
1437         used as return value.
1438         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1439         function call parameters.  Handle parallels.
1440         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1441         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1442         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1443         (s390_expand_setmem): Remove unused variable src_addr.
1444         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1445         deal with 64 bit registers.
1446         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1447         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1448         (UNITS_PER_LONG): New macro.
1449         * libjava/include/s390-signal.h: Define extended ucontext
1450         structure containing the upper halfs of the 64 bit registers.
1451
1452 2010-04-13  Simon Baldwin  <simonb@google.com>
1453
1454         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1455
1456 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1457
1458         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1459         rvalue on the RHS if the LHS is of a non-renamable type.
1460         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1461
1462 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1463
1464         * gcc.c (cc1_options): Handle -iplugindir before processing
1465         the cc1 spec. Only add -iplugindir once.
1466         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1467         found.
1468         * common.opt (iplugindir): Remove `Separate' property, initialize.
1469         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1470         option.
1471         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1472         (distclean): Remove plugin dir.
1473         * doc/invoke.texi: Document -iplugindir.
1474
1475 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1476
1477         * doc/plugins.texi (Loading Plugins): Document short
1478         -fplugin=foo option.
1479         (Plugin API): Mention default_plugin_dir_name function.
1480
1481         * gcc.c (find_file_spec_function): Add new declaration.
1482         (static_spec_func): Use it for "find-file".
1483         (find_file_spec_function): Add new function.
1484         (cc1_options): Add -iplugindir option if -fplugin* options found.
1485
1486         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1487
1488         * plugin.c (add_new_plugin): Updated comment, and handle short
1489         plugin name.
1490         (default_plugin_dir_name): Added new function.
1491
1492         * common.opt (iplugindir): New option to set the plugin directory.
1493
1494 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1495
1496         * config/i386/i386.md (any_rotate): New code iterator.
1497         (rotate_insn): New code attribute.
1498         (rotate): Ditto.
1499         (SWIM124): New mode iterator.
1500         (<rotate_insn>ti3): New expander.
1501         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1502         any_rotate code iterator.
1503         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1504         using any_rotate code iterator and SWIM124 mode iterator.
1505         (ix86_rotlti3): New insn_and_split pattern.
1506         (ix86_rotrti3): Ditto.
1507         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1508         ix86_rotl{di,ti}3 patterns.
1509         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1510         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1511         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1512         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1513         code iterator and SWI mode iterator.
1514         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1515         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1516         code iterator.
1517         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1518         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1519         (bswap rotatert splitter): Add splitter.
1520         (bswap splitter): Macroize splitter using any_rotate code iterator.
1521         Add insn predicate to split only for TARGET_USE_XCHGB or when
1522         optimizing function for size.
1523
1524 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1525
1526         * config/pa/pa.c (emit_move_sequence): Remove use of
1527         deleted variable flag_argument_noalias.
1528
1529 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1530
1531         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1532         configurations.
1533         Add to unsupported targets list.
1534         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1535         sparc*-sun-solaris2.[567]* from target lists.
1536         * configure: Regenerate.
1537         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1538         removal.
1539         Remove Solaris 7 patch references.
1540         (Specific, sparc-sun-solaris2.7): Removed.
1541         (sparc-sun-solaris2*): Update Solaris 7 example.
1542         (sparc64-*-solaris2*): Likewise.
1543
1544 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1545
1546         * config.build (alpha*-dec-osf4*): Remove.
1547         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1548         of obsolete configurations.
1549         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1550         support.
1551         * config/alpha/t-osf4: Renamed to ...
1552         * config/alpha/t-osf5: ... this.
1553         * config/alpha/osf.h: Renamed to ...
1554         * config/alpha/osf5.h: ... this.
1555         Merged old osf5.h contents.
1556         Update comments.
1557         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1558         (EXTRA_SPECS): Removed.
1559         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1560         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1561         Document that.
1562
1563 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1564
1565         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1566
1567 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1568
1569         PR/43702
1570         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1571         __thiscall convention.
1572
1573 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1574
1575         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1576         orig_base.
1577         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1578
1579 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1580
1581         * function.c (assign_parms_initialize_all): Add unused attribute
1582         to fntype.
1583
1584 2010-04-12  Richard Guenther  <rguenther@suse.de>
1585
1586         * gsstruct.def (GSS_CALL): New.
1587         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1588         * gimple.h: Include tree-ssa-alias.h.
1589         (struct gimple_statement_call): New.
1590         (union gimple_statement_struct_d): Add gimple_call member.
1591         (gimple_call_reset_alias_info): Declare.
1592         (gimple_call_use_set): New function.
1593         (gimple_call_clobber_set): Likewise.
1594         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1595         * gimple.c (gimple_call_reset_alias_info): New function.
1596         (gimple_build_call_1): Call it.
1597         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1598         * tree-inline.c (remap_gimple_stmt): Likewise.
1599         (expand_call_inline): Remove callused handling.
1600         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1601         * tree-dfa.c (dump_variable): Likewise.
1602         * tree-parloops.c (parallelize_loops): Likewise.
1603         * tree-ssa.c (init_tree_ssa): Likewise.
1604         (delete_tree_ssa): Likewise.
1605         * tree-flow-inline.h (is_call_used): Remove.
1606         * tree-flow.h (struct gimple_df): Remove callused member.
1607         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1608         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1609         (ref_maybe_used_by_call_p_1): Simplify.
1610         (call_may_clobber_ref_p_1): Likewise.
1611         * tree-ssa-structalias.c (compute_points_to_sets): Set
1612         the call stmt used and clobbered sets.
1613         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1614         (find_tail_calls): Verify the tail call.
1615
1616 2010-04-12  Richard Guenther  <rguenther@suse.de>
1617
1618         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1619         single-iteration always-inline inlining.
1620         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1621         (cgraph_decide_inlining): Do not handle always-inline specially.
1622         (try_inline): Remove always-inline cycle detection special case.
1623         Do not recurse on always-inlines.
1624         (cgraph_early_inlining): Do not iterate if not optimizing.
1625         (cgraph_gate_early_inlining): remove.
1626         (pass_early_inline): Run unconditionally.
1627         (gate_cgraph_decide_inlining): New function.
1628         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1629         not inlining or optimizing.
1630         (cgraph_decide_inlining_of_small_functions): Also consider
1631         always-inline functions.
1632         (cgraph_default_inline_p): Return true for nodes which should
1633         disregard inline limits.
1634         (estimate_function_body_sizes): Assume zero size and time for
1635         nodes which are marked as disregarding inline limits.
1636         (cgraph_decide_recursive_inlining): Do not perform recursive
1637         inlining on always-inline nodes.
1638
1639 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1640
1641         PR bootstrap/43699
1642         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1643         for exprs satisfying handled_component_p.
1644
1645 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1646
1647         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1648         non-constant aggregate elements.
1649
1650         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1651         is a real initialization.
1652
1653 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1654
1655         PR c/36774
1656         * c-decl.c (start_function): Move forward check for nested function.
1657
1658 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1659
1660         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1661         * config/sh/sh.c: Include reload.h.
1662         (sh_legitimize_reload_address): New.
1663         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1664         sh_legitimize_reload_address.
1665
1666 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1667
1668         * config/sh/sh.md (*movqi_pop): New insn pattern.
1669         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1670
1671 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1672
1673         * config/i386/i386.md (any_shiftrt): New code iterator.
1674         (shiftrt_insn): New code attribute.
1675         (shiftrt): Ditto.
1676         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1677         using any_shiftrt code iterator.
1678         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1679         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1680         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1681         pattern from corresponding peephole2 patterns.
1682         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1683         using any_shiftrt code iterator.
1684         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1685         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1686         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1687         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1688         *{ashr,lshr}<mode>3_cmp_zext.
1689         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1690
1691 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1692
1693         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1694         scratch register.
1695         (*lshr<mode>3_cconly): Ditto.
1696
1697 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1698
1699         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1700         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1701         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1702         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1703         DWI mode iterator.
1704         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1705         from corresponding peephole2 patterns.
1706         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1707         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1708         and *lshrdi3_1_rex64 using SWI mode iterator.
1709         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1710         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1711         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1712         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1713         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1714         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1715         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1716         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1717         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1718         SWI mode iterator.
1719
1720 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1721
1722         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1723         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1724         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1725         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1726         DWI mode iterator.
1727         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1728         from corresponding peephole2 patterns.
1729         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1730         (ashrsi3_cvt): Rename from ashrsi3_31.
1731         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1732         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1733         and x86_64_shift_adj_3 using SWI48 mode iterator.
1734         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1735         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1736         and *ashrdi3_1_rex64 using SWI mode iterator.
1737         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1738         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1739         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1740         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1741         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1742         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1743         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1744         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1745         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1746         SWI mode iterator.
1747         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1748         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1749         x86_shift<mode>_adj_3 expanders.
1750
1751 2010-04-10  Wei Guozhi  <carrot@google.com>
1752
1753         PR target/42601
1754         * config/arm/arm.c (arm_pic_static_addr): New function.
1755         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1756         a static symbol.
1757         (arm_output_addr_const_extra): Output expression for new pattern.
1758         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1759
1760 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1761
1762         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1763         not enabled.
1764
1765         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1766         * web.c: Include "insn-config.h" and "recog.h".
1767         (union_match_dups): New function.
