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* gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
4         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
5         of shadowing it.  Fix comments.
6
7 2010-04-26  Jan Hubicka  <jh@suse.cz>
8
9         * cgraph.c (cgraph_create_node): Set node frequency to normal.
10         (cgraph_clone_node): Copy function frequency.
11         * cgraph.h (node_frequency): New enum
12         (struct cgraph_node): Add.
13         * final.c (rest_of_clean_state): Update.
14         * lto-cgraph.c (lto_output_node): Output node frequency.
15         (input_overwrite_node): Input node frequency.
16         * tre-ssa-loop-ivopts (computation_cost): Update.
17         * lto-streamer-out.c (output_function): Do not output function
18         frequency.
19         * predict.c (maybe_hot_frequency_p): Update and handle functions
20         executed once.
21         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
22         attribute lookup.
23         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
24         (compute_function_frequency): Set noreturn functions to be executed
25         once.
26         (choose_function_section): Update.
27         * lto-streamer-in.c (input_function): Do not input function frequency.
28         * function.c (allocate_struct_function): Do not initialize function
29         frequency.
30         * function.h (function_frequency): Remove.
31         (struct function): Remove function frequency.
32         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
33         (try_update): Update.
34         * tree-inline.c (initialize_cfun): Do not update function frequency.
35         * passes.c (pass_init_dump_file): Update.
36         * i386.c (ix86_compute_frame_layout): Update.
37         (ix86_pad_returns): Update.
38
39 2010-04-26  Jie Zhang  <jie@codesourcery.com>
40
41         PR tree-optimization/43833
42         * tree-vrp.c (range_int_cst_p): New.
43         (range_int_cst_singleton_p): New.
44         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
45         when both operands are constants.  Use range_int_cst_p in
46         BIT_IOR_EXPR case.
47
48 2010-04-26  Jan Hubicka  <jh@suse.cz>
49
50         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
51
52 2010-04-26  Richard Guenther  <rguenther@suse.de>
53
54         PR lto/43080
55         * gimple.c (gimple_decl_printable_name): Deal gracefully
56         with a NULL DECL_NAME.
57
58 2010-04-26  Richard Guenther  <rguenther@suse.de>
59
60         PR lto/42425
61         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
62         if emitting debug information and it is either a function
63         or a namespace decl.
64
65 2010-04-26  Ira Rosen  <irar@il.ibm.com>
66
67         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to 
68         determine if the statement is vectorizable, and a macro to 
69         access it.
70         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): 
71         Skip statements that can't be vectorized. If the analysis 
72         fails, mark the statement as unvectorizable if vectorizing 
73         basic block.
74         (vect_compute_data_refs_alignment): Likewise.
75         (vect_verify_datarefs_alignment): Skip statements marked as 
76         unvectorizable. Add print.
77         (vect_analyze_group_access): Skip statements that can't be 
78         vectorized. If the analysis fails, mark the statement as 
79         unvectorizable if vectorizing basic block.
80         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): 
81         Likewise.
82         * tree-vect-stmts.c (vectorizable_store): Fix the number of 
83         generated stmts for SLP.
84         (new_stmt_vec_info): Initialize the new field.
85         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize 
86         statements marked as unvectorizable.
87
88 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
89
90         * c-common.c (flag_isoc1x): New.
91         (flag_isoc99): Update comment.
92         * c-common.h (flag_isoc1x): New.
93         (flag_isoc99): Update comment.
94         * c-cppbuiltin.c (builtin_define_float_constants): Also define
95         __<type>_DECIMAL_DIG__.
96         * c-opts.c (set_std_c1x): New.
97         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
98         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
99         * c.opt (-std=c1x, -std=gnu1x): New options.
100         * doc/cpp.texi: Mention -std=c1x.
101         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
102         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
103         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
104         * doc/standards.texi: Mention C1X.
105         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
106         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
107         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
108         Define for C1X.
109
110 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
111
112         * config/i386/gmon-sol2.c (_mcleanup): Change format string
113         placeholder from 0x%x to %#x.
114         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
115         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
116         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
117         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
118         * config/i386/i386.c (ix86_target_string): Ditto.
119         (output_pic_addr_const): Ditto.
120         (print_operand): Ditto.
121
122 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
123
124         * combine.c (find_split_point): Add third argument.  Use it
125         to find nested multiply-accumulate instructions.  Adjust calls.
126         (try_combine): Adjust call to find_split_point.
127
128 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
129
130         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
131
132 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
133
134         PR tree-optimization/41442
135         * fold-const.c (merge_truthop_with_opposite_arm): New function.
136         (fold_binary_loc): Call it.
137
138 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
139
140         * toplev.c (general_init): Set default for fdiagnostics-show-option.
141         * opts.c (common_handle_option): Allow disabling it.
142         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
143
144 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
145
146         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
147         between modes if both types are integral.
148
149 2010-04-23  Richard Guenther  <rguenther@suse.de>
150
151         PR tree-optimization/43572
152         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
153
154 2010-04-23  Richard Guenther  <rguenther@suse.de>
155
156         PR lto/43455
157         * tree-inline.c (tree_can_inline_p): Also check compatibility
158         of return types.
159
160 2010-04-23  Martin Jambor  <mjambor@suse.cz>
161
162         PR tree-optimization/43846
163         * tree-sra.c (struct access): New flag grp_assignment_read.
164         (build_accesses_from_assign): Set grp_assignment_read.
165         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
166         (enum mark_read_status): New type.
167         (analyze_access_subtree): Propagate grp_assignment_read, create
168         accesses also if both direct_read and root->grp_assignment_read.
169
170 2010-04-23  Martin Jambor  <mjambor@suse.cz>
171
172         PR middle-end/43835
173         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
174         function does not have type attributes.
175
176 2010-04-23  Richard Guenther  <rguenther@suse.de>
177
178         PR lto/42653
179         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
180         of FUNCTION_DECLs.
181
182 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
183
184         * sese.h (create_if_region_on_edge): Remove.
185
186         * sese.c (create_if_region_on_edge): Make static.
187
188         * tree-inline.c: Do not include ggc.h.
189
190         * expr.c: Do not include ggc.h.
191
192         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
193         dependencies.
194
195 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
196
197         PR target/43744
198         * config/sh/sh.c (find_barrier): Don't emit a constant pool
199         in the middle of insns for casesi_worker_2.
200
201 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
202
203         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
204
205 2010-04-22  Ira Rosen  <irar@il.ibm.com>
206
207         PR tree-optimization/43842
208         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
209         loop unrolling in update of exit phis. Fix comment.
210         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
211         least two reduction statements in the loop before starting SLP
212         analysis.
213
214 2010-04-22  Nick Clifton  <nickc@redhat.com>
215
216         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
217
218 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
219
220         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
221         to simplify a + ~a.
222
223 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
224
225         * tree-parloops.c (loop_parallel_p): New argument
226         parloop_obstack.  Pass it down.
227         (parallelize_loops): New variable parloop_obstack.  Initialize it,
228         pass it down, free it.
229
230         * tree-loop-linear.c (linear_transform_loops): Pass down
231         lambda_obstack.
232
233         * tree-data-ref.h (lambda_compute_access_matrices): New argument
234         of type struct obstack *.
235
236         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
237         scratch_obstack.  Initialize it, pass down, free it.
238
239         * lambda.h (lambda_loop_new): Remove.
240         (lambda_matrix_new, lambda_matrix_inverse)
241         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
242         argument of type struct obstack *.
243
244         * lambda-trans.c (lambda_trans_matrix_new): New argument
245         lambda_obstack.  Pass it down, use obstack allocation for ret.
246         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
247         it down.
248
249         * lambda-mat.c (lambda_matrix_get_column)
250         (lambda_matrix_project_to_null): Remove.
251         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
252         allocation for mat.
253         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
254         lambda_obstack.
255
256         * lambda-code.c (lambda_loop_new): New function.
257         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
258         (lambda_compute_auxillary_space, lambda_compute_target_space)
259         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
260         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
261         (build_access_matrix): New argument lambda_obstack.  Use obstack
262         allocation for am.
263         (lambda_compute_step_signs, lambda_compute_access_matrices): New
264         argument lambda_obstack.  Pass it down.
265
266 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
267
268         * optabs.h (expand_widening_mult): Declare.
269
270 2010-04-22  Richard Guenther  <rguenther@suse.de>
271
272         PR tree-optimization/43845
273         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
274         lookup the CALL_EXPR function and arguments.
275
276 2010-04-22  Nick Clifton  <nickc@redhat.com>
277
278         * config/stormy16/stormy16.c
279         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
280         * config/stormy16/stormy16.h: Tidy up formatting.
281         (DONT_USE_BUILTIN_SETJMP): Remove definition.
282         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
283         (ineqbranchsi): Delete pattern.
284         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
285         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
286         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
287         stormy16-lib2-ucmpsi2.c.
288
289 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
290
291         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
292         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
293         extra set merge_set_noclobber, and use it to relax the final test
294         slightly.
295         * df.h (df_simulate_find_noclobber_defs): Declare.
296         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
297         conditional defs.
298         (df_simulate_find_noclobber_defs): New function.
299
300 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
301
302         * config/i386/i386.md: Use {} around multi-line preparation statements.
303
304 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
305
306         * c-tree.h (push_init_level, pop_init_level, set_init_index)
307         (process_init_element): New argument of type struct obstack *.
308
309         * c-typeck.c (push_init_level, pop_init_level, set_designator)
310         (set_init_index, set_init_label, set_nonincremental_init)
311         (set_nonincremental_init_from_string, find_init_member)
312         (output_init_element, output_pending_init_elements)
313         (process_init_element): New argument braced_init_obstack.  Pass it
314         down.
315         (push_range_stack, add_pending_init): New argument
316         braced_init_obstack.  Use obstack allocation.
317
318         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
319         braced_init_obstack.  Pass it down.
320         (c_parser_braced_init): New variables ret, braced_init_obstack.
321         Initialize obstack, pass it down and finally free it.
322
323 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
324
325         PR middle-end/29274
326         * tree-pass.h (pass_optimize_widening_mul): Declare.
327         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
328         gate_optimize_widening_mul): New static functions.
329         (pass_optimize_widening_mul): New.
330         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
331         <case MULT_EXPR>: Remove support for widening multiplies.
332         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
333         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
334         simplify_gen_unary rather than directly building extensions.
335         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
336         WIDEN_MULT_EXPR.
337         * expmed.c (expand_widening_mult): New function.
338         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
339
340 2010-04-21  Jan Hubicka  <jh@suse.cz>
341
342         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
343         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
344         * lto-wpa-fixup.c: Remove.
345         * Makefile.in (lto-wpa-fixup.o): Remove.
346         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
347         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
348         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
349
350 2010-04-21  Jan Hubicka  <jh@suse.cz>
351
352         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
353         add write_optimization_summary, read_optimization_summary.
354         (ipa_write_summaries_of_cgraph_node_set): Remove.
355         (ipa_write_optimization_summaries): Declare.
356         (ipa_read_optimization_summaries): Declare.
357         * ipa-cp.c (pass_ipa_cp): Update.
358         * ipa-reference.c (pass_ipa_reference): Update.
359         * ipa-pure-const.c (pass_ipa_pure_const): Update.
360         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
361         Update.
362         * ipa-inline.c (pass_ipa_inline): Update.
363         * ipa.c (pass_ipa_whole_program): Update.
364         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
365         * passes.c (ipa_write_summaries_1): Do not test wpa.
366         (ipa_write_optimization_summaries_1): New.
367         (ipa_write_optimization_summaries): New.
368         (ipa_read_summaries): Do not test ltrans.
369         (ipa_read_optimization_summaries_1): New.
370         (ipa_read_optimization_summaries): New.
371
372 2010-04-21  Jan Hubicka  <jh@suse.cz>
373
374         * lto-cgraph.c (lto_output_node): Do not output comdat groups
375         for boundary nodes.
376         (output_cgraph): Do not arrange comdat groups for boundary nodes.
377
378 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
379
380         PR debug/40040
381         * dwarf2out.c (add_name_and_src_coords_attributes): Add
382         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
383
384 2010-04-21  Jan Hubicka  <jh@suse.cz>
385
386         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
387
388 2010-04-21  Jan Hubicka  <jh@suse.cz>
389
390         * varpool.c (decide_is_variable_needed): Variable is always needed
391         during ltrans.
392
393 2010-04-21  Jan Hubicka  <jh@suse.cz>
394
395         * opts.c (decode_options): Enable pure-const pass for whopr.
396
397 2010-04-21  Jan Hubicka  <jh@suse.cz>
398
399         * cgraph.c (dump_cgraph_node): Dump also assembler name.
400         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
401         at WPA dumping.
402         (cgraph_decide_inlining): Do not expect callee to be removed in all
403         cases.
404
405 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
406
407         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
408
409 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
410
411         * config/i386/i386.md (x86_shrd): Add athlon_decode and
412         amdfam10_decode attributes.
