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1 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * varasm.c (IN_NAMED_SECTION): Remove guard.
4         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
5         (IN_NAMED_SECTION_P): ...this.
6         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
7         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8
9 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
10
11         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
12         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
13         of shadowing it.  Fix comments.
14
15 2010-04-26  Jan Hubicka  <jh@suse.cz>
16
17         * cgraph.c (cgraph_create_node): Set node frequency to normal.
18         (cgraph_clone_node): Copy function frequency.
19         * cgraph.h (node_frequency): New enum
20         (struct cgraph_node): Add.
21         * final.c (rest_of_clean_state): Update.
22         * lto-cgraph.c (lto_output_node): Output node frequency.
23         (input_overwrite_node): Input node frequency.
24         * tre-ssa-loop-ivopts (computation_cost): Update.
25         * lto-streamer-out.c (output_function): Do not output function
26         frequency.
27         * predict.c (maybe_hot_frequency_p): Update and handle functions
28         executed once.
29         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
30         attribute lookup.
31         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
32         (compute_function_frequency): Set noreturn functions to be executed
33         once.
34         (choose_function_section): Update.
35         * lto-streamer-in.c (input_function): Do not input function frequency.
36         * function.c (allocate_struct_function): Do not initialize function
37         frequency.
38         * function.h (function_frequency): Remove.
39         (struct function): Remove function frequency.
40         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
41         (try_update): Update.
42         * tree-inline.c (initialize_cfun): Do not update function frequency.
43         * passes.c (pass_init_dump_file): Update.
44         * i386.c (ix86_compute_frame_layout): Update.
45         (ix86_pad_returns): Update.
46
47 2010-04-26  Jie Zhang  <jie@codesourcery.com>
48
49         PR tree-optimization/43833
50         * tree-vrp.c (range_int_cst_p): New.
51         (range_int_cst_singleton_p): New.
52         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
53         when both operands are constants.  Use range_int_cst_p in
54         BIT_IOR_EXPR case.
55
56 2010-04-26  Jan Hubicka  <jh@suse.cz>
57
58         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
59
60 2010-04-26  Richard Guenther  <rguenther@suse.de>
61
62         PR lto/43080
63         * gimple.c (gimple_decl_printable_name): Deal gracefully
64         with a NULL DECL_NAME.
65
66 2010-04-26  Richard Guenther  <rguenther@suse.de>
67
68         PR lto/42425
69         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
70         if emitting debug information and it is either a function
71         or a namespace decl.
72
73 2010-04-26  Ira Rosen  <irar@il.ibm.com>
74
75         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
76         determine if the statement is vectorizable, and a macro to 
77         access it.
78         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
79         Skip statements that can't be vectorized. If the analysis 
80         fails, mark the statement as unvectorizable if vectorizing 
81         basic block.
82         (vect_compute_data_refs_alignment): Likewise.
83         (vect_verify_datarefs_alignment): Skip statements marked as 
84         unvectorizable. Add print.
85         (vect_analyze_group_access): Skip statements that can't be 
86         vectorized. If the analysis fails, mark the statement as 
87         unvectorizable if vectorizing basic block.
88         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
89         Likewise.
90         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
91         generated stmts for SLP.
92         (new_stmt_vec_info): Initialize the new field.
93         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
94         statements marked as unvectorizable.
95
96 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
97
98         * c-common.c (flag_isoc1x): New.
99         (flag_isoc99): Update comment.
100         * c-common.h (flag_isoc1x): New.
101         (flag_isoc99): Update comment.
102         * c-cppbuiltin.c (builtin_define_float_constants): Also define
103         __<type>_DECIMAL_DIG__.
104         * c-opts.c (set_std_c1x): New.
105         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
106         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
107         * c.opt (-std=c1x, -std=gnu1x): New options.
108         * doc/cpp.texi: Mention -std=c1x.
109         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
110         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
111         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
112         * doc/standards.texi: Mention C1X.
113         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
114         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
115         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
116         Define for C1X.
117
118 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
119
120         * config/i386/gmon-sol2.c (_mcleanup): Change format string
121         placeholder from 0x%x to %#x.
122         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
123         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
124         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
125         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
126         * config/i386/i386.c (ix86_target_string): Ditto.
127         (output_pic_addr_const): Ditto.
128         (print_operand): Ditto.
129
130 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
131
132         * combine.c (find_split_point): Add third argument.  Use it
133         to find nested multiply-accumulate instructions.  Adjust calls.
134         (try_combine): Adjust call to find_split_point.
135
136 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
137
138         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
139
140 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
141
142         PR tree-optimization/41442
143         * fold-const.c (merge_truthop_with_opposite_arm): New function.
144         (fold_binary_loc): Call it.
145
146 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
147
148         * toplev.c (general_init): Set default for fdiagnostics-show-option.
149         * opts.c (common_handle_option): Allow disabling it.
150         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
151
152 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
155         between modes if both types are integral.
156
157 2010-04-23  Richard Guenther  <rguenther@suse.de>
158
159         PR tree-optimization/43572
160         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
161
162 2010-04-23  Richard Guenther  <rguenther@suse.de>
163
164         PR lto/43455
165         * tree-inline.c (tree_can_inline_p): Also check compatibility
166         of return types.
167
168 2010-04-23  Martin Jambor  <mjambor@suse.cz>
169
170         PR tree-optimization/43846
171         * tree-sra.c (struct access): New flag grp_assignment_read.
172         (build_accesses_from_assign): Set grp_assignment_read.
173         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
174         (enum mark_read_status): New type.
175         (analyze_access_subtree): Propagate grp_assignment_read, create
176         accesses also if both direct_read and root->grp_assignment_read.
177
178 2010-04-23  Martin Jambor  <mjambor@suse.cz>
179
180         PR middle-end/43835
181         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
182         function does not have type attributes.
183
184 2010-04-23  Richard Guenther  <rguenther@suse.de>
185
186         PR lto/42653
187         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
188         of FUNCTION_DECLs.
189
190 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
191
192         * sese.h (create_if_region_on_edge): Remove.
193
194         * sese.c (create_if_region_on_edge): Make static.
195
196         * tree-inline.c: Do not include ggc.h.
197
198         * expr.c: Do not include ggc.h.
199
200         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
201         dependencies.
202
203 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
204
205         PR target/43744
206         * config/sh/sh.c (find_barrier): Don't emit a constant pool
207         in the middle of insns for casesi_worker_2.
208
209 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
210
211         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
212
213 2010-04-22  Ira Rosen  <irar@il.ibm.com>
214
215         PR tree-optimization/43842
216         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
217         loop unrolling in update of exit phis. Fix comment.
218         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
219         least two reduction statements in the loop before starting SLP
220         analysis.
221
222 2010-04-22  Nick Clifton  <nickc@redhat.com>
223
224         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
225
226 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
227
228         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
229         to simplify a + ~a.
230
231 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
232
233         * tree-parloops.c (loop_parallel_p): New argument
234         parloop_obstack.  Pass it down.
235         (parallelize_loops): New variable parloop_obstack.  Initialize it,
236         pass it down, free it.
237
238         * tree-loop-linear.c (linear_transform_loops): Pass down
239         lambda_obstack.
240
241         * tree-data-ref.h (lambda_compute_access_matrices): New argument
242         of type struct obstack *.
243
244         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
245         scratch_obstack.  Initialize it, pass down, free it.
246
247         * lambda.h (lambda_loop_new): Remove.
248         (lambda_matrix_new, lambda_matrix_inverse)
249         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
250         argument of type struct obstack *.
251
252         * lambda-trans.c (lambda_trans_matrix_new): New argument
253         lambda_obstack.  Pass it down, use obstack allocation for ret.
254         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
255         it down.
256
257         * lambda-mat.c (lambda_matrix_get_column)
258         (lambda_matrix_project_to_null): Remove.
259         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
260         allocation for mat.
261         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
262         lambda_obstack.
263
264         * lambda-code.c (lambda_loop_new): New function.
265         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
266         (lambda_compute_auxillary_space, lambda_compute_target_space)
267         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
268         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
269         (build_access_matrix): New argument lambda_obstack.  Use obstack
270         allocation for am.
271         (lambda_compute_step_signs, lambda_compute_access_matrices): New
272         argument lambda_obstack.  Pass it down.
273
274 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
275
276         * optabs.h (expand_widening_mult): Declare.
277
278 2010-04-22  Richard Guenther  <rguenther@suse.de>
279
280         PR tree-optimization/43845
281         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
282         lookup the CALL_EXPR function and arguments.
283
284 2010-04-22  Nick Clifton  <nickc@redhat.com>
285
286         * config/stormy16/stormy16.c
287         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
288         * config/stormy16/stormy16.h: Tidy up formatting.
289         (DONT_USE_BUILTIN_SETJMP): Remove definition.
290         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
291         (ineqbranchsi): Delete pattern.
292         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
293         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
294         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
295         stormy16-lib2-ucmpsi2.c.
296
297 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
298
299         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
300         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
301         extra set merge_set_noclobber, and use it to relax the final test
302         slightly.
303         * df.h (df_simulate_find_noclobber_defs): Declare.
304         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
305         conditional defs.
306         (df_simulate_find_noclobber_defs): New function.
307
308 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
309
310         * config/i386/i386.md: Use {} around multi-line preparation statements.
311
312 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
313
314         * c-tree.h (push_init_level, pop_init_level, set_init_index)
315         (process_init_element): New argument of type struct obstack *.
316
317         * c-typeck.c (push_init_level, pop_init_level, set_designator)
318         (set_init_index, set_init_label, set_nonincremental_init)
319         (set_nonincremental_init_from_string, find_init_member)
320         (output_init_element, output_pending_init_elements)
321         (process_init_element): New argument braced_init_obstack.  Pass it
322         down.
323         (push_range_stack, add_pending_init): New argument
324         braced_init_obstack.  Use obstack allocation.
325
326         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
327         braced_init_obstack.  Pass it down.
328         (c_parser_braced_init): New variables ret, braced_init_obstack.
329         Initialize obstack, pass it down and finally free it.
330
331 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
332
333         PR middle-end/29274
334         * tree-pass.h (pass_optimize_widening_mul): Declare.
335         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
336         gate_optimize_widening_mul): New static functions.
337         (pass_optimize_widening_mul): New.
338         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
339         <case MULT_EXPR>: Remove support for widening multiplies.
340         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
341         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
342         simplify_gen_unary rather than directly building extensions.
343         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
344         WIDEN_MULT_EXPR.
345         * expmed.c (expand_widening_mult): New function.
346         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
347
348 2010-04-21  Jan Hubicka  <jh@suse.cz>
349
350         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
351         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
352         * lto-wpa-fixup.c: Remove.
353         * Makefile.in (lto-wpa-fixup.o): Remove.
354         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
355         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
356         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
357
358 2010-04-21  Jan Hubicka  <jh@suse.cz>
359
360         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
361         add write_optimization_summary, read_optimization_summary.
362         (ipa_write_summaries_of_cgraph_node_set): Remove.
363         (ipa_write_optimization_summaries): Declare.
364         (ipa_read_optimization_summaries): Declare.
365         * ipa-cp.c (pass_ipa_cp): Update.
366         * ipa-reference.c (pass_ipa_reference): Update.
367         * ipa-pure-const.c (pass_ipa_pure_const): Update.
368         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
369         Update.
370         * ipa-inline.c (pass_ipa_inline): Update.
371         * ipa.c (pass_ipa_whole_program): Update.
372         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
373         * passes.c (ipa_write_summaries_1): Do not test wpa.
374         (ipa_write_optimization_summaries_1): New.
375         (ipa_write_optimization_summaries): New.
376         (ipa_read_summaries): Do not test ltrans.
377         (ipa_read_optimization_summaries_1): New.
378         (ipa_read_optimization_summaries): New.
379
380 2010-04-21  Jan Hubicka  <jh@suse.cz>
381
382         * lto-cgraph.c (lto_output_node): Do not output comdat groups
383         for boundary nodes.
384         (output_cgraph): Do not arrange comdat groups for boundary nodes.
385
386 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
387
388         PR debug/40040
389         * dwarf2out.c (add_name_and_src_coords_attributes): Add
390         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
391
392 2010-04-21  Jan Hubicka  <jh@suse.cz>
393
394         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
395
396 2010-04-21  Jan Hubicka  <jh@suse.cz>
397
398         * varpool.c (decide_is_variable_needed): Variable is always needed
399         during ltrans.
400
401 2010-04-21  Jan Hubicka  <jh@suse.cz>
402
403         * opts.c (decode_options): Enable pure-const pass for whopr.
404
405 2010-04-21  Jan Hubicka  <jh@suse.cz>
406
407         * cgraph.c (dump_cgraph_node): Dump also assembler name.
408         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
409         at WPA dumping.
410         (cgraph_decide_inlining): Do not expect callee to be removed in all
411         cases.
412
413 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
414
415         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
416
417 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
418
419         * config/i386/i386.md (x86_shrd): Add athlon_decode and
420         amdfam10_decode attributes.
421
422 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
423
424         PR middle-end/43570
425         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
426         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
427         (lower_copyprivate_clauses): Use private var in outer
428         context instead of original var.  Make sure the types
429         are correct for VLAs.
430
431 2010-04-21  Richard Guenther  <rguenther@suse.de>
432
433         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
434         to non-pointer objects.
435
436 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
437
438         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
439         last chain entry if it starts with the still current label.
440         (add_location_or_const_value_attribute): Check that
441         loc_list->first->next is NULL instead of comparing ->first with ->last.
442         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
443         to add_var_loc_to_decl.
444
445         * dwarf2out.c (output_call_frame_info): For dw_cie_version
446         >= 4 add also address size and segment size fields into CIE header.
447
448         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
449         long as address size is the same as sizeof (void *) and
450         segment size is 0.
451         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
452         address size or segment size is unexpected, return DW_EH_PE_omit.
453         (classify_object_over_fdes): If get_cie_encoding returned
454         DW_EH_PE_omit, return -1.
455         (init_object): If classify_object_over_fdes returned -1,
456         pretend there were no FDEs at all.
457
458 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
459
460         * config/i386/i386.md (bswap<mode>2): Macroize expander from
461         bswap{si,di}2 using SWI48 mode iterator.
462         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
463         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
464         set modrm attribute of bswap insn to 0 and remove length attribute.
465         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
466         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
467         set mode attribute to <MODE> and remove length attribute.
468
469 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
470
471         PR rtl-optimization/43520
472         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
473         zero available registers.
474
475 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
476
477         * builtins.c (fold_builtin_cproj): Fold more cases.
478
479 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
480
481         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
482         (fold_builtin_1): Fold builtin cproj.
483         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
484         Use ATTR_CONST_NOTHROW_LIST.
485
486 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
487
488         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
489         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
490         ffsi2_no_cmove for !TARGET_CMOVE.
491         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
492         (ffssi2): Remove expander.
493         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
494         mode iterator.
495         (ctz<mode>2): Ditto from ctz{si,di}2.
496         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
497         mode iterator.
