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* cgraph.c (cgraph_create_node): Set node frequency to normal.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-26  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.c (cgraph_create_node): Set node frequency to normal.
4         (cgraph_clone_node): Copy function frequency.
5         * cgraph.h (node_frequency): New enum
6         (struct cgraph_node): Add.
7         * final.c (rest_of_clean_state): Update.
8         * lto-cgraph.c (lto_output_node): Output node frequency.
9         (input_overwrite_node): Input node frequency.
10         * tre-ssa-loop-ivopts (computation_cost): Update.
11         * lto-streamer-out.c (output_function): Do not output function frequency.
12         * predict.c (maybe_hot_frequency_p): Update and handle functions executed once.
13         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
14         attribute lookup.
15         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
16         (compute_function_frequency): Set noreturn functions to be executed once.
17         (choose_function_section): Update.
18         * lto-streamer-in.c (input_function): Do not input function frequency.
19         * function.c (allocate_struct_function): Do not initialize function frequency.
20         * function.h (function_frequency): Remove.
21         (struct function): Remove function frequency.
22         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
23         (try_update): Update.
24         * tree-inline.c (initialize_cfun): Do not update function frequency.
25         * passes.c (pass_init_dump_file): Update.
26         * i386.c (ix86_compute_frame_layout): Update.
27         (ix86_pad_returns): Update.
28
29 2010-04-26  Jie Zhang  <jie@codesourcery.com>
30
31         PR tree-optimization/43833
32         * tree-vrp.c (range_int_cst_p): New.
33         (range_int_cst_singleton_p): New.
34         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
35         when both operands are constants.  Use range_int_cst_p in
36         BIT_IOR_EXPR case.
37
38 2010-04-26  Jan Hubicka  <jh@suse.cz>
39
40         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
41
42 2010-04-26  Richard Guenther  <rguenther@suse.de>
43
44         PR lto/43080
45         * gimple.c (gimple_decl_printable_name): Deal gracefully
46         with a NULL DECL_NAME.
47
48 2010-04-26  Richard Guenther  <rguenther@suse.de>
49
50         PR lto/42425
51         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
52         if emitting debug information and it is either a function
53         or a namespace decl.
54
55 2010-04-26  Ira Rosen  <irar@il.ibm.com>
56
57         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
58         determine if the statement is vectorizable, and a macro to 
59         access it.
60         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
61         Skip statements that can't be vectorized. If the analysis 
62         fails, mark the statement as unvectorizable if vectorizing 
63         basic block.
64         (vect_compute_data_refs_alignment): Likewise.
65         (vect_verify_datarefs_alignment): Skip statements marked as 
66         unvectorizable. Add print.
67         (vect_analyze_group_access): Skip statements that can't be 
68         vectorized. If the analysis fails, mark the statement as 
69         unvectorizable if vectorizing basic block.
70         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
71         Likewise.
72         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
73         generated stmts for SLP.
74         (new_stmt_vec_info): Initialize the new field.
75         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
76         statements marked as unvectorizable.
77
78 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
79
80         * c-common.c (flag_isoc1x): New.
81         (flag_isoc99): Update comment.
82         * c-common.h (flag_isoc1x): New.
83         (flag_isoc99): Update comment.
84         * c-cppbuiltin.c (builtin_define_float_constants): Also define
85         __<type>_DECIMAL_DIG__.
86         * c-opts.c (set_std_c1x): New.
87         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
88         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
89         * c.opt (-std=c1x, -std=gnu1x): New options.
90         * doc/cpp.texi: Mention -std=c1x.
91         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
92         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
93         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
94         * doc/standards.texi: Mention C1X.
95         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
96         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
97         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
98         Define for C1X.
99
100 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
101
102         * config/i386/gmon-sol2.c (_mcleanup): Change format string
103         placeholder from 0x%x to %#x.
104         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
105         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
106         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
107         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
108         * config/i386/i386.c (ix86_target_string): Ditto.
109         (output_pic_addr_const): Ditto.
110         (print_operand): Ditto.
111
112 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
113
114         * combine.c (find_split_point): Add third argument.  Use it
115         to find nested multiply-accumulate instructions.  Adjust calls.
116         (try_combine): Adjust call to find_split_point.
117
118 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
119
120         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
121
122 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
123
124         PR tree-optimization/41442
125         * fold-const.c (merge_truthop_with_opposite_arm): New function.
126         (fold_binary_loc): Call it.
127
128 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
129
130         * toplev.c (general_init): Set default for fdiagnostics-show-option.
131         * opts.c (common_handle_option): Allow disabling it.
132         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
133
134 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
135
136         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
137         between modes if both types are integral.
138
139 2010-04-23  Richard Guenther  <rguenther@suse.de>
140
141         PR tree-optimization/43572
142         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
143
144 2010-04-23  Richard Guenther  <rguenther@suse.de>
145
146         PR lto/43455
147         * tree-inline.c (tree_can_inline_p): Also check compatibility
148         of return types.
149
150 2010-04-23  Martin Jambor  <mjambor@suse.cz>
151
152         PR tree-optimization/43846
153         * tree-sra.c (struct access): New flag grp_assignment_read.
154         (build_accesses_from_assign): Set grp_assignment_read.
155         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
156         (enum mark_read_status): New type.
157         (analyze_access_subtree): Propagate grp_assignment_read, create
158         accesses also if both direct_read and root->grp_assignment_read.
159
160 2010-04-23  Martin Jambor  <mjambor@suse.cz>
161
162         PR middle-end/43835
163         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
164         function does not have type attributes.
165
166 2010-04-23  Richard Guenther  <rguenther@suse.de>
167
168         PR lto/42653
169         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
170         of FUNCTION_DECLs.
171
172 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
173
174         * sese.h (create_if_region_on_edge): Remove.
175
176         * sese.c (create_if_region_on_edge): Make static.
177
178         * tree-inline.c: Do not include ggc.h.
179
180         * expr.c: Do not include ggc.h.
181
182         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
183         dependencies.
184
185 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
186
187         PR target/43744
188         * config/sh/sh.c (find_barrier): Don't emit a constant pool
189         in the middle of insns for casesi_worker_2.
190
191 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
192
193         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
194
195 2010-04-22  Ira Rosen  <irar@il.ibm.com>
196
197         PR tree-optimization/43842
198         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
199         loop unrolling in update of exit phis. Fix comment.
200         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
201         least two reduction statements in the loop before starting SLP
202         analysis.
203
204 2010-04-22  Nick Clifton  <nickc@redhat.com>
205
206         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
207
208 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
209
210         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
211         to simplify a + ~a.
212
213 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
214
215         * tree-parloops.c (loop_parallel_p): New argument
216         parloop_obstack.  Pass it down.
217         (parallelize_loops): New variable parloop_obstack.  Initialize it,
218         pass it down, free it.
219
220         * tree-loop-linear.c (linear_transform_loops): Pass down
221         lambda_obstack.
222
223         * tree-data-ref.h (lambda_compute_access_matrices): New argument
224         of type struct obstack *.
225
226         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
227         scratch_obstack.  Initialize it, pass down, free it.
228
229         * lambda.h (lambda_loop_new): Remove.
230         (lambda_matrix_new, lambda_matrix_inverse)
231         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
232         argument of type struct obstack *.
233
234         * lambda-trans.c (lambda_trans_matrix_new): New argument
235         lambda_obstack.  Pass it down, use obstack allocation for ret.
236         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
237         it down.
238
239         * lambda-mat.c (lambda_matrix_get_column)
240         (lambda_matrix_project_to_null): Remove.
241         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
242         allocation for mat.
243         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
244         lambda_obstack.
245
246         * lambda-code.c (lambda_loop_new): New function.
247         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
248         (lambda_compute_auxillary_space, lambda_compute_target_space)
249         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
250         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
251         (build_access_matrix): New argument lambda_obstack.  Use obstack
252         allocation for am.
253         (lambda_compute_step_signs, lambda_compute_access_matrices): New
254         argument lambda_obstack.  Pass it down.
255
256 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
257
258         * optabs.h (expand_widening_mult): Declare.
259
260 2010-04-22  Richard Guenther  <rguenther@suse.de>
261
262         PR tree-optimization/43845
263         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
264         lookup the CALL_EXPR function and arguments.
265
266 2010-04-22  Nick Clifton  <nickc@redhat.com>
267
268         * config/stormy16/stormy16.c
269         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
270         * config/stormy16/stormy16.h: Tidy up formatting.
271         (DONT_USE_BUILTIN_SETJMP): Remove definition.
272         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
273         (ineqbranchsi): Delete pattern.
274         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
275         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
276         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
277         stormy16-lib2-ucmpsi2.c.
278
279 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
280
281         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
282         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
283         extra set merge_set_noclobber, and use it to relax the final test
284         slightly.
285         * df.h (df_simulate_find_noclobber_defs): Declare.
286         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
287         conditional defs.
288         (df_simulate_find_noclobber_defs): New function.
289
290 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
291
292         * config/i386/i386.md: Use {} around multi-line preparation statements.
293
294 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
295
296         * c-tree.h (push_init_level, pop_init_level, set_init_index)
297         (process_init_element): New argument of type struct obstack *.
298
299         * c-typeck.c (push_init_level, pop_init_level, set_designator)
300         (set_init_index, set_init_label, set_nonincremental_init)
301         (set_nonincremental_init_from_string, find_init_member)
302         (output_init_element, output_pending_init_elements)
303         (process_init_element): New argument braced_init_obstack.  Pass it
304         down.
305         (push_range_stack, add_pending_init): New argument
306         braced_init_obstack.  Use obstack allocation.
307
308         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
309         braced_init_obstack.  Pass it down.
310         (c_parser_braced_init): New variables ret, braced_init_obstack.
311         Initialize obstack, pass it down and finally free it.
312
313 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
314
315         PR middle-end/29274
316         * tree-pass.h (pass_optimize_widening_mul): Declare.
317         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
318         gate_optimize_widening_mul): New static functions.
319         (pass_optimize_widening_mul): New.
320         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
321         <case MULT_EXPR>: Remove support for widening multiplies.
322         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
323         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
324         simplify_gen_unary rather than directly building extensions.
325         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
326         WIDEN_MULT_EXPR.
327         * expmed.c (expand_widening_mult): New function.
328         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
329
330 2010-04-21  Jan Hubicka  <jh@suse.cz>
331
332         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
333         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
334         * lto-wpa-fixup.c: Remove.
335         * Makefile.in (lto-wpa-fixup.o): Remove.
336         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
337         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
338         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
339
340 2010-04-21  Jan Hubicka  <jh@suse.cz>
341
342         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
343         add write_optimization_summary, read_optimization_summary.
344         (ipa_write_summaries_of_cgraph_node_set): Remove.
345         (ipa_write_optimization_summaries): Declare.
346         (ipa_read_optimization_summaries): Declare.
347         * ipa-cp.c (pass_ipa_cp): Update.
348         * ipa-reference.c (pass_ipa_reference): Update.
349         * ipa-pure-const.c (pass_ipa_pure_const): Update.
350         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
351         Update.
352         * ipa-inline.c (pass_ipa_inline): Update.
353         * ipa.c (pass_ipa_whole_program): Update.
354         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
355         * passes.c (ipa_write_summaries_1): Do not test wpa.
356         (ipa_write_optimization_summaries_1): New.
357         (ipa_write_optimization_summaries): New.
358         (ipa_read_summaries): Do not test ltrans.
359         (ipa_read_optimization_summaries_1): New.
360         (ipa_read_optimization_summaries): New.
361
362 2010-04-21  Jan Hubicka  <jh@suse.cz>
363
364         * lto-cgraph.c (lto_output_node): Do not output comdat groups
365         for boundary nodes.
366         (output_cgraph): Do not arrange comdat groups for boundary nodes.
367
368 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
369
370         PR debug/40040
371         * dwarf2out.c (add_name_and_src_coords_attributes): Add
372         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
373
374 2010-04-21  Jan Hubicka  <jh@suse.cz>
375
376         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
377
378 2010-04-21  Jan Hubicka  <jh@suse.cz>
379
380         * varpool.c (decide_is_variable_needed): Variable is always needed
381         during ltrans.
382
383 2010-04-21  Jan Hubicka  <jh@suse.cz>
384
385         * opts.c (decode_options): Enable pure-const pass for whopr.
386
387 2010-04-21  Jan Hubicka  <jh@suse.cz>
388
389         * cgraph.c (dump_cgraph_node): Dump also assembler name.
390         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
391         at WPA dumping.
392         (cgraph_decide_inlining): Do not expect callee to be removed in all
393         cases.
394
395 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
396
397         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
398
399 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
400
401         * config/i386/i386.md (x86_shrd): Add athlon_decode and
402         amdfam10_decode attributes.
403
404 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
405
406         PR middle-end/43570
407         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
408         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
409         (lower_copyprivate_clauses): Use private var in outer
410         context instead of original var.  Make sure the types
411         are correct for VLAs.