413
414 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
415
416         PR middle-end/43570
417         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
418         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
419         (lower_copyprivate_clauses): Use private var in outer
420         context instead of original var.  Make sure the types
421         are correct for VLAs.
422
423 2010-04-21  Richard Guenther  <rguenther@suse.de>
424
425         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
426         to non-pointer objects.
427
428 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
429
430         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
431         last chain entry if it starts with the still current label.
432         (add_location_or_const_value_attribute): Check that
433         loc_list->first->next is NULL instead of comparing ->first with ->last.
434         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
435         to add_var_loc_to_decl.
436
437         * dwarf2out.c (output_call_frame_info): For dw_cie_version
438         >= 4 add also address size and segment size fields into CIE header.
439
440         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
441         long as address size is the same as sizeof (void *) and
442         segment size is 0.
443         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
444         address size or segment size is unexpected, return DW_EH_PE_omit.
445         (classify_object_over_fdes): If get_cie_encoding returned
446         DW_EH_PE_omit, return -1.
447         (init_object): If classify_object_over_fdes returned -1,
448         pretend there were no FDEs at all.
449
450 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
451
452         * config/i386/i386.md (bswap<mode>2): Macroize expander from
453         bswap{si,di}2 using SWI48 mode iterator.
454         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
455         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
456         set modrm attribute of bswap insn to 0 and remove length attribute.
457         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
458         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
459         set mode attribute to <MODE> and remove length attribute.
460
461 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
462
463         PR rtl-optimization/43520
464         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
465         zero available registers.
466
467 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
468
469         * builtins.c (fold_builtin_cproj): Fold more cases.
470
471 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
472
473         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
474         (fold_builtin_1): Fold builtin cproj.
475         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
476         Use ATTR_CONST_NOTHROW_LIST.
477
478 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
479
480         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
481         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
482         ffsi2_no_cmove for !TARGET_CMOVE.
483         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
484         (ffssi2): Remove expander.
485         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
486         mode iterator.
487         (ctz<mode>2): Ditto from ctz{si,di}2.
488         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
489         mode iterator.
490         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
491         mode iterator.
492
493 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
494
495         * dwarf2out.c (AT_linkage_name): Define.
496         (clone_as_declaration): Handle DW_AT_linkage_name.
497         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
498         of DW_AT_MIPS_linkage_name.
499         (move_linkage_attr): Likewise.
500         (dwarf2out_finish): Likewise.
501
502 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
503
504         PR middle-end/41952
505         * fold-const.c (fold_comparison): New folding rule.
506
507 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
508
509         * double-int.h (double_int_setbit): Declare.
510         * double-int.c (double_int_setbit): New function.
511         * rtl.h (immed_double_int_const): Declare.
512         * emit-rtl.c (immed_double_int_const): New function.
513         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
514         and immed_double_int_const functions.
515         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
516         expand_copysign_bit):  (Ditto.).
517         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
518         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
519         * dojump.c (prefer_and_bit_test): (Ditto.).
520         * expr.c (convert_modes, reduce_to_bit_field_precision,
521         const_vector_from_tree): (Ditto.).
522         * expmed.c (mask_rtx, lshift_value): (Ditto.).
523
524 2010-04-20  Jan Hubicka  <jh@suse.cz>
525
526         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
527         (dump_cgraph_node): Dump new flags.
528         * cgraph.h (struct cgraph_node): Add flags
529         reachable_from_other_partition and in_other_partition.
530         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
531         other partition can not be removed.
532         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
533         the other partition must be output; silence sanity checking on
534         leaking functions bodies from other paritition.
535         * lto-cgraph.c (reachable_from_other_partition_p): New function.
536         (lto_output_node): Output new flags; do not sanity check that inline
537         clones are output; drop lto_forced_extern_inline_p code; do not mock
538         visibility flags at partition boundaries.
539         (add_node_to): New function.
540         (output_cgraph): Use it to sort functions so masters appear before
541         clones.
542         (input_overwrite_node): Input new flags.
543         * passes.c (ipa_write_summaries): Do not call
544         lto_new_extern_inline_states.
545         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
546         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
547         lto_forced_extern_inline_p): Kill.
548         * lto-streamer.h (lto_new_extern_inline_states,
549         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
550         lto_forced_extern_inline_p): Kill.
551
552 2010-04-20  Richard Guenther  <rguenther@suse.de>
553
554         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
555         from vars that can have pointers.
556         (process_constraint): Dump useless constraints.
557
558 2010-04-20  Richard Guenther  <rguenther@suse.de>
559
560         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
561         (dump_sa_points_to_info): Remove asserts.
562         (init_base_vars): nothing_id isn't an escape point nor does it
563         have pointers.
564
565 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
566
567         * tree.h (TYPE_REF_IS_RVALUE): Define.
568         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
569         should_move_die_to_comdat, prune_unused_types_walk): Handle
570         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
571         (modified_type_die, gen_reference_type_die): Emit
572         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
573         if TYPE_REF_IS_RVALUE and -gdwarf-4.
574
575 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
576
577         PR target/43635
578         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
579         calls for -fpic -m31 if they have been sibcall optimized.
580
581 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
582
583         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
584         ar.lc fixed and call-used.
585
586         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
587
588 2010-04-19  Jan Hubicka  <jh@suse.cz>
589
590         * opts.c (decode_options): Disable whpr incompatible passes.
591         * lto/lto.c (lto_1_to_1_map): Skip clones.
592         (read_cgraph_and_symbols): Do not mark everything as needed.
593         (do_whole_program_analysis): Do map only after optimizing;
594         set proper cgraph_state; use passmanager.
595
596 2010-04-19  DJ Delorie  <dj@redhat.com>
597
598         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
599         POINTER_PLUS_EXPR and fix them.
600
601 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
602
603         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
604         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
605         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
606         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
607         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
608         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
609         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
610         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
611         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
612         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
613         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
614
615 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
616
617         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
618         (check_cond_move_block): Likewise.
619         (cond_move_process_if_block): Likewise.
620         (noce_find_if_block): Improve formatting.
621         (find_if_header): Pass 0 to memset and tweak conditions.
622         (cond_exec_find_if_block): Fix long lines and tweak conditions.
623
624 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
625
626         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
627         for -gdwarf-4.
628
629         PR middle-end/43337
630         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
631         with non-local decl doesn't need chain.
632
633 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
634
635         * ira-color.c (allocno_reload_assign): Avoid accumulating
636         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
637
638 2010-04-19  Martin Jambor  <mjambor@suse.cz>
639
640         * gimple.h (create_tmp_reg): Declare.
641         * gimplify.c (create_tmp_reg): New function.
642         (gimplify_return_expr): Use create_tmp_reg.
643         (gimplify_omp_atomic): Likewise.
644         (gimple_regimplify_operands): Likewise.
645         * tree-dfa.c (make_rename_temp): Likewise.
646         * tree-predcom.c (predcom_tmp_var): Likewise.
647         (reassociate_to_the_same_stmt): Likewise.
648         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
649         (get_replaced_param_substitute): Likewise.
650         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
651         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
652         * tree-ssa-pre.c (get_representative_for): Likewise.
653         (create_expression_by_pieces): Likewise.
654         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
655         (create_tailcall_accumulator): Likewise.
656
657 2010-04-19  Martin Jambor  <mjambor@suse.cz>
658
659         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
660         new_stmt.
661         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
662
663 2010-04-19  Richard Guenther  <rguenther@suse.de>
664
665         PR tree-optimization/43796
666         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
667         from SCEV in the lattice.
668         (vrp_visit_phi_node): Dump change.
669
670 2010-04-19  Richard Guenther  <rguenther@suse.de>
671
672         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
673         * configure: Re-generated.
674
675 2010-04-19  Richard Guenther  <rguenther@suse.de>
676
677         PR tree-optimization/43783
678         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
679         constant ARRAY_REF operands two and three if possible.
680
681 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
682
683         PR target/43766
684         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
685
686 2010-04-19  Jie Zhang  <jie@codesourcery.com>
687
688         PR target/43662
689         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
690
691 2010-04-19  Ira Rosen  <irar@il.ibm.com>
692
693         PR tree-optimization/37027
694         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
695         and macro to access it.
696         (vectorizable_reduction): Add argument.
697         (vect_get_slp_defs): Likewise.
698         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
699         statements for possible use in SLP.
700         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
701         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
702         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
703         add new argument.
704         (vectorizable_reduction): Likewise.
705         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
706         vect_get_slp_defs.
707         (vectorizable_type_demotion, vectorizable_type_promotion,
708         vectorizable_store): Likewise.
709         (vect_analyze_stmt): Update call to vectorizable_reduction.
710         (vect_transform_stmt): Likewise.
711         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
712         (vect_build_slp_tree): Fix indentation. Check that there are no loads
713         from different interleaving chains in same node.
714         (vect_slp_rearrange_stmts): New function.
715         (vect_supported_load_permutation_p): Allow load permutations for
716         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
717         inside SLP nodes if necessary.
718         (vect_analyze_slp_instance): Handle reductions.
719         (vect_analyze_slp): Try to build SLP instances originating from groups
720         of reductions.
721         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
722         (vect_get_constant_vectors): Create initial vectors for reductions
723         according to reduction code. Add new argument.
724         (vect_get_slp_defs): Add new argument, pass it to
725         vect_get_constant_vectors.
726         (vect_schedule_slp_instance): Remove SLP tree root statements.
727
728 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
729
730         * tree.h (ENUM_IS_SCOPED): Define.
731         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
732         for ENUM_IS_SCOPED enums.
733
734 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
735
736         * fold-const.c (fold_comparison): Use ssizetype.
737         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
738         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
739         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
740         * tree-object-size.c (compute_object_sizes): Use size_type_node.
741
742         * tree.h (initialize_sizetypes): Remove parameter.
743         (build_common_tree_nodes): Remove second parameter.
744         * stor-layout.c (initialize_sizetypes): Remove parameter.
745         Always create an unsigned type.
746         (set_sizetype): Assert that the passed type is unsigned and simplify.
747         * tree.c (build_common_tree_nodes): Remove second parameter.
748         Adjust call to initialize_sizetypes.
749         * c-decl.c (c_init_decl_processing): Remove second argument in call to
750         build_common_tree_nodes.
751
752 2010-04-18  Matthias Klose  <doko@ubuntu.com>
753
754         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
755
756 2010-04-18  Ira Rosen  <irar@il.ibm.com>
757
758         PR tree-optimization/43771
759         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
760         load permutation doesn't have gaps.
761
762 2010-04-18  Jan Hubicka  <jh@suse.cz>
763
764         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
765         (sse_prologue_save_insn expander): Use new pattern.
766         (sse_prologue_save_insn1): New pattern and splitter.
767         (sse_prologue_save_insn): Update to deal also with 64bit aligned
768         blocks.
769         * i386.c (setup_incoming_varargs_64): Do not compute jump
770         destination here.
771         (ix86_gimplify_va_arg): Update alignment needed.
772         (ix86_local_alignment): Do not align all local arrays to 128bit.
773
774 2010-04-17  Jan Hubicka  <jh@suse.cz>
775
776         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
777
778 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
779
780         * arm.md (negdi2): Remove redundant code to force values into a
781         register.
782
783 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
784
785         * arm/bpabi.S: Add EABI alignment attributes to objects.
786         * arm/bpabi-v6m.S: Likewise.
787         * arm/crti.asm: Likewise.
788         * arm/crtn.asm: Likewise.
789         * arm/lib1funcs.asm: Likewise.
790         * arm/libunwind.S: Likewise.
791
792 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
793
794         * arm-protos.h (tune_params): New structure.
795         * arm.c (current_tune): New variable.
796         (arm_constant_limit): Delete.
797         (struct processors): Add pointer to the tune parameters.
798         (arm_slowmul_tune): New tuning option.
799         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
800         (all_cores): Adjust to pick up the tuning model.
801         (arm_constant_limit): New function.
802         (arm_override_options): Select the appropriate tuning model.  Delete
803         initialization of arm_const_limit.
804         (arm_split_constant): Use the new constant-limit model.
805         (arm_rtx_costs): Pick up the current tuning model.
806         * arm.md (is_strongarm, is_xscale): Delete.
807         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
808         for Xscale variant architectures.
809         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
810
811 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
812
813         * config/arm/arm.c (arm_gen_constant): Remove unused variable
814         can_shift.
815         (arm_rtx_costs_1): Remove unused variable extra_cost.
816         (arm_unwind_emit_set): Use variable offset.
817         (thumb1_output_casesi): Remove unused variable flags.
818
819 2010-04-16  Jeff Law  <law@redhat.com>
820
821         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
822         needing assignment rather than doing a two-phase assignment.  Remove
823         unused variable 'm'.
824
825 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
826
827         PR bootstrap/43767
828         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
829
830 2010-04-16  Doug Kwan  <dougkwan@google.com>
831
832         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
833         (next_operand_entry_id): New static variable.
