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2010-10-01 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-10-01  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/45854
4         * tree-eh.c (cleanup_empty_eh): Avoid degenerate case.
5
6 2010-10-01  Anthony Green  <green@moxielogic.com>
7
8         * config.gcc: Fix moxie-*-rtems* configuration.
9
10 2010-10-01  Richard Guenther  <rguenther@suse.de>
11
12         * dwarf2out.c (gen_namespace_die): Use DECL_FILE_SCOPE_P.
13         (gen_decl_die): Likewise.
14
15 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
16
17         * config/spu/spu.c (spu_init_builtins): No longer add END_BUILTINS
18         to the function code for SPU MD builtins.
19         (spu_expand_builtin): Update.
20         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Update.
21
22 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23
24         * config/spu/spu.c (TARGET_EXCEPT_UNWIND_INFO): Set to
25         sjlj_except_unwind_info.
26
27 2010-10-01  Tristan Gingold  <gingold@adacore.com>
28
29         * configure.ac: Define the nop insn for avr*-*-*
30         * configure: Regenerate.
31
32 2010-10-01  Alan Modra  <amodra@gmail.com>
33
34         PR target/45807
35         * config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign
36         extend toc_restore_insn.
37
38 2010-09-30  Richard Guenther  <rguenther@suse.de>
39
40         PR tree-optimization/43959
41         * function.c (gimplify_parameters): Use create_tmp_reg instead of
42         create_tmp_var.
43
44 2010-09-30  Kaz Kojima  <kkojima@gcc.gnu.org>
45
46         * config/sh/sh.c (sh_expand_prologue): Set
47         current_function_static_stack_size.
48
49 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
50
51         * configure.ac: Check for Solaris 8 ld with .hidden support.
52         * configure: Regenerate.
53
54 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
55
56         PR middle-end/45758
57         * graphite.c (graphite_initialize): Call scev_reset.
58
59 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
60
61         * sese.h (scev_analyzable_p): Return false for real or floating
62         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
63
64 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
65
66         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
67         and ps.
68         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
69         domain.
70         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
71         Do not allocate ub_expr, it is passed in initialized.
72
73 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
74
75         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
76         (build_cloog_prog): Dump CLooG input file when
77         flag_graphite_dump_cloog is set.  This is disabled on trunk.
78         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
79
80 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
81
82         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
83         verify_dominators for CDI_POST_DOMINATORS.
84         * sese.h: Remove comment about CDI_POST_DOMINATORS.
85         (recompute_all_dominators): Remove call to free_dominance_info
86         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
87         for CDI_POST_DOMINATORS.
88
89 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
90
91         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
92         over pbb_dim_iter_domain.
93
94 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
95
96         * graphite-flattening.c: Fix comments.
97
98 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
99
100         * Makefile.in (OBJS-common): Add graphite-flattening.o.
101         (graphite-flattening.o): New rule.
102         * common.opt (floop-flatten): New flag.
103         * doc/invoke.texi (-floop-flatten): Documented.
104         * graphite-flattening.c: New.
105         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
106         * graphite-poly.h (flatten_all_loops): Declared.
107         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
108         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
109         is set, also set flag_graphite.
110
111 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
112
113         * graphite-poly.c (cloog_checksum): New.
114         * graphite-poly.h (cloog_checksum): Declared.
115
116 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
117
118         * graphite-poly.c (pbb_number_of_iterations): Removed.
119         (pbb_number_of_iterations_at_time): Correctly compute the number
120         of iterations in the transformed loop.
121         * graphite-poly.h (pbb_number_of_iterations): Removed.
122
123 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
124
125         * graphite-poly.h (lst_update_scattering_seq): Removed.
126         (lst_update_scattering): Correctly handle outermost loop dewey
127         renumbering.
128
129 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
130
131         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
132         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
133         * graphite-poly.h (lst_niter_for_loop): New.
134
135 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
136
137         * graphite-poly.c (apply_poly_transforms): Do not abort when the
138         transform read from disk is not legal.  Call fatal_error instead.
139
140 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
141
142         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
143         (print_scop_header): Removed.  Inlined in the only call place...
144         (print_scop): ... here.
145
146 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
147
148         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
149
150 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
151
152         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
153
154 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
155
156         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
157         (dot_deps_stmt): Same.
158         * graphite-poly.c (dot_lst): Same.
159
160 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
161
162         * graphite-blocking.c (scop_do_strip_mine): Do not call
163         graphite_legal_transform.
164         (scop_do_block): Same.
165
166 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
167
168         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
169         description.
170
171 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
172
173         * tree-scalar-evolution.c (instantiate_array_ref): New.
174         (instantiate_scev_r): Also handle ARRAY_REFs.
175
176 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
177
178         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
179         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
180         RESULT_DECL, and FIELD_DECL.  Return false for an
181         SSA_NAME_IS_DEFAULT_DEF.
182         (compute_scalar_evolution_in_loop): Do not further analyze the
183         scalar evolution when no_evolution_in_loop_p returns true.
184
185 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
186
187         * tree-chrec.h (evolution_function_is_affine_p): Do not check
188         whether CHREC_LEFT is invariant.  A function is affine when
189         CHREC_RIGHT is invariant.
190
191 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
192
193         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
194         is_gimple_reg.
195         (rewrite_degenerate_phi): Same.
196         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
197
198 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
199
200         * graphite-scop-detection.c (graphite_can_represent_scev,
201         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
202         graphite_can_represent_loop): Remove outermost_loop.
203
204 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
205
206         PR middle-end/45229
207         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
208         handle GIMPLE_CALLs with no LHS.
209
210 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
211
212         * graphite-poly.c (init_graphite_out_file): New.
213         (init_graphite_in_file): New.
214         (apply_poly_transforms): Updated to enable reading and writing of
215         multiple scop files.
216
217 2010-09-30  Tobias Grosser  <grosser@fim.uni-passau.de>
218
219         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
220         redundant checks.
221
222 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
223
224         * graphite-clast-to-gimple.c (precision_for_value): Adjust
225         computation of precision by 1.
226
227 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
228
229         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
230         (openscop_read_polyhedron_matrix): New.
231         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
232         (openscop_read_N_int): Same.
233         * graphite-poly.c (openscop_read_N_int): New.
234         (openscop_read_one_int): New.
235         (openscop_read_N_string): New.
236         (openscop_read_one_string): New.
237         (openscop_read_powerset_matrix): New.
238         (graphite_read_transforms): Remove.
239         (graphite_read_scatt): New.
240         (graphite_read_scop_file): New.
241         (apply_poly_transforms): Updated to call graphite_read_scop_file.
242
243 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
244
245         * graphite-poly.c: Change include order.
246
247 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
248
249         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
250         (cloog_matrix_nrows): New.
251
252 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
253
254         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
255         from matrix lines.
256         * graphite-poly.c (openscop_print_scattering_function_1): Same.
257         (print_scattering_function_1): Same.
258         (openscop_print_pbb_domain): Same.
259         (openscop_print_scop_context): Same.
260         (print_scop_context): Same.
261
262 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
263
264         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
265         (openscop_print_pdr_polyhedron): Print pph.
266
267 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
268
269         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
270         priority signed types.
271
272 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
273
274         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove the call
275         to lang_hooks.types.type_for_size.  Call build_nonstandard_integer_type.
276
277 2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>
278
279         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
280         (openscop_print_polyhedron_matrix): New.
281         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
282         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
283         (openscop_print_pdr_powerset): New.
284         (openscop_print_powerset_matrix): New.
285         (openscop_print_scattering_function_1): New.
286         (print_scattering_function): Add support for scattering names and
287         OpenScop format.
288         (graphite_write_transforms): Remove.
289         (print_pdr_access_layout): Updated to support OpenScop format.
290         (print_pdr): Same.
291         (openscop_print_pbb_domain): New.
292         (print_pbb_body): Added a parameter to allow indicating that pbb_body is
293         not provided.
294         (print_pbb): Updated to call the new print_pbb_body.
295         (openscop_print_scop_context): New.
296         (print_scop_header): New.
297         (print_scop): Updated to call print_scop_header.
298         * graphite-poly.h: Document OpenScop format.
299
300 2010-09-30  Anatoly Sokolov  <aesok@post.ru>
301
302         * config/cris/m32c.c (cris_memory_move_cost): New.
303         (cris_register_move_cost): Make static. Change arguments type from
304         enum reg_class to reg_class_t.
305         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
306         * config/cris/cris.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
307         * config/cris/cris-protos.h (cris_register_move_cost): Remove.
308
309 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
310
311         PR target/45843
312         * config/i386/i386.c (ix86_gimplify_va_arg): Use
313         INTVAL (XEXP (slot, 1)) as prev_size.
314
315 2010-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
316
317         PR target/45837
318         * config/rs6000/aix.h (TARGET_AIX_OS): Define to be 1.
319         * config/rs6000/rs6000.h (TARGET_AIX_OS): Define to be 0 if not
320         defined.
321         * config/rs6000/option-defaults.h (toplevel): Change #if
322         TARGET_AIX to TARGET_AIX_OS to allow compiler to build after
323         global option changes.
324
325 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
326
327         * dwarf2out.c (mem_loc_descriptor): Handle IF_THEN_ELSE.
328
329         PR tree-optimization/31261
330         * fold-const.c (fold_binary): Optimize ((A & N) + B) & M
331         for constants M and N, M == (1LL << cst) - 1 && (N & M) == M.
332
333 2010-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
334
335         PR bootstrap/45796
336         * Makefile.in (build/gen%$(build_exeext)): Move rule after all
337         special-casing for generators and turn into ...
338         ((genprog:%=build/gen%$(build_exeext))): ... this static pattern
339         rule, for better error messages in case of toplevel dependency
340         errors.
341         (genprog): Add hooks, rename to ...
342         (genprogerr): ... this, and let genprog also contain check,
343         checksum, condmd.
344         ((genprog:%=build/gen%$(build_exeext))): Rename to ...
345         ((genprogerr:%=build/gen%$(build_exeext))): ... this.
346         (build/genhooks$(build_exeext)): Remove now-unneeded dependency.
347
348 2010-09-30  Jonathan Wakely  <jwakely.gcc@gmail.com>
349             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
350
351         * doc/install.texi: Suggest using LD_LIBRARY_PATH to find libs
352         for GMP, MPFR and MPC.
353
354 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
355
356         * config/sparc/sparc.opt (mimpure-text): Move ...
357         * config/sol2.opt: ... here.
358         Correct description.
359         * config.gcc (*-*-solaris2*): Add sol2.opt to extra_options.
360         * doc/invoke.texi (Option Summary, SPARC Options): Move
361         -mimpure-text, -mno-impure-text, -threads, -pthreads, -pthread ...
362         (Option Summary, Solaris 2 Options): ... here.
363         (Submodel Options, Solaris 2 Options): New menu entry.
364         (SPARC Options): Move -mimpure-text, -threads, -pthreads, -pthread ...
365         (Solaris 2 Options): ... here.
366
367 2010-09-30  Michael Eager  <eager@eagercon.com>
368
369         * extend.texi (interrupt_handler): Add MicroBlaze to list.
370         (save_volatiles): Describe option for MicroBlaze.
371         * invoke.texi: Add MicroBlaze Options.
372         * contrib.texi: Add acknowledgment. 
373         * md.texi: Add MicroBlaze d and z constraints.
374         * install.texi: Add microblaze-*-elf.
375         * configure.ac: Add microblaze-*-* to target list.
376         * configure: Regenerate.
377         * config.gcc: Add microblaze*-*-*, microblaze*-linux*.
378         * config/microblaze/microblaze-protos.h: New.
379         * config/microblaze/crti.s: New.
380         * config/microblaze/predicates.md: New.
381         * config/microblaze/linux.h: New.
382         * config/microblaze/microblaze.md: New.
383         * config/microblaze/constraints.md: New.
384         * config/microblaze/crtn.s: New.
385         * config/microblaze/microblaze.opt: New.
386         * config/microblaze/microblaze-c.c: New.
387         * config/microblaze/t-microblaze: New.
388         * config/microblaze/microblaze.c: New.
389         * config/microblaze/microblaze.h: New.
390
391 2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>
392
393         * c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
394         parse @optional/@required and set the flags as appropriate.
395
396 2010-09-30  Nathan Froyd  <froydnj@codesourcery.com>
397
398         * config/iq2000/t-iq2000 (TARGET_LIBGCC2_CFLAGS): Delete.
399
400 2010-09-30  Joseph Myers  <joseph@codesourcery.com>
401
402         * opt-functions.awk (static_var): Update comment.
403         (var_ref): Return offsetof expression or -1, not variable address.
404         * optc-gen.awk: Generate structure field initializers instead of
405         static variables.  Expect -1 for missing variables instead of null
406         pointer.  Add gcc_options parameters to generated functions.
407         * opth-gen.awk: Generate structure fields for static variables.
408         Add gcc_options parameters to generated functions.
409         * common.opt (optimize, optimize_size): Add variables.
410         * config/i386/i386-c.c (ix86_pragma_target_parse): Pass
411         &global_options to cl_target_option_restore.
412         * config/i386/i386.c (ix86_valid_target_attribute_p): Pass
413         &global_options to cl_optimization_restore, cl_target_option_save
414         and cl_target_option_restore.
415         (ix86_set_current_function): Pass &global_options to
416         cl_target_option_restore.
417         * config/pdp11/pdp11.h (optimize): Remove.
418         * config/rs6000/rs6000.h (optimize): Remove.
419         * config/sh/sh.h (optimize): Remove.
420         * config/xtensa/xtensa.h (optimize): Remove.
421         * coretypes.h (struct gcc_options): Declare.
422         * diagnostic.c (diagnostic_initialize): Initialize
423         context->option_state.
424         (diagnostic_report_diagnostic): Pass option_state to
425         option_enabled hook.
426         * diagnostic.h (diagnostic_context.option_enabled): Add void *
427         parameter.
428         (diagnostic_context.option_state): New field.
429         * final.c (final_start_function, final, final_scan_insn): Rename
430         optimize parameter to optimize_p.
431         * flags.h (optimize, optimize_size): Remove.
432         * function.c (invoke_set_current_function_hook): Pass
433         &global_options to cl_optimization_restore.
434         * gcc.c (driver_handle_option): Take gcc_options parameter.
435         Assert that it is &global_options.
436         (process_command): Pass &global_options to read_cmdline_option.
437         * ipa-pure-const.c (suggest_attribute): Pass &global_options to
438         option_enabled.
439         * lto-opts.c (lto_reissue_options): Use option_flag_var.  Pass
440         &global_options to set_option.
441         * opts-common.c (handle_option, handle_generated_option,
442         read_cmdline_option, set_option): Take explicit gcc_options
443         parameters.  Use option_flag_var.
444         (option_flag_var): New.
445         * opts.c (common_handle_option, lang_handle_option,
446         target_handle_option): Take gcc_options parameter.  Assert that it
447         is &global_options.
448         (read_cmdline_options): Pass &global_options to
449         read_cmdline_option.
450         (print_filtered_help): Use option_flag_var.  Pass &global_options
451         to option_enabled.
452         (common_handle_option): Use option_flag_var.
453         (option_enabled): Take opts parameter.  Use option_flag_var.
454         (get_option_state): Take gcc_options parameter.  Use
455         option_flag_var.  Pass gcc_options parameter to option_enabled.
456         (enable_warning_as_error): Pass &global_options to
457         handle_generated_option.
458         * opts.h (struct cl_option): Change flag_var to flag_var_offset.
459         (cl_option_handler_func.handler): Take gcc_options parameter.
460         (option_enabled, get_option_state, set_option, handle_option,
461         handle_generated_option, read_cmdline_option): Take gcc_options
462         parameters.
463         * toplev.c (optimize, optimize_size): Remove.
464         (print_switch_values): Pass &global_options to option_enabled.
465         (option_affects_pch_p): Use option_flag_var.  Pass &global_options
466         to get_option_state.
467         (general_init): Initialize global_dc->option_state.
468         * tree.c (build_optimization_node): Pass &global_options to
469         cl_optimization_save.
470         (build_target_option_node): Pass &global_options to
471         cl_target_option_save.
472
473 2010-09-30  Martin Jambor  <mjambor@suse.cz>
474
475         * tree-sra.c (type_consists_of_records_p): Do not check for trailing
476         zero sized bit-fields.
477
478 2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>
479
480         * c-parser.c (c_lex_one_token): When finding a CPP_AT_NAME
481         Objective-C token, map RID_CLASS to RID_AT_CLASS and similar.
482         (c_parser_external_declaration): Use RID_AT_CLASS
483         instead of RID_CLASS.
484         (c_parser_objc_class_declaration): Same change.
485         (c_parser_objc_try_catch_statement): Use RID_AT_TRY instead of
486         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
487         (c_parser_objc_class_instance_variables): Use RID_AT_PRIVATE
488         instead of RID_PRIVATE, RID_AT_PROTECTED instead of RID_PROTECTED
489         and RID_AT_PUBLIC instead of RID_PUBLIC.
490         (c_parser_statement_after_labels): Use RID_AT_TRY instead of
491         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
492         
493 2010-09-30  Tom G. Christensen <tgc@jupiterrise.com>
494
495         * doc/install.texi (Binaries): Update link to HP-UX porting centre.
496         Add links to current providers of packages for Solaris and IRIX.
497
498 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
499
500         Merge from 'apple/trunk' branch on FSF servers.
501         * c-parser.c: Applied change originally in c-parse.in.
502         
503         2005-10-04  Fariborz Jahanian <fjahanian@apple.com>
504
505         Radar 4281748
506         * c-decl.c (start_decl): Check for redeclaration of class name.
507         * c-parse.in (after_type_declarator): Recognize CLASSNAME.
508
509 2010-09-29  Steve Ellcey  <sje@cup.hp.com>
510
511         * config/ia64/ia64.c (ia64_builtin_decl): New.
512         (TARGET_BUILTIN_DECL): Define.
513         (ia64_builtins): New.
514         (ia64_init_builtins): Save decls in ia64_builtins.
515
516 2010-09-29  Bernd Schmidt  <bernds@codesourcery.com>
517
518         PR target/40457
519         * postreload.c (move2add_use_add2_insn): Use full_costs for
520         comparison.
521         (move2add_use_add3_insn): Likewise.
522         (reload_cse_move2add): Likewise.
523         * rtlanal.c (get_full_rtx_cost): New function.
524         * rtl.h (struct full_rtx_costs): New.
525         (init_costs_to_max, init_costs_to_zero, costs_lt_p,
526         costs_add_n_insns): New inline functions.
527         (get_full_rtx_cost): Declare.
528
529         PR c/45054
530         * reload1.c (replace_pseudos_in): Use eliminate_regs_1, allowing
531         invariants.  Check for reg_equiv_invariant.
532         (reload): Assert that spilled_pseudos is empty when returning.
533
534 2010-09-29  Kai Tietz  <kai.tietz@onevision.com>
535
536         * config/i386/mingw32.h (TARGET_64BIT): replaced by
537         TARGET_64BIT_DEFAULT in #if check.
538
539 2010-09-29  Jack Howarth <howarth@bromo.med.uc.edu>
540
541         * varasm.c (assemble_alias): Add error message for
542         unsupported ifunc.
543
544 2010-09-29  Mike Stump  <mikestump@comcast.net>
545
546         * config/darwin.h (flag_mkernel): Remove.
547         (flag_apple_kext): Likewise.
548
549 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
550             Jack Howarth <howarth@bromo.med.uc.edu>
551
552         * config/darwin.opt (undefined): Add.
553
554 2010-09-29  Nathan Sidwell  <nathan@codesourcery.com>
555
556         * configure.ac: Add --enable-indirect-function option.
557         * config.gcc: Add default_gnu_indirect_function.
558         * config.in (HAVE_GAS_INDIRECT_FUNCTION): Rename to ...
559         (HAVE_GNU_INDIRECT_FUNCTION): ... this.
560         * varasm.c (do_assemble_alias): Adjust for macto name change.
561         * configure: Rebuilt.
562         * doc/install.texi: Document --enable-indirect-function.
563
564 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
565
566         * doc/options.texi (Variable, Var, Init): Update documentation
567         without reference to VarExists.
568         (VarExists): Remove.
569         * common.opt, config/i386/i386.opt, config/linux.opt,
570         config/rs6000/rs6000.opt, config/sh/sh.opt, config/spu/spu.opt:
571         Don't use VarExists.
572
573 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
574
575         * optc-gen.awk: Generate global_options initializer instead of
576         individual variables.  Add x_ prefix to names of structure
577         members.
578         * opth-gen.awk: Generate gcc_options structure.  Add x_ prefix to
579         names of structure members.
580         * doc/tm.texi.in (HARD_FRAME_POINTER_IS_FRAME_POINTER,
581         HARD_FRAME_POINTER_IS_ARG_POINTER): Document.
582         * doc/tm.texi: Regenerate.
583         * alias.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
584         * builtins.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
585         * c-parser.c (disable_extension_diagnostics,
586         restore_extension_diagnostics): Update names of cpp_options
587         members.
588         * combine.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
589         * common.opt (fcompare-debug-second): Don't use Var.
590         * config/alpha/alpha.h (target_flags): Remove.
591         * config/arm/arm.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
592         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
593         * config/bfin/bfin.h (target_flags): Remove.
594         * config/cris/cris.h (target_flags): Remove.
595         * config/i386/i386-c.c (ix86_pragma_target_parse): Update names of
596         cl_target_option members.
597         * config/i386/i386.c (ix86_force_align_arg_pointer): Remove.
598         (ix86_function_specific_print, ix86_valid_target_attribute_tree,
599         ix86_can_inline_p): Update names of cl_target_option members.
600         * config/i386/i386.h (ix86_isa_flags): Remove.
601         * config/lm32/lm32.h (target_flags): Remove.
602         * config/mcore/mcore.h (mcore_stack_increment): Remove.
603         * config/mcore/mcore.md (addsi3): Remove extern declaration of
604         flag_omit_frame_pointer.
605         * config/mep/mep.h (target_flags): Remove.
606         * config/mips/mips.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
607         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
608         * config/mmix/mmix.h (target_flags): Remove.
609         * config/rs6000/rs6000.h (rs6000_xilinx_fpu, flag_pic,
610         flag_expensive_optimizations): Remove.
611         * config/s390/s390.h (flag_pic): Remove.
612         * config/score/score-conv.h (target_flags): Remove.
613         * config/sh/sh.h (sh_fixed_range_str): Remove.
614         * config/spu/spu.h (target_flags, spu_fixed_range_string): Remove.
615         * dbxout.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
616         * df-scan.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
617         * diagnostic.c (diagnostic_initialize): Update names of
618         diagnostic_context members.
619         * diagnostic.h (diagnostic_context): Rename inhibit_warnings and
620         warn_system_headers.
621         (diagnostic_report_warnings_p): Update for new names.
622         * dwarf2out.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
623         * emit-rtl.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER and
624         HARD_FRAME_POINTER_IS_ARG_POINTER.
625         * flags.h (flag_compare_debug): Declare.
626         * ira.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
627         * opts.c (flag_compare_debug): Define.
628         (common_handle_option): Update names of diagnostic_context
629         members.  Handle -fcompare-debug-second.
630         (fast_math_flags_struct_set_p): Update names of cl_optimization
631         members.
632         * reginfo.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
633         * regrename.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
634         * reload.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
635         * reload1.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
636         * resource.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
637         * rtl.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
638         HARD_FRAME_POINTER_IS_ARG_POINTER): Define and use.
639         * sel-sched.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
640         * stmt.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
641
642 2010-09-29  Hariharan Sandanagobalane <hariharan@picochip.com>
643
644         * config/picochip/picochip.c (picochip_output_internal_label):
645           This function can now be called for debug CFI labels, which can come in
646           the middle of a vliw instruction. Postpone until end of vliw.
647
648 2010-09-29  Richard Guenther  <rguenther@suse.de>
649
650         * tree.h (SCOPE_FILE_SCOPE_P): New macro.
651         (DECL_FILE_SCOPE_P): Use it.
652         (TYPE_FILE_SCOPE_P): New macro.
653
654 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
655
656         * c-parser.c (c_lex_one_token): In Objective-C, when dealing with
657         a CPP_NAME which is a reserved word, clearly separate cases for
658         OBJC_IS_PQ_KEYWORD, OBJC_IS_AT_KEYWORD and OBJC_IS_CXX_KEYWORD.
659
660 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
661
662         * c-parser.c (c_lex_one_token): In Objective-C, do not replace
663         token->value with the canonical spelling.  Do exactly like C and
664         C++ and leave it as it is.
665
666 2010-09-28  Richard Henderson  <rth@redhat.com>
667
668         * config/alpha/alpha.c (alpha_builtins): New.
669         (alpha_builtin_decl, TARGET_BUILTIN_DECL): New.
670         (alpha_builtin_function): New.
671         (alpha_add_builtins, alpha_init_builtins): Use it.
672
673 2010-09-28  Nicola Pero  <nicola.pero@meta-innovation.com>
674
675         * doc/standards.texi (Standards): Expanded the section on
676         Objective-C and Objective-C++.
677
678 2010-09-28  DJ Delorie  <dj@redhat.com>
679
680         PR target/45800
681         * config/m32c/m32c.c (m32c_subreg): Force adjustment of subregs of
682         volatile MEMs.
683
684 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
685
686         * c-parser.c (c_parser_declaration_or_fndef): Diagnose incorrect prefix
687         attributes on methods.
688          (c_parser_objc_method_definition): Handle attributes.
689         (c_parser_objc_methodproto): Likewise.
690         (c_parser_objc_maybe_method_attributes): New.
691         (c_parser_objc_method_decl): Handle attributes, add a diagnostic for a
692         missing definition, similar to that in ObjC++.
693
694 2010-09-28  Richard Henderson  <rth@redhat.com>
695
696         * defaults.h (DWARF2_UNWIND_INFO): Don't depend on TARGET_UNWIND_INFO.
697         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
698         (CONFIG_SJLJ_EXCEPTIONS): Remove.
699         (STACK_OLD_CHECK_PROTECT): Use targetm.except_unwind_info.
700         (STACK_CHECK_PROTECT): Likewise.
701         * dwarf2out.c (DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO): Poison.
702         (dwarf2out_do_frame): Use debug_unwind_info and except_unwind_info.
703         (dwarf2out_do_cfi_asm, dwarf2out_begin_prologue): Likewise.
704         (dwarf2out_frame_init, dwarf2out_frame_finish): Likewise.
705         (dwarf2out_assembly_start): Likewise.
706         * except.c (init_eh): Use targetm.except_unwind_info.