498         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
499         mode iterator.
500
501 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
502
503         * dwarf2out.c (AT_linkage_name): Define.
504         (clone_as_declaration): Handle DW_AT_linkage_name.
505         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
506         of DW_AT_MIPS_linkage_name.
507         (move_linkage_attr): Likewise.
508         (dwarf2out_finish): Likewise.
509
510 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
511
512         PR middle-end/41952
513         * fold-const.c (fold_comparison): New folding rule.
514
515 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
516
517         * double-int.h (double_int_setbit): Declare.
518         * double-int.c (double_int_setbit): New function.
519         * rtl.h (immed_double_int_const): Declare.
520         * emit-rtl.c (immed_double_int_const): New function.
521         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
522         and immed_double_int_const functions.
523         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
524         expand_copysign_bit):  (Ditto.).
525         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
526         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
527         * dojump.c (prefer_and_bit_test): (Ditto.).
528         * expr.c (convert_modes, reduce_to_bit_field_precision,
529         const_vector_from_tree): (Ditto.).
530         * expmed.c (mask_rtx, lshift_value): (Ditto.).
531
532 2010-04-20  Jan Hubicka  <jh@suse.cz>
533
534         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
535         (dump_cgraph_node): Dump new flags.
536         * cgraph.h (struct cgraph_node): Add flags
537         reachable_from_other_partition and in_other_partition.
538         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
539         other partition can not be removed.
540         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
541         the other partition must be output; silence sanity checking on
542         leaking functions bodies from other paritition.
543         * lto-cgraph.c (reachable_from_other_partition_p): New function.
544         (lto_output_node): Output new flags; do not sanity check that inline
545         clones are output; drop lto_forced_extern_inline_p code; do not mock
546         visibility flags at partition boundaries.
547         (add_node_to): New function.
548         (output_cgraph): Use it to sort functions so masters appear before
549         clones.
550         (input_overwrite_node): Input new flags.
551         * passes.c (ipa_write_summaries): Do not call
552         lto_new_extern_inline_states.
553         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
554         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
555         lto_forced_extern_inline_p): Kill.
556         * lto-streamer.h (lto_new_extern_inline_states,
557         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
558         lto_forced_extern_inline_p): Kill.
559
560 2010-04-20  Richard Guenther  <rguenther@suse.de>
561
562         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
563         from vars that can have pointers.
564         (process_constraint): Dump useless constraints.
565
566 2010-04-20  Richard Guenther  <rguenther@suse.de>
567
568         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
569         (dump_sa_points_to_info): Remove asserts.
570         (init_base_vars): nothing_id isn't an escape point nor does it
571         have pointers.
572
573 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
574
575         * tree.h (TYPE_REF_IS_RVALUE): Define.
576         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
577         should_move_die_to_comdat, prune_unused_types_walk): Handle
578         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
579         (modified_type_die, gen_reference_type_die): Emit
580         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
581         if TYPE_REF_IS_RVALUE and -gdwarf-4.
582
583 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
584
585         PR target/43635
586         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
587         calls for -fpic -m31 if they have been sibcall optimized.
588
589 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
590
591         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
592         ar.lc fixed and call-used.
593
594         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
595
596 2010-04-19  Jan Hubicka  <jh@suse.cz>
597
598         * opts.c (decode_options): Disable whpr incompatible passes.
599         * lto/lto.c (lto_1_to_1_map): Skip clones.
600         (read_cgraph_and_symbols): Do not mark everything as needed.
601         (do_whole_program_analysis): Do map only after optimizing;
602         set proper cgraph_state; use passmanager.
603
604 2010-04-19  DJ Delorie  <dj@redhat.com>
605
606         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
607         POINTER_PLUS_EXPR and fix them.
608
609 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
610
611         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
612         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
613         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
614         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
615         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
616         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
617         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
618         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
619         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
620         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
621         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
622
623 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
624
625         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
626         (check_cond_move_block): Likewise.
627         (cond_move_process_if_block): Likewise.
628         (noce_find_if_block): Improve formatting.
629         (find_if_header): Pass 0 to memset and tweak conditions.
630         (cond_exec_find_if_block): Fix long lines and tweak conditions.
631
632 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
633
634         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
635         for -gdwarf-4.
636
637         PR middle-end/43337
638         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
639         with non-local decl doesn't need chain.
640
641 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
642
643         * ira-color.c (allocno_reload_assign): Avoid accumulating
644         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
645
646 2010-04-19  Martin Jambor  <mjambor@suse.cz>
647
648         * gimple.h (create_tmp_reg): Declare.
649         * gimplify.c (create_tmp_reg): New function.
650         (gimplify_return_expr): Use create_tmp_reg.
651         (gimplify_omp_atomic): Likewise.
652         (gimple_regimplify_operands): Likewise.
653         * tree-dfa.c (make_rename_temp): Likewise.
654         * tree-predcom.c (predcom_tmp_var): Likewise.
655         (reassociate_to_the_same_stmt): Likewise.
656         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
657         (get_replaced_param_substitute): Likewise.
658         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
659         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
660         * tree-ssa-pre.c (get_representative_for): Likewise.
661         (create_expression_by_pieces): Likewise.
662         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
663         (create_tailcall_accumulator): Likewise.
664
665 2010-04-19  Martin Jambor  <mjambor@suse.cz>
666
667         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
668         new_stmt.
669         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
670
671 2010-04-19  Richard Guenther  <rguenther@suse.de>
672
673         PR tree-optimization/43796
674         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
675         from SCEV in the lattice.
676         (vrp_visit_phi_node): Dump change.
677
678 2010-04-19  Richard Guenther  <rguenther@suse.de>
679
680         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
681         * configure: Re-generated.
682
683 2010-04-19  Richard Guenther  <rguenther@suse.de>
684
685         PR tree-optimization/43783
686         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
687         constant ARRAY_REF operands two and three if possible.
688
689 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
690
691         PR target/43766
692         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
693
694 2010-04-19  Jie Zhang  <jie@codesourcery.com>
695
696         PR target/43662
697         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
698
699 2010-04-19  Ira Rosen  <irar@il.ibm.com>
700
701         PR tree-optimization/37027
702         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
703         and macro to access it.
704         (vectorizable_reduction): Add argument.
705         (vect_get_slp_defs): Likewise.
706         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
707         statements for possible use in SLP.
708         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
709         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
710         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
711         add new argument.
712         (vectorizable_reduction): Likewise.
713         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
714         vect_get_slp_defs.
715         (vectorizable_type_demotion, vectorizable_type_promotion,
716         vectorizable_store): Likewise.
717         (vect_analyze_stmt): Update call to vectorizable_reduction.
718         (vect_transform_stmt): Likewise.
719         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
720         (vect_build_slp_tree): Fix indentation. Check that there are no loads
721         from different interleaving chains in same node.
722         (vect_slp_rearrange_stmts): New function.
723         (vect_supported_load_permutation_p): Allow load permutations for
724         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
725         inside SLP nodes if necessary.
726         (vect_analyze_slp_instance): Handle reductions.
727         (vect_analyze_slp): Try to build SLP instances originating from groups
728         of reductions.
729         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
730         (vect_get_constant_vectors): Create initial vectors for reductions
731         according to reduction code. Add new argument.
732         (vect_get_slp_defs): Add new argument, pass it to
733         vect_get_constant_vectors.
734         (vect_schedule_slp_instance): Remove SLP tree root statements.
735
736 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
737
738         * tree.h (ENUM_IS_SCOPED): Define.
739         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
740         for ENUM_IS_SCOPED enums.
741
742 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
743
744         * fold-const.c (fold_comparison): Use ssizetype.
745         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
746         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
747         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
748         * tree-object-size.c (compute_object_sizes): Use size_type_node.
749
750         * tree.h (initialize_sizetypes): Remove parameter.
751         (build_common_tree_nodes): Remove second parameter.
752         * stor-layout.c (initialize_sizetypes): Remove parameter.
753         Always create an unsigned type.
754         (set_sizetype): Assert that the passed type is unsigned and simplify.
755         * tree.c (build_common_tree_nodes): Remove second parameter.
756         Adjust call to initialize_sizetypes.
757         * c-decl.c (c_init_decl_processing): Remove second argument in call to
758         build_common_tree_nodes.
759
760 2010-04-18  Matthias Klose  <doko@ubuntu.com>
761
762         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
763
764 2010-04-18  Ira Rosen  <irar@il.ibm.com>
765
766         PR tree-optimization/43771
767         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
768         load permutation doesn't have gaps.
769
770 2010-04-18  Jan Hubicka  <jh@suse.cz>
771
772         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
773         (sse_prologue_save_insn expander): Use new pattern.
774         (sse_prologue_save_insn1): New pattern and splitter.
775         (sse_prologue_save_insn): Update to deal also with 64bit aligned
776         blocks.
777         * i386.c (setup_incoming_varargs_64): Do not compute jump
778         destination here.
779         (ix86_gimplify_va_arg): Update alignment needed.
780         (ix86_local_alignment): Do not align all local arrays to 128bit.
781
782 2010-04-17  Jan Hubicka  <jh@suse.cz>
783
784         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
785
786 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
787
788         * arm.md (negdi2): Remove redundant code to force values into a
789         register.
790
791 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
792
793         * arm/bpabi.S: Add EABI alignment attributes to objects.
794         * arm/bpabi-v6m.S: Likewise.
795         * arm/crti.asm: Likewise.
796         * arm/crtn.asm: Likewise.
797         * arm/lib1funcs.asm: Likewise.
798         * arm/libunwind.S: Likewise.
799
800 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
801
802         * arm-protos.h (tune_params): New structure.
803         * arm.c (current_tune): New variable.
804         (arm_constant_limit): Delete.
805         (struct processors): Add pointer to the tune parameters.
806         (arm_slowmul_tune): New tuning option.
807         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
808         (all_cores): Adjust to pick up the tuning model.
809         (arm_constant_limit): New function.
810         (arm_override_options): Select the appropriate tuning model.  Delete
811         initialization of arm_const_limit.
812         (arm_split_constant): Use the new constant-limit model.
813         (arm_rtx_costs): Pick up the current tuning model.
814         * arm.md (is_strongarm, is_xscale): Delete.
815         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
816         for Xscale variant architectures.
817         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
818
819 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
820
821         * config/arm/arm.c (arm_gen_constant): Remove unused variable
822         can_shift.
823         (arm_rtx_costs_1): Remove unused variable extra_cost.
824         (arm_unwind_emit_set): Use variable offset.
825         (thumb1_output_casesi): Remove unused variable flags.
826
827 2010-04-16  Jeff Law  <law@redhat.com>
828
829         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
830         needing assignment rather than doing a two-phase assignment.  Remove
831         unused variable 'm'.
832
833 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
834
835         PR bootstrap/43767
836         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
837
838 2010-04-16  Doug Kwan  <dougkwan@google.com>
839
840         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
841         (next_operand_entry_id): New static variable.
842         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
843         (add_to_ops_vec): Assigned unique ID to operand entry.
844         (struct oecount_s): New field ID.
845         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
846         (undistribute_ops_list): Assign unique IDs to oecounts.
847         (init_reassoc): reset next_operand_entry_id.
848
849 2010-04-16  Doug Kwan  <dougkwan@google.com>
850
851         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
852         missing left parenthesis.
853
854 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
855
856         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
857         *btdi_rex64 using SWI48 mode iterator.
858         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
859         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
860         *jcc_btdi_mask_rex64.
861
862 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
863
864         * double-int.h (tree_to_double_int): Convert to macro.
865         * double-int.c (tree_to_double_int): Remove.
866
867 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
868
869         PR debug/43762
870         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
871         with want_address 2 and in case a single element list might be
872         possible, call it again with want_address 0.
873
874 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
875
876         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
877         case 'W' print operands for HI mode.
878         * config/h8300/h8300.h (Y0, Y2) : New constraints.
879         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
880         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
881         * config/h8300/predicate.md (bit_register_indirect_operand): New.
882
883         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
884
885         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
886         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
887         #xx:3 and #xx:4 mode.
888
889         * config/h8300/h8300.md (inverted load with HImode dest): Add
890         support for H8300SX.
891
892         * config/h8300/predicate.md (bit_operand): Allow immediate values that
893         satisfy 'U' constraint.
894
895 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
896
897         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
898         * configure: Regenerate.
899         * config.in: Regenerate.
900         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
901         works.
902
903 2010-04-16  Richard Guenther  <rguenther@suse.de>
904
905         * tree.h (struct tree_decl_minimal): Move pt_uid ...
906         (struct tree_decl_common): ... here.
907         (DECL_PT_UID): Adjust.
908         (SET_DECL_PT_UID): Likewise.
909         (DECL_PT_UID_SET_P): Likewise.
910
911 2010-04-16  Richard Guenther  <rguenther@suse.de>
912
913         PR tree-optimization/43572
914         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
915         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
916         * tree-flow.h (is_call_clobbered): Remove.
917         * tree-flow-inline.h (is_call_clobbered): Likewise.
918         * tree-dfa.c (dump_variable): Do not dump call clobber state.
919         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
920         (execute_return_slot_opt): Adjust.
921         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
922         check for call clobbered vars here.
923         (find_tail_calls): Move tailcall verification to the
924         proper place.
925
926 2010-04-16  Diego Novillo  <dnovillo@google.com>
927
928         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
929
930 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
931
932         PR target/40603
933         * config/arm/arm.md (cbranchqi4): New pattern.
934         * config/arm/predicates.md (const0_operand,
935         cbranchqi4_comparison_operator): New predicates.
936
937 2010-04-16  Richard Guenther  <rguenther@suse.de>
938
939         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
940         (dump_gimple_stmt): Likewise.
941
942 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
943
944         * recog.h (struct recog_data): New field is_operator.
945         (struct insn_operand_data): New field is_operator.
946         * recog.c (extract_insn): Set recog_data.is_operator.
947         * genoutput.c (output_operand_data): Emit code to set the
948         is_operator field.
949         * reload.c (find_reloads): Use it rather than testing for an
950         empty constraint string.
951
952         PR target/41514
953         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
954         If the previous insn is a cbranchsi4_insn with the same arguments,
955         omit the compare instruction.
956
957         * config/arm/arm.md (addsi3_cbranch): If destination is a high
958         register, inputs must be low registers and we need a low register
959         scratch.  Handle alternative 2 like alternative 3.
960
961 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
962
963         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
964         don't call get_addr on both.  If one expression is a VALUE and
965         the other a REG, check VALUE's locs if the REG isn't among them.
966
967 2010-04-16  Christian Bruel  <christian.bruel@st.com>
968
969         * config/sh/sh.h (sh_frame_pointer_required): New function.
970         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
971         (flag_omit_frame_pointer) Set.
972         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
973         (rounded_frame_size): Adjust size with outgoing_args_size.
974         (sh_set_return_address): Must return from stack pointer.
975         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
976         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
977         (ACCUMULATE_OUTGOING_ARGS): Define.
