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* c-parser.c (struct c_token): Move location field up.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
2
3         * c-parser.c (struct c_token): Move location field up.
4         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
5         (struct c_declspecs): Convert typespec_word, storage_class, and
6         default_int_p into bitfields.
7         (struct c_declarator): Move loc field up.
8
9 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
10
11         * cfgloop.h (struct loop): Move can_be_parallel field up.
12         * ipa-prop.h (struct ip_node_params): Move bitfields up.
13         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
14         down.
15         (struct iv_cand): Convert pos field into a bitfield.
16         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
17         field up.
18         (struct _stmt_vec_info): Shuffle fields for better packing.
19
20 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
21
22         * varasm.c (IN_NAMED_SECTION): Remove guard.
23         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
24         (IN_NAMED_SECTION_P): ...this.
25         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
26         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
27
28 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
29
30         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
31         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
32         of shadowing it.  Fix comments.
33
34 2010-04-26  Jan Hubicka  <jh@suse.cz>
35
36         * cgraph.c (cgraph_create_node): Set node frequency to normal.
37         (cgraph_clone_node): Copy function frequency.
38         * cgraph.h (node_frequency): New enum
39         (struct cgraph_node): Add.
40         * final.c (rest_of_clean_state): Update.
41         * lto-cgraph.c (lto_output_node): Output node frequency.
42         (input_overwrite_node): Input node frequency.
43         * tre-ssa-loop-ivopts (computation_cost): Update.
44         * lto-streamer-out.c (output_function): Do not output function
45         frequency.
46         * predict.c (maybe_hot_frequency_p): Update and handle functions
47         executed once.
48         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
49         attribute lookup.
50         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
51         (compute_function_frequency): Set noreturn functions to be executed
52         once.
53         (choose_function_section): Update.
54         * lto-streamer-in.c (input_function): Do not input function frequency.
55         * function.c (allocate_struct_function): Do not initialize function
56         frequency.
57         * function.h (function_frequency): Remove.
58         (struct function): Remove function frequency.
59         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
60         (try_update): Update.
61         * tree-inline.c (initialize_cfun): Do not update function frequency.
62         * passes.c (pass_init_dump_file): Update.
63         * i386.c (ix86_compute_frame_layout): Update.
64         (ix86_pad_returns): Update.
65
66 2010-04-26  Jie Zhang  <jie@codesourcery.com>
67
68         PR tree-optimization/43833
69         * tree-vrp.c (range_int_cst_p): New.
70         (range_int_cst_singleton_p): New.
71         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
72         when both operands are constants.  Use range_int_cst_p in
73         BIT_IOR_EXPR case.
74
75 2010-04-26  Jan Hubicka  <jh@suse.cz>
76
77         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
78
79 2010-04-26  Richard Guenther  <rguenther@suse.de>
80
81         PR lto/43080
82         * gimple.c (gimple_decl_printable_name): Deal gracefully
83         with a NULL DECL_NAME.
84
85 2010-04-26  Richard Guenther  <rguenther@suse.de>
86
87         PR lto/42425
88         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
89         if emitting debug information and it is either a function
90         or a namespace decl.
91
92 2010-04-26  Ira Rosen  <irar@il.ibm.com>
93
94         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
95         determine if the statement is vectorizable, and a macro to 
96         access it.
97         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
98         Skip statements that can't be vectorized. If the analysis 
99         fails, mark the statement as unvectorizable if vectorizing 
100         basic block.
101         (vect_compute_data_refs_alignment): Likewise.
102         (vect_verify_datarefs_alignment): Skip statements marked as 
103         unvectorizable. Add print.
104         (vect_analyze_group_access): Skip statements that can't be 
105         vectorized. If the analysis fails, mark the statement as 
106         unvectorizable if vectorizing basic block.
107         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
108         Likewise.
109         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
110         generated stmts for SLP.
111         (new_stmt_vec_info): Initialize the new field.
112         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
113         statements marked as unvectorizable.
114
115 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
116
117         * c-common.c (flag_isoc1x): New.
118         (flag_isoc99): Update comment.
119         * c-common.h (flag_isoc1x): New.
120         (flag_isoc99): Update comment.
121         * c-cppbuiltin.c (builtin_define_float_constants): Also define
122         __<type>_DECIMAL_DIG__.
123         * c-opts.c (set_std_c1x): New.
124         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
125         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
126         * c.opt (-std=c1x, -std=gnu1x): New options.
127         * doc/cpp.texi: Mention -std=c1x.
128         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
129         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
130         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
131         * doc/standards.texi: Mention C1X.
132         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
133         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
134         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
135         Define for C1X.
136
137 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
138
139         * config/i386/gmon-sol2.c (_mcleanup): Change format string
140         placeholder from 0x%x to %#x.
141         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
142         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
143         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
144         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
145         * config/i386/i386.c (ix86_target_string): Ditto.
146         (output_pic_addr_const): Ditto.
147         (print_operand): Ditto.
148
149 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
150
151         * combine.c (find_split_point): Add third argument.  Use it
152         to find nested multiply-accumulate instructions.  Adjust calls.
153         (try_combine): Adjust call to find_split_point.
154
155 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
156
157         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
158
159 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
160
161         PR tree-optimization/41442
162         * fold-const.c (merge_truthop_with_opposite_arm): New function.
163         (fold_binary_loc): Call it.
164
165 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
166
167         * toplev.c (general_init): Set default for fdiagnostics-show-option.
168         * opts.c (common_handle_option): Allow disabling it.
169         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
170
171 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
172
173         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
174         between modes if both types are integral.
175
176 2010-04-23  Richard Guenther  <rguenther@suse.de>
177
178         PR tree-optimization/43572
179         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
180
181 2010-04-23  Richard Guenther  <rguenther@suse.de>
182
183         PR lto/43455
184         * tree-inline.c (tree_can_inline_p): Also check compatibility
185         of return types.
186
187 2010-04-23  Martin Jambor  <mjambor@suse.cz>
188
189         PR tree-optimization/43846
190         * tree-sra.c (struct access): New flag grp_assignment_read.
191         (build_accesses_from_assign): Set grp_assignment_read.
192         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
193         (enum mark_read_status): New type.
194         (analyze_access_subtree): Propagate grp_assignment_read, create
195         accesses also if both direct_read and root->grp_assignment_read.
196
197 2010-04-23  Martin Jambor  <mjambor@suse.cz>
198
199         PR middle-end/43835
200         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
201         function does not have type attributes.
202
203 2010-04-23  Richard Guenther  <rguenther@suse.de>
204
205         PR lto/42653
206         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
207         of FUNCTION_DECLs.
208
209 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
210
211         * sese.h (create_if_region_on_edge): Remove.
212
213         * sese.c (create_if_region_on_edge): Make static.
214
215         * tree-inline.c: Do not include ggc.h.
216
217         * expr.c: Do not include ggc.h.
218
219         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
220         dependencies.
221
222 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
223
224         PR target/43744
225         * config/sh/sh.c (find_barrier): Don't emit a constant pool
226         in the middle of insns for casesi_worker_2.
227
228 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
229
230         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
231
232 2010-04-22  Ira Rosen  <irar@il.ibm.com>
233
234         PR tree-optimization/43842
235         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
236         loop unrolling in update of exit phis. Fix comment.
237         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
238         least two reduction statements in the loop before starting SLP
239         analysis.
240
241 2010-04-22  Nick Clifton  <nickc@redhat.com>
242
243         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
244
245 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
246
247         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
248         to simplify a + ~a.
249
250 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
251
252         * tree-parloops.c (loop_parallel_p): New argument
253         parloop_obstack.  Pass it down.
254         (parallelize_loops): New variable parloop_obstack.  Initialize it,
255         pass it down, free it.
256
257         * tree-loop-linear.c (linear_transform_loops): Pass down
258         lambda_obstack.
259
260         * tree-data-ref.h (lambda_compute_access_matrices): New argument
261         of type struct obstack *.
262
263         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
264         scratch_obstack.  Initialize it, pass down, free it.
265
266         * lambda.h (lambda_loop_new): Remove.
267         (lambda_matrix_new, lambda_matrix_inverse)
268         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
269         argument of type struct obstack *.
270
271         * lambda-trans.c (lambda_trans_matrix_new): New argument
272         lambda_obstack.  Pass it down, use obstack allocation for ret.
273         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
274         it down.
275
276         * lambda-mat.c (lambda_matrix_get_column)
277         (lambda_matrix_project_to_null): Remove.
278         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
279         allocation for mat.
280         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
281         lambda_obstack.
282
283         * lambda-code.c (lambda_loop_new): New function.
284         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
285         (lambda_compute_auxillary_space, lambda_compute_target_space)
286         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
287         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
288         (build_access_matrix): New argument lambda_obstack.  Use obstack
289         allocation for am.
290         (lambda_compute_step_signs, lambda_compute_access_matrices): New
291         argument lambda_obstack.  Pass it down.
292
293 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
294
295         * optabs.h (expand_widening_mult): Declare.
296
297 2010-04-22  Richard Guenther  <rguenther@suse.de>
298
299         PR tree-optimization/43845
300         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
301         lookup the CALL_EXPR function and arguments.
302
303 2010-04-22  Nick Clifton  <nickc@redhat.com>
304
305         * config/stormy16/stormy16.c
306         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
307         * config/stormy16/stormy16.h: Tidy up formatting.
308         (DONT_USE_BUILTIN_SETJMP): Remove definition.
309         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
310         (ineqbranchsi): Delete pattern.
311         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
312         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
313         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
314         stormy16-lib2-ucmpsi2.c.
315
316 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
317
318         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
319         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
320         extra set merge_set_noclobber, and use it to relax the final test
321         slightly.
322         * df.h (df_simulate_find_noclobber_defs): Declare.
323         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
324         conditional defs.
325         (df_simulate_find_noclobber_defs): New function.
326
327 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
328
329         * config/i386/i386.md: Use {} around multi-line preparation statements.
330
331 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
332
333         * c-tree.h (push_init_level, pop_init_level, set_init_index)
334         (process_init_element): New argument of type struct obstack *.
335
336         * c-typeck.c (push_init_level, pop_init_level, set_designator)
337         (set_init_index, set_init_label, set_nonincremental_init)
338         (set_nonincremental_init_from_string, find_init_member)
339         (output_init_element, output_pending_init_elements)
340         (process_init_element): New argument braced_init_obstack.  Pass it
341         down.
342         (push_range_stack, add_pending_init): New argument
343         braced_init_obstack.  Use obstack allocation.
344
345         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
346         braced_init_obstack.  Pass it down.
347         (c_parser_braced_init): New variables ret, braced_init_obstack.
348         Initialize obstack, pass it down and finally free it.
349
350 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
351
352         PR middle-end/29274
353         * tree-pass.h (pass_optimize_widening_mul): Declare.
354         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
355         gate_optimize_widening_mul): New static functions.
356         (pass_optimize_widening_mul): New.
357         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
358         <case MULT_EXPR>: Remove support for widening multiplies.
359         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
360         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
361         simplify_gen_unary rather than directly building extensions.
362         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
363         WIDEN_MULT_EXPR.
364         * expmed.c (expand_widening_mult): New function.
365         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
366
367 2010-04-21  Jan Hubicka  <jh@suse.cz>
368
369         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
370         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
371         * lto-wpa-fixup.c: Remove.
372         * Makefile.in (lto-wpa-fixup.o): Remove.
373         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
374         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
375         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
376
377 2010-04-21  Jan Hubicka  <jh@suse.cz>
378
379         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
380         add write_optimization_summary, read_optimization_summary.
381         (ipa_write_summaries_of_cgraph_node_set): Remove.
382         (ipa_write_optimization_summaries): Declare.
383         (ipa_read_optimization_summaries): Declare.
384         * ipa-cp.c (pass_ipa_cp): Update.
385         * ipa-reference.c (pass_ipa_reference): Update.
386         * ipa-pure-const.c (pass_ipa_pure_const): Update.
387         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
388         Update.
389         * ipa-inline.c (pass_ipa_inline): Update.
390         * ipa.c (pass_ipa_whole_program): Update.
391         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
392         * passes.c (ipa_write_summaries_1): Do not test wpa.
393         (ipa_write_optimization_summaries_1): New.
394         (ipa_write_optimization_summaries): New.
395         (ipa_read_summaries): Do not test ltrans.
396         (ipa_read_optimization_summaries_1): New.
397         (ipa_read_optimization_summaries): New.
398
399 2010-04-21  Jan Hubicka  <jh@suse.cz>
400
401         * lto-cgraph.c (lto_output_node): Do not output comdat groups
402         for boundary nodes.
403         (output_cgraph): Do not arrange comdat groups for boundary nodes.
404
405 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
406
407         PR debug/40040
408         * dwarf2out.c (add_name_and_src_coords_attributes): Add
409         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
410
411 2010-04-21  Jan Hubicka  <jh@suse.cz>
412
413         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
414
415 2010-04-21  Jan Hubicka  <jh@suse.cz>
416
417         * varpool.c (decide_is_variable_needed): Variable is always needed
418         during ltrans.