707         (finish_eh_generation, gate_convert_to_eh_region_ranges): Likewise.
708         (output_one_function_exception_table): Likewise.
709         * final.c: Unconditionally include dwarf2out.h.
710         (final_start_function): Unconditionally call dwarf2out routines.
711         (final_end_function, final_scan_insn): Likewise.
712         * function.c (expand_function_end): Use targetm.except_unwind_info.
713         * opts.c (decode_options): Use targetm.except_unwind_info.
714         * system.h (USING_SJLJ_EXCEPTIONS, TARGET_UNWIND_INFO): Poison.
715         * target.def (debug_unwind_info, except_unwind_info): New.
716         * target.h (enum unwind_info_type): New.
717         * targhooks.c (default_debug_unwind_info): New.
718         (default_except_unwind_info): New.
719         (dwarf2_except_unwind_info, sjlj_except_unwind_info): New.
720         * targhooks.h: Declare them.
721         * tree-tailcall.c: Include "target.h"
722         (suitable_for_tail_call_opt_p): Use targetm.except_unwind_info.
723         * Makefile.in (tree-tailcall.o): Update.
724         * tree.c (build_common_builtin_nodes): Use targetm.except_unwind_info.
725         (lhd_gcc_personality): Likewise.
726
727         * doc/tm.texi.in (TARGET_UNWIND_INFO): Remove.
728         (TARGET_EXCEPT_UNWIND_INFO): New.
729         (DWARF2_UNWIND_INFO): Update.
730         (TARGET_DEBUG_UNWIND_INFO): New.
731         * doc/tm.texi: Rebuild.
732
733         * c-family/c-cppbuiltin.c (c_cpp_builtins): Use
734         targetm.except_unwind_info.
735
736         * config/arm/arm.c (TARGET_EXCEPT_UNWIND_INFO): New.
737         (arm_except_unwind_info): New.
738         (arm_compute_func_type): Use it.
739         (arm_expand_prologue, thumb_pushpop): Likewise.
740         (thumb1_expand_prologue, thumb1_output_function_prologue): Likewise.
741         (arm_unwind_emit, arm_output_fn_unwind): Likewise.
742         * config/arm/bpabi.h (ARM_UNWIND_INFO): Rename from TARGET_UNWIND_INFO.
743         * config/arm/arm.h (ARM_UNWIND_INFO): Likewise.
744         (DWARF2_UNWIND_INFO): Remove.
745         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
746         (ARM_EABI_UNWIND_TABLES): Remove.
747
748         * config/ia64/ia64.c (ia64_debug_unwind_info): New.
749         (TARGET_DEBUG_UNWIND_INFO, TARGET_EXCEPT_UNWIND_INFO): New.
750         (ia64_except_unwind_info): New.
751         (ia64_output_function_prologue): Use it.
752         (ia64_add_bundle_selector_before): Likewise.
753         (ia64_reorg, ia64_asm_unwind_emit): Likewise.
754         * config/ia64/ia64.h (DWARF2_FRAME_INFO): Remove.
755         (TARGET_UNWIND_INFO): Remove.
756
757         * config/pa/pa.c (pa_option_override): Use targetm.except_unwind_info.
758         
759 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
760
761         * c-parser.c (c_parser_objc_class_definition): Adjust prototype.
762         (c_parser_objc_protocol_definition): Likewise.
763         (c_parser_external_declaration): Provide dummy attribute arguments.
764         (c_parser_declaration_or_fndef): Parse prefix attributes for ObjC.
765         (c_parser_objc_class_definition): Handle attributes.
766         (c_parser_objc_protocol_definition): Likewise.
767
768 2010-09-28  Tobias Burnus  <burnus@net-b.de>
769
770         PR fortran/40569
771         PR fortran/40568
772         * toplev.h (save_decoded_options, save_decoded_options_count):
773         New global variables.
774         * toplev.c (save_decoded_options, save_decoded_options_count):
775         export variables.
776
777 2010-09-28  Ian Lance Taylor  <iant@google.com>
778
779         * config/i386/i386.c (ix86_supports_split_stack): Test
780         HAVE_GAS_CFI_PERSONALITY_DIRECTIVE rather than
781         dwarf2out_do_cfi_asm.
782
783 2010-09-28  Ian Lance Taylor  <iant@google.com>
784
785         PR target/45815
786         * opts.c (decode_options): Don't test whether the target supports
787         split stack if flag_split_stack == 0.
788
789 2010-09-28  Jan Hubicka  <jh@suse.cz>
790
791         * builtin-attrs.def (ATTR_LEAF): New attribute.
792         (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF_LIST, ATTR_NOTHROW_LEAF_LIST,
793         ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_PURE_NOTHROW_LEAF_LIST,
794         ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST, ATTR_NORETURN_NOTHROW_LEAF_LIST,
795         ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_SENTINEL_NOTHROW_LEAF_LIST,
796         ATTR_NOTHROW_NONNULL_LEAF, ATTR_CONST_NOTHROW_NONNULL_LEAF,
797         ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_PURE_NOTHROW_NONNULL_LEAF,
798         ATTR_MALLOC_NOTHROW_NONNULL_LEAF): New attribute lists.
799         * sync-builtins.def: Annotate all builtins by leaf.
800         * omp-builtins.def: Annotate all builtins by leaf.
801         * builtins.def: Annotate relevant builtins with leaf attribute.
802         (ATTR_MATHFN_ERRNO, ATTR_MATHFN_FPROUNDING,
803         ATTR_MATHFN_FPROUNDING_ERRNO, ATTR_MATHFN_FPROUNDING_STORE): Make
804         leaf.
805
806 2010-09-28  Jan Hubicka  <jh@suse.cz>
807
808         * tree-ssa-ccp.c (fold_ctor_reference): New function.
809         (fold_const_aggregate_ref): Use it.
810         * fold-const.c (canonicalize_constructor_val): Check that we don't fold
811         into external static.
812
813 2010-09-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
814
815         PR target/44452
816         * config/i386/i386.opt (mvect8-ret-in-mem): Define.
817         * config/i386/i386.c (ix86_target_string): Handle -mvect8-ret-in-mem.
818         (ix86_solaris_return_in_memory): Remove.
819         * config/i386/i386-protos.h (ix86_solaris_return_in_memory): Remove.
820         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
821         (TARGET_SUBTARGET_DEFAULT): Redefine.
822         * config/i386/sol2-10.h (TARGET_SUBTARGET_DEFAULT): Update comment.
823         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
824         (TARGET_SUBTARGET_DEFAULT): Redefine.
825         * doc/invoke.texi (Option Summary, i386 and x86-64 Options): Add
826         -mvect8-ret-in-mem.
827         (i386 and x86-64 Options): Document -mvect8-ret-in-mem.
828
829 2010-09-29  Alan Modra  <amodra@gmail.com>
830
831         PR target/45807
832         * config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
833         * config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
834         * config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
835         Delete.
836         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
837         (rs6000_emit_prologue): Don't just create frame save info for r2,
838         actually save r2.
839
840 2010-09-28  Richard Henderson  <rth@redhat.com>
841
842         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Output 8 bytes
843         when 8 bytes are requested.
844
845 2010-09-28  Tristan Gingold  <gingold@adacore.com>
846
847         * config/avr/avr.c (expand_prologue): Set
848         current_function_static_stack_size.
849
850 2010-09-28  Tristan Gingold  <gingold@adacore.com>
851
852         * config/alpha/alpha.md: Change the initial condition of the
853         probing loop.
854
855 2010-09-28  Uros Bizjak  <ubizjak@gmail.com>
856
857         * config/i386/sse.md (*avx_<umaxmin:code><mode>3):
858         Split from *avx_<maxmin:code><mode>3.
859         (*avx_<smaxmin:code><mode>3): Ditto.
860         * config/i386/i386.md (maxmin): Remove code iterator.
861
862 2010-09-27  Ian Lance Taylor  <iant@google.com>
863
864         * config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
865         requires assembler support for CFI directives.
866
867 2010-09-27  Richard Henderson  <rth@redhat.com>
868
869         * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL.
870
871 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
872
873         * emit-rtl.c (reorder_insns_nobb) [ENABLE_CHECKING]: Sanity-check
874         that AFTER is not in the range FROM..TO, inclusive.
875
876 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
877             Bernd Schmidt  <bernds@codesourcery.com>
878
879         PR rtl-optimization/45792
880         * cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
881         If not all insns are to be merged, for each edge, stash the
882         next candidate after the to-be-merged insns before doing the
883         merge, and use them for the retry at the new insertion point.
884         Handle CC0 targets when retrying.
885
886 2010-09-27  Ian Lance Taylor  <iant@google.com>
887
888         * common.opt (fsplit-stack): New option.
889         * opts.c (decode_options): Set flag_split_stack to final value.
890         * target.def (supports_split_stack): New hook.
891         * gcc.c (STACK_SPLIT_SPEC): Define.
892         (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC.
893         * doc/invoke.texi (Option Summary): Mention -fsplit-stack.
894         (Code Gen Options): Document -fsplit-stack.
895         * doc/extend.texi (Function Attributes): Mention no_split_stack.
896         (Function Attributes): Document no_split_stack.
897         * doc/tm.texi.in (Stack Smashing Protection): Add @hook
898         TARGET_SUPPORTS_SPLIT_STACK.
899         * doc/tm.texi: Rebuild.
900         * function.c (thread_prologue_and_epilogue_insns): If
901         flag_split_stack, add split stack prologue.
902         * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack.
903         * varasm.c (saw_no_split_stack): New static variable.
904         (assemble_start_function): Set saw_no_split_stack if the function
905         has the no_split_stack attribute.
906         (file_end_indicate_split_stack): New function.
907         * output.h (file_end_indicate_split_stack): Declare.
908         * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables
909         and function.
910         * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack
911         routines.
912         * config/i386/i386.c (ix86_option_override_internal): Don't set
913         expand_builtin_va_start to NULL if -fsplit-stack.
914         (ix86_function_regparm): Reduce local regparm by 1 for 32-bit
915         -fsplit-stack.
916         (ix86_va_start): If -fsplit-stack, get overflow pointer from
917         scratch register set by prologue.
918         (ix86_code_end): If -fsplit-stack, call
919         file_end_indicate_split_stack.
920         (ix86_supports_split_stack): New static function.
921         (SPLIT_STACK_AVAILABLE): Define.
922         (split_stack_prologue_scratch_regno): New static function.
923         (split_stack_fn): New static variable.
924         (ix86_expand_split_stack_prologue): New function.
925         (ix86_live_on_entry): New static function.
926         (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK.
927         (output_pic_addr_const): Likewise.
928         (i386_asm_output_addr_const_extra): Likewise.
929         (ix86_expand_call): Change return type to rtx.  Return the new
930         call instruction.
931         (TARGET_SUPPORTS_SPLIT_STACK): Define.
932         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
933         * config/i386/i386.md (UNSPEC_STACK_CHECK): Define.
934         (split_stack_prologue, split_stack_return): New insns.
935         (split_stack_space_check): New insn.
936         * config/i386/i386.h (struct machine_function): Add
937         split_stack_varargs_pointer field.
938         * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define.
939         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
940         * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
941         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
942         * config/i386/i386-protos.h (ix86_expand_split_stack_prologue):
943         Declare.
944         (ix86_expand_call): Update declaration.
945
946 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
947
948         * doc/objc.texi (Type encoding): Added the new 'long double' (D)
949         code.  Added byref, which was missing in the list of codes.
950         Explain that enumeration values are encoded as the integer type
951         that the compiler uses to store them.  Explain and make examples
952         of how 'const' interacts with pointers, and the complication of
953         the encoding of 'const char *'.
954         (Legacy type encoding): New subsection, explaining that GCC emits
955         incorrect type encodings for the NeXT runtime for compatibility
956         reasons.
957         (@@encode): New subsection, explaining @encode and particularly
958         that protocol qualifiers are not recognized inside an @encode()
959         expression.
960         (Method signatures): New subsection, explaining how method
961         signatures are encoded.
962
963 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
964
965         Merge from 'apple/trunk' branch on FSF servers.  Removed small
966         change in build_conditional_expr that had been added when fixing
967         PR objc/27377 and which did the same check in a less complete way.
968
969         2005-12-15  Fariborz Jahanian <fjahanian@apple.com>
970
971         Radar 4229905
972         * c-typeck.c (build_conditional_expr): Call objc_have_common_type when
973         looking for objective-c common pointer types.
974         
975         2005-06-22  Ziemowit Laski  <zlaski@apple.com>
976
977         Radar 4154928
978         * c-typeck.c (build_conditional_expr): For two ObjC pointer types,
979         use their ObjC common type.
980
981 2010-09-27  Richard Guenther  <rguenther@suse.de>
982
983         * dbxout.c (dbxout_symbol): Use DECL_FILE_SCOPE_P.
984
985 2010-09-27  Jie Zhang  <jie@codesourcery.com>
986
987         * print-tree.c (print_node): Print in-constant-pool.
988
989 2010-09-27  Uros Bizjak  <ubizjak@gmail.com>
990
991         * config/i386/i386.h (CLASS_MAX_NREGS): Also handle XCmode.
992         (UNITS_PER_WORD): Define only when IN_LIBGCC2 is undefined.
993         (MOVE_MAX_PIECES): Redefine using UNITS_PER_WORD.
994         (ASM_OUTPUT_AVX_PREFIX): Simplify pointer addition.
995
996 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
997
998         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_add): Merge
999         from pro_epilogue_adjust_stack_<mode>_{1,2}.
1000         (pro_epilogue_adjust_stack_<mode>_add): Rename from
1001         pro_epilogue_adjust_stack_<mode>_3.
1002         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for
1003         renamed pro_epilogue_adjust_stack_{si,di}_add.
1004         (ix86_expand_prologue): Use indirect functions.  Update for renamed
1005         pro_epilogue_adjust_stack_{si,di}_sub.
1006
1007 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
1008
1009         * config/i386/i386.md (movmsk_df): New insn.
1010         (signbitdf): Split out of signbit<mode>2.  Generate movmsk_df
1011         sequence for TARGET_SSE_MATH.
1012
1013 2010-09-26  Richard Sandiford  <rdsandiford@googlemail.com>
1014
1015         * config/mips/mips.c (mips_builtin_decls): Declare.
1016         (mips_init_builtins): Store function declarations in
1017         mips_builtin_decls.
1018         (mips_builtin_decl): New function.
1019         (TARGET_BUILTIN_DECL): Define.
1020
1021 2010-09-25  Kai Tietz  <kai.tietz@onevision.com>
1022             Richard Henderson  <rth@redhat.com>
1023
1024         * config/i386/cygwin.asm: Include auto-host.h.
1025         (cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
1026         cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): New macros.
1027         (__chkstk, __alloca): Annotate for dwarf2 unwind info.  Drop
1028         alignment code from the 64-bit path.  Use gas local labels.
1029         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_2): Macroize
1030         from _di_2.  Remove the useless constant integer argument.
1031         (pro_epilogue_adjust_stack_<mode>_3): New.
1032         (allocate_stack_worker_probe_<mode>): Macroize from
1033         allocate_stack_worker_{32,64}.  Use __chkstk_ms.  Update all users.
1034         * config/i386/i386.c (ix86_expand_prologue): Use __chkstk_ms;
1035         use gen_pro_epilogue_adjust_stack_*_3 and annotate it.
1036         (__chkstk_ms): New function.
1037         * config/i386/t-cygming (LIB1ASMFUNCS): Add _chkstk_ms.
1038         * gcc/config/i386/t-interix: Likewise.
1039         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Export for target.
1040         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
1041         (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): Likewise.
1042         * configure, config.in: Rebuild.
1043
1044 2010-09-25  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         * tree-inline.c (copy_bb): Use GSI_CONTINUE_LINKING when inserting new
1047         statements because of the return slot optimization.
1048
1049 2010-09-25  Anatoly Sokolov  <aesok@post.ru>
1050
1051         * config/avr/avr.h (CLASS_LIKELY_SPILLED_P): Remove.
1052         * config/avr/avr-protos.h (class_likely_spilled_p): Remove.
1053         * config/avr/avr.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
1054         (class_likely_spilled_p): Rename to...
1055         (avr_class_likely_spilled_p): ...this. Make static. Change argument
1056         type to reg_class_t.
1057
1058 2010-09-24  Jan Hubicka  <jh@suse.cz>
1059
1060         * lto-symtab.c (lto_symtab_entry_def): Add guessed field.
1061         (lto_symtab_resolve_symbols): Set it.
1062         (lto_symtab_merge_decls_1): Do not compute used_from_object_file;
1063         store resolution field in cgraph/varpool.
1064         * cgraph.c (cgraph_same_body_alias, cgraph_add_thunk): Return node.
1065         (cgraph_get_node_or_alias, cgraph_get_node_or_alias): Constify.
1066         (cgraph_dump_node): Drop used_from_object_file.
1067         (cgraph_clone_node, cgraph_create_virtual_clone): Likewise.
1068         (cgraph_function_body_availability): Use decl_replaceable_p.
1069         (cgraph_make_node_local): Set resolution to LDPR_PREVAILING_DEF_IRONLY.
1070         (cgraph_can_remove_if_no_direct_calls_and_refs): Use
1071         cgraph_used_from_object_file_p.
1072         (cgraph_will_be_removed_from_program_if_no_direct_calls): Use
1073         cgraph_used_from_object_file_p.
1074         (resolution_used_from_other_file_p): New functoin.
1075         (cgraph_used_from_object_file_p): New predicate.
1076         * cgraph.h: Include plugin-api.h
1077         (struct cgraph_local_info): Remove used_from_object_file.
1078         (struct cgraph_node): Add resolution field.
1079         (struct varpool_node): Likewise; remove used_from_object_file;
1080         reove const_value_known.
1081         (cgraph_get_node, cgraph_get_node_or_alias, cgraph_node,
1082         cgraph_same_body_alias, cgraph_add_thunk): Update prototypes.
1083         (resolution_used_from_other_file_p, cgraph_used_from_object_file_p,
1084         varpool_used_from_object_file_p): Declare.
1085         (varpool_get_node, varpool_extra_name_alias): Update prototype.
1086         * tree.h (DECL_REPLACEABLE_P): Remove.
1087         (decl_replaceable_p, decl_binds_to_current_def_p): Declare.
1088         * final.c (rest_of_clean_state): Use decl_binds_to_current_def_p.
1089         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
1090         input_overwrite_node, input_node, input_varpool_node): Stream
1091         resolution.
1092         * expr.c (expand_expr_real_1): Use const_value_known_p
1093         * ipa.c (ipa_discover_readonly_nonaddressable_var): Do not set
1094         const_value_known.
1095         (cgraph_externally_visible_p): Use cgraph_used_from_object_file_p.
1096         (function_and_variable_visibility): Set resolution for local vars
1097         and functions; use varpool_used_from_object_file_p.
1098         * varasm.c (resolution_to_local_definition_p, resolution_local_p): New
1099         static functions.
1100         (default_binds_local_p_1): Use resolutoin info.
1101         (decl_binds_to_current_def_p, decl_replaceable_p): New functions.
1102         * varpool.c (varpool_get_node): Constify.
1103         (const_value_known_p): Do not use vnode->const_value_known;
1104         use decl_replaceable_p.
1105         (varpool_finalize_decl): Do not set const_value_known.
1106         (cgraph_variable_initializer_availability): Use decl_replaceable_p
1107         (varpool_extra_name_alias): Return new node.
1108         (varpool_used_from_object_file_p): New function.
1109
1110 2010-09-24  Richard Henderson  <rth@redhat.com>
1111
1112         * config/ia64/ia64.c (ia64_dwarf_handle_frame_unspec): New.
1113         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): New.
1114         (do_spill): Use REG_CFA_OFFSET.
1115         (ia64_expand_prologue): Use REG_CFA_ADJUST_CFA and REG_CFA_REGISTER
1116         as appropriate.
1117         (ia64_expand_epilogue): Likewise.
1118         (process_set): Split into ...
1119         (process_cfa_adjust_cfa): this,
1120         (process_cfa_register): this,
1121         (process_cfa_offset): and this new function.
1122         (ia64_asm_unwind_emit): Use them.  Expect REG_CFA_* notes
1123         instead of REG_FRAME_RELATED_EXPR.
1124
1125 2010-09-24  Olivier Hainque  <hainque@adacore.com>
1126
1127         * config/i386/vx-common.h (DBX_REGISTER_NUMBER): Reinstate.
1128
1129 2010-09-24  Jan Hubicka  <jh@suse.cz>
1130
1131         * doc/extend.texi: (attribute leaf): Document.
1132         * tree.c (local_define_builtin): Handle ECF_LEAF.
1133         (build_common_builtin_nodes): Set ECF_LEAF where needed.
1134         * tree.h (ECF_LEAF): New.
1135         * ipa-reference.c (propagate_bits): For leaf calls propagate ever
1136         overwrittable and unavailable functions.
1137         (ipa_init): Put all_module_statics into optimization_summary_obstack.
1138         (copy_global_bitmap): Do not copy all_module_statics.
1139         (read_write_all_from_decl): Use cgraph_node argument; handle ECF_LEAF.
1140         (propagate): Handle overwritable and unavailable leaf functions;
1141         initialize global info for overwritable and unavailable leaf functions;
1142         do not free all module statics.
1143         (ipa_reference_get_not_{read,written}_global): Leaf calls don't clobber
1144         local statics.
1145         * calls.c (flags_from_decl_or_type): Handle leaf.
1146         * tree-cfg.c (stmt_can_make_abnormal_goto): Leaf functions can't do
1147         abnormal gotos.
1148
1149 2010-09-24  Basile Starynkevitch  <basile@starynkevitch.net>
1150
1151         * gengtype.c: Reindented.
1152         * gengtype.h: Reindented.
1153         * gengtype-parse.c: Reindented.
1154
1155 2010-09-24  Jan Hubicka  <jh@suse.cz>
1156
1157         PR tree-optimization/45738
1158         PR tree-optimization/45741
1159         * expr.c (string_constant): Allow CONST_DECL too;
1160         check that DECL_INITIAL is set.
1161         * varpool.c (const_value_known_p): Only look into VAR_DECL
1162         and CONST_DECL.
1163
1164 2010-09-24  Joseph Myers  <joseph@codesourcery.com>
1165
1166         * common.opt (undef): New.
1167
1168 2010-09-24  Jakub Jelinek  <jakub@redhat.com>
1169
1170         PR middle-end/45234
1171         * rtl.h (enum global_rtl_index): Add
1172         GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
1173         (LAST_VIRTUAL_POINTER_REGISTER): Define.
1174         (virtual_preferred_stack_boundary_rtx,
1175         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
1176         (LAST_VIRTUAL_REGISTER): Increase by one.
1177         (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
1178         instead of LAST_VIRTUAL_REGISTER.
1179         * function.c (instantiate_new_reg): Handle
1180         virtual_preferred_stack_boundary_rtx.
1181         * emit-rtl.c (init_virtual_regs): Handle
1182         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
1183         (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
1184         * explow.c (round_push): If crtl->preferred_stack_boundary
1185         is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
1186         virtual_preferred_stack_boundary_rtx alignment instead of
1187         crtl->preferred_stack_boundary alignment.
1188         (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
1189         macros.  Never decrease crtl->preferred_stack_boundary,
1190         use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
1191         instead of PREFERRED_STACK_BOUNDARY.  Don't modify
1192         stack_pointer_delta in dynamic allocation, even when size
1193         is constant.
1194         (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
1195         macro.
1196         * print-rtl.c (print_rtx): Handle
1197         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
1198         * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
1199         LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
1200         * config/frv/frv.c (frv_emit_movsi): Likewise.
1201         * config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
1202         * config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
1203         Likewise.
1204
1205         Revert:
1206         2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
1207
1208         PR middle-end/45234
1209         * calls.c (expand_call): Make sure that all variable sized
1210         adjustments are multiple of preferred stack boundary after
1211         stack alignment.
1212
1213 2010-09-24  Iain Sandoe  <iains@gcc.gnu.org>
1214             Dominique Dhumieres  <dominiq@lps.ens.fr>
1215
1216         PR bootstrap/45751
1217         * gcc/config/darwin-driver.c (darwin_default_min_version):
1218         Adjust size passed to memcpy in two places.
1219
1220 2010-09-24  Richard Guenther  <rguenther@suse.de>
1221
1222         * c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
1223         Make sure to not call set_type_context with error_mark_node.
1224         * langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.
1225
1226 2010-09-24  Richard Guenther  <rguenther@suse.de>
1227
1228         * Makefile.in (OBJS-onestep): Remove.
1229         (ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
1230         (libbackend.a): Remove onestep support.
1231         (libbackend.o): Remove.
1232         * configure.ac (--enable-intermodule): Remove.
1233         * configure: Regenerate.
1234
1235 2010-09-24  Bernd Schmidt  <bernds@codesourcery.com>
1236
1237         * cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
1238         reaching the end of a block if it occurs at a DEBUG_INSN.
1239
1240 2010-09-09  Tristan Gingold  <gingold@adacore.com>
1241
1242         PR target/44242
1243         * config/vms/vms-crt0-64.c: Removed.
1244         * config/vms/vms-crt0.c: Removed.
1245         * config/vms/vms-psxcrt0-64.c: Removed.
1246         * config/vms/vms-psxcrt0.c: Removed.
1247         * config/vms/vms-ucrt0.c: New file.
1248         * config/vms/t-vms64: Removed.
1249         * config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it.  Remove DECC.
1250         Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
1251         * config.gcc (alpha-dec-vms): Use t-vms.
1252
1253 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
1254
1255         * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
1256         underfull hbox in DVI output.
1257         (-fobjc-class-cxx-cdtors): Same change.
1258         (-fobjc-exceptions): Tidied up documentation.  Explain what the
1259         option does, but moved the (lenghty) description of the exception
1260         syntax into objc.texi.
1261         (-fobjc-gc): Explain that the option is not useful with the GNU
1262         runtime.
1263         (-fzero-link): Explain that the GNU runtime always works in
1264         "zero-link" mode.
1265         * doc/objc.texi: All sections: simplified @node declarations
1266         removing specification of next, previous, up node.
1267         (Objective-C): Updated introduction.
1268         (Garbage Collection): Updated.  The bohem-gc library is now
1269         included in gcc itself.  Mention that this section only applies to
1270         the GNU Objective-C runtime.
1271         (compatibility_alias): Small tidy up.
1272         (Exceptions): New section mostly containing text previously in the
1273         description of the -fobjc-exception command-line option.
1274         (Synchronization): Same.