834         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
835         (add_to_ops_vec): Assigned unique ID to operand entry.
836         (struct oecount_s): New field ID.
837         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
838         (undistribute_ops_list): Assign unique IDs to oecounts.
839         (init_reassoc): reset next_operand_entry_id.
840
841 2010-04-16  Doug Kwan  <dougkwan@google.com>
842
843         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
844         missing left parenthesis.
845
846 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
847
848         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
849         *btdi_rex64 using SWI48 mode iterator.
850         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
851         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
852         *jcc_btdi_mask_rex64.
853
854 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
855
856         * double-int.h (tree_to_double_int): Convert to macro.
857         * double-int.c (tree_to_double_int): Remove.
858
859 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
860
861         PR debug/43762
862         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
863         with want_address 2 and in case a single element list might be
864         possible, call it again with want_address 0.
865
866 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
867
868         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
869         case 'W' print operands for HI mode.
870         * config/h8300/h8300.h (Y0, Y2) : New constraints.
871         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
872         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
873         * config/h8300/predicate.md (bit_register_indirect_operand): New.
874
875         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
876
877         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
878         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
879         #xx:3 and #xx:4 mode.
880
881         * config/h8300/h8300.md (inverted load with HImode dest): Add
882         support for H8300SX.
883
884         * config/h8300/predicate.md (bit_operand): Allow immediate values that
885         satisfy 'U' constraint.
886
887 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
888
889         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
890         * configure: Regenerate.
891         * config.in: Regenerate.
892         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
893         works.
894
895 2010-04-16  Richard Guenther  <rguenther@suse.de>
896
897         * tree.h (struct tree_decl_minimal): Move pt_uid ...
898         (struct tree_decl_common): ... here.
899         (DECL_PT_UID): Adjust.
900         (SET_DECL_PT_UID): Likewise.
901         (DECL_PT_UID_SET_P): Likewise.
902
903 2010-04-16  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/43572
906         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
907         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
908         * tree-flow.h (is_call_clobbered): Remove.
909         * tree-flow-inline.h (is_call_clobbered): Likewise.
910         * tree-dfa.c (dump_variable): Do not dump call clobber state.
911         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
912         (execute_return_slot_opt): Adjust.
913         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
914         check for call clobbered vars here.
915         (find_tail_calls): Move tailcall verification to the
916         proper place.
917
918 2010-04-16  Diego Novillo  <dnovillo@google.com>
919
920         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
921
922 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
923
924         PR target/40603
925         * config/arm/arm.md (cbranchqi4): New pattern.
926         * config/arm/predicates.md (const0_operand,
927         cbranchqi4_comparison_operator): New predicates.
928
929 2010-04-16  Richard Guenther  <rguenther@suse.de>
930
931         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
932         (dump_gimple_stmt): Likewise.
933
934 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
935
936         * recog.h (struct recog_data): New field is_operator.
937         (struct insn_operand_data): New field is_operator.
938         * recog.c (extract_insn): Set recog_data.is_operator.
939         * genoutput.c (output_operand_data): Emit code to set the
940         is_operator field.
941         * reload.c (find_reloads): Use it rather than testing for an
942         empty constraint string.
943
944         PR target/41514
945         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
946         If the previous insn is a cbranchsi4_insn with the same arguments,
947         omit the compare instruction.
948
949         * config/arm/arm.md (addsi3_cbranch): If destination is a high
950         register, inputs must be low registers and we need a low register
951         scratch.  Handle alternative 2 like alternative 3.
952
953 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
954
955         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
956         don't call get_addr on both.  If one expression is a VALUE and
957         the other a REG, check VALUE's locs if the REG isn't among them.
958
959 2010-04-16  Christian Bruel  <christian.bruel@st.com>
960
961         * config/sh/sh.h (sh_frame_pointer_required): New function.
962         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
963         (flag_omit_frame_pointer) Set.
964         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
965         (rounded_frame_size): Adjust size with outgoing_args_size.
966         (sh_set_return_address): Must return from stack pointer.
967         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
968         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
969         (ACCUMULATE_OUTGOING_ARGS): Define.
970         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
971         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
972
973 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
974
975         PR target/43471
976         * config/sh/sh.c (sh_legitimize_reload_address): Use
977         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
978         Remove a unneeded check for offset_base.
979
980 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
981
982         * configure: Regenerated.
983
984 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
985
986         * config/s390/s390.c (s390_call_save_register_used): Switch back
987         to HARD_REGNO_NREGS.
988
989 2010-04-15  Richard Guenther  <rguenther@suse.de>
990
991         * alias.c (alias_set_subset_of): Handle alias-set zero
992         child properly.
993
994 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
995             Julian Brown  <julian@codesourcery.com>
996
997         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
998         alternatives according to use of high and low regs.
999         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1000         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1001         optimizing for size on Thumb-2.
1002
1003 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1004
1005         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1006
1007 2010-04-15  Richard Guenther  <rguenther@suse.de>
1008
1009         * tree-ssa-structalias.c (struct variable_info): Add
1010         is_fn_info flag.
1011         (new_var_info): Initialize it.
1012         (dump_constraints): Support printing last added constraints.
1013         (debug_constraints): Adjust.
1014         (dump_constraint_graph): Likewise.
1015         (make_heapvar_for): Check for NULL cfun.
1016         (get_function_part_constraint): New function.
1017         (get_fi_for_callee): Likewise.
1018         (find_func_aliases): Properly implement IPA PTA constraints.
1019         (process_ipa_clobber): New function.
1020         (find_func_clobbers): Likewise.
1021         (insert_into_field_list_sorted): Remove.
1022         (create_function_info_for): Properly allocate vars for IPA mode.
1023         Do not use insert_into_field_list_sorted.
1024         (create_variable_info_for): Properly generate constraints for
1025         global vars in IPA mode.
1026         (dump_solution_for_var): Always dump the solution.
1027         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1028         (find_what_var_points_to): Adjust.
1029         (pt_solution_set): Change.
1030         (pt_solution_ior_into): New function.
1031         (pt_solution_empty_p): Export.
1032         (pt_solution_includes_global): Adjust.
1033         (pt_solution_includes_1): Likewise.
1034         (pt_solutions_intersect_1): Likewise.
1035         (dump_sa_points_to_info): Check some invariants.
1036         (solve_constraints): Move constraint dumping ...
1037         (compute_points_to_sets): ... here.
1038         (ipa_pta_execute): ... and here.
1039         (compute_may_aliases): Do not re-compute points-to info
1040         locally if IPA info is available.
1041         (ipa_escaped_pt): New global var.
1042         (ipa_pta_execute): Properly implement IPA PTA.
1043         * tree-into-ssa.c (dump_decl_set): Support dumping
1044         decls not in referenced-vars.
1045         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1046         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1047         (dump_points_to_solution): Likewise.
1048         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1049         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1050         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1051         (copy_decl_to_var): Copy DECL_PT_UID.
1052         (copy_result_decl_to_var): Likewise.
1053         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1054         (copy_node_stat): Copy it.
1055         * tree.h (DECL_PT_UID): New macro.
1056         (SET_DECL_PT_UID): Likewise.
1057         (DECL_PT_UID_SET_P): Likewise.
1058         (struct tree_decl_minimal): Add pt_uid member.
1059         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1060         (pt_solution_empty_p): Declare.
1061         (pt_solution_set): Adjust.
1062         (ipa_escaped_pt): Declare.
1063         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1064         * gimple-pretty-print.c (pp_points_to_solution): New function.
1065         (dump_gimple_call): Dump call clobber/use information.
1066         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1067         * tree-pass.h (TDF_ALIAS): New dump option.
1068         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1069         * doc/invoke.texi (-fipa-pta): Update documentation.
1070
1071 2010-04-15  Richard Guenther  <rguenther@suse.de>
1072
1073         * Makefile.in (OBJS-common): Add gimple-fold.o.
1074         (gimple-fold.o): New rule.
1075         * tree.h (maybe_fold_offset_to_reference,
1076         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1077         prototypes ...
1078         * gimple.h: ... here.
1079         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1080         may_propagate_address_into_dereference): Move prototypes ...
1081         * gimple.h: ... here.
1082         * tree-ssa-ccp.c (get_symbol_constant_value,
1083         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1084         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1085         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1086         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1087         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1088         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1089         gimplify_and_update_call_from_tree): Move ...
1090         * gimple-fold.c: ... here.  New file.
1091         (ccp_fold_builtin): Rename to ...
1092         (gimple_fold_builtin): ... this.
1093         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1094
1095 2010-04-15  Richard Guenther  <rguenther@suse.de>
1096
1097         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1098         fit_double_type, force_fit_type_double, add_double_with_sign,
1099         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1100         lrotate_double, rrotate_double, div_and_round_double): Move ...
1101         * double-int.c: ... here.
1102         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1103         add_double, neg_double, mul_double_with_sign, mul_double,
1104         lshift_double, rshift_double, lrotate_double, rrotate_double,
1105         div_and_round_double): Move prototypes ...
1106         * double-int.h: ... here.
1107
1108 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1109
1110         PR target/43742
1111         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1112         matching constraints to ensure inputs match the output.
1113
1114 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1115
1116         PR target/43742
1117         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1118         in an input-only operand.
1119
1120 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1121
1122         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1123         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1124         (double_int_negative_p): Convert to static inline function.
1125         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1126         (double_int_negative_p): Remove.
1127         * tree.h (lshift_double, rshift_double):
1128         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1129         * fold-const.c (fold_convert_const_int_from_real,
1130         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1131         (lshift_double): Change type of arith argument to bool.
1132         (rshift_double): Change type of arith argument to bool. Correct
1133         comment.
1134         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1135
1136 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1137
1138         PR target/21803
1139         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1140         at the start and end of the then/else blocks, and omit them from the
1141         conversion.
1142         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1143         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1144         (flow_find_head_matching_sequence): New function.
1145         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1146         * basic-block.h (flow_find_cross_jump,
1147         flow_find_head_matching_sequence): Declare functions.
1148
1149 2010-04-14  Jason Merrill  <jason@redhat.com>
1150
1151         PR c++/36625
1152         * c-common.c (attribute_takes_identifier_p): New fn.
1153         * c-common.h: Declare it.
1154
1155 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1156
1157         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1158         splitter condition.
1159         (*udivmod<mode>4): Ditto.
1160
1161 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1162
1163         * config/i386/i386.md (maxmin_int): Rename code attribute from
1164         maxminiprefix and update all users.
1165         (maxmin_float): Ditto from maxminfprefix.
1166         (logic): Ditto from logicprefix.
1167         (absneg_mnemonic): Ditto from absnegprefix.
1168         * config/i386/mmx.md: Update all users of maxminiprefix,
1169         maxminfprefix and logicprefix for rename.
1170         * config/i386/sse.md: Ditto.
1171         * config/i386/sync.md (sync_<code><mode>): Update for
1172         logicprefix rename.
1173
1174 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1175
1176         PR 42966
1177         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1178         warnings converted to errors.
1179
1180 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1181
1182         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1183         used insn_type variable.
1184         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1185         to avoid set-but-not-used warning.
1186
1187 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1188
1189         * df-core.c (df_ref_debug): Change format string placeholder
1190         from 0x%x to %#x.
1191         * dwarf2asm.c (dw2_asm_output_data_raw,
1192         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1193         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1194         * dwarf2out.c (output_cfi, output_cfi_directive,
1195         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1196         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1197         Ditto.
1198         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1199         * print-rtl.c (print_rtx): Ditto.
1200
1201 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1202
1203         PR middle-end/42694
1204         * builtins.c (expand_builtin_pow_root): New function to expand pow
1205         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1206         series of sqrt and cbrt calls under -ffast-math.
1207         (expand_builtin_pow): Call it.
1208
1209 2010-04-14  Michael Matz  <matz@suse.de>
1210
1211         PR tree-optimization/42963
1212         * tree-cfg.c (touched_switch_bbs): New static variable.
1213         (group_case_labels_stmt): New function broken out from ...
1214         (group_case_labels): ... here, use the above.
1215         (start_recording_case_labels): Allocate touched_switch_bbs.
1216         (end_recording_case_labels): Deallocate it, call
1217         group_case_labels_stmt.
1218         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1219
1220 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1221
1222         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1223         from insn template.
1224
1225 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1226
1227         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1228
1229 2010-04-13  Jan Hubicka  <jh@suse.cz>
1230
1231         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1232         of optimized out static functions.
1233         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1234         cost computation.  Also sanity check for overflows.
1235         (update_caller_keys): Update cgraph_edge_badness call; properly
1236         update fibheap and sanity check that it is up to date.
1237         (add_new_edges_to_heap): Update cgraph_edge_badness.
1238         (cgraph_decide_inlining_of_small_function): Likewise;
1239         add sanity checking that badness in heap is up to date;
1240         improve dumping of reason; Update badness of calls to the
1241         offline copy of function currently inlined; dump badness
1242         of functions not inlined because of unit growth limits.