419
420 2010-04-21  Jan Hubicka  <jh@suse.cz>
421
422         * opts.c (decode_options): Enable pure-const pass for whopr.
423
424 2010-04-21  Jan Hubicka  <jh@suse.cz>
425
426         * cgraph.c (dump_cgraph_node): Dump also assembler name.
427         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
428         at WPA dumping.
429         (cgraph_decide_inlining): Do not expect callee to be removed in all
430         cases.
431
432 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
433
434         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
435
436 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
437
438         * config/i386/i386.md (x86_shrd): Add athlon_decode and
439         amdfam10_decode attributes.
440
441 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
442
443         PR middle-end/43570
444         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
445         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
446         (lower_copyprivate_clauses): Use private var in outer
447         context instead of original var.  Make sure the types
448         are correct for VLAs.
449
450 2010-04-21  Richard Guenther  <rguenther@suse.de>
451
452         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
453         to non-pointer objects.
454
455 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
456
457         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
458         last chain entry if it starts with the still current label.
459         (add_location_or_const_value_attribute): Check that
460         loc_list->first->next is NULL instead of comparing ->first with ->last.
461         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
462         to add_var_loc_to_decl.
463
464         * dwarf2out.c (output_call_frame_info): For dw_cie_version
465         >= 4 add also address size and segment size fields into CIE header.
466
467         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
468         long as address size is the same as sizeof (void *) and
469         segment size is 0.
470         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
471         address size or segment size is unexpected, return DW_EH_PE_omit.
472         (classify_object_over_fdes): If get_cie_encoding returned
473         DW_EH_PE_omit, return -1.
474         (init_object): If classify_object_over_fdes returned -1,
475         pretend there were no FDEs at all.
476
477 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
478
479         * config/i386/i386.md (bswap<mode>2): Macroize expander from
480         bswap{si,di}2 using SWI48 mode iterator.
481         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
482         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
483         set modrm attribute of bswap insn to 0 and remove length attribute.
484         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
485         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
486         set mode attribute to <MODE> and remove length attribute.
487
488 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
489
490         PR rtl-optimization/43520
491         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
492         zero available registers.
493
494 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
495
496         * builtins.c (fold_builtin_cproj): Fold more cases.
497
498 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
499
500         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
501         (fold_builtin_1): Fold builtin cproj.
502         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
503         Use ATTR_CONST_NOTHROW_LIST.
504
505 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
506
507         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
508         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
509         ffsi2_no_cmove for !TARGET_CMOVE.
510         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
511         (ffssi2): Remove expander.
512         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
513         mode iterator.
514         (ctz<mode>2): Ditto from ctz{si,di}2.
515         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
516         mode iterator.
517         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
518         mode iterator.
519
520 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
521
522         * dwarf2out.c (AT_linkage_name): Define.
523         (clone_as_declaration): Handle DW_AT_linkage_name.
524         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
525         of DW_AT_MIPS_linkage_name.
526         (move_linkage_attr): Likewise.
527         (dwarf2out_finish): Likewise.
528
529 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
530
531         PR middle-end/41952
532         * fold-const.c (fold_comparison): New folding rule.
533
534 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
535
536         * double-int.h (double_int_setbit): Declare.
537         * double-int.c (double_int_setbit): New function.
538         * rtl.h (immed_double_int_const): Declare.
539         * emit-rtl.c (immed_double_int_const): New function.
540         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
541         and immed_double_int_const functions.
542         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
543         expand_copysign_bit):  (Ditto.).
544         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
545         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
546         * dojump.c (prefer_and_bit_test): (Ditto.).
547         * expr.c (convert_modes, reduce_to_bit_field_precision,
548         const_vector_from_tree): (Ditto.).
549         * expmed.c (mask_rtx, lshift_value): (Ditto.).
550
551 2010-04-20  Jan Hubicka  <jh@suse.cz>
552
553         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
554         (dump_cgraph_node): Dump new flags.
555         * cgraph.h (struct cgraph_node): Add flags
556         reachable_from_other_partition and in_other_partition.
557         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
558         other partition can not be removed.
559         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
560         the other partition must be output; silence sanity checking on
561         leaking functions bodies from other paritition.
562         * lto-cgraph.c (reachable_from_other_partition_p): New function.
563         (lto_output_node): Output new flags; do not sanity check that inline
564         clones are output; drop lto_forced_extern_inline_p code; do not mock
565         visibility flags at partition boundaries.
566         (add_node_to): New function.
567         (output_cgraph): Use it to sort functions so masters appear before
568         clones.
569         (input_overwrite_node): Input new flags.
570         * passes.c (ipa_write_summaries): Do not call
571         lto_new_extern_inline_states.
572         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
573         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
574         lto_forced_extern_inline_p): Kill.
575         * lto-streamer.h (lto_new_extern_inline_states,
576         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
577         lto_forced_extern_inline_p): Kill.
578
579 2010-04-20  Richard Guenther  <rguenther@suse.de>
580
581         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
582         from vars that can have pointers.
583         (process_constraint): Dump useless constraints.
584
585 2010-04-20  Richard Guenther  <rguenther@suse.de>
586
587         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
588         (dump_sa_points_to_info): Remove asserts.
589         (init_base_vars): nothing_id isn't an escape point nor does it
590         have pointers.
591
592 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
593
594         * tree.h (TYPE_REF_IS_RVALUE): Define.
595         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
596         should_move_die_to_comdat, prune_unused_types_walk): Handle
597         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
598         (modified_type_die, gen_reference_type_die): Emit
599         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
600         if TYPE_REF_IS_RVALUE and -gdwarf-4.
601
602 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
603
604         PR target/43635
605         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
606         calls for -fpic -m31 if they have been sibcall optimized.
607
608 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
609
610         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
611         ar.lc fixed and call-used.
612
613         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
614
615 2010-04-19  Jan Hubicka  <jh@suse.cz>
616
617         * opts.c (decode_options): Disable whpr incompatible passes.
618         * lto/lto.c (lto_1_to_1_map): Skip clones.
619         (read_cgraph_and_symbols): Do not mark everything as needed.
620         (do_whole_program_analysis): Do map only after optimizing;
621         set proper cgraph_state; use passmanager.
622
623 2010-04-19  DJ Delorie  <dj@redhat.com>
624
625         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
626         POINTER_PLUS_EXPR and fix them.
627
628 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
629
630         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
631         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
632         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
633         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
634         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
635         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
636         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
637         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
638         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
639         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
640         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
641
642 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
643
644         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
645         (check_cond_move_block): Likewise.
646         (cond_move_process_if_block): Likewise.
647         (noce_find_if_block): Improve formatting.
648         (find_if_header): Pass 0 to memset and tweak conditions.
649         (cond_exec_find_if_block): Fix long lines and tweak conditions.
650
651 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
652
653         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
654         for -gdwarf-4.
655
656         PR middle-end/43337
657         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
658         with non-local decl doesn't need chain.
659
660 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
661
662         * ira-color.c (allocno_reload_assign): Avoid accumulating
663         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
664
665 2010-04-19  Martin Jambor  <mjambor@suse.cz>
666
667         * gimple.h (create_tmp_reg): Declare.
668         * gimplify.c (create_tmp_reg): New function.
669         (gimplify_return_expr): Use create_tmp_reg.
670         (gimplify_omp_atomic): Likewise.
671         (gimple_regimplify_operands): Likewise.
672         * tree-dfa.c (make_rename_temp): Likewise.
673         * tree-predcom.c (predcom_tmp_var): Likewise.
674         (reassociate_to_the_same_stmt): Likewise.
675         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
676         (get_replaced_param_substitute): Likewise.
677         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
678         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
679         * tree-ssa-pre.c (get_representative_for): Likewise.
680         (create_expression_by_pieces): Likewise.
681         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
682         (create_tailcall_accumulator): Likewise.
683
684 2010-04-19  Martin Jambor  <mjambor@suse.cz>
685
686         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
687         new_stmt.
688         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
689
690 2010-04-19  Richard Guenther  <rguenther@suse.de>
691
692         PR tree-optimization/43796
693         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
694         from SCEV in the lattice.
695         (vrp_visit_phi_node): Dump change.
696
697 2010-04-19  Richard Guenther  <rguenther@suse.de>
698
699         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
700         * configure: Re-generated.
701
702 2010-04-19  Richard Guenther  <rguenther@suse.de>
703
704         PR tree-optimization/43783
705         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
706         constant ARRAY_REF operands two and three if possible.
707
708 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
709
710         PR target/43766
711         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
712
713 2010-04-19  Jie Zhang  <jie@codesourcery.com>
714
715         PR target/43662
716         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
717
718 2010-04-19  Ira Rosen  <irar@il.ibm.com>
719
720         PR tree-optimization/37027
721         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
722         and macro to access it.
723         (vectorizable_reduction): Add argument.
724         (vect_get_slp_defs): Likewise.
725         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
726         statements for possible use in SLP.
727         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
728         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
729         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
730         add new argument.
731         (vectorizable_reduction): Likewise.
732         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
733         vect_get_slp_defs.
734         (vectorizable_type_demotion, vectorizable_type_promotion,
735         vectorizable_store): Likewise.
736         (vect_analyze_stmt): Update call to vectorizable_reduction.
737         (vect_transform_stmt): Likewise.
738         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
739         (vect_build_slp_tree): Fix indentation. Check that there are no loads
740         from different interleaving chains in same node.
741         (vect_slp_rearrange_stmts): New function.
742         (vect_supported_load_permutation_p): Allow load permutations for
743         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
744         inside SLP nodes if necessary.
745         (vect_analyze_slp_instance): Handle reductions.
746         (vect_analyze_slp): Try to build SLP instances originating from groups
747         of reductions.
748         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
749         (vect_get_constant_vectors): Create initial vectors for reductions
750         according to reduction code. Add new argument.
751         (vect_get_slp_defs): Add new argument, pass it to
752         vect_get_constant_vectors.
753         (vect_schedule_slp_instance): Remove SLP tree root statements.
754
755 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
756
757         * tree.h (ENUM_IS_SCOPED): Define.
758         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
759         for ENUM_IS_SCOPED enums.
760
761 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
762
763         * fold-const.c (fold_comparison): Use ssizetype.
764         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
765         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
766         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
767         * tree-object-size.c (compute_object_sizes): Use size_type_node.
768
769         * tree.h (initialize_sizetypes): Remove parameter.
770         (build_common_tree_nodes): Remove second parameter.
771         * stor-layout.c (initialize_sizetypes): Remove parameter.
772         Always create an unsigned type.
773         (set_sizetype): Assert that the passed type is unsigned and simplify.
774         * tree.c (build_common_tree_nodes): Remove second parameter.
775         Adjust call to initialize_sizetypes.
776         * c-decl.c (c_init_decl_processing): Remove second argument in call to
777         build_common_tree_nodes.
778
779 2010-04-18  Matthias Klose  <doko@ubuntu.com>
780
781         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
782
783 2010-04-18  Ira Rosen  <irar@il.ibm.com>
784
785         PR tree-optimization/43771
786         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
787         load permutation doesn't have gaps.
788
789 2010-04-18  Jan Hubicka  <jh@suse.cz>
790
791         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
792         (sse_prologue_save_insn expander): Use new pattern.
793         (sse_prologue_save_insn1): New pattern and splitter.
794         (sse_prologue_save_insn): Update to deal also with 64bit aligned
795         blocks.
796         * i386.c (setup_incoming_varargs_64): Do not compute jump
797         destination here.
798         (ix86_gimplify_va_arg): Update alignment needed.
799         (ix86_local_alignment): Do not align all local arrays to 128bit.
800
801 2010-04-17  Jan Hubicka  <jh@suse.cz>
802
803         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
804
805 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
806
807         * arm.md (negdi2): Remove redundant code to force values into a
808         register.
809
810 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
811
812         * arm/bpabi.S: Add EABI alignment attributes to objects.
813         * arm/bpabi-v6m.S: Likewise.
814         * arm/crti.asm: Likewise.
815         * arm/crtn.asm: Likewise.
816         * arm/lib1funcs.asm: Likewise.
817         * arm/libunwind.S: Likewise.
818
819 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
820
821         * arm-protos.h (tune_params): New structure.
822         * arm.c (current_tune): New variable.
823         (arm_constant_limit): Delete.
824         (struct processors): Add pointer to the tune parameters.
825         (arm_slowmul_tune): New tuning option.
826         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
827         (all_cores): Adjust to pick up the tuning model.
828         (arm_constant_limit): New function.
829         (arm_override_options): Select the appropriate tuning model.  Delete
830         initialization of arm_const_limit.
831         (arm_split_constant): Use the new constant-limit model.
832         (arm_rtx_costs): Pick up the current tuning model.
833         * arm.md (is_strongarm, is_xscale): Delete.
834         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
835         for Xscale variant architectures.