412
413 2010-04-21  Richard Guenther  <rguenther@suse.de>
414
415         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
416         to non-pointer objects.
417
418 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
419
420         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
421         last chain entry if it starts with the still current label.
422         (add_location_or_const_value_attribute): Check that
423         loc_list->first->next is NULL instead of comparing ->first with ->last.
424         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
425         to add_var_loc_to_decl.
426
427         * dwarf2out.c (output_call_frame_info): For dw_cie_version
428         >= 4 add also address size and segment size fields into CIE header.
429
430         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
431         long as address size is the same as sizeof (void *) and
432         segment size is 0.
433         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
434         address size or segment size is unexpected, return DW_EH_PE_omit.
435         (classify_object_over_fdes): If get_cie_encoding returned
436         DW_EH_PE_omit, return -1.
437         (init_object): If classify_object_over_fdes returned -1,
438         pretend there were no FDEs at all.
439
440 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
441
442         * config/i386/i386.md (bswap<mode>2): Macroize expander from
443         bswap{si,di}2 using SWI48 mode iterator.
444         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
445         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
446         set modrm attribute of bswap insn to 0 and remove length attribute.
447         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
448         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
449         set mode attribute to <MODE> and remove length attribute.
450
451 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
452
453         PR rtl-optimization/43520
454         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
455         zero available registers.
456
457 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
458
459         * builtins.c (fold_builtin_cproj): Fold more cases.
460
461 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
462
463         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
464         (fold_builtin_1): Fold builtin cproj.
465         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
466         Use ATTR_CONST_NOTHROW_LIST.
467
468 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
469
470         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
471         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
472         ffsi2_no_cmove for !TARGET_CMOVE.
473         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
474         (ffssi2): Remove expander.
475         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
476         mode iterator.
477         (ctz<mode>2): Ditto from ctz{si,di}2.
478         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
479         mode iterator.
480         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
481         mode iterator.
482
483 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
484
485         * dwarf2out.c (AT_linkage_name): Define.
486         (clone_as_declaration): Handle DW_AT_linkage_name.
487         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
488         of DW_AT_MIPS_linkage_name.
489         (move_linkage_attr): Likewise.
490         (dwarf2out_finish): Likewise.
491
492 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
493
494         PR middle-end/41952
495         * fold-const.c (fold_comparison): New folding rule.
496
497 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
498
499         * double-int.h (double_int_setbit): Declare.
500         * double-int.c (double_int_setbit): New function.
501         * rtl.h (immed_double_int_const): Declare.
502         * emit-rtl.c (immed_double_int_const): New function.
503         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
504         and immed_double_int_const functions.
505         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
506         expand_copysign_bit):  (Ditto.).
507         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
508         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
509         * dojump.c (prefer_and_bit_test): (Ditto.).
510         * expr.c (convert_modes, reduce_to_bit_field_precision,
511         const_vector_from_tree): (Ditto.).
512         * expmed.c (mask_rtx, lshift_value): (Ditto.).
513
514 2010-04-20  Jan Hubicka  <jh@suse.cz>
515
516         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
517         (dump_cgraph_node): Dump new flags.
518         * cgraph.h (struct cgraph_node): Add flags
519         reachable_from_other_partition and in_other_partition.
520         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
521         other partition can not be removed.
522         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
523         the other partition must be output; silence sanity checking on
524         leaking functions bodies from other paritition.
525         * lto-cgraph.c (reachable_from_other_partition_p): New function.
526         (lto_output_node): Output new flags; do not sanity check that inline
527         clones are output; drop lto_forced_extern_inline_p code; do not mock
528         visibility flags at partition boundaries.
529         (add_node_to): New function.
530         (output_cgraph): Use it to sort functions so masters appear before
531         clones.
532         (input_overwrite_node): Input new flags.
533         * passes.c (ipa_write_summaries): Do not call
534         lto_new_extern_inline_states.
535         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
536         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
537         lto_forced_extern_inline_p): Kill.
538         * lto-streamer.h (lto_new_extern_inline_states,
539         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
540         lto_forced_extern_inline_p): Kill.
541
542 2010-04-20  Richard Guenther  <rguenther@suse.de>
543
544         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
545         from vars that can have pointers.
546         (process_constraint): Dump useless constraints.
547
548 2010-04-20  Richard Guenther  <rguenther@suse.de>
549
550         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
551         (dump_sa_points_to_info): Remove asserts.
552         (init_base_vars): nothing_id isn't an escape point nor does it
553         have pointers.
554
555 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
556
557         * tree.h (TYPE_REF_IS_RVALUE): Define.
558         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
559         should_move_die_to_comdat, prune_unused_types_walk): Handle
560         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
561         (modified_type_die, gen_reference_type_die): Emit
562         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
563         if TYPE_REF_IS_RVALUE and -gdwarf-4.
564
565 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
566
567         PR target/43635
568         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
569         calls for -fpic -m31 if they have been sibcall optimized.
570
571 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
572
573         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
574         ar.lc fixed and call-used.
575
576         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
577
578 2010-04-19  Jan Hubicka  <jh@suse.cz>
579
580         * opts.c (decode_options): Disable whpr incompatible passes.
581         * lto/lto.c (lto_1_to_1_map): Skip clones.
582         (read_cgraph_and_symbols): Do not mark everything as needed.
583         (do_whole_program_analysis): Do map only after optimizing;
584         set proper cgraph_state; use passmanager.
585
586 2010-04-19  DJ Delorie  <dj@redhat.com>
587
588         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
589         POINTER_PLUS_EXPR and fix them.
590
591 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
592
593         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
594         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
595         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
596         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
597         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
598         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
599         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
600         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
601         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
602         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
603         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
604
605 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
606
607         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
608         (check_cond_move_block): Likewise.
609         (cond_move_process_if_block): Likewise.
610         (noce_find_if_block): Improve formatting.
611         (find_if_header): Pass 0 to memset and tweak conditions.
612         (cond_exec_find_if_block): Fix long lines and tweak conditions.
613
614 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
615
616         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
617         for -gdwarf-4.
618
619         PR middle-end/43337
620         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
621         with non-local decl doesn't need chain.
622
623 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
624
625         * ira-color.c (allocno_reload_assign): Avoid accumulating
626         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
627
628 2010-04-19  Martin Jambor  <mjambor@suse.cz>
629
630         * gimple.h (create_tmp_reg): Declare.
631         * gimplify.c (create_tmp_reg): New function.
632         (gimplify_return_expr): Use create_tmp_reg.
633         (gimplify_omp_atomic): Likewise.
634         (gimple_regimplify_operands): Likewise.
635         * tree-dfa.c (make_rename_temp): Likewise.
636         * tree-predcom.c (predcom_tmp_var): Likewise.
637         (reassociate_to_the_same_stmt): Likewise.
638         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
639         (get_replaced_param_substitute): Likewise.
640         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
641         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
642         * tree-ssa-pre.c (get_representative_for): Likewise.
643         (create_expression_by_pieces): Likewise.
644         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
645         (create_tailcall_accumulator): Likewise.
646
647 2010-04-19  Martin Jambor  <mjambor@suse.cz>
648
649         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
650         new_stmt.
651         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
652
653 2010-04-19  Richard Guenther  <rguenther@suse.de>
654
655         PR tree-optimization/43796
656         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
657         from SCEV in the lattice.
658         (vrp_visit_phi_node): Dump change.
659
660 2010-04-19  Richard Guenther  <rguenther@suse.de>
661
662         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
663         * configure: Re-generated.
664
665 2010-04-19  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/43783
668         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
669         constant ARRAY_REF operands two and three if possible.
670
671 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
672
673         PR target/43766
674         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
675
676 2010-04-19  Jie Zhang  <jie@codesourcery.com>
677
678         PR target/43662
679         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
680
681 2010-04-19  Ira Rosen  <irar@il.ibm.com>
682
683         PR tree-optimization/37027
684         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
685         and macro to access it.
686         (vectorizable_reduction): Add argument.
687         (vect_get_slp_defs): Likewise.
688         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
689         statements for possible use in SLP.
690         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
691         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
692         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
693         add new argument.
694         (vectorizable_reduction): Likewise.
695         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
696         vect_get_slp_defs.
697         (vectorizable_type_demotion, vectorizable_type_promotion,
698         vectorizable_store): Likewise.
699         (vect_analyze_stmt): Update call to vectorizable_reduction.
700         (vect_transform_stmt): Likewise.
701         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
702         (vect_build_slp_tree): Fix indentation. Check that there are no loads
703         from different interleaving chains in same node.
704         (vect_slp_rearrange_stmts): New function.
705         (vect_supported_load_permutation_p): Allow load permutations for
706         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
707         inside SLP nodes if necessary.
708         (vect_analyze_slp_instance): Handle reductions.
709         (vect_analyze_slp): Try to build SLP instances originating from groups
710         of reductions.
711         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
712         (vect_get_constant_vectors): Create initial vectors for reductions
713         according to reduction code. Add new argument.
714         (vect_get_slp_defs): Add new argument, pass it to
715         vect_get_constant_vectors.
716         (vect_schedule_slp_instance): Remove SLP tree root statements.
717
718 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
719
720         * tree.h (ENUM_IS_SCOPED): Define.
721         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
722         for ENUM_IS_SCOPED enums.
723
724 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
725
726         * fold-const.c (fold_comparison): Use ssizetype.
727         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
728         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
729         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
730         * tree-object-size.c (compute_object_sizes): Use size_type_node.
731
732         * tree.h (initialize_sizetypes): Remove parameter.
733         (build_common_tree_nodes): Remove second parameter.
734         * stor-layout.c (initialize_sizetypes): Remove parameter.
735         Always create an unsigned type.
736         (set_sizetype): Assert that the passed type is unsigned and simplify.
737         * tree.c (build_common_tree_nodes): Remove second parameter.
738         Adjust call to initialize_sizetypes.
739         * c-decl.c (c_init_decl_processing): Remove second argument in call to
740         build_common_tree_nodes.
741
742 2010-04-18  Matthias Klose  <doko@ubuntu.com>
743
744         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
745
746 2010-04-18  Ira Rosen  <irar@il.ibm.com>
747
748         PR tree-optimization/43771
749         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
750         load permutation doesn't have gaps.
751
752 2010-04-18  Jan Hubicka  <jh@suse.cz>
753
754         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
755         (sse_prologue_save_insn expander): Use new pattern.
756         (sse_prologue_save_insn1): New pattern and splitter.
757         (sse_prologue_save_insn): Update to deal also with 64bit aligned
758         blocks.
759         * i386.c (setup_incoming_varargs_64): Do not compute jump
760         destination here.
761         (ix86_gimplify_va_arg): Update alignment needed.
762         (ix86_local_alignment): Do not align all local arrays to 128bit.
763
764 2010-04-17  Jan Hubicka  <jh@suse.cz>
765
766         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
767
768 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
769
770         * arm.md (negdi2): Remove redundant code to force values into a
771         register.
772
773 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
774
775         * arm/bpabi.S: Add EABI alignment attributes to objects.
776         * arm/bpabi-v6m.S: Likewise.
777         * arm/crti.asm: Likewise.
778         * arm/crtn.asm: Likewise.
779         * arm/lib1funcs.asm: Likewise.
780         * arm/libunwind.S: Likewise.
781
782 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
783
784         * arm-protos.h (tune_params): New structure.
785         * arm.c (current_tune): New variable.
786         (arm_constant_limit): Delete.
787         (struct processors): Add pointer to the tune parameters.
788         (arm_slowmul_tune): New tuning option.
789         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
790         (all_cores): Adjust to pick up the tuning model.
791         (arm_constant_limit): New function.
792         (arm_override_options): Select the appropriate tuning model.  Delete
793         initialization of arm_const_limit.
794         (arm_split_constant): Use the new constant-limit model.
795         (arm_rtx_costs): Pick up the current tuning model.
796         * arm.md (is_strongarm, is_xscale): Delete.
797         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
798         for Xscale variant architectures.
799         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
800
801 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
802
803         * config/arm/arm.c (arm_gen_constant): Remove unused variable
804         can_shift.
805         (arm_rtx_costs_1): Remove unused variable extra_cost.
806         (arm_unwind_emit_set): Use variable offset.
807         (thumb1_output_casesi): Remove unused variable flags.
808
809 2010-04-16  Jeff Law  <law@redhat.com>
810
811         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
812         needing assignment rather than doing a two-phase assignment.  Remove
813         unused variable 'm'.
814
815 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
816
817         PR bootstrap/43767
818         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
819
820 2010-04-16  Doug Kwan  <dougkwan@google.com>
821
822         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
823         (next_operand_entry_id): New static variable.
824         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
825         (add_to_ops_vec): Assigned unique ID to operand entry.
826         (struct oecount_s): New field ID.
827         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
828         (undistribute_ops_list): Assign unique IDs to oecounts.
829         (init_reassoc): reset next_operand_entry_id.