1243
1244 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1245
1246         PR middle-end/32628
1247         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1248         because of sign-extension change when converting to sizetype here...
1249         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1250
1251         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1252         the folding to constants.  Remove redundant final conversion.
1253         (fold_binary) <associate>: Do not associate if the re-association of
1254         constants alone overflows.
1255         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1256         to the end of the list.
1257         (multiple_of_p) <COND_EXPR>: New case.
1258
1259 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1260
1261         * opt-functions.awk (opt_sanitized_name): New.
1262         (opt_enum): New.
1263         * optc-gen.awk: Use it
1264         * opth-gen.awk: Use it.
1265
1266 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1267
1268         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1269         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1270         children.  Call replace_uses_with_default_def_ssa_name to handle
1271         SSA_NAES on lhs.
1272
1273 2010-04-13  Michael Matz  <matz@suse.de>
1274
1275         PR middle-end/43730
1276         * builtins.c (expand_builtin_interclass_mathfn): Also create
1277         a register if the predicate doesn't match.
1278
1279 2010-04-13  Diego Novillo  <dnovillo@google.com>
1280
1281         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1282         * c-pch.c: Include timevar.h.
1283         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1284         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1285         * ggc-common.c: Include timevar.h.
1286         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1287         * timevar.def (TV_PCH_SAVE): Define.
1288         (TV_PCH_CPP_SAVE): Define.
1289         (TV_PCH_PTR_REALLOC): Define.
1290         (TV_PCH_PTR_SORT): Define.
1291         (TV_PCH_RESTORE): Define.
1292         (TV_PCH_CPP_RESTORE): Define.
1293
1294 2010-04-13  Michael Matz  <matz@suse.de>
1295
1296         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1297         into MINUS_EXPRs.
1298         (can_reassociate_p): New function.
1299         (break_up_subtract_bb, reassociate_bb): Use it.
1300
1301 2010-04-13  Richard Guenther  <rguenther@suse.de>
1302
1303         PR bootstrap/43737
1304         * builtins.c (c_readstr): Fix assert.
1305
1306 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1309         when generating cltd insn.
1310
1311         (*ashl<mode>3_1): Remove special handling for register operand 2.
1312         (*ashlsi3_1_zext): Ditto.
1313         (*ashlhi3_1): Ditto.
1314         (*ashlhi3_1_lea): Ditto.
1315         (*ashlqi3_1): Ditto.
1316         (*ashlqi3_1_lea): Ditto.
1317         (*<shiftrt_insn><mode>3_1): Ditto.
1318         (*<shiftrt_insn>si3_1_zext): Ditto.
1319         (*<shiftrt_insn>qi3_1_slp): Ditto.
1320         (*<rotate_insn><mode>3_1): Ditto.
1321         (*<rotate_insn>si3_1_zext): Ditto.
1322         (*<rotate_insn>qi3_1_slp): Ditto.
1323
1324 2010-04-13  Richard Guenther  <rguenther@suse.de>
1325
1326         * tree-ssa-structalias.c (callused_id): Remove.
1327         (call_stmt_vars): New.
1328         (get_call_vi): Likewise.
1329         (lookup_call_use_vi): Likewise.
1330         (lookup_call_clobber_vi): Likewise.
1331         (get_call_use_vi): Likewise.
1332         (get_call_clobber_vi): Likewise.
1333         (make_transitive_closure_constraints): Likewise.
1334         (handle_const_call): Adjust to do per-call call-used handling.
1335         (handle_pure_call): Likewise.
1336         (find_what_var_points_to): Remove general callused handling.
1337         (init_base_vars): Likewise.
1338         (init_alias_vars): Initialize call_stmt_vars.
1339         (compute_points_to_sets): Process call-used and call-clobbered
1340         vars for call statements.
1341         (delete_points_to_sets): Free call_stmt_vars.
1342
1343 2010-04-13  Richard Guenther  <rguenther@suse.de>
1344
1345         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1346         Only add RW dependence for dependence distance zero.
1347         Adjust maximal vectorization factor according to dependences.
1348         Move alignment handling ...
1349         (vect_find_same_alignment_drs): ... here.  New function.
1350         (vect_analyze_data_ref_dependences): Adjust.
1351         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1352         (vect_analyze_data_refs): Adjust minimal vectorization factor
1353         according to data references.
1354         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1355         dependences before determining the vectorization factor.
1356         Analyze alignment after determining the vectorization factor.
1357         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1358         dependences before alignment.
1359         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1360         Adjust prototype.
1361         (vect_analyze_data_refs): Likewise.
1362         (MAX_VECTORIZATION_FACTOR): New define.
1363
1364 2010-04-13  Duncan Sands  <baldrick@free.fr>
1365
1366         * except.h (lang_eh_type_covers): Remove.
1367         * except.c (lang_eh_type_covers): Likewise.
1368
1369 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1370             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1371
1372         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1373         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1374         UNITS_PER_LONG where it is ABI relevant.
1375         (s390_return_addr_rtx): Likewise.
1376         (s390_back_chain_rtx): Likewise.
1377         (s390_frame_area): Likewise.
1378         (s390_frame_info): Likewise.
1379         (s390_initial_elimination_offset): Likewise.
1380         (save_gprs): Likewise.
1381         (s390_emit_prologue): Likewise.
1382         (s390_emit_epilogue): Likewise.
1383         (s390_function_arg_advance): Likewise.
1384         (s390_function_arg): Likewise.
1385         (s390_va_start): Likewise.
1386         (s390_gimplify_va_arg): Likewise.
1387         (s390_function_profiler): Likewise.
1388         (s390_optimize_prologue): Likewise.
1389         (s390_rtx_costs): Likewise.
1390         (s390_secondary_reload): Likewise.
1391         (s390_promote_function_mode): Likewise.
1392         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1393         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1394         registers available.
1395         (s390_unwind_word_mode): New function.
1396         (s390_function_value): Split 64 bit values into register pair if
1397         used as return value.
1398         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1399         function call parameters.  Handle parallels.
1400         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1401         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1402         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1403         (s390_expand_setmem): Remove unused variable src_addr.
1404         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1405         deal with 64 bit registers.
1406         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1407         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1408         (UNITS_PER_LONG): New macro.
1409         * libjava/include/s390-signal.h: Define extended ucontext
1410         structure containing the upper halfs of the 64 bit registers.
1411
1412 2010-04-13  Simon Baldwin  <simonb@google.com>
1413
1414         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1415
1416 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1417
1418         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1419         rvalue on the RHS if the LHS is of a non-renamable type.
1420         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1421
1422 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1423
1424         * gcc.c (cc1_options): Handle -iplugindir before processing
1425         the cc1 spec. Only add -iplugindir once.
1426         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1427         found.
1428         * common.opt (iplugindir): Remove `Separate' property, initialize.
1429         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1430         option.
1431         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1432         (distclean): Remove plugin dir.
1433         * doc/invoke.texi: Document -iplugindir.
1434
1435 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1436
1437         * doc/plugins.texi (Loading Plugins): Document short
1438         -fplugin=foo option.
1439         (Plugin API): Mention default_plugin_dir_name function.
1440
1441         * gcc.c (find_file_spec_function): Add new declaration.
1442         (static_spec_func): Use it for "find-file".
1443         (find_file_spec_function): Add new function.
1444         (cc1_options): Add -iplugindir option if -fplugin* options found.
1445
1446         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1447
1448         * plugin.c (add_new_plugin): Updated comment, and handle short
1449         plugin name.
1450         (default_plugin_dir_name): Added new function.
1451
1452         * common.opt (iplugindir): New option to set the plugin directory.
1453
1454 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1455
1456         * config/i386/i386.md (any_rotate): New code iterator.
1457         (rotate_insn): New code attribute.
1458         (rotate): Ditto.
1459         (SWIM124): New mode iterator.
1460         (<rotate_insn>ti3): New expander.
1461         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1462         any_rotate code iterator.
1463         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1464         using any_rotate code iterator and SWIM124 mode iterator.
1465         (ix86_rotlti3): New insn_and_split pattern.
1466         (ix86_rotrti3): Ditto.
1467         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1468         ix86_rotl{di,ti}3 patterns.
1469         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1470         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1471         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1472         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1473         code iterator and SWI mode iterator.
1474         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1475         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1476         code iterator.
1477         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1478         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1479         (bswap rotatert splitter): Add splitter.
1480         (bswap splitter): Macroize splitter using any_rotate code iterator.
1481         Add insn predicate to split only for TARGET_USE_XCHGB or when
1482         optimizing function for size.
1483
1484 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1485
1486         * config/pa/pa.c (emit_move_sequence): Remove use of
1487         deleted variable flag_argument_noalias.
1488
1489 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1490
1491         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1492         configurations.
1493         Add to unsupported targets list.
1494         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1495         sparc*-sun-solaris2.[567]* from target lists.
1496         * configure: Regenerate.
1497         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1498         removal.
1499         Remove Solaris 7 patch references.
1500         (Specific, sparc-sun-solaris2.7): Removed.
1501         (sparc-sun-solaris2*): Update Solaris 7 example.
1502         (sparc64-*-solaris2*): Likewise.
1503
1504 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1505
1506         * config.build (alpha*-dec-osf4*): Remove.
1507         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1508         of obsolete configurations.
1509         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1510         support.
1511         * config/alpha/t-osf4: Renamed to ...
1512         * config/alpha/t-osf5: ... this.
1513         * config/alpha/osf.h: Renamed to ...
1514         * config/alpha/osf5.h: ... this.
1515         Merged old osf5.h contents.
1516         Update comments.
1517         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1518         (EXTRA_SPECS): Removed.
1519         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1520         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1521         Document that.
1522
1523 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1524
1525         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1526
1527 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1528
1529         PR/43702
1530         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1531         __thiscall convention.
1532
1533 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1534
1535         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1536         orig_base.
1537         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1538
1539 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1540
1541         * function.c (assign_parms_initialize_all): Add unused attribute
1542         to fntype.
1543
1544 2010-04-12  Richard Guenther  <rguenther@suse.de>
1545
1546         * gsstruct.def (GSS_CALL): New.
1547         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1548         * gimple.h: Include tree-ssa-alias.h.
1549         (struct gimple_statement_call): New.
1550         (union gimple_statement_struct_d): Add gimple_call member.
1551         (gimple_call_reset_alias_info): Declare.
1552         (gimple_call_use_set): New function.
1553         (gimple_call_clobber_set): Likewise.
1554         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1555         * gimple.c (gimple_call_reset_alias_info): New function.
1556         (gimple_build_call_1): Call it.
1557         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1558         * tree-inline.c (remap_gimple_stmt): Likewise.
1559         (expand_call_inline): Remove callused handling.
1560         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1561         * tree-dfa.c (dump_variable): Likewise.
1562         * tree-parloops.c (parallelize_loops): Likewise.
1563         * tree-ssa.c (init_tree_ssa): Likewise.
1564         (delete_tree_ssa): Likewise.
1565         * tree-flow-inline.h (is_call_used): Remove.
1566         * tree-flow.h (struct gimple_df): Remove callused member.
1567         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1568         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1569         (ref_maybe_used_by_call_p_1): Simplify.
1570         (call_may_clobber_ref_p_1): Likewise.
1571         * tree-ssa-structalias.c (compute_points_to_sets): Set
1572         the call stmt used and clobbered sets.
1573         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1574         (find_tail_calls): Verify the tail call.
1575
1576 2010-04-12  Richard Guenther  <rguenther@suse.de>
1577
1578         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1579         single-iteration always-inline inlining.
1580         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1581         (cgraph_decide_inlining): Do not handle always-inline specially.
1582         (try_inline): Remove always-inline cycle detection special case.
1583         Do not recurse on always-inlines.
1584         (cgraph_early_inlining): Do not iterate if not optimizing.
1585         (cgraph_gate_early_inlining): remove.
1586         (pass_early_inline): Run unconditionally.
1587         (gate_cgraph_decide_inlining): New function.
1588         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1589         not inlining or optimizing.
1590         (cgraph_decide_inlining_of_small_functions): Also consider
1591         always-inline functions.
1592         (cgraph_default_inline_p): Return true for nodes which should
1593         disregard inline limits.
1594         (estimate_function_body_sizes): Assume zero size and time for
1595         nodes which are marked as disregarding inline limits.
1596         (cgraph_decide_recursive_inlining): Do not perform recursive
1597         inlining on always-inline nodes.
1598
1599 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1600
1601         PR bootstrap/43699
1602         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1603         for exprs satisfying handled_component_p.
1604
1605 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1606
1607         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1608         non-constant aggregate elements.
1609
1610         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1611         is a real initialization.
1612
1613 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1614
1615         PR c/36774
1616         * c-decl.c (start_function): Move forward check for nested function.
1617
1618 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1619
1620         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1621         * config/sh/sh.c: Include reload.h.
1622         (sh_legitimize_reload_address): New.