836         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
837
838 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
839
840         * config/arm/arm.c (arm_gen_constant): Remove unused variable
841         can_shift.
842         (arm_rtx_costs_1): Remove unused variable extra_cost.
843         (arm_unwind_emit_set): Use variable offset.
844         (thumb1_output_casesi): Remove unused variable flags.
845
846 2010-04-16  Jeff Law  <law@redhat.com>
847
848         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
849         needing assignment rather than doing a two-phase assignment.  Remove
850         unused variable 'm'.
851
852 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
853
854         PR bootstrap/43767
855         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
856
857 2010-04-16  Doug Kwan  <dougkwan@google.com>
858
859         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
860         (next_operand_entry_id): New static variable.
861         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
862         (add_to_ops_vec): Assigned unique ID to operand entry.
863         (struct oecount_s): New field ID.
864         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
865         (undistribute_ops_list): Assign unique IDs to oecounts.
866         (init_reassoc): reset next_operand_entry_id.
867
868 2010-04-16  Doug Kwan  <dougkwan@google.com>
869
870         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
871         missing left parenthesis.
872
873 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
874
875         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
876         *btdi_rex64 using SWI48 mode iterator.
877         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
878         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
879         *jcc_btdi_mask_rex64.
880
881 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
882
883         * double-int.h (tree_to_double_int): Convert to macro.
884         * double-int.c (tree_to_double_int): Remove.
885
886 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
887
888         PR debug/43762
889         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
890         with want_address 2 and in case a single element list might be
891         possible, call it again with want_address 0.
892
893 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
894
895         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
896         case 'W' print operands for HI mode.
897         * config/h8300/h8300.h (Y0, Y2) : New constraints.
898         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
899         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
900         * config/h8300/predicate.md (bit_register_indirect_operand): New.
901
902         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
903
904         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
905         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
906         #xx:3 and #xx:4 mode.
907
908         * config/h8300/h8300.md (inverted load with HImode dest): Add
909         support for H8300SX.
910
911         * config/h8300/predicate.md (bit_operand): Allow immediate values that
912         satisfy 'U' constraint.
913
914 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
915
916         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
917         * configure: Regenerate.
918         * config.in: Regenerate.
919         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
920         works.
921
922 2010-04-16  Richard Guenther  <rguenther@suse.de>
923
924         * tree.h (struct tree_decl_minimal): Move pt_uid ...
925         (struct tree_decl_common): ... here.
926         (DECL_PT_UID): Adjust.
927         (SET_DECL_PT_UID): Likewise.
928         (DECL_PT_UID_SET_P): Likewise.
929
930 2010-04-16  Richard Guenther  <rguenther@suse.de>
931
932         PR tree-optimization/43572
933         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
934         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
935         * tree-flow.h (is_call_clobbered): Remove.
936         * tree-flow-inline.h (is_call_clobbered): Likewise.
937         * tree-dfa.c (dump_variable): Do not dump call clobber state.
938         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
939         (execute_return_slot_opt): Adjust.
940         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
941         check for call clobbered vars here.
942         (find_tail_calls): Move tailcall verification to the
943         proper place.
944
945 2010-04-16  Diego Novillo  <dnovillo@google.com>
946
947         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
948
949 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
950
951         PR target/40603
952         * config/arm/arm.md (cbranchqi4): New pattern.
953         * config/arm/predicates.md (const0_operand,
954         cbranchqi4_comparison_operator): New predicates.
955
956 2010-04-16  Richard Guenther  <rguenther@suse.de>
957
958         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
959         (dump_gimple_stmt): Likewise.
960
961 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
962
963         * recog.h (struct recog_data): New field is_operator.
964         (struct insn_operand_data): New field is_operator.
965         * recog.c (extract_insn): Set recog_data.is_operator.
966         * genoutput.c (output_operand_data): Emit code to set the
967         is_operator field.
968         * reload.c (find_reloads): Use it rather than testing for an
969         empty constraint string.
970
971         PR target/41514
972         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
973         If the previous insn is a cbranchsi4_insn with the same arguments,
974         omit the compare instruction.
975
976         * config/arm/arm.md (addsi3_cbranch): If destination is a high
977         register, inputs must be low registers and we need a low register
978         scratch.  Handle alternative 2 like alternative 3.
979
980 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
981
982         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
983         don't call get_addr on both.  If one expression is a VALUE and
984         the other a REG, check VALUE's locs if the REG isn't among them.
985
986 2010-04-16  Christian Bruel  <christian.bruel@st.com>
987
988         * config/sh/sh.h (sh_frame_pointer_required): New function.
989         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
990         (flag_omit_frame_pointer) Set.
991         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
992         (rounded_frame_size): Adjust size with outgoing_args_size.
993         (sh_set_return_address): Must return from stack pointer.
994         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
995         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
996         (ACCUMULATE_OUTGOING_ARGS): Define.
997         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
998         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
999
1000 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1001
1002         PR target/43471
1003         * config/sh/sh.c (sh_legitimize_reload_address): Use
1004         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1005         Remove a unneeded check for offset_base.
1006
1007 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1008
1009         * configure: Regenerated.
1010
1011 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1012
1013         * config/s390/s390.c (s390_call_save_register_used): Switch back
1014         to HARD_REGNO_NREGS.
1015
1016 2010-04-15  Richard Guenther  <rguenther@suse.de>
1017
1018         * alias.c (alias_set_subset_of): Handle alias-set zero
1019         child properly.
1020
1021 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1022             Julian Brown  <julian@codesourcery.com>
1023
1024         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1025         alternatives according to use of high and low regs.
1026         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1027         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1028         optimizing for size on Thumb-2.
1029
1030 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1031
1032         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1033
1034 2010-04-15  Richard Guenther  <rguenther@suse.de>
1035
1036         * tree-ssa-structalias.c (struct variable_info): Add
1037         is_fn_info flag.
1038         (new_var_info): Initialize it.
1039         (dump_constraints): Support printing last added constraints.
1040         (debug_constraints): Adjust.
1041         (dump_constraint_graph): Likewise.
1042         (make_heapvar_for): Check for NULL cfun.
1043         (get_function_part_constraint): New function.
1044         (get_fi_for_callee): Likewise.
1045         (find_func_aliases): Properly implement IPA PTA constraints.
1046         (process_ipa_clobber): New function.
1047         (find_func_clobbers): Likewise.
1048         (insert_into_field_list_sorted): Remove.
1049         (create_function_info_for): Properly allocate vars for IPA mode.
1050         Do not use insert_into_field_list_sorted.
1051         (create_variable_info_for): Properly generate constraints for
1052         global vars in IPA mode.
1053         (dump_solution_for_var): Always dump the solution.
1054         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1055         (find_what_var_points_to): Adjust.
1056         (pt_solution_set): Change.
1057         (pt_solution_ior_into): New function.
1058         (pt_solution_empty_p): Export.
1059         (pt_solution_includes_global): Adjust.
1060         (pt_solution_includes_1): Likewise.
1061         (pt_solutions_intersect_1): Likewise.
1062         (dump_sa_points_to_info): Check some invariants.
1063         (solve_constraints): Move constraint dumping ...
1064         (compute_points_to_sets): ... here.
1065         (ipa_pta_execute): ... and here.
1066         (compute_may_aliases): Do not re-compute points-to info
1067         locally if IPA info is available.
1068         (ipa_escaped_pt): New global var.
1069         (ipa_pta_execute): Properly implement IPA PTA.
1070         * tree-into-ssa.c (dump_decl_set): Support dumping
1071         decls not in referenced-vars.
1072         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1073         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1074         (dump_points_to_solution): Likewise.
1075         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1076         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1077         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1078         (copy_decl_to_var): Copy DECL_PT_UID.
1079         (copy_result_decl_to_var): Likewise.
1080         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1081         (copy_node_stat): Copy it.
1082         * tree.h (DECL_PT_UID): New macro.
1083         (SET_DECL_PT_UID): Likewise.
1084         (DECL_PT_UID_SET_P): Likewise.
1085         (struct tree_decl_minimal): Add pt_uid member.
1086         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1087         (pt_solution_empty_p): Declare.
1088         (pt_solution_set): Adjust.
1089         (ipa_escaped_pt): Declare.
1090         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1091         * gimple-pretty-print.c (pp_points_to_solution): New function.
1092         (dump_gimple_call): Dump call clobber/use information.
1093         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1094         * tree-pass.h (TDF_ALIAS): New dump option.
1095         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1096         * doc/invoke.texi (-fipa-pta): Update documentation.
1097
1098 2010-04-15  Richard Guenther  <rguenther@suse.de>
1099
1100         * Makefile.in (OBJS-common): Add gimple-fold.o.
1101         (gimple-fold.o): New rule.
1102         * tree.h (maybe_fold_offset_to_reference,
1103         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1104         prototypes ...
1105         * gimple.h: ... here.
1106         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1107         may_propagate_address_into_dereference): Move prototypes ...
1108         * gimple.h: ... here.
1109         * tree-ssa-ccp.c (get_symbol_constant_value,
1110         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1111         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1112         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1113         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1114         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1115         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1116         gimplify_and_update_call_from_tree): Move ...
1117         * gimple-fold.c: ... here.  New file.
1118         (ccp_fold_builtin): Rename to ...
1119         (gimple_fold_builtin): ... this.
1120         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1121
1122 2010-04-15  Richard Guenther  <rguenther@suse.de>
1123
1124         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1125         fit_double_type, force_fit_type_double, add_double_with_sign,
1126         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1127         lrotate_double, rrotate_double, div_and_round_double): Move ...
1128         * double-int.c: ... here.
1129         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1130         add_double, neg_double, mul_double_with_sign, mul_double,
1131         lshift_double, rshift_double, lrotate_double, rrotate_double,
1132         div_and_round_double): Move prototypes ...
1133         * double-int.h: ... here.
1134
1135 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1136
1137         PR target/43742
1138         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1139         matching constraints to ensure inputs match the output.
1140
1141 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1142
1143         PR target/43742
1144         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1145         in an input-only operand.
1146
1147 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1148
1149         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1150         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1151         (double_int_negative_p): Convert to static inline function.
1152         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1153         (double_int_negative_p): Remove.
1154         * tree.h (lshift_double, rshift_double):
1155         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1156         * fold-const.c (fold_convert_const_int_from_real,
1157         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1158         (lshift_double): Change type of arith argument to bool.
1159         (rshift_double): Change type of arith argument to bool. Correct
1160         comment.
1161         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1162
1163 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1164
1165         PR target/21803
1166         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1167         at the start and end of the then/else blocks, and omit them from the
1168         conversion.
1169         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1170         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1171         (flow_find_head_matching_sequence): New function.
1172         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1173         * basic-block.h (flow_find_cross_jump,
1174         flow_find_head_matching_sequence): Declare functions.
1175
1176 2010-04-14  Jason Merrill  <jason@redhat.com>
1177
1178         PR c++/36625
1179         * c-common.c (attribute_takes_identifier_p): New fn.
1180         * c-common.h: Declare it.
1181
1182 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1183
1184         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1185         splitter condition.
1186         (*udivmod<mode>4): Ditto.
1187
1188 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1189
1190         * config/i386/i386.md (maxmin_int): Rename code attribute from
1191         maxminiprefix and update all users.
1192         (maxmin_float): Ditto from maxminfprefix.
1193         (logic): Ditto from logicprefix.
1194         (absneg_mnemonic): Ditto from absnegprefix.
1195         * config/i386/mmx.md: Update all users of maxminiprefix,
1196         maxminfprefix and logicprefix for rename.
1197         * config/i386/sse.md: Ditto.
1198         * config/i386/sync.md (sync_<code><mode>): Update for
1199         logicprefix rename.
1200
1201 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1202
1203         PR 42966
1204         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1205         warnings converted to errors.
1206
1207 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1208
1209         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1210         used insn_type variable.
1211         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1212         to avoid set-but-not-used warning.
1213
1214 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1215
1216         * df-core.c (df_ref_debug): Change format string placeholder
1217         from 0x%x to %#x.
1218         * dwarf2asm.c (dw2_asm_output_data_raw,
1219         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1220         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1221         * dwarf2out.c (output_cfi, output_cfi_directive,
1222         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1223         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1224         Ditto.
1225         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1226         * print-rtl.c (print_rtx): Ditto.
1227
1228 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1229
1230         PR middle-end/42694
1231         * builtins.c (expand_builtin_pow_root): New function to expand pow
1232         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1233         series of sqrt and cbrt calls under -ffast-math.
1234         (expand_builtin_pow): Call it.
1235
1236 2010-04-14  Michael Matz  <matz@suse.de>
1237
1238         PR tree-optimization/42963
1239         * tree-cfg.c (touched_switch_bbs): New static variable.
1240         (group_case_labels_stmt): New function broken out from ...
1241         (group_case_labels): ... here, use the above.
1242         (start_recording_case_labels): Allocate touched_switch_bbs.