978         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
979         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
980
981 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
982
983         PR target/43471
984         * config/sh/sh.c (sh_legitimize_reload_address): Use
985         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
986         Remove a unneeded check for offset_base.
987
988 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
989
990         * configure: Regenerated.
991
992 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
993
994         * config/s390/s390.c (s390_call_save_register_used): Switch back
995         to HARD_REGNO_NREGS.
996
997 2010-04-15  Richard Guenther  <rguenther@suse.de>
998
999         * alias.c (alias_set_subset_of): Handle alias-set zero
1000         child properly.
1001
1002 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1003             Julian Brown  <julian@codesourcery.com>
1004
1005         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1006         alternatives according to use of high and low regs.
1007         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1008         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1009         optimizing for size on Thumb-2.
1010
1011 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1012
1013         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1014
1015 2010-04-15  Richard Guenther  <rguenther@suse.de>
1016
1017         * tree-ssa-structalias.c (struct variable_info): Add
1018         is_fn_info flag.
1019         (new_var_info): Initialize it.
1020         (dump_constraints): Support printing last added constraints.
1021         (debug_constraints): Adjust.
1022         (dump_constraint_graph): Likewise.
1023         (make_heapvar_for): Check for NULL cfun.
1024         (get_function_part_constraint): New function.
1025         (get_fi_for_callee): Likewise.
1026         (find_func_aliases): Properly implement IPA PTA constraints.
1027         (process_ipa_clobber): New function.
1028         (find_func_clobbers): Likewise.
1029         (insert_into_field_list_sorted): Remove.
1030         (create_function_info_for): Properly allocate vars for IPA mode.
1031         Do not use insert_into_field_list_sorted.
1032         (create_variable_info_for): Properly generate constraints for
1033         global vars in IPA mode.
1034         (dump_solution_for_var): Always dump the solution.
1035         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1036         (find_what_var_points_to): Adjust.
1037         (pt_solution_set): Change.
1038         (pt_solution_ior_into): New function.
1039         (pt_solution_empty_p): Export.
1040         (pt_solution_includes_global): Adjust.
1041         (pt_solution_includes_1): Likewise.
1042         (pt_solutions_intersect_1): Likewise.
1043         (dump_sa_points_to_info): Check some invariants.
1044         (solve_constraints): Move constraint dumping ...
1045         (compute_points_to_sets): ... here.
1046         (ipa_pta_execute): ... and here.
1047         (compute_may_aliases): Do not re-compute points-to info
1048         locally if IPA info is available.
1049         (ipa_escaped_pt): New global var.
1050         (ipa_pta_execute): Properly implement IPA PTA.
1051         * tree-into-ssa.c (dump_decl_set): Support dumping
1052         decls not in referenced-vars.
1053         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1054         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1055         (dump_points_to_solution): Likewise.
1056         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1057         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1058         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1059         (copy_decl_to_var): Copy DECL_PT_UID.
1060         (copy_result_decl_to_var): Likewise.
1061         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1062         (copy_node_stat): Copy it.
1063         * tree.h (DECL_PT_UID): New macro.
1064         (SET_DECL_PT_UID): Likewise.
1065         (DECL_PT_UID_SET_P): Likewise.
1066         (struct tree_decl_minimal): Add pt_uid member.
1067         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1068         (pt_solution_empty_p): Declare.
1069         (pt_solution_set): Adjust.
1070         (ipa_escaped_pt): Declare.
1071         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1072         * gimple-pretty-print.c (pp_points_to_solution): New function.
1073         (dump_gimple_call): Dump call clobber/use information.
1074         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1075         * tree-pass.h (TDF_ALIAS): New dump option.
1076         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1077         * doc/invoke.texi (-fipa-pta): Update documentation.
1078
1079 2010-04-15  Richard Guenther  <rguenther@suse.de>
1080
1081         * Makefile.in (OBJS-common): Add gimple-fold.o.
1082         (gimple-fold.o): New rule.
1083         * tree.h (maybe_fold_offset_to_reference,
1084         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1085         prototypes ...
1086         * gimple.h: ... here.
1087         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1088         may_propagate_address_into_dereference): Move prototypes ...
1089         * gimple.h: ... here.
1090         * tree-ssa-ccp.c (get_symbol_constant_value,
1091         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1092         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1093         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1094         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1095         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1096         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1097         gimplify_and_update_call_from_tree): Move ...
1098         * gimple-fold.c: ... here.  New file.
1099         (ccp_fold_builtin): Rename to ...
1100         (gimple_fold_builtin): ... this.
1101         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1102
1103 2010-04-15  Richard Guenther  <rguenther@suse.de>
1104
1105         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1106         fit_double_type, force_fit_type_double, add_double_with_sign,
1107         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1108         lrotate_double, rrotate_double, div_and_round_double): Move ...
1109         * double-int.c: ... here.
1110         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1111         add_double, neg_double, mul_double_with_sign, mul_double,
1112         lshift_double, rshift_double, lrotate_double, rrotate_double,
1113         div_and_round_double): Move prototypes ...
1114         * double-int.h: ... here.
1115
1116 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1117
1118         PR target/43742
1119         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1120         matching constraints to ensure inputs match the output.
1121
1122 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1123
1124         PR target/43742
1125         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1126         in an input-only operand.
1127
1128 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1129
1130         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1131         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1132         (double_int_negative_p): Convert to static inline function.
1133         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1134         (double_int_negative_p): Remove.
1135         * tree.h (lshift_double, rshift_double):
1136         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1137         * fold-const.c (fold_convert_const_int_from_real,
1138         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1139         (lshift_double): Change type of arith argument to bool.
1140         (rshift_double): Change type of arith argument to bool. Correct
1141         comment.
1142         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1143
1144 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1145
1146         PR target/21803
1147         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1148         at the start and end of the then/else blocks, and omit them from the
1149         conversion.
1150         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1151         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1152         (flow_find_head_matching_sequence): New function.
1153         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1154         * basic-block.h (flow_find_cross_jump,
1155         flow_find_head_matching_sequence): Declare functions.
1156
1157 2010-04-14  Jason Merrill  <jason@redhat.com>
1158
1159         PR c++/36625
1160         * c-common.c (attribute_takes_identifier_p): New fn.
1161         * c-common.h: Declare it.
1162
1163 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1164
1165         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1166         splitter condition.
1167         (*udivmod<mode>4): Ditto.
1168
1169 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1170
1171         * config/i386/i386.md (maxmin_int): Rename code attribute from
1172         maxminiprefix and update all users.
1173         (maxmin_float): Ditto from maxminfprefix.
1174         (logic): Ditto from logicprefix.
1175         (absneg_mnemonic): Ditto from absnegprefix.
1176         * config/i386/mmx.md: Update all users of maxminiprefix,
1177         maxminfprefix and logicprefix for rename.
1178         * config/i386/sse.md: Ditto.
1179         * config/i386/sync.md (sync_<code><mode>): Update for
1180         logicprefix rename.
1181
1182 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1183
1184         PR 42966
1185         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1186         warnings converted to errors.
1187
1188 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1189
1190         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1191         used insn_type variable.
1192         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1193         to avoid set-but-not-used warning.
1194
1195 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1196
1197         * df-core.c (df_ref_debug): Change format string placeholder
1198         from 0x%x to %#x.
1199         * dwarf2asm.c (dw2_asm_output_data_raw,
1200         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1201         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1202         * dwarf2out.c (output_cfi, output_cfi_directive,
1203         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1204         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1205         Ditto.
1206         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1207         * print-rtl.c (print_rtx): Ditto.
1208
1209 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1210
1211         PR middle-end/42694
1212         * builtins.c (expand_builtin_pow_root): New function to expand pow
1213         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1214         series of sqrt and cbrt calls under -ffast-math.
1215         (expand_builtin_pow): Call it.
1216
1217 2010-04-14  Michael Matz  <matz@suse.de>
1218
1219         PR tree-optimization/42963
1220         * tree-cfg.c (touched_switch_bbs): New static variable.
1221         (group_case_labels_stmt): New function broken out from ...
1222         (group_case_labels): ... here, use the above.
1223         (start_recording_case_labels): Allocate touched_switch_bbs.
1224         (end_recording_case_labels): Deallocate it, call
1225         group_case_labels_stmt.
1226         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1227
1228 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1229
1230         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1231         from insn template.
1232
1233 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1236
1237 2010-04-13  Jan Hubicka  <jh@suse.cz>
1238
1239         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1240         of optimized out static functions.
1241         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1242         cost computation.  Also sanity check for overflows.
1243         (update_caller_keys): Update cgraph_edge_badness call; properly
1244         update fibheap and sanity check that it is up to date.
1245         (add_new_edges_to_heap): Update cgraph_edge_badness.
1246         (cgraph_decide_inlining_of_small_function): Likewise;
1247         add sanity checking that badness in heap is up to date;
1248         improve dumping of reason; Update badness of calls to the
1249         offline copy of function currently inlined; dump badness
1250         of functions not inlined because of unit growth limits.
1251
1252 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1253
1254         PR middle-end/32628
1255         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1256         because of sign-extension change when converting to sizetype here...
1257         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1258
1259         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1260         the folding to constants.  Remove redundant final conversion.
1261         (fold_binary) <associate>: Do not associate if the re-association of
1262         constants alone overflows.
1263         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1264         to the end of the list.
1265         (multiple_of_p) <COND_EXPR>: New case.
1266
1267 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1268
1269         * opt-functions.awk (opt_sanitized_name): New.
1270         (opt_enum): New.
1271         * optc-gen.awk: Use it
1272         * opth-gen.awk: Use it.
1273
1274 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1275
1276         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1277         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1278         children.  Call replace_uses_with_default_def_ssa_name to handle
1279         SSA_NAES on lhs.
1280
1281 2010-04-13  Michael Matz  <matz@suse.de>
1282
1283         PR middle-end/43730
1284         * builtins.c (expand_builtin_interclass_mathfn): Also create
1285         a register if the predicate doesn't match.
1286
1287 2010-04-13  Diego Novillo  <dnovillo@google.com>
1288
1289         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1290         * c-pch.c: Include timevar.h.
1291         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1292         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1293         * ggc-common.c: Include timevar.h.
1294         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1295         * timevar.def (TV_PCH_SAVE): Define.
1296         (TV_PCH_CPP_SAVE): Define.
1297         (TV_PCH_PTR_REALLOC): Define.
1298         (TV_PCH_PTR_SORT): Define.
1299         (TV_PCH_RESTORE): Define.
1300         (TV_PCH_CPP_RESTORE): Define.
1301
1302 2010-04-13  Michael Matz  <matz@suse.de>
1303
1304         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1305         into MINUS_EXPRs.
1306         (can_reassociate_p): New function.
1307         (break_up_subtract_bb, reassociate_bb): Use it.
1308
1309 2010-04-13  Richard Guenther  <rguenther@suse.de>
1310
1311         PR bootstrap/43737
1312         * builtins.c (c_readstr): Fix assert.
1313
1314 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1315
1316         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1317         when generating cltd insn.
1318
1319         (*ashl<mode>3_1): Remove special handling for register operand 2.
1320         (*ashlsi3_1_zext): Ditto.
1321         (*ashlhi3_1): Ditto.
1322         (*ashlhi3_1_lea): Ditto.
1323         (*ashlqi3_1): Ditto.
1324         (*ashlqi3_1_lea): Ditto.
1325         (*<shiftrt_insn><mode>3_1): Ditto.
1326         (*<shiftrt_insn>si3_1_zext): Ditto.
1327         (*<shiftrt_insn>qi3_1_slp): Ditto.
1328         (*<rotate_insn><mode>3_1): Ditto.
1329         (*<rotate_insn>si3_1_zext): Ditto.
1330         (*<rotate_insn>qi3_1_slp): Ditto.
1331
1332 2010-04-13  Richard Guenther  <rguenther@suse.de>
1333
1334         * tree-ssa-structalias.c (callused_id): Remove.
1335         (call_stmt_vars): New.
1336         (get_call_vi): Likewise.
1337         (lookup_call_use_vi): Likewise.
1338         (lookup_call_clobber_vi): Likewise.
1339         (get_call_use_vi): Likewise.
1340         (get_call_clobber_vi): Likewise.
1341         (make_transitive_closure_constraints): Likewise.
1342         (handle_const_call): Adjust to do per-call call-used handling.
1343         (handle_pure_call): Likewise.
1344         (find_what_var_points_to): Remove general callused handling.
1345         (init_base_vars): Likewise.
1346         (init_alias_vars): Initialize call_stmt_vars.
1347         (compute_points_to_sets): Process call-used and call-clobbered
1348         vars for call statements.
1349         (delete_points_to_sets): Free call_stmt_vars.
1350
1351 2010-04-13  Richard Guenther  <rguenther@suse.de>
1352
1353         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1354         Only add RW dependence for dependence distance zero.
1355         Adjust maximal vectorization factor according to dependences.
1356         Move alignment handling ...
1357         (vect_find_same_alignment_drs): ... here.  New function.
1358         (vect_analyze_data_ref_dependences): Adjust.
1359         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1360         (vect_analyze_data_refs): Adjust minimal vectorization factor
1361         according to data references.
1362         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1363         dependences before determining the vectorization factor.
1364         Analyze alignment after determining the vectorization factor.
1365         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1366         dependences before alignment.
1367         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1368         Adjust prototype.
1369         (vect_analyze_data_refs): Likewise.
1370         (MAX_VECTORIZATION_FACTOR): New define.
1371
1372 2010-04-13  Duncan Sands  <baldrick@free.fr>
1373
1374         * except.h (lang_eh_type_covers): Remove.
1375         * except.c (lang_eh_type_covers): Likewise.
1376
1377 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1378             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1379
1380         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1381         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1382         UNITS_PER_LONG where it is ABI relevant.
1383         (s390_return_addr_rtx): Likewise.
1384         (s390_back_chain_rtx): Likewise.
1385         (s390_frame_area): Likewise.
1386         (s390_frame_info): Likewise.
1387         (s390_initial_elimination_offset): Likewise.
1388         (save_gprs): Likewise.
1389         (s390_emit_prologue): Likewise.
1390         (s390_emit_epilogue): Likewise.
1391         (s390_function_arg_advance): Likewise.
1392         (s390_function_arg): Likewise.
1393         (s390_va_start): Likewise.
1394         (s390_gimplify_va_arg): Likewise.
1395         (s390_function_profiler): Likewise.
1396         (s390_optimize_prologue): Likewise.
1397         (s390_rtx_costs): Likewise.
1398         (s390_secondary_reload): Likewise.
1399         (s390_promote_function_mode): Likewise.
1400         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1401         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1402         registers available.
1403         (s390_unwind_word_mode): New function.
1404         (s390_function_value): Split 64 bit values into register pair if
1405         used as return value.
1406         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1407         function call parameters.  Handle parallels.
1408         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1409         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1410         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1411         (s390_expand_setmem): Remove unused variable src_addr.
1412         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1413         deal with 64 bit registers.
1414         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1415         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1416         (UNITS_PER_LONG): New macro.
1417         * libjava/include/s390-signal.h: Define extended ucontext
1418         structure containing the upper halfs of the 64 bit registers.