830
831 2010-04-16  Doug Kwan  <dougkwan@google.com>
832
833         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
834         missing left parenthesis.
835
836 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
837
838         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
839         *btdi_rex64 using SWI48 mode iterator.
840         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
841         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
842         *jcc_btdi_mask_rex64.
843
844 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
845
846         * double-int.h (tree_to_double_int): Convert to macro.
847         * double-int.c (tree_to_double_int): Remove.
848
849 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
850
851         PR debug/43762
852         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
853         with want_address 2 and in case a single element list might be
854         possible, call it again with want_address 0.
855
856 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
857
858         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
859         case 'W' print operands for HI mode.
860         * config/h8300/h8300.h (Y0, Y2) : New constraints.
861         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
862         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
863         * config/h8300/predicate.md (bit_register_indirect_operand): New.
864
865         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
866
867         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
868         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
869         #xx:3 and #xx:4 mode.
870
871         * config/h8300/h8300.md (inverted load with HImode dest): Add
872         support for H8300SX.
873
874         * config/h8300/predicate.md (bit_operand): Allow immediate values that
875         satisfy 'U' constraint.
876
877 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
878
879         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
880         * configure: Regenerate.
881         * config.in: Regenerate.
882         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
883         works.
884
885 2010-04-16  Richard Guenther  <rguenther@suse.de>
886
887         * tree.h (struct tree_decl_minimal): Move pt_uid ...
888         (struct tree_decl_common): ... here.
889         (DECL_PT_UID): Adjust.
890         (SET_DECL_PT_UID): Likewise.
891         (DECL_PT_UID_SET_P): Likewise.
892
893 2010-04-16  Richard Guenther  <rguenther@suse.de>
894
895         PR tree-optimization/43572
896         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
897         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
898         * tree-flow.h (is_call_clobbered): Remove.
899         * tree-flow-inline.h (is_call_clobbered): Likewise.
900         * tree-dfa.c (dump_variable): Do not dump call clobber state.
901         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
902         (execute_return_slot_opt): Adjust.
903         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
904         check for call clobbered vars here.
905         (find_tail_calls): Move tailcall verification to the
906         proper place.
907
908 2010-04-16  Diego Novillo  <dnovillo@google.com>
909
910         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
911
912 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
913
914         PR target/40603
915         * config/arm/arm.md (cbranchqi4): New pattern.
916         * config/arm/predicates.md (const0_operand,
917         cbranchqi4_comparison_operator): New predicates.
918
919 2010-04-16  Richard Guenther  <rguenther@suse.de>
920
921         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
922         (dump_gimple_stmt): Likewise.
923
924 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
925
926         * recog.h (struct recog_data): New field is_operator.
927         (struct insn_operand_data): New field is_operator.
928         * recog.c (extract_insn): Set recog_data.is_operator.
929         * genoutput.c (output_operand_data): Emit code to set the
930         is_operator field.
931         * reload.c (find_reloads): Use it rather than testing for an
932         empty constraint string.
933
934         PR target/41514
935         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
936         If the previous insn is a cbranchsi4_insn with the same arguments,
937         omit the compare instruction.
938
939         * config/arm/arm.md (addsi3_cbranch): If destination is a high
940         register, inputs must be low registers and we need a low register
941         scratch.  Handle alternative 2 like alternative 3.
942
943 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
944
945         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
946         don't call get_addr on both.  If one expression is a VALUE and
947         the other a REG, check VALUE's locs if the REG isn't among them.
948
949 2010-04-16  Christian Bruel  <christian.bruel@st.com>
950
951         * config/sh/sh.h (sh_frame_pointer_required): New function.
952         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
953         (flag_omit_frame_pointer) Set.
954         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
955         (rounded_frame_size): Adjust size with outgoing_args_size.
956         (sh_set_return_address): Must return from stack pointer.
957         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
958         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
959         (ACCUMULATE_OUTGOING_ARGS): Define.
960         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
961         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
962
963 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
964
965         PR target/43471
966         * config/sh/sh.c (sh_legitimize_reload_address): Use
967         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
968         Remove a unneeded check for offset_base.
969
970 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
971
972         * configure: Regenerated.
973
974 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
975
976         * config/s390/s390.c (s390_call_save_register_used): Switch back
977         to HARD_REGNO_NREGS.
978
979 2010-04-15  Richard Guenther  <rguenther@suse.de>
980
981         * alias.c (alias_set_subset_of): Handle alias-set zero
982         child properly.
983
984 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
985             Julian Brown  <julian@codesourcery.com>
986
987         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
988         alternatives according to use of high and low regs.
989         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
990         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
991         optimizing for size on Thumb-2.
992
993 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
994
995         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
996
997 2010-04-15  Richard Guenther  <rguenther@suse.de>
998
999         * tree-ssa-structalias.c (struct variable_info): Add
1000         is_fn_info flag.
1001         (new_var_info): Initialize it.
1002         (dump_constraints): Support printing last added constraints.
1003         (debug_constraints): Adjust.
1004         (dump_constraint_graph): Likewise.
1005         (make_heapvar_for): Check for NULL cfun.
1006         (get_function_part_constraint): New function.
1007         (get_fi_for_callee): Likewise.
1008         (find_func_aliases): Properly implement IPA PTA constraints.
1009         (process_ipa_clobber): New function.
1010         (find_func_clobbers): Likewise.
1011         (insert_into_field_list_sorted): Remove.
1012         (create_function_info_for): Properly allocate vars for IPA mode.
1013         Do not use insert_into_field_list_sorted.
1014         (create_variable_info_for): Properly generate constraints for
1015         global vars in IPA mode.
1016         (dump_solution_for_var): Always dump the solution.
1017         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1018         (find_what_var_points_to): Adjust.
1019         (pt_solution_set): Change.
1020         (pt_solution_ior_into): New function.
1021         (pt_solution_empty_p): Export.
1022         (pt_solution_includes_global): Adjust.
1023         (pt_solution_includes_1): Likewise.
1024         (pt_solutions_intersect_1): Likewise.
1025         (dump_sa_points_to_info): Check some invariants.
1026         (solve_constraints): Move constraint dumping ...
1027         (compute_points_to_sets): ... here.
1028         (ipa_pta_execute): ... and here.
1029         (compute_may_aliases): Do not re-compute points-to info
1030         locally if IPA info is available.
1031         (ipa_escaped_pt): New global var.
1032         (ipa_pta_execute): Properly implement IPA PTA.
1033         * tree-into-ssa.c (dump_decl_set): Support dumping
1034         decls not in referenced-vars.
1035         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1036         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1037         (dump_points_to_solution): Likewise.
1038         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1039         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1040         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1041         (copy_decl_to_var): Copy DECL_PT_UID.
1042         (copy_result_decl_to_var): Likewise.
1043         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1044         (copy_node_stat): Copy it.
1045         * tree.h (DECL_PT_UID): New macro.
1046         (SET_DECL_PT_UID): Likewise.
1047         (DECL_PT_UID_SET_P): Likewise.
1048         (struct tree_decl_minimal): Add pt_uid member.
1049         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1050         (pt_solution_empty_p): Declare.
1051         (pt_solution_set): Adjust.
1052         (ipa_escaped_pt): Declare.
1053         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1054         * gimple-pretty-print.c (pp_points_to_solution): New function.
1055         (dump_gimple_call): Dump call clobber/use information.
1056         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1057         * tree-pass.h (TDF_ALIAS): New dump option.
1058         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1059         * doc/invoke.texi (-fipa-pta): Update documentation.
1060
1061 2010-04-15  Richard Guenther  <rguenther@suse.de>
1062
1063         * Makefile.in (OBJS-common): Add gimple-fold.o.
1064         (gimple-fold.o): New rule.
1065         * tree.h (maybe_fold_offset_to_reference,
1066         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1067         prototypes ...
1068         * gimple.h: ... here.
1069         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1070         may_propagate_address_into_dereference): Move prototypes ...
1071         * gimple.h: ... here.
1072         * tree-ssa-ccp.c (get_symbol_constant_value,
1073         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1074         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1075         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1076         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1077         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1078         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1079         gimplify_and_update_call_from_tree): Move ...
1080         * gimple-fold.c: ... here.  New file.
1081         (ccp_fold_builtin): Rename to ...
1082         (gimple_fold_builtin): ... this.
1083         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1084
1085 2010-04-15  Richard Guenther  <rguenther@suse.de>
1086
1087         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1088         fit_double_type, force_fit_type_double, add_double_with_sign,
1089         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1090         lrotate_double, rrotate_double, div_and_round_double): Move ...
1091         * double-int.c: ... here.
1092         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1093         add_double, neg_double, mul_double_with_sign, mul_double,
1094         lshift_double, rshift_double, lrotate_double, rrotate_double,
1095         div_and_round_double): Move prototypes ...
1096         * double-int.h: ... here.
1097
1098 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1099
1100         PR target/43742
1101         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1102         matching constraints to ensure inputs match the output.
1103
1104 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1105
1106         PR target/43742
1107         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1108         in an input-only operand.
1109
1110 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1111
1112         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1113         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1114         (double_int_negative_p): Convert to static inline function.
1115         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1116         (double_int_negative_p): Remove.
1117         * tree.h (lshift_double, rshift_double):
1118         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1119         * fold-const.c (fold_convert_const_int_from_real,
1120         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1121         (lshift_double): Change type of arith argument to bool.
1122         (rshift_double): Change type of arith argument to bool. Correct
1123         comment.
1124         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1125
1126 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1127
1128         PR target/21803
1129         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1130         at the start and end of the then/else blocks, and omit them from the
1131         conversion.
1132         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1133         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1134         (flow_find_head_matching_sequence): New function.
1135         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1136         * basic-block.h (flow_find_cross_jump,
1137         flow_find_head_matching_sequence): Declare functions.
1138
1139 2010-04-14  Jason Merrill  <jason@redhat.com>
1140
1141         PR c++/36625
1142         * c-common.c (attribute_takes_identifier_p): New fn.
1143         * c-common.h: Declare it.
1144
1145 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1146
1147         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1148         splitter condition.
1149         (*udivmod<mode>4): Ditto.
1150
1151 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1152
1153         * config/i386/i386.md (maxmin_int): Rename code attribute from
1154         maxminiprefix and update all users.
1155         (maxmin_float): Ditto from maxminfprefix.
1156         (logic): Ditto from logicprefix.
1157         (absneg_mnemonic): Ditto from absnegprefix.
1158         * config/i386/mmx.md: Update all users of maxminiprefix,
1159         maxminfprefix and logicprefix for rename.
1160         * config/i386/sse.md: Ditto.
1161         * config/i386/sync.md (sync_<code><mode>): Update for
1162         logicprefix rename.
1163
1164 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1165
1166         PR 42966
1167         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1168         warnings converted to errors.
1169
1170 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1171
1172         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1173         used insn_type variable.
1174         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1175         to avoid set-but-not-used warning.
1176
1177 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * df-core.c (df_ref_debug): Change format string placeholder
1180         from 0x%x to %#x.
1181         * dwarf2asm.c (dw2_asm_output_data_raw,
1182         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1183         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1184         * dwarf2out.c (output_cfi, output_cfi_directive,
1185         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1186         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1187         Ditto.
1188         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1189         * print-rtl.c (print_rtx): Ditto.
1190
1191 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1192
1193         PR middle-end/42694
1194         * builtins.c (expand_builtin_pow_root): New function to expand pow
1195         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1196         series of sqrt and cbrt calls under -ffast-math.
1197         (expand_builtin_pow): Call it.
1198
1199 2010-04-14  Michael Matz  <matz@suse.de>
1200
1201         PR tree-optimization/42963
1202         * tree-cfg.c (touched_switch_bbs): New static variable.
1203         (group_case_labels_stmt): New function broken out from ...
1204         (group_case_labels): ... here, use the above.
1205         (start_recording_case_labels): Allocate touched_switch_bbs.
1206         (end_recording_case_labels): Deallocate it, call
1207         group_case_labels_stmt.
1208         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1209
1210 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1211
1212         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1213         from insn template.
1214
1215 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1218
1219 2010-04-13  Jan Hubicka  <jh@suse.cz>
1220
1221         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1222         of optimized out static functions.
1223         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1224         cost computation.  Also sanity check for overflows.
1225         (update_caller_keys): Update cgraph_edge_badness call; properly
1226         update fibheap and sanity check that it is up to date.
1227         (add_new_edges_to_heap): Update cgraph_edge_badness.
1228         (cgraph_decide_inlining_of_small_function): Likewise;
1229         add sanity checking that badness in heap is up to date;
1230         improve dumping of reason; Update badness of calls to the
1231         offline copy of function currently inlined; dump badness
1232         of functions not inlined because of unit growth limits.
1233
1234 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1235
1236         PR middle-end/32628
1237         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1238         because of sign-extension change when converting to sizetype here...
1239         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1240
1241         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1242         the folding to constants.  Remove redundant final conversion.
1243         (fold_binary) <associate>: Do not associate if the re-association of
1244         constants alone overflows.