1243         (end_recording_case_labels): Deallocate it, call
1244         group_case_labels_stmt.
1245         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1246
1247 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1248
1249         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1250         from insn template.
1251
1252 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1255
1256 2010-04-13  Jan Hubicka  <jh@suse.cz>
1257
1258         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1259         of optimized out static functions.
1260         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1261         cost computation.  Also sanity check for overflows.
1262         (update_caller_keys): Update cgraph_edge_badness call; properly
1263         update fibheap and sanity check that it is up to date.
1264         (add_new_edges_to_heap): Update cgraph_edge_badness.
1265         (cgraph_decide_inlining_of_small_function): Likewise;
1266         add sanity checking that badness in heap is up to date;
1267         improve dumping of reason; Update badness of calls to the
1268         offline copy of function currently inlined; dump badness
1269         of functions not inlined because of unit growth limits.
1270
1271 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1272
1273         PR middle-end/32628
1274         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1275         because of sign-extension change when converting to sizetype here...
1276         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1277
1278         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1279         the folding to constants.  Remove redundant final conversion.
1280         (fold_binary) <associate>: Do not associate if the re-association of
1281         constants alone overflows.
1282         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1283         to the end of the list.
1284         (multiple_of_p) <COND_EXPR>: New case.
1285
1286 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1287
1288         * opt-functions.awk (opt_sanitized_name): New.
1289         (opt_enum): New.
1290         * optc-gen.awk: Use it
1291         * opth-gen.awk: Use it.
1292
1293 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1294
1295         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1296         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1297         children.  Call replace_uses_with_default_def_ssa_name to handle
1298         SSA_NAES on lhs.
1299
1300 2010-04-13  Michael Matz  <matz@suse.de>
1301
1302         PR middle-end/43730
1303         * builtins.c (expand_builtin_interclass_mathfn): Also create
1304         a register if the predicate doesn't match.
1305
1306 2010-04-13  Diego Novillo  <dnovillo@google.com>
1307
1308         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1309         * c-pch.c: Include timevar.h.
1310         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1311         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1312         * ggc-common.c: Include timevar.h.
1313         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1314         * timevar.def (TV_PCH_SAVE): Define.
1315         (TV_PCH_CPP_SAVE): Define.
1316         (TV_PCH_PTR_REALLOC): Define.
1317         (TV_PCH_PTR_SORT): Define.
1318         (TV_PCH_RESTORE): Define.
1319         (TV_PCH_CPP_RESTORE): Define.
1320
1321 2010-04-13  Michael Matz  <matz@suse.de>
1322
1323         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1324         into MINUS_EXPRs.
1325         (can_reassociate_p): New function.
1326         (break_up_subtract_bb, reassociate_bb): Use it.
1327
1328 2010-04-13  Richard Guenther  <rguenther@suse.de>
1329
1330         PR bootstrap/43737
1331         * builtins.c (c_readstr): Fix assert.
1332
1333 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1334
1335         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1336         when generating cltd insn.
1337
1338         (*ashl<mode>3_1): Remove special handling for register operand 2.
1339         (*ashlsi3_1_zext): Ditto.
1340         (*ashlhi3_1): Ditto.
1341         (*ashlhi3_1_lea): Ditto.
1342         (*ashlqi3_1): Ditto.
1343         (*ashlqi3_1_lea): Ditto.
1344         (*<shiftrt_insn><mode>3_1): Ditto.
1345         (*<shiftrt_insn>si3_1_zext): Ditto.
1346         (*<shiftrt_insn>qi3_1_slp): Ditto.
1347         (*<rotate_insn><mode>3_1): Ditto.
1348         (*<rotate_insn>si3_1_zext): Ditto.
1349         (*<rotate_insn>qi3_1_slp): Ditto.
1350
1351 2010-04-13  Richard Guenther  <rguenther@suse.de>
1352
1353         * tree-ssa-structalias.c (callused_id): Remove.
1354         (call_stmt_vars): New.
1355         (get_call_vi): Likewise.
1356         (lookup_call_use_vi): Likewise.
1357         (lookup_call_clobber_vi): Likewise.
1358         (get_call_use_vi): Likewise.
1359         (get_call_clobber_vi): Likewise.
1360         (make_transitive_closure_constraints): Likewise.
1361         (handle_const_call): Adjust to do per-call call-used handling.
1362         (handle_pure_call): Likewise.
1363         (find_what_var_points_to): Remove general callused handling.
1364         (init_base_vars): Likewise.
1365         (init_alias_vars): Initialize call_stmt_vars.
1366         (compute_points_to_sets): Process call-used and call-clobbered
1367         vars for call statements.
1368         (delete_points_to_sets): Free call_stmt_vars.
1369
1370 2010-04-13  Richard Guenther  <rguenther@suse.de>
1371
1372         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1373         Only add RW dependence for dependence distance zero.
1374         Adjust maximal vectorization factor according to dependences.
1375         Move alignment handling ...
1376         (vect_find_same_alignment_drs): ... here.  New function.
1377         (vect_analyze_data_ref_dependences): Adjust.
1378         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1379         (vect_analyze_data_refs): Adjust minimal vectorization factor
1380         according to data references.
1381         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1382         dependences before determining the vectorization factor.
1383         Analyze alignment after determining the vectorization factor.
1384         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1385         dependences before alignment.
1386         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1387         Adjust prototype.
1388         (vect_analyze_data_refs): Likewise.
1389         (MAX_VECTORIZATION_FACTOR): New define.
1390
1391 2010-04-13  Duncan Sands  <baldrick@free.fr>
1392
1393         * except.h (lang_eh_type_covers): Remove.
1394         * except.c (lang_eh_type_covers): Likewise.
1395
1396 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1397             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1398
1399         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1400         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1401         UNITS_PER_LONG where it is ABI relevant.
1402         (s390_return_addr_rtx): Likewise.
1403         (s390_back_chain_rtx): Likewise.
1404         (s390_frame_area): Likewise.
1405         (s390_frame_info): Likewise.
1406         (s390_initial_elimination_offset): Likewise.
1407         (save_gprs): Likewise.
1408         (s390_emit_prologue): Likewise.
1409         (s390_emit_epilogue): Likewise.
1410         (s390_function_arg_advance): Likewise.
1411         (s390_function_arg): Likewise.
1412         (s390_va_start): Likewise.
1413         (s390_gimplify_va_arg): Likewise.
1414         (s390_function_profiler): Likewise.
1415         (s390_optimize_prologue): Likewise.
1416         (s390_rtx_costs): Likewise.
1417         (s390_secondary_reload): Likewise.
1418         (s390_promote_function_mode): Likewise.
1419         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1420         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1421         registers available.
1422         (s390_unwind_word_mode): New function.
1423         (s390_function_value): Split 64 bit values into register pair if
1424         used as return value.
1425         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1426         function call parameters.  Handle parallels.
1427         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1428         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1429         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1430         (s390_expand_setmem): Remove unused variable src_addr.
1431         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1432         deal with 64 bit registers.
1433         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1434         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1435         (UNITS_PER_LONG): New macro.
1436         * libjava/include/s390-signal.h: Define extended ucontext
1437         structure containing the upper halfs of the 64 bit registers.
1438
1439 2010-04-13  Simon Baldwin  <simonb@google.com>
1440
1441         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1442
1443 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1444
1445         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1446         rvalue on the RHS if the LHS is of a non-renamable type.
1447         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1448
1449 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1450
1451         * gcc.c (cc1_options): Handle -iplugindir before processing
1452         the cc1 spec. Only add -iplugindir once.
1453         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1454         found.
1455         * common.opt (iplugindir): Remove `Separate' property, initialize.
1456         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1457         option.
1458         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1459         (distclean): Remove plugin dir.
1460         * doc/invoke.texi: Document -iplugindir.
1461
1462 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1463
1464         * doc/plugins.texi (Loading Plugins): Document short
1465         -fplugin=foo option.
1466         (Plugin API): Mention default_plugin_dir_name function.
1467
1468         * gcc.c (find_file_spec_function): Add new declaration.
1469         (static_spec_func): Use it for "find-file".
1470         (find_file_spec_function): Add new function.
1471         (cc1_options): Add -iplugindir option if -fplugin* options found.
1472
1473         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1474
1475         * plugin.c (add_new_plugin): Updated comment, and handle short
1476         plugin name.
1477         (default_plugin_dir_name): Added new function.
1478
1479         * common.opt (iplugindir): New option to set the plugin directory.
1480
1481 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1482
1483         * config/i386/i386.md (any_rotate): New code iterator.
1484         (rotate_insn): New code attribute.
1485         (rotate): Ditto.
1486         (SWIM124): New mode iterator.
1487         (<rotate_insn>ti3): New expander.
1488         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1489         any_rotate code iterator.
1490         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1491         using any_rotate code iterator and SWIM124 mode iterator.
1492         (ix86_rotlti3): New insn_and_split pattern.
1493         (ix86_rotrti3): Ditto.
1494         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1495         ix86_rotl{di,ti}3 patterns.
1496         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1497         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1498         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1499         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1500         code iterator and SWI mode iterator.
1501         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1502         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1503         code iterator.
1504         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1505         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1506         (bswap rotatert splitter): Add splitter.
1507         (bswap splitter): Macroize splitter using any_rotate code iterator.
1508         Add insn predicate to split only for TARGET_USE_XCHGB or when
1509         optimizing function for size.
1510
1511 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1512
1513         * config/pa/pa.c (emit_move_sequence): Remove use of
1514         deleted variable flag_argument_noalias.
1515
1516 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1517
1518         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1519         configurations.
1520         Add to unsupported targets list.
1521         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1522         sparc*-sun-solaris2.[567]* from target lists.
1523         * configure: Regenerate.
1524         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1525         removal.
1526         Remove Solaris 7 patch references.
1527         (Specific, sparc-sun-solaris2.7): Removed.
1528         (sparc-sun-solaris2*): Update Solaris 7 example.
1529         (sparc64-*-solaris2*): Likewise.
1530
1531 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1532
1533         * config.build (alpha*-dec-osf4*): Remove.
1534         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1535         of obsolete configurations.
1536         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1537         support.
1538         * config/alpha/t-osf4: Renamed to ...
1539         * config/alpha/t-osf5: ... this.
1540         * config/alpha/osf.h: Renamed to ...
1541         * config/alpha/osf5.h: ... this.
1542         Merged old osf5.h contents.
1543         Update comments.
1544         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1545         (EXTRA_SPECS): Removed.
1546         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1547         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1548         Document that.
1549
1550 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1551
1552         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1553
1554 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1555
1556         PR/43702
1557         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1558         __thiscall convention.
1559
1560 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1561
1562         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1563         orig_base.
1564         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1565
1566 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1567
1568         * function.c (assign_parms_initialize_all): Add unused attribute
1569         to fntype.
1570
1571 2010-04-12  Richard Guenther  <rguenther@suse.de>
1572
1573         * gsstruct.def (GSS_CALL): New.
1574         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1575         * gimple.h: Include tree-ssa-alias.h.
1576         (struct gimple_statement_call): New.
1577         (union gimple_statement_struct_d): Add gimple_call member.
1578         (gimple_call_reset_alias_info): Declare.
1579         (gimple_call_use_set): New function.
1580         (gimple_call_clobber_set): Likewise.
1581         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1582         * gimple.c (gimple_call_reset_alias_info): New function.
1583         (gimple_build_call_1): Call it.
1584         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1585         * tree-inline.c (remap_gimple_stmt): Likewise.
1586         (expand_call_inline): Remove callused handling.
1587         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1588         * tree-dfa.c (dump_variable): Likewise.
1589         * tree-parloops.c (parallelize_loops): Likewise.
1590         * tree-ssa.c (init_tree_ssa): Likewise.
1591         (delete_tree_ssa): Likewise.
1592         * tree-flow-inline.h (is_call_used): Remove.
1593         * tree-flow.h (struct gimple_df): Remove callused member.
1594         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1595         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1596         (ref_maybe_used_by_call_p_1): Simplify.
1597         (call_may_clobber_ref_p_1): Likewise.
1598         * tree-ssa-structalias.c (compute_points_to_sets): Set
1599         the call stmt used and clobbered sets.
1600         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1601         (find_tail_calls): Verify the tail call.
1602
1603 2010-04-12  Richard Guenther  <rguenther@suse.de>
1604
1605         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1606         single-iteration always-inline inlining.
1607         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1608         (cgraph_decide_inlining): Do not handle always-inline specially.
1609         (try_inline): Remove always-inline cycle detection special case.
1610         Do not recurse on always-inlines.
1611         (cgraph_early_inlining): Do not iterate if not optimizing.
1612         (cgraph_gate_early_inlining): remove.
1613         (pass_early_inline): Run unconditionally.
1614         (gate_cgraph_decide_inlining): New function.
1615         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1616         not inlining or optimizing.
1617         (cgraph_decide_inlining_of_small_functions): Also consider
1618         always-inline functions.