1623         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1624         sh_legitimize_reload_address.
1625
1626 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1627
1628         * config/sh/sh.md (*movqi_pop): New insn pattern.
1629         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1630
1631 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1632
1633         * config/i386/i386.md (any_shiftrt): New code iterator.
1634         (shiftrt_insn): New code attribute.
1635         (shiftrt): Ditto.
1636         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1637         using any_shiftrt code iterator.
1638         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1639         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1640         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1641         pattern from corresponding peephole2 patterns.
1642         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1643         using any_shiftrt code iterator.
1644         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1645         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1646         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1647         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1648         *{ashr,lshr}<mode>3_cmp_zext.
1649         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1650
1651 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1652
1653         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1654         scratch register.
1655         (*lshr<mode>3_cconly): Ditto.
1656
1657 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1660         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1661         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1662         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1663         DWI mode iterator.
1664         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1665         from corresponding peephole2 patterns.
1666         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1667         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1668         and *lshrdi3_1_rex64 using SWI mode iterator.
1669         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1670         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1671         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1672         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1673         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1674         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1675         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1676         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1677         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1678         SWI mode iterator.
1679
1680 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1683         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1684         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1685         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1686         DWI mode iterator.
1687         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1688         from corresponding peephole2 patterns.
1689         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1690         (ashrsi3_cvt): Rename from ashrsi3_31.
1691         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1692         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1693         and x86_64_shift_adj_3 using SWI48 mode iterator.
1694         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1695         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1696         and *ashrdi3_1_rex64 using SWI mode iterator.
1697         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1698         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1699         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1700         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1701         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1702         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1703         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1704         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1705         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1706         SWI mode iterator.
1707         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1708         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1709         x86_shift<mode>_adj_3 expanders.
1710
1711 2010-04-10  Wei Guozhi  <carrot@google.com>
1712
1713         PR target/42601
1714         * config/arm/arm.c (arm_pic_static_addr): New function.
1715         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1716         a static symbol.
1717         (arm_output_addr_const_extra): Output expression for new pattern.
1718         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1719
1720 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1721
1722         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1723         not enabled.
1724
1725         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1726         * web.c: Include "insn-config.h" and "recog.h".
1727         (union_match_dups): New function.
1728         (web_main): Call it.
1729         (union_defs): Don't try to recognize match_dups.
1730
1731         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1732         if doing so would replace the entire pattern.
1733
1734 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1735
1736         PR target/43707
1737         PR target/43709
1738         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1739         and splitter pattern.  Change splitter operand 1 predicate to
1740         nonmemory_operand.
1741
1742 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1743
1744         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1745         lattices are addresses of CONST_DECLs with the same initial value.
1746         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1747         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1748
1749 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1750             Bernd Schmidt  <bernds@codesourcery.com>
1751
1752         * loop-invariant.c (replace_uses): New static function.
1753         (move_invariant_reg): Use it to ensure we can replace the uses.
1754
1755 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1756
1757         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1758         function template.
1759         (picochip_override_options): Enable section anchors only above -O1.
1760         (picochip_reorg): Fixed a couple of build warnings.
1761
1762 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1763
1764         * configure.ac (plugin -rdynamic test): Log result.
1765         * configure: Regenerate.
1766         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1767         (RDYNAMIC_SPEC): Define.
1768         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1769
1770 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1771
1772         * configure.ac: Determine Sun ld version numbers.
1773         (comdat_group): Restrict GNU ld version checks to gld.
1774         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1775         (enable_comdat): Support --enable-comdat.
1776         * configure: Regenerate.
1777         * doc/install.texi (Configuration): Document --enable-comdat.
1778
1779 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1780
1781         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1782         * config/sol2-gld.h: ... here.
1783         * config.gcc (sparc*-*-solaris2*): Reflect this.
1784         (i[34567]86-*-solaris2*): Use it.
1785
1786 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1787
1788         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1789         setup_clocks_p.
1790         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1791
1792 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1793
1794         PR 42965
1795         * diagnostic.c (diagnostic_initialize): Initialize
1796         some_warnings_are_errors.
1797         (diagnostic_finish): New.
1798         (diagnostic_action_after_output): Call it before exiting.
1799         (diagnostic_report_diagnostic): Do not print message here. Set
1800         some_warnings_are_errors.
1801         * diagnostic.h (diagnostic_context): Delete
1802         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1803         (diagnostic_finish): Declare.
1804         * toplev.c (toplev_main): Call it before exit.
1805
1806 2010-04-09  Jason Merrill  <jason@redhat.com>
1807
1808         PR c++/42623
1809         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1810         for incomplete type.
1811
1812         PR c++/41788
1813         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1814         based on a warning flag.
1815
1816 2010-04-09  Richard Guenther  <rguenther@suse.de>
1817
1818         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1819
1820 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1821
1822         PR bootstrap/43684
1823         * varasm.c (default_assemble_visibility): Wrap vars that are
1824         set, but unused, by targets without GAS.
1825         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1826         Remove set, but unused, vars.
1827         (rs6000_legitimize_tls_address): Likewise.
1828         (altivec_expand_dst_builtin): Likewise.
1829         * config/darwin.c (machopic_classify_symbol): Likewise.
1830         (machopic_indirection_name): Likewise.
1831
1832 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1833
1834         * config/i386/i386.md (DWI): New mode iterator.
1835         (S): New mode attribute.
1836         (shift_operand): Ditto.
1837         (shift_immediate_operand): Ditto.
1838         (ashl_input_operand): Ditto.
1839         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1840         using SDWIM mode iterator.
1841         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1842         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1843         DWI mode iterator.
1844         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1845         from corresponding peephole2 patterns.
1846         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1847         and x86_64_shift_adj_1 using SWI48 mode iterator.
1848         (x86_shift<mode>_adj_2): Ditto.
1849         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1850         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1851         using SWI48 mode iterator.
1852         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1853         *ashldi3_cmp_rex64 using SWI mode iterator.
1854         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1855         *ashldi3_cconly_rex64 using SWI mode iterator.
1856         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1857         x86_shift<mode>_adj_{1,2}.
1858         (ix86_split_ashr): Ditto.
1859         (ix86_split_lshr): Ditto.
1860
1861 2010-04-09  Richard Guenther  <rguenther@suse.de>
1862
1863         * target.h (builtin_conversion): Pass in input and output types.
1864         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1865         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1866         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1867         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1868
1869         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1870         Handle AVX modes.
1871         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1872
1873 2010-04-09  Richard Guenther  <rguenther@suse.de>
1874
1875         PR target/43152
1876         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1877
1878 2010-04-09  Richard Guenther  <rguenther@suse.de>
1879
1880         * tree-vectorizer.h (struct _stmt_vec_info): Document
1881         that vectype is the type of the LHS.
1882         (supportable_widening_operation, supportable_narrowing_operation):
1883         Get both input and output vector types as arguments.
1884         (vect_is_simple_use_1): Declare.
1885         (get_same_sized_vectype): Likewise.
1886         * tree-vect-loop.c (vect_determine_vectorization_factor):
1887         Set STMT_VINFO_VECTYPE to the vector type of the def.
1888         (vectorizable_reduction): Adjust.
1889         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1890         Adjust.  Specify the output vector type.
1891         (vect_pattern_recog_1): Adjust.
1892         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1893         (vectorizable_call): Adjust.
1894         (vectorizable_conversion): Likewise.
1895         (vectorizable_operation): Likewise.
1896         (vectorizable_type_demotion): Likewise.
1897         (vectorizable_type_promotion): Likewise.
1898         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1899         the def.
1900         (vect_is_simple_use_1): New function.
1901         (supportable_widening_operation): Get both input and output
1902         vector types.
1903         (supportable_narrowing_operation): Likewise.
1904         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1905
1906 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1907
1908         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1909         __thiscall and _thiscall as predefined macros.
1910         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1911         thiscall attribute handling.
1912         (ix86_comp_type_attributes): Likewise.
1913         (ix86_function_regparm): Likewise.
1914         (ix86_return_pops_args): Likewise.
1915         (init_cumulative_args): Likewise.
1916         (find_drap_reg): Likewise.
1917         (ix86_static_chain): Likewise.
1918         (x86_this_parameter): Likewise.
1919         (x86_output_mi_thunk): Likewise.
1920         (ix86_attribute_table): Add description for thiscall attribute.
1921         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1922         * doc/extend.texi: Add documentation for thiscall.
1923
1924 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1925
1926         PR c++/28584
1927         * c.opt (Wint-to-pointer-cast): Available in C++.
1928         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1929
1930 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1931
1932         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1933         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1934         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1935         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1936         function type instead.  Reorder and simplify checks.
1937
1938         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1939
1940 2010-04-08  Jing Yu  <jingyu@google.com>
1941             Zdenek Dvorak  <ook@ucw.cz>
1942
1943         PR tree-optimization/42720
1944         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1945         loop unswitch conditions here from ...
1946         (tree_unswitch_single_loop): ... here.
1947
1948 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1949
1950         * tree-if-conv.c: Fix comments and simplify logic.
1951
1952 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1953
1954         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1955         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1956         (main_tree_if_conversion): Update call to tree_if_conversion.
1957
1958 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1959
1960         PR 42485
1961         * doc/invoke.texi (-b,-V): Delete.
1962         * doc/tm.texi: Do not mention -b.
1963         * gcc.c (display_help): Delete -b and -V.
1964         (process_command): Delete -b and -V.
1965         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1966
1967 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1968             Wolfgang Gellerich  <gellerich@de.ibm.com>
1969
1970         Implement target hook for loop unrolling
1971         * target.h (loop_unroll_adjust): Add a new target hook function.
1972         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1973         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1974         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1975         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1976         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1977         target hook.
1978         (decide_unroll_stupid): Likewise.
1979
1980 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1981
1982         PR target/43643
1983         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1984
1985 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1986
1987         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1988         (Specific, *-*-solaris2*): Likewise.
1989         Don't prefer Sun as over GNU as.
1990
1991 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1992
1993         * config/s390/s390.c (override_options): Adjust the z10
1994           defaults for max-unroll-times, max-completely-peeled-insns
1995           and max-completely-peel-times.
1996
1997 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1998
1999         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2000         instructions for z10.
2001         (s390_expand_setmem): Likewise.
2002         (s390_expand_cmpmem): Likewise.
2003
2004 2010-04-08  Richard Guenther  <rguenther@suse.de>
2005
2006         PR tree-optimization/43679
2007         * tree-ssa-pre.c (eliminate): Only propagate copies.
2008
2009 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR bootstrap/43681
2012         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2013         set but not used variable warning.
2014
2015 2010-04-08  Wei Guozhi  <carrot@google.com>
2016
2017         PR target/41653
2018         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2019         (arm_size_rtx_costs): Call the new function when optimized for size.
2020
2021 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR debug/43670
2024         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2025         op0 is not a MEM, just return NULL instead of assertion
2026         failure.
2027         (discover_nonconstant_array_refs): Don't walk debug stmts.
2028
2029 2010-04-08  Doug Kwan  <dougkwan@google.com>
2030
2031         * configure.ac: Recognize gold and do not use its version number
2032         to test ld features.
2033         * configure: Regenerate.
2034
2035 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2036
2037         PR middle-end/40815
2038         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2039         (negate_value): Move code to push elements to broken_up_substracts ...
2040         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2041         negative pair to plus_negates.
2042         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2043
2044 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2045
2046         * doc/install.texi (Configuration): Move description of
2047         --enable-lto, --with-libelf*, --enable-gold from Java section to
2048         general section.
2049
2050         * doc/generic.texi (Working with declarations)
2051         (Function Properties, C and C++ Trees): Fix typos.
2052         * doc/sourcebuild.texi (Top Level): Likewise.
2053
2054 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2055
2056         PR c/18624
2057         * tree.h (DECL_READ_P): Define.
2058         (struct tree_decl_common): Add decl_read_flag.
2059         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2060         a set but not used warning.
2061         (merge_decls): Merge DECL_READ_P flag.
2062         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2063         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2064         * c-common.c (handle_used_attribute, handle_unused_attribute):
2065         Likewise.
2066         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2067         New prototypes.
2068         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2069         New functions.
2070         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2071         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2072         c_parser_binary_expression, c_parser_cast_expression,
2073         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2074         Call default_function_array_read_conversion instead of
2075         default_function_array_conversion where needed.
2076         (c_parser_unary_expression, c_parser_conditional_expression,
2077         c_parser_postfix_expression_after_primary, c_parser_initelt):
2078         Likewise.  Call mark_exp_read where needed.
2079         (c_parser_statement_after_labels, c_parser_asm_operands,
2080         c_parser_typeof_specifier, c_parser_sizeof_expression,
2081         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2082         where needed.
2083         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2084         New.
2085         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2086         (warn_unused_but_set_parameter): Default to warn_unused
2087         && extra_warnings.
2088         * doc/invoke.texi: Document -Wunused-but-set-variable and
2089         -Wunused-but-set-parameter.