1768         (web_main): Call it.
1769         (union_defs): Don't try to recognize match_dups.
1770
1771         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1772         if doing so would replace the entire pattern.
1773
1774 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         PR target/43707
1777         PR target/43709
1778         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1779         and splitter pattern.  Change splitter operand 1 predicate to
1780         nonmemory_operand.
1781
1782 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1783
1784         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1785         lattices are addresses of CONST_DECLs with the same initial value.
1786         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1787         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1788
1789 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1790             Bernd Schmidt  <bernds@codesourcery.com>
1791
1792         * loop-invariant.c (replace_uses): New static function.
1793         (move_invariant_reg): Use it to ensure we can replace the uses.
1794
1795 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1796
1797         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1798         function template.
1799         (picochip_override_options): Enable section anchors only above -O1.
1800         (picochip_reorg): Fixed a couple of build warnings.
1801
1802 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1803
1804         * configure.ac (plugin -rdynamic test): Log result.
1805         * configure: Regenerate.
1806         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1807         (RDYNAMIC_SPEC): Define.
1808         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1809
1810 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1811
1812         * configure.ac: Determine Sun ld version numbers.
1813         (comdat_group): Restrict GNU ld version checks to gld.
1814         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1815         (enable_comdat): Support --enable-comdat.
1816         * configure: Regenerate.
1817         * doc/install.texi (Configuration): Document --enable-comdat.
1818
1819 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1820
1821         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1822         * config/sol2-gld.h: ... here.
1823         * config.gcc (sparc*-*-solaris2*): Reflect this.
1824         (i[34567]86-*-solaris2*): Use it.
1825
1826 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1827
1828         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1829         setup_clocks_p.
1830         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1831
1832 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1833
1834         PR 42965
1835         * diagnostic.c (diagnostic_initialize): Initialize
1836         some_warnings_are_errors.
1837         (diagnostic_finish): New.
1838         (diagnostic_action_after_output): Call it before exiting.
1839         (diagnostic_report_diagnostic): Do not print message here. Set
1840         some_warnings_are_errors.
1841         * diagnostic.h (diagnostic_context): Delete
1842         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1843         (diagnostic_finish): Declare.
1844         * toplev.c (toplev_main): Call it before exit.
1845
1846 2010-04-09  Jason Merrill  <jason@redhat.com>
1847
1848         PR c++/42623
1849         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1850         for incomplete type.
1851
1852         PR c++/41788
1853         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1854         based on a warning flag.
1855
1856 2010-04-09  Richard Guenther  <rguenther@suse.de>
1857
1858         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1859
1860 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1861
1862         PR bootstrap/43684
1863         * varasm.c (default_assemble_visibility): Wrap vars that are
1864         set, but unused, by targets without GAS.
1865         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1866         Remove set, but unused, vars.
1867         (rs6000_legitimize_tls_address): Likewise.
1868         (altivec_expand_dst_builtin): Likewise.
1869         * config/darwin.c (machopic_classify_symbol): Likewise.
1870         (machopic_indirection_name): Likewise.
1871
1872 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1873
1874         * config/i386/i386.md (DWI): New mode iterator.
1875         (S): New mode attribute.
1876         (shift_operand): Ditto.
1877         (shift_immediate_operand): Ditto.
1878         (ashl_input_operand): Ditto.
1879         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1880         using SDWIM mode iterator.
1881         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1882         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1883         DWI mode iterator.
1884         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1885         from corresponding peephole2 patterns.
1886         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1887         and x86_64_shift_adj_1 using SWI48 mode iterator.
1888         (x86_shift<mode>_adj_2): Ditto.
1889         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1890         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1891         using SWI48 mode iterator.
1892         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1893         *ashldi3_cmp_rex64 using SWI mode iterator.
1894         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1895         *ashldi3_cconly_rex64 using SWI mode iterator.
1896         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1897         x86_shift<mode>_adj_{1,2}.
1898         (ix86_split_ashr): Ditto.
1899         (ix86_split_lshr): Ditto.
1900
1901 2010-04-09  Richard Guenther  <rguenther@suse.de>
1902
1903         * target.h (builtin_conversion): Pass in input and output types.
1904         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1905         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1906         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1907         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1908
1909         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1910         Handle AVX modes.
1911         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1912
1913 2010-04-09  Richard Guenther  <rguenther@suse.de>
1914
1915         PR target/43152
1916         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1917
1918 2010-04-09  Richard Guenther  <rguenther@suse.de>
1919
1920         * tree-vectorizer.h (struct _stmt_vec_info): Document
1921         that vectype is the type of the LHS.
1922         (supportable_widening_operation, supportable_narrowing_operation):
1923         Get both input and output vector types as arguments.
1924         (vect_is_simple_use_1): Declare.
1925         (get_same_sized_vectype): Likewise.
1926         * tree-vect-loop.c (vect_determine_vectorization_factor):
1927         Set STMT_VINFO_VECTYPE to the vector type of the def.
1928         (vectorizable_reduction): Adjust.
1929         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1930         Adjust.  Specify the output vector type.
1931         (vect_pattern_recog_1): Adjust.
1932         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1933         (vectorizable_call): Adjust.
1934         (vectorizable_conversion): Likewise.
1935         (vectorizable_operation): Likewise.
1936         (vectorizable_type_demotion): Likewise.
1937         (vectorizable_type_promotion): Likewise.
1938         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1939         the def.
1940         (vect_is_simple_use_1): New function.
1941         (supportable_widening_operation): Get both input and output
1942         vector types.
1943         (supportable_narrowing_operation): Likewise.
1944         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1945
1946 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1947
1948         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1949         __thiscall and _thiscall as predefined macros.
1950         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1951         thiscall attribute handling.
1952         (ix86_comp_type_attributes): Likewise.
1953         (ix86_function_regparm): Likewise.
1954         (ix86_return_pops_args): Likewise.
1955         (init_cumulative_args): Likewise.
1956         (find_drap_reg): Likewise.
1957         (ix86_static_chain): Likewise.
1958         (x86_this_parameter): Likewise.
1959         (x86_output_mi_thunk): Likewise.
1960         (ix86_attribute_table): Add description for thiscall attribute.
1961         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1962         * doc/extend.texi: Add documentation for thiscall.
1963
1964 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1965
1966         PR c++/28584
1967         * c.opt (Wint-to-pointer-cast): Available in C++.
1968         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1969
1970 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1971
1972         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1973         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1974         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1975         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1976         function type instead.  Reorder and simplify checks.
1977
1978         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1979
1980 2010-04-08  Jing Yu  <jingyu@google.com>
1981             Zdenek Dvorak  <ook@ucw.cz>
1982
1983         PR tree-optimization/42720
1984         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1985         loop unswitch conditions here from ...
1986         (tree_unswitch_single_loop): ... here.
1987
1988 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1989
1990         * tree-if-conv.c: Fix comments and simplify logic.
1991
1992 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1995         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1996         (main_tree_if_conversion): Update call to tree_if_conversion.
1997
1998 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1999
2000         PR 42485
2001         * doc/invoke.texi (-b,-V): Delete.
2002         * doc/tm.texi: Do not mention -b.
2003         * gcc.c (display_help): Delete -b and -V.
2004         (process_command): Delete -b and -V.
2005         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2006
2007 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2008             Wolfgang Gellerich  <gellerich@de.ibm.com>
2009
2010         Implement target hook for loop unrolling
2011         * target.h (loop_unroll_adjust): Add a new target hook function.
2012         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2013         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2014         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2015         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2016         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2017         target hook.
2018         (decide_unroll_stupid): Likewise.
2019
2020 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2021
2022         PR target/43643
2023         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2024
2025 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2026
2027         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2028         (Specific, *-*-solaris2*): Likewise.
2029         Don't prefer Sun as over GNU as.
2030
2031 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2032
2033         * config/s390/s390.c (override_options): Adjust the z10
2034           defaults for max-unroll-times, max-completely-peeled-insns
2035           and max-completely-peel-times.
2036
2037 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2038
2039         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2040         instructions for z10.
2041         (s390_expand_setmem): Likewise.
2042         (s390_expand_cmpmem): Likewise.
2043
2044 2010-04-08  Richard Guenther  <rguenther@suse.de>
2045
2046         PR tree-optimization/43679
2047         * tree-ssa-pre.c (eliminate): Only propagate copies.
2048
2049 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR bootstrap/43681
2052         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2053         set but not used variable warning.
2054
2055 2010-04-08  Wei Guozhi  <carrot@google.com>
2056
2057         PR target/41653
2058         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2059         (arm_size_rtx_costs): Call the new function when optimized for size.
2060
2061 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2062
2063         PR debug/43670
2064         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2065         op0 is not a MEM, just return NULL instead of assertion
2066         failure.
2067         (discover_nonconstant_array_refs): Don't walk debug stmts.
2068
2069 2010-04-08  Doug Kwan  <dougkwan@google.com>
2070
2071         * configure.ac: Recognize gold and do not use its version number
2072         to test ld features.
2073         * configure: Regenerate.
2074
2075 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2076
2077         PR middle-end/40815
2078         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2079         (negate_value): Move code to push elements to broken_up_substracts ...
2080         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2081         negative pair to plus_negates.
2082         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2083
2084 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2085
2086         * doc/install.texi (Configuration): Move description of
2087         --enable-lto, --with-libelf*, --enable-gold from Java section to
2088         general section.