1245         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1246         to the end of the list.
1247         (multiple_of_p) <COND_EXPR>: New case.
1248
1249 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1250
1251         * opt-functions.awk (opt_sanitized_name): New.
1252         (opt_enum): New.
1253         * optc-gen.awk: Use it
1254         * opth-gen.awk: Use it.
1255
1256 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1257
1258         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1259         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1260         children.  Call replace_uses_with_default_def_ssa_name to handle
1261         SSA_NAES on lhs.
1262
1263 2010-04-13  Michael Matz  <matz@suse.de>
1264
1265         PR middle-end/43730
1266         * builtins.c (expand_builtin_interclass_mathfn): Also create
1267         a register if the predicate doesn't match.
1268
1269 2010-04-13  Diego Novillo  <dnovillo@google.com>
1270
1271         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1272         * c-pch.c: Include timevar.h.
1273         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1274         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1275         * ggc-common.c: Include timevar.h.
1276         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1277         * timevar.def (TV_PCH_SAVE): Define.
1278         (TV_PCH_CPP_SAVE): Define.
1279         (TV_PCH_PTR_REALLOC): Define.
1280         (TV_PCH_PTR_SORT): Define.
1281         (TV_PCH_RESTORE): Define.
1282         (TV_PCH_CPP_RESTORE): Define.
1283
1284 2010-04-13  Michael Matz  <matz@suse.de>
1285
1286         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1287         into MINUS_EXPRs.
1288         (can_reassociate_p): New function.
1289         (break_up_subtract_bb, reassociate_bb): Use it.
1290
1291 2010-04-13  Richard Guenther  <rguenther@suse.de>
1292
1293         PR bootstrap/43737
1294         * builtins.c (c_readstr): Fix assert.
1295
1296 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1299         when generating cltd insn.
1300
1301         (*ashl<mode>3_1): Remove special handling for register operand 2.
1302         (*ashlsi3_1_zext): Ditto.
1303         (*ashlhi3_1): Ditto.
1304         (*ashlhi3_1_lea): Ditto.
1305         (*ashlqi3_1): Ditto.
1306         (*ashlqi3_1_lea): Ditto.
1307         (*<shiftrt_insn><mode>3_1): Ditto.
1308         (*<shiftrt_insn>si3_1_zext): Ditto.
1309         (*<shiftrt_insn>qi3_1_slp): Ditto.
1310         (*<rotate_insn><mode>3_1): Ditto.
1311         (*<rotate_insn>si3_1_zext): Ditto.
1312         (*<rotate_insn>qi3_1_slp): Ditto.
1313
1314 2010-04-13  Richard Guenther  <rguenther@suse.de>
1315
1316         * tree-ssa-structalias.c (callused_id): Remove.
1317         (call_stmt_vars): New.
1318         (get_call_vi): Likewise.
1319         (lookup_call_use_vi): Likewise.
1320         (lookup_call_clobber_vi): Likewise.
1321         (get_call_use_vi): Likewise.
1322         (get_call_clobber_vi): Likewise.
1323         (make_transitive_closure_constraints): Likewise.
1324         (handle_const_call): Adjust to do per-call call-used handling.
1325         (handle_pure_call): Likewise.
1326         (find_what_var_points_to): Remove general callused handling.
1327         (init_base_vars): Likewise.
1328         (init_alias_vars): Initialize call_stmt_vars.
1329         (compute_points_to_sets): Process call-used and call-clobbered
1330         vars for call statements.
1331         (delete_points_to_sets): Free call_stmt_vars.
1332
1333 2010-04-13  Richard Guenther  <rguenther@suse.de>
1334
1335         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1336         Only add RW dependence for dependence distance zero.
1337         Adjust maximal vectorization factor according to dependences.
1338         Move alignment handling ...
1339         (vect_find_same_alignment_drs): ... here.  New function.
1340         (vect_analyze_data_ref_dependences): Adjust.
1341         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1342         (vect_analyze_data_refs): Adjust minimal vectorization factor
1343         according to data references.
1344         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1345         dependences before determining the vectorization factor.
1346         Analyze alignment after determining the vectorization factor.
1347         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1348         dependences before alignment.
1349         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1350         Adjust prototype.
1351         (vect_analyze_data_refs): Likewise.
1352         (MAX_VECTORIZATION_FACTOR): New define.
1353
1354 2010-04-13  Duncan Sands  <baldrick@free.fr>
1355
1356         * except.h (lang_eh_type_covers): Remove.
1357         * except.c (lang_eh_type_covers): Likewise.
1358
1359 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1360             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1361
1362         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1363         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1364         UNITS_PER_LONG where it is ABI relevant.
1365         (s390_return_addr_rtx): Likewise.
1366         (s390_back_chain_rtx): Likewise.
1367         (s390_frame_area): Likewise.
1368         (s390_frame_info): Likewise.
1369         (s390_initial_elimination_offset): Likewise.
1370         (save_gprs): Likewise.
1371         (s390_emit_prologue): Likewise.
1372         (s390_emit_epilogue): Likewise.
1373         (s390_function_arg_advance): Likewise.
1374         (s390_function_arg): Likewise.
1375         (s390_va_start): Likewise.
1376         (s390_gimplify_va_arg): Likewise.
1377         (s390_function_profiler): Likewise.
1378         (s390_optimize_prologue): Likewise.
1379         (s390_rtx_costs): Likewise.
1380         (s390_secondary_reload): Likewise.
1381         (s390_promote_function_mode): Likewise.
1382         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1383         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1384         registers available.
1385         (s390_unwind_word_mode): New function.
1386         (s390_function_value): Split 64 bit values into register pair if
1387         used as return value.
1388         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1389         function call parameters.  Handle parallels.
1390         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1391         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1392         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1393         (s390_expand_setmem): Remove unused variable src_addr.
1394         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1395         deal with 64 bit registers.
1396         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1397         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1398         (UNITS_PER_LONG): New macro.
1399         * libjava/include/s390-signal.h: Define extended ucontext
1400         structure containing the upper halfs of the 64 bit registers.
1401
1402 2010-04-13  Simon Baldwin  <simonb@google.com>
1403
1404         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1405
1406 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1407
1408         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1409         rvalue on the RHS if the LHS is of a non-renamable type.
1410         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1411
1412 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1413
1414         * gcc.c (cc1_options): Handle -iplugindir before processing
1415         the cc1 spec. Only add -iplugindir once.
1416         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1417         found.
1418         * common.opt (iplugindir): Remove `Separate' property, initialize.
1419         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1420         option.
1421         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1422         (distclean): Remove plugin dir.
1423         * doc/invoke.texi: Document -iplugindir.
1424
1425 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1426
1427         * doc/plugins.texi (Loading Plugins): Document short
1428         -fplugin=foo option.
1429         (Plugin API): Mention default_plugin_dir_name function.
1430
1431         * gcc.c (find_file_spec_function): Add new declaration.
1432         (static_spec_func): Use it for "find-file".
1433         (find_file_spec_function): Add new function.
1434         (cc1_options): Add -iplugindir option if -fplugin* options found.
1435
1436         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1437
1438         * plugin.c (add_new_plugin): Updated comment, and handle short
1439         plugin name.
1440         (default_plugin_dir_name): Added new function.
1441
1442         * common.opt (iplugindir): New option to set the plugin directory.
1443
1444 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1445
1446         * config/i386/i386.md (any_rotate): New code iterator.
1447         (rotate_insn): New code attribute.
1448         (rotate): Ditto.
1449         (SWIM124): New mode iterator.
1450         (<rotate_insn>ti3): New expander.
1451         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1452         any_rotate code iterator.
1453         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1454         using any_rotate code iterator and SWIM124 mode iterator.
1455         (ix86_rotlti3): New insn_and_split pattern.
1456         (ix86_rotrti3): Ditto.
1457         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1458         ix86_rotl{di,ti}3 patterns.
1459         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1460         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1461         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1462         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1463         code iterator and SWI mode iterator.
1464         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1465         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1466         code iterator.
1467         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1468         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1469         (bswap rotatert splitter): Add splitter.
1470         (bswap splitter): Macroize splitter using any_rotate code iterator.
1471         Add insn predicate to split only for TARGET_USE_XCHGB or when
1472         optimizing function for size.
1473
1474 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1475
1476         * config/pa/pa.c (emit_move_sequence): Remove use of
1477         deleted variable flag_argument_noalias.
1478
1479 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1480
1481         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1482         configurations.
1483         Add to unsupported targets list.
1484         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1485         sparc*-sun-solaris2.[567]* from target lists.
1486         * configure: Regenerate.
1487         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1488         removal.
1489         Remove Solaris 7 patch references.
1490         (Specific, sparc-sun-solaris2.7): Removed.
1491         (sparc-sun-solaris2*): Update Solaris 7 example.
1492         (sparc64-*-solaris2*): Likewise.
1493
1494 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1495
1496         * config.build (alpha*-dec-osf4*): Remove.
1497         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1498         of obsolete configurations.
1499         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1500         support.
1501         * config/alpha/t-osf4: Renamed to ...
1502         * config/alpha/t-osf5: ... this.
1503         * config/alpha/osf.h: Renamed to ...
1504         * config/alpha/osf5.h: ... this.
1505         Merged old osf5.h contents.
1506         Update comments.
1507         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1508         (EXTRA_SPECS): Removed.
1509         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1510         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1511         Document that.
1512
1513 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1514
1515         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1516
1517 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1518
1519         PR/43702
1520         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1521         __thiscall convention.
1522
1523 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1524
1525         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1526         orig_base.
1527         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1528
1529 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1530
1531         * function.c (assign_parms_initialize_all): Add unused attribute
1532         to fntype.
1533
1534 2010-04-12  Richard Guenther  <rguenther@suse.de>
1535
1536         * gsstruct.def (GSS_CALL): New.
1537         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1538         * gimple.h: Include tree-ssa-alias.h.
1539         (struct gimple_statement_call): New.
1540         (union gimple_statement_struct_d): Add gimple_call member.
1541         (gimple_call_reset_alias_info): Declare.
1542         (gimple_call_use_set): New function.
1543         (gimple_call_clobber_set): Likewise.
1544         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1545         * gimple.c (gimple_call_reset_alias_info): New function.
1546         (gimple_build_call_1): Call it.
1547         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1548         * tree-inline.c (remap_gimple_stmt): Likewise.
1549         (expand_call_inline): Remove callused handling.
1550         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1551         * tree-dfa.c (dump_variable): Likewise.
1552         * tree-parloops.c (parallelize_loops): Likewise.
1553         * tree-ssa.c (init_tree_ssa): Likewise.
1554         (delete_tree_ssa): Likewise.
1555         * tree-flow-inline.h (is_call_used): Remove.
1556         * tree-flow.h (struct gimple_df): Remove callused member.
1557         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1558         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1559         (ref_maybe_used_by_call_p_1): Simplify.
1560         (call_may_clobber_ref_p_1): Likewise.
1561         * tree-ssa-structalias.c (compute_points_to_sets): Set
1562         the call stmt used and clobbered sets.
1563         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1564         (find_tail_calls): Verify the tail call.
1565
1566 2010-04-12  Richard Guenther  <rguenther@suse.de>
1567
1568         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1569         single-iteration always-inline inlining.
1570         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1571         (cgraph_decide_inlining): Do not handle always-inline specially.
1572         (try_inline): Remove always-inline cycle detection special case.
1573         Do not recurse on always-inlines.
1574         (cgraph_early_inlining): Do not iterate if not optimizing.
1575         (cgraph_gate_early_inlining): remove.
1576         (pass_early_inline): Run unconditionally.
1577         (gate_cgraph_decide_inlining): New function.
1578         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1579         not inlining or optimizing.
1580         (cgraph_decide_inlining_of_small_functions): Also consider
1581         always-inline functions.
1582         (cgraph_default_inline_p): Return true for nodes which should
1583         disregard inline limits.
1584         (estimate_function_body_sizes): Assume zero size and time for
1585         nodes which are marked as disregarding inline limits.
1586         (cgraph_decide_recursive_inlining): Do not perform recursive
1587         inlining on always-inline nodes.
1588
1589 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR bootstrap/43699
1592         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1593         for exprs satisfying handled_component_p.
1594
1595 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1596
1597         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1598         non-constant aggregate elements.
1599
1600         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1601         is a real initialization.
1602
1603 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1604
1605         PR c/36774
1606         * c-decl.c (start_function): Move forward check for nested function.
1607
1608 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1609
1610         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1611         * config/sh/sh.c: Include reload.h.
1612         (sh_legitimize_reload_address): New.
1613         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1614         sh_legitimize_reload_address.
1615
1616 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1617
1618         * config/sh/sh.md (*movqi_pop): New insn pattern.
1619         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1620
1621 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1622
1623         * config/i386/i386.md (any_shiftrt): New code iterator.
1624         (shiftrt_insn): New code attribute.
1625         (shiftrt): Ditto.