1275
1276 2010-09-24  Uros Bizjak  <ubizjak@gmail.com>
1277
1278         * config/i386/i386.md (ix86_code_end): Move the initialization of
1279         xops array near the consumer.  Use AX_REG and SP_REG instead of
1280         numerical constants.
1281
1282 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
1283
1284         * c-typeck.c (convert_arguments): Use warning 'too many arguments to
1285         method [methodname]' for an Objective-C method instead of the less
1286         satisfactory 'too many arguments to function' (with no method name).
1287
1288 2010-09-23  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         * tree-flow.h (execute_update_addresses_taken): Remove parameter.
1291         * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
1292         (execute_update_addresses_taken): Remove parameter.  Execute the
1293         optimization unconditionally.
1294         * passes.c (execute_function_todo): Call execute_update_addresses_taken
1295         unconditionally if TODO_rebuild_alias is set, else only when optimizing
1296         if TODO_update_address_taken is set.
1297
1298 >>>>>>> .r164755
1299 2010-09-23  Anatoly Sokolov  <aesok@post.ru>
1300
1301         * config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
1302         * config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
1303         * config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1304         (arm_output_addr_const_extra): Make static.
1305
1306 2010-09-23  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         * config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
1309         define as unspec_volatile.
1310         ("nops"): Define as unspec_volatile. Use fputs to write to
1311         asm_out_file directly.  Output NOPs on separate lines using while loop.
1312         * config/i386/i386.c (ix86_code_end): Use fputs to write to
1313         asm_out_file directly.  Output NOPs on separate lines using while loop.
1314
1315 2010-09-23  Richard Guenther  <rguenther@suse.de>
1316
1317         PR tree-optimization/45565
1318         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
1319         Make sure to adjust the fndecl before replacing the stmt.
1320
1321 2010-09-23  Richard Guenther  <rguenther@suse.de>
1322
1323         PR middle-end/45750
1324         * gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
1325         gimplifying MEM_REF.
1326
1327 2010-09-23  Alan Modra  <amodra@gmail.com>
1328
1329         * config/rs6000/rs6000.c (toc_relative_ok): Delete.
1330         (rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.
1331
1332 2010-09-23  Bernd Schmidt  <bernds@codesourcery.com>
1333
1334         PR rtl-optimization/44374
1335         * basic-block.h (enum bb_flags): Add BB_MODIFIED.
1336         * df-core.c (df_set_bb_dirty): Set it.
1337         * ifcvt.c (find_memory): Remove function.
1338         (dead_or_predicable): Use can_move_insns_across.
1339         * df.h (can_move_insns_across): Declare function.
1340         * cfgcleanup.c (block_was_dirty): New static variable.
1341         (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
1342         than df_get_bb_dirty.
1343         (try_head_merge_bb): New static function.
1344         (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
1345         is set.
1346         * df-problems.c: Include "target.h"
1347         (df_simulate_find_uses): New static function.
1348         (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
1349         (find_memory, find_memory_store): New static functions.
1350         (can_move_insns_across): New function.
1351         * Makefile.in (df-problems.o): Update dependencies.
1352
1353 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
1354
1355         PR java/44095
1356         * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
1357         is specified and the suffix of the file isn't ".c".
1358         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1359
1360 2010-09-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1361
1362         * doc/contrib.texi (Contributors): Allow URL to wrap in PDF output.
1363         * doc/cppopts.texi: Fix markup of index entry.
1364         * doc/extend.texi (Constructing Calls): Fix markup of
1365         __builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
1366         (Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
1367         (Vague Linkage, C++ Attributes): Fix markup of index entries and
1368         keywords.
1369         * doc/invoke.texi (Option Summary): Fix spacing.  Rewrap to
1370         avoid long lines.
1371         (C Dialect Options, C++ Dialect Options, Warning Options)
1372         (Debugging Options, Spec Files, Darwin Options)
1373         (i386 and x86-64 Options, MIPS Options)
1374         (RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
1375         index entries, avoid abbreviations, allow URLs to wrap, avoid
1376         long lines, avoid overlong pages from long @itemx lists.
1377         * doc/objc.texi (Garbage Collection): Allow URLs to wrap.
1378         * doc/standards.texi (Standards): Likewise.
1379         * doc/trouble.texi (Incompatibilities): Fix markup of index entry.
1380
1381 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
1382
1383         * opts-common.c (prune_options): Make static.  Work with decoded
1384         options.
1385         (decode_cmdline_options_to_array): Call prune_options.  Don't
1386         resize option array here.
1387         * opts.h (prune_options): Remove prototype.
1388         * gcc.c (process_command): Take decoded options; don't call
1389         decode_cmdline_options_to_array here.  Use decoded options for argv[0].
1390         (main): Call decode_cmdline_options_to_array here instead of
1391         prune_options.  Update call to process_command.
1392         * config/darwin-driver.c: Include opts.h.
1393         (darwin_default_min_version): Work with decoded options.  Don't
1394         handle -b or -V here.
1395         * config/darwin.h (darwin_default_min_version): Update prototype.
1396         (GCC_DRIVER_HOST_INITIALIZATION): Update call to
1397         darwin_default_min_version.
1398         * config/i386/cygwin.h (mingw_scan): Update prototype.
1399         (GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
1400         * config/i386/cygwin1.c: Include opts.h.
1401         (mingw_scan): Work with decoded options.
1402         * config/i386/t-cygwin (cygwin1.o): Update dependencies.
1403         * config/t-darwin (darwin-driver.o): Update dependencies.
1404
1405 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
1406
1407         * common.opt (-assemble, -compile, -coverage, -debug, -dump,
1408         -dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
1409         -for-assembler, -for-assembler=, -for-linker, -for-linker=,
1410         -force-link, -force-link=, -language, -language=,
1411         -library-directory, -library-directory=, -no-canonical-prefixes,
1412         -no-standard-libraries, -no-warnings, -optimize, -output,
1413         -output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
1414         -pipe, -prefix, -prefix=, -preprocess, -print-file-name,
1415         -print-file-name=, -print-libgcc-file-name,
1416         -print-multi-directory, -print-multi-lib,
1417         -print-multi-os-directory, -print-prog-name, -print-prog-name=,
1418         -print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
1419         -profile, -save-temps, -shared, -specs, -specs=, -static,
1420         -symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
1421         symbolic): New.
1422         (fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
1423         * gcc.c (A Short Introduction to Adding a Command-Line Option):
1424         Remove comment.
1425         (cc1_options): Correct specs for passing down --help,
1426         --target-help and --help=*.  Add spec for passing down --version.
1427         (struct option_map, option_map, target_option_translations,
1428         translate_options): Remove.
1429         (driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
1430         and OPT__target_help instead of OPT_fversion, OPT_fhelp,
1431         OPT_fhelp_ and OPT_ftarget_help.
1432         (process_command): Don't call translate_options.  Call
1433         decode_cmdline_options_to_array before checking for
1434         -no-canonical-prefixes using decoded options.
1435         * opts-common.c (tm.h): Update comment on #include.
1436         (find_opt): Allow abbreviations of long options.
1437         (struct option_map, option_map): New.
1438         (decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
1439         and -mno handling.
1440         (target_option_translations): New.
1441         (decode_cmdline_options_to_array): Handle
1442         TARGET_OPTION_TRANSLATE_TABLE in driver.
1443         * opts.c (common_handle_option): Don't handle OPT_fhelp,
1444         OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.
1445
1446 2010-09-22  Richard Guenther  <rguenther@suse.de>
1447
1448         * tree-inline.c (optimize_inline_calls): Schedule cleanups
1449         only if we inlined something.  Block compaction and conditional
1450         folding are done by cfg cleanup.  Schedule update-address-taken.
1451         (tree_function_versioning): Remove redundant call to number_blocks.
1452         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
1453         folding is done by cfg cleanup.
1454         * passes.c (init_optimization_passes): Remove update-address-taken
1455         pass after IPA inlining.
1456
1457 2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>
1458
1459         * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
1460         to update conditions. Fix reg_mode[] check.
1461
1462 2010-09-22  Hariharan Sandanagobalane  <hariharan@picochip.com>
1463
1464         * config/picochip/picochip.md (movhicc): Use expand to check whether
1465         movhicc is available and split it after reload.
1466
1467 2010-09-22  Richard Guenther  <rguenther@suse.de>
1468
1469         * tree-ssanames.c (release_dead_ssa_names): Do not remove
1470         callee edges here.
1471         * passes.c (init_optimization_passes): Remove early CFG cleanup.
1472         * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Remove.
1473         (pass_cleanup_cfg): Likewise.
1474         (execute_fixup_cfg): Cleanup.
1475         * tree-pass.h (pass_cleanup_cfg): Remove.
1476
1477 2010-09-22  Martin Jambor  <mjambor@suse.cz>
1478
1479         * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
1480         builtins if it is true.
1481         (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
1482         parameter.
1483
1484 2010-09-22  Martin Jambor  <mjambor@suse.cz>
1485
1486         * tree-sra.c (struct access): New field grp_no_warning.
1487         (create_access_replacement): Set TREE_NO_WARNING according to
1488          grp_no_warning.
1489         (create_artificial_child_access): Use build_ref_for_model and set
1490         grp_no_warning if build_user_friendly_ref_for_offset fails.
1491         (propagate_subaccesses_across_link): Likewise.
1492
1493 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
1494
1495         PR target/35664
1496         * config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
1497         ('f'): Likewise.
1498
1499 2010-09-22  Tristan Gingold  <gingold@adacore.com>
1500
1501         * config/alpha/alpha.c (alpha_use_linkage): Initialize target field.
1502
1503 2010-09-22  Uros Bizjak  <ubizjak@gmail.com>
1504
1505         * config/i386/i386.h (MAX_STRINGOP_ALGS): Fix typo in the name.
1506         * config/i386/i386.c (decide_alg): Update for rename.
1507
1508 2010-09-22  Jakub Jelinek  <jakub@redhat.com>
1509
1510         PR rtl-optimization/45739
1511         * simplify-rtx.c (simplify_binary_operation_1): Optimize even
1512         vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).
1513
1514 2010-09-21  Anatoly Sokolov  <aesok@post.ru>
1515
1516         * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): Remove macros.
1517         * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
1518         Remove.
1519         * config/rs6000/rs6000.c (rs6000_output_addr_const_extra): Make static.
1520         (TTARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
1521
1522 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
1523
1524         PR objc/23710
1525         * c-parser.c (c_parser_objc_method_definition): Check the return
1526         value of objc_start_method_definition and if false is returned,
1527         parse the method definition but emit no code.
1528
1529 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
1530
1531         PR objc/25965
1532         * c-decl.c (detect_field_duplicates): If compiling Objective-C,
1533         call objc_get_interface_ivars ().
1534
1535 2010-09-21  Kai Tietz  <kai.tietz@onevision.com>
1536
1537         PR target/45694
1538         * config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
1539         static chain-register is used for 64-bit.
1540
1541 2010-09-21  Richard Guenther  <rguenther@suse.de>
1542
1543         * dwarf2out.c (is_cu_die): New function.
1544         (add_pubtype): Use it.
1545         (gen_subprogram_die): Likewise.
1546         (gen_struct_or_union_type_die): Likewise.
1547         (dwarf2out_finish): Likewise.
1548         (comp_unit_die): Rename to ...
1549         (single_comp_unit_die): ... this.
1550         (comp_unit_die): New function lazily constructing and
1551         returning single_comp_unit_die.
1552         (is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
1553         base_type_die, subrange_type_die, modified_type_die,
1554         lower_bound_default, add_bound_info, add_prototyped_attribute,
1555         dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
1556         dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
1557         force_decl_die, gen_namespace_die, dwarf2out_decl,
1558         dwarf2out_start_source_file, dwarf2out_end_source_file,
1559         prune_unused_types, dwarf2out_finish): Use it.
1560         (gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
1561         the global list of translation-unit decls.
1562         (dwarf2out_init): Do not create single_comp_unit_die here.
1563         (force_decl_die): Handle TRANSLATION_UNIT_DECL.
1564
1565 2010-09-21  Richard Guenther  <rguenther@suse.de>
1566
1567         * dwarf2out.c (dwarf2out_decl): Do not always generate a DIE
1568         for bool for C++.
1569
1570 2010-09-21  Bernd Schmidt  <bernds@codesourcery.com>
1571
1572         * config/arm/iterators.md (qhs_extenddi_op): New mode_attr.
1573         (qhs_extenddi_cstr): Likewise.
1574         * config/arm/arm.md (zero_extend<mode>di2, extend<mode>di2): Use
1575         them for the source operand.
1576
1577 2010-09-21  Uros Bizjak  <ubizjak@gmail.com>
1578
1579         * config/i386/i386.c (ix86_split_ashl): Rename single_width variable
1580         to half_width.  Use GET_MODE_BITSIZE to calculate mode size.
1581         (ix86_split_ashr): Ditto.
1582         (ix86_split_lshr): Ditto.
1583
1584 2010-09-21  Richard Guenther  <rguenther@suse.de>
1585
1586         PR tree-optimization/45580
1587         * tree-ssa-propagate.c (substitute_and_fold): Always replace
1588         regular uses.
1589         * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without
1590         virtuals fold the call into a regular indirect one.
1591
1592 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         PR rtl-optimization/42775
1595         * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
1596         scheduling is enabled.
1597
1598 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR rtl-optimization/45728
1601         * expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
1602         gen_lowpart_common first and if that fails, force_reg first
1603         before calling gen_lowpart.
1604
1605         PR middle-end/45678
1606         * cfgexpand.c (expand_one_stack_var_at): Use
1607         crtl->max_used_stack_slot_alignment as max_align, instead
1608         of maximum of that and PREFERRED_STACK_BOUNDARY.
1609         Don't call update_stack_alignment.
1610
1611 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
1612
1613         * langhooks.h (struct lang_hooks_for_types): Remove hash_types field.
1614         * langhooks-def.h (LANG_HOOKS_HASH_TYPES): Delete.
1615         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_HASH_TYPES.
1616         * system.h (LANG_HOOKS_HASH_TYPES): Poison.
1617         * tree.c (type_hash_canon): Do not test lang_hooks.types.hash_types.
1618         (build_nonstandard_integer_type): Likewise.
1619         (build_range_type_1): New function, built from...
1620         (build_range_type): ...this.  Call build_range_type_1.
1621         (build_nonshared_range_type): New function.
1622         (build_array_type_1): New function, built from...
1623         (build_array_type: ...this.  Call build_array_type_1.
1624         (build_nonshared_array_type): New function.
1625         * tree.h (build_nonshared_range_type): Declare.
1626         (build_nonshared_array_type): Likewise.
1627
1628 2010-09-20  Anatoly Sokolov  <aesok@post.ru>
1629
1630         * config/arm/arm.h (CLASS_LIKELY_SPILLED_P): Remove.
1631         * config/arm/arm.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
1632         (arm_class_likely_spilled_p): New function.
1633
1634 2010-09-20  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         * config/i386/i386.c (ix86_expand_ashl_const): Rewrite using
1637         indirect functions.
1638         (ix86_split_ashl): Ditto.
1639         (ix86_split_ashr): Ditto.
1640         (ix86_split_lshr): Ditto.
1641         (ix86_adjust_counter): Ditto.
1642
1643 2010-09-20  Nicola Pero  <nicola.pero@meta-innovation.com>
1644
1645         * c-family/c-common.h (constant_string_class): Documented with
1646         comment identical to the one already in c-common.c.
1647
1648 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
1649
1650         * dwarf2out.c (any_cfis_emitted): New static variable.
1651         (add_fde_cfi): Set it.
1652         (dwarf2out_frame_debug): Clear it before processing,
1653         if it is set afterwards, flush any queued reg saves.
1654
1655         PR debug/45124
1656         * dwarf2out.c (add_accessibility_attribute): Assume
1657         DW_ACCESS_private as the default for dwarf_version > 2
1658         and DW_TAG_class_type parent.
1659         (gen_inheritance_die): Assume DW_ACCESS_public as the default
1660         for dwarf_version > 2 and parent other than DW_TAG_class_type.
1661
1662 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
1663
1664         PR target/45726
1665         * arm.md (arm_movt): Only enable on machines with MOVT.
1666
1667 2010-09-20  Jie Zhang  <jie@codesourcery.com>
1668
1669         * config/arm/arm.c (arm_address_offset_is_imm): New.
1670         (arm_early_store_addr_dep): New.
1671         (arm_early_load_addr_dep): New.
1672         * config/arm/arm-protos.h (arm_early_store_addr_dep): Declare.
1673         (arm_early_load_addr_dep): Declare.
1674         (arm_address_offset_is_imm): Declare.
1675         * config/arm/cortex-m4.md: New file.
1676         * config/arm/cortex-m4-fpu.md: New file.
1677         * config/arm/arm.md: Include cortex-m4.md and cortex-m4-fpu.md.
1678         (attr generic_sched): Exclude cortexm4.
1679         (attr generic_vfp): Exclude cortexm4.
1680
1681 2010-09-20  Richard Guenther  <rguenther@suse.de>
1682
1683         PR middle-end/45704
1684         * gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.
1685
1686 2010-09-20  Jan Hubicka  <jh@suse.cz>
1687
1688         PR tree-optimize/45605
1689         * cgraph.h (const_value_known_p): Declare.
1690         (varpool_decide_const_value_known): Remove.
1691         * tree-ssa-ccp.c (get_base_constructor): Use it.
1692         * lto-cgraph.c (compute_ltrans_boundary): Likewise.
1693         * expr.c (string_constant): Likewise.
1694         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
1695         * ipa.c (ipa_discover_readonly_nonaddressable_var,
1696         function_and_variable_visibility): Likewise.
1697         * gimplify.c (gimplify_call_expr): Likewise.
1698         * gimple-fold.c (get_symbol_constant_value): Likewise.
1699         * varpool.c (varpool_decide_const_value_known): Replace by...
1700         (const_value_known_p): ... this one; handle other kinds of DECLs
1701         too and work for automatic vars.
1702         (varpool_finalize_decl): Use const_value_known_p.
1703
1704 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
1705
1706         PR target/45726
1707         * arm.md (arm_movtas_ze): Only enable on machine with MOVT.
1708
1709 2010-09-20  Richard Guenther  <rguenther@suse.de>
1710
1711         PR tree-optimization/45705
1712         * tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.
1713
1714 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
1715
1716         PR rtl-optimization/45695
1717         * combine.c (try_combine): When splitting a two set pattern,
1718         make sure the pattern which will be put into i2 doesn't use REGs
1719         or MEMs set by insns in between i2 and i3.
1720
1721 2010-09-19  Jan Hubicka  <jh@suse.cz>
1722
1723         PR lto/44246
1724         * lto-cgraph.c (input_cgraph_1, input_varpool_1): Avoid
1725         processing same node twice.
1726
1727 2010-09-19  Anatoly Sokolov  <aesok@post.ru>
1728
1729         * config/bfin/bfin.h (CLASS_LIKELY_SPILLED_P): Remove.
1730         * config/bfin/bfin.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
1731         (bfin_class_likely_spilled_p): New function
1732
1733 2010-09-19  Ira Rosen  <irar@il.ibm.com>
1734
1735         PR tree-optimization/45714
1736         * tree-vect-stmts.c (vect_transform_stmt): Use a dummy statement
1737         created in vectorizable_call instead of the original statement in
1738         def stmt updates.
1739
1740 2010-09-19  Uros Bizjak  <ubizjak@gmail.com>
1741
1742         * config/i386/i386-protos.h (split_double_mode): New prototype.
1743         (split_di, split_ti): Remove prototypes.
1744         * config/i386/i386.c (split_double_mode): New function.
1745         (split_di, split_ti): Remove.
1746         (ix86_expand_branch): Use split_double_mode.
1747         (ix86_split_to_parts): Ditto.
1748         (ix86_split_ashl): Ditto.
1749         (ix86_split_ashr): Ditto.
1750         (ix86_split_lshr): Ditto.
1751         (ix86_force_to_memory): Ditto.
1752         * config/i386/i386.md: Use split_double_mode in double-mode splitters.
1753
1754 2010-09-18  Jan Hubicka  <jh@suse.cz>
1755
1756         PR tree-optimization/45453
1757         * cgraphunit.c (cgraph_finalize_function): Consider comdat & external
1758         virtual functions are reachable.
1759         * ipa-inline.c (cgraph_clone_inlined_nodes): Likewise.
1760         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1761         * ipa-prop.c (ipa_modify_formal_parameters): Clear DECL_VIRTUAL_P
1762         when modifying function.
1763
1764 2010-09-18  Jan Hubicka  <jh@suse.cz>
1765
1766         PR tree-optimization/45605
1767         * cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack.
1768         * gimple-fold.c (static_object_in_other_unit_p): New function.
1769         (canonicalize_constructor_val): Use it.
1770         (get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val
1771         returning NULL.
1772         (gimple_fold_obj_type_ref_known_binfo): Use
1773         static_object_in_other_unit_p.
1774
1775 2010-09-18  Richard Guenther  <rguenther@suse.de>
1776
1777         PR tree-optimization/45709
1778         * tree-inline.c (copy_phis_for_bb): Delay commit of edge
1779         insertions until after all PHI nodes of the block are processed.
1780
1781 2010-09-18  Tijl Coosemans  <tijl@coosemans.org>
1782
1783         * config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Add.
1784
1785 2010-09-18  Kai Tietz  <kai.tietz@onevision.com>
1786
1787         * config.gcc (*-w64-mingw*): Correct typo about t-dfprules.
1788
1789 2010-09-18  Richard Guenther  <rguenther@suse.de>
1790
1791         PR tree-optimization/45709
1792         * tree-inline.c (copy_phis_for_bb): Fixup new_edge when we splitted it.
1793
1794 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1795
1796         * graphite-dependences.c (dot_deps): Add DEBUG_FUNCTION.
1797         (dot_deps_stmt): Same.
1798         * graphite-poly.c (dot_lst): Same.
1799         * graphite-scop-detection.c (dot_all_scops): Same.
1800         (dot_scop): Same.
1801
1802 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         Revert:
1805         2009-12-16  Ben Elliston  <bje@au.ibm.com>
1806
1807         * tree-data-ref.c (dot_rdg_1): Added back.
1808         (dot_rdg): Same.  Added "#if 0" around system call.
1809
1810 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
1811             Richard Henderson  <rth@redhat.com>
1812
1813         * config/i386/i386.c (initial_ix86_tune_features): Add
1814         X86_TUNE_PAD_SHORT_FUNCTION.
1815         (ix86_code_end): Pad with 8 NOPs for TARGET_PAD_SHORT_FUNCTION.
1816         (ix86_count_insn): New.
1817         (ix86_pad_short_function): Likewise.
1818         (ix86_reorg): Support TARGET_PAD_SHORT_FUNCTION.
1819
1820         * config/i386/i386.h (ix86_tune_indices): Add
1821         X86_TUNE_PAD_SHORT_FUNCTION.
1822         (TARGET_PAD_SHORT_FUNCTION): New.
1823
1824         * config/i386/i386.md (UNSPEC_NOPS): New.
1825         (nops): Likewise.
1826
1827 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
1828
1829         PR middle-end/45234
1830         * calls.c (expand_call): Make sure that all variable sized
1831         adjustments are multiple of preferred stack boundary after
1832         stack alignment.
1833
1834 2010-09-17  DJ Delorie  <dj@redhat.com>
1835
1836         * config/rx/rx.c (rx_print_operand): If __builtin_rx_setpsw() is
1837         passed an invalid value, print an error instead of ICEing.
1838         (valid_psw_flag): New.
1839         (rx_expand_builtin): Call it for setpsw/clrpsw.
1840         (rx_expand_builtin_mvtipl): Pass an integer to IN_RANGE, not an RTX.
1841
1842         * config/rx/rx.md (bitclr): Don't mark the output as early-clobber.
1843         (bitclr_in_memory): Likewise.
1844         (clrspw, setpsw, mvfc, mvtc, mvtipl): Make volatile.
1845
1846 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
1847
1848         PR middle-end/45678
1849         * cfgexpand.c (update_stack_alignment): New.
1850         (get_decl_align_unit): Use it.
1851         (expand_one_stack_var_at): Call update_stack_alignment.
1852
1853 2010-09-17  Richard Guenther  <rguenther@suse.de>
1854
1855         * lto-streamer-in.c (lto_input_ts_translation_unit_decl_tree_pointers):
1856         Properly copy the read string.
1857
1858 2010-09-17  Joseph Myers  <joseph@codesourcery.com>
1859
1860         * doc/options.texi (Variable): Document.
1861         * optc-gen.awk, opth-gen.awk: Handle Variable records.  Don't
1862         generate target_flags declarations explicitly.  Don't define
1863         VarExists variables for the driver.
1864         * common.opt (target_flags): New Variable record.
1865         (flag_dump_unnumbered, flag_dump_unnumbered_links,
1866         flag_var_tracking, flag_var_tracking_assignments,
1867         flag_var_tracking_assignments_toggle): Don't mark variables with
1868         VarExists.
1869         * config/i386/i386.c (ix86_isa_flags): Don't define here.
1870         * config/i386/i386.opt (ix86_isa_flags): Define here.
1871         * config/mcore/mcore.c (mcore_stack_increment): Don't define here.
1872         * config/mcore/mcore.opt (mcore_stack_increment): Don't mark with
1873         VarExists.
1874         * flags.h (flag_dump_unnumbered, flag_var_tracking): Remove.
1875         * print-rtl.c (flag_dump_unnumbered, flag_dump_unnumbered_links):
1876         Only define for generator programs.
1877         * rtlanal.c (target_flags): Remove.
1878         * toplev.c (flag_var_tracking, flag_var_tracking_assignments,
1879         flag_var_tracking_assignments_toggle): Remove.
1880
1881 2010-09-17  Michael Matz  <matz@suse.de>
1882
1883         PR tree-optimization/43432
1884         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1885         Accept backwards consecutive accesses.
1886         (vect_create_data_ref_ptr): If step is negative generate
1887         decreasing IVs.
1888         * tree-vect-stmts.c (vectorizable_store): Reject negative steps.
1889         (perm_mask_for_reverse, reverse_vec_elements): New functions.
1890         (vectorizable_load): Handle loads with negative steps when easily
1891         possible.
1892
1893 2010-09-03  Jan Hubicka  <jh@suse.cz>
1894
1895         * lto-cgraph.c (compute_ltrans_boundary): Use const_value_known.
1896
1897 2010-09-03  Naveen H.S  <naveen.S@kpitcummins.com>
1898
1899         * config/v850/v850.c (v850_function_value_regno_p): Make static.
1900         Adjust comments. Declare.
1901         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1902         * config/v850/v850.h (FUNCTION_VALUE_REGNO_P): Delete.