1419
1420 2010-04-13  Simon Baldwin  <simonb@google.com>
1421
1422         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1423
1424 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1425
1426         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1427         rvalue on the RHS if the LHS is of a non-renamable type.
1428         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1429
1430 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1431
1432         * gcc.c (cc1_options): Handle -iplugindir before processing
1433         the cc1 spec. Only add -iplugindir once.
1434         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1435         found.
1436         * common.opt (iplugindir): Remove `Separate' property, initialize.
1437         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1438         option.
1439         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1440         (distclean): Remove plugin dir.
1441         * doc/invoke.texi: Document -iplugindir.
1442
1443 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1444
1445         * doc/plugins.texi (Loading Plugins): Document short
1446         -fplugin=foo option.
1447         (Plugin API): Mention default_plugin_dir_name function.
1448
1449         * gcc.c (find_file_spec_function): Add new declaration.
1450         (static_spec_func): Use it for "find-file".
1451         (find_file_spec_function): Add new function.
1452         (cc1_options): Add -iplugindir option if -fplugin* options found.
1453
1454         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1455
1456         * plugin.c (add_new_plugin): Updated comment, and handle short
1457         plugin name.
1458         (default_plugin_dir_name): Added new function.
1459
1460         * common.opt (iplugindir): New option to set the plugin directory.
1461
1462 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1463
1464         * config/i386/i386.md (any_rotate): New code iterator.
1465         (rotate_insn): New code attribute.
1466         (rotate): Ditto.
1467         (SWIM124): New mode iterator.
1468         (<rotate_insn>ti3): New expander.
1469         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1470         any_rotate code iterator.
1471         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1472         using any_rotate code iterator and SWIM124 mode iterator.
1473         (ix86_rotlti3): New insn_and_split pattern.
1474         (ix86_rotrti3): Ditto.
1475         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1476         ix86_rotl{di,ti}3 patterns.
1477         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1478         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1479         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1480         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1481         code iterator and SWI mode iterator.
1482         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1483         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1484         code iterator.
1485         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1486         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1487         (bswap rotatert splitter): Add splitter.
1488         (bswap splitter): Macroize splitter using any_rotate code iterator.
1489         Add insn predicate to split only for TARGET_USE_XCHGB or when
1490         optimizing function for size.
1491
1492 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1493
1494         * config/pa/pa.c (emit_move_sequence): Remove use of
1495         deleted variable flag_argument_noalias.
1496
1497 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1498
1499         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1500         configurations.
1501         Add to unsupported targets list.
1502         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1503         sparc*-sun-solaris2.[567]* from target lists.
1504         * configure: Regenerate.
1505         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1506         removal.
1507         Remove Solaris 7 patch references.
1508         (Specific, sparc-sun-solaris2.7): Removed.
1509         (sparc-sun-solaris2*): Update Solaris 7 example.
1510         (sparc64-*-solaris2*): Likewise.
1511
1512 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1513
1514         * config.build (alpha*-dec-osf4*): Remove.
1515         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1516         of obsolete configurations.
1517         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1518         support.
1519         * config/alpha/t-osf4: Renamed to ...
1520         * config/alpha/t-osf5: ... this.
1521         * config/alpha/osf.h: Renamed to ...
1522         * config/alpha/osf5.h: ... this.
1523         Merged old osf5.h contents.
1524         Update comments.
1525         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1526         (EXTRA_SPECS): Removed.
1527         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1528         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1529         Document that.
1530
1531 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1532
1533         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1534
1535 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1536
1537         PR/43702
1538         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1539         __thiscall convention.
1540
1541 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1542
1543         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1544         orig_base.
1545         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1546
1547 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1548
1549         * function.c (assign_parms_initialize_all): Add unused attribute
1550         to fntype.
1551
1552 2010-04-12  Richard Guenther  <rguenther@suse.de>
1553
1554         * gsstruct.def (GSS_CALL): New.
1555         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1556         * gimple.h: Include tree-ssa-alias.h.
1557         (struct gimple_statement_call): New.
1558         (union gimple_statement_struct_d): Add gimple_call member.
1559         (gimple_call_reset_alias_info): Declare.
1560         (gimple_call_use_set): New function.
1561         (gimple_call_clobber_set): Likewise.
1562         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1563         * gimple.c (gimple_call_reset_alias_info): New function.
1564         (gimple_build_call_1): Call it.
1565         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1566         * tree-inline.c (remap_gimple_stmt): Likewise.
1567         (expand_call_inline): Remove callused handling.
1568         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1569         * tree-dfa.c (dump_variable): Likewise.
1570         * tree-parloops.c (parallelize_loops): Likewise.
1571         * tree-ssa.c (init_tree_ssa): Likewise.
1572         (delete_tree_ssa): Likewise.
1573         * tree-flow-inline.h (is_call_used): Remove.
1574         * tree-flow.h (struct gimple_df): Remove callused member.
1575         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1576         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1577         (ref_maybe_used_by_call_p_1): Simplify.
1578         (call_may_clobber_ref_p_1): Likewise.
1579         * tree-ssa-structalias.c (compute_points_to_sets): Set
1580         the call stmt used and clobbered sets.
1581         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1582         (find_tail_calls): Verify the tail call.
1583
1584 2010-04-12  Richard Guenther  <rguenther@suse.de>
1585
1586         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1587         single-iteration always-inline inlining.
1588         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1589         (cgraph_decide_inlining): Do not handle always-inline specially.
1590         (try_inline): Remove always-inline cycle detection special case.
1591         Do not recurse on always-inlines.
1592         (cgraph_early_inlining): Do not iterate if not optimizing.
1593         (cgraph_gate_early_inlining): remove.
1594         (pass_early_inline): Run unconditionally.
1595         (gate_cgraph_decide_inlining): New function.
1596         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1597         not inlining or optimizing.
1598         (cgraph_decide_inlining_of_small_functions): Also consider
1599         always-inline functions.
1600         (cgraph_default_inline_p): Return true for nodes which should
1601         disregard inline limits.
1602         (estimate_function_body_sizes): Assume zero size and time for
1603         nodes which are marked as disregarding inline limits.
1604         (cgraph_decide_recursive_inlining): Do not perform recursive
1605         inlining on always-inline nodes.
1606
1607 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1608
1609         PR bootstrap/43699
1610         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1611         for exprs satisfying handled_component_p.
1612
1613 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1616         non-constant aggregate elements.
1617
1618         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1619         is a real initialization.
1620
1621 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1622
1623         PR c/36774
1624         * c-decl.c (start_function): Move forward check for nested function.
1625
1626 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1627
1628         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1629         * config/sh/sh.c: Include reload.h.
1630         (sh_legitimize_reload_address): New.
1631         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1632         sh_legitimize_reload_address.
1633
1634 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1635
1636         * config/sh/sh.md (*movqi_pop): New insn pattern.
1637         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1638
1639 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1640
1641         * config/i386/i386.md (any_shiftrt): New code iterator.
1642         (shiftrt_insn): New code attribute.
1643         (shiftrt): Ditto.
1644         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1645         using any_shiftrt code iterator.
1646         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1647         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1648         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1649         pattern from corresponding peephole2 patterns.
1650         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1651         using any_shiftrt code iterator.
1652         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1653         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1654         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1655         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1656         *{ashr,lshr}<mode>3_cmp_zext.
1657         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1658
1659 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1660
1661         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1662         scratch register.
1663         (*lshr<mode>3_cconly): Ditto.
1664
1665 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1668         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1669         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1670         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1671         DWI mode iterator.
1672         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1673         from corresponding peephole2 patterns.
1674         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1675         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1676         and *lshrdi3_1_rex64 using SWI mode iterator.
1677         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1678         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1679         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1680         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1681         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1682         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1683         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1684         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1685         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1686         SWI mode iterator.
1687
1688 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1691         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1692         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1693         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1694         DWI mode iterator.
1695         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1696         from corresponding peephole2 patterns.
1697         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1698         (ashrsi3_cvt): Rename from ashrsi3_31.
1699         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1700         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1701         and x86_64_shift_adj_3 using SWI48 mode iterator.
1702         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1703         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1704         and *ashrdi3_1_rex64 using SWI mode iterator.
1705         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1706         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1707         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1708         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1709         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1710         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1711         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1712         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1713         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1714         SWI mode iterator.
1715         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1716         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1717         x86_shift<mode>_adj_3 expanders.
1718
1719 2010-04-10  Wei Guozhi  <carrot@google.com>
1720
1721         PR target/42601
1722         * config/arm/arm.c (arm_pic_static_addr): New function.
1723         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1724         a static symbol.
1725         (arm_output_addr_const_extra): Output expression for new pattern.
1726         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1727
1728 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1729
1730         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1731         not enabled.
1732
1733         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1734         * web.c: Include "insn-config.h" and "recog.h".
1735         (union_match_dups): New function.
1736         (web_main): Call it.
1737         (union_defs): Don't try to recognize match_dups.
1738
1739         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1740         if doing so would replace the entire pattern.
1741
1742 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1743
1744         PR target/43707
1745         PR target/43709
1746         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1747         and splitter pattern.  Change splitter operand 1 predicate to
1748         nonmemory_operand.
1749
1750 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1751
1752         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1753         lattices are addresses of CONST_DECLs with the same initial value.
1754         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1755         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1756
1757 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1758             Bernd Schmidt  <bernds@codesourcery.com>
1759
1760         * loop-invariant.c (replace_uses): New static function.
1761         (move_invariant_reg): Use it to ensure we can replace the uses.
1762
1763 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1764
1765         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1766         function template.
1767         (picochip_override_options): Enable section anchors only above -O1.
1768         (picochip_reorg): Fixed a couple of build warnings.
1769
1770 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1771
1772         * configure.ac (plugin -rdynamic test): Log result.
1773         * configure: Regenerate.
1774         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1775         (RDYNAMIC_SPEC): Define.
1776         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1777
1778 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1779
1780         * configure.ac: Determine Sun ld version numbers.
1781         (comdat_group): Restrict GNU ld version checks to gld.
1782         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1783         (enable_comdat): Support --enable-comdat.
1784         * configure: Regenerate.
1785         * doc/install.texi (Configuration): Document --enable-comdat.
1786
1787 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1788
1789         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1790         * config/sol2-gld.h: ... here.
1791         * config.gcc (sparc*-*-solaris2*): Reflect this.
1792         (i[34567]86-*-solaris2*): Use it.
1793
1794 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1795
1796         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1797         setup_clocks_p.
1798         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1799
1800 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1801
1802         PR 42965
1803         * diagnostic.c (diagnostic_initialize): Initialize
1804         some_warnings_are_errors.
1805         (diagnostic_finish): New.
1806         (diagnostic_action_after_output): Call it before exiting.
1807         (diagnostic_report_diagnostic): Do not print message here. Set
1808         some_warnings_are_errors.
1809         * diagnostic.h (diagnostic_context): Delete
1810         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1811         (diagnostic_finish): Declare.
1812         * toplev.c (toplev_main): Call it before exit.
1813
1814 2010-04-09  Jason Merrill  <jason@redhat.com>
1815
1816         PR c++/42623
1817         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1818         for incomplete type.
1819
1820         PR c++/41788
1821         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1822         based on a warning flag.
1823
1824 2010-04-09  Richard Guenther  <rguenther@suse.de>
1825
1826         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1827
1828 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1829
1830         PR bootstrap/43684
1831         * varasm.c (default_assemble_visibility): Wrap vars that are
1832         set, but unused, by targets without GAS.
1833         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1834         Remove set, but unused, vars.
1835         (rs6000_legitimize_tls_address): Likewise.
1836         (altivec_expand_dst_builtin): Likewise.
1837         * config/darwin.c (machopic_classify_symbol): Likewise.
1838         (machopic_indirection_name): Likewise.
1839
1840 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         * config/i386/i386.md (DWI): New mode iterator.
1843         (S): New mode attribute.
1844         (shift_operand): Ditto.
1845         (shift_immediate_operand): Ditto.
1846         (ashl_input_operand): Ditto.
1847         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1848         using SDWIM mode iterator.
1849         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1850         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1851         DWI mode iterator.
1852         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1853         from corresponding peephole2 patterns.
1854         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1855         and x86_64_shift_adj_1 using SWI48 mode iterator.
1856         (x86_shift<mode>_adj_2): Ditto.
1857         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1858         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1859         using SWI48 mode iterator.
1860         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1861         *ashldi3_cmp_rex64 using SWI mode iterator.
1862         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1863         *ashldi3_cconly_rex64 using SWI mode iterator.
1864         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1865         x86_shift<mode>_adj_{1,2}.
1866         (ix86_split_ashr): Ditto.
1867         (ix86_split_lshr): Ditto.
1868
1869 2010-04-09  Richard Guenther  <rguenther@suse.de>
1870
1871         * target.h (builtin_conversion): Pass in input and output types.
1872         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1873         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1874         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1875         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1876
1877         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1878         Handle AVX modes.
1879         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1880
1881 2010-04-09  Richard Guenther  <rguenther@suse.de>
1882
1883         PR target/43152
1884         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1885
1886 2010-04-09  Richard Guenther  <rguenther@suse.de>
1887
1888         * tree-vectorizer.h (struct _stmt_vec_info): Document
1889         that vectype is the type of the LHS.
1890         (supportable_widening_operation, supportable_narrowing_operation):
1891         Get both input and output vector types as arguments.
1892         (vect_is_simple_use_1): Declare.
1893         (get_same_sized_vectype): Likewise.
1894         * tree-vect-loop.c (vect_determine_vectorization_factor):
1895         Set STMT_VINFO_VECTYPE to the vector type of the def.
1896         (vectorizable_reduction): Adjust.
1897         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1898         Adjust.  Specify the output vector type.
1899         (vect_pattern_recog_1): Adjust.
1900         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1901         (vectorizable_call): Adjust.
1902         (vectorizable_conversion): Likewise.
1903         (vectorizable_operation): Likewise.
1904         (vectorizable_type_demotion): Likewise.
1905         (vectorizable_type_promotion): Likewise.
1906         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1907         the def.
1908         (vect_is_simple_use_1): New function.
1909         (supportable_widening_operation): Get both input and output
1910         vector types.
1911         (supportable_narrowing_operation): Likewise.
1912         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1913
1914 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1915
1916         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1917         __thiscall and _thiscall as predefined macros.
1918         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1919         thiscall attribute handling.
1920         (ix86_comp_type_attributes): Likewise.
1921         (ix86_function_regparm): Likewise.
1922         (ix86_return_pops_args): Likewise.
1923         (init_cumulative_args): Likewise.
1924         (find_drap_reg): Likewise.
1925         (ix86_static_chain): Likewise.
1926         (x86_this_parameter): Likewise.
1927         (x86_output_mi_thunk): Likewise.
1928         (ix86_attribute_table): Add description for thiscall attribute.
1929         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1930         * doc/extend.texi: Add documentation for thiscall.
1931
1932 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1933
1934         PR c++/28584
1935         * c.opt (Wint-to-pointer-cast): Available in C++.