1626         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1627         using any_shiftrt code iterator.
1628         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1629         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1630         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1631         pattern from corresponding peephole2 patterns.
1632         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1633         using any_shiftrt code iterator.
1634         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1635         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1636         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1637         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1638         *{ashr,lshr}<mode>3_cmp_zext.
1639         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1640
1641 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1642
1643         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1644         scratch register.
1645         (*lshr<mode>3_cconly): Ditto.
1646
1647 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1648
1649         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1650         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1651         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1652         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1653         DWI mode iterator.
1654         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1655         from corresponding peephole2 patterns.
1656         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1657         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1658         and *lshrdi3_1_rex64 using SWI mode iterator.
1659         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1660         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1661         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1662         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1663         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1664         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1665         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1666         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1667         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1668         SWI mode iterator.
1669
1670 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1673         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1674         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1675         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1676         DWI mode iterator.
1677         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1678         from corresponding peephole2 patterns.
1679         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1680         (ashrsi3_cvt): Rename from ashrsi3_31.
1681         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1682         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1683         and x86_64_shift_adj_3 using SWI48 mode iterator.
1684         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1685         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1686         and *ashrdi3_1_rex64 using SWI mode iterator.
1687         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1688         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1689         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1690         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1691         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1692         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1693         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1694         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1695         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1696         SWI mode iterator.
1697         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1698         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1699         x86_shift<mode>_adj_3 expanders.
1700
1701 2010-04-10  Wei Guozhi  <carrot@google.com>
1702
1703         PR target/42601
1704         * config/arm/arm.c (arm_pic_static_addr): New function.
1705         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1706         a static symbol.
1707         (arm_output_addr_const_extra): Output expression for new pattern.
1708         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1709
1710 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1711
1712         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1713         not enabled.
1714
1715         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1716         * web.c: Include "insn-config.h" and "recog.h".
1717         (union_match_dups): New function.
1718         (web_main): Call it.
1719         (union_defs): Don't try to recognize match_dups.
1720
1721         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1722         if doing so would replace the entire pattern.
1723
1724 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1725
1726         PR target/43707
1727         PR target/43709
1728         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1729         and splitter pattern.  Change splitter operand 1 predicate to
1730         nonmemory_operand.
1731
1732 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1733
1734         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1735         lattices are addresses of CONST_DECLs with the same initial value.
1736         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1737         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1738
1739 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1740             Bernd Schmidt  <bernds@codesourcery.com>
1741
1742         * loop-invariant.c (replace_uses): New static function.
1743         (move_invariant_reg): Use it to ensure we can replace the uses.
1744
1745 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1746
1747         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1748         function template.
1749         (picochip_override_options): Enable section anchors only above -O1.
1750         (picochip_reorg): Fixed a couple of build warnings.
1751
1752 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1753
1754         * configure.ac (plugin -rdynamic test): Log result.
1755         * configure: Regenerate.
1756         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1757         (RDYNAMIC_SPEC): Define.
1758         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1759
1760 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1761
1762         * configure.ac: Determine Sun ld version numbers.
1763         (comdat_group): Restrict GNU ld version checks to gld.
1764         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1765         (enable_comdat): Support --enable-comdat.
1766         * configure: Regenerate.
1767         * doc/install.texi (Configuration): Document --enable-comdat.
1768
1769 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1770
1771         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1772         * config/sol2-gld.h: ... here.
1773         * config.gcc (sparc*-*-solaris2*): Reflect this.
1774         (i[34567]86-*-solaris2*): Use it.
1775
1776 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1777
1778         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1779         setup_clocks_p.
1780         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1781
1782 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1783
1784         PR 42965
1785         * diagnostic.c (diagnostic_initialize): Initialize
1786         some_warnings_are_errors.
1787         (diagnostic_finish): New.
1788         (diagnostic_action_after_output): Call it before exiting.
1789         (diagnostic_report_diagnostic): Do not print message here. Set
1790         some_warnings_are_errors.
1791         * diagnostic.h (diagnostic_context): Delete
1792         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1793         (diagnostic_finish): Declare.
1794         * toplev.c (toplev_main): Call it before exit.
1795
1796 2010-04-09  Jason Merrill  <jason@redhat.com>
1797
1798         PR c++/42623
1799         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1800         for incomplete type.
1801
1802         PR c++/41788
1803         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1804         based on a warning flag.
1805
1806 2010-04-09  Richard Guenther  <rguenther@suse.de>
1807
1808         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1809
1810 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1811
1812         PR bootstrap/43684
1813         * varasm.c (default_assemble_visibility): Wrap vars that are
1814         set, but unused, by targets without GAS.
1815         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1816         Remove set, but unused, vars.
1817         (rs6000_legitimize_tls_address): Likewise.
1818         (altivec_expand_dst_builtin): Likewise.
1819         * config/darwin.c (machopic_classify_symbol): Likewise.
1820         (machopic_indirection_name): Likewise.
1821
1822 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         * config/i386/i386.md (DWI): New mode iterator.
1825         (S): New mode attribute.
1826         (shift_operand): Ditto.
1827         (shift_immediate_operand): Ditto.
1828         (ashl_input_operand): Ditto.
1829         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1830         using SDWIM mode iterator.
1831         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1832         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1833         DWI mode iterator.
1834         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1835         from corresponding peephole2 patterns.
1836         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1837         and x86_64_shift_adj_1 using SWI48 mode iterator.
1838         (x86_shift<mode>_adj_2): Ditto.
1839         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1840         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1841         using SWI48 mode iterator.
1842         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1843         *ashldi3_cmp_rex64 using SWI mode iterator.
1844         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1845         *ashldi3_cconly_rex64 using SWI mode iterator.
1846         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1847         x86_shift<mode>_adj_{1,2}.
1848         (ix86_split_ashr): Ditto.
1849         (ix86_split_lshr): Ditto.
1850
1851 2010-04-09  Richard Guenther  <rguenther@suse.de>
1852
1853         * target.h (builtin_conversion): Pass in input and output types.
1854         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1855         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1856         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1857         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1858
1859         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1860         Handle AVX modes.
1861         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1862
1863 2010-04-09  Richard Guenther  <rguenther@suse.de>
1864
1865         PR target/43152
1866         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1867
1868 2010-04-09  Richard Guenther  <rguenther@suse.de>
1869
1870         * tree-vectorizer.h (struct _stmt_vec_info): Document
1871         that vectype is the type of the LHS.
1872         (supportable_widening_operation, supportable_narrowing_operation):
1873         Get both input and output vector types as arguments.
1874         (vect_is_simple_use_1): Declare.
1875         (get_same_sized_vectype): Likewise.
1876         * tree-vect-loop.c (vect_determine_vectorization_factor):
1877         Set STMT_VINFO_VECTYPE to the vector type of the def.
1878         (vectorizable_reduction): Adjust.
1879         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1880         Adjust.  Specify the output vector type.
1881         (vect_pattern_recog_1): Adjust.
1882         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1883         (vectorizable_call): Adjust.
1884         (vectorizable_conversion): Likewise.
1885         (vectorizable_operation): Likewise.
1886         (vectorizable_type_demotion): Likewise.
1887         (vectorizable_type_promotion): Likewise.
1888         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1889         the def.
1890         (vect_is_simple_use_1): New function.
1891         (supportable_widening_operation): Get both input and output
1892         vector types.
1893         (supportable_narrowing_operation): Likewise.
1894         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1895
1896 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1897
1898         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1899         __thiscall and _thiscall as predefined macros.
1900         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1901         thiscall attribute handling.
1902         (ix86_comp_type_attributes): Likewise.
1903         (ix86_function_regparm): Likewise.
1904         (ix86_return_pops_args): Likewise.
1905         (init_cumulative_args): Likewise.
1906         (find_drap_reg): Likewise.
1907         (ix86_static_chain): Likewise.
1908         (x86_this_parameter): Likewise.
1909         (x86_output_mi_thunk): Likewise.
1910         (ix86_attribute_table): Add description for thiscall attribute.
1911         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1912         * doc/extend.texi: Add documentation for thiscall.
1913
1914 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1915
1916         PR c++/28584
1917         * c.opt (Wint-to-pointer-cast): Available in C++.
1918         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1919
1920 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1921
1922         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1923         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1924         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1925         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1926         function type instead.  Reorder and simplify checks.
1927
1928         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1929
1930 2010-04-08  Jing Yu  <jingyu@google.com>
1931             Zdenek Dvorak  <ook@ucw.cz>
1932
1933         PR tree-optimization/42720
1934         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1935         loop unswitch conditions here from ...
1936         (tree_unswitch_single_loop): ... here.
1937
1938 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1939
1940         * tree-if-conv.c: Fix comments and simplify logic.
1941
1942 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1943
1944         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1945         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1946         (main_tree_if_conversion): Update call to tree_if_conversion.
1947
1948 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1949
1950         PR 42485
1951         * doc/invoke.texi (-b,-V): Delete.
1952         * doc/tm.texi: Do not mention -b.
1953         * gcc.c (display_help): Delete -b and -V.
1954         (process_command): Delete -b and -V.
1955         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1956
1957 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1958             Wolfgang Gellerich  <gellerich@de.ibm.com>
1959
1960         Implement target hook for loop unrolling
1961         * target.h (loop_unroll_adjust): Add a new target hook function.
1962         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1963         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1964         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1965         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1966         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1967         target hook.
1968         (decide_unroll_stupid): Likewise.
1969
1970 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1971
1972         PR target/43643
1973         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1974
1975 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1976
1977         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1978         (Specific, *-*-solaris2*): Likewise.
1979         Don't prefer Sun as over GNU as.
1980
1981 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1982
1983         * config/s390/s390.c (override_options): Adjust the z10
1984           defaults for max-unroll-times, max-completely-peeled-insns
1985           and max-completely-peel-times.
1986
1987 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1988
1989         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1990         instructions for z10.
1991         (s390_expand_setmem): Likewise.
1992         (s390_expand_cmpmem): Likewise.
1993
1994 2010-04-08  Richard Guenther  <rguenther@suse.de>
1995
1996         PR tree-optimization/43679
1997         * tree-ssa-pre.c (eliminate): Only propagate copies.
1998
1999 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2000
2001         PR bootstrap/43681
2002         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2003         set but not used variable warning.
2004
2005 2010-04-08  Wei Guozhi  <carrot@google.com>
2006
2007         PR target/41653
2008         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2009         (arm_size_rtx_costs): Call the new function when optimized for size.
2010
2011 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2012
2013         PR debug/43670
2014         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2015         op0 is not a MEM, just return NULL instead of assertion
2016         failure.
2017         (discover_nonconstant_array_refs): Don't walk debug stmts.
2018
2019 2010-04-08  Doug Kwan  <dougkwan@google.com>
2020
2021         * configure.ac: Recognize gold and do not use its version number
2022         to test ld features.
2023         * configure: Regenerate.
2024
2025 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2026
2027         PR middle-end/40815
2028         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2029         (negate_value): Move code to push elements to broken_up_substracts ...
2030         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2031         negative pair to plus_negates.
2032         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2033
2034 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2035
2036         * doc/install.texi (Configuration): Move description of
2037         --enable-lto, --with-libelf*, --enable-gold from Java section to
2038         general section.
2039
2040         * doc/generic.texi (Working with declarations)
2041         (Function Properties, C and C++ Trees): Fix typos.
2042         * doc/sourcebuild.texi (Top Level): Likewise.
2043
2044 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2045
2046         PR c/18624
2047         * tree.h (DECL_READ_P): Define.
2048         (struct tree_decl_common): Add decl_read_flag.
2049         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2050         a set but not used warning.
2051         (merge_decls): Merge DECL_READ_P flag.
2052         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2053         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2054         * c-common.c (handle_used_attribute, handle_unused_attribute):
2055         Likewise.
2056         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2057         New prototypes.
2058         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2059         New functions.
2060         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2061         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2062         c_parser_binary_expression, c_parser_cast_expression,
2063         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2064         Call default_function_array_read_conversion instead of
2065         default_function_array_conversion where needed.
2066         (c_parser_unary_expression, c_parser_conditional_expression,
2067         c_parser_postfix_expression_after_primary, c_parser_initelt):
2068         Likewise.  Call mark_exp_read where needed.
2069         (c_parser_statement_after_labels, c_parser_asm_operands,
2070         c_parser_typeof_specifier, c_parser_sizeof_expression,
2071         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2072         where needed.
2073         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2074         New.
2075         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2076         (warn_unused_but_set_parameter): Default to warn_unused
2077         && extra_warnings.
2078         * doc/invoke.texi: Document -Wunused-but-set-variable and
2079         -Wunused-but-set-parameter.
2080
2081         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2082         used count variable.
2083         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2084         when operandN variables aren't used in the body of the expander
2085         or splitter.
2086         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2087         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2088         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2089         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2090         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2091         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2092         * tree.c (PROCESS_ARG): Likewise.