1903
1904 2010-09-17  Richard Guenther  <rguenther@suse.de>
1905
1906         * common.opt (combine): Remove.
1907         * gcc.c (default_compilers): Remove specs testing combine.
1908         The C compilers no longer can combine.
1909         (option_map): Remove -combine.
1910         (display_help): Remove -combine.
1911         (driver_handle_option): Remove OPT_combine handling.
1912         (compile_input_file_p): Remove.
1913         (do_spec): Remove code concerning combine.
1914         (main): Likewise.
1915         * doc/invoke.texi: Remove traces of -combine.
1916         * lto-wrapper.c (run_gcc): Do not pass -combine to the compiler driver.
1917
1918 2010-09-17  Richard Guenther  <rguenther@suse.de>
1919
1920         PR middle-end/45678
1921         * builtins.c (fold_builtin_memory_op): Always properly adjust
1922         alignment of memory accesses.
1923
1924 2010-09-16  Jan Hubicka  <jh@suse.cz>
1925
1926         * lto-cgraph.c (input_overwrite_node): Do not set DECL_EXTERNAL when
1927         processing clone.
1928
1929 2010-09-16  H.J. Lu  <hongjiu.lu@intel.com>
1930
1931         * config/i386/i386-protos.h (ix86_split_idivmod): New prototype.
1932
1933         * config/i386/i386.c (predict_jump): Add prototype.
1934         (flag_opts): Add -m8bit-idiv.
1935         (ix86_split_idivmod): New.
1936
1937         * config/i386/i386.md (UNSPEC_DIV_ALREADY_SPLIT): New.
1938         Add 2 splitters for SI/DI mode divide.
1939         (divmod<mode>4_1): New pattern.
1940         (udivmod<mode>4_1): Likewise.
1941         (testdi_ccno_1): Likewise.
1942
1943         * config/i386/i386.opt (m8bit-idiv): New.
1944
1945         * doc/invoke.texi: Document -m8bit-idiv.
1946
1947 2010-09-16  Reza Yazdani  <reza.yazdani@amd.com>
1948
1949         PR bootstrap/45680
1950         * config/i386/i386.c (min_insn_size): Moved out of the
1951         ASM_OUTPUT_MAX_SKIP_PAD ifdef.
1952
1953 2010-09-16  Jan Hubicka  <jh@suse.cz>
1954
1955         * lto-cgraph.c (lto_output_node): Fix handling of clones.
1956         * ipa.c (cgraph_remove_unreachabloe_nodes): Fix handling of
1957         unreachable clones with reachable clones.
1958         * tree-inline.c (copy_bb): Fix sanity checking when producing
1959         unreachable clone.
1960
1961 2010-09-16  Anatoly Sokolov  <aesok@post.ru>
1962
1963         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Remove.
1964         (TARGET_MEMORY_MOVE_COST): Define.
1965         (m32r_function_arg): Annotate argument 'type' with ATTRIBUTE_UNUSED.
1966
1967 2010-09-16  Alexander Monakov  <amonakov@ispras.ru>
1968
1969         * sel-sched.c (move_cond_jump): Use tidy_control_flow instead of
1970         maybe_tidy_empty_bb.
1971
1972         Revert:
1973         2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
1974         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
1975
1976 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
1977
1978         * target.def (target_option.optimization): New hook.
1979         * doc/tm.texi.in (OPTIMIZATION_OPTIONS): Change to
1980         TARGET_OPTION_OPTIMIZATION hook.
1981         * doc/tm.texi: Regenerate.
1982         * hooks.c (hook_void_int_int): New.
1983         * hooks.h (hook_void_int_int): Declare.
1984         * opts.c: Don't include tm_p.h.
1985         (decode_options): Use targetm.target_option.optimization instead
1986         of OPTIMIZATION_OPTIONS.
1987         * system.h (OPTIMIZATION_OPTIONS): Poison.
1988         * config/arm/arm-protos.h (arm_optimization_options): Remove.
1989         * config/arm/arm.c (TARGET_OPTION_OPTIMIZATION): Define.
1990         (arm_optimization_options): Rename to arm_option_optimization.
1991         Make static.
1992         * config/arm/arm.h (OPTIMIZATION_OPTIONS): Remove.
1993         * config/cris/cris.c (TARGET_OPTION_OPTIMIZATION): Define.
1994         (cris_option_optimization): New.
1995         * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove.
1996         * config/crx/crx.c (TARGET_OPTION_OPTIMIZATION): Define.
1997         (crx_option_optimization): New.
1998         * config/crx/crx.h (OPTIMIZATION_OPTIONS): Remove.
1999         * config/frv/frv-protos.h (frv_optimization_options): Remove.
2000         * config/frv/frv.c (TARGET_OPTION_OPTIMIZATION): Define.
2001         (frv_optimization_options): Rename to frv_option_optimization.
2002         Make static.
2003         * config/frv/frv.h (OPTIMIZATION_OPTIONS): Remove.
2004         * config/h8300/h8300.c (h8300_option_optimization): New.
2005         (TARGET_OPTION_OPTIMIZATION): Define.
2006         * config/h8300/h8300.h (OPTIMIZATION_OPTIONS): Remove.
2007         * config/i386/i386-protos.h (optimization_options): Remove.
2008         * config/i386/i386.c (optimization_options): Rename to
2009         ix86_option_optimization.  Make static.
2010         (TARGET_OPTION_OPTIMIZATION): Define.
2011         * config/i386/i386.h (OPTIMIZATION_OPTIONS): Remove.
2012         * config/ia64/ia64-protos.h (ia64_optimization_options): Remove.
2013         * config/ia64/ia64.c (TARGET_OPTION_OPTIMIZATION): Define.
2014         (ia64_optimization_options): Rename to ia64_option_optimization.
2015         Make static.  Call SUBTARGET_OPTIMIZATION_OPTIONS.
2016         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): Remove.  Remove
2017         commented-out definition.
2018         * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
2019         instead of OPTIMIZATION_OPTIONS.
2020         * config/m32r/m32r.c (TARGET_OPTION_OPTIMIZATION): Define.
2021         (m32r_option_optimization): New.
2022         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove.
2023         * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
2024         Remove.
2025         * config/mcore/mcore.c (TARGET_OPTION_OPTIMIZATION): Define.
2026         (mcore_option_optimization): New.
2027         * config/mcore/mcore.h (OPTIMIZATION_OPTIONS): Remove.
2028         * config/mep/mep-protos.h (mep_optimization_options): Remove.
2029         * config/mep/mep.c (TARGET_OPTION_OPTIMIZATION): Define.
2030         (mep_optimization_options): Rename to mep_option_optimization.
2031         Make static.  Take unused level and size parameters.
2032         * config/mep/mep.h (OPTIMIZATION_OPTIONS): Remove.
2033         * config/mmix/mmix.c (TARGET_OPTION_OPTIMIZATION): Define.
2034         (mmix_option_optimization): New.
2035         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove.
2036         * config/pdp11/pdp11.c (TARGET_OPTION_OPTIMIZATION): Define.
2037         (pdp11_option_optimization): New.
2038         * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Remove.
2039         * config/rs6000/rs6000-protos.h (optimization_options): Remove.
2040         * config/rs6000/rs6000.c (TARGET_OPTION_OPTIMIZATION): Define.
2041         (optimization_options): Rename to rs6000_option_optimization.
2042         Make static.
2043         * config/rs6000/rs6000.h (OPTIMIZATION_OPTIONS): Remove.
2044         * config/rx/rx-protos.h (rx_set_optimization_options): Remove.
2045         * config/rx/rx.c (rx_set_optimization_options): Rename to
2046         rx_option_optimization.  Make static.  Take unused level and size
2047         parameters.
2048         (TARGET_OPTION_OPTIMIZATION): Define.
2049         * config/rx/rx.h (OPTIMIZATION_OPTIONS): Remove.
2050         * config/s390/s390-protos.h (optimization_options): Remove.
2051         * config/s390/s390.c (optimization_options): Rename to
2052         s390_option_optimization.  Make static.  Don't mark size parameter
2053         unused.
2054         (TARGET_OPTION_OPTIMIZATION): Define.
2055         * config/s390/s390.h (OPTIMIZATION_OPTIONS): Remove.
2056         * config/sh/sh-protos.h (sh_optimization_options): Remove.
2057         * config/sh/sh.c (TARGET_OPTION_OPTIMIZATION): Define.
2058         (sh_optimization_options): Rename to sh_option_optimization.  Make
2059         static.  Don't mark parameters unused.
2060         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Remove.
2061         * config/spu/spu-protos.h (spu_optimization_options): Remove.
2062         * config/spu/spu.c (TARGET_OPTION_OPTIMIZATION): Define.
2063         (spu_optimization_options): Rename to spu_option_optimization.
2064         Make static.
2065         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Remove.
2066         * config/v850/v850.c (TARGET_OPTION_OPTIMIZATION): Define.
2067         (v850_option_optimization): New.
2068         * config/v850/v850.h (OPTIMIZATION_OPTIONS): Remove.
2069         * config/xtensa/xtensa.c (TARGET_OPTION_OPTIMIZATION): Define.
2070         (xtensa_option_optimization): New.
2071         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Remove.
2072
2073 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
2074
2075         * doc/tm.texi.in (OVERRIDE_OPTIONS): Remove documentation.
2076         (C_COMMON_OVERRIDE_OPTIONS): Don't refer to OVERRIDE_OPTIONS.
2077         * doc/tm.texi: Regenerate.
2078         * system.h (OVERRIDE_OPTIONS): Poison.
2079         * target.def (override): Default to hook_void_void.
2080         * targhooks.c (default_target_option_override): Remove.
2081         * genmodes.c, machmode.def: Update comments mentioning
2082         OVERRIDE_OPTIONS.
2083         * config/alpha/alpha-modes.def: Update comment mentioning
2084         alpha_override_options.
2085         * config/alpha/alpha-protos.h (override_options): Remove.
2086         * config/alpha/alpha.c (override_options): Rename to
2087         alpha_option_override.  Call SUBTARGET_OVERRIDE_OPTIONS.  Make static.
2088         (TARGET_OPTION_OVERRIDE): Define.
2089         * config/alpha/alpha.h (OVERRIDE_OPTIONS): Remove.
2090         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead
2091         of OVERRIDE_OPTIONS.
2092         * config/arc/arc-protos.h (arc_init): Remove.
2093         * config/arc/arc.c (TARGET_OPTION_OVERRIDE): Define.
2094         (arc_init): Rename to arc_option_override.  Make static.
2095         * config/arc/arc.h (ARC_EXTENSION_CPU): Correct comment.
2096         (OVERRIDE_OPTIONS): Remove.
2097         * config/arm/arm-protos.h (arm_override_options): Remove.
2098         * config/arm/arm.c (TARGET_OPTION_OVERRIDE): Define.
2099         (arm_override_options): Rename to arm_option_override.  Make
2100         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
2101         * config/arm/arm.h (OVERRIDE_OPTIONS): Remove.
2102         * config/arm/arm.md: Update comment referring to arm_override_options.
2103         * config/arm/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
2104         instead of OVERRIDE_OPTIONS.
2105         * config/avr/avr-protos.h (avr_override_options): Remove.
2106         * config/avr/avr.c (TARGET_OPTION_OVERRIDE): Define.
2107         (avr_override_options): Rename to avr_option_override.  Make static.
2108         * config/avr/avr.h (OVERRIDE_OPTIONS): Remove.
2109         * config/bfin/bfin-protos.h (override_options): Remove (twice).
2110         * config/bfin/bfin.c (override_options): Rename to
2111         bfin_option_override.  Make static.
2112         (TARGET_OPTION_OVERRIDE): Define.
2113         * config/bfin/bfin.h (OVERRIDE_OPTIONS): Remove.
2114         * config/cris/cris-protos.h (cris_override_options): Remove.
2115         * config/cris/cris.c (TARGET_OPTION_OVERRIDE): Define.
2116         (cris_override_options): Rename to cris_option_override.  Make static.
2117         * config/cris/cris.h (OVERRIDE_OPTIONS): Remove.
2118         * config/frv/frv-protos.h (frv_override_options): Remove.
2119         * config/frv/frv.c (TARGET_OPTION_OVERRIDE): Define.
2120         (frv_override_options): Rename to frv_option_override.  Make static.
2121         * config/frv/frv.h (OVERRIDE_OPTIONS): Remove.
2122         * config/h8300/h8300-protos.h (h8300_init_once): Remove.
2123         * config/h8300/h8300.c (h8300_init_once): Rename to
2124         h8300_option_override.  Make static.
2125         (TARGET_OPTION_OVERRIDE): Define.
2126         * config/h8300/h8300.h (OVERRIDE_OPTIONS): Remove.
2127         * config/i386/i386-protos.h (override_options): Remove.
2128         * config/i386/i386.c (override_options): Rename to
2129         ix86_option_override_internal.  Make static.  Comments referring
2130         to this function and callers changed.
2131         (ix86_option_override): New.
2132         (TARGET_OPTION_OVERRIDE): Define.
2133         * config/i386/i386.h (OVERRIDE_OPTION): Remove.
2134         * config/i386/linux64.h (DEFAULT_PCC_STRUCT_RETURN): Update comment.
2135         * config/ia64/ia64.c (ia64_file_start): Update comment referring
2136         to ia64_override_options.
2137         * config/iq2000/iq2000-protos.h (override_options): Remove.
2138         * config/iq2000/iq2000.c (TARGET_OPTION_OVERRIDE): Define.
2139         (override_options): Rename to iq2000_option_override.  Make static.
2140         * config/iq2000/iq2000.h (OVERRIDE_OPTIONS): Remove.
2141         * config/lm32/lm32-protos.h (lm32_override_options): Remove.
2142         * config/lm32/lm32.c (TARGET_OPTION_OVERRIDE): Define.
2143         (lm32_override_options): Rename to lm32_option_override.  Make static.
2144         * config/lm32/lm32.h (OVERRIDE_OPTIONS): Remove.
2145         * config/m32r/m32r.c (TARGET_OPTION_OVERRIDE): Define.
2146         (m32r_option_override): New.
2147         (m32r_init): Update comment.
2148         * config/m32r/m32r.h (OVERRIDE_OPTIONS): Remove.
2149         * config/m68hc11/m68hc11-protos.h (m68hc11_override_options): Remove.
2150         * config/m68hc11/m68hc11.c (TARGET_OPTION_OVERRIDE): Define.
2151         (m68hc11_override_options): Rename to m68hc11_option_override.
2152         Make static.  Return void.
2153         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove.
2154         * config/m68k/m68k-protos.h (override_options): Remove.
2155         * config/m68k/m68k.c (TARGET_OPTION_OVERRIDE): Define.
2156         (override_options): Rename to m68k_option_override.  Make static.
2157         * config/m68k/m68k.h (OVERRIDE_OPTIONS): Remove.
2158         * config/mcore/mcore-protos.h (mcore_override_options): Remove.
2159         * config/mcore/mcore.c (TARGET_OPTION_OVERRIDE): Define.
2160         (mcore_override_options): Rename to mcore_option_override.  Make
2161         static.
2162         * config/mcore/mcore.h (OVERRIDE_OPTIONS): Remove.
2163         * config/mep/mep-protos.h (mep_override_options): Remove.
2164         * config/mep/mep.c (TARGET_OPTION_OVERRIDE): Define.
2165         (mep_override_options): Rename to mep_option_override.  Make static.
2166         * config/mep/mep.h (OVERRIDE_OPTIONS): Remove.
2167         * config/mmix/mmix-protos.h (mmix_override_options): Remove.
2168         * config/mmix/mmix.c (TARGET_OPTION_OVERRIDE): Define.
2169         (mmix_override_options): Rename to mmix_option_override.  Make static.
2170         * config/mmix/mmix.h (OVERRIDE_OPTIONS): Remove.
2171         * config/mn10300/mn10300-protos.h (mn10300_override_options): Remove.
2172         * config/mn10300/mn10300.c (TARGET_OPTION_OVERRIDE): Define.
2173         (mn10300_override_options): Rename to mn10300_option_override.
2174         Make static.
2175         * config/mn10300/mn10300.h (OVERRIDE_OPTIONS): Remove.
2176         * config/moxie/moxie-protos.h (moxie_override_options): Remove.
2177         * config/moxie/moxie.c (moxie_override_options): Rename to
2178         moxie_option_override.  Make static.
2179         (TARGET_OPTION_OVERRIDE): Define.
2180         * config/moxie/moxie.h (OVERRIDE_OPTIONS): Remove.
2181         * config/picochip/picochip-protos.h (picochip_override_options):
2182         Remove.  Update comment referring to picochip_override_options.
2183         * config/picochip/picochip.c (TARGET_OPTION_OVERRIDE): Define.
2184         (picochip_override_options): Rename to picochip_option_override.
2185         Make static.  Update comment and definition of
2186         TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE.
2187         * config/picochip/picochip.h (OVERRIDE_OPTIONS): Remove.
2188         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2189         * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2190         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2191         * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2192         * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2193         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Define
2194         instead of OVERRIDE_OPTIONS.
2195         * config/rs6000/rs6000-modes.def: Update comment referring to
2196         rs6000_override_options.
2197         * config/rs6000/rs6000-protos.h (rs6000_override_options): Remove.
2198         * config/rs6000/rs6000.c (TARGET_OPTION_OVERRIDE): Define.
2199         (rs6000_override_options): Rename to
2200         rs6000_option_override_internal.  Make static.  Commented
2201         referring to rs6000_override_options and OVERRIDE_OPTIONS updated.
2202         (rs6000_option_override): New.
2203         * config/rs6000/rs6000.h (OPTION_TARGET_CPU_DEFAULT): Define
2204         instead of OVERRIDE_OPTIONS.
2205         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
2206         * config/s390/s390-protos.h (override_options): Remove.
2207         * config/s390/s390.c (override_options): Rename to
2208         s390_option_override.  Make static.
2209         (TARGET_OPTION_OVERRIDE): Define.
2210         * config/s390/s390.h (OVERRIDE_OPTIONS): Remove.
2211         * config/score/score-protos.h (score_override_options): Remove.
2212         * config/score/score.c (TARGET_OPTION_OVERRIDE): Define.
2213         (score_override_options): Rename to score_option_override.  Make
2214         static.
2215         * config/score/score.h (OVERRIDE_OPTIONS): Remove.
2216         Update comment referring to override_options.
2217         * config/score/score3.c (score3_override_options): Rename to
2218         score3_option_override.
2219         * config/score/score3.h (score3_override_options): Rename to
2220         score3_option_override.
2221         * config/score/score7.c (score7_override_options): Rename to
2222         score7_option_override.
2223         * config/score/score7.h (score7_override_options): Rename to
2224         score7_option_override.
2225         * config/sh/sh.c: Update comments referring to OVERRIDE_OPTIONS.
2226         * config/sparc/sparc.c (TARGET_OPTION_OVERRIDE): Define.
2227         (sparc_override_options): Rename to sparc_option_override.  Make
2228         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
2229         * config/sparc/sparc.h (OVERRIDE_OPTIONS): Remove.
2230         * config/sparc/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
2231         instead of OVERRIDE_OPTIONS.
2232         * config/spu/spu-protos.h (spu_override_options): Remove.
2233         * config/spu/spu.c (TARGET_OPTION_OVERRIDE): Define.
2234         (spu_override_options): Rename to spu_option_override.  Make
2235         static.
2236         * config/spu/spu.h (OVERRIDE_OPTIONS): Remove.
2237         * config/vax/elf.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead of
2238         OVERRIDE_OPTIONS.
2239         * config/vax/vax-protos.h (override_options): Remove.
2240         * config/vax/vax.c (TARGET_OPTION_OVERRIDE): Define.
2241         (override_options): Rename to vax_option_override.  Make static.
2242         Call SUBTARGET_OVERRIDE_OPTIONS.
2243         * config/vax/vax.h (OVERRIDE_OPTIONS): Remove.
2244         * config/vxworks.c: Update comment referring to OVERRIDE_OPTIONS.
2245         * config/vxworks.h: Update comment referring to OVERRIDE_OPTIONS.
2246         * config/xtensa/xtensa-protos.h (override_options): Remove.
2247         * config/xtensa/xtensa.c (TARGET_OPTION_OVERRIDE): Define.
2248         (override_options): Rename to xtensa_option_override.  Make static.
2249         * config/xtensa/xtensa.h (OVERRIDE_OPTIONS): Remove.
2250
2251 2010-09-16  Richard Guenther  <rguenther@suse.de>
2252
2253         PR tree-optimization/45623
2254         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
2255         (get_constraint_for_component_ref): If computing a constraint
2256         for the rhs handle type punning through unions.
2257         (get_constraint_for_address_of): Adjust.
2258         (get_constraint_for_1): Likewise.
2259         (get_constraint_for): Likewise.
2260         (get_constraint_for_rhs): New function.
2261         (do_structure_copy): Adjust.
2262         (make_constraint_to): Likewise.
2263         (handle_const_call): Likewise.
2264         (find_func_aliases): Likewise.
2265         (process_ipa_clobber): Likewise.
2266         (create_variable_info_for): Likewise.
2267
2268 2010-09-16  Ira Rosen  <irar@il.ibm.com>
2269
2270         * tree-vectorizer.c: Fix documentation.
2271         * tree-vectorizer.h (vinfo_for_stmt): Add documentation.
2272         (set_vinfo_for_stmt, get_earlier_stmt, get_later_stmt,
2273         is_pattern_stmt_p, is_loop_header_bb_p,
2274         stmt_vinfo_set_inside_of_loop_cost,
2275         stmt_vinfo_set_outside_of_loop_cost, vect_pow2, aligned_access_p,
2276         known_alignment_for_access_p): Likewise.
2277         * tree-vect-loop.c: Fix documentation.
2278         (vect_get_cost): Start function name from new line.
2279         * tree-vect-data-refs.c: Fix documentation.
2280         * tree-vect_stmts.c: Likewise.
2281         (vect_create_vectorized_promotion_stmts): Always free vec_tmp.
2282         (vectorizable_store): Free vec_oprnds if allocated.
2283         (vectorizable_condition): Initialize several variables to avoid
2284         warnings.
2285         * tree-vect-slp.c: Fix documentation.
2286
2287 2010-09-16  Richard Guenther  <rguenther@suse.de>
2288
2289         * tree.c (tree_node_structure_for_code): TRANSLATION_UNIT_DECL
2290         is TS_TRANSLATION_UNIT_DECL.
2291         (initialize_tree_contains_struct): Adjust.
2292         (all_translation_units): New global vector.
2293         (build_translation_unit_decl): New function.
2294         * tree.h (TRANSLATION_UNIT_LANGUAGE): New macro.
2295         (struct tree_translation_unit_decl): New.
2296         (all_translation_units): Declare.
2297         (union tree_node): Add translation_unit_decl member.
2298         (build_translation_unit_decl): Declare.
2299         * treestruct.def (TS_TRANSLATION_UNIT_DECL): New.
2300         * lto-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
2301         New function.
2302         (pack_value_fields): Call it.
2303         (lto_output_tree_ref): Handle references to TRANSLATION_UNIT_DECL.
2304         (lto_output_ts_translation_unit_decl_tree_pointers): New function.
2305         (lto_output_tree_pointers): Call it.
2306         * lto-streamer-in.c (lto_input_tree_ref): Handle references
2307         to TRANSLATION_UNIT_DECL.
2308         (unpack_ts_translation_unit_decl_value_fields): New function.
2309         (unpack_value_fields): Call it.
2310         (lto_input_ts_translation_unit_decl_tree_pointers): New function.
2311         (lto_input_tree_pointers): Call it.
2312         * lto-streamer.c (check_handled_ts_structures): Adjust.
2313         * lto-streamer.h (enum LTO_tags): Add LTO_translation_unit_decl_ref.
2314         * c-decl.c (all_translation_units): Remove.
2315         (pop_scope): Use build_translation_unit_decl.
2316         (collect_all_refs): Adjust.
2317         (for_each_global_decl): Likewise.
2318         (c_write_global_declarations): Likewise.
2319
2320 2010-09-16  Jakub Jelinek  <jakub@redhat.com>
2321
2322         PR bootstrap/45686
2323         * fold-const.c (fold_checksum_tree): Change slot from const void **
2324         to void **, use CONST_CAST_TREE to store into *slot.
2325
2326 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
2327
2328         * config/i386/i386.md: Remove unneeded empty conditions and
2329         preparation statements from expanders.
2330         * config/i386/mmx.md: Ditto.
2331         * config/i386/sse.md: Ditto.
2332
2333 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         * config/i386/i386.h (PUSH_ROUNDING): Redefine using UNITS_PER_WORD.
2336
2337 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2338
2339         PR rtl-optimization/45593
2340         * reorg.c (relax_delay_slots): Use emit_copy_of_insn_after to re-emit
2341         insns that were in delay slots as stand-alone insns.
2342
2343 2010-09-15  Ian Lance Taylor  <iant@google.com>
2344
2345         * incpath.c (remove_duplicates): If name is not a directory, issue
2346         a warning rather than an error.
2347
2348 2010-09-15  Martin Jambor  <mjambor@suse.cz>
2349
2350         PR middle-end/45644
2351         * tree-sra.c (create_access): Check for bit-fields directly.
2352
2353 2010-09-15  Jakub Jelinek  <jakub@redhat.com>
2354
2355         PR tree-optimization/45633
2356         * tree-cfg.c (verify_gimple_assign_binary): Allow
2357         MINUS_EXPR with lhs and rhs1 pointer vector and
2358         rhs2 sizetype vector.
2359         * expr.c (expand_expr_real_2) <case PLUS_EXPR>: For pointer
2360         or vector pointer use TER to optimize pointer subtraction.
2361
2362 2010-09-15  Jie Zhang  <jie@codesourcery.com>
2363
2364         * config/arm/vfp.md (cmpsf_trap_vfp): Change type from
2365         fcmpd to fcmps.
2366
2367 2010-09-15  Ian Lance Taylor  <iant@google.com>
2368
2369         * config/i386/i386.md (truncxf<mode>2): Fix indentation.
2370
2371 2010-09-15  Ian Lance Taylor  <iant@google.com>
2372
2373         * function.c (get_arg_pointer_save_area): Set
2374         arg_pointer_save_area_init to true.
2375
2376 2010-09-15  Martin Jambor  <mjambor@suse.cz>
2377
2378         * tree-sra.c (generate_subtree_copies): Updated comment.
2379         (handle_unscalarized_data_in_subtree): Removed parameter lhs which is
2380         obtained from the statement iterator instead.