1936         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1937
1938 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1939
1940         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1941         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1942         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1943         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1944         function type instead.  Reorder and simplify checks.
1945
1946         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1947
1948 2010-04-08  Jing Yu  <jingyu@google.com>
1949             Zdenek Dvorak  <ook@ucw.cz>
1950
1951         PR tree-optimization/42720
1952         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1953         loop unswitch conditions here from ...
1954         (tree_unswitch_single_loop): ... here.
1955
1956 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1957
1958         * tree-if-conv.c: Fix comments and simplify logic.
1959
1960 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1963         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1964         (main_tree_if_conversion): Update call to tree_if_conversion.
1965
1966 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1967
1968         PR 42485
1969         * doc/invoke.texi (-b,-V): Delete.
1970         * doc/tm.texi: Do not mention -b.
1971         * gcc.c (display_help): Delete -b and -V.
1972         (process_command): Delete -b and -V.
1973         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1974
1975 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1976             Wolfgang Gellerich  <gellerich@de.ibm.com>
1977
1978         Implement target hook for loop unrolling
1979         * target.h (loop_unroll_adjust): Add a new target hook function.
1980         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1981         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1982         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1983         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1984         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1985         target hook.
1986         (decide_unroll_stupid): Likewise.
1987
1988 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1989
1990         PR target/43643
1991         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1992
1993 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1994
1995         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1996         (Specific, *-*-solaris2*): Likewise.
1997         Don't prefer Sun as over GNU as.
1998
1999 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2000
2001         * config/s390/s390.c (override_options): Adjust the z10
2002           defaults for max-unroll-times, max-completely-peeled-insns
2003           and max-completely-peel-times.
2004
2005 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2006
2007         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2008         instructions for z10.
2009         (s390_expand_setmem): Likewise.
2010         (s390_expand_cmpmem): Likewise.
2011
2012 2010-04-08  Richard Guenther  <rguenther@suse.de>
2013
2014         PR tree-optimization/43679
2015         * tree-ssa-pre.c (eliminate): Only propagate copies.
2016
2017 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2018
2019         PR bootstrap/43681
2020         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2021         set but not used variable warning.
2022
2023 2010-04-08  Wei Guozhi  <carrot@google.com>
2024
2025         PR target/41653
2026         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2027         (arm_size_rtx_costs): Call the new function when optimized for size.
2028
2029 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR debug/43670
2032         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2033         op0 is not a MEM, just return NULL instead of assertion
2034         failure.
2035         (discover_nonconstant_array_refs): Don't walk debug stmts.
2036
2037 2010-04-08  Doug Kwan  <dougkwan@google.com>
2038
2039         * configure.ac: Recognize gold and do not use its version number
2040         to test ld features.
2041         * configure: Regenerate.
2042
2043 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2044
2045         PR middle-end/40815
2046         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2047         (negate_value): Move code to push elements to broken_up_substracts ...
2048         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2049         negative pair to plus_negates.
2050         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2051
2052 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2053
2054         * doc/install.texi (Configuration): Move description of
2055         --enable-lto, --with-libelf*, --enable-gold from Java section to
2056         general section.
2057
2058         * doc/generic.texi (Working with declarations)
2059         (Function Properties, C and C++ Trees): Fix typos.
2060         * doc/sourcebuild.texi (Top Level): Likewise.
2061
2062 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR c/18624
2065         * tree.h (DECL_READ_P): Define.
2066         (struct tree_decl_common): Add decl_read_flag.
2067         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2068         a set but not used warning.
2069         (merge_decls): Merge DECL_READ_P flag.
2070         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2071         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2072         * c-common.c (handle_used_attribute, handle_unused_attribute):
2073         Likewise.
2074         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2075         New prototypes.
2076         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2077         New functions.
2078         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2079         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2080         c_parser_binary_expression, c_parser_cast_expression,
2081         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2082         Call default_function_array_read_conversion instead of
2083         default_function_array_conversion where needed.
2084         (c_parser_unary_expression, c_parser_conditional_expression,
2085         c_parser_postfix_expression_after_primary, c_parser_initelt):
2086         Likewise.  Call mark_exp_read where needed.
2087         (c_parser_statement_after_labels, c_parser_asm_operands,
2088         c_parser_typeof_specifier, c_parser_sizeof_expression,
2089         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2090         where needed.
2091         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2092         New.
2093         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2094         (warn_unused_but_set_parameter): Default to warn_unused
2095         && extra_warnings.
2096         * doc/invoke.texi: Document -Wunused-but-set-variable and
2097         -Wunused-but-set-parameter.
2098
2099         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2100         used count variable.
2101         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2102         when operandN variables aren't used in the body of the expander
2103         or splitter.
2104         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2105         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2106         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2107         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2108         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2109         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2110         * tree.c (PROCESS_ARG): Likewise.
2111
2112 2010-04-07  Simon Baldwin  <simonb@google.com>
2113
2114         * diagnostic.h (diagnostic_override_option_index): New macro to
2115         set a diagnostic's option_index.
2116         * c-tree.h (c_cpp_error): Add warning reason argument.
2117         * opts.c (_warning_as_error_callback): New.
2118         (register_warning_as_error_callback): Store callback for
2119         warnings enabled via enable_warning_as_error.
2120         (enable_warning_as_error): Call callback, minor code tidy.
2121         * opts.h (register_warning_as_error_callback): Declare.
2122         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2123         response to -Werror=.
2124         (c_common_init_options): Register warning_as_error_callback in opts.c.
2125         * common.opt: Add -Wno-cpp option.
2126         * c-common.c (struct reason_option_codes_t): Map cpp warning
2127         reason codes to gcc option indexes.
2128         * (c_option_controlling_cpp_error): New function, lookup the gcc
2129         option index for a cpp warning reason code.
2130         * (c_cpp_error): Add warning reason argument, call
2131         c_option_controlling_cpp_error for diagnostic_override_option_index.
2132         * doc/invoke.texi: Document -Wno-cpp.
2133
2134 2010-04-07  Richard Guenther  <rguenther@suse.de>
2135
2136         * ipa-reference.c (mark_load): Use get_base_address.
2137         (mark_store): Likewise.
2138
2139         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2140         inserting GIMPLE_NOPs into the IL.
2141         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2142         Explicitly strip handled components and indirect references.
2143
2144         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2145         folding address expressions.
2146         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2147         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2148         operand_equal_p to compare decls.
2149         (ptr_deref_may_alias_decl_p): Likewise.
2150         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2151         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2152         Handle reversed comparison ops.
2153         * tree-sra.c (asm_visit_addr): Use get_base_address.
2154         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2155         * ipa-reference.c (mark_address): Use get_base_address.
2156
2157 2010-04-07  Richard Guenther  <rguenther@suse.de>
2158
2159         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2160         Propagate constants everywhere.
2161
2162 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR debug/43516
2165         * tree.c (MAX_INT_CACHED_PREC): Define.
2166         (nonstandard_integer_type_cache): New array.
2167         (build_nonstandard_integer_type): Cache results for precision
2168         <= MAX_INT_CACHED_PREC.
2169
2170 2010-04-07  Richard Guenther  <rguenther@suse.de>
2171
2172         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2173         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2174         * common.opt: Likewise.
2175         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2176         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2177         (nonoverlapping_memrefs_p): Likewise.
2178         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2179         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2180         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2181         OPT_fargument_noalias_global for backward compatibility.
2182
2183 2010-04-07  Richard Guenther  <rguenther@suse.de>
2184
2185         PR tree-optimization/43270
2186         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2187         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2188         * tree-ssa-pre.c (phi_translate_1): Adjust.
2189         (fully_constant_expression): Split out vn_reference handling to ...
2190         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2191         Fold reads from constant strings.
2192         (vn_reference_lookup): Handle fully constant references.
2193         (vn_reference_lookup_pieces): Likewise.
2194         * Makefile.in (expmed.o-warn): Add -Wno-error.
2195
2196 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2197
2198         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2199
2200 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2201
2202         PR driver/41594
2203         * gcc.c: Add -static-libstdc++ to list of recognized options.
2204
2205 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2206
2207         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2208
2209 2010-04-07  Richard Guenther  <rguenther@suse.de>
2210
2211         PR middle-end/42617
2212         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2213         bases build simple mem attributes to retain points-to information.
2214
2215 2010-04-07  Richard Guenther  <rguenther@suse.de>
2216
2217         PR middle-end/42617
2218         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2219         preserve points-to related information.
2220
2221 2010-04-07  Richard Guenther  <rguenther@suse.de>
2222
2223         PR middle-end/42617
2224         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2225         discard plain indirect references.
2226         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2227         * tree.c (tree_nop_conversion): Likewise.
2228
2229 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2230
2231         PR debug/43628
2232         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2233
2234 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2235
2236         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2237         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2238
2239 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2240
2241         * tree-if-conv.c: Fix indentation and comments.
2242
2243 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2244
2245         * tree-if-conv.c: Sort static functions in topological order.
2246
2247 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2248
2249         * tree-if-conv.c: Fix indentation and comments.
2250
2251 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         PR middle-end/43519
2254         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2255         lang_hooks.types.type_for_size instead of
2256         build_nonstandard_integer_type.
2257         When converting an unsigned type to signed, double its precision.
2258         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2259         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2260         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2261         use lb <= ub.
2262
2263 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2264
2265         PR middle-end/43519
2266         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2267         POINTER_PLUS_EXPR for pointer types.
2268
2269 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2270
2271         PR middle-end/43519
2272         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2273         * graphite-clast-to-gimple.c: Include langhooks.h.
2274         (max_signed_precision_type): New.
2275         (max_precision_type): Takes two types as arguments.
2276         (precision_for_value): New.
2277         (precision_for_interval): New.
2278         (gcc_type_for_interval): New.
2279         (gcc_type_for_value): New.
2280         (gcc_type_for_clast_term): New.
2281         (gcc_type_for_clast_red): New.
2282         (gcc_type_for_clast_bin): New.
2283         (gcc_type_for_clast_expr): Split up into several functions.
2284         (gcc_type_for_clast_eq): Rewritten.
2285         (compute_bounds_for_level): New.
2286         (compute_type_for_level_1): New.
2287         (compute_type_for_level): New.
2288         (gcc_type_for_cloog_iv): Removed.
2289         (gcc_type_for_iv_of_clast_loop): Rewritten.
2290         (graphite_create_new_loop): Compute the lower and upper bound types
2291         with gcc_type_for_clast_expr.
2292         (graphite_create_new_loop_guard): Same.
2293         (find_cloog_iv_in_expr): Removed.
2294         (compute_cloog_iv_types_1): Removed.
2295         (compute_cloog_iv_types): Removed.
2296         (gloog): Do not call compute_cloog_iv_types.
2297         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2298         GBB_CLOOG_IV_TYPES.
2299         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2300         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2301         (GBB_CLOOG_IV_TYPES): Removed.
2302
2303 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2304
2305         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2306         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2307         (detect_commutative_reduction): Same.
2308
2309 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2310
2311         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2312         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2313         argument.
2314         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2315         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2316         (rewrite_commutative_reductions_out_of_ssa): Same.
2317         * passes.c (execute_function_todo): Call verify_ssa for every pass
2318         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2319         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2320         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2321         with an extra argument.
2322         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2323         verify_ssa only when the extra argument is true.
2324         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2325         with an extra argument.
2326         (tree_transform_and_unroll_loop): Same.
2327
2328 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2329
2330         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2331         for all the passes of the LNO having LOOP_CLOSED_SSA.
2332         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2333         * tree-loop-distribution.c (pass_loop_distribution): Same.
2334         * tree-pass.h (TODO_verify_loops): Removed.
2335         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2336         (pass_lim): Same.
2337         (pass_tree_unswitch): Same.
2338         (pass_predcom): Same.
2339         (pass_vectorize): Same.
2340         (pass_linear_transform): Same.
2341         (pass_graphite_transforms): Same.
2342         (pass_iv_canon): Same.
2343         (pass_complete_unroll): Same.
2344         (pass_complete_unrolli): Same.
2345         (pass_parallelize_loops): Same.
2346         (pass_loop_prefetch): Same.
2347         (pass_iv_optimize): Same.
2348
2349 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2350
2351         PR middle-end/32824
2352         * passes.c (init_optimization_passes): Move pass_lim before
2353         pass_copy_prop and pass_dce_loop.
2354
2355 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR target/43667
2358         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2359         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2360         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2361         MULTI_* defines for 4 argument vpermil2p* builtins.
2362
2363 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2364
2365         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2366         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2367         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2368         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2369         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2370         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2371         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2372         Use x86_maybe_negate_const_int to output insn mnemonic.
2373         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2374         check from instruction predicate.  Update comments.
2375         * config/i386/sync.md (sync_add<mode>): Use
2376         x86_maybe_negate_const_int to output insn mnemonic.
2377
2378 2010-04-06  Jan Hubicka  <jh@suse.cz>
2379
2380         PR tree-optimization/42906
2381         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2382         IGNORE_SELF argument.  Set visited_control_parents for fully
2383         processed BBs.
2384         (find_obviously_necessary_stmts): Update call of
2385         mark_control_dependent_edges_necessary.
2386         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2387
2388 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2389
2390         * config/i386/i386.md: Remove comment about 'e' and 'E'
2391         operand modifier.
2392
2393 2010-04-06  Richard Guenther  <rguenther@suse.de>
2394
2395         PR tree-optimization/43627
2396         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2397         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2398         not varying.
2399
2400 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2401
2402         * BASE-VER: Change to 4.6.0.
2403
2404         PR target/43638
2405         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2406         handling.
2407
2408 2010-04-06  Richard Guenther  <rguenther@suse.de>
2409
2410         PR middle-end/43661
2411         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2412
2413 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2414
2415         * doc/invoke.texi (Optimize Options): Document that LTO
2416         won't remove object access purely due to incompatible
2417         declarations.
2418
2419 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2420
2421         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2422         Initialize variable.
2423
2424 2010-04-03  Richard Guenther  <rguenther@suse.de>
2425
2426         PR middle-end/42509
2427         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2428         require a non-NULL MEM_OFFSET.
2429
2430 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2431
2432         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2433         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2434         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2435         config/alpha/predicates.md, config/arm/arm.md,
2436         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2437         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2438         config/darwin9.h, config/darwin.c, config/darwin.h,
2439         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2440         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2441         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2442         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2443         config/mips/mips.md, config/mn10300/mn10300.c,
2444         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2445         config/rs6000/aix.h, config/rs6000/dfp.md,
2446         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2447         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2448         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2449         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2450         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2451         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2452         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2453         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2454         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2455         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2456         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2457         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2458         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2459         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2460         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2461         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2462         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2463         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2464         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2465         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2466         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2467         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2468         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2469         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2470         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2471         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2472         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2473         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2474         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2475         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2476         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2477         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2478         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2479         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2480         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2481         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2482
2483 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2484
2485         PR other/43620
2486         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2487         * aclocal.m4: Regenerate.