1619         (cgraph_default_inline_p): Return true for nodes which should
1620         disregard inline limits.
1621         (estimate_function_body_sizes): Assume zero size and time for
1622         nodes which are marked as disregarding inline limits.
1623         (cgraph_decide_recursive_inlining): Do not perform recursive
1624         inlining on always-inline nodes.
1625
1626 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1627
1628         PR bootstrap/43699
1629         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1630         for exprs satisfying handled_component_p.
1631
1632 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1633
1634         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1635         non-constant aggregate elements.
1636
1637         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1638         is a real initialization.
1639
1640 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1641
1642         PR c/36774
1643         * c-decl.c (start_function): Move forward check for nested function.
1644
1645 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1646
1647         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1648         * config/sh/sh.c: Include reload.h.
1649         (sh_legitimize_reload_address): New.
1650         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1651         sh_legitimize_reload_address.
1652
1653 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1654
1655         * config/sh/sh.md (*movqi_pop): New insn pattern.
1656         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1657
1658 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1659
1660         * config/i386/i386.md (any_shiftrt): New code iterator.
1661         (shiftrt_insn): New code attribute.
1662         (shiftrt): Ditto.
1663         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1664         using any_shiftrt code iterator.
1665         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1666         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1667         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1668         pattern from corresponding peephole2 patterns.
1669         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1670         using any_shiftrt code iterator.
1671         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1672         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1673         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1674         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1675         *{ashr,lshr}<mode>3_cmp_zext.
1676         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1677
1678 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1679
1680         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1681         scratch register.
1682         (*lshr<mode>3_cconly): Ditto.
1683
1684 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1685
1686         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1687         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1688         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1689         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1690         DWI mode iterator.
1691         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1692         from corresponding peephole2 patterns.
1693         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1694         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1695         and *lshrdi3_1_rex64 using SWI mode iterator.
1696         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1697         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1698         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1699         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1700         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1701         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1702         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1703         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1704         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1705         SWI mode iterator.
1706
1707 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1708
1709         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1710         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1711         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1712         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1713         DWI mode iterator.
1714         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1715         from corresponding peephole2 patterns.
1716         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1717         (ashrsi3_cvt): Rename from ashrsi3_31.
1718         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1719         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1720         and x86_64_shift_adj_3 using SWI48 mode iterator.
1721         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1722         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1723         and *ashrdi3_1_rex64 using SWI mode iterator.
1724         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1725         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1726         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1727         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1728         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1729         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1730         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1731         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1732         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1733         SWI mode iterator.
1734         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1735         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1736         x86_shift<mode>_adj_3 expanders.
1737
1738 2010-04-10  Wei Guozhi  <carrot@google.com>
1739
1740         PR target/42601
1741         * config/arm/arm.c (arm_pic_static_addr): New function.
1742         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1743         a static symbol.
1744         (arm_output_addr_const_extra): Output expression for new pattern.
1745         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1746
1747 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1748
1749         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1750         not enabled.
1751
1752         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1753         * web.c: Include "insn-config.h" and "recog.h".
1754         (union_match_dups): New function.
1755         (web_main): Call it.
1756         (union_defs): Don't try to recognize match_dups.
1757
1758         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1759         if doing so would replace the entire pattern.
1760
1761 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1762
1763         PR target/43707
1764         PR target/43709
1765         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1766         and splitter pattern.  Change splitter operand 1 predicate to
1767         nonmemory_operand.
1768
1769 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1770
1771         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1772         lattices are addresses of CONST_DECLs with the same initial value.
1773         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1774         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1775
1776 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1777             Bernd Schmidt  <bernds@codesourcery.com>
1778
1779         * loop-invariant.c (replace_uses): New static function.
1780         (move_invariant_reg): Use it to ensure we can replace the uses.
1781
1782 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1783
1784         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1785         function template.
1786         (picochip_override_options): Enable section anchors only above -O1.
1787         (picochip_reorg): Fixed a couple of build warnings.
1788
1789 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1790
1791         * configure.ac (plugin -rdynamic test): Log result.
1792         * configure: Regenerate.
1793         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1794         (RDYNAMIC_SPEC): Define.
1795         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1796
1797 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1798
1799         * configure.ac: Determine Sun ld version numbers.
1800         (comdat_group): Restrict GNU ld version checks to gld.
1801         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1802         (enable_comdat): Support --enable-comdat.
1803         * configure: Regenerate.
1804         * doc/install.texi (Configuration): Document --enable-comdat.
1805
1806 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1807
1808         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1809         * config/sol2-gld.h: ... here.
1810         * config.gcc (sparc*-*-solaris2*): Reflect this.
1811         (i[34567]86-*-solaris2*): Use it.
1812
1813 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1814
1815         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1816         setup_clocks_p.
1817         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1818
1819 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1820
1821         PR 42965
1822         * diagnostic.c (diagnostic_initialize): Initialize
1823         some_warnings_are_errors.
1824         (diagnostic_finish): New.
1825         (diagnostic_action_after_output): Call it before exiting.
1826         (diagnostic_report_diagnostic): Do not print message here. Set
1827         some_warnings_are_errors.
1828         * diagnostic.h (diagnostic_context): Delete
1829         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1830         (diagnostic_finish): Declare.
1831         * toplev.c (toplev_main): Call it before exit.
1832
1833 2010-04-09  Jason Merrill  <jason@redhat.com>
1834
1835         PR c++/42623
1836         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1837         for incomplete type.
1838
1839         PR c++/41788
1840         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1841         based on a warning flag.
1842
1843 2010-04-09  Richard Guenther  <rguenther@suse.de>
1844
1845         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1846
1847 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1848
1849         PR bootstrap/43684
1850         * varasm.c (default_assemble_visibility): Wrap vars that are
1851         set, but unused, by targets without GAS.
1852         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1853         Remove set, but unused, vars.
1854         (rs6000_legitimize_tls_address): Likewise.
1855         (altivec_expand_dst_builtin): Likewise.
1856         * config/darwin.c (machopic_classify_symbol): Likewise.
1857         (machopic_indirection_name): Likewise.
1858
1859 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1860
1861         * config/i386/i386.md (DWI): New mode iterator.
1862         (S): New mode attribute.
1863         (shift_operand): Ditto.
1864         (shift_immediate_operand): Ditto.
1865         (ashl_input_operand): Ditto.
1866         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1867         using SDWIM mode iterator.
1868         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1869         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1870         DWI mode iterator.
1871         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1872         from corresponding peephole2 patterns.
1873         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1874         and x86_64_shift_adj_1 using SWI48 mode iterator.
1875         (x86_shift<mode>_adj_2): Ditto.
1876         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1877         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1878         using SWI48 mode iterator.
1879         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1880         *ashldi3_cmp_rex64 using SWI mode iterator.
1881         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1882         *ashldi3_cconly_rex64 using SWI mode iterator.
1883         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1884         x86_shift<mode>_adj_{1,2}.
1885         (ix86_split_ashr): Ditto.
1886         (ix86_split_lshr): Ditto.
1887
1888 2010-04-09  Richard Guenther  <rguenther@suse.de>
1889
1890         * target.h (builtin_conversion): Pass in input and output types.
1891         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1892         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1893         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1894         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1895
1896         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1897         Handle AVX modes.
1898         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1899
1900 2010-04-09  Richard Guenther  <rguenther@suse.de>
1901
1902         PR target/43152
1903         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1904
1905 2010-04-09  Richard Guenther  <rguenther@suse.de>
1906
1907         * tree-vectorizer.h (struct _stmt_vec_info): Document
1908         that vectype is the type of the LHS.
1909         (supportable_widening_operation, supportable_narrowing_operation):
1910         Get both input and output vector types as arguments.
1911         (vect_is_simple_use_1): Declare.
1912         (get_same_sized_vectype): Likewise.
1913         * tree-vect-loop.c (vect_determine_vectorization_factor):
1914         Set STMT_VINFO_VECTYPE to the vector type of the def.
1915         (vectorizable_reduction): Adjust.
1916         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1917         Adjust.  Specify the output vector type.
1918         (vect_pattern_recog_1): Adjust.
1919         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1920         (vectorizable_call): Adjust.
1921         (vectorizable_conversion): Likewise.
1922         (vectorizable_operation): Likewise.
1923         (vectorizable_type_demotion): Likewise.
1924         (vectorizable_type_promotion): Likewise.
1925         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1926         the def.
1927         (vect_is_simple_use_1): New function.
1928         (supportable_widening_operation): Get both input and output
1929         vector types.
1930         (supportable_narrowing_operation): Likewise.
1931         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1932
1933 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1934
1935         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1936         __thiscall and _thiscall as predefined macros.
1937         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1938         thiscall attribute handling.
1939         (ix86_comp_type_attributes): Likewise.
1940         (ix86_function_regparm): Likewise.
1941         (ix86_return_pops_args): Likewise.
1942         (init_cumulative_args): Likewise.
1943         (find_drap_reg): Likewise.
1944         (ix86_static_chain): Likewise.
1945         (x86_this_parameter): Likewise.
1946         (x86_output_mi_thunk): Likewise.
1947         (ix86_attribute_table): Add description for thiscall attribute.
1948         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1949         * doc/extend.texi: Add documentation for thiscall.
1950
1951 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1952
1953         PR c++/28584
1954         * c.opt (Wint-to-pointer-cast): Available in C++.
1955         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1956
1957 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1958
1959         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1960         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1961         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1962         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1963         function type instead.  Reorder and simplify checks.
1964
1965         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1966
1967 2010-04-08  Jing Yu  <jingyu@google.com>
1968             Zdenek Dvorak  <ook@ucw.cz>
1969
1970         PR tree-optimization/42720
1971         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1972         loop unswitch conditions here from ...
1973         (tree_unswitch_single_loop): ... here.
1974
1975 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1976
1977         * tree-if-conv.c: Fix comments and simplify logic.
1978
1979 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1980
1981         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1982         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1983         (main_tree_if_conversion): Update call to tree_if_conversion.
1984
1985 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1986
1987         PR 42485
1988         * doc/invoke.texi (-b,-V): Delete.
1989         * doc/tm.texi: Do not mention -b.
1990         * gcc.c (display_help): Delete -b and -V.
1991         (process_command): Delete -b and -V.
1992         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1993
1994 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1995             Wolfgang Gellerich  <gellerich@de.ibm.com>
1996
1997         Implement target hook for loop unrolling
1998         * target.h (loop_unroll_adjust): Add a new target hook function.
1999         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2000         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2001         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2002         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2003         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2004         target hook.
2005         (decide_unroll_stupid): Likewise.
2006
2007 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2008
2009         PR target/43643
2010         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2011
2012 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2013
2014         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2015         (Specific, *-*-solaris2*): Likewise.
2016         Don't prefer Sun as over GNU as.
2017
2018 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2019
2020         * config/s390/s390.c (override_options): Adjust the z10
2021           defaults for max-unroll-times, max-completely-peeled-insns
2022           and max-completely-peel-times.
2023
2024 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2025
2026         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2027         instructions for z10.
2028         (s390_expand_setmem): Likewise.
2029         (s390_expand_cmpmem): Likewise.
2030
2031 2010-04-08  Richard Guenther  <rguenther@suse.de>
2032
2033         PR tree-optimization/43679
2034         * tree-ssa-pre.c (eliminate): Only propagate copies.
2035
2036 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2037
2038         PR bootstrap/43681
2039         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2040         set but not used variable warning.
2041
2042 2010-04-08  Wei Guozhi  <carrot@google.com>
2043
2044         PR target/41653
2045         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2046         (arm_size_rtx_costs): Call the new function when optimized for size.
2047
2048 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR debug/43670
2051         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2052         op0 is not a MEM, just return NULL instead of assertion
2053         failure.
2054         (discover_nonconstant_array_refs): Don't walk debug stmts.
2055
2056 2010-04-08  Doug Kwan  <dougkwan@google.com>
2057
2058         * configure.ac: Recognize gold and do not use its version number
2059         to test ld features.
2060         * configure: Regenerate.
2061
2062 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2063
2064         PR middle-end/40815
2065         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2066         (negate_value): Move code to push elements to broken_up_substracts ...
2067         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2068         negative pair to plus_negates.
2069         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2070
2071 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2072
2073         * doc/install.texi (Configuration): Move description of
2074         --enable-lto, --with-libelf*, --enable-gold from Java section to
2075         general section.
2076
2077         * doc/generic.texi (Working with declarations)
2078         (Function Properties, C and C++ Trees): Fix typos.
2079         * doc/sourcebuild.texi (Top Level): Likewise.
2080
2081 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2082
2083         PR c/18624
2084         * tree.h (DECL_READ_P): Define.
2085         (struct tree_decl_common): Add decl_read_flag.
2086         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2087         a set but not used warning.
2088         (merge_decls): Merge DECL_READ_P flag.
2089         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2090         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2091         * c-common.c (handle_used_attribute, handle_unused_attribute):
2092         Likewise.
2093         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2094         New prototypes.