2090
2091         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2092         used count variable.
2093         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2094         when operandN variables aren't used in the body of the expander
2095         or splitter.
2096         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2097         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2098         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2099         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2100         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2101         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2102         * tree.c (PROCESS_ARG): Likewise.
2103
2104 2010-04-07  Simon Baldwin  <simonb@google.com>
2105
2106         * diagnostic.h (diagnostic_override_option_index): New macro to
2107         set a diagnostic's option_index.
2108         * c-tree.h (c_cpp_error): Add warning reason argument.
2109         * opts.c (_warning_as_error_callback): New.
2110         (register_warning_as_error_callback): Store callback for
2111         warnings enabled via enable_warning_as_error.
2112         (enable_warning_as_error): Call callback, minor code tidy.
2113         * opts.h (register_warning_as_error_callback): Declare.
2114         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2115         response to -Werror=.
2116         (c_common_init_options): Register warning_as_error_callback in opts.c.
2117         * common.opt: Add -Wno-cpp option.
2118         * c-common.c (struct reason_option_codes_t): Map cpp warning
2119         reason codes to gcc option indexes.
2120         * (c_option_controlling_cpp_error): New function, lookup the gcc
2121         option index for a cpp warning reason code.
2122         * (c_cpp_error): Add warning reason argument, call
2123         c_option_controlling_cpp_error for diagnostic_override_option_index.
2124         * doc/invoke.texi: Document -Wno-cpp.
2125
2126 2010-04-07  Richard Guenther  <rguenther@suse.de>
2127
2128         * ipa-reference.c (mark_load): Use get_base_address.
2129         (mark_store): Likewise.
2130
2131         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2132         inserting GIMPLE_NOPs into the IL.
2133         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2134         Explicitly strip handled components and indirect references.
2135
2136         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2137         folding address expressions.
2138         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2139         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2140         operand_equal_p to compare decls.
2141         (ptr_deref_may_alias_decl_p): Likewise.
2142         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2143         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2144         Handle reversed comparison ops.
2145         * tree-sra.c (asm_visit_addr): Use get_base_address.
2146         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2147         * ipa-reference.c (mark_address): Use get_base_address.
2148
2149 2010-04-07  Richard Guenther  <rguenther@suse.de>
2150
2151         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2152         Propagate constants everywhere.
2153
2154 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2155
2156         PR debug/43516
2157         * tree.c (MAX_INT_CACHED_PREC): Define.
2158         (nonstandard_integer_type_cache): New array.
2159         (build_nonstandard_integer_type): Cache results for precision
2160         <= MAX_INT_CACHED_PREC.
2161
2162 2010-04-07  Richard Guenther  <rguenther@suse.de>
2163
2164         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2165         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2166         * common.opt: Likewise.
2167         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2168         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2169         (nonoverlapping_memrefs_p): Likewise.
2170         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2171         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2172         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2173         OPT_fargument_noalias_global for backward compatibility.
2174
2175 2010-04-07  Richard Guenther  <rguenther@suse.de>
2176
2177         PR tree-optimization/43270
2178         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2179         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2180         * tree-ssa-pre.c (phi_translate_1): Adjust.
2181         (fully_constant_expression): Split out vn_reference handling to ...
2182         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2183         Fold reads from constant strings.
2184         (vn_reference_lookup): Handle fully constant references.
2185         (vn_reference_lookup_pieces): Likewise.
2186         * Makefile.in (expmed.o-warn): Add -Wno-error.
2187
2188 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2189
2190         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2191
2192 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2193
2194         PR driver/41594
2195         * gcc.c: Add -static-libstdc++ to list of recognized options.
2196
2197 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2198
2199         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2200
2201 2010-04-07  Richard Guenther  <rguenther@suse.de>
2202
2203         PR middle-end/42617
2204         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2205         bases build simple mem attributes to retain points-to information.
2206
2207 2010-04-07  Richard Guenther  <rguenther@suse.de>
2208
2209         PR middle-end/42617
2210         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2211         preserve points-to related information.
2212
2213 2010-04-07  Richard Guenther  <rguenther@suse.de>
2214
2215         PR middle-end/42617
2216         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2217         discard plain indirect references.
2218         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2219         * tree.c (tree_nop_conversion): Likewise.
2220
2221 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2222
2223         PR debug/43628
2224         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2225
2226 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2227
2228         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2229         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2230
2231 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2232
2233         * tree-if-conv.c: Fix indentation and comments.
2234
2235 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2236
2237         * tree-if-conv.c: Sort static functions in topological order.
2238
2239 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2240
2241         * tree-if-conv.c: Fix indentation and comments.
2242
2243 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2244
2245         PR middle-end/43519
2246         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2247         lang_hooks.types.type_for_size instead of
2248         build_nonstandard_integer_type.
2249         When converting an unsigned type to signed, double its precision.
2250         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2251         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2252         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2253         use lb <= ub.
2254
2255 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2256
2257         PR middle-end/43519
2258         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2259         POINTER_PLUS_EXPR for pointer types.
2260
2261 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         PR middle-end/43519
2264         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2265         * graphite-clast-to-gimple.c: Include langhooks.h.
2266         (max_signed_precision_type): New.
2267         (max_precision_type): Takes two types as arguments.
2268         (precision_for_value): New.
2269         (precision_for_interval): New.
2270         (gcc_type_for_interval): New.
2271         (gcc_type_for_value): New.
2272         (gcc_type_for_clast_term): New.
2273         (gcc_type_for_clast_red): New.
2274         (gcc_type_for_clast_bin): New.
2275         (gcc_type_for_clast_expr): Split up into several functions.
2276         (gcc_type_for_clast_eq): Rewritten.
2277         (compute_bounds_for_level): New.
2278         (compute_type_for_level_1): New.
2279         (compute_type_for_level): New.
2280         (gcc_type_for_cloog_iv): Removed.
2281         (gcc_type_for_iv_of_clast_loop): Rewritten.
2282         (graphite_create_new_loop): Compute the lower and upper bound types
2283         with gcc_type_for_clast_expr.
2284         (graphite_create_new_loop_guard): Same.
2285         (find_cloog_iv_in_expr): Removed.
2286         (compute_cloog_iv_types_1): Removed.
2287         (compute_cloog_iv_types): Removed.
2288         (gloog): Do not call compute_cloog_iv_types.
2289         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2290         GBB_CLOOG_IV_TYPES.
2291         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2292         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2293         (GBB_CLOOG_IV_TYPES): Removed.
2294
2295 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2296
2297         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2298         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2299         (detect_commutative_reduction): Same.
2300
2301 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2304         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2305         argument.
2306         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2307         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2308         (rewrite_commutative_reductions_out_of_ssa): Same.
2309         * passes.c (execute_function_todo): Call verify_ssa for every pass
2310         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2311         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2312         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2313         with an extra argument.
2314         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2315         verify_ssa only when the extra argument is true.
2316         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2317         with an extra argument.
2318         (tree_transform_and_unroll_loop): Same.
2319
2320 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2321
2322         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2323         for all the passes of the LNO having LOOP_CLOSED_SSA.
2324         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2325         * tree-loop-distribution.c (pass_loop_distribution): Same.
2326         * tree-pass.h (TODO_verify_loops): Removed.
2327         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2328         (pass_lim): Same.
2329         (pass_tree_unswitch): Same.
2330         (pass_predcom): Same.
2331         (pass_vectorize): Same.
2332         (pass_linear_transform): Same.
2333         (pass_graphite_transforms): Same.
2334         (pass_iv_canon): Same.
2335         (pass_complete_unroll): Same.
2336         (pass_complete_unrolli): Same.
2337         (pass_parallelize_loops): Same.
2338         (pass_loop_prefetch): Same.
2339         (pass_iv_optimize): Same.
2340
2341 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2342
2343         PR middle-end/32824
2344         * passes.c (init_optimization_passes): Move pass_lim before
2345         pass_copy_prop and pass_dce_loop.
2346
2347 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR target/43667
2350         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2351         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2352         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2353         MULTI_* defines for 4 argument vpermil2p* builtins.
2354
2355 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2356
2357         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2358         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2359         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2360         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2361         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2362         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2363         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2364         Use x86_maybe_negate_const_int to output insn mnemonic.
2365         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2366         check from instruction predicate.  Update comments.
2367         * config/i386/sync.md (sync_add<mode>): Use
2368         x86_maybe_negate_const_int to output insn mnemonic.
2369
2370 2010-04-06  Jan Hubicka  <jh@suse.cz>
2371
2372         PR tree-optimization/42906
2373         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2374         IGNORE_SELF argument.  Set visited_control_parents for fully
2375         processed BBs.
2376         (find_obviously_necessary_stmts): Update call of
2377         mark_control_dependent_edges_necessary.
2378         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2379
2380 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         * config/i386/i386.md: Remove comment about 'e' and 'E'
2383         operand modifier.
2384
2385 2010-04-06  Richard Guenther  <rguenther@suse.de>
2386
2387         PR tree-optimization/43627
2388         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2389         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2390         not varying.
2391
2392 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2393
2394         * BASE-VER: Change to 4.6.0.
2395
2396         PR target/43638
2397         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2398         handling.
2399
2400 2010-04-06  Richard Guenther  <rguenther@suse.de>
2401
2402         PR middle-end/43661
2403         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2404
2405 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2406
2407         * doc/invoke.texi (Optimize Options): Document that LTO
2408         won't remove object access purely due to incompatible
2409         declarations.
2410
2411 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2412
2413         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2414         Initialize variable.
2415
2416 2010-04-03  Richard Guenther  <rguenther@suse.de>
2417
2418         PR middle-end/42509
2419         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2420         require a non-NULL MEM_OFFSET.
2421
2422 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2423
2424         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2425         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2426         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2427         config/alpha/predicates.md, config/arm/arm.md,
2428         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2429         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2430         config/darwin9.h, config/darwin.c, config/darwin.h,
2431         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2432         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2433         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2434         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2435         config/mips/mips.md, config/mn10300/mn10300.c,
2436         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2437         config/rs6000/aix.h, config/rs6000/dfp.md,
2438         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2439         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2440         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2441         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2442         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2443         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2444         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2445         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2446         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2447         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2448         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2449         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2450         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2451         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2452         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2453         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2454         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2455         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2456         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2457         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2458         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2459         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2460         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2461         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2462         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2463         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2464         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2465         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2466         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2467         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2468         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2469         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2470         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2471         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2472         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2473         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2474
2475 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2476
2477         PR other/43620
2478         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2479         * aclocal.m4: Regenerate.
2480
2481 2010-04-02  Richard Guenther  <rguenther@suse.de>
2482
2483         PR tree-optimization/43629
2484         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2485         if we have seen a constant value.
2486
2487 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2488
2489         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2490
2491 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2492
2493         PR target/43469
2494         * arm.c (legitimize_tls_address): Adjust call to
2495         gen_tls_load_dot_plus_four.
2496         (arm_note_pic_base): New function.
2497         (arm_cannot_copy_insn_p): Use it.
2498         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2499         constraint.
2500
2501 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2502
2503         PR bootstrap/43531
2504
2505         Revert:
2506         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2507
2508         * Makefile.in ($(out_object_file)): Depend on
2509         gt-$(basename $(notdir $(out_file))).h.
2510
2511 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2512
2513         * config.gcc (lm32-*-rtems*): Add t-lm32.
2514
2515 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2516
2517         * config.gcc: Add lm32-*-rtems*.
2518         * config/lm32/rtems.h: New file.
2519
2520 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2521
2522         PR target/42609
2523         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2524
2525 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2526
2527         * dwarf2out.c (output_compilation_unit_header): For
2528         -gdwarf-4 use version 4 instead of version 3.
2529         (output_line_info): For version 4 and above emit additional
2530         maximum ops per insn header field.
2531         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2532
2533         * dwarf2out.c (is_c_family, is_java): Remove.
2534         (lower_bound_default): New function.
2535         (add_bound_info, gen_descr_array_type_die): Use it.
2536
2537 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2538
2539         PR debug/43325
2540         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2541         re-declaration when it happens in a function.
2542
2543 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2544
2545         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2546         (cgraph_remove_function_insertion_hook): Same.
2547         (cgraph_call_function_insertion_hooks): Same.
2548
2549 2010-04-01  Richard Guenther  <rguenther@suse.de>
2550
2551         PR middle-end/43614
2552         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2553         and TREE_THIS_VOLATILE.
2554         (copy_ref_info): Likewise.
2555         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2556         * tree.c (build6_stat): Ignore side-effects of all but arg5
2557         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2558         TARGET_MEM_REF.
2559
2560 2010-04-01  Richard Guenther  <rguenther@suse.de>
2561
2562         PR tree-optimization/43607
2563         * ipa-type-escape.c (check_call): Do not access non-existing
2564         arguments.
2565
2566 2010-04-01  Richard Guenther  <rguenther@suse.de>
2567
2568         PR middle-end/43602
2569         Revert
2570         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2571                     Jack Howarth <howarth@bromo.med.uc.edu>
2572
2573         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2574         variables TLS.