2488
2489 2010-04-02  Richard Guenther  <rguenther@suse.de>
2490
2491         PR tree-optimization/43629
2492         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2493         if we have seen a constant value.
2494
2495 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2496
2497         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2498
2499 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2500
2501         PR target/43469
2502         * arm.c (legitimize_tls_address): Adjust call to
2503         gen_tls_load_dot_plus_four.
2504         (arm_note_pic_base): New function.
2505         (arm_cannot_copy_insn_p): Use it.
2506         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2507         constraint.
2508
2509 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2510
2511         PR bootstrap/43531
2512
2513         Revert:
2514         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2515
2516         * Makefile.in ($(out_object_file)): Depend on
2517         gt-$(basename $(notdir $(out_file))).h.
2518
2519 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2520
2521         * config.gcc (lm32-*-rtems*): Add t-lm32.
2522
2523 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2524
2525         * config.gcc: Add lm32-*-rtems*.
2526         * config/lm32/rtems.h: New file.
2527
2528 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2529
2530         PR target/42609
2531         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2532
2533 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2534
2535         * dwarf2out.c (output_compilation_unit_header): For
2536         -gdwarf-4 use version 4 instead of version 3.
2537         (output_line_info): For version 4 and above emit additional
2538         maximum ops per insn header field.
2539         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2540
2541         * dwarf2out.c (is_c_family, is_java): Remove.
2542         (lower_bound_default): New function.
2543         (add_bound_info, gen_descr_array_type_die): Use it.
2544
2545 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2546
2547         PR debug/43325
2548         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2549         re-declaration when it happens in a function.
2550
2551 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2552
2553         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2554         (cgraph_remove_function_insertion_hook): Same.
2555         (cgraph_call_function_insertion_hooks): Same.
2556
2557 2010-04-01  Richard Guenther  <rguenther@suse.de>
2558
2559         PR middle-end/43614
2560         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2561         and TREE_THIS_VOLATILE.
2562         (copy_ref_info): Likewise.
2563         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2564         * tree.c (build6_stat): Ignore side-effects of all but arg5
2565         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2566         TARGET_MEM_REF.
2567
2568 2010-04-01  Richard Guenther  <rguenther@suse.de>
2569
2570         PR tree-optimization/43607
2571         * ipa-type-escape.c (check_call): Do not access non-existing
2572         arguments.
2573
2574 2010-04-01  Richard Guenther  <rguenther@suse.de>
2575
2576         PR middle-end/43602
2577         Revert
2578         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2579                     Jack Howarth <howarth@bromo.med.uc.edu>
2580
2581         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2582         variables TLS.
2583
2584 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2585
2586         * doc/install.texi (Prerequisites): Document libelf usability on
2587         IRIX 5/6 and Solaris 2.
2588         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2589         Update GNU as, GNU ld requirements.
2590         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2591         Document Sun Studio compiler download.
2592         Update and simplify as, ld recommendations.
2593         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2594
2595 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2596
2597         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2598         with_tune_32 to pentium4.
2599
2600 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2603
2604 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2605
2606         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2607         obsoletion, removal.
2608         Update IDO URL.
2609         Document GNU as requirement.
2610         Update configure requirements.
2611         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2612         Recomment IRIX 6.5.18+.
2613         Document IDF/IDL requirement.
2614         Document GNU as requirement.
2615         Document GNU ld bootstrap failure.
2616         Remove freeware.sgi.com reference.
2617
2618 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2619
2620         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2621         UNIX V4.0, V5.0 obsoletion, removal.
2622         Remove --with-gc=simple reference.
2623         Update VM requirements during bootstrap.
2624         Remove -oldas bootstrap description.
2625         Update binutils reference.
2626         Remove comparison failure note.
2627
2628 2010-03-31  Richard Guenther  <rguenther@suse.de>
2629             Zdenek Dvorak  <ook@ucw.cz>
2630             Sebastian Pop  <sebastian.pop@amd.com>
2631
2632         PR middle-end/43464
2633         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2634         with multiple arguments.
2635         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2636
2637 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * graphite-dependences.c (print_pddr): Call print_pdr with an
2640         extra argument.
2641         * graphite-poly.c (debug_pdr): Add an extra argument for the
2642         verbosity level.
2643         (print_pdr): Same.
2644         (print_pbb_domain): Same.
2645         (print_pbb): Same.
2646         (print_scop_context): Same.
2647         (print_scop): Same.
2648         (print_cloog): Same.
2649         (debug_pbb_domain): Same.
2650         (debug_pbb): Same.
2651         (print_pdrs): Same.
2652         (debug_pdrs): Same.
2653         (debug_scop_context): Same.
2654         (debug_scop): Same.
2655         (debug_cloog): Same.
2656         (print_scop_params): Same.
2657         (debug_scop_params): Same.
2658         (print_iteration_domain): Same.
2659         (print_iteration_domains): Same.
2660         (debug_iteration_domain): Same.
2661         (debug_iteration_domains): Same.
2662         (print_scattering_function): Same.
2663         (print_scattering_functions): Same.
2664         (debug_scattering_function): Same.
2665         (debug_scattering_functions): Same.
2666         * graphite-poly.h (debug_pdr): Update declaration.
2667         (print_pdr): Same.
2668         (print_pbb_domain): Same.
2669         (print_pbb): Same.
2670         (print_scop_context): Same.
2671         (print_scop): Same.
2672         (print_cloog): Same.
2673         (debug_pbb_domain): Same.
2674         (debug_pbb): Same.
2675         (print_pdrs): Same.
2676         (debug_pdrs): Same.
2677         (debug_scop_context): Same.
2678         (debug_scop): Same.
2679         (debug_cloog): Same.
2680         (print_scop_params): Same.
2681         (debug_scop_params): Same.
2682         (print_iteration_domain): Same.
2683         (print_iteration_domains): Same.
2684         (debug_iteration_domain): Same.
2685         (debug_iteration_domains): Same.
2686         (print_scattering_function): Same.
2687         (print_scattering_functions): Same.
2688         (debug_scattering_function): Same.
2689         (debug_scattering_functions): Same.
2690
2691 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2692
2693         * graphite-poly.c (print_scattering_function_1): New.
2694         (print_scattering_function): Call it.
2695         (print_scop_params): Remove spaces at the end of lines.
2696         (print_cloog): New.
2697         (debug_cloog): New.
2698         * graphite-poly.h (print_cloog): Declared.
2699         (debug_cloog): Declared.
2700
2701 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2704         in loop->header.
2705         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2706         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2707         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2708         to switch between adding the IV bump in loop->latch or in loop->header.
2709
2710 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2711
2712         * graphite-poly.c (print_scattering_function): Pretty print following
2713         the scoplib format.
2714         (print_pdr): Same.
2715         (print_pbb_domain): Same.
2716         (dump_gbb_cases): Same.
2717         (dump_gbb_conditions): Same.
2718         (print_pdrs): Same.
2719         (print_pbb): Same.
2720         (print_scop_params): Same.
2721         (print_scop_context): Same.
2722         (print_scop): Same.
2723         (print_pbb_body): New.
2724         (lst_indent_to): New.
2725         (print_lst): Start new lines with a #.
2726         * graphite-poly.h (pbb_bb): New.
2727         (pbb_index): Use pbb_bb.
2728         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2729         disjuncts.
2730         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2731
2732 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2733
2734         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2735         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2736         and 0 instead of 1 for dw_val_class_flag.
2737         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2738         dw_val_class_range_list, dw_val_class_loc_list,
2739         dw_val_class_lineptr and dw_val_class_macptr, use
2740         DW_FORM_flag_present for dw_val_class_flag and
2741         DW_FORM_exprloc for dw_val_class_loc.
2742         (output_die): For -gdwarf-4 print dw_val_class_loc
2743         size as uleb128 instead of 1 or 2 bytes and don't print
2744         anything for dw_val_class_flag.
2745
2746         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2747         instead of cselib_lookup following by tweaking locs->setting_insn.
2748
2749         PR bootstrap/43596
2750         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2751         even before returning from label, setjmp call or volatile asm
2752         handling.
2753
2754 2010-03-31  Richard Guenther  <rguenther@suse.de>
2755
2756         PR middle-end/43600
2757         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2758         temporary data on stack.
2759
2760 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2761
2762         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2763         (PUSHSECTION_ASM_OP): Remove.
2764         (POPSECTION_ASM_OP): Remove.
2765         (PUSHSECTION_FORMAT): Remove.
2766         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2767         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2768         * config/sol2.c (solaris_output_init_fini): Use it.
2769
2770 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2771
2772         PR 43574
2773         * opt-functions.awk (var_type_struct): Use signed char type
2774         for simple variables.
2775
2776 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2777
2778         * config/sol2.c: Include output.h.
2779         (solaris_assemble_visibility): New function.
2780         * config/t-sol2 (sol2.o): Add output.h dependency.
2781         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2782         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2783         Redefine.
2784
2785 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2786
2787         PR target/43580
2788         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2789         V2SImode or XFmode on PRE_DEC.
2790
2791         PR debug/43557
2792         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2793         BLKmode.
2794
2795 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2796
2797         PR 43562
2798         * reload.h (caller_save_initialized_p): Declare.
2799         * toplev.c (backend_init_target): Don't call
2800         init_caller_save but set caller_save_initialized_p to false.
2801         * caller-save.c (caller_save_initialized_p): Define.
2802         (init_caller_save): Check caller_save_initialized_p.
2803         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2804
2805 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2806
2807         PR target/39048
2808         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2809         and soft-fp/t-softfp to tmake_file.
2810         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2811         (LIBGCC2_TF_CEXT): Define.
2812         (TF_SIZE): Define.
2813
2814 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2815
2816         PR debug/42977
2817         * cselib.c (n_useless_values): Document handling of debug locs.
2818         (n_useless_debug_values, n_debug_values): New variables.
2819         (new_elt_loc_list): Don't add to debug values, keep count.
2820         (promote_debug_loc): New.
2821         (cselib_reset_table): Zero new variables.
2822         (entry_and_rtx_equal_p): Promote debug locs.
2823         (discard_useless_locs): Increment n_useless_debug_values for
2824         debug values.
2825         (remove_useless_values): Adjust n_useless_values and n_debug_values
2826         with n_useless_debug_values.
2827         (add_mem_for_addr): Promote debug locs.
2828         (cselib_lookup_mem): Likewise.
2829         (cselib_lookup_addr): Renamed to...
2830         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2831         (cselib_log_lookup): ... this.  Turn into...
2832         (cselib_lookup_addr): ... new wrapper.
2833         (cselib_lookup_from_insn): New.
2834         (cselib_invalidate_regno): Increment n_useless_debug_values for
2835         debug values.
2836         (cselib_invalidate_mem): Likewise.
2837         (cselib_process_insn): Take n_deleted and n_debug_values into
2838         account to guard remove_useless_value call.
2839         (cselib_finish): Zero n_useless_debug_values.
2840         * cselib.h (cselib_lookup_from_insn): Declare.
2841         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2842         (sched_analyze_2): Likewise.
2843
2844 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2845
2846         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2847         functions.
2848         (adjust_mems): Replace narrowing SUBREG of expression containing
2849         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2850         with operations in the narrower mode.
2851
2852         PR debug/43593
2853         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2854         regs_invalidated_by_call instead all call_used_reg_set registers.
2855
2856 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2857
2858         PR middle-end/43430
2859         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2860         pointer comparisons with types_compatible_p.
2861         * tree-vect-stmts.c (vectorizable_call): Same.
2862         (vectorizable_condition): Same.
2863
2864 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2865
2866         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2867         stack check if the mask would be zero.
2868
2869 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2870             Jack Howarth <howarth@bromo.med.uc.edu>
2871
2872         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2873         variables TLS.
2874
2875 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2876
2877         PR other/25232
2878         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2879         and __unordtf2.
2880         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2881         Include ___unordxf2 and ___unordtf2.
2882         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2883         GCC_4.4.0 here.
2884
2885 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2886
2887         * config/lm32/t-lm32: New file.
2888         * config.gcc: Use the above file when targetting lm32.
2889
2890 2010-03-28  Duncan Sands  <baldrick@free.fr>
2891
2892         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2893
2894 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2895
2896         PR middle-end/43431
2897         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2898         Improve vectorization cost model diagnostic.
2899
2900 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2901
2902         PR middle-end/43436
2903         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2904         compute_data_dependences_for_loop returns false, early exit
2905         and output an extra diagnostic for the failed data reference
2906         analysis.
2907
2908 2010-03-29  Richard Guenther  <rguenther@suse.de>
2909
2910         PR tree-optimization/43560
2911         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2912         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2913
2914 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2915
2916         PR 43564
2917         * toplev.c (process_options): Set optimization_default_node
2918         and optimization_current_node.
2919         * opts.c (decode_options): Don't set optimization_default_node
2920         and optimization_current_node.
2921
2922 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2923
2924         * config/rtems.h: Abandon -qrtems_debug.
2925
2926 2010-03-28  Jan Hubicka  <jh@suse.cz>
2927
2928         PR tree-optimization/43505
2929         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2930         map should not be copied.
2931
2932 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2933
2934         PR middle-end/41674
2935         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2936         cdtors, set DECL_PRESERVE_P.
2937         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2938         should be preseved.
2939
2940 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2941
2942         PR tree-optimization/43528
2943         * stor-layout.c (place_field): Check that constant fits into
2944         unsigned HWI when skipping calculation of MS bitfield layout.
2945
2946 2010-03-27  Jan Hubicka  <jh@suse.cz>
2947
2948         PR middle-end/43391
2949         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2950         notice_global_symbol work.
2951
2952 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2953
2954         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2955         instead of dwarf2out_decl.
2956         (struct var_loc_node): Remove section_label field.
2957         (dwarf2out_function_decl): New function.
2958         (dwarf2out_var_location): Don't set section_label field.
2959         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2960
2961 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2962
2963         PR tree-optimization/43544
2964         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2965         First argument for builtin vectorized function hook is now a
2966         tree to be able to distinguish between machine specific and
2967         standard builtins.
2968         * targhooks.c (default_builtin_vectorized_function): Ditto.
2969         * targhooks.h (default_builtin_vectorized_function): Ditto.
2970         * target.h (struct gcc_target): Ditto.
2971         * tree-vect-stmts.c (vectorizable_function): Ditto.
2972         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2973         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2974         Ditto.
2975
2976 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2977
2978         PR c/43381
2979         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2980         nested binding iff it is a FUNCTION_DECL.
2981         (store_parm_decls_newstyle): Pass nested=true to bind for
2982         FUNCTION_DECLs amongst parameters.
2983
2984 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2985
2986         * var-tracking.c (vt_expand_loc_callback): Don't run
2987         cselib_expand_value_rtx_cb in dummy mode if
2988         cselib_dummy_expand_value_rtx_cb returned false.
2989
2990         * var-tracking.c (emit_note_insn_var_location): For one part
2991         notes with offset 0, don't add EXPR_LIST around the location.
2992         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2993         add_location_or_const_value_attribute): Adjust for that change.