2095         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2096         New functions.
2097         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2098         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2099         c_parser_binary_expression, c_parser_cast_expression,
2100         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2101         Call default_function_array_read_conversion instead of
2102         default_function_array_conversion where needed.
2103         (c_parser_unary_expression, c_parser_conditional_expression,
2104         c_parser_postfix_expression_after_primary, c_parser_initelt):
2105         Likewise.  Call mark_exp_read where needed.
2106         (c_parser_statement_after_labels, c_parser_asm_operands,
2107         c_parser_typeof_specifier, c_parser_sizeof_expression,
2108         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2109         where needed.
2110         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2111         New.
2112         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2113         (warn_unused_but_set_parameter): Default to warn_unused
2114         && extra_warnings.
2115         * doc/invoke.texi: Document -Wunused-but-set-variable and
2116         -Wunused-but-set-parameter.
2117
2118         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2119         used count variable.
2120         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2121         when operandN variables aren't used in the body of the expander
2122         or splitter.
2123         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2124         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2125         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2126         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2127         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2128         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2129         * tree.c (PROCESS_ARG): Likewise.
2130
2131 2010-04-07  Simon Baldwin  <simonb@google.com>
2132
2133         * diagnostic.h (diagnostic_override_option_index): New macro to
2134         set a diagnostic's option_index.
2135         * c-tree.h (c_cpp_error): Add warning reason argument.
2136         * opts.c (_warning_as_error_callback): New.
2137         (register_warning_as_error_callback): Store callback for
2138         warnings enabled via enable_warning_as_error.
2139         (enable_warning_as_error): Call callback, minor code tidy.
2140         * opts.h (register_warning_as_error_callback): Declare.
2141         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2142         response to -Werror=.
2143         (c_common_init_options): Register warning_as_error_callback in opts.c.
2144         * common.opt: Add -Wno-cpp option.
2145         * c-common.c (struct reason_option_codes_t): Map cpp warning
2146         reason codes to gcc option indexes.
2147         * (c_option_controlling_cpp_error): New function, lookup the gcc
2148         option index for a cpp warning reason code.
2149         * (c_cpp_error): Add warning reason argument, call
2150         c_option_controlling_cpp_error for diagnostic_override_option_index.
2151         * doc/invoke.texi: Document -Wno-cpp.
2152
2153 2010-04-07  Richard Guenther  <rguenther@suse.de>
2154
2155         * ipa-reference.c (mark_load): Use get_base_address.
2156         (mark_store): Likewise.
2157
2158         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2159         inserting GIMPLE_NOPs into the IL.
2160         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2161         Explicitly strip handled components and indirect references.
2162
2163         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2164         folding address expressions.
2165         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2166         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2167         operand_equal_p to compare decls.
2168         (ptr_deref_may_alias_decl_p): Likewise.
2169         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2170         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2171         Handle reversed comparison ops.
2172         * tree-sra.c (asm_visit_addr): Use get_base_address.
2173         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2174         * ipa-reference.c (mark_address): Use get_base_address.
2175
2176 2010-04-07  Richard Guenther  <rguenther@suse.de>
2177
2178         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2179         Propagate constants everywhere.
2180
2181 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR debug/43516
2184         * tree.c (MAX_INT_CACHED_PREC): Define.
2185         (nonstandard_integer_type_cache): New array.
2186         (build_nonstandard_integer_type): Cache results for precision
2187         <= MAX_INT_CACHED_PREC.
2188
2189 2010-04-07  Richard Guenther  <rguenther@suse.de>
2190
2191         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2192         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2193         * common.opt: Likewise.
2194         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2195         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2196         (nonoverlapping_memrefs_p): Likewise.
2197         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2198         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2199         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2200         OPT_fargument_noalias_global for backward compatibility.
2201
2202 2010-04-07  Richard Guenther  <rguenther@suse.de>
2203
2204         PR tree-optimization/43270
2205         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2206         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2207         * tree-ssa-pre.c (phi_translate_1): Adjust.
2208         (fully_constant_expression): Split out vn_reference handling to ...
2209         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2210         Fold reads from constant strings.
2211         (vn_reference_lookup): Handle fully constant references.
2212         (vn_reference_lookup_pieces): Likewise.
2213         * Makefile.in (expmed.o-warn): Add -Wno-error.
2214
2215 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2216
2217         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2218
2219 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2220
2221         PR driver/41594
2222         * gcc.c: Add -static-libstdc++ to list of recognized options.
2223
2224 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2225
2226         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2227
2228 2010-04-07  Richard Guenther  <rguenther@suse.de>
2229
2230         PR middle-end/42617
2231         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2232         bases build simple mem attributes to retain points-to information.
2233
2234 2010-04-07  Richard Guenther  <rguenther@suse.de>
2235
2236         PR middle-end/42617
2237         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2238         preserve points-to related information.
2239
2240 2010-04-07  Richard Guenther  <rguenther@suse.de>
2241
2242         PR middle-end/42617
2243         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2244         discard plain indirect references.
2245         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2246         * tree.c (tree_nop_conversion): Likewise.
2247
2248 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2249
2250         PR debug/43628
2251         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2252
2253 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2254
2255         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2256         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2257
2258 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2259
2260         * tree-if-conv.c: Fix indentation and comments.
2261
2262 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2263
2264         * tree-if-conv.c: Sort static functions in topological order.
2265
2266 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2267
2268         * tree-if-conv.c: Fix indentation and comments.
2269
2270 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2271
2272         PR middle-end/43519
2273         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2274         lang_hooks.types.type_for_size instead of
2275         build_nonstandard_integer_type.
2276         When converting an unsigned type to signed, double its precision.
2277         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2278         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2279         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2280         use lb <= ub.
2281
2282 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2283
2284         PR middle-end/43519
2285         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2286         POINTER_PLUS_EXPR for pointer types.
2287
2288 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2289
2290         PR middle-end/43519
2291         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2292         * graphite-clast-to-gimple.c: Include langhooks.h.
2293         (max_signed_precision_type): New.
2294         (max_precision_type): Takes two types as arguments.
2295         (precision_for_value): New.
2296         (precision_for_interval): New.
2297         (gcc_type_for_interval): New.
2298         (gcc_type_for_value): New.
2299         (gcc_type_for_clast_term): New.
2300         (gcc_type_for_clast_red): New.
2301         (gcc_type_for_clast_bin): New.
2302         (gcc_type_for_clast_expr): Split up into several functions.
2303         (gcc_type_for_clast_eq): Rewritten.
2304         (compute_bounds_for_level): New.
2305         (compute_type_for_level_1): New.
2306         (compute_type_for_level): New.
2307         (gcc_type_for_cloog_iv): Removed.
2308         (gcc_type_for_iv_of_clast_loop): Rewritten.
2309         (graphite_create_new_loop): Compute the lower and upper bound types
2310         with gcc_type_for_clast_expr.
2311         (graphite_create_new_loop_guard): Same.
2312         (find_cloog_iv_in_expr): Removed.
2313         (compute_cloog_iv_types_1): Removed.
2314         (compute_cloog_iv_types): Removed.
2315         (gloog): Do not call compute_cloog_iv_types.
2316         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2317         GBB_CLOOG_IV_TYPES.
2318         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2319         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2320         (GBB_CLOOG_IV_TYPES): Removed.
2321
2322 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2323
2324         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2325         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2326         (detect_commutative_reduction): Same.
2327
2328 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2331         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2332         argument.
2333         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2334         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2335         (rewrite_commutative_reductions_out_of_ssa): Same.
2336         * passes.c (execute_function_todo): Call verify_ssa for every pass
2337         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2338         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2339         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2340         with an extra argument.
2341         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2342         verify_ssa only when the extra argument is true.
2343         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2344         with an extra argument.
2345         (tree_transform_and_unroll_loop): Same.
2346
2347 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2350         for all the passes of the LNO having LOOP_CLOSED_SSA.
2351         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2352         * tree-loop-distribution.c (pass_loop_distribution): Same.
2353         * tree-pass.h (TODO_verify_loops): Removed.
2354         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2355         (pass_lim): Same.
2356         (pass_tree_unswitch): Same.
2357         (pass_predcom): Same.
2358         (pass_vectorize): Same.
2359         (pass_linear_transform): Same.
2360         (pass_graphite_transforms): Same.
2361         (pass_iv_canon): Same.
2362         (pass_complete_unroll): Same.
2363         (pass_complete_unrolli): Same.
2364         (pass_parallelize_loops): Same.
2365         (pass_loop_prefetch): Same.
2366         (pass_iv_optimize): Same.
2367
2368 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2369
2370         PR middle-end/32824
2371         * passes.c (init_optimization_passes): Move pass_lim before
2372         pass_copy_prop and pass_dce_loop.
2373
2374 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR target/43667
2377         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2378         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2379         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2380         MULTI_* defines for 4 argument vpermil2p* builtins.
2381
2382 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2383
2384         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2385         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2386         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2387         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2388         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2389         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2390         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2391         Use x86_maybe_negate_const_int to output insn mnemonic.
2392         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2393         check from instruction predicate.  Update comments.
2394         * config/i386/sync.md (sync_add<mode>): Use
2395         x86_maybe_negate_const_int to output insn mnemonic.
2396
2397 2010-04-06  Jan Hubicka  <jh@suse.cz>
2398
2399         PR tree-optimization/42906
2400         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2401         IGNORE_SELF argument.  Set visited_control_parents for fully
2402         processed BBs.
2403         (find_obviously_necessary_stmts): Update call of
2404         mark_control_dependent_edges_necessary.
2405         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2406
2407 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2408
2409         * config/i386/i386.md: Remove comment about 'e' and 'E'
2410         operand modifier.
2411
2412 2010-04-06  Richard Guenther  <rguenther@suse.de>
2413
2414         PR tree-optimization/43627
2415         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2416         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2417         not varying.
2418
2419 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2420
2421         * BASE-VER: Change to 4.6.0.
2422
2423         PR target/43638
2424         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2425         handling.
2426
2427 2010-04-06  Richard Guenther  <rguenther@suse.de>
2428
2429         PR middle-end/43661
2430         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2431
2432 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2433
2434         * doc/invoke.texi (Optimize Options): Document that LTO
2435         won't remove object access purely due to incompatible
2436         declarations.
2437
2438 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2439
2440         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2441         Initialize variable.
2442
2443 2010-04-03  Richard Guenther  <rguenther@suse.de>
2444
2445         PR middle-end/42509
2446         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2447         require a non-NULL MEM_OFFSET.
2448
2449 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2450
2451         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2452         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2453         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2454         config/alpha/predicates.md, config/arm/arm.md,
2455         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2456         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2457         config/darwin9.h, config/darwin.c, config/darwin.h,
2458         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2459         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2460         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2461         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2462         config/mips/mips.md, config/mn10300/mn10300.c,
2463         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2464         config/rs6000/aix.h, config/rs6000/dfp.md,
2465         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2466         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2467         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2468         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2469         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2470         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2471         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2472         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2473         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2474         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2475         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2476         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2477         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2478         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2479         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2480         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2481         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2482         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2483         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2484         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2485         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2486         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2487         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2488         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2489         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2490         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2491         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2492         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2493         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2494         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2495         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2496         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2497         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2498         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2499         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2500         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2501
2502 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2503
2504         PR other/43620
2505         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2506         * aclocal.m4: Regenerate.
2507
2508 2010-04-02  Richard Guenther  <rguenther@suse.de>
2509
2510         PR tree-optimization/43629
2511         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2512         if we have seen a constant value.
2513
2514 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2515
2516         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2517
2518 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2519
2520         PR target/43469
2521         * arm.c (legitimize_tls_address): Adjust call to
2522         gen_tls_load_dot_plus_four.
2523         (arm_note_pic_base): New function.
2524         (arm_cannot_copy_insn_p): Use it.
2525         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2526         constraint.
2527
2528 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2529
2530         PR bootstrap/43531
2531
2532         Revert:
2533         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2534
2535         * Makefile.in ($(out_object_file)): Depend on
2536         gt-$(basename $(notdir $(out_file))).h.
2537
2538 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2539
2540         * config.gcc (lm32-*-rtems*): Add t-lm32.
2541
2542 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2543
2544         * config.gcc: Add lm32-*-rtems*.
2545         * config/lm32/rtems.h: New file.
2546
2547 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2548
2549         PR target/42609
2550         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2551
2552 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2553
2554         * dwarf2out.c (output_compilation_unit_header): For
2555         -gdwarf-4 use version 4 instead of version 3.
2556         (output_line_info): For version 4 and above emit additional
2557         maximum ops per insn header field.
2558         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2559
2560         * dwarf2out.c (is_c_family, is_java): Remove.
2561         (lower_bound_default): New function.
2562         (add_bound_info, gen_descr_array_type_die): Use it.
2563
2564 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2565
2566         PR debug/43325
2567         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2568         re-declaration when it happens in a function.
2569
2570 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2571
2572         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2573         (cgraph_remove_function_insertion_hook): Same.