2381         (load_assign_lhs_subreplacements): Removed parameters lhs and
2382         right_offset, which is obtained from top_racc instead.  Parameter lacc
2383         is now expected to be the root of the processed tree rather than root's
2384         first child.  Updated all callers.
2385
2386 2010-09-15  Joseph Myers  <joseph@codesourcery.com>
2387
2388         * config/pdp11/pdp11.c (register_move_cost): Rename to
2389         pdp11_register_move_cost.
2390         * config/pdp11/pdp11-protos.h (register_move_cost): Rename to
2391         pdp11_register_move_cost.
2392         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Call
2393         pdp11_register_move_cost instead of register_move_cost.
2394
2395 2010-09-15  Tejas Belagod  <tejas.belagod@arm.com>
2396
2397         * config/arm/neon.md (vec_pack_trunc_<mode>): Instruction
2398         pattern for vmovn. Expansion in case of non
2399         -mvectorize-with-neon-quad.
2400         (neon_vec_pack_trunc_<mode>): Instruction pattern for vmovn for
2401         non- -mvectorize-with-neon-quad case.
2402         (move_lo_quad_<mode>): New expansion to vmov into low part.
2403         (move_hi_quad_<mode>): New expansion to vmov into high part.
2404         (move_lo_quad_v4si): Refactor to move_lo_quad_<mode> expansion.
2405         (move_lo_quad_v4sf): Likewise.
2406         (move_lo_quad_v8hi): Likewise.
2407         (neon_move_lo_quad_<mode>): Instruction pattern for vmov into
2408         low part.
2409         (neon_move_hi_quad_<mode>): Instruction pattern for vmov into
2410         high part.
2411         * config/arm/iterators.md (ANY128): New mode iterator.
2412         (V_narrow_pack): New mode attribute.
2413         (V_HALF): Add attribute.
2414         (V_DOUBLE): Add attribute.
2415         (V_mode_nunits): Add attribute.
2416
2417 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
2418
2419         * config/alpha/alpha.c (alpha_expand_prologue): If stack checking
2420         is enabled, probe up to frame_size + STACK_CHECK_PROTECT bytes.
2421
2422 2010-09-15  Olivier Hainque  <hainque@adacore.com>
2423             Jose Ruiz  <ruiz@adacore.com>
2424
2425         * config/alpha/osf5.h (MD_UNWIND_SUPPORT): Define.
2426         * config/alpha/osf5-unwind.h: New file.
2427
2428 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
2429
2430         PR bootstrap/45672
2431         * config/mips/mips.c (mips_units_per_simd_word): Correct return type.
2432         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
2433         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
2434
2435 2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2436
2437         * c-lang.h (struct lang_type): Add variable_size GTY option.
2438
2439 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
2440
2441         PR bootstrap/45672
2442         * config/rs6000/rs6000.c (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
2443
2444 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
2445
2446         * config/i386/i386.c (ix86_lea_for_add_ok): Return false if
2447         result isn't used in memory address.
2448
2449 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
2450
2451         * defaults.h (UNITS_PER_SIMD_WORD): Removed.
2452         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Likewise.
2453         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
2454         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2455         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2456         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2457
2458         * target.def: Add units_per_simd_word to vectorize.
2459
2460         * targhooks.c (default_units_per_simd_word): New.
2461         * targhooks.h (default_units_per_simd_word): Likewise.
2462         * config/arm/arm.c (arm_units_per_simd_word): Likewise.
2463         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
2464         * config/mips/mips.c (mips_units_per_simd_word): Likewise.
2465         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
2466         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
2467         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
2468         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
2469         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
2470
2471         * tree-vect-loop.c: Replace UNITS_PER_SIMD_WORD with
2472         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD in comments.
2473
2474         * tree-vect-stmts.c: Don't include "tm_p.h".
2475         (get_vectype_for_scalar_type): Replace UNITS_PER_SIMD_WORD
2476         with targetm.vectorize.units_per_simd_word.
2477
2478         * system.h (UNITS_PER_SIMD_WORD): Poisoned.
2479
2480         * config/i386/i386-protos.h (ix86_units_per_simd_word): Removed.
2481
2482         * config/i386/i386.c (ix86_units_per_simd_word): Make it static.
2483         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
2484
2485         * doc/tm.texi.in: Remove UNITS_PER_SIMD_WORD.  Add
2486         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD.
2487
2488         * doc/tm.texi: Regenerated.
2489
2490 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
2491
2492         * tree-vect-stmts.c: Include "tm_p.h".
2493
2494         * config/i386/i386-protos.h (ix86_units_per_simd_word): Moved
2495         out of RTX_CODE.
2496
2497 2010-09-14  Martin Jambor  <mjambor@suse.cz>
2498
2499         * tree-sra.c (build_ref_for_offset): Loc made a parameter.  Set the
2500         location of generated statement.  Changed all callers.
2501         (build_ref_for_model): New parameter loc which used to set location of
2502         all generated expressions.  Changed all callers.
2503         (generate_subtree_copies): Likewise.
2504         (init_subtree_with_zero): Likewise.
2505         (sra_modify_expr): Set locations of all generated statements and
2506         expressions to the location the original statement.
2507         (handle_unscalarized_data_in_subtree): Likewise.
2508         (load_assign_lhs_subreplacements): Likewise.
2509         (sra_modify_constructor_assign): Likewise.
2510         (sra_modify_assign): Likewise.
2511
2512 2010-09-14  Eric Botcazou  <ebotcazou@adacore.com>
2513
2514         PR target/45277
2515         PR target/45363
2516         PR target/45407
2517         * doc/install.texi (sparc*-*-*): New section.
2518         (sparc-sun-solaris2*): Mention MPC alongside GMP and MPFR.
2519
2520 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
2521
2522         PR middle-end/45567
2523         * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi,
2524         expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead.
2525         (expand_builtin): Adjust caller.
2526         (expand_builtin_unop): Only use subtarget if it has the right mode.
2527
2528 2010-09-14  Tristan Gingold  <gingold@adacore.com>
2529
2530         * configure.ac (plugins): Fix typos.
2531         * configure: Regenerate.
2532
2533 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
2534
2535         PR debug/45660
2536         * dwarf2out.c (gen_decl_die): Call gen_type_die for origin before
2537         gen_type_die for function/method return type.
2538
2539 2010-09-14  Ira Rosen  <irar@il.ibm.com>
2540
2541         PR tree-optimization/45470
2542         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
2543         can throw an exception.
2544         * tree-vect-stmts.c (vectorizable_call): Likewise.
2545
2546 2010-09-14  DJ Delorie  <dj@redhat.com>
2547
2548         PR target/44749
2549         * config/mep/mep-protos.h (mep_save_register_info,
2550         mep_reinit_regs, mep_init_regs): Declare.
2551
2552         * config/mep/mep.c: Move all target definitions to the end of the
2553         file to avoid the need for duplicate declarations.
2554         (mep_save_register_info, mep_reinit_regs, mep_init_regs): New.
2555         (mep_reorg_erepeat): Remove unused variables.
2556         (mep_expand_builtin): Likewise.
2557
2558         * config/mep/mep-pragma.c: Don't include rtl.h.
2559         (INVALID_REGNUM): New.
2560         (mep_pragma_coprocessor_which): Call mep-specific rtl-layer bridge
2561         functions.
2562         (mep_pragma_coprocessor_subclass): Rename "class" to "rclass".
2563         Avoid enum/integer math.
2564
2565 2010-09-13  Joseph Myers  <joseph@codesourcery.com>
2566
2567         PR target/44749
2568         * config/mep/t-mep (GTM_H): Add insn-constants.h.
2569         * config/mep/mep.c (mep_conditional_register_usage): Take no
2570         parameters.
2571         * config/mep/mep-protos.h (mep_conditional_register_usage): Update
2572         prototype.
2573         * config/mep/mep-pragma.c (CONDITIONAL_REGISTER_USAGE): Update
2574         call to mep_conditional_register_usage.
2575
2576 2010-09-13  Eric Botcazou  <ebotcazou@adacore.com>
2577
2578         PR debug/43937
2579         * varasm.c (output_constant_def_contents): Set TREE_ASM_WRITTEN on
2580         the DECL as well.
2581
2582 2010-09-13  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR rtl-optimization/45617
2585         * combine.c (simplify_comparison): Optimize (X >> N) {>,>=,<,<=} C
2586         even if low N bits of X aren't known to be zero.
2587
2588 2010-09-13  H.J. Lu  <hongjiu.lu@intel.com>
2589
2590         * config/i386/i386-protos.h (ix86_units_per_simd_word): New.
2591
2592         * config/i386/i386.c (initial_ix86_tune_features): Add
2593         X86_TUNE_VECTORIZE_DOUBLE.
2594         (ix86_units_per_simd_word): New.
2595
2596         * config/i386/i386.h (ix86_tune_indices): Add
2597         X86_TUNE_VECTORIZE_DOUBLE.
2598         (TARGET_VECTORIZE_DOUBLE): New.
2599         (UNITS_PER_SIMD_WORD): Defined with ix86_units_per_simd_word.
2600
2601 2010-09-13  Pat Haugen  <pthaugen@us.ibm.com>
2602
2603         * tree-ssa-ter.c (temp_expr_table_d): Add call_cnt field.
2604         (new_temp_expr_table): Allocate call_cnt vector.
2605         (free_temp_expr_table): Free it.
2606         (process_replaceable): Add call_cnt parm and set in vector.
2607         (find_replaceable_in_bb): Skip replacement if def/use span a call.
2608         (debug_ter): Dump call_cnt value, remove stderr uses.
2609
2610 2010-09-13  Jan Hubicka  <jh@suse.cz>
2611
2612         * tree.c (build_zero_cst): New.
2613         * tree.h (build_zero_cst): Declare.
2614         * tree-ssa-ccp.c (get_constant_value): Accept general operands.
2615         (get_base_constructor): Break out from ...
2616         (fold_const_aggregate_ref): Here; handle empty constructors.
2617
2618 2010-09-13  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2619
2620         * config/arm/arm.md: (define_attr "conds"): Update comment.
2621         * config/arm/sync.md (arm_sync_compare_and_swapsi): Change
2622         conds attribute to clob.
2623         (arm_sync_compare_and_swapsi): Likewise.
2624         (arm_sync_compare_and_swap<mode>): Likewise.
2625         (arm_sync_lock_test_and_setsi): Likewise.
2626         (arm_sync_lock_test_and_set<mode>): Likewise.
2627         (arm_sync_new_<sync_optab>si): Likewise.
2628         (arm_sync_new_nandsi): Likewise.
2629         (arm_sync_new_<sync_optab><mode>): Likewise.
2630         (arm_sync_new_nand<mode>): Likewise.
2631         (arm_sync_old_<sync_optab>si): Likewise.
2632         (arm_sync_old_nandsi): Likewise.
2633         (arm_sync_old_<sync_optab><mode>): Likewise.
2634         (arm_sync_old_nand<mode>): Likewise.
2635
2636 2010-09-13  Olivier Hainque  <hainque@adacore.com>
2637
2638         * fwprop.c (forward_propagate_and_simplify): Only attach a
2639         REG_EQUAL note to an insn if the destination is a register.
2640         * gcse.c (try_replace_reg): Likewise.
2641
2642 2010-09-13  Richard Guenther  <rguenther@suse.de>
2643
2644         PR tree-optimization/45611
2645         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fix typo.
2646         (copy_ref_info): Likewise.
2647
2648 2010-09-13  Alexandre Oliva  <aoliva@redhat.com>
2649
2650         PR debug/45604
2651         PR debug/45419
2652         PR debug/45408
2653         * tree-pretty-print.c (dump_generic_node): Disregard top-level
2654         types of MEM_REF pointer types to the same type.
2655
2656 2010-09-13  Hans-Peter Nilsson  <hp@axis.com>
2657
2658         PR rtl-optimization/41087
2659         * ifcvt.c (noce_get_condition): Don't allow conditions with
2660         side-effects.
2661
2662 2010-09-12  Anatoly Sokolov  <aesok@post.ru>
2663
2664         * config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2665         * config/frv/frv-protos.h (frv_register_move_cost): Remove.
2666         * config/frv/frv.c (frv_register_move_cost): Make static. Change
2667         arguments type to reg_class_t. Add mode argument.
2668         (frv_memory_move_cost): New.
2669         (TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.
2670
2671 2010-09-12  Bernd Schmidt  <bernds@codesourcery.com>
2672
2673         * config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
2674         arm_lshrdi3_1bit): Put earlyclobber on the right alternative.
2675
2676 2010-09-10  Jan Hubicka  <jh@suse.cz>
2677
2678         * tree-ssa-ccp.c (fold_const_aggregate_ref): Do not check STATIC flag.
2679
2680 2010-09-10  Richard Guenther  <rguenther@suse.de>
2681
2682         * tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
2683         * tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
2684         * lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
2685         not stream TYPE_DEBUG_REPRESENTATION_TYPE.
2686         * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.
2687
2688 2010-09-10  Richard Guenther  <rguenther@suse.de>
2689
2690         * dwarf2out.c (gen_array_type_die): Output DW_TAG_subrange_type
2691         for VECTOR_TYPEs using TYPE_VECTOR_SUBPARTS.
2692         * dbxout.c (dbxout_type): Manually deal with VECTOR_TYPE
2693         using TYPE_VECTOR_SUBPARTS, not TYPE_DEBUG_REPRESENTATION_TYPE.
2694
2695 2010-09-10  H.J. Lu  <hongjiu.lu@intel.com>
2696
2697         PR middle-end/45634
2698         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result
2699         of string folding is of integral type.
2700
2701 2010-09-10  Ryan Mansfield  <rmansfield@qnx.com>
2702
2703         * doc/invoke.texi (-x): Fix typo.
2704
2705 2010-09-10  Richard Guenther  <rguenther@suse.de>
2706
2707         PR debug/44115
2708         * tree.c (free_lang_data_in_decl): Do not clear DECL_DEBUG_EXPR.
2709         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
2710         Output DECL_DEBUG_EXPR.
2711         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
2712         Input DECL_DEBUG_EXPR.
2713
2714 2010-09-10  Richard Guenther  <rguenther@suse.de>
2715
2716         * tree.c (type_hash_eq): For ARRAY_TYPEs also compare TYPE_SIZE.
2717         (build_index_type): Implement in terms of build_range_type.
2718         (build_range_type): Do not allow NULL_TREE type, improve
2719         hashing to cover more cases.  Set TYPE_STRUCTURAL_EQUALITY_P
2720         if we didn't hash.
2721         * c-decl.c (grokdeclarator): When modifying TYPE_SIZE manually
2722         create a distinct copy of the type.
2723
2724 2010-09-10  Kai Tietz  <kai.tietz@onevision.com>
2725
2726         * configure: Regenerated.
2727         * config.gcc: Add for x86_64 and i?86 mingw t-dfprule.
2728
2729 2010-09-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2730
2731         * config/arm/neon-schedgen.ml (allCores): Add support for Cortex-A9.
2732         * config/arm/cortex-a9-neon.md: New and partially generated.
2733         * config/arm/cortex-a9.md (cortex_a9_dp): Adjust for Neon.
2734
2735 2010-09-10  Richard Guenther  <rguenther@suse.de>
2736
2737         * tree.h (build_index_2_type): Remove.
2738         * tree.c (build_index_2_type): Remove.
2739
2740 2010-09-10  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR bootstrap/45630
2743         * dwarf2out.c (get_ref_die_offset_label): Use %ld instead of
2744         HOST_WIDE_INT_PRINT_DEC to print ref->die_offset.
2745         (implicit_ptr_descriptor): Return NULL if dwarf_strict.
2746
2747 2010-09-10  Martin Jambor  <mjambor@suse.cz>
2748
2749         PR tree-optimization/44972
2750         * tree-sra.c: Include toplev.h.
2751         (build_ref_for_offset): Entirely reimplemented.
2752         (build_ref_for_model): New function.
2753         (build_user_friendly_ref_for_offset): New function.
2754         (analyze_access_subtree): Removed build_ref_for_offset check.
2755         (propagate_subaccesses_across_link): Likewise.
2756         (create_artificial_child_access): Use
2757         build_user_friendly_ref_for_offset.
2758         (propagate_subaccesses_across_link): Likewise.
2759         (ref_expr_for_all_replacements_p): Removed.
2760         (generate_subtree_copies): Updated comment.  Use build_ref_for_model.
2761         (sra_modify_expr): Use build_ref_for_model.
2762         (load_assign_lhs_subreplacements): Likewise.
2763         (sra_modify_assign): Removed ref_expr_for_all_replacements_p checks,
2764         checks for return values of build_ref_for_offset.
2765         * ipa-cp.c (ipcp_lattice_from_jfunc): No need to check return value of
2766         build_ref_for_offset.
2767         * ipa-prop.h: Include gimple.h
2768         * ipa-prop.c (ipa_compute_jump_functions): Update to look for MEM_REFs.
2769         (ipa_analyze_indirect_call_uses): Update comment.
2770         * Makefile.in (tree-sra.o): Add $(GIMPLE_H) to dependencies.
2771         (IPA_PROP_H): Likewise.
2772
2773 2010-09-10  Martin Jambor  <mjambor@suse.cz>
2774
2775         PR tree-optimization/44972
2776         * ipa-prop.c (ipa_modify_call_arguments): Build MEM_REF instead of
2777         calling build_ref_for_offset.
2778
2779 2010-09-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2780
2781         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle Cortex-a15.
2782         * config/arm/arm-cores.def (cortex-a15): New core. Treat it as a v7-a.
2783         * config/arm/arm-tune.md: Regenerate.
2784         * doc/invoke.texi (ARM Options): Document it.
2785
2786 2010-09-09  Reza Yazdani  <reza.yazdani@amd.com>
2787
2788         * config/i386/i386.c: Include sched-int.h.
2789         (TARGET_SCHED_DISPATCH): Defined.
2790         (TARGET_SCHED_DISPATCH_DO): Defined.
2791         (DISPATCH_WINDOW_SIZE): Defined.
2792         (MAX_DISPATCH_WINDOWS): Defined.
2793         (MAX_INSN): Defined.
2794         (MAX_IMM): Defined.
2795         (MAX_IMM_SIZE): Defined.
2796         (MAX_IMM_32): Defined.
2797         (MAX_IMM_64): Defined.
2798         (MAX_LOAD): Defined.
2799         (MAX_STORE): Defined.
2800         (BIG): Defined.
2801         (dispatch_group): New.
2802         (num_allowable_groups): New.
2803         (group_name): New.
2804         (sched_insn_info_s): New.
2805         (dispatch_windows_s): New.
2806         (imm_info_s): New.
2807         (dispatch_window_list): New.
2808         (dispatch_window_list1): New.
2809         (get_mem_group): New.
2810         (is_cmp): New.
2811         (dispatch_violation): New.
2812         (is_branch): New.
2813         (is_prefetch): New.
2814         (init_window): New.
2815         (allocate_window): New.
2816         (init_dispatch_sched): New.
2817         (is_end_basic_block): New.
2818         (process_end_window): New.
2819         (allocate_next_window): New.
2820         (find_constant_1): New.
2821         (find_constant): New.
2822         (get_num_immediates): New.
2823         (has_immediate): New.
2824         (get_insn_path): New.
2825         (get_insn_group): New.
2826         (count_num_restricted): New.
2827         (fits_dispatch_window): New.
2828         (add_insn_window): New.
2829         (add_to_dispatch_window): New.
2830         (debug_dispatch_window_file): New.
2831         (debug_dispatch_window): New.
2832         (debug_insn_dispatch_info_file): New.
2833         (debug_ready_dispatch): New.
2834         (do_dispatch): New.
2835         (has_dispatch): New.
2836         * config/i386/i386.h (debug_ready_dispatch): Declared.
2837         (debug_dispatch_window): Declared.
2838         * config/i386/i386.opt (mdispatch-scheduler): New flag.
2839         * doc/tm.texi.in (TARGET_SCHED_DISPATCH): New.
2840         (TARGET_SCHED_DISPATCH_DO): New.
2841         * doc/tm.texi: Regererated.
2842         * haifa-sched.c (choose_ready): Call targetm.sched.dispatch and
2843         ready_remove_first_dispatch
2844         (schedule_block): Call targetm.sched.dispatch and
2845         targetm.sched.dispatch_do.
2846         (sched_init): Call targetm.sched.dispatch and
2847         targetm.sched.dispatch_do.
2848         (ready_remove_first_dispatch): New.
2849         (number_in_ready): New.
2850         (get_ready_element): New.
2851         * hooks.c (hook_bool_rtx_int_false): New.
2852         (hook_void_rtx_int): New.
2853         * hooks.h (hook_bool_rtx_int_false): Declared.
2854         (hook_void_rtx_int): Declared.
2855         * sched-int.h (IS_DISPATCH_ON): Defined.
2856         (IS_CMP): Defined.
2857         (DISPATCH_VIOLATION): Defined.
2858         (FITS_DISPATCH_WINDOW): Defined.
2859         (DISPATCH_INIT): Defined.
2860         (ADD_TO_DISPATCH_WINDOW): Defined.
2861         (get_ready_element): Declared.
2862         (number_in_ready): Declared.
2863         * target.def (dispatch): Defined.
2864         (dispatch_do): Defined.
2865
2866 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
2867
2868         PR middle-end/45312
2869         * reload1.c (merge_assigned_reloads): Remove.
2870         (reload_as_needed): Don't call it.
2871
2872 2010-09-09  Anatoly Sokolov  <aesok@post.ru>
2873
2874         * config/m32r/m32r.c (m32r_mode_dependent_address_p): New functions.
2875         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2876         * config/m32r/m32r.h: (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2877
2878 2010-09-09  Matthias Klose  <doko@ubuntu.com>
2879
2880         PR bootstrap/43847
2881         * configure.ac (--enable-plugin): Enhance for cross builds.
2882         * configure: Regenerate.
2883
2884 2010-09-09  Jan Hubicka  <jh@suse.cz>
2885
2886         PR tree-optimization/45598
2887         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result of
2888         string folding is of integral type.
2889
2890 2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2891
2892         * configure.ac (gnu_indirect_function): New test.
2893         * configure: Rebuilt.
2894         * config.in (HAVE_GAS_INDIRECT_FUNCTION): New.
2895         * defaults.h (IFUNC_ASM_TYPE): Provide default.
2896
2897         * doc/extend.texi (Function Attributes): Document ifunc.
2898         * varasm.c (do_assemble_alias): Deal with ifuncs too.
2899
2900 2010-09-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2901
2902         * config/picochip/picochip.c (picochip_reorg): Check for note_p for
2903         epilogue instruction move.
2904
2905 2010-09-09  Jan Hubicka  <jh@suse.cz>
2906
2907         * collect2.c (maybe_run_lto_and_relink): Rewrite code producing ld
2908         command line to allow more partitions than input files.
2909
2910 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
2911
2912         PR middle-end/44554
2913         * ira.c (ira): Switch off sharing spill slots if setjmp is called.
2914
2915 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
2916
2917         PR middle-end/40386
2918         * ira.c (pseudo_for_reload_consideration_p): Don't use
2919         flag_ira_share_spill_slots.
2920
2921 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2922
2923         * config/s390/s390.c (legitimate_reload_constant_p): Accept floating-
2924         point zero operands that fit into a single GPR.
2925         (s390_preferred_reload_class): Ensure we only return general-purpose
2926         register classes.
2927         * config/s390/s390.md ("*mov<mode>_64dfp"): Use lghi to load
2928         floating-point zero operands into GPRs.
2929         ("*mov<mode>_64"): Likewise.
2930         ("mov<mode>"): Likewise using lhi.
2931
2932 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2933
2934         * config/s390/s390.c (s390_symref_operand_p): Return false for
2935         literal pool references.
2936         (s390_check_qrst_address): Update caller.
2937
2938 2010-09-09  Uros Bizjak  <ubizjak@gmail.com>
2939
2940         * config/i386/predicates.md (ext_register_operand): Check that
2941         SUBREG_REG is really a register before looking for REGNO.
2942         (reg_not_xmm0_operand): Handle SUBREGs correctly.
2943         (nonimm_not_xmm0_operand): Call reg_not_xmm0_operand.
2944
2945 2010-09-09  Jakub Jelinek  <jakub@redhat.com>
2946
2947         * rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
2948         * rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
2949         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
2950         * print-rtl.c (print_rtx): Likewise.
2951         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
2952         * cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
2953         for ADDR_EXPR with non-addressable object.
2954         * dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
2955         (struct dw_val_struct): Add v.val_decl_ref.
2956         (dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
2957         Handle DW_OP_GNU_implicit_pointer.
2958         (size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
2959         (get_ref_die_offset_label): New function.
2960         (implicit_ptr_descriptor): New function.
2961         (mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
2962         (loc_descriptor): Likewise.
2963         (gen_variable_die): Put even definitions into decl_die_table.
2964         (resolve_addr_in_expr): Resolve still unresolved
2965         DW_OP_GNU_implicit_pointer operands, if it can't be resolved
2966         return false.
2967         (dwarf2out_finish): Call output_location_lists after outputting
2968         .debug_info and .debug_abbrev instead of before.
2969
2970 2010-09-09  Roland McGrath  <roland@redhat.com>
2971
2972         * dwarf2out.c (DWARF_REF_SIZE): Define.
2973         (size_of_loc_descr): Use it for DW_OP_call_ref.
2974
2975 2010-09-09  Alan Modra  <amodra@gmail.com>
2976
2977         * doc/invoke.text: Reinstate mcmodel=medium.
2978         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2979         CMODEL_MEDIUM as default.
2980         * config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
2981         * config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
2982         (toc_relative_ok, offsettable_ok_by_alignment): New functions.
2983         (rs6000_emit_move): Reinstate mcmodel=medium optimization.
2984
2985 2010-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2986
2987         PR target/45250
2988         * config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
2989         hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
2990         (builtin_longjmp): Likewise.
2991         (allocate_stack): Use hard_frame_pointer_rtx instead of
2992         frame_pointer_rtx.
2993         * config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
2994         * config/pa/pa.c (pa_internal_arg_pointer): Declare.
2995         (pa_can_eliminate): Likewise.
2996         (TARGET_INTERNAL_ARG_POINTER): Define.
2997         (TARGET_CAN_ELIMINATE): Define.
2998         (hppa_expand_prologue): Use hard frame pointer instead of soft frame
2999         pointer.
3000         (hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
3001         (pa_internal_arg_pointer, pa_can_eliminate,
3002         pa_initial_elimination_offset): New.
3003         * config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
3004         (HARD_FRAME_POINTER_REGNUM): Set to register three.