2994
2995         PR debug/43540
2996         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2997         into first operand and location into second.
2998         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2999         dw_cfi_oprnd_loc for DW_CFA_expression.
3000         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3001         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3002         assume first argument is regnum and second argument is location.
3003
3004 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3005
3006         PR target/42113
3007         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3008         of scratch register to DImode.  Split to DImode comparison operator.
3009         Use SImode subreg of scratch register in the multiplication.
3010         (*cmp_sadd_sidi): Ditto.
3011         (*cmp_ssub_si): Ditto.
3012         (*cmp_ssub_sidi): Ditto.
3013
3014 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3015
3016         PR target/43524
3017         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3018         Remove invalid assert and wrong comment.
3019
3020 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3021
3022         PR debug/43516
3023         * flags.h (final_insns_dump_p): New extern.
3024         * final.c (final_insns_dump_p): New variable.
3025         (rest_of_clean_state): Set it before -fdump-final-insns=
3026         dumping, clear afterwards.
3027         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3028         MEM_ALIAS_SET on MEMs.
3029
3030 2010-03-26  David S. Miller  <davem@davemloft.net>
3031
3032         * configure.ac: Fix sparc GOTDATA_OP bug check.
3033         * configure: Rebuild.
3034
3035 2010-03-26  Alan Modra  <amodra@gmail.com>
3036
3037         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3038
3039 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3040
3041         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3042         TLS_SECTION_ASM_FLAG.
3043
3044 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR bootstrap/43511
3047         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3048         Clear first_function_block_is_cold.
3049
3050         PR c/43385
3051         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3052         argument if the argument is truth_value_p.
3053
3054 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3055
3056         * config/rs6000/constraints.md: Update copyright year for my changes.
3057
3058         PR target/43484
3059         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3060         used in reg+reg addressing, swap registers.
3061
3062 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR debug/43293
3065         * target.h (struct gcc_target): Add code_end hook.
3066         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3067         if not yet defined.
3068         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3069         * toplev.c (compile_file): Call targetm.asm_out.code_end
3070         hook before unwind info/debug info output.
3071         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3072         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3073         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3074         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3075         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3076         * config/i386/i386.c (ix86_file_end): Renamed to...
3077         (ix86_code_end): ... this.  Make static.  Don't call
3078         file_end_indicate_exec_stack.  Emit unwind info using
3079         final_start_function/final_end_function.
3080         (darwin_x86_file_end): Remove.
3081         (TARGET_ASM_CODE_END): Define.
3082         * config/i386/i386.h (TARGET_ASM_FILE_END,
3083         NEED_INDICATE_EXEC_STACK): Don't define.
3084         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3085         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3086         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3087         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3088
3089         PR target/43498
3090         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3091         at the beginning and final_end_function at the end.
3092         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3093
3094 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3095
3096         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3097         and Sun as TLS syntax.
3098         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3099         * configure: Regenerate.
3100         * config.in: Regenerate.
3101         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3102         (default_elf_asm_named_section): Use it.
3103         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3104         (i386_output_dwarf_dtprel): Likewise.
3105         (output_addr_const_extra): Likewise.
3106         (output_pic_addr_const): Lowercase @GOTTPOFF.
3107         (output_addr_const_extra): Likewise.
3108         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3109         (output_addr_const_extra): Likewise.
3110         (output_pic_addr_const): Lowercase @INDNTPOFF.
3111         (output_addr_const_extra): Likewise.
3112         (output_pic_addr_const): Lowercase @NTPOFF.
3113         (output_addr_const_extra): Likewise.
3114         (output_pic_addr_const): Lowercase @TPOFF.
3115         (output_addr_const_extra): Likewise.
3116         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3117         (*tls_global_dynamic_64): Likewise.
3118         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3119         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3120
3121         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3122         (ASM_OUTPUT_TLS_COMMON): Use it.
3123         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3124
3125         PR target/38118
3126         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3127         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3128         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3129         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3130         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3131         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3132
3133 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3134
3135         * config/i386/i386.c (override_options): Don't accept
3136         -mtls-dialect=sun any longer.
3137         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3138         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3139         (*tls_local_dynamic_base_32_sun): Likewise.
3140         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3141
3142 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3143
3144         PR debug/43508
3145         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3146         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3147
3148         PR debug/43479
3149         * ira.c (adjust_cleared_regs): New function.
3150         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3151
3152         PR debug/19192
3153         PR debug/43479
3154         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3155         from gimple_block.
3156         * expr.c (expand_expr_real): Restore previous
3157         curr_insn_source_location and curr_insn_block after
3158         expand_expr_real_1 call.
3159         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3160         instead of expand_expr_real_1.
3161
3162 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3163
3164         PR rtl-optimization/43413
3165         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3166         hard regs too.
3167
3168 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3169
3170         PR target/43348
3171         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3172         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3173
3174 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3175
3176         * config/i386/i386.c (ix86_target_string): Add -mfma.
3177         Fix a typo in comment.
3178
3179 2010-03-22  Mike Stump  <mikestump@comcast.net>
3180
3181         PR target/23071
3182         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3183         Don't overly align based upon packed packed fields.
3184
3185 2010-03-22  Jason Merrill  <jason@redhat.com>
3186
3187         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3188         Use () rather than [], and move before the element type.
3189
3190 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3191
3192         * doc/configfiles.texi (Configuration Files): Removed
3193         fixinc/Makefile*, intl/Makefile.*.
3194         * doc/makefile.texi: Fixed markup. Abstract from version
3195         control system used.
3196         (Makefile): Removed obsolete gcc/java/parse.y example.
3197         * doc/sourcebuild.texi: Likewise.
3198         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3199         libgomp, libssp.  Removed fastjar.
3200         (Miscellaneous Docs): Clarify location.
3201         Added COPYING3, COPYING3.LIB.
3202         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3203
3204 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3205
3206         PR target/38085
3207         * config/i386/i386.c (x86_function_profiler)
3208         [!NO_PROFILE_COUNTERS]: Fix typo.
3209         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3210         instead of callq.
3211
3212 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3213             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3214
3215         * doc/sourcebuild.texi (Test Directives): Split into six
3216         subsections, with most of the current text in new subsections
3217         Directives, Selectors, and Final Actions.
3218         (Directives): Split list of test directives into multiple
3219         subsubsections.
3220         (Selectors): Describe use and syntax of selectors.
3221         (Effective-Target Keywords): Describe all existing keywords.
3222         (Add Options): Describe features for dg-add-options.
3223         (Require Support): Describe variants of dg-require-support.
3224         (Final Actions): Describe commands to use in dg-final.
3225
3226 2010-03-22  Michael Matz  <matz@suse.de>
3227
3228         PR middle-end/43475
3229         * recog.c (validate_replace_rtx_group): Replace also in
3230         REG_EQUAL and REG_EQUIV notes.
3231
3232 2010-03-22  Richard Guenther  <rguenther@suse.de>
3233
3234         PR tree-optimization/43390
3235         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3236         sure vector extracts are type correct.
3237
3238 2010-03-22  Richard Guenther  <rguenther@suse.de>
3239
3240         PR middle-end/40106
3241         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3242         x * sqrt (x) even when optimizing for size if the target
3243         has native support for sqrt.
3244
3245 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3246
3247         * varasm.c (make_decl_rtl_for_debug): Also clear
3248         flag_mudflap for the duration of make_decl_rtl call.
3249
3250         PR debug/43443
3251         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3252         locs from preserved VALUEs.
3253
3254 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3255
3256         PR middle-end/42718
3257         * pa.md (movmemsi): Set align to one if zero.
3258         (movmemdi): Likewise.
3259
3260 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3261
3262         PR target/42321
3263         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3264         with their corresponding prologue pushes.
3265
3266 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3267
3268         PR target/43156
3269         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3270         at the begining or end.
3271         (spu_expand_epilogue): Likewise.
3272
3273 2010-03-20  Richard Guenther  <rguenther@suse.de>
3274
3275         PR rtl-optimization/43438
3276         * combine.c (make_extraction): Properly zero-/sign-extend an
3277         extraction of the low part of a CONST_INT.  Also handle
3278         CONST_DOUBLE.
3279
3280 2010-03-19  Mike Stump  <mikestump@comcast.net>
3281
3282         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3283         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3284         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3285
3286 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3287
3288         PR c/43211
3289         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3290         an error.
3291
3292 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3293
3294         PR rtl-optimization/42258
3295         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3296         use that may match DEF.
3297
3298         PR target/40697
3299         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3300         the cost of loading the constant rather than assuming
3301         COSTS_N_INSNS (1).
3302         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3303         outer code is AND, do the same tests as the andsi3 expander and
3304         return COSTS_N_INSNS (1) if and is cheap.
3305
3306         * optabs.c (avoid_expensive_constant): Fix formatting.
3307
3308 2010-03-19  Michael Matz  <matz@suse.de>
3309
3310         PR c++/43116
3311         * attribs.c (decl_attributes): When rebuilding a function pointer
3312         type use the same qualifiers as the original pointer type.
3313
3314 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3315
3316         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3317         and is_gimple_ip_invariant_address.
3318
3319 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3320
3321         Revert
3322         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3323
3324         * config/arm/arm.c (arm_override_options): Turn off
3325         flag_dwarf2_cfi_asm for AAPCS variants.
3326
3327 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3328
3329         PR target/43399
3330         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3331         Use PRE_MODIFY instead of PRE_DEC.
3332         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3333         (vfp_emit_fstmd): Likewise.
3334
3335 2010-03-19  Michael Matz  <matz@suse.de>
3336
3337         PR target/43305
3338         * builtins.c (expand_builtin_interclass_mathfn,
3339         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3340         if that fails.
3341
3342 2010-03-19  Richard Guenther  <rguenther@suse.de>
3343
3344         PR tree-optimization/43415
3345         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3346         (phi_translate_1): ... this.
3347         (phi_translate): Move all caching here.  Cache all NARY
3348         and REFERENCE translations.
3349
3350 2010-03-19  David S. Miller  <davem@davemloft.net>
3351
3352         With help from Eric Botcazou.
3353         * config/sparc/sparc.c: Include dwarf2out.h.
3354         (emit_pic_helper): Delete.
3355         (pic_helper_symbol_name): Delete.
3356         (pic_helper_emitted_p): Delete.
3357         (pic_helper_needed): New.
3358         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3359         (get_pc_thunk_name): New.
3360         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3361         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3362         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3363         (sparc_expand_prologue): Update load_pic_register call.
3364         (sparc_output_mi_thunk): Likewise.
3365         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3366         thunk if possible.  Output CFI information as needed.
3367
3368 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3369             Jack Howarth <howarth@bromo.med.uc.edu>
3370
3371         PR target/36399
3372         * config/i386/i386.h: Fix ABI on darwin x86-32.
3373
3374 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3375
3376         * tree.h: Declare make_decl_rtl_for_debug.
3377         * varasm.c (make_decl_rtl_for_debug): New.
3378         * dwarf2out.c (rtl_for_decl_location): Call it.
3379         * cfgexpand.c (expand_debug_expr): Call it.
3380
3381 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3382
3383         PR bootstrap/43399
3384         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3385         mem_mode.
3386
3387         PR bootstrap/43403
3388         * var-tracking.c (vt_init_cfa_base): Do nothing if
3389         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3390
3391 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3392
3393         PR debug/42873
3394         * var-tracking.c (canonicalize_vars_star): New.
3395         (dataflow_post_merge_adjust): Use it.
3396
3397 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3398
3399         PR debug/43058
3400         * var-tracking.c (non_suitable_const): New function.
3401         (add_uses): For DEBUG_INSNs with constants, don't record any
3402         value, instead just the constant value itself.
3403         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3404         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3405         (emit_notes_in_bb): Likewise.
3406         (emit_note_insn_var_location): For onepart variables if
3407         cur_loc is a VOIDmode constant, use DECL_MODE.
3408
3409 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3410
3411         PR middle-end/42450
3412         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3413         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3414         all non-clones.  Moved call redirection...
3415         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3416         (cgraph_materialize_all_clones): Dispose of all
3417         combined_args_to_skip bitmaps.
3418         (verify_cgraph_node): Do not check for edges pointing to wrong
3419         nodes in inline clones.
3420         * tree-inline.c (copy_bb): Call
3421         cgraph_redirect_edge_call_stmt_to_callee.
3422         * ipa.c (cgraph_remove_unreachable_nodes): Call
3423         cgraph_node_remove_callees even when there are used clones.
3424
3425 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3426
3427         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3428
3429 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3430
3431         PR target/43383
3432         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3433         for 32bit.
3434
3435 2010-03-18  Michael Matz  <matz@suse.de>
3436
3437         PR middle-end/43419
3438         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3439         into sqrt(x) if we need to preserve signed zeros.
3440
3441 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3442             Eric Botcazou  <ebotcazou@adacore.com>
3443
3444         PR rtl-optimization/43360
3445         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3446         note if we don't know its invariant status.
3447
3448 2010-03-18  Michael Matz  <matz@suse.de>
3449
3450         PR tree-optimization/43402
3451         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3452         PHI chains of ssa names registered for update.
3453
3454 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3455
3456         PR target/42427
3457         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3458         non-offsettable and pre_modify update addressing.
3459         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3460         and "2" alternatives "#".
3461         (*movdd_softfloat32): Make all alternatives "#";
3462         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3463         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3464         (*movdf_softfloat32): Make all alternatives "#";
3465         (movdi): Use the new DIFD mode iterator to create a common splitter
3466         for movdi, movdf and movdd patterns.
3467
3468 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3469
3470         * common.opt (dumpdir): Remove redundant tab.
3471
3472 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3473
3474         PR tree-optimization/43347
3475         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3476         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3477
3478 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3479
3480         PR rtl-optimization/42216
3481         * regrename.c (create_new_chain): New function, broken out from...
3482         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3483         appending a use to an empty chain.
3484         (build_def_use): Remove previous changes that convert OP_INOUT to
3485         OP_OUT operands; instead detect the case where an OP_INOUT operand
3486         uses a previously untracked register and create an empty chain for it.
3487
3488 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3489
3490         * doc/extend.texi (Function Attributes): Rewrite unfinished
3491         sentence in ms_abi documentation.
3492
3493 2010-03-17  Alan Modra  <amodra@gmail.com>
3494
3495         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3496         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3497         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3498         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3499
3500 2010-03-16  Richard Henderson  <rth@redhat.com>
3501
3502         PR middle-end/43365
3503         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3504         (lower_try_finally): Save and restore eh_seq around the expansion
3505         of the try-finally.
3506
3507 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3508
3509         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3510         statements before splitting block.
3511
3512 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3513
3514         * doc/sourcebuild.texi (Testsuites): Fix markup.
3515         Use pathnames relative to gcc/testsuite.
3516         (Test Directives): Move description of how timeout is determined.
3517         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3518         (C Tests): Correct gcc.misc-tests directory.