2089
2090         * doc/generic.texi (Working with declarations)
2091         (Function Properties, C and C++ Trees): Fix typos.
2092         * doc/sourcebuild.texi (Top Level): Likewise.
2093
2094 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR c/18624
2097         * tree.h (DECL_READ_P): Define.
2098         (struct tree_decl_common): Add decl_read_flag.
2099         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2100         a set but not used warning.
2101         (merge_decls): Merge DECL_READ_P flag.
2102         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2103         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2104         * c-common.c (handle_used_attribute, handle_unused_attribute):
2105         Likewise.
2106         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2107         New prototypes.
2108         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2109         New functions.
2110         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2111         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2112         c_parser_binary_expression, c_parser_cast_expression,
2113         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2114         Call default_function_array_read_conversion instead of
2115         default_function_array_conversion where needed.
2116         (c_parser_unary_expression, c_parser_conditional_expression,
2117         c_parser_postfix_expression_after_primary, c_parser_initelt):
2118         Likewise.  Call mark_exp_read where needed.
2119         (c_parser_statement_after_labels, c_parser_asm_operands,
2120         c_parser_typeof_specifier, c_parser_sizeof_expression,
2121         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2122         where needed.
2123         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2124         New.
2125         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2126         (warn_unused_but_set_parameter): Default to warn_unused
2127         && extra_warnings.
2128         * doc/invoke.texi: Document -Wunused-but-set-variable and
2129         -Wunused-but-set-parameter.
2130
2131         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2132         used count variable.
2133         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2134         when operandN variables aren't used in the body of the expander
2135         or splitter.
2136         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2137         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2138         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2139         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2140         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2141         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2142         * tree.c (PROCESS_ARG): Likewise.
2143
2144 2010-04-07  Simon Baldwin  <simonb@google.com>
2145
2146         * diagnostic.h (diagnostic_override_option_index): New macro to
2147         set a diagnostic's option_index.
2148         * c-tree.h (c_cpp_error): Add warning reason argument.
2149         * opts.c (_warning_as_error_callback): New.
2150         (register_warning_as_error_callback): Store callback for
2151         warnings enabled via enable_warning_as_error.
2152         (enable_warning_as_error): Call callback, minor code tidy.
2153         * opts.h (register_warning_as_error_callback): Declare.
2154         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2155         response to -Werror=.
2156         (c_common_init_options): Register warning_as_error_callback in opts.c.
2157         * common.opt: Add -Wno-cpp option.
2158         * c-common.c (struct reason_option_codes_t): Map cpp warning
2159         reason codes to gcc option indexes.
2160         * (c_option_controlling_cpp_error): New function, lookup the gcc
2161         option index for a cpp warning reason code.
2162         * (c_cpp_error): Add warning reason argument, call
2163         c_option_controlling_cpp_error for diagnostic_override_option_index.
2164         * doc/invoke.texi: Document -Wno-cpp.
2165
2166 2010-04-07  Richard Guenther  <rguenther@suse.de>
2167
2168         * ipa-reference.c (mark_load): Use get_base_address.
2169         (mark_store): Likewise.
2170
2171         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2172         inserting GIMPLE_NOPs into the IL.
2173         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2174         Explicitly strip handled components and indirect references.
2175
2176         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2177         folding address expressions.
2178         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2179         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2180         operand_equal_p to compare decls.
2181         (ptr_deref_may_alias_decl_p): Likewise.
2182         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2183         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2184         Handle reversed comparison ops.
2185         * tree-sra.c (asm_visit_addr): Use get_base_address.
2186         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2187         * ipa-reference.c (mark_address): Use get_base_address.
2188
2189 2010-04-07  Richard Guenther  <rguenther@suse.de>
2190
2191         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2192         Propagate constants everywhere.
2193
2194 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2195
2196         PR debug/43516
2197         * tree.c (MAX_INT_CACHED_PREC): Define.
2198         (nonstandard_integer_type_cache): New array.
2199         (build_nonstandard_integer_type): Cache results for precision
2200         <= MAX_INT_CACHED_PREC.
2201
2202 2010-04-07  Richard Guenther  <rguenther@suse.de>
2203
2204         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2205         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2206         * common.opt: Likewise.
2207         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2208         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2209         (nonoverlapping_memrefs_p): Likewise.
2210         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2211         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2212         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2213         OPT_fargument_noalias_global for backward compatibility.
2214
2215 2010-04-07  Richard Guenther  <rguenther@suse.de>
2216
2217         PR tree-optimization/43270
2218         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2219         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2220         * tree-ssa-pre.c (phi_translate_1): Adjust.
2221         (fully_constant_expression): Split out vn_reference handling to ...
2222         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2223         Fold reads from constant strings.
2224         (vn_reference_lookup): Handle fully constant references.
2225         (vn_reference_lookup_pieces): Likewise.
2226         * Makefile.in (expmed.o-warn): Add -Wno-error.
2227
2228 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2229
2230         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2231
2232 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2233
2234         PR driver/41594
2235         * gcc.c: Add -static-libstdc++ to list of recognized options.
2236
2237 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2238
2239         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2240
2241 2010-04-07  Richard Guenther  <rguenther@suse.de>
2242
2243         PR middle-end/42617
2244         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2245         bases build simple mem attributes to retain points-to information.
2246
2247 2010-04-07  Richard Guenther  <rguenther@suse.de>
2248
2249         PR middle-end/42617
2250         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2251         preserve points-to related information.
2252
2253 2010-04-07  Richard Guenther  <rguenther@suse.de>
2254
2255         PR middle-end/42617
2256         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2257         discard plain indirect references.
2258         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2259         * tree.c (tree_nop_conversion): Likewise.
2260
2261 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2262
2263         PR debug/43628
2264         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2265
2266 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2267
2268         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2269         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2270
2271 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2272
2273         * tree-if-conv.c: Fix indentation and comments.
2274
2275 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * tree-if-conv.c: Sort static functions in topological order.
2278
2279 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2280
2281         * tree-if-conv.c: Fix indentation and comments.
2282
2283 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2284
2285         PR middle-end/43519
2286         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2287         lang_hooks.types.type_for_size instead of
2288         build_nonstandard_integer_type.
2289         When converting an unsigned type to signed, double its precision.
2290         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2291         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2292         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2293         use lb <= ub.
2294
2295 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         PR middle-end/43519
2298         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2299         POINTER_PLUS_EXPR for pointer types.
2300
2301 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         PR middle-end/43519
2304         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2305         * graphite-clast-to-gimple.c: Include langhooks.h.
2306         (max_signed_precision_type): New.
2307         (max_precision_type): Takes two types as arguments.
2308         (precision_for_value): New.
2309         (precision_for_interval): New.
2310         (gcc_type_for_interval): New.
2311         (gcc_type_for_value): New.
2312         (gcc_type_for_clast_term): New.
2313         (gcc_type_for_clast_red): New.
2314         (gcc_type_for_clast_bin): New.
2315         (gcc_type_for_clast_expr): Split up into several functions.
2316         (gcc_type_for_clast_eq): Rewritten.
2317         (compute_bounds_for_level): New.
2318         (compute_type_for_level_1): New.
2319         (compute_type_for_level): New.
2320         (gcc_type_for_cloog_iv): Removed.
2321         (gcc_type_for_iv_of_clast_loop): Rewritten.
2322         (graphite_create_new_loop): Compute the lower and upper bound types
2323         with gcc_type_for_clast_expr.
2324         (graphite_create_new_loop_guard): Same.
2325         (find_cloog_iv_in_expr): Removed.
2326         (compute_cloog_iv_types_1): Removed.
2327         (compute_cloog_iv_types): Removed.
2328         (gloog): Do not call compute_cloog_iv_types.
2329         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2330         GBB_CLOOG_IV_TYPES.
2331         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2332         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2333         (GBB_CLOOG_IV_TYPES): Removed.
2334
2335 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2336
2337         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2338         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2339         (detect_commutative_reduction): Same.
2340
2341 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2342
2343         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2344         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2345         argument.
2346         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2347         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2348         (rewrite_commutative_reductions_out_of_ssa): Same.
2349         * passes.c (execute_function_todo): Call verify_ssa for every pass
2350         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2351         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2352         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2353         with an extra argument.
2354         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2355         verify_ssa only when the extra argument is true.
2356         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2357         with an extra argument.
2358         (tree_transform_and_unroll_loop): Same.
2359
2360 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2361
2362         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2363         for all the passes of the LNO having LOOP_CLOSED_SSA.
2364         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2365         * tree-loop-distribution.c (pass_loop_distribution): Same.
2366         * tree-pass.h (TODO_verify_loops): Removed.
2367         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2368         (pass_lim): Same.
2369         (pass_tree_unswitch): Same.
2370         (pass_predcom): Same.
2371         (pass_vectorize): Same.
2372         (pass_linear_transform): Same.
2373         (pass_graphite_transforms): Same.
2374         (pass_iv_canon): Same.
2375         (pass_complete_unroll): Same.
2376         (pass_complete_unrolli): Same.
2377         (pass_parallelize_loops): Same.
2378         (pass_loop_prefetch): Same.
2379         (pass_iv_optimize): Same.