2093
2094 2010-04-07  Simon Baldwin  <simonb@google.com>
2095
2096         * diagnostic.h (diagnostic_override_option_index): New macro to
2097         set a diagnostic's option_index.
2098         * c-tree.h (c_cpp_error): Add warning reason argument.
2099         * opts.c (_warning_as_error_callback): New.
2100         (register_warning_as_error_callback): Store callback for
2101         warnings enabled via enable_warning_as_error.
2102         (enable_warning_as_error): Call callback, minor code tidy.
2103         * opts.h (register_warning_as_error_callback): Declare.
2104         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2105         response to -Werror=.
2106         (c_common_init_options): Register warning_as_error_callback in opts.c.
2107         * common.opt: Add -Wno-cpp option.
2108         * c-common.c (struct reason_option_codes_t): Map cpp warning
2109         reason codes to gcc option indexes.
2110         * (c_option_controlling_cpp_error): New function, lookup the gcc
2111         option index for a cpp warning reason code.
2112         * (c_cpp_error): Add warning reason argument, call
2113         c_option_controlling_cpp_error for diagnostic_override_option_index.
2114         * doc/invoke.texi: Document -Wno-cpp.
2115
2116 2010-04-07  Richard Guenther  <rguenther@suse.de>
2117
2118         * ipa-reference.c (mark_load): Use get_base_address.
2119         (mark_store): Likewise.
2120
2121         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2122         inserting GIMPLE_NOPs into the IL.
2123         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2124         Explicitly strip handled components and indirect references.
2125
2126         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2127         folding address expressions.
2128         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2129         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2130         operand_equal_p to compare decls.
2131         (ptr_deref_may_alias_decl_p): Likewise.
2132         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2133         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2134         Handle reversed comparison ops.
2135         * tree-sra.c (asm_visit_addr): Use get_base_address.
2136         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2137         * ipa-reference.c (mark_address): Use get_base_address.
2138
2139 2010-04-07  Richard Guenther  <rguenther@suse.de>
2140
2141         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2142         Propagate constants everywhere.
2143
2144 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2145
2146         PR debug/43516
2147         * tree.c (MAX_INT_CACHED_PREC): Define.
2148         (nonstandard_integer_type_cache): New array.
2149         (build_nonstandard_integer_type): Cache results for precision
2150         <= MAX_INT_CACHED_PREC.
2151
2152 2010-04-07  Richard Guenther  <rguenther@suse.de>
2153
2154         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2155         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2156         * common.opt: Likewise.
2157         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2158         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2159         (nonoverlapping_memrefs_p): Likewise.
2160         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2161         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2162         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2163         OPT_fargument_noalias_global for backward compatibility.
2164
2165 2010-04-07  Richard Guenther  <rguenther@suse.de>
2166
2167         PR tree-optimization/43270
2168         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2169         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2170         * tree-ssa-pre.c (phi_translate_1): Adjust.
2171         (fully_constant_expression): Split out vn_reference handling to ...
2172         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2173         Fold reads from constant strings.
2174         (vn_reference_lookup): Handle fully constant references.
2175         (vn_reference_lookup_pieces): Likewise.
2176         * Makefile.in (expmed.o-warn): Add -Wno-error.
2177
2178 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2179
2180         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2181
2182 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2183
2184         PR driver/41594
2185         * gcc.c: Add -static-libstdc++ to list of recognized options.
2186
2187 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2188
2189         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2190
2191 2010-04-07  Richard Guenther  <rguenther@suse.de>
2192
2193         PR middle-end/42617
2194         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2195         bases build simple mem attributes to retain points-to information.
2196
2197 2010-04-07  Richard Guenther  <rguenther@suse.de>
2198
2199         PR middle-end/42617
2200         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2201         preserve points-to related information.
2202
2203 2010-04-07  Richard Guenther  <rguenther@suse.de>
2204
2205         PR middle-end/42617
2206         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2207         discard plain indirect references.
2208         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2209         * tree.c (tree_nop_conversion): Likewise.
2210
2211 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2212
2213         PR debug/43628
2214         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2215
2216 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2217
2218         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2219         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2220
2221 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * tree-if-conv.c: Fix indentation and comments.
2224
2225 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * tree-if-conv.c: Sort static functions in topological order.
2228
2229 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2230
2231         * tree-if-conv.c: Fix indentation and comments.
2232
2233 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2234
2235         PR middle-end/43519
2236         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2237         lang_hooks.types.type_for_size instead of
2238         build_nonstandard_integer_type.
2239         When converting an unsigned type to signed, double its precision.
2240         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2241         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2242         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2243         use lb <= ub.
2244
2245 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2246
2247         PR middle-end/43519
2248         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2249         POINTER_PLUS_EXPR for pointer types.
2250
2251 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         PR middle-end/43519
2254         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2255         * graphite-clast-to-gimple.c: Include langhooks.h.
2256         (max_signed_precision_type): New.
2257         (max_precision_type): Takes two types as arguments.
2258         (precision_for_value): New.
2259         (precision_for_interval): New.
2260         (gcc_type_for_interval): New.
2261         (gcc_type_for_value): New.
2262         (gcc_type_for_clast_term): New.
2263         (gcc_type_for_clast_red): New.
2264         (gcc_type_for_clast_bin): New.
2265         (gcc_type_for_clast_expr): Split up into several functions.
2266         (gcc_type_for_clast_eq): Rewritten.
2267         (compute_bounds_for_level): New.
2268         (compute_type_for_level_1): New.
2269         (compute_type_for_level): New.
2270         (gcc_type_for_cloog_iv): Removed.
2271         (gcc_type_for_iv_of_clast_loop): Rewritten.
2272         (graphite_create_new_loop): Compute the lower and upper bound types
2273         with gcc_type_for_clast_expr.
2274         (graphite_create_new_loop_guard): Same.
2275         (find_cloog_iv_in_expr): Removed.
2276         (compute_cloog_iv_types_1): Removed.
2277         (compute_cloog_iv_types): Removed.
2278         (gloog): Do not call compute_cloog_iv_types.
2279         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2280         GBB_CLOOG_IV_TYPES.
2281         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2282         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2283         (GBB_CLOOG_IV_TYPES): Removed.
2284
2285 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2286
2287         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2288         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2289         (detect_commutative_reduction): Same.
2290
2291 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2294         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2295         argument.
2296         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2297         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2298         (rewrite_commutative_reductions_out_of_ssa): Same.
2299         * passes.c (execute_function_todo): Call verify_ssa for every pass
2300         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2301         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2302         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2303         with an extra argument.
2304         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2305         verify_ssa only when the extra argument is true.
2306         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2307         with an extra argument.
2308         (tree_transform_and_unroll_loop): Same.
2309
2310 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2313         for all the passes of the LNO having LOOP_CLOSED_SSA.
2314         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2315         * tree-loop-distribution.c (pass_loop_distribution): Same.
2316         * tree-pass.h (TODO_verify_loops): Removed.
2317         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2318         (pass_lim): Same.
2319         (pass_tree_unswitch): Same.
2320         (pass_predcom): Same.
2321         (pass_vectorize): Same.
2322         (pass_linear_transform): Same.
2323         (pass_graphite_transforms): Same.
2324         (pass_iv_canon): Same.
2325         (pass_complete_unroll): Same.
2326         (pass_complete_unrolli): Same.
2327         (pass_parallelize_loops): Same.
2328         (pass_loop_prefetch): Same.
2329         (pass_iv_optimize): Same.
2330
2331 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2332
2333         PR middle-end/32824
2334         * passes.c (init_optimization_passes): Move pass_lim before
2335         pass_copy_prop and pass_dce_loop.
2336
2337 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2338
2339         PR target/43667
2340         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2341         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2342         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2343         MULTI_* defines for 4 argument vpermil2p* builtins.
2344
2345 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2346
2347         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2348         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2349         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2350         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2351         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2352         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2353         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2354         Use x86_maybe_negate_const_int to output insn mnemonic.
2355         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2356         check from instruction predicate.  Update comments.
2357         * config/i386/sync.md (sync_add<mode>): Use
2358         x86_maybe_negate_const_int to output insn mnemonic.
2359
2360 2010-04-06  Jan Hubicka  <jh@suse.cz>
2361
2362         PR tree-optimization/42906
2363         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2364         IGNORE_SELF argument.  Set visited_control_parents for fully
2365         processed BBs.
2366         (find_obviously_necessary_stmts): Update call of
2367         mark_control_dependent_edges_necessary.
2368         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2369
2370 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2371
2372         * config/i386/i386.md: Remove comment about 'e' and 'E'
2373         operand modifier.
2374
2375 2010-04-06  Richard Guenther  <rguenther@suse.de>
2376
2377         PR tree-optimization/43627
2378         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2379         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2380         not varying.
2381
2382 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2383
2384         * BASE-VER: Change to 4.6.0.
2385
2386         PR target/43638
2387         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2388         handling.
2389
2390 2010-04-06  Richard Guenther  <rguenther@suse.de>
2391
2392         PR middle-end/43661
2393         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2394
2395 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2396
2397         * doc/invoke.texi (Optimize Options): Document that LTO
2398         won't remove object access purely due to incompatible
2399         declarations.
2400
2401 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2402
2403         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2404         Initialize variable.
2405
2406 2010-04-03  Richard Guenther  <rguenther@suse.de>
2407
2408         PR middle-end/42509
2409         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2410         require a non-NULL MEM_OFFSET.
2411
2412 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2413
2414         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2415         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2416         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2417         config/alpha/predicates.md, config/arm/arm.md,
2418         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2419         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2420         config/darwin9.h, config/darwin.c, config/darwin.h,
2421         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2422         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2423         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2424         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2425         config/mips/mips.md, config/mn10300/mn10300.c,
2426         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2427         config/rs6000/aix.h, config/rs6000/dfp.md,
2428         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2429         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2430         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2431         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2432         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2433         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2434         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2435         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2436         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2437         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2438         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2439         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2440         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2441         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2442         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2443         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2444         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2445         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2446         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2447         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2448         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2449         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2450         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2451         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2452         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2453         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2454         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2455         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2456         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2457         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2458         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2459         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2460         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2461         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2462         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2463         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2464
2465 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2466
2467         PR other/43620
2468         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2469         * aclocal.m4: Regenerate.
2470
2471 2010-04-02  Richard Guenther  <rguenther@suse.de>
2472
2473         PR tree-optimization/43629
2474         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2475         if we have seen a constant value.
2476
2477 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2478
2479         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2480
2481 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2482
2483         PR target/43469
2484         * arm.c (legitimize_tls_address): Adjust call to
2485         gen_tls_load_dot_plus_four.
2486         (arm_note_pic_base): New function.
2487         (arm_cannot_copy_insn_p): Use it.
2488         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2489         constraint.
2490
2491 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2492
2493         PR bootstrap/43531
2494
2495         Revert:
2496         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2497
2498         * Makefile.in ($(out_object_file)): Depend on
2499         gt-$(basename $(notdir $(out_file))).h.
2500
2501 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2502
2503         * config.gcc (lm32-*-rtems*): Add t-lm32.
2504
2505 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2506
2507         * config.gcc: Add lm32-*-rtems*.
2508         * config/lm32/rtems.h: New file.
2509
2510 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2511
2512         PR target/42609
2513         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2514
2515 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2516
2517         * dwarf2out.c (output_compilation_unit_header): For
2518         -gdwarf-4 use version 4 instead of version 3.
2519         (output_line_info): For version 4 and above emit additional
2520         maximum ops per insn header field.
2521         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2522
2523         * dwarf2out.c (is_c_family, is_java): Remove.
2524         (lower_bound_default): New function.
2525         (add_bound_info, gen_descr_array_type_die): Use it.
2526
2527 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2528
2529         PR debug/43325
2530         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2531         re-declaration when it happens in a function.
2532
2533 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2534
2535         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2536         (cgraph_remove_function_insertion_hook): Same.
2537         (cgraph_call_function_insertion_hooks): Same.
2538
2539 2010-04-01  Richard Guenther  <rguenther@suse.de>
2540
2541         PR middle-end/43614
2542         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2543         and TREE_THIS_VOLATILE.
2544         (copy_ref_info): Likewise.
2545         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2546         * tree.c (build6_stat): Ignore side-effects of all but arg5
2547         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2548         TARGET_MEM_REF.
2549
2550 2010-04-01  Richard Guenther  <rguenther@suse.de>
2551
2552         PR tree-optimization/43607
2553         * ipa-type-escape.c (check_call): Do not access non-existing
2554         arguments.
2555
2556 2010-04-01  Richard Guenther  <rguenther@suse.de>
2557
2558         PR middle-end/43602
2559         Revert
2560         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2561                     Jack Howarth <howarth@bromo.med.uc.edu>
2562
2563         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2564         variables TLS.
2565
2566 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2567
2568         * doc/install.texi (Prerequisites): Document libelf usability on
2569         IRIX 5/6 and Solaris 2.
2570         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2571         Update GNU as, GNU ld requirements.