3005         (INITIAL_FRAME_POINTER_OFFSET): Delete.
3006         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
3007         Define.
3008         (DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
3009         REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
3010         * config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
3011         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
3012         REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
3013         new soft frame pointer.
3014         * config/pa/pa64-regs.h: Likewise.
3015
3016 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
3017
3018         * config/i386/i386.h (EH_RETURN_DATA_REGNO) Use DX_REG instead of
3019         numerical constant.
3020         (EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.
3021
3022 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
3023
3024         PR debug/45531
3025         * cfglayout.c (fixup_reorder_chain): Skip debug insns.
3026
3027 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
3028
3029         PR debug/45419
3030         PR debug/45408
3031         * tree-pretty-print.c (dump_generic_node): Disregard top-level
3032         qualifiers in otherwise equal MEM_REF pointer types.
3033         * fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
3034         * tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.
3035
3036 2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3037
3038         PR target/44392
3039         * config/arm/arm.md (bswapsi2): Handle condition correctly
3040         for armv6 and optimize_size.
3041
3042 2010-09-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3043
3044         PR other/18555
3045         * doc/cppopts.texi (-isysroot): Document Darwin behaviour.
3046
3047 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
3048
3049         * config/i386/i386-protos.h (ix86_can_use_return_insn_p,
3050         symbolic_reference_mentioned_p, ix86_expand_movmem, ix86_expand_setmem,
3051         ix86_expand_strlen, legitimate_pic_address_disp_p,
3052         ix86_binary_operator_ok, ix86_unary_operator_ok, ix86_match_ccmode,
3053         ix86_expand_int_movcc, ix86_expand_fp_movcc, ix86_expand_int_addcc,
3054         ix86_check_movabs, ix86_secondary_memory_needed): Change function
3055         prototype to bool.
3056         * config/i386/i386.c (return_in_memory_32, return_in_memory_64,
3057         return_in_memory_ms_64, ix86_check_movabs,
3058         symbolic_reference_mentioned_p, ix86_can_use_return_insn_p,
3059         legitimate_pic_address_disp_p, ix86_binary_operator_ok,
3060         ix86_unary_operator_ok, ix86_match_ccmode, ix86_expand_int_movcc,
3061         ix86_expand_fp_movcc, ix86_expand_int_addcc, ix86_expand_movmem,
3062         ix86_expand_setmem, ix86_expand_strlen, inline_secondary_memory_needed,
3063         ix86_secondary_memory_needed): Change to bool.  Return
3064         "true" and "false" values.
3065         * config/i386/i386.md: Return "true" and "false" values.
3066
3067 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3068
3069         * doc/sourcebuild.texi (Effective-Target Keywords): Document
3070         run_expensive_tests.
3071
3072 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3073
3074         * toplev.c (output_stack_usage): Use lbasename instead of basename.
3075
3076 2010-09-08  Martin Jambor  <mjambor@suse.cz>
3077
3078         PR other/45443
3079         * doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
3080         at -O3.
3081
3082 2010-09-08  Richard Guenther  <rguenther@suse.de>
3083
3084         * gimple.c (gimple_types, type_hash_cache): Move to GC memory.
3085         (visit): Adjust.
3086         (iterative_hash_gimple_type): Likewise.
3087         (gimple_type_hash): Likewise.
3088         (gimple_register_type): Likewise.
3089         (print_gimple_types_stats): Likewise.
3090         (free_gimple_type_tables): Likewise.
3091
3092 2010-09-08  Michael Matz  <matz@suse.de>
3093
3094         PR tree-optimization/43430
3095         * tree-vect-stmts.c (vectorizable_condition): Support multiple
3096         copies for conditional statements if it's not part of a reduction.
3097
3098 2010-09-08  Michael Matz  <matz@suse.de>
3099
3100         PR tree-optimization/33244
3101         * tree-ssa-sink.c (statement_sink_location): Don't sink into
3102         empty loop latches.
3103
3104 2010-09-08  Richard Guenther  <rguenther@suse.de>
3105
3106         PR tree-optimization/45578
3107         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr):
3108         Be more careful when transfering alignment information to
3109         the new induction variable.
3110         (copy_ref_info): Likewise.
3111
3112 2010-09-08  Richard Guenther  <rguenther@suse.de>
3113
3114         * tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
3115         * c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE checks.
3116
3117 2010-09-08  Arnaud Charlet  <charlet@adacore.com>
3118
3119         * c-tree.h, c-decl.c (build_enumerator): Add location parameter.
3120         * c-parser.c (c_parser_enum_specifier): Adjust call to build_enumerator.
3121
3122 2010-09-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
3123
3124         PR doc/45587
3125         * doc/md.texi: Fixed modes on several standard pattern names.
3126
3127 2010-09-08  Mingjie Xing  <mingjie.xing@gmail.com>
3128
3129         * config/mips/loongson.md (loongson_psll<V_suffix>): Rename to...
3130         (ashl<mode>3): ...this.
3131         (loongson_psra<V_suffix>): Rename to...
3132         (ashr<mode>3): ...this.
3133         (loongson_psrl<V_suffix>): Rename to...
3134         (lshr<mode>3): ...this.
3135         * config/mips/mips.c (CODE_FOR_loongson_psllh): Define.
3136         (CODE_FOR_loongson_psllw): Define.
3137         (CODE_FOR_loongson_psrlh): Define.
3138         (CODE_FOR_loongson_psrlw): Define.
3139         (CODE_FOR_loongson_psrah): Define.
3140         (CODE_FOR_loongson_psraw): Define.
3141
3142 2010-09-07  Richard Henderson  <rth@redhat.com>
3143
3144         * tree-vect-data-refs.c: Include tm_p.h.
3145         * Makefile.in (tree-vect-data-refs.o): Update deps.
3146         * config/i386/i386-protos.h (ix86_cfun_abi, ix86_function_type_abi):
3147         Move delarations outside #ifdef RTX_CODE.
3148
3149 2010-09-07  Richard Henderson  <rth@redhat.com>
3150
3151         * final.c (rest_of_handle_final): Unconditionally do
3152         output_function_exception_table before assemble_end_function.
3153
3154 2010-09-07  Jan Hubicka  <jh@suse.cz>
3155
3156         * tree-inline.c (tree_inlinable_function_p): Do not test
3157         DECL_REPLACEABLE_P.
3158         * ipa-inline.c (cgraph_default_inline_p, update_caller_keys,
3159         update_callee_keys, cgraph_decide_inlining): Test function availability.
3160         * cif-code.def (OVERWRITABLE): New code.
3161
3162 2010-09-07  H.J. Lu  <hjl.tools@gmail.com>
3163             Jack Howarth  <howarth@bromo.med.uc.edu>
3164
3165         PR target/36502
3166         PR target/42313
3167         PR target/44651
3168         * config/i386/darwin.h (STACK_BOUNDARY): Redefine as 128 for
3169         profiling or 64-bit MS_ABI and as BITS_PER_WORD otherwise.
3170         (PREFERRED_STACK_BOUNDARY): Replace STACK_BOUNDARY with 128 in
3171         MAX macro.
3172
3173 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
3174
3175         * unwind-dw2-fde-glibc.c: Include <elf.h> for DT_CONFIG.
3176         Include <link.h> only if USE_PT_GNU_EH_FRAME is defined.
3177
3178 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
3179
3180         * config.gcc: Don't append t-android for Android targets.
3181
3182         * config/t-android: Removed.
3183
3184 2010-09-07  Richard Henderson  <rth@redhat.com>
3185
3186         * target.def (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): New hook.
3187         * doc/tm.texi.in: Add doc marker.
3188         * doc/tm.texi: Rebuild.
3189         * except.c (switch_to_exception_section): Always build.
3190         (output_one_function_exception_table): Move section switch,
3191         personality output, and label output ...
3192         (output_function_exception_table): ... here.  Use the new
3193         personality hook.
3194
3195         * config/ia64/ia64.c (ia64_asm_emit_except_personality,
3196         ia64_asm_init_sections, TARGET_ASM_EMIT_EXCEPT_PERSONALITY,
3197         TARGET_ASM_INIT_SECTIONS): New.
3198         (ia64_asm_unwind_emit): Rename from process_for_unwind_directive,
3199         make static.
3200         (TARGET_ASM_UNWIND_EMIT): Update to match.
3201         * config/ia64/ia64-protos.h (process_for_unwind_directive): Remove.
3202
3203         * config/arm/arm.c (arm_asm_emit_except_personality): New.
3204         (arm_asm_init_sections): New.
3205         (TARGET_ASM_EMIT_EXCEPT_PERSONALITY, TARGET_ASM_INIT_SECTIONS): New.
3206
3207 2010-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3208
3209         * config/arm/arm.md: Remove unused variable.
3210
3211 2010-09-07  Anatoly Sokolov  <aesok@post.ru>
3212
3213         * config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
3214         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
3215         (m32r_memory_move_cost): New function.
3216
3217 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
3218
3219         * config.gcc: Append t-android for Android targets.
3220
3221         * config/t-android: New.
3222
3223 2010-09-07  Richard Henderson  <rth@redhat.com>
3224
3225         * target.def (unwind_emit_before_insn): New hook.
3226         * doc/tm.texi.in: Add @hook marker for it.
3227         * doc/tm.texi: Rebuild.
3228         * final.c (final_scan_insn): Respect unwind_emit_before_insn.
3229
3230 2010-09-07  Martin Jambor  <mjambor@suse.cz>
3231
3232         PR fortran/43665
3233         * ipa-cp.c (ipcp_versionable_function_p): Return false if there
3234         are any type attributes.
3235
3236 2010-09-07  Jan Hubicka  <jh@suse.cz>
3237
3238         * tree-ssa-ccp.c (fold_const_aggregate_ref): Fix handling of
3239         array_ref_low_bound in string access folding.
3240
3241 2010-09-07  Uros Bizjak  <ubizjak@gmail.com>
3242
3243         PR target/45206
3244         * config/i386/i386.c (ix86_expand_epilogue): Mark SP as valid after
3245         eh_return fixup sequence.
3246
3247 2010-09-07  Jan Hubicka  <jh@suse.cz>
3248
3249         * gimple-fold.c (maybe_fold_reference): Verify that operand is
3250         gimple_min_invariant.
3251
3252 2010-09-07  Richard Guenther  <rguenther@suse.de>
3253
3254         PR middle-end/45569
3255         * tree-eh.c (operation_could_trap_helper_p): Neither COMPLEX_EXPR
3256         nor CONSTRUCTOR can trap.
3257         * tree-complex.c (update_complex_assignment): Update EH info.
3258
3259 2010-09-07  Richard Guenther  <rguenther@suse.de>
3260
3261         PR middle-end/45569
3262         * tree-cfg.c (build_gimple_cfg): Remove redundant stmt verification.
3263         * passes.c (execute_function_todo): Do not verify anything if
3264         we saw errors.
3265
3266 2010-09-07  Richard Guenther  <rguenther@suse.de>
3267
3268         * tree-pretty-print.c (dump_generic_node): Dump void types as void.
3269
3270 2010-09-07  Bernd Schmidt  <bernds@codesourcery.com>
3271
3272         PR target/43137
3273         * config/arm/iterators.md (qhs_zextenddi_cond, qhs_sextenddi_cond):
3274         New define_mode_attrs.
3275         * config/arm/arm.md (zero_extendsidi2, arm_zero_extendsidi2,
3276         arm_exxtendsidi2, arm_extendsidi2): Delete patterns.
3277         (zero_extend<mode>di2, extend<mode>di2 and related splits): New.
3278         (thumb1_zero_extendhisi2): Remove code to handle LABEL_REFs.
3279         Remove pool_range attribute.
3280         (arm_zero_extendhisi2, arm_zero_extendhisi2_v6, arm_zero_extendqisi2,
3281         arm_zero_extendqisi2_v6, thumb1_zero_extendqisi2_v6): Remove
3282         pool_range and neg_pool_range attributes.
3283         * config/arm/thumb2.md (thumb2_zero_extendsidi2,
3284         thumb2_zero_extendhidi2, thumb2_zero_extendqidi2, thumb2_extendsidi2,
3285         thumb2_extendhidi2, thumb2_extendqidi2): Delete.
3286
3287 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
3288
3289         * config/i386/linux-unwind.h (x86_fallback_frame_state): Properly
3290         check glibc.
3291
3292 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
3293
3294         PR target/22152
3295         * config/i386/mmx.md (*mov<mode>_internal_rex64,
3296         *mov<mode>_internal_avx, *mov<mode>_internal,
3297         *movv2sf_internal_rex64_avx, *movv2sf_internal_rex64,
3298         *movv2sf_internal_avx, *movv2sf_internal): Split out !y-!y alternative.
3299
3300 2010-09-06  Mark Mitchell  <mark@codesourcery.com>
3301
3302         * c-typeck.c (do_warn_double_promotion): Remove.
3303         * doc/invoke.texi (-Wdouble-promotion): Note available for C++ and
3304         Objective-C++ too.
3305
3306 2010-09-06  Anatoly Sokolov  <aesok@post.ru>
3307
3308         * config/frv/frv.h (CLASS_LIKELY_SPILLED_P): Remove.
3309         * config/frv/frv-protos.h (frv_class_likely_spilled_p): Remove.
3310         * config/frv/frv.c (frv_class_likely_spilled_p): Make static. Change
3311         argument type to reg_class_t. Change result type to bool.
3312         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
3313
3314 2010-09-06  Nicola Pero  <nicola.pero@meta-innovation.com>
3315
3316         PR libobjc/19850
3317         * gthr-posix.h (__gthread_objc_thread_detach): Use
3318         _objc_thread_attribs when detaching a thread.
3319         * gthr-posix95.h (__gthread_objc_thread_detach): Same change.
3320
3321 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
3322
3323         PR target/45524
3324         * configure.ac (enable_decimal_float): Set to $default_decimal_float.
3325         * configure: Regenerated.
3326
3327 2010-09-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3328
3329         * combine.c (try_combine): Set subst_low_luid to i0.
3330
3331 2010-09-06  Richard Guenther  <rguenther@suse.de>
3332
3333         * tree.def (MISALIGNED_INDIRECT_REF): Remove.
3334         * tree.h (INDIRECT_REF_P): Only check for INDIRECT_REF.
3335         (build_aligned_type): Declare.
3336         * tree.c (check_qualified_type): Also compare TYPE_ALIGN.
3337         (check_aligned_type): New function.
3338         (build_aligned_type): Likewise.
3339         * expr.c (expand_assignment): Handle misaligned stores via
3340         TARGET_MEM_REF and MEM_REF using movmisalign_optab.
3341         (expand_expr_real_1): Likewise.
3342         (safe_from_p): Remove MISALIGNED_INDIRECT_REF handling.
3343         * tree-vect-stmts.c (vectorizable_store): Do not build
3344         MISALIGNED_INDIRECT_REF but initialize alignment information.
3345         (vectorizable_load): Likewise.
3346         * builtins.c (get_object_alignment): Remove MISALIGNED_INDIRECT_REF
3347         handling.
3348         * cfgexpand.c (expand_debug_expr): Likewise.
3349         * dwarf2out.c (loc_list_from_tree): Likewise.
3350         * fold-const.c (maybe_lvalue_p): Likewise.
3351         (operand_equal_p): Likewise.
3352         (build_fold_addr_expr_with_type_loc): Likewise.
3353         * gimplify.c (gimplify_addr_expr): Likewise.
3354         (gimplify_expr): Likewise.
3355         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
3356         (verify_gimple_assign_single): Likewise.
3357         * tree-dump.c (dequeue_and_dump): Likewise.
3358         (tree_could_trap_p): Likewise.
3359         * tree-predcom.c (ref_at_iteration): Likewise.
3360         * tree-pretty-print.c (dump_generic_node): Likewise.
3361         (op_code_prio): Likewise.
3362         (op_symbol_code): Likewise.
3363         * tree-ssa-ccp.c (get_value_from_alignment): Likewise.
3364         * tree-ssa-loop-im.c (for_each_index): Likewise.
3365         (gen_lsm_tmp_name): Likewise.
3366         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
3367         (find_interesting_uses_address): Likewise.
3368         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
3369         * tree-ssa-operands.c (get_expr_operands): Likewise.
3370         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
3371         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3372         (ao_ref_init_from_vn_reference): Likewise.
3373         * tree.c (staticp): Likewise.
3374         (build1_stat): Likewise.
3375         (reference_alias_ptr_type): Likewise.
3376         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3377         * config/rs6000/rs6000.c (rs6000_check_sdmode): Remove
3378         MISALIGNED_INDIRECT_REF handling.
3379
3380 2010-09-06  Richard Guenther  <rguenther@suse.de>
3381
3382         PR tree-optimization/45534
3383         * tree-ssa-address.c (create_mem_ref_raw): Add verify parameter.
3384         (create_mem_ref): Do verify the created TARGET_MEM_REF is valid
3385         on the target.
3386         (maybe_fold_tmr): Do not verify the created TARGET_MEM_REF is
3387         valid on the target.
3388
3389 2010-09-06  Andreas Schwab  <schwab@redhat.com>
3390
3391         * configure.ac: Quote argument of AC_MSG_WARN.
3392         * configure: Regenerate.
3393
3394 2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
3395
3396         * sel-sched.c (move_cond_jump): Correct arguments to
3397         maybe_tidy_empty_bb.
3398         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
3399
3400 2010-09-06  Andrey Belevantsev  <abel@ispras.ru>
3401
3402         PR rtl-optimization/44919
3403         * sel-sched.c (move_cond_jump): Remove assert, check that
3404         the several blocks case can only happen with mutually exclusive
3405         insns instead.  Rewrite the movement code to support moving through
3406         several basic blocks.
3407
3408 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
3409
3410         * config/i386/i386.md (iptrsize): New mode attribute.
3411         (tp_seg): Ditto.
3412         (*load_tp_<mode>): Macroize insn from *load_tp_{si,di} using P
3413         mode iterator.
3414         (*add_tp_<mode>): Ditto from *add_tp_{si,di}.
3415         (stack_protect_set_<mode>): Ditto from stack_protect_set_{si,di}.
3416         (stack_protect_test_<mode>): Ditto from stack_protect_test_{si,di}.
3417         (stack_tls_protect_set_<mode>): Ditto from
3418         stack_tls_protect_set_{si,di}.  Use %@ to output segment register
3419         of thread base pointer load.
3420         (stack_tls_protect_test_<mode>): Ditto from
3421         stack_tls_protect_test_{si,di}.  Use %@ to output segment register
3422         of thread base pointer load.
3423         (stack_protect_set): Rewrite using indirect functions.
3424         (stack_protect_test): Ditto.
3425         * config/i386/i386.c (ix86_print_operand_punct_valid): Add '@'.
3426         (ix86_print_operand): Handle '@'.
3427
3428 2010-09-05  Giuseppe Scrivano  <gscrivano@gnu.org>
3429
3430         * tree-tailcall.c (process_assignment): Handle NEGATE_EXPR and
3431         MINUS_EXPR.
3432
3433 2010-09-05  Mark Mitchell  <mark@codesourcery.com>
3434
3435         * doc/invoke.texi: Document -Wdouble-promotion.
3436         * c-typeck.c (convert_arguments): Check for implicit conversions
3437         from float to double.
3438         (do_warn_double_promotion): New function.
3439         (build_conditional_expr): Use it.
3440         (build_binary_op): Likewise.
3441
3442 2010-09-05  Richard Guenther  <rguenther@suse.de>
3443
3444         PR tree-optimization/45535
3445         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
3446         handle TMR_INDEX2.  Make sure TMR_INDEX is not NULL before
3447         dereferencing it.
3448         (indirect_refs_may_alias_p): Likewise.
3449
3450 2010-09-05  Naveen H.S  <naveen.S@kpitcummins.com>
3451
3452         * config/sh/sh.c (sh_option_override): Make static.
3453         Adjust comments.  Declare.
3454         (sh_function_value_regno_p): Likewise.
3455         (sh_register_move_cost): Modify the arguments, make static.
3456         Adjust comments.  Declare.
3457         (TARGET_OPTION_OVERRIDE, TARGET_REGISTER_MOVE_COST
3458         TARGET_FUNCTION_VALUE_REGNO_P): Define.
3459         * config/sh/sh.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P
3460         REGISTER_MOVE_COST): Delete.
3461         * config/sh/sh-protos.h (sh_override_options): Delete.
3462         (sh_register_move_cost): Delete.
3463         (sh_function_value_regno_p): Delete.
3464
3465 2010-09-04  Anatoly Sokolov  <aesok@post.ru>
3466
3467         * config/m32r/m32r.c (m32r_function_value, m32r_libcall_value,
3468         m32r_function_value_regno_p): New functions.
3469         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
3470         TARGET_FUNCTION_VALUE_REGNO_P): Declare.
3471         * config/m32r/m32r.h: (FUNCTION_VALUE, LIBCALL_VALUE,
3472         FUNCTION_VALUE_REGNO_P): Remove.
3473
3474 2010-09-04  Jan Hubicka  <jh@suse.cz>
3475
3476         * gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref.
3477         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use
3478         fold_read_from_constant_string.
3479
3480         * gimple.h (canonicalize_constructor_val): Declare.
3481         * gimple-fold.c (canonicalize_constructor_val): New function.
3482         (get_symbol_constant_value):Use it.
3483         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
3484
3485 2010-09-04  Jan Hubicka  <jh@suse.cz>
3486
3487         * tree-switch-conversion.c (build_one_array): Set constructor to be
3488         static.
3489         * varpool.c (varpool_finalize_decl): Compute const_value_known.
3490
3491 2010-09-04  Richard Guenther  <rguenther@suse.de>
3492
3493         PR bootstrap/45519
3494         * tree-flow.h (force_gimple_operand_1): Declare.
3495         (force_gimple_operand_gsi_1): Likewise.
3496         * gimplify.c (force_gimple_operand_1): New worker taking a
3497         gimple predicate for ...
3498         (force_gimple_operand): ... which now wraps it.
3499         (force_gimple_operand_gsi_1, force_gimple_operand_gsi): Likewise.
3500         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Revert
3501         last change.
3502         * tree-ssa-address.c (gimplify_mem_ref_parts): Use
3503         force_gimple_operand_gsi_1 with is_gimple_mem_ref_addr.
3504         (create_mem_ref): Likewise.
3505
3506 2010-09-04  Uros Bizjak  <ubizjak@gmail.com>
3507
3508         * config/i386/predicates.md (sse_reg_operand): New predicate.
3509         * config/i386/i386.md (TFmode push splitter): Use sse_reg_operand
3510         predicate for operand 1.
3511         (XFmode push splitter): Use fp_register_operand predicate
3512         for operand 1.
3513         (*dummy_extendsfdf2, *dummy_extendsfxf2): Remove disabled patterns.
3514         (SF-DF float_extend push splitter): Add reload_completed insn
3515         predicate.
3516         ({SF,DF}-XF float_extend_push splitter): Macroize splitter using
3517         MODEF mode macro.  Add reload_completed insn predicate.
3518
3519 2010-09-04  Paolo Bonzini  <bonzini@gnu.org>
3520
3521         * df.h (enum df_ref_class): Remove DF_REF_EXTRACT.
3522         (struct df_extract_ref): Remove.
3523         (union df_ref_d): Remove extract_ref member.
3524         (df_ref_create): Remove last three arguments.
3525         (DF_REF_LOC): Remove DF_REF_EXTRACT case.
3526         * df-scan.c (df_ref_record): Remove last three arguments, do not
3527         pass them to df_ref_create_structure.
3528         (df_uses_record): Remove first and last three arguments.  Replace
3529         first argument with DF_REF_REGULAR, adjust calls to remove the
3530         width, offset and mode.  Always call recursively on the second
3531         and third argument of ZERO_EXTRACT and SIGN_EXTRACT.
3532         (df_ref_create_structure): Remove first argument.
3533         (struct df_scan_problem_data): Remove ref_extract_pool.
3534         (df_scan_free_internal): Do not free it.
3535         (df_scan_alloc): Do not allocate it.
3536         (df_ref_create): Remove last three arguments, do not pass them to
3537         df_ref_create_structure.
3538         (df_free_ref): Remove DF_REF_EXTRACT case.
3539         (df_notes_rescan): Adjust call to df_uses_record.
3540         (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
3541         Remove DF_REF_EXTRACT case.
3542         (df_def_record_1): Do not special case class for a ZERO_EXTRACT lhs.
3543         Adjust calls to df_ref_record, using DF_REF_REGULAR for all REG
3544         and SUBREG definitions.
3545         (df_get_conditional_uses): Remove references to width/offset/mode,
3546         adjust call to df_ref_create_structure.
3547         (df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3548         df_entry_block_defs_collect, df_exit_block_uses_collect): Adjust
3549         calls to df_uses_record and df_ref_record.
3550         * fwprop.c (update_df): Remove references to width/offset/mode,
3551         adjust call to df_ref_create.
3552
3553 2010-09-03  Jan Hubicka  <jh@suse.cz>
3554
3555         * ipa.c (build_cdtor): Take VECtor as argument; fix array walk.
3556         (build_cdtor_fns): Update use of build_cdtor.
3557
3558 2010-09-03  Joseph Myers  <joseph@codesourcery.com>
3559
3560         * doc/options.texi (SeparateAlias): Document.
3561         * opt-functions.awk (switch_flags): Handle SeparateAlias.
3562         * opth-gen.awk: Generate enumeration names for options marked
3563         SeparateAlias, but not for those marked Ignore.
3564         * opts-common.c (generate_canonical_option): Don't output separate
3565         argument for options marked CL_SEPARATE_ALIAS.
3566         (decode_cmdline_option): Handle CL_SEPARATE_ALIAS.
3567         * opts.h (CL_SEPARATE_ALIAS): New.
3568         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
3569         CL_COMMON): Adjust definitions.
3570         * config/i386/darwin.opt, config/mips/sde.opt: New.
3571         * common.opt (fdump-final-insns): New.
3572         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
3573         i386/darwin.opt.
3574         (mips*-sde-elf*): Add mips/sde.opt.
3575         * config/mips/sde.h (DRIVER_SELF_SPECS): Don't handle
3576         -mno-data-in-code and -mcode-xonly here.
3577         * defaults.h (DEFAULT_SWITCH_TAKES_ARG): Add 'd'.
3578         * gcc.c (option_map): Add "j" to --dump entry.
3579         (translate_options): Don't translate -d to -foutput-class-dir= here.
3580
3581 2010-09-03  Sebastian Pop  <sebastian.pop@amd.com>
3582
3583         * tree-data-ref.c (dr_may_alias_p): Replace !DR_IS_READ with
3584         DR_IS_WRITE.
3585         (compute_all_dependences): Same.