2574         (cgraph_call_function_insertion_hooks): Same.
2575
2576 2010-04-01  Richard Guenther  <rguenther@suse.de>
2577
2578         PR middle-end/43614
2579         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2580         and TREE_THIS_VOLATILE.
2581         (copy_ref_info): Likewise.
2582         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2583         * tree.c (build6_stat): Ignore side-effects of all but arg5
2584         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2585         TARGET_MEM_REF.
2586
2587 2010-04-01  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/43607
2590         * ipa-type-escape.c (check_call): Do not access non-existing
2591         arguments.
2592
2593 2010-04-01  Richard Guenther  <rguenther@suse.de>
2594
2595         PR middle-end/43602
2596         Revert
2597         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2598                     Jack Howarth <howarth@bromo.med.uc.edu>
2599
2600         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2601         variables TLS.
2602
2603 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2604
2605         * doc/install.texi (Prerequisites): Document libelf usability on
2606         IRIX 5/6 and Solaris 2.
2607         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2608         Update GNU as, GNU ld requirements.
2609         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2610         Document Sun Studio compiler download.
2611         Update and simplify as, ld recommendations.
2612         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2613
2614 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2615
2616         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2617         with_tune_32 to pentium4.
2618
2619 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2620
2621         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2622
2623 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2624
2625         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2626         obsoletion, removal.
2627         Update IDO URL.
2628         Document GNU as requirement.
2629         Update configure requirements.
2630         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2631         Recomment IRIX 6.5.18+.
2632         Document IDF/IDL requirement.
2633         Document GNU as requirement.
2634         Document GNU ld bootstrap failure.
2635         Remove freeware.sgi.com reference.
2636
2637 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2638
2639         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2640         UNIX V4.0, V5.0 obsoletion, removal.
2641         Remove --with-gc=simple reference.
2642         Update VM requirements during bootstrap.
2643         Remove -oldas bootstrap description.
2644         Update binutils reference.
2645         Remove comparison failure note.
2646
2647 2010-03-31  Richard Guenther  <rguenther@suse.de>
2648             Zdenek Dvorak  <ook@ucw.cz>
2649             Sebastian Pop  <sebastian.pop@amd.com>
2650
2651         PR middle-end/43464
2652         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2653         with multiple arguments.
2654         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2655
2656 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2657
2658         * graphite-dependences.c (print_pddr): Call print_pdr with an
2659         extra argument.
2660         * graphite-poly.c (debug_pdr): Add an extra argument for the
2661         verbosity level.
2662         (print_pdr): Same.
2663         (print_pbb_domain): Same.
2664         (print_pbb): Same.
2665         (print_scop_context): Same.
2666         (print_scop): Same.
2667         (print_cloog): Same.
2668         (debug_pbb_domain): Same.
2669         (debug_pbb): Same.
2670         (print_pdrs): Same.
2671         (debug_pdrs): Same.
2672         (debug_scop_context): Same.
2673         (debug_scop): Same.
2674         (debug_cloog): Same.
2675         (print_scop_params): Same.
2676         (debug_scop_params): Same.
2677         (print_iteration_domain): Same.
2678         (print_iteration_domains): Same.
2679         (debug_iteration_domain): Same.
2680         (debug_iteration_domains): Same.
2681         (print_scattering_function): Same.
2682         (print_scattering_functions): Same.
2683         (debug_scattering_function): Same.
2684         (debug_scattering_functions): Same.
2685         * graphite-poly.h (debug_pdr): Update declaration.
2686         (print_pdr): Same.
2687         (print_pbb_domain): Same.
2688         (print_pbb): Same.
2689         (print_scop_context): Same.
2690         (print_scop): Same.
2691         (print_cloog): Same.
2692         (debug_pbb_domain): Same.
2693         (debug_pbb): Same.
2694         (print_pdrs): Same.
2695         (debug_pdrs): Same.
2696         (debug_scop_context): Same.
2697         (debug_scop): Same.
2698         (debug_cloog): Same.
2699         (print_scop_params): Same.
2700         (debug_scop_params): Same.
2701         (print_iteration_domain): Same.
2702         (print_iteration_domains): Same.
2703         (debug_iteration_domain): Same.
2704         (debug_iteration_domains): Same.
2705         (print_scattering_function): Same.
2706         (print_scattering_functions): Same.
2707         (debug_scattering_function): Same.
2708         (debug_scattering_functions): Same.
2709
2710 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * graphite-poly.c (print_scattering_function_1): New.
2713         (print_scattering_function): Call it.
2714         (print_scop_params): Remove spaces at the end of lines.
2715         (print_cloog): New.
2716         (debug_cloog): New.
2717         * graphite-poly.h (print_cloog): Declared.
2718         (debug_cloog): Declared.
2719
2720 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2723         in loop->header.
2724         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2725         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2726         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2727         to switch between adding the IV bump in loop->latch or in loop->header.
2728
2729 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2730
2731         * graphite-poly.c (print_scattering_function): Pretty print following
2732         the scoplib format.
2733         (print_pdr): Same.
2734         (print_pbb_domain): Same.
2735         (dump_gbb_cases): Same.
2736         (dump_gbb_conditions): Same.
2737         (print_pdrs): Same.
2738         (print_pbb): Same.
2739         (print_scop_params): Same.
2740         (print_scop_context): Same.
2741         (print_scop): Same.
2742         (print_pbb_body): New.
2743         (lst_indent_to): New.
2744         (print_lst): Start new lines with a #.
2745         * graphite-poly.h (pbb_bb): New.
2746         (pbb_index): Use pbb_bb.
2747         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2748         disjuncts.
2749         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2750
2751 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2752
2753         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2754         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2755         and 0 instead of 1 for dw_val_class_flag.
2756         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2757         dw_val_class_range_list, dw_val_class_loc_list,
2758         dw_val_class_lineptr and dw_val_class_macptr, use
2759         DW_FORM_flag_present for dw_val_class_flag and
2760         DW_FORM_exprloc for dw_val_class_loc.
2761         (output_die): For -gdwarf-4 print dw_val_class_loc
2762         size as uleb128 instead of 1 or 2 bytes and don't print
2763         anything for dw_val_class_flag.
2764
2765         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2766         instead of cselib_lookup following by tweaking locs->setting_insn.
2767
2768         PR bootstrap/43596
2769         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2770         even before returning from label, setjmp call or volatile asm
2771         handling.
2772
2773 2010-03-31  Richard Guenther  <rguenther@suse.de>
2774
2775         PR middle-end/43600
2776         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2777         temporary data on stack.
2778
2779 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2780
2781         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2782         (PUSHSECTION_ASM_OP): Remove.
2783         (POPSECTION_ASM_OP): Remove.
2784         (PUSHSECTION_FORMAT): Remove.
2785         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2786         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2787         * config/sol2.c (solaris_output_init_fini): Use it.
2788
2789 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2790
2791         PR 43574
2792         * opt-functions.awk (var_type_struct): Use signed char type
2793         for simple variables.
2794
2795 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2796
2797         * config/sol2.c: Include output.h.
2798         (solaris_assemble_visibility): New function.
2799         * config/t-sol2 (sol2.o): Add output.h dependency.
2800         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2801         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2802         Redefine.
2803
2804 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2805
2806         PR target/43580
2807         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2808         V2SImode or XFmode on PRE_DEC.
2809
2810         PR debug/43557
2811         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2812         BLKmode.
2813
2814 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2815
2816         PR 43562
2817         * reload.h (caller_save_initialized_p): Declare.
2818         * toplev.c (backend_init_target): Don't call
2819         init_caller_save but set caller_save_initialized_p to false.
2820         * caller-save.c (caller_save_initialized_p): Define.
2821         (init_caller_save): Check caller_save_initialized_p.
2822         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2823
2824 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2825
2826         PR target/39048
2827         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2828         and soft-fp/t-softfp to tmake_file.
2829         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2830         (LIBGCC2_TF_CEXT): Define.
2831         (TF_SIZE): Define.
2832
2833 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2834
2835         PR debug/42977
2836         * cselib.c (n_useless_values): Document handling of debug locs.
2837         (n_useless_debug_values, n_debug_values): New variables.
2838         (new_elt_loc_list): Don't add to debug values, keep count.
2839         (promote_debug_loc): New.
2840         (cselib_reset_table): Zero new variables.
2841         (entry_and_rtx_equal_p): Promote debug locs.
2842         (discard_useless_locs): Increment n_useless_debug_values for
2843         debug values.
2844         (remove_useless_values): Adjust n_useless_values and n_debug_values
2845         with n_useless_debug_values.
2846         (add_mem_for_addr): Promote debug locs.
2847         (cselib_lookup_mem): Likewise.
2848         (cselib_lookup_addr): Renamed to...
2849         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2850         (cselib_log_lookup): ... this.  Turn into...
2851         (cselib_lookup_addr): ... new wrapper.
2852         (cselib_lookup_from_insn): New.
2853         (cselib_invalidate_regno): Increment n_useless_debug_values for
2854         debug values.
2855         (cselib_invalidate_mem): Likewise.
2856         (cselib_process_insn): Take n_deleted and n_debug_values into
2857         account to guard remove_useless_value call.
2858         (cselib_finish): Zero n_useless_debug_values.
2859         * cselib.h (cselib_lookup_from_insn): Declare.
2860         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2861         (sched_analyze_2): Likewise.
2862
2863 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2864
2865         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2866         functions.
2867         (adjust_mems): Replace narrowing SUBREG of expression containing
2868         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2869         with operations in the narrower mode.
2870
2871         PR debug/43593
2872         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2873         regs_invalidated_by_call instead all call_used_reg_set registers.
2874
2875 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         PR middle-end/43430
2878         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2879         pointer comparisons with types_compatible_p.
2880         * tree-vect-stmts.c (vectorizable_call): Same.
2881         (vectorizable_condition): Same.
2882
2883 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2884
2885         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2886         stack check if the mask would be zero.
2887
2888 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2889             Jack Howarth <howarth@bromo.med.uc.edu>
2890
2891         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2892         variables TLS.
2893
2894 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2895
2896         PR other/25232
2897         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2898         and __unordtf2.
2899         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2900         Include ___unordxf2 and ___unordtf2.
2901         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2902         GCC_4.4.0 here.
2903
2904 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2905
2906         * config/lm32/t-lm32: New file.
2907         * config.gcc: Use the above file when targetting lm32.
2908
2909 2010-03-28  Duncan Sands  <baldrick@free.fr>
2910
2911         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2912
2913 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         PR middle-end/43431
2916         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2917         Improve vectorization cost model diagnostic.
2918
2919 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2920
2921         PR middle-end/43436
2922         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2923         compute_data_dependences_for_loop returns false, early exit
2924         and output an extra diagnostic for the failed data reference
2925         analysis.
2926
2927 2010-03-29  Richard Guenther  <rguenther@suse.de>
2928
2929         PR tree-optimization/43560
2930         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2931         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2932
2933 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2934
2935         PR 43564
2936         * toplev.c (process_options): Set optimization_default_node
2937         and optimization_current_node.
2938         * opts.c (decode_options): Don't set optimization_default_node
2939         and optimization_current_node.
2940
2941 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2942
2943         * config/rtems.h: Abandon -qrtems_debug.
2944
2945 2010-03-28  Jan Hubicka  <jh@suse.cz>
2946
2947         PR tree-optimization/43505
2948         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2949         map should not be copied.
2950
2951 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2952
2953         PR middle-end/41674
2954         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2955         cdtors, set DECL_PRESERVE_P.
2956         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2957         should be preseved.
2958
2959 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2960
2961         PR tree-optimization/43528
2962         * stor-layout.c (place_field): Check that constant fits into
2963         unsigned HWI when skipping calculation of MS bitfield layout.
2964
2965 2010-03-27  Jan Hubicka  <jh@suse.cz>
2966
2967         PR middle-end/43391
2968         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2969         notice_global_symbol work.
2970
2971 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2972
2973         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2974         instead of dwarf2out_decl.
2975         (struct var_loc_node): Remove section_label field.
2976         (dwarf2out_function_decl): New function.
2977         (dwarf2out_var_location): Don't set section_label field.
2978         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2979
2980 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2981
2982         PR tree-optimization/43544
2983         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2984         First argument for builtin vectorized function hook is now a
2985         tree to be able to distinguish between machine specific and
2986         standard builtins.
2987         * targhooks.c (default_builtin_vectorized_function): Ditto.
2988         * targhooks.h (default_builtin_vectorized_function): Ditto.
2989         * target.h (struct gcc_target): Ditto.
2990         * tree-vect-stmts.c (vectorizable_function): Ditto.
2991         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2992         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2993         Ditto.
2994
2995 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2996
2997         PR c/43381
2998         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2999         nested binding iff it is a FUNCTION_DECL.