2572         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2573         Document Sun Studio compiler download.
2574         Update and simplify as, ld recommendations.
2575         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2576
2577 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2578
2579         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2580         with_tune_32 to pentium4.
2581
2582 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2583
2584         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2585
2586 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2587
2588         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2589         obsoletion, removal.
2590         Update IDO URL.
2591         Document GNU as requirement.
2592         Update configure requirements.
2593         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2594         Recomment IRIX 6.5.18+.
2595         Document IDF/IDL requirement.
2596         Document GNU as requirement.
2597         Document GNU ld bootstrap failure.
2598         Remove freeware.sgi.com reference.
2599
2600 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2601
2602         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2603         UNIX V4.0, V5.0 obsoletion, removal.
2604         Remove --with-gc=simple reference.
2605         Update VM requirements during bootstrap.
2606         Remove -oldas bootstrap description.
2607         Update binutils reference.
2608         Remove comparison failure note.
2609
2610 2010-03-31  Richard Guenther  <rguenther@suse.de>
2611             Zdenek Dvorak  <ook@ucw.cz>
2612             Sebastian Pop  <sebastian.pop@amd.com>
2613
2614         PR middle-end/43464
2615         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2616         with multiple arguments.
2617         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2618
2619 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2620
2621         * graphite-dependences.c (print_pddr): Call print_pdr with an
2622         extra argument.
2623         * graphite-poly.c (debug_pdr): Add an extra argument for the
2624         verbosity level.
2625         (print_pdr): Same.
2626         (print_pbb_domain): Same.
2627         (print_pbb): Same.
2628         (print_scop_context): Same.
2629         (print_scop): Same.
2630         (print_cloog): Same.
2631         (debug_pbb_domain): Same.
2632         (debug_pbb): Same.
2633         (print_pdrs): Same.
2634         (debug_pdrs): Same.
2635         (debug_scop_context): Same.
2636         (debug_scop): Same.
2637         (debug_cloog): Same.
2638         (print_scop_params): Same.
2639         (debug_scop_params): Same.
2640         (print_iteration_domain): Same.
2641         (print_iteration_domains): Same.
2642         (debug_iteration_domain): Same.
2643         (debug_iteration_domains): Same.
2644         (print_scattering_function): Same.
2645         (print_scattering_functions): Same.
2646         (debug_scattering_function): Same.
2647         (debug_scattering_functions): Same.
2648         * graphite-poly.h (debug_pdr): Update declaration.
2649         (print_pdr): Same.
2650         (print_pbb_domain): Same.
2651         (print_pbb): Same.
2652         (print_scop_context): Same.
2653         (print_scop): Same.
2654         (print_cloog): Same.
2655         (debug_pbb_domain): Same.
2656         (debug_pbb): Same.
2657         (print_pdrs): Same.
2658         (debug_pdrs): Same.
2659         (debug_scop_context): Same.
2660         (debug_scop): Same.
2661         (debug_cloog): Same.
2662         (print_scop_params): Same.
2663         (debug_scop_params): Same.
2664         (print_iteration_domain): Same.
2665         (print_iteration_domains): Same.
2666         (debug_iteration_domain): Same.
2667         (debug_iteration_domains): Same.
2668         (print_scattering_function): Same.
2669         (print_scattering_functions): Same.
2670         (debug_scattering_function): Same.
2671         (debug_scattering_functions): Same.
2672
2673 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2674
2675         * graphite-poly.c (print_scattering_function_1): New.
2676         (print_scattering_function): Call it.
2677         (print_scop_params): Remove spaces at the end of lines.
2678         (print_cloog): New.
2679         (debug_cloog): New.
2680         * graphite-poly.h (print_cloog): Declared.
2681         (debug_cloog): Declared.
2682
2683 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2686         in loop->header.
2687         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2688         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2689         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2690         to switch between adding the IV bump in loop->latch or in loop->header.
2691
2692 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2693
2694         * graphite-poly.c (print_scattering_function): Pretty print following
2695         the scoplib format.
2696         (print_pdr): Same.
2697         (print_pbb_domain): Same.
2698         (dump_gbb_cases): Same.
2699         (dump_gbb_conditions): Same.
2700         (print_pdrs): Same.
2701         (print_pbb): Same.
2702         (print_scop_params): Same.
2703         (print_scop_context): Same.
2704         (print_scop): Same.
2705         (print_pbb_body): New.
2706         (lst_indent_to): New.
2707         (print_lst): Start new lines with a #.
2708         * graphite-poly.h (pbb_bb): New.
2709         (pbb_index): Use pbb_bb.
2710         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2711         disjuncts.
2712         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2713
2714 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2715
2716         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2717         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2718         and 0 instead of 1 for dw_val_class_flag.
2719         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2720         dw_val_class_range_list, dw_val_class_loc_list,
2721         dw_val_class_lineptr and dw_val_class_macptr, use
2722         DW_FORM_flag_present for dw_val_class_flag and
2723         DW_FORM_exprloc for dw_val_class_loc.
2724         (output_die): For -gdwarf-4 print dw_val_class_loc
2725         size as uleb128 instead of 1 or 2 bytes and don't print
2726         anything for dw_val_class_flag.
2727
2728         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2729         instead of cselib_lookup following by tweaking locs->setting_insn.
2730
2731         PR bootstrap/43596
2732         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2733         even before returning from label, setjmp call or volatile asm
2734         handling.
2735
2736 2010-03-31  Richard Guenther  <rguenther@suse.de>
2737
2738         PR middle-end/43600
2739         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2740         temporary data on stack.
2741
2742 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2743
2744         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2745         (PUSHSECTION_ASM_OP): Remove.
2746         (POPSECTION_ASM_OP): Remove.
2747         (PUSHSECTION_FORMAT): Remove.
2748         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2749         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2750         * config/sol2.c (solaris_output_init_fini): Use it.
2751
2752 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2753
2754         PR 43574
2755         * opt-functions.awk (var_type_struct): Use signed char type
2756         for simple variables.
2757
2758 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2759
2760         * config/sol2.c: Include output.h.
2761         (solaris_assemble_visibility): New function.
2762         * config/t-sol2 (sol2.o): Add output.h dependency.
2763         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2764         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2765         Redefine.
2766
2767 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR target/43580
2770         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2771         V2SImode or XFmode on PRE_DEC.
2772
2773         PR debug/43557
2774         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2775         BLKmode.
2776
2777 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2778
2779         PR 43562
2780         * reload.h (caller_save_initialized_p): Declare.
2781         * toplev.c (backend_init_target): Don't call
2782         init_caller_save but set caller_save_initialized_p to false.
2783         * caller-save.c (caller_save_initialized_p): Define.
2784         (init_caller_save): Check caller_save_initialized_p.
2785         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2786
2787 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2788
2789         PR target/39048
2790         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2791         and soft-fp/t-softfp to tmake_file.
2792         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2793         (LIBGCC2_TF_CEXT): Define.
2794         (TF_SIZE): Define.
2795
2796 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2797
2798         PR debug/42977
2799         * cselib.c (n_useless_values): Document handling of debug locs.
2800         (n_useless_debug_values, n_debug_values): New variables.
2801         (new_elt_loc_list): Don't add to debug values, keep count.
2802         (promote_debug_loc): New.
2803         (cselib_reset_table): Zero new variables.
2804         (entry_and_rtx_equal_p): Promote debug locs.
2805         (discard_useless_locs): Increment n_useless_debug_values for
2806         debug values.
2807         (remove_useless_values): Adjust n_useless_values and n_debug_values
2808         with n_useless_debug_values.
2809         (add_mem_for_addr): Promote debug locs.
2810         (cselib_lookup_mem): Likewise.
2811         (cselib_lookup_addr): Renamed to...
2812         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2813         (cselib_log_lookup): ... this.  Turn into...
2814         (cselib_lookup_addr): ... new wrapper.
2815         (cselib_lookup_from_insn): New.
2816         (cselib_invalidate_regno): Increment n_useless_debug_values for
2817         debug values.
2818         (cselib_invalidate_mem): Likewise.
2819         (cselib_process_insn): Take n_deleted and n_debug_values into
2820         account to guard remove_useless_value call.
2821         (cselib_finish): Zero n_useless_debug_values.
2822         * cselib.h (cselib_lookup_from_insn): Declare.
2823         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2824         (sched_analyze_2): Likewise.
2825
2826 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2827
2828         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2829         functions.
2830         (adjust_mems): Replace narrowing SUBREG of expression containing
2831         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2832         with operations in the narrower mode.
2833
2834         PR debug/43593
2835         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2836         regs_invalidated_by_call instead all call_used_reg_set registers.
2837
2838 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2839
2840         PR middle-end/43430
2841         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2842         pointer comparisons with types_compatible_p.
2843         * tree-vect-stmts.c (vectorizable_call): Same.
2844         (vectorizable_condition): Same.
2845
2846 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2847
2848         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2849         stack check if the mask would be zero.
2850
2851 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2852             Jack Howarth <howarth@bromo.med.uc.edu>
2853
2854         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2855         variables TLS.
2856
2857 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2858
2859         PR other/25232
2860         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2861         and __unordtf2.
2862         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2863         Include ___unordxf2 and ___unordtf2.
2864         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2865         GCC_4.4.0 here.
2866
2867 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2868
2869         * config/lm32/t-lm32: New file.
2870         * config.gcc: Use the above file when targetting lm32.
2871
2872 2010-03-28  Duncan Sands  <baldrick@free.fr>
2873
2874         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2875
2876 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2877
2878         PR middle-end/43431
2879         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2880         Improve vectorization cost model diagnostic.
2881
2882 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2883
2884         PR middle-end/43436
2885         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2886         compute_data_dependences_for_loop returns false, early exit
2887         and output an extra diagnostic for the failed data reference
2888         analysis.
2889
2890 2010-03-29  Richard Guenther  <rguenther@suse.de>
2891
2892         PR tree-optimization/43560
2893         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2894         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2895
2896 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2897
2898         PR 43564
2899         * toplev.c (process_options): Set optimization_default_node
2900         and optimization_current_node.
2901         * opts.c (decode_options): Don't set optimization_default_node
2902         and optimization_current_node.
2903
2904 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2905
2906         * config/rtems.h: Abandon -qrtems_debug.
2907
2908 2010-03-28  Jan Hubicka  <jh@suse.cz>
2909
2910         PR tree-optimization/43505
2911         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2912         map should not be copied.
2913
2914 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2915
2916         PR middle-end/41674
2917         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2918         cdtors, set DECL_PRESERVE_P.
2919         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2920         should be preseved.
2921
2922 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2923
2924         PR tree-optimization/43528
2925         * stor-layout.c (place_field): Check that constant fits into
2926         unsigned HWI when skipping calculation of MS bitfield layout.
2927
2928 2010-03-27  Jan Hubicka  <jh@suse.cz>
2929
2930         PR middle-end/43391
2931         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2932         notice_global_symbol work.
2933
2934 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2935
2936         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2937         instead of dwarf2out_decl.
2938         (struct var_loc_node): Remove section_label field.
2939         (dwarf2out_function_decl): New function.
2940         (dwarf2out_var_location): Don't set section_label field.
2941         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2942
2943 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2944
2945         PR tree-optimization/43544
2946         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2947         First argument for builtin vectorized function hook is now a
2948         tree to be able to distinguish between machine specific and
2949         standard builtins.
2950         * targhooks.c (default_builtin_vectorized_function): Ditto.
2951         * targhooks.h (default_builtin_vectorized_function): Ditto.
2952         * target.h (struct gcc_target): Ditto.
2953         * tree-vect-stmts.c (vectorizable_function): Ditto.
2954         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2955         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2956         Ditto.
2957
2958 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2959
2960         PR c/43381
2961         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2962         nested binding iff it is a FUNCTION_DECL.
2963         (store_parm_decls_newstyle): Pass nested=true to bind for
2964         FUNCTION_DECLs amongst parameters.
2965
2966 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2967
2968         * var-tracking.c (vt_expand_loc_callback): Don't run
2969         cselib_expand_value_rtx_cb in dummy mode if
2970         cselib_dummy_expand_value_rtx_cb returned false.
2971
2972         * var-tracking.c (emit_note_insn_var_location): For one part
2973         notes with offset 0, don't add EXPR_LIST around the location.
2974         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2975         add_location_or_const_value_attribute): Adjust for that change.
2976
2977         PR debug/43540
2978         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2979         into first operand and location into second.
2980         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2981         dw_cfi_oprnd_loc for DW_CFA_expression.
2982         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2983         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2984         assume first argument is regnum and second argument is location.
2985
2986 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2987
2988         PR target/42113
2989         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2990         of scratch register to DImode.  Split to DImode comparison operator.
2991         Use SImode subreg of scratch register in the multiplication.
2992         (*cmp_sadd_sidi): Ditto.
2993         (*cmp_ssub_si): Ditto.
2994         (*cmp_ssub_sidi): Ditto.