2380
2381 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2382
2383         PR middle-end/32824
2384         * passes.c (init_optimization_passes): Move pass_lim before
2385         pass_copy_prop and pass_dce_loop.
2386
2387 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2388
2389         PR target/43667
2390         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2391         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2392         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2393         MULTI_* defines for 4 argument vpermil2p* builtins.
2394
2395 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2396
2397         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2398         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2399         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2400         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2401         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2402         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2403         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2404         Use x86_maybe_negate_const_int to output insn mnemonic.
2405         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2406         check from instruction predicate.  Update comments.
2407         * config/i386/sync.md (sync_add<mode>): Use
2408         x86_maybe_negate_const_int to output insn mnemonic.
2409
2410 2010-04-06  Jan Hubicka  <jh@suse.cz>
2411
2412         PR tree-optimization/42906
2413         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2414         IGNORE_SELF argument.  Set visited_control_parents for fully
2415         processed BBs.
2416         (find_obviously_necessary_stmts): Update call of
2417         mark_control_dependent_edges_necessary.
2418         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2419
2420 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2421
2422         * config/i386/i386.md: Remove comment about 'e' and 'E'
2423         operand modifier.
2424
2425 2010-04-06  Richard Guenther  <rguenther@suse.de>
2426
2427         PR tree-optimization/43627
2428         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2429         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2430         not varying.
2431
2432 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2433
2434         * BASE-VER: Change to 4.6.0.
2435
2436         PR target/43638
2437         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2438         handling.
2439
2440 2010-04-06  Richard Guenther  <rguenther@suse.de>
2441
2442         PR middle-end/43661
2443         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2444
2445 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2446
2447         * doc/invoke.texi (Optimize Options): Document that LTO
2448         won't remove object access purely due to incompatible
2449         declarations.
2450
2451 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2452
2453         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2454         Initialize variable.
2455
2456 2010-04-03  Richard Guenther  <rguenther@suse.de>
2457
2458         PR middle-end/42509
2459         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2460         require a non-NULL MEM_OFFSET.
2461
2462 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2463
2464         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2465         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2466         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2467         config/alpha/predicates.md, config/arm/arm.md,
2468         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2469         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2470         config/darwin9.h, config/darwin.c, config/darwin.h,
2471         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2472         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2473         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2474         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2475         config/mips/mips.md, config/mn10300/mn10300.c,
2476         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2477         config/rs6000/aix.h, config/rs6000/dfp.md,
2478         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2479         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2480         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2481         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2482         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2483         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2484         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2485         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2486         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2487         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2488         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2489         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2490         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2491         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2492         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2493         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2494         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2495         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2496         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2497         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2498         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2499         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2500         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2501         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2502         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2503         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2504         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2505         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2506         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2507         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2508         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2509         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2510         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2511         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2512         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2513         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2514
2515 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2516
2517         PR other/43620
2518         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2519         * aclocal.m4: Regenerate.
2520
2521 2010-04-02  Richard Guenther  <rguenther@suse.de>
2522
2523         PR tree-optimization/43629
2524         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2525         if we have seen a constant value.
2526
2527 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2528
2529         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2530
2531 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2532
2533         PR target/43469
2534         * arm.c (legitimize_tls_address): Adjust call to
2535         gen_tls_load_dot_plus_four.
2536         (arm_note_pic_base): New function.
2537         (arm_cannot_copy_insn_p): Use it.
2538         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2539         constraint.
2540
2541 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2542
2543         PR bootstrap/43531
2544
2545         Revert:
2546         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2547
2548         * Makefile.in ($(out_object_file)): Depend on
2549         gt-$(basename $(notdir $(out_file))).h.
2550
2551 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2552
2553         * config.gcc (lm32-*-rtems*): Add t-lm32.
2554
2555 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2556
2557         * config.gcc: Add lm32-*-rtems*.
2558         * config/lm32/rtems.h: New file.
2559
2560 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2561
2562         PR target/42609
2563         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2564
2565 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2566
2567         * dwarf2out.c (output_compilation_unit_header): For
2568         -gdwarf-4 use version 4 instead of version 3.
2569         (output_line_info): For version 4 and above emit additional
2570         maximum ops per insn header field.
2571         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2572
2573         * dwarf2out.c (is_c_family, is_java): Remove.
2574         (lower_bound_default): New function.
2575         (add_bound_info, gen_descr_array_type_die): Use it.
2576
2577 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2578
2579         PR debug/43325
2580         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2581         re-declaration when it happens in a function.
2582
2583 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2584
2585         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2586         (cgraph_remove_function_insertion_hook): Same.
2587         (cgraph_call_function_insertion_hooks): Same.
2588
2589 2010-04-01  Richard Guenther  <rguenther@suse.de>
2590
2591         PR middle-end/43614
2592         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2593         and TREE_THIS_VOLATILE.
2594         (copy_ref_info): Likewise.
2595         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2596         * tree.c (build6_stat): Ignore side-effects of all but arg5
2597         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2598         TARGET_MEM_REF.
2599
2600 2010-04-01  Richard Guenther  <rguenther@suse.de>
2601
2602         PR tree-optimization/43607
2603         * ipa-type-escape.c (check_call): Do not access non-existing
2604         arguments.
2605
2606 2010-04-01  Richard Guenther  <rguenther@suse.de>
2607
2608         PR middle-end/43602
2609         Revert
2610         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2611                     Jack Howarth <howarth@bromo.med.uc.edu>
2612
2613         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2614         variables TLS.
2615
2616 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2617
2618         * doc/install.texi (Prerequisites): Document libelf usability on
2619         IRIX 5/6 and Solaris 2.
2620         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2621         Update GNU as, GNU ld requirements.
2622         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2623         Document Sun Studio compiler download.
2624         Update and simplify as, ld recommendations.
2625         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2626
2627 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2628
2629         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2630         with_tune_32 to pentium4.
2631
2632 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2633
2634         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2635
2636 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2637
2638         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2639         obsoletion, removal.
2640         Update IDO URL.
2641         Document GNU as requirement.
2642         Update configure requirements.
2643         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2644         Recomment IRIX 6.5.18+.
2645         Document IDF/IDL requirement.
2646         Document GNU as requirement.
2647         Document GNU ld bootstrap failure.
2648         Remove freeware.sgi.com reference.
2649
2650 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2651
2652         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2653         UNIX V4.0, V5.0 obsoletion, removal.
2654         Remove --with-gc=simple reference.
2655         Update VM requirements during bootstrap.
2656         Remove -oldas bootstrap description.
2657         Update binutils reference.
2658         Remove comparison failure note.
2659
2660 2010-03-31  Richard Guenther  <rguenther@suse.de>
2661             Zdenek Dvorak  <ook@ucw.cz>
2662             Sebastian Pop  <sebastian.pop@amd.com>
2663
2664         PR middle-end/43464
2665         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2666         with multiple arguments.
2667         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2668
2669 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2670
2671         * graphite-dependences.c (print_pddr): Call print_pdr with an
2672         extra argument.
2673         * graphite-poly.c (debug_pdr): Add an extra argument for the
2674         verbosity level.
2675         (print_pdr): Same.
2676         (print_pbb_domain): Same.
2677         (print_pbb): Same.
2678         (print_scop_context): Same.
2679         (print_scop): Same.
2680         (print_cloog): Same.
2681         (debug_pbb_domain): Same.
2682         (debug_pbb): Same.
2683         (print_pdrs): Same.
2684         (debug_pdrs): Same.
2685         (debug_scop_context): Same.
2686         (debug_scop): Same.
2687         (debug_cloog): Same.
2688         (print_scop_params): Same.
2689         (debug_scop_params): Same.
2690         (print_iteration_domain): Same.
2691         (print_iteration_domains): Same.
2692         (debug_iteration_domain): Same.
2693         (debug_iteration_domains): Same.
2694         (print_scattering_function): Same.
2695         (print_scattering_functions): Same.
2696         (debug_scattering_function): Same.
2697         (debug_scattering_functions): Same.
2698         * graphite-poly.h (debug_pdr): Update declaration.
2699         (print_pdr): Same.
2700         (print_pbb_domain): Same.
2701         (print_pbb): Same.
2702         (print_scop_context): Same.
2703         (print_scop): Same.
2704         (print_cloog): Same.
2705         (debug_pbb_domain): Same.
2706         (debug_pbb): Same.
2707         (print_pdrs): Same.
2708         (debug_pdrs): Same.
2709         (debug_scop_context): Same.
2710         (debug_scop): Same.
2711         (debug_cloog): Same.
2712         (print_scop_params): Same.
2713         (debug_scop_params): Same.
2714         (print_iteration_domain): Same.
2715         (print_iteration_domains): Same.
2716         (debug_iteration_domain): Same.
2717         (debug_iteration_domains): Same.
2718         (print_scattering_function): Same.
2719         (print_scattering_functions): Same.
2720         (debug_scattering_function): Same.
2721         (debug_scattering_functions): Same.
2722
2723 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2724
2725         * graphite-poly.c (print_scattering_function_1): New.
2726         (print_scattering_function): Call it.
2727         (print_scop_params): Remove spaces at the end of lines.
2728         (print_cloog): New.
2729         (debug_cloog): New.
2730         * graphite-poly.h (print_cloog): Declared.
2731         (debug_cloog): Declared.
2732
2733 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2734
2735         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2736         in loop->header.