3586         (create_rdg_edge_for_ddr): Same.
3587         * tree-data-ref.h (DR_IS_WRITE): New.
3588         (ddr_is_anti_dependent): Replace !DR_IS_READ with DR_IS_WRITE.
3589         * tree-if-conv.c (write_memrefs_written_at_least_once): Same.
3590         (write_memrefs_written_at_least_once): Same.
3591         * tree-predcom.c (suitable_component_p): Same.
3592         (determine_roots_comp): Same.
3593         (execute_load_motion): Same.
3594         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Same.
3595         (vect_enhance_data_refs_alignment): Same.
3596         (vect_analyze_group_access): Same.
3597
3598 2010-09-03  Joern Rennecke  <joern.rennecke@embecosm.com>
3599
3600         PR testsuite/42843
3601         * Makefile.in (PLUGINCC): Define in terms of @CC@ / @CXX@
3602         (PLUGINCFLAGS): Define in terms of @CFLAGS@ / @CXXFLAGS@
3603
3604 2010-09-03  Marcin Baczynski  <marbacz@gmail.com>
3605
3606         * dwarf2out.c (file scope): Remove #if0'd code.
3607         (gen_subprogram_die): Same.
3608
3609 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR middle-end/45484
3612         * dwarf2out.c (flush_queued_reg_saves): Rename to...
3613         (dwarf2out_flush_queued_reg_saves): ... this.  No longer static.
3614         (dwarf2out_frame_debug_expr, dwarf2out_frame_debug): Adjust callers.
3615         * dwarf2out.h (dwarf2out_flush_queued_reg_saves): New prototype.
3616         * config/i386/i386.c (output_set_got): Call it.
3617
3618 2010-09-03  Michael Matz  <matz@suse.de>
3619
3620         PR middle-end/45415
3621         * tree-sra.c (sra_modify_assign): If we modify the statement,
3622         say so.
3623
3624         * tree-ssa.c (verify_ssa): Check number of operands and links
3625         per statement to agree.
3626
3627 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
3628             Iain Sandoe  <iains@gcc.gnu.org>
3629
3630         PR target/45476
3631         * config/i386/t-darwin (LIB2FUNCS_EXCLUDE): New.
3632         * config/i386/darwin.h (LIBGCC2_HAS_TF_MODE,
3633         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
3634
3635 2010-09-03  Richard Guenther  <rguenther@suse.de>
3636
3637         * lto-streamer-out.c (output_function): Output function
3638         start and end loci.
3639         * lto-streamer-in.c (input_function): Input function start
3640         and end loci.
3641
3642 2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3643
3644         * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro.
3645         * Makefile.in: Add aclocal.m4 dependency to dfp.m4.
3646         * configure: Regenerate.
3647         * aclocal.m4: Regenerate.
3648
3649 2010-09-03  Jan Hubicka  <jh@suse.cz>
3650
3651         PR lto/44812
3652         * lto-cgraph.c (intput_node, input_varpool_node): Set DECL_EXTERNAL
3653         on functions/variables in other partition.
3654
3655 2010-09-03  Jan Hubicka  <jh@suse.cz>
3656
3657         * cgraph.h (struct varpool_node): Add const_value_known.
3658         (varpool_decide_const_value_known): Declare.
3659         * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding.
3660         * lto-cgraph.c (lto_output_varpool_node): Store const_value_known.
3661         (input_varpool_node): Restore const_value_known.
3662         * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for
3663         initializer folding.
3664         * ipa.c (ipa_discover_readonly_nonaddressable_var,
3665         function_and_variable_visibility): Compute const_value_known.
3666         * gimple-fold.c (get_symbol_constant_value): Use varpool for
3667         initializer folding.
3668         * varpool.c (varpool_decide_const_value_known): New function.
3669
3670 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
3671
3672         * config/i386/i386.md: Remove empty preparation statements
3673         from splitters.
3674
3675 2010-09-03  Jan Hubicka  <jh@suse.cz>
3676
3677         * passes.c (rest_of_decl_compilation): Do not add local vars into
3678         varpool.
3679         * varpool.c (varpool_get_node, varpool_node): Sanity check that only
3680         static or extern vars are in varpool.
3681         (varpool_finalize_decl): Sanity check that only static vars are
3682         finalized.
3683
3684 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
3685
3686         PR debug/45500
3687         * dwarf2out.c (rtl_for_decl_init): Give up for all generic vectors,
3688         not just generic vectors with BLKmode.
3689
3690 2010-09-03  Richard Guenther  <rguenther@suse.de>
3691
3692         * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.
3693         Move TMR_OFFSET to second operand.  Add TMR_INDEX2.
3694         * tree.h (TMR_SYMBOL): Remove.
3695         (TMR_BASE, TMR_OFFSET): Adjust.
3696         (TMR_INDEX2): New.
3697         * alias.c (ao_ref_from_mem): Use TMR_BASE.
3698         * builtins.c (get_object_alignment): Merge TMR_BASE and
3699         TMR_SYMBOL handling.
3700         * cfgexpand.c (expand_debug_expr): Use TMR_BASE.
3701         * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF
3702         handling.  Also allow TARGET_MEM_REF as base address.
3703         (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL.
3704         * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF
3705         base.  Gimplify TMR_INDEX2.
3706         * tree-cfg.c (verify_types_in_gimple_reference): Adjust.
3707         * tree-dfa.c (get_ref_base_and_extent): Likewise.
3708         (get_addr_base_and_unit_offset): Likewise.
3709         * tree-eh.c (tree_could_trap_p): Likewise.
3710         * tree-pretty-print.c (dump_generic_node): Likewise.
3711         * tree-ssa-address.c (tree_mem_ref_addr): Simplify.  Handle TMR_INDEX2.
3712         (create_mem_ref_raw): Merge symbol and base.  Move 2ndary
3713         base to index2.
3714         (get_address_description): Reconstruct addres description
3715         from merged TMR_BASE and TMR_INDEX2.
3716         (maybe_fold_tmr): Fold propagated addresses.
3717         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge
3718         MEM_REF and TARGET_MEM_REF paths.
3719         (indirect_refs_may_alias_p): Likewise.
3720         * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2
3721         instead of TMR_SYMBOL.
3722         * tree-ssa-operands.c (get_tmr_operands): Simplify.
3723         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust
3724         according to changes ...
3725         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here.
3726         Split TARGET_MEM_REF into two fields plus the base.
3727         * tree.c (mem_ref_offset): Simplify.
3728         * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2.
3729         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
3730         Strip NOPs when folding MEM_REF addresses.
3731         * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF.
3732         * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ...
3733         (fold_gimple_assign): ... not here.
3734
3735 2010-09-03  Mingjie Xing  <mingjie.xing@gmail.com>
3736
3737         * config/mips/mips.h (SHIFT_COUNT_TRUNCATED): Change the definition.
3738         * config/mips/mips.c (mips_shift_truncation_mask): New function.
3739         (TARGET_SHIFT_TRUNCATION_MASK): Define.
3740
3741 2010-09-02  Richard Henderson  <rth@redhat.com>
3742
3743         * configure.ac (gcc_cv_as_cfi_advance_working): Use objdump
3744         instead of readelf in the test.
3745         (gcc_cv_as_cfi_sections_directive): Check for correct relocation
3746         in the .debug_frame section for coff targets.
3747         * configure: Rebuild.
3748
3749 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
3750
3751         * config/m32c/m32c.h (CLASS_LIKELY_SPILLED_P): Remove.
3752         * config/m32c/m32c-protos.h (m32c_class_likely_spilled_p): Remove.
3753         * config/m32c/m32c.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
3754         (m32c_class_likely_spilled_p): Make static. Change argument type to
3755         reg_class_t. Change result type to bool.
3756
3757 2010-09-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3758
3759         * config/rs6000/rs6000.opt (-mfriz): New switch to control whether
3760         to convert (double)(long) into a single FRIZ instruction or not
3761         when -ffast-math is used.
3762
3763         * config/rs6000/vsx.md (VSX_DF): New iterator for DF/V2DF modes.
3764         (vsx_float_fix_<mode>2): Optimize (double)(long) into X{S,V}RDPIZ
3765         or FRIZ instruction if -ffast-math.
3766         * config/rs6000/rs6000.md (friz): Ditto.
3767
3768         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mfriz.
3769
3770 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
3771
3772         * opth-gen.awk (quote, comma): Remove unused variables.
3773
3774 2010-09-02  Ryan Mansfield  <rmansfield@qnx.com>
3775
3776         * arm.c (arm_override_options): Correct fall-back code to use
3777         SUBTARGET_CPU_DEFAULT.
3778
3779 2010-09-02  Julian Brown  <julian@codesourcery.com>
3780
3781         * config/arm/neon.md (UNSPEC_VCLE, UNSPEC_VCLT): New constants for
3782         unspecs.
3783         (vcond<mode>, vcondu<mode>): New expanders.
3784         (neon_vceq<mode>, neon_vcge<mode>, neon_vcgt<mode>): Support
3785         comparisons with zero.
3786         (neon_vcle<mode>, neon_vclt<mode>): New patterns.
3787         * config/arm/constraints.md (Dz): New constraint.
3788
3789 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
3790
3791         * target.def (class_likely_spilled_p): New hook.
3792         * doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Document.
3793         * doc/tm.texi: Regenerate.
3794         * targhooks.c (default_class_likely_spilled_p): New function.
3795         * targhooks.h (default_class_likely_spilled_p): Declare.
3796         * regs.h (CLASS_LIKELY_SPILLED_P): Remove.
3797         * combine.c (cant_combine_insn_p, likely_spilled_retval_p): Use
3798         TARGET_CLASS_LIKELY_SPILLED_P target hook. Use HARD_REGISTER_P macro.
3799         Use fixed_reg_set instead of fixed_regs.
3800         * cse.c (hash_rtx_cb): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
3801         * calls.c (avoid_likely_spilled_reg): Ditto.
3802         * ira-conflicts.c (ira_build_conflicts): Ditto.
3803         * ira.c (update_equiv_regs): Ditto.
3804         * mode-switching.c (create_pre_exit): Ditto.
3805         * regmove.c (find_matches): Ditto.
3806         (regclass_compatible_p): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
3807         * reload.c (SMALL_REGISTER_CLASS_P): Remove macro.
3808         (small_register_class_p): New inline function.
3809         (push_secondary_reload, find_reusable_reload, find_reloads): Use
3810         small_register_class_p instead of SMALL_REGISTER_CLASS_P.
3811
3812         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Remove.
3813         * config/i386/i386.c (ix86_class_likely_spilled_p): New.
3814         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
3815
3816 2010-09-02  Richard Guenther  <rguenther@suse.de>
3817
3818         PR tree-optimization/44937
3819         PR tree-optimization/45412
3820         * ipa-split.c (split_function): Properly remove PHI nodes.
3821
3822 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
3823
3824         * opts.h (struct cl_option): Add warn_message field.
3825         (struct cl_decoded_option): Add warn_message field.
3826         * doc/options.texi (Ignore, Warn): Document.
3827         * opt-functions.awk (needs_state_p): Don't consider aliases or
3828         ignored options to need state saved.
3829         * optc-gen.awk: Handle Warn and Ignore.
3830         * opth-gen.awk: Output OPT_SPECIAL_ignore.
3831         * opts-common.c (decode_cmdline_option): Set warn_message field.
3832         Handle ignored options.
3833         (decode_cmdline_options_to_array, generate_option,
3834         generate_option_input_file): Set warn_message field.
3835         (read_cmdline_option): Generate warnings from warn_message field.
3836         Handle ignored options.
3837         * common.opt (Wunreachable-code, fargument-alias,
3838         fargument-noalias, fargument-noalias-global,
3839         fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
3840         floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
3841         fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
3842         ftree-salias): Mark Ignore.
3843         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
3844         -mintel-syntax and -mno-intel-syntax here.
3845         * config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
3846         using Warn.
3847         * opts.c (common_handle_option): Don't handle options marked as
3848         ignored.
3849         (enable_warning_as_error): Handle ignored options.
3850
3851 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
3852
3853         PR driver/44076
3854         * opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
3855         alias_target fields.
3856         * opt-functions.awk (opt_sanitized_name): Don't handle
3857         finline-limit=, Wlarger-than= and ftemplate-depth= specially.
3858         * optc-gen.awk: Generate alias fields.
3859         * opth-gen.awk: Explicitly give values for OPT_* enum constants.
3860         Don't generate such constants for aliases.
3861         * opts-common.c (generate_canonical_option): New.
3862         (decode_cmdline_option): Handle aliases.  Use
3863         generate_canonical_option for known options instead of copying the
3864         input option text.
3865         * doc/options.texi (Alias): Document.
3866         * common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
3867         fstack-check, specs): Mark as aliases.
3868         * gcc.c (driver_handle_option): Canonicalize -L options to joined
3869         arguments.
3870         (driver_handle_option): Don't handle OPT_specs.
3871         * opts.c (common_handle_option): Don't handle options marked as
3872         aliases.
3873         (enable_warning_as_error): Handle aliases.
3874         * stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
3875         OPT_Wlarger_than_eq.
3876         * tree-optimize.c (tree_rest_of_compilation): Use
3877         OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.
3878
3879 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
3880
3881         * config/i386/i386.md (nonmemory_operand): New mode attribute.
3882         (push memory peephole2): Macroize peepholes using SWI mode iterator.
3883         (move immediate to memory peephole2): Macroize peepholes using
3884         SWI124 mode iterator.
3885         (non-pairable NOT peephole2): Macroize peepholes using SWI124
3886         mode iterator.
3887         (simple lea add peephole2): Macroize peepholes using SWI48
3888         mode iterator.
3889         (simple lea mult peephole2): Ditto.
3890         (imul by 3,5,9 to lea peephole2): Ditto.
3891         (mov $-1, reg peephole2): Macroize peepholes using SWI248
3892         mode iterator.
3893         (imul $32bit_imm,mem,reg peephole2): Ditto.
3894         (imul $8/16bit_imm,regmem,reg peephole2): Ditto.
3895
3896 2010-09-02  Ian Bolton  <ian.bolton@arm.com>
3897
3898         * tree-ssa-loop-prefetch.c: Fix comment at head of file.
3899
3900 2010-09-02  Olivier Hainque  <hainque@adacore.com>
3901
3902         PR middle-end/44763
3903         * ira-color.c (SORTGT): New macro, helper for qsort callbacks.
3904         (allocno_priority_compare_func): Use it instead of a straight
3905         difference computation over priorities.
3906
3907 2010-09-02  Andi Kleen  <ak@linux.intel.com>
3908
3909         * opts.c (common_handle_option): Fix OPT_fwhopr/fwhopr_ handling.
3910
3911 2010-09-02  Ira Rosen  <irar@il.ibm.com>
3912
3913         * tree-vectorizer.h (get_later_stmt): New function.
3914         (vect_analyze_data_ref_dependences): Add argument.
3915         * tree-vect-loop.c (vect_analyze_loop): Update call to
3916         vect_analyze_data_ref_dependences.
3917         * tree-vect-data-refs.c (vect_drs_dependent_in_basic_block):
3918         New function.
3919         (vect_analyze_data_ref_dependence): Add argument for basic block
3920         dependencies. Check dependencies in basic block vectorization.
3921         (vect_analyze_data_ref_dependences): Add argument and update call to
3922         vect_analyze_data_ref_dependences.
3923         * tree-vect-slp.c (vect_find_last_store_in_slp_instance): New.
3924         (vect_bb_vectorizable_with_dependencies): New.
3925         (vect_slp_analyze_bb): Check dependencies in basic block.
3926         (vect_schedule_slp_instance): Insert stores before the last store in
3927         SLP instance.
3928
3929 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
3930
3931         PR target/45476
3932         * config/i386/freebsd.h (LIBGCC2_HAS_TF_MODE,
3933         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
3934
3935 2010-09-01  Jakub Jelinek  <jakub@redhat.com>
3936
3937         PR middle-end/45458
3938         * bb-reorder.c (add_labels_and_missing_jumps): Treat
3939         bbs ending with throwing insns like blocks ending with a call.
3940         (fix_up_fall_thru_edges): Likewise.
3941
3942 2010-09-01  Nathan Froyd  <froydnj@codesourcery.com>
3943
3944         * config/m32c/m32c-protos.h (m32c_function_arg): Delete.
3945         (m32c_function_arg_advance): Delete.
3946         * config/m32c/m32c.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
3947         * config/m32c/m32c.c (m32c_function_arg): Make static.  Adjust
3948         comments.  Take a const_tree and a bool.  Declare.
3949         (m32c_function_arg_advance): Likewise.
3950         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
3951
3952 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
3953
3954         PR target/45476
3955         * config/i386/cygming.h (LIBGCC2_HAS_TF_MODE,
3956         LIBGCC2_TF_CEXT, TF_SIZE): Move from ...
3957         * config/i386/mingw32.h: ... here.
3958
3959 2010-09-01  Andi Kleen  <ak@linux.intel.com>
3960
3961         PR lto/45475
3962         * lto-streamer-in.c (lto_input_ts_target_option): Add.
3963         (lto_input_tree_pointers): Call lto_input_ts_target_option.
3964         * lto-streamer-out (lto_output_ts_target_option): Add.
3965         (lto_output_tree_pointers): Call lto_output_ts_target_option.
3966
3967 2010-09-01  Kai Tietz  <kai.tietz@onevision.com>
3968
3969         PR/target 45452
3970         * config/i386/cygwin.h: Change order of specified import libraries.
3971         * config/i386/mingw32.h: Likewise.
3972         * config/i386/t-cygwin: Likewise.
3973         * config/i386/t-mingw32: Likewise.
3974         * config/i386/t-mingw-w32: Likewise.
3975         * config/i386/t-mingw-w64: Likewise.
3976
3977 2010-09-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3978
3979         * config/arm/neon-schedgen.ml (core): New type.
3980         (allCores): List of supported cores.
3981         (availability_table): Add supported cores.
3982         (collate_bypasses): Accept core as a parameter.
3983         (worst_case_latencies_and_bypasses): Accept core as a parameter.
3984         (emit_insn_reservations): Accept core as a parameter.  Use tuneStr
3985         and coreStr to get tune attribute and prefix for functional units.
3986         (emit_bypasses): Accept core name and use it.
3987         (calculate_per_core_availability_table): New.
3988         (filter_core): New.
3989         (calculate_core_availability_table): New.
3990         (main): Use calculate_core_availablity_table.
3991         * config/arm/cortex-a8-neon.md: Update copyright year.
3992         Regenerated from ml file and merged in.
3993         (neon_mrrc, neon_mrc): Rename to cortex_a8_neon_mrrc and
3994         cortex_a8_neon_mrc.
3995
3996 2010-09-01  Ian Bolton  <ian.bolton@arm.com>
3997
3998         * Makefile.in (tree-switch-conversion.o): Update dependencies.
3999
4000 2010-09-01  Richard Guenther  <rguenther@suse.de>
4001
4002         * alias.c (ao_ref_from_mem): Adjust.
4003         * builtins.c (get_object_alignment): Likewise.
4004         * cfgexpand.c (expand_debug_expr): Likewise.
4005         * gimple.c (get_base_address): Likewise.
4006         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4007         (get_addr_base_and_unit_offset): Likewise.  Fix for
4008         both TMR_SYMBOL and TMR_BASE being set.
4009         * tree-eh.c (tree_could_trap_p): Likewise.
4010         * gimplify.c (gimplify_expr): Do not attempt to gimplify
4011         TMR_SYMBOL.  Always gimplify TMR_BASE.
4012         * tree-cfg.c (verify_types_in_gimple_reference): Verify
4013         TMR_BASE if there is a TMR_SYMBOL.
4014         * tree-pretty-print.c (dump_generic_node): Adjust.
4015         * tree-ssa-address.c (addr_for_mem_ref): Likewise.
4016         (tree_mem_ref_addr): Likewise.
4017         (create_mem_ref_raw): Likewise.
4018         (move_fixed_address_to_symbol): Likewise.
4019         (create_mem_ref): Likewise.
4020         (dump_mem_address): Likewise.
4021         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Adjust.
4022         Fix for both TMR_SYMBOL and TMR_BASE being set.
4023         (indirect_refs_may_alias_p): Likewise.
4024         * tree-ssa-operands.c (get_tmr_operands): Adjust.
4025         * tree.def (TARGET_MEM_REF): Adjust documentation.
4026
4027 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
4028
4029         * config/i386/i386.h (enum ix86_tune_indices) <X86_TUNE_SINGLE_POP>:
4030         Rename from X86_TUNE_ADD_ESP_4.
4031         <IX86_TUNE_DOUBLE_POP>: Rename from X86_TUNE_ADD_ESP_8.
4032         <IX86_TUNE_SINGLE_PUSH>: Rename from X86_TUNE_SUB_ESP_4.
4033         <IX86_TUNE_DOUBLE_PUSH>: Rename from X86_TUNE_SUB_ESP_8.
4034         (TARGET_SINGLE_POP): Rename from TARGET_ADD_ESP_4.
4035         (TARGET_DOUBLE_POP): Rename from TARGET_ADD_ESP_8.
4036         (TARGET_SINGLE_PUSH): Rename from TARGET_SUB_ESP_4.
4037         (TARGET_DOUBLE_POP): Rename from TARGET_SUB_ESP_8.
4038         * config/i386/i386.c (initial_ix86_tune_features)
4039         <X86_TUNE_SINGLE_POP>: Invert members.
4040         <X86_TUNE_DOUBLE_POP>: Ditto.
4041         <X86_TUNE_SINGLE_PUSH>: Ditto.
4042         <X86_TUNE_DOUBLE_PUSH>: Ditto.
4043         * config/i386/i386.md (*pop<mode>1): Rename from pop<mode>1.
4044         No longer exported.
4045         (push peephole2 patterns): Macroize peepholes using P mode iterator.
4046         Adjust for renamed TARGET_{SINGLE,DOUBLE}_PUSH defines.
4047         (pop peephole2 patterns): Macroize peepholes using P mode iterator.
4048         Adjust for renamed TARGET_{SINGLE,DOUBLE}_POP defines.
4049
4050 2010-09-01  Eric Botcazou  <ebotcazou@adacore.com>
4051
4052         * gimplify.c (gimplify_init_constructor): Do not create a temporary for
4053         a volatile LHS if the constructor has only one element.
4054
4055 2010-09-01  Mikael Pettersson  <mikpe@it.uu.se>
4056
4057         PR bootstrap/45321
4058         * tree.c (stdarg_p): Make fntype parameter const.
4059         * tree.h (stdarg_p): Likewise.
4060         (function_args_iterator): Remove unused fntype field.
4061         (function_args_iter_init): Do not initialize fntype
4062         field.  Make fntype parameter const.
4063
4064 2010-09-01  Richard Guenther  <rguenther@suse.de>
4065
4066         * tree-vrp.c (adjust_range_with_scev): Use number of iteration
4067         estimate.
4068         (vrp_visit_phi_node): Delay using SCEV till we balloon the range.
4069         (execute_vrp): Compute number of iteration estimates.
4070         * cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype.
4071         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
4072         * tree-data-ref.c (estimated_loop_iterations): Adjust.
4073         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
4074         Infer loop bounds from undefined behavior based on a new parameter.
4075         (estimate_numbers_of_iterations): Likewise.
4076         (scev_probably_wraps_p): Adjust.
4077         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
4078
4079 2010-09-01  Nick Clifton  <nickc@redhat.com>
4080
4081         * config/stormy16/stormy16.c: Use REG_P, MEM_P and CONST_INT_P
4082         where appropriate.
4083         (xstormy16_legitimate_address_p): Use true and false instead of 1
4084         and 0.
4085         (xstormy16_expand_prologue): Delete unused local variable 'insn'.
4086         (xstormy16_function_arg): Use FIRST_ARGUMENT_REGNUM in place of
4087         magic constant 2.
4088         (xstormy16_expand_call): Fix comment at start of function.
4089
4090 2010-09-01  Nick Clifton  <nickc@redhat.com>
4091
4092         * config/rx/rx.c (rx_expand_prologue): Do not adjust frame size
4093         when pushing accumulator register.
4094         (rx_get_stack_layout): Always save call clobbered registers inside
4095         interrupt handlers.
4096         * config/rx/rx-modes.def: Fix descriptive comment at start of file.
4097
4098 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
4099
4100         * config.gcc (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add
4101         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
4102
4103         * libgcc-std.ver (GCC_4.6.0): Define version.
4104
4105 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
4106
4107         * tree-nested.c (convert_all_function_calls): Iterate until after the
4108         sum of static chains in the nest doesn't change.
4109
4110 2010-08-31  Anatoly Sokolov  <aesok@post.ru>
4111
4112         * config/m32c/m32c.c (classes_intersect): Remove.
4113         (m32c_preferred_reload_class, m32c_secondary_reload_class): Use
4114         reg_classes_intersect_p instead of classes_intersect.
4115         (class_can_hold_mode): Change arguments type from enum reg_class to
4116         reg_class_t.  Use reg_class_contents instead of class_contents.
4117         (m32c_register_move_cost): Make static. Change arguments type from
4118         enum reg_class to reg_class_t. Use reg_classes_intersect_p instead of
4119         classes_intersect. Use reg_class_contents instead of class_contents.
4120         (m32c_memory_move_cost): Make static. Change arguments type from
4121         enum reg_class to reg_class_t.
4122         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
4123         * config/m32c/m32c.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
4124         * config/m32c/m32c-protos.h (m32c_register_move_cost,
4125         m32c_memory_move_cost): Remove.
4126
4127 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
4128
4129         * config/arm/arm-protos.h (arm_function_arg_advance): Delete.
4130         (arm_function_arg): Delete.
4131         (arm_needs_doubleword_align): Take a const_tree.
4132         * config/arm/arm.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
4133         * config/arm/arm.c (aapcs_select_call_coproc): Take a const_tree.
4134         (aapcs_layout_arg, arm_needs_doubleword_align): Likewise.
4135         (arm_function_arg): Make static.  Take a const_tree and a bool.
4136         (arm_function_arg_advance): Likewise.
4137         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4138
4139 2010-08-31  Andi Kleen  <ak@linux.intel.com>
4140
4141         * common.opt (fwhopr=): Update for -fwhopr=jobserver
4142         * doc/invoke.texi (fwhopr): Document -fwhopr=jobserver.
4143         * lto-wrapper.c (run_gcc): Add jobserver mode.
4144         * opts.c (common_handle_option): Fix OPT_fwhopr for non numeric
4145         argument.