3519         Framework tests now live in gcc.test-framework.
3520
3521 2010-03-16  Richard Guenther  <rguenther@suse.de>
3522
3523         PR middle-end/43379
3524         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3525         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3526
3527 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3528             Alexandre Oliva  <aoliva@redhat.com>
3529
3530         PR tree-optimization/42917
3531         * lambda-code.c (remove_iv): Skip debug statements.
3532         (lambda_loopnest_to_gcc_loopnest): Likewise.
3533         (not_interesting_stmt): Debug statements are not interesting.
3534
3535 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3536
3537         PR debug/43051
3538         PR debug/43092
3539         * cselib.c (cselib_preserve_constants,
3540         cfa_base_preserved_val): New static variables.
3541         (preserve_only_constants): New function.
3542         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3543         clear its REG_VALUES.  If cselib_preserve_constants, don't
3544         empty the whole hash table, but preserve there VALUEs with constants,
3545         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3546         (cselib_preserve_cfa_base_value): New function.
3547         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3548         (cselib_init): Change argument to int bitfield.  Set
3549         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3550         is in it.
3551         (cselib_finish): Clear cselib_preserve_constants and
3552         cfa_base_preserved_val.
3553         * cselib.h (enum cselib_record_what): New enum.
3554         (cselib_init): Change argument to int.
3555         (cselib_preserve_cfa_base_value): New prototype.
3556         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3557         * dse.c (dse_step1): Likewise.
3558         * cfgcleanup.c (thread_jump): Likewise.
3559         * sched-deps.c (sched_analyze): Likewise.
3560         * gcse.c (local_cprop_pass): Likewise.
3561         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3562         If FN is non-NULL, call the callback always and whenever it returns
3563         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3564         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3565         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3566         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3567         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3568         * var-tracking.c: Include recog.h.
3569         (bb_stack_adjust_offset): Remove.
3570         (vt_stack_adjustments): Don't call it, instead just gather the
3571         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3572         (adjust_stack_reference): Remove.
3573         (compute_cfa_pointer): New function.
3574         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3575         (struct adjust_mem_data): New type.
3576         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3577         functions.
3578         (get_address_mode): New function.
3579         (replace_expr_with_values): Use it.
3580         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3581         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3582         (adjust_sets): Remove.
3583         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3584         Use get_address_mode.
3585         (get_adjusted_src): Remove.
3586         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3587         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3588         (add_with_sets): Don't call adjust_sets.
3589         (fp_setter, vt_init_cfa_base): New functions.
3590         (vt_initialize): Change return type to bool.  Move most of pool etc.
3591         initialization to the beginning of the function from end.  Pass
3592         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3593         If !frame_pointer_needed, call vt_stack_adjustment before mos
3594         vector is filled, call vt_init_cfa_base if argp/framep has been
3595         eliminated to sp.  If frame_pointer_needed and argp/framep has
3596         been eliminated to hard frame pointer, set
3597         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3598         encountering fp setter in the prologue.  For MO_ADJUST, call
3599         log_op_type before pusing the op into mos vector, not afterwards.
3600         Call adjust_insn before cselib_process_insn/add_with_sets,
3601         call cancel_changes (0) afterwards.
3602         (variable_tracking_main_1): Adjust for vt_initialize calling
3603         vt_stack_adjustments and returning whether it succeeded or not.
3604
3605 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3606
3607         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3608         debug statements.
3609
3610 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3611
3612         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3613         has been set.
3614         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3615         drap_reg has not been set.
3616
3617 2010-03-15  Michael Matz  <matz@suse.de>
3618
3619         PR middle-end/43300
3620         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3621         use it to expand block copies.
3622         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3623         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3624         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3625
3626 2010-03-15  Richard Guenther  <rguenther@suse.de>
3627
3628         PR tree-optimization/43367
3629         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3630         elimination check.
3631
3632 2010-03-15  Richard Guenther  <rguenther@suse.de>
3633
3634         PR tree-optimization/43317
3635         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3636
3637 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3638
3639         PR tree-optimization/43141
3640         * tree-sra.c (create_abstract_origin): New function.
3641         (modify_function): Call create_abstract_origin.
3642
3643 2010-03-15  Chris Demetriou  <cgd@google.com>
3644
3645         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3646         wasn't copied.
3647
3648 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3649
3650         PR middle-end/43354
3651         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3652         call insert_out_of_ssa_copy for default definitions.
3653
3654 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3655
3656         * graphite-clast-to-gimple.c (my_long_long): Defined.
3657         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3658         * graphite-sese-to-poly.c (my_long_long): Defined.
3659         (scop_ivs_can_be_represented): Use it.
3660
3661 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3662
3663         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3664         graphite-max-bbs-per-function, and loop-block-tile-size.
3665         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3666         with "maximum".
3667         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3668
3669 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3670
3671         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3672         forward declaration.
3673         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3674         (add_upper_bounds_from_estimated_nit): New.
3675         (build_loop_iteration_domains): Use it.
3676
3677 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3678
3679         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3680
3681 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3682
3683         PR middle-end/43306
3684         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3685         should be an INTEGER_CST.  Also handle CASE_CONVERT.
3686
3687 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3688
3689         * graphite.c (graphite_initialize): To bound the number of bbs per
3690         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3691         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3692         * doc/invoke.texi: Document it.
3693
3694 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3695
3696         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3697         * graphite-sese-to-poly.h (build_poly_scop): Same.
3698
3699 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3700
3701         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3702         the number of parameters in the scop.  Use as an upper bound
3703         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3704         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3705         * doc/invoke.texi: Document it.
3706
3707 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
3708
3709         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3710         * doc/c-tree.texi: Remove.
3711         * doc/generic.texi: Merge c-tree.texi here.
3712         * doc/gccint.texi (Trees): Remove menu entry.
3713         (c-tree.texi): Remove @include.
3714         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3715         * doc/languages.texi (Reading RTL): Ditto.
3716
3717 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
3718
3719         PR target/42869
3720         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3721
3722 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
3723
3724         PR middle-end/42431
3725         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3726         code added to work around reload clobbering CONST insns.
3727
3728 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
3729
3730         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3731         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3732         (cselib_preserve_only_values): Remove retain argument, don't
3733         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3734         * cselib.h (cselib_preserve_only_values): Remove retain argument.
3735         * var-tracking.c (micro_operation): Move insn field before union.
3736         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3737         (struct variable_tracking_info_def): Remove n_mos field, change
3738         mos into a vector of micro_operations.
3739         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3740         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3741         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3742         changing into a vector.
3743         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
3744         come before all other uops generated by add_stores.
3745         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3746         argument removal.
3747         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
3748         a vector.  Run just one pass over the bbs instead of separate counting
3749         and computation phase.
3750         (vt_finalize): Free VTI (bb)->mos vector instead of array.
3751
3752         PR debug/43329
3753         * tree-inline.c (remap_decls): Put old_var rather than origin_var
3754         into *nonlocalized_list vector.
3755         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3756         even if origin is non-NULL.
3757         (gen_variable_die): Likewise.
3758         (process_scope_var): Don't change origin.
3759         (gen_decl_die): Likewise.
3760         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3761         before adding new edges instead of after it, fix moving over
3762         debug stmts.
3763
3764 2010-03-11  David S. Miller  <davem@davemloft.net>
3765
3766         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3767         of four.
3768         * configure: Rebuild.
3769
3770 2010-03-11  Martin Jambor  <mjambor@suse.cz>
3771
3772         PR tree-optimization/43257
3773         * tree.c (assign_assembler_name_if_neeeded): New function.
3774         (free_lang_data_in_cgraph): Assembler name assignment moved to the
3775         above new function.
3776         * tree.h (assign_assembler_name_if_neeeded): Declare.
3777         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3778         the function if needed.
3779
3780 2010-03-11  Chris Demetriou  <cgd@google.com>
3781
3782         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3783         include/stdint-gcc.h, and include/stdint.h world-readable.
3784
3785 2010-03-11  Richard Guenther  <rguenther@suse.de>
3786
3787         PR tree-optimization/43255
3788         * tree-vrp.c (process_assert_insertions_for): Do not insert
3789         asserts for trivial conditions.
3790
3791 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3792
3793         PR tree-optimization/43280
3794         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3795         generation.  Move calculation of size out of the if branch.
3796         (find_bswap): Modify compare number generation.
3797
3798 2010-03-11  Richard Guenther  <rguenther@suse.de>
3799
3800         PR lto/43200
3801         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3802         (input_gimple_stmt): Fixup handled component types during
3803         operand read.  Also fix up decls in ADDR_EXPRs.
3804
3805 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
3806
3807         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3808         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3809
3810 2010-03-10  Jan Hubicka  <jh@suse.cz>
3811
3812         PR c/43288
3813         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3814         * varasm.c (get_variable_section): Don't do that here...
3815         (make_decl_rtl): ... and here.
3816         (do_assemble_alias): Produce decl RTL.
3817         (assemble_alias): Likewise.
3818
3819 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3820
3821         PR debug/43290
3822         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3823         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3824         of fde->vdrap_reg.
3825         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3826         (based_loc_descr): Only express drap or vdrap regno based expressions
3827         using DW_OP_fbreg when not optimizing.
3828         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3829         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3830         REG_CFA_SET_VDRAP note.
3831
3832 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
3833
3834         PR tree-optimization/43236
3835         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3836         error in calculation of base address in reverse iteration case.
3837         (generate_builtin): Take number of latch executions if the statement
3838         is in the latch.
3839
3840 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
3841
3842         PR middle-end/42859
3843         * tree-eh.c: Include pointer-set.h.
3844         (lower_eh_dispatch): Filter out duplicate case labels and
3845         remove the unneeded edge when the label is unused.  Return
3846         true when some edges are removed.
3847         (execute_lower_eh_dispatch): When any lowering resulted in
3848         removing an edge, also delete unreachable blocks.
3849
3850 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
3851
3852         PR bootstrap/43287
3853         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3854         UNSPEC_MACHOPIC_OFFSET.
3855
3856 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
3857
3858         PR target/43294
3859         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3860         (m68k_delegitimize_address): New function.
3861
3862 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
3863
3864         PR debug/43299
3865         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3866
3867         PR debug/43299
3868         * var-tracking.c (adjust_sets): New function.
3869         (count_with_sets, add_with_sets): Use it.
3870         (get_adjusted_src): New inline function.
3871         (add_stores): Use it.
3872
3873         PR debug/43304
3874         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3875         call cselib_dummy_expand_value_rtx_cb instead of
3876         cselib_expand_value_rtx_cb.
3877
3878         PR debug/43293
3879         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3880         * config/i386/i386.c: Include debug.h and dwarf2out.h.
3881         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3882         and .cfi_endproc around the pic thunks.
3883         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3884         all queued unwind info register saves are saved before the call.
3885         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3886         considered as sp-=4 for unwind info and the pop as sp+=4 which
3887         also clobbers dest, but doesn't actually restore it.
3888
3889         PR debug/43290
3890         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3891         RTX_FRAME_RELATED_P.
3892
3893 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3894
3895         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3896         whitespaces in output template.
3897
3898 2010-03-09  Jie Zhang  <jie@codesourcery.com>
3899
3900         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3901         out array boundary.
3902
3903 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3904
3905         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3906         builtins.exp in a separate job.
3907
3908 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3909
3910         * graphite-sese-to-poly.c (add_param_constraints): Use
3911         lower_bound_in_type and upper_bound_in_type.
3912
3913 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3914
3915         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3916         instead of unsigned_type_node.
3917
3918 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3919             Reza Yazdani  <reza.yazdani@amd.com>
3920
3921         PR middle-end/43065
3922         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3923         on pointer type parameters.
3924
3925 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3926
3927         PR middle-end/42644
3928         PR middle-end/42130
3929         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3930         handle conversions from pointer to integers.
3931         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3932         induction variable, to be able to work with code generated by CLooG.
3933         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3934         (build_poly_scop): Bail out if we cannot codegen a loop.
3935
3936 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
3937
3938         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3939         code generation with gloog_error.
3940
3941 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3942
3943         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3944         Call fold_convert on all the returned values.
3945         (expand_scalar_variables_expr): Pass to
3946         expand_scalar_variables_ssa_name the type of the resulting expression.
3947
3948 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3951         ppl_min_for_le_pointset.
3952         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3953         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3954
3955 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3956
3957         * graphite-dependences.c (map_into_dep_poly): Removed.
3958         (dependence_polyhedron_1): Use combine_context_id_scat.
3959
3960 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3961
3962         * graphite-poly.h (struct poly_scattering): Add layout documentation.
3963         (struct poly_bb): Same.
3964         (combine_context_id_scat): New.
3965
3966 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3967
3968         PR middle-end/42326
3969         * sese.c (name_defined_in_loop_p): Return false for default
3970         definitions.
3971
3972 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3973
3974         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3975         and clean up the logic.
3976
3977 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
3978
3979         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3980         early return.
3981
3982 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
3983
3984         * var-tracking.c (remove_cselib_value_chains): Define only for
3985         ENABLE_CHECKING.
3986         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3987         delete_slot_part, emit_notes_for_differences_1): Don't call
3988         remove_cselib_value_chains here.
3989         (set_slot_part, emit_notes_for_differences_2): Don't call
3990         add_cselib_value_chains here.
3991         (preserved_values): New vector.
3992         (preserve_value): New function.
3993         (add_uses, add_stores, vt_add_function_parameters): Use it
3994         instead of cselib_preserve_value.
3995         (changed_values_stack): New vector.
3996         (check_changed_vars_0): New function.
3997         (check_changed_vars_1, check_changed_vars_2): Use it.
3998         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3999         changed_values_stack VALUEs.
4000         (vt_emit_notes): For all preserved_values call
4001         add_cselib_value_chains.  If ENABLE_CHECKING call
4002         remove_cselib_value_chains before verifying value_chains is empty.
4003         Initialize and free changed_values_stack.
4004         (vt_initialize): Initialize preserved_values.
4005         (vt_finalize): Free preserved_values.
4006
4007 2010-03-08  Richard Guenther  <rguenther@suse.de>
4008
4009         PR tree-optimization/43269
4010         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4011         region detection.
4012
4013 2010-03-08  Martin Jambor  <mjambor@suse.cz>
4014
4015         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4016         (ipa_is_param_called): Removed.
4017         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4018         (ipa_print_node_params): Do not print the called flag.
4019         (ipa_write_node_info): Do not stream the called flag.
4020         (ipa_read_node_info): Likewise.
4021
4022 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
4023
4024         PR debug/43176
4025         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4026         * cselib.c (struct expand_value_data): Add dummy field.
4027         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4028         dummy to false.
4029         (cselib_dummy_expand_value_rtx_cb): New function.
4030         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4031         any rtl.
4032         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4033         * var-tracking.c: Include pointer-set.h.
4034         (variable): Change n_var_parts to char from int.  Add
4035         cur_loc_changed and in_changed_variables fields.
4036         (variable_canonicalize): Remove.
4037         (shared_var_p): New inline function.
4038         (unshare_variable): Maintain cur_loc_changed and
4039         in_changed_variables fields.  If var was in changed_variables,
4040         replace it there with new_va