2737         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2738         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2739         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2740         to switch between adding the IV bump in loop->latch or in loop->header.
2741
2742 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-poly.c (print_scattering_function): Pretty print following
2745         the scoplib format.
2746         (print_pdr): Same.
2747         (print_pbb_domain): Same.
2748         (dump_gbb_cases): Same.
2749         (dump_gbb_conditions): Same.
2750         (print_pdrs): Same.
2751         (print_pbb): Same.
2752         (print_scop_params): Same.
2753         (print_scop_context): Same.
2754         (print_scop): Same.
2755         (print_pbb_body): New.
2756         (lst_indent_to): New.
2757         (print_lst): Start new lines with a #.
2758         * graphite-poly.h (pbb_bb): New.
2759         (pbb_index): Use pbb_bb.
2760         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2761         disjuncts.
2762         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2763
2764 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2765
2766         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2767         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2768         and 0 instead of 1 for dw_val_class_flag.
2769         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2770         dw_val_class_range_list, dw_val_class_loc_list,
2771         dw_val_class_lineptr and dw_val_class_macptr, use
2772         DW_FORM_flag_present for dw_val_class_flag and
2773         DW_FORM_exprloc for dw_val_class_loc.
2774         (output_die): For -gdwarf-4 print dw_val_class_loc
2775         size as uleb128 instead of 1 or 2 bytes and don't print
2776         anything for dw_val_class_flag.
2777
2778         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2779         instead of cselib_lookup following by tweaking locs->setting_insn.
2780
2781         PR bootstrap/43596
2782         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2783         even before returning from label, setjmp call or volatile asm
2784         handling.
2785
2786 2010-03-31  Richard Guenther  <rguenther@suse.de>
2787
2788         PR middle-end/43600
2789         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2790         temporary data on stack.
2791
2792 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2793
2794         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2795         (PUSHSECTION_ASM_OP): Remove.
2796         (POPSECTION_ASM_OP): Remove.
2797         (PUSHSECTION_FORMAT): Remove.
2798         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2799         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2800         * config/sol2.c (solaris_output_init_fini): Use it.
2801
2802 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2803
2804         PR 43574
2805         * opt-functions.awk (var_type_struct): Use signed char type
2806         for simple variables.
2807
2808 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2809
2810         * config/sol2.c: Include output.h.
2811         (solaris_assemble_visibility): New function.
2812         * config/t-sol2 (sol2.o): Add output.h dependency.
2813         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2814         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2815         Redefine.
2816
2817 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2818
2819         PR target/43580
2820         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2821         V2SImode or XFmode on PRE_DEC.
2822
2823         PR debug/43557
2824         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2825         BLKmode.
2826
2827 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2828
2829         PR 43562
2830         * reload.h (caller_save_initialized_p): Declare.
2831         * toplev.c (backend_init_target): Don't call
2832         init_caller_save but set caller_save_initialized_p to false.
2833         * caller-save.c (caller_save_initialized_p): Define.
2834         (init_caller_save): Check caller_save_initialized_p.
2835         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2836
2837 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2838
2839         PR target/39048
2840         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2841         and soft-fp/t-softfp to tmake_file.
2842         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2843         (LIBGCC2_TF_CEXT): Define.
2844         (TF_SIZE): Define.
2845
2846 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2847
2848         PR debug/42977
2849         * cselib.c (n_useless_values): Document handling of debug locs.
2850         (n_useless_debug_values, n_debug_values): New variables.
2851         (new_elt_loc_list): Don't add to debug values, keep count.
2852         (promote_debug_loc): New.
2853         (cselib_reset_table): Zero new variables.
2854         (entry_and_rtx_equal_p): Promote debug locs.
2855         (discard_useless_locs): Increment n_useless_debug_values for
2856         debug values.
2857         (remove_useless_values): Adjust n_useless_values and n_debug_values
2858         with n_useless_debug_values.
2859         (add_mem_for_addr): Promote debug locs.
2860         (cselib_lookup_mem): Likewise.
2861         (cselib_lookup_addr): Renamed to...
2862         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2863         (cselib_log_lookup): ... this.  Turn into...
2864         (cselib_lookup_addr): ... new wrapper.
2865         (cselib_lookup_from_insn): New.
2866         (cselib_invalidate_regno): Increment n_useless_debug_values for
2867         debug values.
2868         (cselib_invalidate_mem): Likewise.
2869         (cselib_process_insn): Take n_deleted and n_debug_values into
2870         account to guard remove_useless_value call.
2871         (cselib_finish): Zero n_useless_debug_values.
2872         * cselib.h (cselib_lookup_from_insn): Declare.
2873         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2874         (sched_analyze_2): Likewise.
2875
2876 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2877
2878         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2879         functions.
2880         (adjust_mems): Replace narrowing SUBREG of expression containing
2881         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2882         with operations in the narrower mode.
2883
2884         PR debug/43593
2885         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2886         regs_invalidated_by_call instead all call_used_reg_set registers.
2887
2888 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         PR middle-end/43430
2891         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2892         pointer comparisons with types_compatible_p.
2893         * tree-vect-stmts.c (vectorizable_call): Same.
2894         (vectorizable_condition): Same.
2895
2896 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2897
2898         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2899         stack check if the mask would be zero.
2900
2901 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2902             Jack Howarth <howarth@bromo.med.uc.edu>
2903
2904         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2905         variables TLS.
2906
2907 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2908
2909         PR other/25232
2910         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2911         and __unordtf2.
2912         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2913         Include ___unordxf2 and ___unordtf2.
2914         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2915         GCC_4.4.0 here.
2916
2917 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2918
2919         * config/lm32/t-lm32: New file.
2920         * config.gcc: Use the above file when targetting lm32.
2921
2922 2010-03-28  Duncan Sands  <baldrick@free.fr>
2923
2924         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2925
2926 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2927
2928         PR middle-end/43431
2929         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2930         Improve vectorization cost model diagnostic.
2931
2932 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2933
2934         PR middle-end/43436
2935         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2936         compute_data_dependences_for_loop returns false, early exit
2937         and output an extra diagnostic for the failed data reference
2938         analysis.
2939
2940 2010-03-29  Richard Guenther  <rguenther@suse.de>
2941
2942         PR tree-optimization/43560
2943         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2944         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2945
2946 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2947
2948         PR 43564
2949         * toplev.c (process_options): Set optimization_default_node
2950         and optimization_current_node.
2951         * opts.c (decode_options): Don't set optimization_default_node
2952         and optimization_current_node.
2953
2954 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2955
2956         * config/rtems.h: Abandon -qrtems_debug.
2957
2958 2010-03-28  Jan Hubicka  <jh@suse.cz>
2959
2960         PR tree-optimization/43505
2961         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2962         map should not be copied.
2963
2964 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2965
2966         PR middle-end/41674
2967         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2968         cdtors, set DECL_PRESERVE_P.
2969         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2970         should be preseved.
2971
2972 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2973
2974         PR tree-optimization/43528
2975         * stor-layout.c (place_field): Check that constant fits into
2976         unsigned HWI when skipping calculation of MS bitfield layout.
2977
2978 2010-03-27  Jan Hubicka  <jh@suse.cz>
2979
2980         PR middle-end/43391
2981         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2982         notice_global_symbol work.
2983
2984 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2985
2986         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2987         instead of dwarf2out_decl.
2988         (struct var_loc_node): Remove section_label field.
2989         (dwarf2out_function_decl): New function.
2990         (dwarf2out_var_location): Don't set section_label field.
2991         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2992
2993 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2994
2995         PR tree-optimization/43544
2996         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2997         First argument for builtin vectorized function hook is now a
2998         tree to be able to distinguish between machine specific and
2999         standard builtins.
3000         * targhooks.c (default_builtin_vectorized_function): Ditto.
3001         * targhooks.h (default_builtin_vectorized_function): Ditto.
3002         * target.h (struct gcc_target): Ditto.
3003         * tree-vect-stmts.c (vectorizable_function): Ditto.
3004         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3005         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3006         Ditto.
3007
3008 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3009
3010         PR c/43381
3011         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3012         nested binding iff it is a FUNCTION_DECL.
3013         (store_parm_decls_newstyle): Pass nested=true to bind for
3014         FUNCTION_DECLs amongst parameters.
3015
3016 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3017
3018         * var-tracking.c (vt_expand_loc_callback): Don't run
3019         cselib_expand_value_rtx_cb in dummy mode if
3020         cselib_dummy_expand_value_rtx_cb returned false.
3021
3022         * var-tracking.c (emit_note_insn_var_location): For one part
3023         notes with offset 0, don't add EXPR_LIST around the location.
3024         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3025         add_location_or_const_value_attribute): Adjust for that change.
3026
3027         PR debug/43540
3028         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3029         into first operand and location into second.
3030         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3031         dw_cfi_oprnd_loc for DW_CFA_expression.
3032         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3033         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3034         assume first argument is regnum and second argument is location.
3035
3036 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3037
3038         PR target/42113
3039         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3040         of scratch register to DImode.  Split to DImode comparison operator.
3041         Use SImode subreg of scratch register in the multiplication.
3042         (*cmp_sadd_sidi): Ditto.
3043         (*cmp_ssub_si): Ditto.
3044         (*cmp_ssub_sidi): Ditto.
3045
3046 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3047
3048         PR target/43524
3049         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3050         Remove invalid assert and wrong comment.