2575
2576 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2577
2578         * doc/install.texi (Prerequisites): Document libelf usability on
2579         IRIX 5/6 and Solaris 2.
2580         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2581         Update GNU as, GNU ld requirements.
2582         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2583         Document Sun Studio compiler download.
2584         Update and simplify as, ld recommendations.
2585         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2586
2587 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2588
2589         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2590         with_tune_32 to pentium4.
2591
2592 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2593
2594         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2595
2596 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2597
2598         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2599         obsoletion, removal.
2600         Update IDO URL.
2601         Document GNU as requirement.
2602         Update configure requirements.
2603         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2604         Recomment IRIX 6.5.18+.
2605         Document IDF/IDL requirement.
2606         Document GNU as requirement.
2607         Document GNU ld bootstrap failure.
2608         Remove freeware.sgi.com reference.
2609
2610 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2611
2612         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2613         UNIX V4.0, V5.0 obsoletion, removal.
2614         Remove --with-gc=simple reference.
2615         Update VM requirements during bootstrap.
2616         Remove -oldas bootstrap description.
2617         Update binutils reference.
2618         Remove comparison failure note.
2619
2620 2010-03-31  Richard Guenther  <rguenther@suse.de>
2621             Zdenek Dvorak  <ook@ucw.cz>
2622             Sebastian Pop  <sebastian.pop@amd.com>
2623
2624         PR middle-end/43464
2625         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2626         with multiple arguments.
2627         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2628
2629 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2630
2631         * graphite-dependences.c (print_pddr): Call print_pdr with an
2632         extra argument.
2633         * graphite-poly.c (debug_pdr): Add an extra argument for the
2634         verbosity level.
2635         (print_pdr): Same.
2636         (print_pbb_domain): Same.
2637         (print_pbb): Same.
2638         (print_scop_context): Same.
2639         (print_scop): Same.
2640         (print_cloog): Same.
2641         (debug_pbb_domain): Same.
2642         (debug_pbb): Same.
2643         (print_pdrs): Same.
2644         (debug_pdrs): Same.
2645         (debug_scop_context): Same.
2646         (debug_scop): Same.
2647         (debug_cloog): Same.
2648         (print_scop_params): Same.
2649         (debug_scop_params): Same.
2650         (print_iteration_domain): Same.
2651         (print_iteration_domains): Same.
2652         (debug_iteration_domain): Same.
2653         (debug_iteration_domains): Same.
2654         (print_scattering_function): Same.
2655         (print_scattering_functions): Same.
2656         (debug_scattering_function): Same.
2657         (debug_scattering_functions): Same.
2658         * graphite-poly.h (debug_pdr): Update declaration.
2659         (print_pdr): Same.
2660         (print_pbb_domain): Same.
2661         (print_pbb): Same.
2662         (print_scop_context): Same.
2663         (print_scop): Same.
2664         (print_cloog): Same.
2665         (debug_pbb_domain): Same.
2666         (debug_pbb): Same.
2667         (print_pdrs): Same.
2668         (debug_pdrs): Same.
2669         (debug_scop_context): Same.
2670         (debug_scop): Same.
2671         (debug_cloog): Same.
2672         (print_scop_params): Same.
2673         (debug_scop_params): Same.
2674         (print_iteration_domain): Same.
2675         (print_iteration_domains): Same.
2676         (debug_iteration_domain): Same.
2677         (debug_iteration_domains): Same.
2678         (print_scattering_function): Same.
2679         (print_scattering_functions): Same.
2680         (debug_scattering_function): Same.
2681         (debug_scattering_functions): Same.
2682
2683 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2684
2685         * graphite-poly.c (print_scattering_function_1): New.
2686         (print_scattering_function): Call it.
2687         (print_scop_params): Remove spaces at the end of lines.
2688         (print_cloog): New.
2689         (debug_cloog): New.
2690         * graphite-poly.h (print_cloog): Declared.
2691         (debug_cloog): Declared.
2692
2693 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2694
2695         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2696         in loop->header.
2697         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2698         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2699         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2700         to switch between adding the IV bump in loop->latch or in loop->header.
2701
2702 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-poly.c (print_scattering_function): Pretty print following
2705         the scoplib format.
2706         (print_pdr): Same.
2707         (print_pbb_domain): Same.
2708         (dump_gbb_cases): Same.
2709         (dump_gbb_conditions): Same.
2710         (print_pdrs): Same.
2711         (print_pbb): Same.
2712         (print_scop_params): Same.
2713         (print_scop_context): Same.
2714         (print_scop): Same.
2715         (print_pbb_body): New.
2716         (lst_indent_to): New.
2717         (print_lst): Start new lines with a #.
2718         * graphite-poly.h (pbb_bb): New.
2719         (pbb_index): Use pbb_bb.
2720         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2721         disjuncts.
2722         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2723
2724 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2725
2726         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2727         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2728         and 0 instead of 1 for dw_val_class_flag.
2729         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2730         dw_val_class_range_list, dw_val_class_loc_list,
2731         dw_val_class_lineptr and dw_val_class_macptr, use
2732         DW_FORM_flag_present for dw_val_class_flag and
2733         DW_FORM_exprloc for dw_val_class_loc.
2734         (output_die): For -gdwarf-4 print dw_val_class_loc
2735         size as uleb128 instead of 1 or 2 bytes and don't print
2736         anything for dw_val_class_flag.
2737
2738         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2739         instead of cselib_lookup following by tweaking locs->setting_insn.
2740
2741         PR bootstrap/43596
2742         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2743         even before returning from label, setjmp call or volatile asm
2744         handling.
2745
2746 2010-03-31  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/43600
2749         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2750         temporary data on stack.
2751
2752 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2753
2754         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2755         (PUSHSECTION_ASM_OP): Remove.
2756         (POPSECTION_ASM_OP): Remove.
2757         (PUSHSECTION_FORMAT): Remove.
2758         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2759         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2760         * config/sol2.c (solaris_output_init_fini): Use it.
2761
2762 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2763
2764         PR 43574
2765         * opt-functions.awk (var_type_struct): Use signed char type
2766         for simple variables.
2767
2768 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2769
2770         * config/sol2.c: Include output.h.
2771         (solaris_assemble_visibility): New function.
2772         * config/t-sol2 (sol2.o): Add output.h dependency.
2773         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2774         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2775         Redefine.
2776
2777 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2778
2779         PR target/43580
2780         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2781         V2SImode or XFmode on PRE_DEC.
2782
2783         PR debug/43557
2784         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2785         BLKmode.
2786
2787 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2788
2789         PR 43562
2790         * reload.h (caller_save_initialized_p): Declare.
2791         * toplev.c (backend_init_target): Don't call
2792         init_caller_save but set caller_save_initialized_p to false.
2793         * caller-save.c (caller_save_initialized_p): Define.
2794         (init_caller_save): Check caller_save_initialized_p.
2795         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2796
2797 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2798
2799         PR target/39048
2800         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2801         and soft-fp/t-softfp to tmake_file.
2802         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2803         (LIBGCC2_TF_CEXT): Define.
2804         (TF_SIZE): Define.
2805
2806 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2807
2808         PR debug/42977
2809         * cselib.c (n_useless_values): Document handling of debug locs.
2810         (n_useless_debug_values, n_debug_values): New variables.
2811         (new_elt_loc_list): Don't add to debug values, keep count.
2812         (promote_debug_loc): New.
2813         (cselib_reset_table): Zero new variables.
2814         (entry_and_rtx_equal_p): Promote debug locs.
2815         (discard_useless_locs): Increment n_useless_debug_values for
2816         debug values.
2817         (remove_useless_values): Adjust n_useless_values and n_debug_values
2818         with n_useless_debug_values.
2819         (add_mem_for_addr): Promote debug locs.
2820         (cselib_lookup_mem): Likewise.
2821         (cselib_lookup_addr): Renamed to...
2822         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2823         (cselib_log_lookup): ... this.  Turn into...
2824         (cselib_lookup_addr): ... new wrapper.
2825         (cselib_lookup_from_insn): New.
2826         (cselib_invalidate_regno): Increment n_useless_debug_values for
2827         debug values.
2828         (cselib_invalidate_mem): Likewise.
2829         (cselib_process_insn): Take n_deleted and n_debug_values into
2830         account to guard remove_useless_value call.
2831         (cselib_finish): Zero n_useless_debug_values.
2832         * cselib.h (cselib_lookup_from_insn): Declare.
2833         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2834         (sched_analyze_2): Likewise.
2835
2836 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2837
2838         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2839         functions.
2840         (adjust_mems): Replace narrowing SUBREG of expression containing
2841         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2842         with operations in the narrower mode.
2843
2844         PR debug/43593
2845         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2846         regs_invalidated_by_call instead all call_used_reg_set registers.
2847
2848 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2849
2850         PR middle-end/43430
2851         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2852         pointer comparisons with types_compatible_p.
2853         * tree-vect-stmts.c (vectorizable_call): Same.
2854         (vectorizable_condition): Same.
2855
2856 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2857
2858         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2859         stack check if the mask would be zero.
2860
2861 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2862             Jack Howarth <howarth@bromo.med.uc.edu>
2863
2864         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2865         variables TLS.
2866
2867 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2868
2869         PR other/25232
2870         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2871         and __unordtf2.
2872         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2873         Include ___unordxf2 and ___unordtf2.
2874         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2875         GCC_4.4.0 here.
2876
2877 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2878
2879         * config/lm32/t-lm32: New file.
2880         * config.gcc: Use the above file when targetting lm32.
2881
2882 2010-03-28  Duncan Sands  <baldrick@free.fr>
2883
2884         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2885
2886 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2887
2888         PR middle-end/43431
2889         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2890         Improve vectorization cost model diagnostic.
2891
2892 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         PR middle-end/43436
2895         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2896         compute_data_dependences_for_loop returns false, early exit
2897         and output an extra diagnostic for the failed data reference
2898         analysis.
2899
2900 2010-03-29  Richard Guenther  <rguenther@suse.de>
2901
2902         PR tree-optimization/43560
2903         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2904         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2905
2906 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2907
2908         PR 43564
2909         * toplev.c (process_options): Set optimization_default_node
2910         and optimization_current_node.
2911         * opts.c (decode_options): Don't set optimization_default_node
2912         and optimization_current_node.
2913
2914 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2915
2916         * config/rtems.h: Abandon -qrtems_debug.
2917
2918 2010-03-28  Jan Hubicka  <jh@suse.cz>
2919
2920         PR tree-optimization/43505
2921         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2922         map should not be copied.
2923
2924 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2925
2926         PR middle-end/41674
2927         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2928         cdtors, set DECL_PRESERVE_P.
2929         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2930         should be preseved.
2931
2932 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2933
2934         PR tree-optimization/43528
2935         * stor-layout.c (place_field): Check that constant fits into
2936         unsigned HWI when skipping calculation of MS bitfield layout.
2937
2938 2010-03-27  Jan Hubicka  <jh@suse.cz>
2939
2940         PR middle-end/43391
2941         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2942         notice_global_symbol work.
2943
2944 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2945
2946         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2947         instead of dwarf2out_decl.
2948         (struct var_loc_node): Remove section_label field.
2949         (dwarf2out_function_decl): New function.
2950         (dwarf2out_var_location): Don't set section_label field.
2951         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2952
2953 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2954
2955         PR tree-optimization/43544
2956         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2957         First argument for builtin vectorized function hook is now a
2958         tree to be able to distinguish between machine specific and
2959         standard builtins.
2960         * targhooks.c (default_builtin_vectorized_function): Ditto.
2961         * targhooks.h (default_builtin_vectorized_function): Ditto.
2962         * target.h (struct gcc_target): Ditto.
2963         * tree-vect-stmts.c (vectorizable_function): Ditto.
2964         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2965         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2966         Ditto.
2967
2968 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2969
2970         PR c/43381
2971         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2972         nested binding iff it is a FUNCTION_DECL.
2973         (store_parm_decls_newstyle): Pass nested=true to bind for
2974         FUNCTION_DECLs amongst parameters.
2975
2976 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2977
2978         * var-tracking.c (vt_expand_loc_callback): Don't run
2979         cselib_expand_value_rtx_cb in dummy mode if
2980         cselib_dummy_expand_value_rtx_cb returned false.
2981
2982         * var-tracking.c (emit_note_insn_var_location): For one part
2983         notes with offset 0, don't add EXPR_LIST around the location.
2984         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2985         add_location_or_const_value_attribute): Adjust for that change.
2986
2987         PR debug/43540
2988         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2989         into first operand and location into second.
2990         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2991         dw_cfi_oprnd_loc for DW_CFA_expression.
2992         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2993         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2994         assume first argument is regnum and second argument is location.
2995
2996 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2997
2998         PR target/42113
2999         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3000         of scratch register to DImode.  Split to DImode comparison operator.