2995
2996 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2997
2998         PR target/43524
2999         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3000         Remove invalid assert and wrong comment.
3001
3002 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3003
3004         PR debug/43516
3005         * flags.h (final_insns_dump_p): New extern.
3006         * final.c (final_insns_dump_p): New variable.
3007         (rest_of_clean_state): Set it before -fdump-final-insns=
3008         dumping, clear afterwards.
3009         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3010         MEM_ALIAS_SET on MEMs.
3011
3012 2010-03-26  David S. Miller  <davem@davemloft.net>
3013
3014         * configure.ac: Fix sparc GOTDATA_OP bug check.
3015         * configure: Rebuild.
3016
3017 2010-03-26  Alan Modra  <amodra@gmail.com>
3018
3019         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3020
3021 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3022
3023         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3024         TLS_SECTION_ASM_FLAG.
3025
3026 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3027
3028         PR bootstrap/43511
3029         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3030         Clear first_function_block_is_cold.
3031
3032         PR c/43385
3033         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3034         argument if the argument is truth_value_p.
3035
3036 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3037
3038         * config/rs6000/constraints.md: Update copyright year for my changes.
3039
3040         PR target/43484
3041         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3042         used in reg+reg addressing, swap registers.
3043
3044 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR debug/43293
3047         * target.h (struct gcc_target): Add code_end hook.
3048         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3049         if not yet defined.
3050         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3051         * toplev.c (compile_file): Call targetm.asm_out.code_end
3052         hook before unwind info/debug info output.
3053         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3054         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3055         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3056         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3057         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3058         * config/i386/i386.c (ix86_file_end): Renamed to...
3059         (ix86_code_end): ... this.  Make static.  Don't call
3060         file_end_indicate_exec_stack.  Emit unwind info using
3061         final_start_function/final_end_function.
3062         (darwin_x86_file_end): Remove.
3063         (TARGET_ASM_CODE_END): Define.
3064         * config/i386/i386.h (TARGET_ASM_FILE_END,
3065         NEED_INDICATE_EXEC_STACK): Don't define.
3066         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3067         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3068         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3069         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3070
3071         PR target/43498
3072         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3073         at the beginning and final_end_function at the end.
3074         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3075
3076 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3077
3078         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3079         and Sun as TLS syntax.
3080         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3081         * configure: Regenerate.
3082         * config.in: Regenerate.
3083         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3084         (default_elf_asm_named_section): Use it.
3085         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3086         (i386_output_dwarf_dtprel): Likewise.
3087         (output_addr_const_extra): Likewise.
3088         (output_pic_addr_const): Lowercase @GOTTPOFF.
3089         (output_addr_const_extra): Likewise.
3090         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3091         (output_addr_const_extra): Likewise.
3092         (output_pic_addr_const): Lowercase @INDNTPOFF.
3093         (output_addr_const_extra): Likewise.
3094         (output_pic_addr_const): Lowercase @NTPOFF.
3095         (output_addr_const_extra): Likewise.
3096         (output_pic_addr_const): Lowercase @TPOFF.
3097         (output_addr_const_extra): Likewise.
3098         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3099         (*tls_global_dynamic_64): Likewise.
3100         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3101         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3102
3103         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3104         (ASM_OUTPUT_TLS_COMMON): Use it.
3105         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3106
3107         PR target/38118
3108         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3109         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3110         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3111         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3112         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3113         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3114
3115 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3116
3117         * config/i386/i386.c (override_options): Don't accept
3118         -mtls-dialect=sun any longer.
3119         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3120         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3121         (*tls_local_dynamic_base_32_sun): Likewise.
3122         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3123
3124 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3125
3126         PR debug/43508
3127         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3128         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3129
3130         PR debug/43479
3131         * ira.c (adjust_cleared_regs): New function.
3132         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3133
3134         PR debug/19192
3135         PR debug/43479
3136         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3137         from gimple_block.
3138         * expr.c (expand_expr_real): Restore previous
3139         curr_insn_source_location and curr_insn_block after
3140         expand_expr_real_1 call.
3141         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3142         instead of expand_expr_real_1.
3143
3144 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3145
3146         PR rtl-optimization/43413
3147         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3148         hard regs too.
3149
3150 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3151
3152         PR target/43348
3153         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3154         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3155
3156 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3157
3158         * config/i386/i386.c (ix86_target_string): Add -mfma.
3159         Fix a typo in comment.
3160
3161 2010-03-22  Mike Stump  <mikestump@comcast.net>
3162
3163         PR target/23071
3164         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3165         Don't overly align based upon packed packed fields.
3166
3167 2010-03-22  Jason Merrill  <jason@redhat.com>
3168
3169         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3170         Use () rather than [], and move before the element type.
3171
3172 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3173
3174         * doc/configfiles.texi (Configuration Files): Removed
3175         fixinc/Makefile*, intl/Makefile.*.
3176         * doc/makefile.texi: Fixed markup. Abstract from version
3177         control system used.
3178         (Makefile): Removed obsolete gcc/java/parse.y example.
3179         * doc/sourcebuild.texi: Likewise.
3180         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3181         libgomp, libssp.  Removed fastjar.
3182         (Miscellaneous Docs): Clarify location.
3183         Added COPYING3, COPYING3.LIB.
3184         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3185
3186 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3187
3188         PR target/38085
3189         * config/i386/i386.c (x86_function_profiler)
3190         [!NO_PROFILE_COUNTERS]: Fix typo.
3191         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3192         instead of callq.
3193
3194 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3195             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3196
3197         * doc/sourcebuild.texi (Test Directives): Split into six
3198         subsections, with most of the current text in new subsections
3199         Directives, Selectors, and Final Actions.
3200         (Directives): Split list of test directives into multiple
3201         subsubsections.
3202         (Selectors): Describe use and syntax of selectors.
3203         (Effective-Target Keywords): Describe all existing keywords.
3204         (Add Options): Describe features for dg-add-options.
3205         (Require Support): Describe variants of dg-require-support.
3206         (Final Actions): Describe commands to use in dg-final.
3207
3208 2010-03-22  Michael Matz  <matz@suse.de>
3209
3210         PR middle-end/43475
3211         * recog.c (validate_replace_rtx_group): Replace also in
3212         REG_EQUAL and REG_EQUIV notes.
3213
3214 2010-03-22  Richard Guenther  <rguenther@suse.de>
3215
3216         PR tree-optimization/43390
3217         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3218         sure vector extracts are type correct.
3219
3220 2010-03-22  Richard Guenther  <rguenther@suse.de>
3221
3222         PR middle-end/40106
3223         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3224         x * sqrt (x) even when optimizing for size if the target
3225         has native support for sqrt.
3226
3227 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3228
3229         * varasm.c (make_decl_rtl_for_debug): Also clear
3230         flag_mudflap for the duration of make_decl_rtl call.
3231
3232         PR debug/43443
3233         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3234         locs from preserved VALUEs.
3235
3236 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3237
3238         PR middle-end/42718
3239         * pa.md (movmemsi): Set align to one if zero.
3240         (movmemdi): Likewise.
3241
3242 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3243
3244         PR target/42321
3245         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3246         with their corresponding prologue pushes.
3247
3248 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3249
3250         PR target/43156
3251         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3252         at the begining or end.
3253         (spu_expand_epilogue): Likewise.
3254
3255 2010-03-20  Richard Guenther  <rguenther@suse.de>
3256
3257         PR rtl-optimization/43438
3258         * combine.c (make_extraction): Properly zero-/sign-extend an
3259         extraction of the low part of a CONST_INT.  Also handle
3260         CONST_DOUBLE.
3261
3262 2010-03-19  Mike Stump  <mikestump@comcast.net>
3263
3264         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3265         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3266         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3267
3268 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3269
3270         PR c/43211
3271         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3272         an error.
3273
3274 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3275
3276         PR rtl-optimization/42258
3277         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3278         use that may match DEF.
3279
3280         PR target/40697
3281         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3282         the cost of loading the constant rather than assuming
3283         COSTS_N_INSNS (1).
3284         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3285         outer code is AND, do the same tests as the andsi3 expander and
3286         return COSTS_N_INSNS (1) if and is cheap.
3287
3288         * optabs.c (avoid_expensive_constant): Fix formatting.
3289
3290 2010-03-19  Michael Matz  <matz@suse.de>
3291
3292         PR c++/43116
3293         * attribs.c (decl_attributes): When rebuilding a function pointer
3294         type use the same qualifiers as the original pointer type.
3295
3296 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3297
3298         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3299         and is_gimple_ip_invariant_address.
3300
3301 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3302
3303         Revert
3304         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3305
3306         * config/arm/arm.c (arm_override_options): Turn off
3307         flag_dwarf2_cfi_asm for AAPCS variants.
3308
3309 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3310
3311         PR target/43399
3312         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3313         Use PRE_MODIFY instead of PRE_DEC.
3314         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3315         (vfp_emit_fstmd): Likewise.
3316
3317 2010-03-19  Michael Matz  <matz@suse.de>
3318
3319         PR target/43305
3320         * builtins.c (expand_builtin_interclass_mathfn,
3321         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3322         if that fails.
3323
3324 2010-03-19  Richard Guenther  <rguenther@suse.de>
3325
3326         PR tree-optimization/43415
3327         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3328         (phi_translate_1): ... this.
3329         (phi_translate): Move all caching here.  Cache all NARY
3330         and REFERENCE translations.
3331
3332 2010-03-19  David S. Miller  <davem@davemloft.net>
3333
3334         With help from Eric Botcazou.
3335         * config/sparc/sparc.c: Include dwarf2out.h.
3336         (emit_pic_helper): Delete.
3337         (pic_helper_symbol_name): Delete.
3338         (pic_helper_emitted_p): Delete.
3339         (pic_helper_needed): New.
3340         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3341         (get_pc_thunk_name): New.
3342         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3343         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3344         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3345         (sparc_expand_prologue): Update load_pic_register call.
3346         (sparc_output_mi_thunk): Likewise.
3347         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3348         thunk if possible.  Output CFI information as needed.
3349
3350 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3351             Jack Howarth <howarth@bromo.med.uc.edu>
3352
3353         PR target/36399
3354         * config/i386/i386.h: Fix ABI on darwin x86-32.
3355
3356 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3357
3358         * tree.h: Declare make_decl_rtl_for_debug.
3359         * varasm.c (make_decl_rtl_for_debug): New.
3360         * dwarf2out.c (rtl_for_decl_location): Call it.
3361         * cfgexpand.c (expand_debug_expr): Call it.
3362
3363 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3364
3365         PR bootstrap/43399
3366         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3367         mem_mode.
3368
3369         PR bootstrap/43403
3370         * var-tracking.c (vt_init_cfa_base): Do nothing if
3371         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3372
3373 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3374
3375         PR debug/42873
3376         * var-tracking.c (canonicalize_vars_star): New.
3377         (dataflow_post_merge_adjust): Use it.
3378
3379 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3380
3381         PR debug/43058
3382         * var-tracking.c (non_suitable_const): New function.
3383         (add_uses): For DEBUG_INSNs with constants, don't record any
3384         value, instead just the constant value itself.
3385         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3386         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3387         (emit_notes_in_bb): Likewise.
3388         (emit_note_insn_var_location): For onepart variables if
3389         cur_loc is a VOIDmode constant, use DECL_MODE.
3390
3391 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3392
3393         PR middle-end/42450
3394         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3395         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3396         all non-clones.  Moved call redirection...
3397         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3398         (cgraph_materialize_all_clones): Dispose of all
3399         combined_args_to_skip bitmaps.
3400         (verify_cgraph_node): Do not check for edges pointing to wrong
3401         nodes in inline clones.
3402         * tree-inline.c (copy_bb): Call
3403         cgraph_redirect_edge_call_stmt_to_callee.
3404         * ipa.c (cgraph_remove_unreachable_nodes): Call
3405         cgraph_node_remove_callees even when there are used clones.
3406
3407 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3408
3409         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3410
3411 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3412
3413         PR target/43383
3414         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3415         for 32bit.
3416
3417 2010-03-18  Michael Matz  <matz@suse.de>
3418
3419         PR middle-end/43419
3420         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3421         into sqrt(x) if we need to preserve signed zeros.
3422
3423 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3424             Eric Botcazou  <ebotcazou@adacore.com>
3425
3426         PR rtl-optimization/43360
3427         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3428         note if we don't know its invariant status.
3429
3430 2010-03-18  Michael Matz  <matz@suse.de>
3431
3432         PR tree-optimization/43402
3433         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3434         PHI chains of ssa names registered for update.
3435
3436 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3437
3438         PR target/42427
3439         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3440         non-offsettable and pre_modify update addressing.
3441         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3442         and "2" alternatives "#".
3443         (*movdd_softfloat32): Make all alternatives "#";
3444         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3445         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3446         (*movdf_softfloat32): Make all alternatives "#";
3447         (movdi): Use the new DIFD mode iterator to create a common splitter
3448         for movdi, movdf and movdd patterns.