3051
3052 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3053
3054         PR debug/43516
3055         * flags.h (final_insns_dump_p): New extern.
3056         * final.c (final_insns_dump_p): New variable.
3057         (rest_of_clean_state): Set it before -fdump-final-insns=
3058         dumping, clear afterwards.
3059         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3060         MEM_ALIAS_SET on MEMs.
3061
3062 2010-03-26  David S. Miller  <davem@davemloft.net>
3063
3064         * configure.ac: Fix sparc GOTDATA_OP bug check.
3065         * configure: Rebuild.
3066
3067 2010-03-26  Alan Modra  <amodra@gmail.com>
3068
3069         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3070
3071 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3072
3073         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3074         TLS_SECTION_ASM_FLAG.
3075
3076 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR bootstrap/43511
3079         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3080         Clear first_function_block_is_cold.
3081
3082         PR c/43385
3083         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3084         argument if the argument is truth_value_p.
3085
3086 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3087
3088         * config/rs6000/constraints.md: Update copyright year for my changes.
3089
3090         PR target/43484
3091         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3092         used in reg+reg addressing, swap registers.
3093
3094 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3095
3096         PR debug/43293
3097         * target.h (struct gcc_target): Add code_end hook.
3098         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3099         if not yet defined.
3100         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3101         * toplev.c (compile_file): Call targetm.asm_out.code_end
3102         hook before unwind info/debug info output.
3103         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3104         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3105         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3106         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3107         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3108         * config/i386/i386.c (ix86_file_end): Renamed to...
3109         (ix86_code_end): ... this.  Make static.  Don't call
3110         file_end_indicate_exec_stack.  Emit unwind info using
3111         final_start_function/final_end_function.
3112         (darwin_x86_file_end): Remove.
3113         (TARGET_ASM_CODE_END): Define.
3114         * config/i386/i386.h (TARGET_ASM_FILE_END,
3115         NEED_INDICATE_EXEC_STACK): Don't define.
3116         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3117         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3118         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3119         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3120
3121         PR target/43498
3122         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3123         at the beginning and final_end_function at the end.
3124         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3125
3126 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3127
3128         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3129         and Sun as TLS syntax.
3130         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3131         * configure: Regenerate.
3132         * config.in: Regenerate.
3133         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3134         (default_elf_asm_named_section): Use it.
3135         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3136         (i386_output_dwarf_dtprel): Likewise.
3137         (output_addr_const_extra): Likewise.
3138         (output_pic_addr_const): Lowercase @GOTTPOFF.
3139         (output_addr_const_extra): Likewise.
3140         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3141         (output_addr_const_extra): Likewise.
3142         (output_pic_addr_const): Lowercase @INDNTPOFF.
3143         (output_addr_const_extra): Likewise.
3144         (output_pic_addr_const): Lowercase @NTPOFF.
3145         (output_addr_const_extra): Likewise.
3146         (output_pic_addr_const): Lowercase @TPOFF.
3147         (output_addr_const_extra): Likewise.
3148         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3149         (*tls_global_dynamic_64): Likewise.
3150         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3151         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3152
3153         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3154         (ASM_OUTPUT_TLS_COMMON): Use it.
3155         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3156
3157         PR target/38118
3158         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3159         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3160         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3161         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3162         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3163         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3164
3165 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3166
3167         * config/i386/i386.c (override_options): Don't accept
3168         -mtls-dialect=sun any longer.
3169         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3170         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3171         (*tls_local_dynamic_base_32_sun): Likewise.
3172         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3173
3174 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3175
3176         PR debug/43508
3177         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3178         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3179
3180         PR debug/43479
3181         * ira.c (adjust_cleared_regs): New function.
3182         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3183
3184         PR debug/19192
3185         PR debug/43479
3186         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3187         from gimple_block.
3188         * expr.c (expand_expr_real): Restore previous
3189         curr_insn_source_location and curr_insn_block after
3190         expand_expr_real_1 call.
3191         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3192         instead of expand_expr_real_1.
3193
3194 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3195
3196         PR rtl-optimization/43413
3197         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3198         hard regs too.
3199
3200 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3201
3202         PR target/43348
3203         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3204         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3205
3206 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3207
3208         * config/i386/i386.c (ix86_target_string): Add -mfma.
3209         Fix a typo in comment.
3210
3211 2010-03-22  Mike Stump  <mikestump@comcast.net>
3212
3213         PR target/23071
3214         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3215         Don't overly align based upon packed packed fields.
3216
3217 2010-03-22  Jason Merrill  <jason@redhat.com>
3218
3219         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3220         Use () rather than [], and move before the element type.
3221
3222 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3223
3224         * doc/configfiles.texi (Configuration Files): Removed
3225         fixinc/Makefile*, intl/Makefile.*.
3226         * doc/makefile.texi: Fixed markup. Abstract from version
3227         control system used.
3228         (Makefile): Removed obsolete gcc/java/parse.y example.
3229         * doc/sourcebuild.texi: Likewise.
3230         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3231         libgomp, libssp.  Removed fastjar.
3232         (Miscellaneous Docs): Clarify location.
3233         Added COPYING3, COPYING3.LIB.
3234         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3235
3236 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3237
3238         PR target/38085
3239         * config/i386/i386.c (x86_function_profiler)
3240         [!NO_PROFILE_COUNTERS]: Fix typo.
3241         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3242         instead of callq.
3243
3244 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3245             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3246
3247         * doc/sourcebuild.texi (Test Directives): Split into six
3248         subsections, with most of the current text in new subsections
3249         Directives, Selectors, and Final Actions.
3250         (Directives): Split list of test directives into multiple
3251         subsubsections.
3252         (Selectors): Describe use and syntax of selectors.
3253         (Effective-Target Keywords): Describe all existing keywords.
3254         (Add Options): Describe features for dg-add-options.
3255         (Require Support): Describe variants of dg-require-support.
3256         (Final Actions): Describe commands to use in dg-final.
3257
3258 2010-03-22  Michael Matz  <matz@suse.de>
3259
3260         PR middle-end/43475
3261         * recog.c (validate_replace_rtx_group): Replace also in
3262         REG_EQUAL and REG_EQUIV notes.
3263
3264 2010-03-22  Richard Guenther  <rguenther@suse.de>
3265
3266         PR tree-optimization/43390
3267         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3268         sure vector extracts are type correct.
3269
3270 2010-03-22  Richard Guenther  <rguenther@suse.de>
3271
3272         PR middle-end/40106
3273         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3274         x * sqrt (x) even when optimizing for size if the target
3275         has native support for sqrt.
3276
3277 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3278
3279         * varasm.c (make_decl_rtl_for_debug): Also clear
3280         flag_mudflap for the duration of make_decl_rtl call.
3281
3282         PR debug/43443
3283         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3284         locs from preserved VALUEs.
3285
3286 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3287
3288         PR middle-end/42718
3289         * pa.md (movmemsi): Set align to one if zero.
3290         (movmemdi): Likewise.
3291
3292 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3293
3294         PR target/42321
3295         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3296         with their corresponding prologue pushes.
3297
3298 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3299
3300         PR target/43156
3301         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3302         at the begining or end.
3303         (spu_expand_epilogue): Likewise.
3304
3305 2010-03-20  Richard Guenther  <rguenther@suse.de>
3306
3307         PR rtl-optimization/43438
3308         * combine.c (make_extraction): Properly zero-/sign-extend an
3309         extraction of the low part of a CONST_INT.  Also handle
3310         CONST_DOUBLE.
3311
3312 2010-03-19  Mike Stump  <mikestump@comcast.net>
3313
3314         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3315         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3316         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3317
3318 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3319
3320         PR c/43211
3321         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3322         an error.
3323
3324 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3325
3326         PR rtl-optimization/42258
3327         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3328         use that may match DEF.
3329
3330         PR target/40697
3331         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3332         the cost of loading the constant rather than assuming
3333         COSTS_N_INSNS (1).
3334         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3335         outer code is AND, do the same tests as the andsi3 expander and
3336         return COSTS_N_INSNS (1) if and is cheap.
3337
3338         * optabs.c (avoid_expensive_constant): Fix formatting.
3339
3340 2010-03-19  Michael Matz  <matz@suse.de>
3341
3342         PR c++/43116
3343         * attribs.c (decl_attributes): When rebuilding a function pointer
3344         type use the same qualifiers as the original pointer type.
3345
3346 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3347
3348         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3349         and is_gimple_ip_invariant_address.
3350
3351 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3352
3353         Revert
3354         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3355
3356         * config/arm/arm.c (arm_override_options): Turn off
3357         flag_dwarf2_cfi_asm for AAPCS variants.
3358
3359 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3360
3361         PR target/43399
3362         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3363         Use PRE_MODIFY instead of PRE_DEC.
3364         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3365         (vfp_emit_fstmd): Likewise.
3366
3367 2010-03-19  Michael Matz  <matz@suse.de>
3368
3369         PR target/43305
3370         * builtins.c (expand_builtin_interclass_mathfn,
3371         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3372         if that fails.
3373
3374 2010-03-19  Richard Guenther  <rguenther@suse.de>
3375
3376         PR tree-optimization/43415
3377         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3378         (phi_translate_1): ... this.
3379         (phi_translate): Move all caching here.  Cache all NARY
3380         and REFERENCE translations.