3001         Use SImode subreg of scratch register in the multiplication.
3002         (*cmp_sadd_sidi): Ditto.
3003         (*cmp_ssub_si): Ditto.
3004         (*cmp_ssub_sidi): Ditto.
3005
3006 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3007
3008         PR target/43524
3009         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3010         Remove invalid assert and wrong comment.
3011
3012 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3013
3014         PR debug/43516
3015         * flags.h (final_insns_dump_p): New extern.
3016         * final.c (final_insns_dump_p): New variable.
3017         (rest_of_clean_state): Set it before -fdump-final-insns=
3018         dumping, clear afterwards.
3019         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3020         MEM_ALIAS_SET on MEMs.
3021
3022 2010-03-26  David S. Miller  <davem@davemloft.net>
3023
3024         * configure.ac: Fix sparc GOTDATA_OP bug check.
3025         * configure: Rebuild.
3026
3027 2010-03-26  Alan Modra  <amodra@gmail.com>
3028
3029         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3030
3031 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3032
3033         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3034         TLS_SECTION_ASM_FLAG.
3035
3036 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3037
3038         PR bootstrap/43511
3039         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3040         Clear first_function_block_is_cold.
3041
3042         PR c/43385
3043         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3044         argument if the argument is truth_value_p.
3045
3046 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3047
3048         * config/rs6000/constraints.md: Update copyright year for my changes.
3049
3050         PR target/43484
3051         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3052         used in reg+reg addressing, swap registers.
3053
3054 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3055
3056         PR debug/43293
3057         * target.h (struct gcc_target): Add code_end hook.
3058         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3059         if not yet defined.
3060         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3061         * toplev.c (compile_file): Call targetm.asm_out.code_end
3062         hook before unwind info/debug info output.
3063         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3064         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3065         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3066         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3067         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3068         * config/i386/i386.c (ix86_file_end): Renamed to...
3069         (ix86_code_end): ... this.  Make static.  Don't call
3070         file_end_indicate_exec_stack.  Emit unwind info using
3071         final_start_function/final_end_function.
3072         (darwin_x86_file_end): Remove.
3073         (TARGET_ASM_CODE_END): Define.
3074         * config/i386/i386.h (TARGET_ASM_FILE_END,
3075         NEED_INDICATE_EXEC_STACK): Don't define.
3076         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3077         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3078         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3079         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3080
3081         PR target/43498
3082         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3083         at the beginning and final_end_function at the end.
3084         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3085
3086 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3087
3088         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3089         and Sun as TLS syntax.
3090         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3091         * configure: Regenerate.
3092         * config.in: Regenerate.
3093         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3094         (default_elf_asm_named_section): Use it.
3095         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3096         (i386_output_dwarf_dtprel): Likewise.
3097         (output_addr_const_extra): Likewise.
3098         (output_pic_addr_const): Lowercase @GOTTPOFF.
3099         (output_addr_const_extra): Likewise.
3100         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3101         (output_addr_const_extra): Likewise.
3102         (output_pic_addr_const): Lowercase @INDNTPOFF.
3103         (output_addr_const_extra): Likewise.
3104         (output_pic_addr_const): Lowercase @NTPOFF.
3105         (output_addr_const_extra): Likewise.
3106         (output_pic_addr_const): Lowercase @TPOFF.
3107         (output_addr_const_extra): Likewise.
3108         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3109         (*tls_global_dynamic_64): Likewise.
3110         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3111         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3112
3113         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3114         (ASM_OUTPUT_TLS_COMMON): Use it.
3115         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3116
3117         PR target/38118
3118         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3119         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3120         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3121         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3122         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3123         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3124
3125 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3126
3127         * config/i386/i386.c (override_options): Don't accept
3128         -mtls-dialect=sun any longer.
3129         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3130         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3131         (*tls_local_dynamic_base_32_sun): Likewise.
3132         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3133
3134 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3135
3136         PR debug/43508
3137         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3138         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3139
3140         PR debug/43479
3141         * ira.c (adjust_cleared_regs): New function.
3142         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3143
3144         PR debug/19192
3145         PR debug/43479
3146         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3147         from gimple_block.
3148         * expr.c (expand_expr_real): Restore previous
3149         curr_insn_source_location and curr_insn_block after
3150         expand_expr_real_1 call.
3151         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3152         instead of expand_expr_real_1.
3153
3154 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3155
3156         PR rtl-optimization/43413
3157         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3158         hard regs too.
3159
3160 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3161
3162         PR target/43348
3163         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3164         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3165
3166 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3167
3168         * config/i386/i386.c (ix86_target_string): Add -mfma.
3169         Fix a typo in comment.
3170
3171 2010-03-22  Mike Stump  <mikestump@comcast.net>
3172
3173         PR target/23071
3174         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3175         Don't overly align based upon packed packed fields.
3176
3177 2010-03-22  Jason Merrill  <jason@redhat.com>
3178
3179         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3180         Use () rather than [], and move before the element type.
3181
3182 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3183
3184         * doc/configfiles.texi (Configuration Files): Removed
3185         fixinc/Makefile*, intl/Makefile.*.
3186         * doc/makefile.texi: Fixed markup. Abstract from version
3187         control system used.
3188         (Makefile): Removed obsolete gcc/java/parse.y example.
3189         * doc/sourcebuild.texi: Likewise.
3190         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3191         libgomp, libssp.  Removed fastjar.
3192         (Miscellaneous Docs): Clarify location.
3193         Added COPYING3, COPYING3.LIB.
3194         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3195
3196 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3197
3198         PR target/38085
3199         * config/i386/i386.c (x86_function_profiler)
3200         [!NO_PROFILE_COUNTERS]: Fix typo.
3201         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3202         instead of callq.
3203
3204 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3205             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3206
3207         * doc/sourcebuild.texi (Test Directives): Split into six
3208         subsections, with most of the current text in new subsections
3209         Directives, Selectors, and Final Actions.
3210         (Directives): Split list of test directives into multiple
3211         subsubsections.
3212         (Selectors): Describe use and syntax of selectors.
3213         (Effective-Target Keywords): Describe all existing keywords.
3214         (Add Options): Describe features for dg-add-options.
3215         (Require Support): Describe variants of dg-require-support.
3216         (Final Actions): Describe commands to use in dg-final.
3217
3218 2010-03-22  Michael Matz  <matz@suse.de>
3219
3220         PR middle-end/43475
3221         * recog.c (validate_replace_rtx_group): Replace also in
3222         REG_EQUAL and REG_EQUIV notes.
3223
3224 2010-03-22  Richard Guenther  <rguenther@suse.de>
3225
3226         PR tree-optimization/43390
3227         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3228         sure vector extracts are type correct.
3229
3230 2010-03-22  Richard Guenther  <rguenther@suse.de>
3231
3232         PR middle-end/40106
3233         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3234         x * sqrt (x) even when optimizing for size if the target
3235         has native support for sqrt.
3236
3237 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3238
3239         * varasm.c (make_decl_rtl_for_debug): Also clear
3240         flag_mudflap for the duration of make_decl_rtl call.
3241
3242         PR debug/43443
3243         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3244         locs from preserved VALUEs.
3245
3246 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3247
3248         PR middle-end/42718
3249         * pa.md (movmemsi): Set align to one if zero.
3250         (movmemdi): Likewise.
3251
3252 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3253
3254         PR target/42321
3255         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3256         with their corresponding prologue pushes.
3257
3258 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3259
3260         PR target/43156
3261         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3262         at the begining or end.
3263         (spu_expand_epilogue): Likewise.
3264
3265 2010-03-20  Richard Guenther  <rguenther@suse.de>
3266
3267         PR rtl-optimization/43438
3268         * combine.c (make_extraction): Properly zero-/sign-extend an
3269         extraction of the low part of a CONST_INT.  Also handle
3270         CONST_DOUBLE.
3271
3272 2010-03-19  Mike Stump  <mikestump@comcast.net>
3273
3274         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3275         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3276         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3277
3278 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3279
3280         PR c/43211
3281         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3282         an error.
3283
3284 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3285
3286         PR rtl-optimization/42258
3287         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3288         use that may match DEF.
3289
3290         PR target/40697
3291         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3292         the cost of loading the constant rather than assuming
3293         COSTS_N_INSNS (1).
3294         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3295         outer code is AND, do the same tests as the andsi3 expander and
3296         return COSTS_N_INSNS (1) if and is cheap.
3297
3298         * optabs.c (avoid_expensive_constant): Fix formatting.
3299
3300 2010-03-19  Michael Matz  <matz@suse.de>
3301
3302         PR c++/43116
3303         * attribs.c (decl_attributes): When rebuilding a function pointer
3304         type use the same qualifiers as the original pointer type.
3305
3306 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3307
3308         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3309         and is_gimple_ip_invariant_address.
3310
3311 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3312
3313         Revert
3314         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3315
3316         * config/arm/arm.c (arm_override_options): Turn off
3317         flag_dwarf2_cfi_asm for AAPCS variants.
3318
3319 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3320
3321         PR target/43399
3322         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3323         Use PRE_MODIFY instead of PRE_DEC.
3324         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3325         (vfp_emit_fstmd): Likewise.
3326
3327 2010-03-19  Michael Matz  <matz@suse.de>
3328
3329         PR target/43305
3330         * builtins.c (expand_builtin_interclass_mathfn,
3331         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3332         if that fails.
3333
3334 2010-03-19  Richard Guenther  <rguenther@suse.de>
3335
3336         PR tree-optimization/43415
3337         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3338         (phi_translate_1): ... this.
3339         (phi_translate): Move all caching here.  Cache all NARY
3340         and REFERENCE translations.
3341
3342 2010-03-19  David S. Miller  <davem@davemloft.net>
3343
3344         With help from Eric Botcazou.
3345         * config/sparc/sparc.c: Include dwarf2out.h.
3346         (emit_pic_helper): Delete.
3347         (pic_helper_symbol_name): Delete.
3348         (pic_helper_emitted_p): Delete.
3349         (pic_helper_needed): New.
3350         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3351         (get_pc_thunk_name): New.
3352         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3353         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3354         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3355         (sparc_expand_prologue): Update load_pic_register call.
3356         (sparc_output_mi_thunk): Likewise.
3357         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3358         thunk if possible.  Output CFI information as needed.
3359
3360 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3361             Jack Howarth <howarth@bromo.med.uc.edu>
3362
3363         PR target/36399
3364         * config/i386/i386.h: Fix ABI on darwin x86-32.
3365
3366 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3367
3368         * tree.h: Declare make_decl_rtl_for_debug.
3369         * varasm.c (make_decl_rtl_for_debug): New.
3370         * dwarf2out.c (rtl_for_decl_location): Call it.
3371         * cfgexpand.c (expand_debug_expr): Call it.
3372
3373 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3374
3375         PR bootstrap/43399
3376         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3377         mem_mode.
3378
3379         PR bootstrap/43403
3380         * var-tracking.c (vt_init_cfa_base): Do nothing if
3381         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3382
3383 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3384
3385         PR debug/42873
3386         * var-tracking.c (canonicalize_vars_star): New.
3387         (dataflow_post_merge_adjust): Use it.
3388
3389 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3390
3391         PR debug/43058
3392         * var-tracking.c (non_suitable_const): New function.
3393         (add_uses): For DEBUG_INSNs with constants, don't record any
3394         value, instead just the constant value itself.
3395         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3396         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3397         (emit_notes_in_bb): Likewise.
3398         (emit_note_insn_var_location): For onepart variables if
3399         cur_loc is a VOIDmode constant, use DECL_MODE.
3400
3401 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3402
3403         PR middle-end/42450
3404         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3405         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3406         all non-clones.  Moved call redirection...
3407         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3408         (cgraph_materialize_all_clones): Dispose of all
3409         combined_args_to_skip bitmaps.
3410         (verify_cgraph_node): Do not check for edges pointing to wrong
3411         nodes in inline clones.
3412         * tree-inline.c (copy_bb): Call
3413         cgraph_redirect_edge_call_stmt_to_callee.
3414         * ipa.c (cgraph_remove_unreachable_nodes): Call
3415         cgraph_node_remove_callees even when there are used clones.
3416
3417 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3418
3419         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3420
3421 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3422
3423         PR target/43383
3424         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3425         for 32bit.
3426
3427 2010-03-18  Michael Matz  <matz@suse.de>
3428
3429         PR middle-end/43419
3430         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3431         into sqrt(x) if we need to preserve signed zeros.
3432
3433 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3434             Eric Botcazou  <ebotcazou@adacore.com>
3435
3436         PR rtl-optimization/43360
3437         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3438         note if we don't know its invariant status.
3439
3440 2010-03-18  Michael Matz  <matz@suse.de>
3441
3442         PR tree-optimization/43402
3443         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3444         PHI chains of ssa names registered for update.
3445
3446 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3447
3448         PR target/42427
3449         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3450         non-offsettable and pre_modify update addressing.