3000         (store_parm_decls_newstyle): Pass nested=true to bind for
3001         FUNCTION_DECLs amongst parameters.
3002
3003 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3004
3005         * var-tracking.c (vt_expand_loc_callback): Don't run
3006         cselib_expand_value_rtx_cb in dummy mode if
3007         cselib_dummy_expand_value_rtx_cb returned false.
3008
3009         * var-tracking.c (emit_note_insn_var_location): For one part
3010         notes with offset 0, don't add EXPR_LIST around the location.
3011         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3012         add_location_or_const_value_attribute): Adjust for that change.
3013
3014         PR debug/43540
3015         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3016         into first operand and location into second.
3017         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3018         dw_cfi_oprnd_loc for DW_CFA_expression.
3019         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3020         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3021         assume first argument is regnum and second argument is location.
3022
3023 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3024
3025         PR target/42113
3026         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3027         of scratch register to DImode.  Split to DImode comparison operator.
3028         Use SImode subreg of scratch register in the multiplication.
3029         (*cmp_sadd_sidi): Ditto.
3030         (*cmp_ssub_si): Ditto.
3031         (*cmp_ssub_sidi): Ditto.
3032
3033 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         PR target/43524
3036         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3037         Remove invalid assert and wrong comment.
3038
3039 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3040
3041         PR debug/43516
3042         * flags.h (final_insns_dump_p): New extern.
3043         * final.c (final_insns_dump_p): New variable.
3044         (rest_of_clean_state): Set it before -fdump-final-insns=
3045         dumping, clear afterwards.
3046         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3047         MEM_ALIAS_SET on MEMs.
3048
3049 2010-03-26  David S. Miller  <davem@davemloft.net>
3050
3051         * configure.ac: Fix sparc GOTDATA_OP bug check.
3052         * configure: Rebuild.
3053
3054 2010-03-26  Alan Modra  <amodra@gmail.com>
3055
3056         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3057
3058 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3059
3060         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3061         TLS_SECTION_ASM_FLAG.
3062
3063 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3064
3065         PR bootstrap/43511
3066         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3067         Clear first_function_block_is_cold.
3068
3069         PR c/43385
3070         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3071         argument if the argument is truth_value_p.
3072
3073 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3074
3075         * config/rs6000/constraints.md: Update copyright year for my changes.
3076
3077         PR target/43484
3078         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3079         used in reg+reg addressing, swap registers.
3080
3081 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3082
3083         PR debug/43293
3084         * target.h (struct gcc_target): Add code_end hook.
3085         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3086         if not yet defined.
3087         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3088         * toplev.c (compile_file): Call targetm.asm_out.code_end
3089         hook before unwind info/debug info output.
3090         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3091         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3092         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3093         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3094         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3095         * config/i386/i386.c (ix86_file_end): Renamed to...
3096         (ix86_code_end): ... this.  Make static.  Don't call
3097         file_end_indicate_exec_stack.  Emit unwind info using
3098         final_start_function/final_end_function.
3099         (darwin_x86_file_end): Remove.
3100         (TARGET_ASM_CODE_END): Define.
3101         * config/i386/i386.h (TARGET_ASM_FILE_END,
3102         NEED_INDICATE_EXEC_STACK): Don't define.
3103         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3104         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3105         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3106         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3107
3108         PR target/43498
3109         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3110         at the beginning and final_end_function at the end.
3111         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3112
3113 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3114
3115         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3116         and Sun as TLS syntax.
3117         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3118         * configure: Regenerate.
3119         * config.in: Regenerate.
3120         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3121         (default_elf_asm_named_section): Use it.
3122         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3123         (i386_output_dwarf_dtprel): Likewise.
3124         (output_addr_const_extra): Likewise.
3125         (output_pic_addr_const): Lowercase @GOTTPOFF.
3126         (output_addr_const_extra): Likewise.
3127         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3128         (output_addr_const_extra): Likewise.
3129         (output_pic_addr_const): Lowercase @INDNTPOFF.
3130         (output_addr_const_extra): Likewise.
3131         (output_pic_addr_const): Lowercase @NTPOFF.
3132         (output_addr_const_extra): Likewise.
3133         (output_pic_addr_const): Lowercase @TPOFF.
3134         (output_addr_const_extra): Likewise.
3135         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3136         (*tls_global_dynamic_64): Likewise.
3137         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3138         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3139
3140         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3141         (ASM_OUTPUT_TLS_COMMON): Use it.
3142         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3143
3144         PR target/38118
3145         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3146         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3147         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3148         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3149         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3150         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3151
3152 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3153
3154         * config/i386/i386.c (override_options): Don't accept
3155         -mtls-dialect=sun any longer.
3156         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3157         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3158         (*tls_local_dynamic_base_32_sun): Likewise.
3159         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3160
3161 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3162
3163         PR debug/43508
3164         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3165         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3166
3167         PR debug/43479
3168         * ira.c (adjust_cleared_regs): New function.
3169         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3170
3171         PR debug/19192
3172         PR debug/43479
3173         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3174         from gimple_block.
3175         * expr.c (expand_expr_real): Restore previous
3176         curr_insn_source_location and curr_insn_block after
3177         expand_expr_real_1 call.
3178         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3179         instead of expand_expr_real_1.
3180
3181 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3182
3183         PR rtl-optimization/43413
3184         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3185         hard regs too.
3186
3187 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3188
3189         PR target/43348
3190         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3191         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3192
3193 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3194
3195         * config/i386/i386.c (ix86_target_string): Add -mfma.
3196         Fix a typo in comment.
3197
3198 2010-03-22  Mike Stump  <mikestump@comcast.net>
3199
3200         PR target/23071
3201         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3202         Don't overly align based upon packed packed fields.
3203
3204 2010-03-22  Jason Merrill  <jason@redhat.com>
3205
3206         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3207         Use () rather than [], and move before the element type.
3208
3209 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3210
3211         * doc/configfiles.texi (Configuration Files): Removed
3212         fixinc/Makefile*, intl/Makefile.*.
3213         * doc/makefile.texi: Fixed markup. Abstract from version
3214         control system used.
3215         (Makefile): Removed obsolete gcc/java/parse.y example.
3216         * doc/sourcebuild.texi: Likewise.
3217         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3218         libgomp, libssp.  Removed fastjar.
3219         (Miscellaneous Docs): Clarify location.
3220         Added COPYING3, COPYING3.LIB.
3221         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3222
3223 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3224
3225         PR target/38085
3226         * config/i386/i386.c (x86_function_profiler)
3227         [!NO_PROFILE_COUNTERS]: Fix typo.
3228         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3229         instead of callq.
3230
3231 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3232             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3233
3234         * doc/sourcebuild.texi (Test Directives): Split into six
3235         subsections, with most of the current text in new subsections
3236         Directives, Selectors, and Final Actions.
3237         (Directives): Split list of test directives into multiple
3238         subsubsections.
3239         (Selectors): Describe use and syntax of selectors.
3240         (Effective-Target Keywords): Describe all existing keywords.
3241         (Add Options): Describe features for dg-add-options.
3242         (Require Support): Describe variants of dg-require-support.
3243         (Final Actions): Describe commands to use in dg-final.
3244
3245 2010-03-22  Michael Matz  <matz@suse.de>
3246
3247         PR middle-end/43475
3248         * recog.c (validate_replace_rtx_group): Replace also in
3249         REG_EQUAL and REG_EQUIV notes.
3250
3251 2010-03-22  Richard Guenther  <rguenther@suse.de>
3252
3253         PR tree-optimization/43390
3254         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3255         sure vector extracts are type correct.
3256
3257 2010-03-22  Richard Guenther  <rguenther@suse.de>
3258
3259         PR middle-end/40106
3260         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3261         x * sqrt (x) even when optimizing for size if the target
3262         has native support for sqrt.
3263
3264 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3265
3266         * varasm.c (make_decl_rtl_for_debug): Also clear
3267         flag_mudflap for the duration of make_decl_rtl call.
3268
3269         PR debug/43443
3270         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3271         locs from preserved VALUEs.
3272
3273 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3274
3275         PR middle-end/42718
3276         * pa.md (movmemsi): Set align to one if zero.
3277         (movmemdi): Likewise.
3278
3279 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3280
3281         PR target/42321
3282         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3283         with their corresponding prologue pushes.
3284
3285 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3286
3287         PR target/43156
3288         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3289         at the begining or end.
3290         (spu_expand_epilogue): Likewise.
3291
3292 2010-03-20  Richard Guenther  <rguenther@suse.de>
3293
3294         PR rtl-optimization/43438
3295         * combine.c (make_extraction): Properly zero-/sign-extend an
3296         extraction of the low part of a CONST_INT.  Also handle
3297         CONST_DOUBLE.
3298
3299 2010-03-19  Mike Stump  <mikestump@comcast.net>
3300
3301         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3302         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3303         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3304
3305 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3306
3307         PR c/43211
3308         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3309         an error.
3310
3311 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3312
3313         PR rtl-optimization/42258
3314         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3315         use that may match DEF.
3316
3317         PR target/40697
3318         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3319         the cost of loading the constant rather than assuming
3320         COSTS_N_INSNS (1).
3321         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3322         outer code is AND, do the same tests as the andsi3 expander and
3323         return COSTS_N_INSNS (1) if and is cheap.
3324
3325         * optabs.c (avoid_expensive_constant): Fix formatting.
3326
3327 2010-03-19  Michael Matz  <matz@suse.de>
3328
3329         PR c++/43116
3330         * attribs.c (decl_attributes): When rebuilding a function pointer
3331         type use the same qualifiers as the original pointer type.
3332
3333 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3334
3335         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3336         and is_gimple_ip_invariant_address.
3337
3338 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3339
3340         Revert
3341         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3342
3343         * config/arm/arm.c (arm_override_options): Turn off
3344         flag_dwarf2_cfi_asm for AAPCS variants.
3345
3346 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3347
3348         PR target/43399
3349         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3350         Use PRE_MODIFY instead of PRE_DEC.
3351         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3352         (vfp_emit_fstmd): Likewise.
3353
3354 2010-03-19  Michael Matz  <matz@suse.de>
3355
3356         PR target/43305
3357         * builtins.c (expand_builtin_interclass_mathfn,
3358         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3359         if that fails.
3360
3361 2010-03-19  Richard Guenther  <rguenther@suse.de>
3362
3363         PR tree-optimization/43415
3364         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3365         (phi_translate_1): ... this.
3366         (phi_translate): Move all caching here.  Cache all NARY
3367         and REFERENCE translations.
3368
3369 2010-03-19  David S. Miller  <davem@davemloft.net>
3370
3371         With help from Eric Botcazou.
3372         * config/sparc/sparc.c: Include dwarf2out.h.
3373         (emit_pic_helper): Delete.
3374         (pic_helper_symbol_name): Delete.
3375         (pic_helper_emitted_p): Delete.
3376         (pic_helper_needed): New.
3377         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3378         (get_pc_thunk_name): New.
3379         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3380         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3381         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3382         (sparc_expand_prologue): Update load_pic_register call.
3383         (sparc_output_mi_thunk): Likewise.
3384         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3385         thunk if possible.  Output CFI information as needed.
3386
3387 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3388             Jack Howarth <howarth@bromo.med.uc.edu>
3389
3390         PR target/36399
3391         * config/i386/i386.h: Fix ABI on darwin x86-32.
3392
3393 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3394
3395         * tree.h: Declare make_decl_rtl_for_debug.
3396         * varasm.c (make_decl_rtl_for_debug): New.
3397         * dwarf2out.c (rtl_for_decl_location): Call it.
3398         * cfgexpand.c (expand_debug_expr): Call it.
3399
3400 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3401
3402         PR bootstrap/43399
3403         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3404         mem_mode.
3405
3406         PR bootstrap/43403
3407         * var-tracking.c (vt_init_cfa_base): Do nothing if
3408         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3409
3410 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3411
3412         PR debug/42873
3413         * var-tracking.c (canonicalize_vars_star): New.
3414         (dataflow_post_merge_adjust): Use it.
3415
3416 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3417
3418         PR debug/43058
3419         * var-tracking.c (non_suitable_const): New function.
3420         (add_uses): For DEBUG_INSNs with constants, don't record any
3421         value, instead just the constant value itself.
3422         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3423         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3424         (emit_notes_in_bb): Likewise.
3425         (emit_note_insn_var_location): For onepart variables if
3426         cur_loc is a VOIDmode constant, use DECL_MODE.
3427
3428 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3429
3430         PR middle-end/42450
3431         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3432         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3433         all non-clones.  Moved call redirection...
3434         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3435         (cgraph_materialize_all_clones): Dispose of all
3436         combined_args_to_skip bitmaps.
3437         (verify_cgraph_node): Do not check for edges pointing to wrong
3438         nodes in inline clones.
3439         * tree-inline.c (copy_bb): Call
3440         cgraph_redirect_edge_call_stmt_to_callee.
3441         * ipa.c (cgraph_remove_unreachable_nodes): Call
3442         cgraph_node_remove_callees even when there are used clones.
3443
3444 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3445
3446         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3447
3448 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3449