3381
3382 2010-03-19  David S. Miller  <davem@davemloft.net>
3383
3384         With help from Eric Botcazou.
3385         * config/sparc/sparc.c: Include dwarf2out.h.
3386         (emit_pic_helper): Delete.
3387         (pic_helper_symbol_name): Delete.
3388         (pic_helper_emitted_p): Delete.
3389         (pic_helper_needed): New.
3390         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3391         (get_pc_thunk_name): New.
3392         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3393         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3394         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3395         (sparc_expand_prologue): Update load_pic_register call.
3396         (sparc_output_mi_thunk): Likewise.
3397         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3398         thunk if possible.  Output CFI information as needed.
3399
3400 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3401             Jack Howarth <howarth@bromo.med.uc.edu>
3402
3403         PR target/36399
3404         * config/i386/i386.h: Fix ABI on darwin x86-32.
3405
3406 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3407
3408         * tree.h: Declare make_decl_rtl_for_debug.
3409         * varasm.c (make_decl_rtl_for_debug): New.
3410         * dwarf2out.c (rtl_for_decl_location): Call it.
3411         * cfgexpand.c (expand_debug_expr): Call it.
3412
3413 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3414
3415         PR bootstrap/43399
3416         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3417         mem_mode.
3418
3419         PR bootstrap/43403
3420         * var-tracking.c (vt_init_cfa_base): Do nothing if
3421         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3422
3423 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3424
3425         PR debug/42873
3426         * var-tracking.c (canonicalize_vars_star): New.
3427         (dataflow_post_merge_adjust): Use it.
3428
3429 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3430
3431         PR debug/43058
3432         * var-tracking.c (non_suitable_const): New function.
3433         (add_uses): For DEBUG_INSNs with constants, don't record any
3434         value, instead just the constant value itself.
3435         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3436         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3437         (emit_notes_in_bb): Likewise.
3438         (emit_note_insn_var_location): For onepart variables if
3439         cur_loc is a VOIDmode constant, use DECL_MODE.
3440
3441 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3442
3443         PR middle-end/42450
3444         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3445         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3446         all non-clones.  Moved call redirection...
3447         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3448         (cgraph_materialize_all_clones): Dispose of all
3449         combined_args_to_skip bitmaps.
3450         (verify_cgraph_node): Do not check for edges pointing to wrong
3451         nodes in inline clones.
3452         * tree-inline.c (copy_bb): Call
3453         cgraph_redirect_edge_call_stmt_to_callee.
3454         * ipa.c (cgraph_remove_unreachable_nodes): Call
3455         cgraph_node_remove_callees even when there are used clones.
3456
3457 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3458
3459         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3460
3461 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3462
3463         PR target/43383
3464         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3465         for 32bit.
3466
3467 2010-03-18  Michael Matz  <matz@suse.de>
3468
3469         PR middle-end/43419
3470         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3471         into sqrt(x) if we need to preserve signed zeros.
3472
3473 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3474             Eric Botcazou  <ebotcazou@adacore.com>
3475
3476         PR rtl-optimization/43360
3477         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3478         note if we don't know its invariant status.
3479
3480 2010-03-18  Michael Matz  <matz@suse.de>
3481
3482         PR tree-optimization/43402
3483         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3484         PHI chains of ssa names registered for update.
3485
3486 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3487
3488         PR target/42427
3489         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3490         non-offsettable and pre_modify update addressing.
3491         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3492         and "2" alternatives "#".
3493         (*movdd_softfloat32): Make all alternatives "#";
3494         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3495         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3496         (*movdf_softfloat32): Make all alternatives "#";
3497         (movdi): Use the new DIFD mode iterator to create a common splitter
3498         for movdi, movdf and movdd patterns.
3499
3500 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3501
3502         * common.opt (dumpdir): Remove redundant tab.
3503
3504 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3505
3506         PR tree-optimization/43347
3507         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3508         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3509
3510 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3511
3512         PR rtl-optimization/42216
3513         * regrename.c (create_new_chain): New function, broken out from...
3514         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3515         appending a use to an empty chain.
3516         (build_def_use): Remove previous changes that convert OP_INOUT to
3517         OP_OUT operands; instead detect the case where an OP_INOUT operand
3518         uses a previously untracked register and create an empty chain for it.
3519
3520 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3521
3522         * doc/extend.texi (Function Attributes): Rewrite unfinished
3523         sentence in ms_abi documentation.
3524
3525 2010-03-17  Alan Modra  <amodra@gmail.com>
3526
3527         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3528         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3529         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3530         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3531
3532 2010-03-16  Richard Henderson  <rth@redhat.com>
3533
3534         PR middle-end/43365
3535         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3536         (lower_try_finally): Save and restore eh_seq around the expansion
3537         of the try-finally.
3538
3539 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3540
3541         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3542         statements before splitting block.
3543
3544 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3545
3546         * doc/sourcebuild.texi (Testsuites): Fix markup.
3547         Use pathnames relative to gcc/testsuite.
3548         (Test Directives): Move description of how timeout is determined.
3549         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3550         (C Tests): Correct gcc.misc-tests directory.
3551         Framework tests now live in gcc.test-framework.
3552
3553 2010-03-16  Richard Guenther  <rguenther@suse.de>
3554
3555         PR middle-end/43379
3556         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3557         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3558
3559 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3560             Alexandre Oliva  <aoliva@redhat.com>
3561
3562         PR tree-optimization/42917
3563         * lambda-code.c (remove_iv): Skip debug statements.
3564         (lambda_loopnest_to_gcc_loopnest): Likewise.
3565         (not_interesting_stmt): Debug statements are not interesting.
3566
3567 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3568
3569         PR debug/43051
3570         PR debug/43092
3571         * cselib.c (cselib_preserve_constants,
3572         cfa_base_preserved_val): New static variables.
3573         (preserve_only_constants): New function.
3574         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3575         clear its REG_VALUES.  If cselib_preserve_constants, don't
3576         empty the whole hash table, but preserve there VALUEs with constants,
3577         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3578         (cselib_preserve_cfa_base_value): New function.
3579         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3580         (cselib_init): Change argument to int bitfield.  Set
3581         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3582         is in it.
3583         (cselib_finish): Clear cselib_preserve_constants and
3584         cfa_base_preserved_val.
3585         * cselib.h (enum cselib_record_what): New enum.
3586         (cselib_init): Change argument to int.
3587         (cselib_preserve_cfa_base_value): New prototype.
3588         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3589         * dse.c (dse_step1): Likewise.
3590         * cfgcleanup.c (thread_jump): Likewise.
3591         * sched-deps.c (sched_analyze): Likewise.
3592         * gcse.c (local_cprop_pass): Likewise.
3593         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3594         If FN is non-NULL, call the callback always and whenever it returns
3595         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3596         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3597         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3598         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3599         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3600         * var-tracking.c: Include recog.h.
3601         (bb_stack_adjust_offset): Remove.
3602         (vt_stack_adjustments): Don't call it, instead just gather the
3603         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3604         (adjust_stack_reference): Remove.
3605         (compute_cfa_pointer): New function.
3606         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3607         (struct adjust_mem_data): New type.
3608         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3609         functions.
3610         (get_address_mode): New function.
3611         (replace_expr_with_values): Use it.
3612         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3613         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3614         (adjust_sets): Remove.
3615         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3616         Use get_address_mode.
3617         (get_adjusted_src): Remove.
3618         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3619         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3620         (add_with_sets): Don't call adjust_sets.
3621         (fp_setter, vt_init_cfa_base): New functions.
3622         (vt_initialize): Change return type to bool.  Move most of pool etc.
3623         initialization to the beginning of the function from end.  Pass
3624         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3625         If !frame_pointer_needed, call vt_stack_adjustment before mos
3626         vector is filled, call vt_init_cfa_base if argp/framep has been
3627         eliminated to sp.  If frame_pointer_needed and argp/framep has
3628         been eliminated to hard frame pointer, set
3629         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3630         encountering fp setter in the prologue.  For MO_ADJUST, call
3631         log_op_type before pusing the op into mos vector, not afterwards.
3632         Call adjust_insn before cselib_process_insn/add_with_sets,
3633         call cancel_changes (0) afterwards.
3634         (variable_tracking_main_1): Adjust for vt_initialize calling
3635         vt_stack_adjustments and returning whether it succeeded or not.
3636
3637 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3638
3639         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3640         debug statements.
3641
3642 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3643
3644         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3645         has been set.
3646         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3647         drap_reg has not been set.
3648
3649 2010-03-15  Michael Matz  <matz@suse.de>
3650
3651         PR middle-end/43300
3652         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3653         use it to expand block copies.
3654         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3655         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3656         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3657
3658 2010-03-15  Richard Guenther  <rguenther@suse.de>
3659
3660         PR tree-optimization/43367
3661         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3662         elimination check.
3663
3664 2010-03-15  Richard Guenther  <rguenther@suse.de>
3665
3666         PR tree-optimization/43317
3667         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3668
3669 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3670
3671         PR tree-optimization/43141
3672         * tree-sra.c (create_abstract_origin): New function.
3673         (modify_function): Call create_abstract_origin.
3674
3675 2010-03-15  Chris Demetriou  <cgd@google.com>
3676
3677         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3678         wasn't copied.
3679
3680 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         PR middle-end/43354
3683         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3684         call insert_out_of_ssa_copy for default definitions.
3685
3686 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3687
3688         * graphite-clast-to-gimple.c (my_long_long): Defined.
3689         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3690         * graphite-sese-to-poly.c (my_long_long): Defined.
3691         (scop_ivs_can_be_represented): Use it.
3692
3693 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3694
3695         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3696         graphite-max-bbs-per-function, and loop-block-tile-size.
3697         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3698         with "maximum".
3699         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3700
3701 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3704         forward declaration.
3705         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3706         (add_upper_bounds_from_estimated_nit): New.
3707         (build_loop_iteration_domains): Use it.
3708
3709 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3712
3713 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         PR middle-end/43306
3716         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3717         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3718
3719 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3720
3721         * graphite.c (graphite_initialize): To bound the number of bbs per
3722         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3723         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3724         * doc/invoke.texi: Document it.
3725
3726 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3727
3728         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3729         * graphite-sese-to-poly.h (build_poly_scop): Same.
3730
3731 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3732
3733         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3734         the number of parameters in the scop.  Use as an upper bound
3735         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3736         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3737         * doc/invoke.texi: Document it.
3738
3739 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3740
3741         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3742         * doc/c-tree.texi: Remove.
3743         * doc/generic.texi: Merge c-tree.texi here.
3744         * doc/gccint.texi (Trees): Remove menu entry.
3745         (c-tree.texi): Remove @include.
3746         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3747         * doc/languages.texi (Reading RTL): Ditto.
3748
3749 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3750
3751         PR target/42869
3752         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3753
3754 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3755
3756         PR middle-end/42431
3757         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3758         code added to work around reload clobbering CONST insns.
3759
3760 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3761
3762         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3763         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3764         (cselib_preserve_only_values): Remove retain argument, don't
3765         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3766         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3767         * var-tracking.c (micro_operation): Move insn field before union.
3768         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3769         (struct variable_tracking_info_def): Remove n_mos field, change
3770         mos into a vector of micro_operations.
3771         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3772         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3773         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3774         changing into a vector.
3775         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3776         come before all other uops generated by add_stores.
3777         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3778         argument removal.
3779         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3780         a vector.  Run just one pass over the bbs instead of separate counting
3781         and computation phase.
3782         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3783
3784         PR debug/43329
3785         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3786         into *nonlocalized_list vector.
3787         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3788         even if origin is non-NULL.
3789         (gen_variable_die): Likewise.
3790         (process_scope_var): Don't change origin.
3791         (gen_decl_die): Likewise.
3792         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3793         before adding new edges instead of after it, fix moving over
3794         debug stmts.
3795
3796 2010-03-11  David S. Miller  <davem@davemloft.net>
3797
3798         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3799         of four.
3800         * configure: Rebuild.
3801
3802 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3803
3804         PR tree-optimization/43257
3805         * tree.c (assign_assembler_name_if_neeeded): New function.
3806         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3807         above new function.
3808         * tree.h (assign_assembler_name_if_neeeded): Declare.
3809         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3810         the function if needed.
3811
3812 2010-03-11  Chris Demetriou  <cgd@google.com>
3813
3814         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3815         include/stdint-gcc.h, and include/stdint.h world-readable.
3816
3817 2010-03-11  Richard Guenther  <rguenther@suse.de>
3818
3819         PR tree-optimization/43255
3820         * tree-vrp.c (process_assert_insertions_for): Do not insert
3821         asserts for trivial conditions.
3822
3823 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3824
3825         PR tree-optimization/43280
3826         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3827         generation.  Move calculation of size out of the if branch.
3828         (find_bswap): Modify compare number generation.
3829
3830 2010-03-11  Richard Guenther  <rguenther@suse.de>
3831
3832         PR lto/43200
3833         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3834         (input_gimple_stmt): Fixup handled component types during
3835         operand read.  Also fix up decls in ADDR_EXPRs.
3836
3837 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3838
3839         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3840         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3841
3842 2010-03-10  Jan Hubicka  <jh@suse.cz>
3843
3844         PR c/43288
3845         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3846         * varasm.c (get_variable_section): Don't do that here...
3847         (make_decl_rtl): ... and here.
3848         (do_assemble_alias): Produce decl RTL.
3849         (assemble_alias): Likewise.
3850
3851 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3852
3853         PR debug/43290
3854         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3855         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3856         of fde->vdrap_reg.
3857         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3858         (based_loc_descr): Only express drap or vdrap regno based expressions
3859         using DW_OP_fbreg when not optimizing.
3860         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3861         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3862         REG_CFA_SET_VDRAP note.
3863
3864 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3865
3866         PR tree-optimization/43236
3867         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3868         error in calculation of base address in reverse iteration case.
3869         (generate_builtin): Take number of latch executions if the statement
3870         is in the latch.
3871
3872 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3873
3874         PR middle-end/42859
3875         * tree-eh.c: Include pointer-set.h.
3876         (lower_eh_dispatch): Filter out duplicate case labels and
3877         remove the unneeded edge when the label is unused.  Return
3878         true when some edges are removed.
3879         (execute_lower_eh_dispatch): When any lowering resulted in
3880         removing an edge, also delete unreachable blocks.
3881
3882 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3883
3884         PR bootstrap/43287
3885         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3886         UNSPEC_MACHOPIC_OFFSET.
3887
3888 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3889
3890         PR target/43294
3891         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3892         (m68k_delegitimize_address): New function.
3893
3894 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3895
3896         PR debug/43299
3897         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3898
3899         PR debug/43299
3900         * var-tracking.c (adjust_sets): New function.
3901         (count_with_sets, add_with_sets): Use it.
3902         (get_adjusted_src): New inline function.
3903         (add_stores): Use it.
3904
3905         PR debug/43304
3906         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3907         call cselib_dummy_expand_value_rtx_cb instead of
3908         cselib_expand_value_rtx_cb.
3909
3910         PR debug/43293
3911         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3912         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3913         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3914         and .cfi_endproc around the pic thunks.
3915         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3916         all queued unwind info register saves are saved before the call.
3917         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3918         considered as sp-=4 for unwind info and the pop as sp+=4 which
3919         also clobbers dest, but doesn't actually restore it.
3920
3921         PR debug/43290
3922         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3923         RTX_FRAME_RELATED_P.
3924
3925 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3926
3927         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3928         whitespaces in output template.
3929
3930 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3931
3932         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3933         out array boundary.
3934
3935 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3936
3937         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3938         builtins.exp in a separate job.
3939
3940 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3941
3942         * graphite-sese-to-poly.c (add_param_constraints): Use
3943         lower_bound_in_type and upper_bound_in_type.
3944
3945 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3946
3947         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3948         instead of unsigned_type_node.
3949
3950 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3951             Reza Yazdani  <reza.yazdani@amd.com>
3952
3953         PR middle-end/43065
3954         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3955         on pointer type parameters.
3956
3957 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3958
3959         PR middle-end/42644
3960         PR middle-end/42130
3961         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3962         handle conversions from pointer to integers.
3963         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3964         induction variable, to be able to work with code generated by CLooG.
3965         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3966         (build_poly_scop): Bail out if we cannot codegen a loop.
3967
3968 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3969
3970         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3971         code generation with gloog_error.
3972
3973 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3974
3975         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3976         Call fold_convert on all the returned values.
3977         (expand_scalar_variables_expr): Pass to
3978         expand_scalar_variables_ssa_name the type of the resulting expression.
3979
3980 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3981
3982         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3983         ppl_min_for_le_pointset.
3984         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3985         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3986
3987 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3988
3989         * graphite-dependences.c (map_into_dep_poly): Removed.
3990         (dependence_polyhedron_1): Use combine_context_id_scat.
3991
3992 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3993
3994         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3995         (struct poly_bb): Same.
3996         (combine_context_id_scat): New.
3997
3998 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3999
4000         PR middle-end/42326
4001         * sese.c (name_defined_in_loop_p): Return false for default
4002         definitions.
4003
4004 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4005
4006         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4007         and clean up the logic.
4008
4009 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
4010
4011         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4012         early return.
4013
4014 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
4015
4016         * var-tracking.c (remove_cselib_value_chains): Define only for
4017         ENABLE_CHECKING.
4018         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4019         delete_slot_part, emit_notes_for_differences_1): Don't call
4020         remove_cselib_value_chains here.
4021         (set_slot_part, emit_notes_for_differences_2): Don't call
4022         add_cselib_value_chains here.
4023         (preserved_values): New vector.
4024         (preserve_value): New function.
4025         (add_uses, add_stores, vt_add_function_parameters): Use it
4026         instead of cselib_preserve_value.
4027         (changed_values_stack): New vector.
4028         (check_changed_vars_0): New function.
4029         (check_changed_vars_1, check_changed_vars_2): Use it.
4030         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4031         changed_values_stack VALUEs.
4032         (vt_emit_notes): For all preserved_values call
4033         add_cselib_value_chains.  If ENABLE_CHECKING call
4034         remove_cselib_value_chains before verifying value_chains is empty.
4035         Initialize and free changed_values_stack.
4036         (vt_initialize): Initialize preserved_values.
4037         (vt_finalize): Free preserved_values.
4038
4039 2010-03-08  Richard Guenther  <rguenther@suse.de>
4040
4041         PR tree-optimization/43269
4042   &nb