4146
4147 2010-08-31  Uros Bizjak  <ubizjak@gmail.com>
4148
4149         * config/i386/i386.md (popdi1): Rewrite using POST_INC memory operand.
4150         (popsi1): Ditto.
4151         (*popdi1_epilogue): Ditto.
4152         (*popsi1_epilogue): Ditto.
4153         (popsi, popdi peephole2 patterns): Update peepholes for changed
4154         pop{si,di}1 and *pop{si,di}1_epilogue patterns.
4155
4156         (pop<mode>1): Macroize insn from pop{si,di}1 using P code iterator.
4157         (*pop<mode>1_epilogue): Ditto from *pop{si,di}1_epilogue.
4158
4159         * config/i386/i386.c (*ix86_gen_pop1): Remove indirect function.
4160         (override_options): Do not initialize removed ix86_gen_pop1.
4161         (gen_pop): New static function.
4162         (ix86_expand_prologue): Use gen_pop instead of ix86_gen_pop1.
4163         (release_scratch_register_on_entry): Ditto.
4164         (ix86_restore_reg_using_pop): Ditto.
4165         (ix86_expand_epilogue): Ditto.
4166
4167 2010-08-31  Jakub Jelinek  <jakub@redhat.com>
4168
4169         PR middle-end/45461
4170         * builtins.c (dummy_object): Return a MEM_REF instead of INDIRECT_REF.
4171
4172 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
4173
4174         * config/fr30/fr30.c (fr30_move_double): Delete `dregno' and extra
4175         semicolons.
4176
4177 2010-08-31  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4178
4179         * doc/extend.texi: Fix documentation of the return value of
4180         __builtin_choose_expr.
4181
4182 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
4183
4184         * config/v850/v850-protos.h (function_arg): Delete.
4185         * config/v850/v850.h (FUNCTION_ARG): Delete.
4186         (FUNCTION_ARG_ADVANCE): Move code to...
4187         * config/v850/v850.c (v850_function_arg_advance): ...here.
4188         (v850_function_arg): Make static.  Take a const_tree and a bool.
4189         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4190
4191 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
4192
4193         * config/m32r/m32r.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move
4194         these...
4195         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
4196         ...and these...
4197         * config/m32r/m32r.c (m32r_function_arg, m32r_function_arg_advance):
4198         ..to here..
4199         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
4200         ...and here.
4201         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4202
4203 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
4204
4205         * config/rx/rx-protos.h (rx_function_arg, rx_function_arg_size):
4206         Delete.
4207         * config/rx/rx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
4208         * config/rx/rx.c (rx_function_arg_size): Make static.
4209         (rx_function_arg): Likewise.
4210         (rx_function_arg_advance): New function.
4211         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4212
4213 2010-08-31  John Tytgat  <John.Tytgat@aaug.net>
4214
4215         * config/arm/arm.c (arm_override_options): Remove superfluous test.
4216         Fix indentation.
4217
4218 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
4219
4220         * dwarf2out.c (gen_decl_die) <CONST_DECL>: Do not skip in Ada.
4221         (dwarf2out_decl) <CONST_DECL>: Likewise.
4222
4223 2010-08-30  Eric Botcazou  <ebotcazou@adacore.com>
4224
4225         Stack usage support
4226         * common.opt (-fstack-usage): New option.
4227         * doc/invoke.texi (Debugging options): Document it.
4228         * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to
4229         allocate_dynamic_stack_space.
4230         (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE
4231         and propagate it to allocate_dynamic_stack_space.
4232         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change.
4233         * calls.c (initialize_argument_information): Pass TRUE as 4th
4234         argument to allocate_dynamic_stack_space.
4235         (expand_call): Set current_function_has_unbounded_dynamic_stack_size
4236         to 1 when pushing a variable-sized argument onto the stack.  Pass
4237         TRUE as 4th argument to allocate_dynamic_stack_space.
4238         Update current_function_pushed_stack_size.
4239         (emit_library_call_value_1): Likewise.
4240         * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter
4241         CANNOT_ACCUMULATE.  If flag_stack_usage, look into the size and
4242         attempt to find an upper bound.  Remove redundant code for the
4243         SETJMP_VIA_SAVE_AREA case.
4244         * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter.
4245         * function.h (struct stack_usage): New structure.
4246         (current_function_static_stack_size): New macro.
4247         (current_function_dynamic_stack_size): Likewise.
4248         (current_function_pushed_stack_size): Likewise.
4249         (current_function_dynamic_alloc_count): Likewise.
4250         (current_function_has_unbounded_dynamic_stack_size): Likewise.
4251         (current_function_allocates_dynamic_stack_space): Likewise.
4252         (struct function): Add new field 'su'.
4253         * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA,
4254         add the value of the dynamic offset to the dynamic stack usage.
4255         (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA
4256         for variable-sized objects.
4257         (prepare_function_start): Allocate cfun->su if flag_stack_usage.
4258         (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage.
4259         * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to
4260         BUILT_IN_ALLOCA for variable-sized objects.
4261         * output.h (output_stack_usage): Declare.
4262         * toplev.c (stack_usage_file): New file pointer.
4263         (output_stack_usage): New function.
4264         (open_auxiliary_file): Likewise.
4265         (lang_dependent_init): Open file if flag_stack_usage is set.
4266         (finalize): Close file if stack_usage_file is not null.
4267         * tree.h (ALLOCA_FOR_VAR_P): New macro.
4268         * config/alpha/alpha.c (compute_frame_size): New function.
4269         (alpha_expand_prologue): Use it.
4270         (alpha_start_function): Likewise.
4271         (alpha_expand_epilogue): Likewise.  Set stack usage info.
4272         * config/i386/i386.c (ix86_expand_prologue): Likewise.
4273         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
4274         * config/mips/mips.c (mips_expand_prologue): Likewise.
4275         * config/pa/pa.c (hppa_expand_prologue): Likewise.
4276         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
4277         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
4278
4279 2010-08-30  Zdenek Dvorak  <ook@ucw.cz>
4280
4281         PR tree-optimization/45427
4282         * tree-ssa-loop-niter.c (number_of_iterations_ne_max): Rewritten.
4283         Handle the case that the exit is never taken correctly.
4284         (number_of_iterations_ne): Pass exit_must_be_taken to
4285         number_of_iterations_ne_max.
4286
4287 2010-08-30  Catherine Moore  <clm@codesourcery.com>
4288
4289         * config/mips/mips.h (BASE_DRIVER_SELF_SPECS):
4290         Infer -mdspr2 for the the 74K.
4291
4292 2010-08-30  Jakub Jelinek  <jakub@redhat.com>
4293
4294         PR debug/45419
4295         * tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.
4296
4297         PR middle-end/45423
4298         * gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
4299         and TRUTH_{AND,OR,XOR}_EXPR.
4300         * c-parser.c (c_parser_omp_atomic): Handle boolean
4301         {PRE,POST}_{INC,DEC}REMENT.
4302
4303 2010-08-30  Nathan Froyd  <froydnj@codesourcery.com>
4304
4305         * config/xtensa/xtensa-protos.h (function_arg_advance): Delete.
4306         (function_arg): Delete.
4307         * config/xtensa/xtensa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
4308         (FUNCTION_INCOMING_ARG): Delete.
4309         * config/xtensa/xtensa.c (function_arg_advance): Rename to...
4310         (xtensa_function_arg_advance): ...this.  Make static. Take a const_tree
4311         and a bool.
4312         (function_arg): Rename to...
4313         (xtensa_function_arg_1): ...this.  Make static.  Take a const_tree and
4314         a bool.
4315         (xtensa_function_arg, xtensa_function_incoming_arg): Nex functions.
4316         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4317         (TARGET_FUNCTION_INCOMING_ARG): Define.
4318
4319 2010-08-30  Richard Guenther  <rguenther@suse.de>
4320
4321         PR tree-optimization/21602
4322         * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy
4323         using points-to information.
4324
4325 2010-08-30  H.J. Lu  <hongjiu.lu@intel.com>
4326
4327         * config/linux.h (TARGET_HAS_SINCOS): Replace | with ||.
4328
4329 2010-08-30  Richard Guenther  <rguenther@suse.de>
4330
4331         PR tree-optimization/45449
4332         * tree-ssa-live.c (remove_unused_locals): Also remove address-taken
4333         variables.
4334
4335 2010-08-30  Joseph Myers  <joseph@codesourcery.com>
4336
4337         * opts.h (CL_ERR_NEGATIVE): Define.
4338         * opts.c (unknown_option_callback): Don't postpone warnings for
4339         options marked with CL_ERR_NEGATIVE.
4340         * opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
4341         for negative versions of CL_REJECT_NEGATIVE options.
4342
4343 2010-08-30  Uros Bizjak  <ubizjak@gmail.com>
4344
4345         * config/i386/i386.md (zero_extendsidi2_1): Rename from
4346         zero_extendsidi2_32.
4347         (zero_extend<mode>di2): Macroize insn from zero_extend{qi,hi}di2
4348         using SWI12 mode iterator.
4349         (zero_extendhisi2_and): Merge insn pattern and corresponding spliter
4350         to define_insn_and_split pattern.
4351         (zero_extendqi<mode>2): Macroize expander from zero_extendqi{hi,si}2
4352         using SWI24 mode iterator.
4353         (*zero_extendqi<mode>2_and): Macroize insn from
4354         *zero_extendqi{hi,si}2_and using SWI24 mode iterator.
4355         (*zero_extendqi<mode>2_movzbl_and): Macroize insn from
4356         *zero_extendqihi2_movzbw_and and *zero_extendqisi2_movzbl_and using
4357         SWI24 mode iterator.
4358         (*zero_extendqi<mode>2_movzbl): Ditto from
4359         *zero_extendqi{hi,si}2_movzbl.
4360         (extendsidi2_1): Rename from extendsidi2_32.
4361         (extend<mode>di2): Macroize insn from extend{qi,hi}di2 using
4362         SWI12 mode iterator.
4363
4364 2010-08-29  Eric Botcazou  <ebotcazou@adacore.com>
4365
4366         * config/ia64/ia64.h (HARD_REGNO_NREGS): Return 1 for CCImode in
4367         general purpose registers.
4368         (HARD_REGNO_MODE_OK): Accept CCImode in general purpose registers.
4369         * config/ia64/ia64.md (*movcci): Change to named pattern.  Deal
4370         with general purpose registers and memory operands.  Add associated
4371         CCImode post-reload splitter.
4372         * config/ia64/div.md: Change BImode to CCImode throughout.
4373
4374 2010-08-28  Eric Botcazou  <ebotcazou@adacore.com>
4375
4376         * config/ia64/ia64.md (cstorebi4): Fix thinko.
4377
4378 2010-08-28  Hariharan Sandanagobalane  <hariharan@picochip.com>
4379
4380         * config/picochip/picochip.c (reorder_var_tracking_notes): This
4381         function was dropping debug insns which caused PR45299.
4382
4383 2010-08-28  Uros Bizjak  <ubizjak@gmail.com>
4384
4385         * config/i386/sse.md (extsuffix): New code attribute.
4386         (sse4_1_<code>v8qiv8hi2): Macroize insn from sse4_1_extendv8qiv8hi2
4387         and sse4_1_zero_extendv8qiv8hi2 using any_extend code iterator.
4388         (sse4_1_<code>v4qiv4si2): Ditto from sse4_1_extendv4qiv4si2
4389         and sse4_1_zero_extendv4qiv4si2.
4390         (sse4_1_<code>v2qiv2di2): Ditto from sse4_1_extendv2qiv2di2
4391         and sse4_1_zero_extendv2qiv2di2.
4392         (sse4_1_<code>v4hiv4si2): Ditto from sse4_1_extendv4hiv4si2
4393         and sse4_1_zero_extendv4hiv4si2.
4394         (sse4_1_<code>v2hiv2di2): Ditto from sse4_1_extendv2hiv2di2
4395         and sse4_1_zero_extendv2hiv2di2.
4396         (sse4_1_extendv2siv2di2): Ditto from sse4_1_extendv2siv2di2
4397         and sse4_1_zero_extendv2siv2di2
4398
4399         (<s>mulv8hi3_highpart): Macroize expander from {u,s}mulv8hi3_highpart
4400         using any_extend code iterator.
4401         (*avx_<s>mulv8hi3_highpart): Macroize insn from
4402         *avx_{u,s}mulv8hi3_highpart using any_extend code iterator.
4403         (*<s>mulv8hi3_highpart): Ditto from *{u,s}mulv8hi3_highpart.
4404
4405         * config/i386/i386.c (ix86_expand_sse4_unpack): Update for renamed
4406         gen_sse4_1_sign_extend* functions.
4407         (struct builtin_description bdesc_args): Ditto.
4408
4409 2010-08-27  Xinliang David Li  <davidxl@google.com>
4410
4411         PR/45422
4412         * tree-ssa-loop-ivopts.c (iv_ca_get_num_inv_exprs): Remove.
4413         (iv_ca_set_no_cp): Update used inv expr count.
4414         (iv_ca_set_cp): Ditto.
4415         (iv_ca_new): Initialize new member.
4416         (iv_ca_free): Free memory.
4417
4418 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
4419
4420         * config/sh/sh-protos.h (sh_function_arg): Delete.
4421         (sh_function_arg_advance): Delete.
4422         * config/sh/sh.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
4423         (PASS_IN_REG_P): Eliminate cast.
4424         * config/sh/sh.c (sh_function_arg_advance): Make static.  Take a
4425         const_tree and a bool.
4426         (sh_function_arg): Likewise.
4427         (sh_output_mi_thunk): Call sh_function_arg_advance) and
4428         sh_function_arg.
4429         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4430
4431 2010-08-27  Naveen H.S  <naveen.S@kpitcummins.com>
4432             Kaz Kojima  <kkojima@gcc.gnu.org>
4433
4434         * config/sh/sh.c (push_regs): Emit movml for interrupt handler
4435         when possible.
4436         (sh_expand_epilogue): Likewise.
4437         * config/sh/sh.md (movml_push_banked): New insn.
4438         (movml_pop_banked): Likewise.
4439
4440 2010-08-28  Bernd Schmidt  <bernds@codesourcery.com>
4441
4442         * genautomata.c (gen_regexp_repeat, gen_regexp_allof,
4443         gen_regexp_oneof, gen_regexp_sequence): Use the string found
4444         in vector element 0 rather than the original string when there's
4445         only one element.
4446         (gen_regexp): Remove extra semicolon.
4447
4448         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp, movsf_vfp,
4449         thumb2_movsf_vfp): Set attribute "insn".
4450         * config/arm/arm.md (arm_ashrdi3_1bit, arm_lshrdi3_1bit, not_shiftsi,
4451         not_shiftsi_compare0, not_shiftsi_compare0_scratch, arm_one_cmplsi2,
4452         thumb1_one_cmplsi2, notsi_compare0, notsi_compare0_scratch,
4453         arm_zero_extendsidi2, arm_extendsidi2, thumb1_movdi_insn,
4454         arm_movsi_insn, movhi_insn_arch4, movhi_bytes, arm_movqi_insn,
4455         thumb1_movqi_insn arm32_movhf, thumb1_movhf, arm_movsf_soft_insn,
4456         thumb1_movsf_insn, thumb_movdf_insn, mov_scc, mov_negscc, mov_notscc,
4457         movsicc_insn, movsfcc_soft_insn, and_scc, cond_move, if_move_not,
4458         if_not_move, if_shift_move, if_move_shift, if_shift_shift,
4459         if_not_arith, if_arith_not, cond_move_not): Likewise.
4460
4461 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
4462
4463         * config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert):
4464         New declaration.
4465         (rs6000_allocate_stack_temp): Ditto.
4466         (rs6000_expand_convert_si_to_sfdf): Ditto.
4467
4468         * config/rs6000/rs6000.c (rs6000_override_options): Adjust long
4469         line.  Update the options set if power6 or power7 server/embedded
4470         type options are used.  If we give a warning for no vsx under
4471         -mcpu=power7 -mno-altivec, mark -mvsx as an explicit option.
4472         (rs6000_allocate_stack_temp): New function to allocate a stack
4473         tempoary and adjust the address so it meets either REG+OFFSET or
4474         REG+REG addressing requirements.
4475         (rs6000_address_for_fpconvert): Adjust REG+OFFSET addresses so
4476         that they can be used with the LFIWAX/LFIWZX instrucitons.
4477         (rs6000_expand_convert_si_to_sfdf): New helper funciton for
4478         converting signed/unsigned SImode to either SFmode/DFmode.
4479
4480         * config/rs6000/rs6000.h (TARGET_FCFID): New macros to determine
4481         whether certain instructions can be generated.
4482         (TARGET_FCTIDZ): Ditto.
4483         (TARGET_STFIWX): Ditto.
4484         (TARGET_LFIWAX): Ditto.
4485         (TARGET_LFIWZX): Ditto.
4486         (TARGET_FCFIDS): Ditto.
4487         (TARGET_FCFIDU): Ditto.
4488         (TARGET_FCFIDUS): Ditto.
4489         (TARGET_FCTIDUZ): Ditto.
4490         (TARGET_FCTIWUZ): Ditto.
4491
4492         * config/rs6000/rs6000.md (UNSPEC_FCTIW): New unspec constants.
4493         (UNSPEC_FCTID): Ditto.
4494         (UNSPEC_LFIWAX): Ditto.
4495         (UNSPEC_LFIWZX): Ditto.
4496         (UNSPEC_FCTIWUZ): Ditto.
4497         (rreg): Use correct constraints.
4498         (SI_CONVERT_FP): New mode attribute for floating point conversion
4499         tests.
4500         (E500_CONVERT): Ditto.
4501         (lfiwax): New insns for converting from integer to floating point
4502         utilizing newer instructions.  Attempt to optimize conversions
4503         that come from memory so that we don't load the value into a GPR,
4504         spill it to the stack and reload it into a FPR.
4505         (floatsi<mode>2_lfiwax): Ditto.
4506         (floatsi<mode>2_lfiwax_mem): Ditto.
4507         (floatsi<mode>2_lfiwax_mem2): Ditto.
4508         (lfiwzx): Ditto.
4509         (floatunssi<mode>2_lfiwzx): Ditto.
4510         (floatunssi<mode>2_lfiwzx_mem): Ditto.
4511         (floatunssi<mode>2_lfiwzx_mem2): Ditto.
4512         (floatdidf2_mem): Ditto.
4513         (floatunsdidf2_fcfidu): Ditto.
4514         (floatunsdidf2_mem): Ditto.
4515         (floatunsdisf2): Ditto.
4516         (floatunsdisf2_fcfidus): Ditto.
4517         (floatunsdisf2_mem): Ditto.
4518         (floatsidf2): Add support for LFIWAX/LFIWZX/FCFIDS/FCFIDU/FCFIDUS.
4519         Use FCFID on 32-bit hosts that support it.
4520         (floatsidf2_internal): Ditto.
4521         (floatunssisf2): Ditto.
4522         (floatunssidf2): Ditto.
4523         (floatunssidf2_internal): Ditto.
4524         (floatsisf2): Ditto.
4525         (floatdidf2): Ditto.
4526         (floatdidf2_fpr): Ditto.
4527         (floatunsdidf2): Ditto.
4528         (floatdisf2): Ditto.
4529         (floatdisf2_fcfids): Ditto.
4530         (floatdisf2_internal1): Ditto.
4531         (fixuns_truncsfsi2): Delete, merge into common pattern for both
4532         SF/DF.  Add power7 support.
4533         (fix_truncsfsi2): Ditto.
4534         (fixuns_truncdfsi2): Ditto.
4535         (fixuns_truncdfdi2): Ditto.
4536         (fix_truncdfsi2): Ditto.
4537         (fix_truncdfsi2_internal): Ditto.
4538         (fix_truncdfsi2_internal_gfxopt): Ditto.
4539         (fix_truncdfsi2_mfpgpr): Ditto.
4540         (fctiwz): Ditto.
4541         (btruncdf2): Ditto.
4542         (btruncdf2_fpr): Ditto.
4543         (btructsf2): Ditto.
4544         (ceildf2): Ditto.
4545         (ceildf2_fpr): Ditto.
4546         (ceilsf2): Ditto.
4547         (floordf2): Ditto.
4548         (floordf2_fpr): Ditto.
4549         (floorsf2): Ditto.
4550         (rounddf2): Ditto.
4551         (rounddf2_fpr): Ditto.
4552         (roundsf2): Ditto.
4553         (fix_trunc<mode>si2): Combine SF/DF conversion into one insn.
4554         (fix_trunc<mode>di2): Ditto.
4555         (fixuns_trunc<mode>si2): Ditto.
4556         (fixuns_trunc<mode>di2): Ditto.
4557         (fctiwz_<mode>): Ditto.
4558         (btrunc<mode>2): Ditto.
4559         (btrunc<mode>2_fpr): Ditto.
4560         (ceil<mode>2): Ditto.
4561         (ceil<mode>2_fpr): Ditto.
4562         (floor<mode>2): Ditto.
4563         (float<mode>2_fpr): Ditto.
4564         (round<mode>2): Ditto.
4565         (round<mode>2_fpr): Ditto.
4566         (fix_trunc<mode>si2_stfiwx): New insn for machines with STFIWX.
4567         (fixuns_trunc<mode>si2_stfiwx): Ditto.
4568         (fix_truncdfsi2_internal): Ditto.
4569         (fix_trunc<mode>si2_mem): Combiner pattern to eliminate storing
4570         converted value on stack, loaded into GPR, and then stored into
4571         the final destination.
4572         (fix_trunc<mode>di2_fctidz): New pattern for targets supporting
4573         FCTIDZ.
4574         (lrint<mode>di2): New insn, provide the lrint builtin functions.
4575         (ftruncdf2): Delete, unused.
4576         (fix_trunctfsi2_internal): Use gen_fctiwz_df, not gen_fctiwz.
4577
4578         * config/rs6000/vsx.md (toplevel): Update copyright year.
4579         (VSr2): Use "ws" contraint for DFmode, not "!r#r".
4580         (VSr3): Ditto.
4581
4582 2010-08-27  Basile Starynkevitch  <basile@starynkevitch.net>
4583             Jeremie Salvucci  <jeremie.salvucci@free.fr>
4584
4585         * gengtype.c (output_type_enum): Test the right union member.
4586
4587 2010-08-27  Uros Bizjak  <ubizjak@gmail.com>
4588
4589         PR target/41484
4590         * config/i386/sse.md (sse4_1_extendv8qiv8hi2): Also accept memory
4591         operands for operand 1.
4592         (sse4_1_extendv4qiv4si2): Ditto.
4593         (sse4_1_extendv2qiv2di2): Ditto.
4594         (sse4_1_extendv4hiv4si2): Ditto.
4595         (sse4_1_extendv2hiv2di2): Ditto.
4596         (sse4_1_extendv2siv2di2): Ditto.
4597         (sse4_1_zero_extendv8qiv8hi2): Ditto.
4598         (sse4_1_zero_extendv4qiv4si2): Ditto.
4599         (sse4_1_zero_extendv2qiv2di2): Ditto.
4600         (sse4_1_zero_extendv4hiv4si2): Ditto.
4601         (sse4_1_zero_extendv2hiv2di2): Ditto.
4602         (sse4_1_zero_extendv2siv2di2): Ditto.
4603         (*sse4_1_extendv8qiv8hi2): Remove insn pattern.
4604         (*sse4_1_extendv4qiv4si2): Ditto.
4605         (*sse4_1_extendv2qiv2di2): Ditto.
4606         (*sse4_1_extendv4hiv4si2): Ditto.
4607         (*sse4_1_extendv2hiv2di2): Ditto.
4608         (*sse4_1_extendv2siv2di2): Ditto.
4609         (*sse4_1_zero_extendv8qiv8hi2): Ditto.
4610         (*sse4_1_zero_extendv4qiv4si2): Ditto.
4611         (*sse4_1_zero_extendv2qiv2di2): Ditto.
4612         (*sse4_1_zero_extendv4hiv4si2): Ditto.
4613         (*sse4_1_zero_extendv2hiv2di2): Ditto.
4614         (*sse4_1_zero_extendv2siv2di2): Ditto.
4615
4616 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
4617
4618         * config/mips/mips-protos.h (mips_function_arg_advance): Delete
4619         (mips_function_arg): Delete.
4620         (mips_function_arg_boundary): Take a const_tree.
4621         * config/mips/mips.c (mips_function_arg_boundary): Likewise.
4622         (mips_arg_info): Likewise.
4623         (mips_setup_incoming_varargs): Call mips_function_arg_advance
4624         instead of FUNCTION_ARG_ADVANCE.
4625         (mips_function_arg_advance): Adjust prototype.  Make static.
4626         (mips_function_arg): Likewise.
4627         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4628         * config/mips/mips.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.
4629
4630 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
4631
4632         * config/rs6000/rs6000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
4633         * config/rs6000/rs6000-protos.h (function_arg_advance): Delete.
4634         (function_arg): Delete.
4635         (function_arg_boundary): Take a const_tree.
4636         * config/rs6000/rs6000.c (function_arg_boundary): Likewise.
4637         (rs6000_spe_function_arg): Likewise.
4638         (rs6000_parm_start): Likewise.
4639         (rs6000_arg_size): Likewise.
4640         (rs6000_darwin64_record_arg_advance_recurse): Likewise.
4641         (rs6000_darwin64_record_arg): Likewise.  Take a bool instead of an int.
4642         (rs6000_mixed_function_arg): Likewise.
4643         (function_arg): Rename to...
4644         (rs6000_function_arg): ...this.
4645         (function_arg_advance): Rename to...
4646         (rs6000_function_arg_advance_1): ...this
4647         (rs6000_function_arg_advance): New function.  Call it.
4648         (setup_incoming_varargs): Call rs6000_function_arg_advance_1.
4649         (rs6000_return_in_memory): Adjust call to rs6000_darwin64_record_arg.
4650         (rs6000_function_value): Likewise.
4651         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
4652
4653 2010-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4654
4655         * config/arm/arm.md (enabled): Test the value of arch_enabled
4656         rather than just using it.
4657
4658 2010-08-27  Olivier Hainque  <hainque@adacore.com>
4659             Eric Botcazou  <ebotcazou@adacore.com>
4660
4661         * dse.c (group_info.base_mem, get_group_info): Use BLKmode to
4662         cover all the possible offsets from this base.
4663         (scan_reads_nospill): Pass base_mem's mode to canon_true_dependence.
4664
4665 2010-08-26  Jakub Jelinek  <jakub@redhat.com>
4666
4667         PR tree-optimization/44485
4668         * calls.c (flags_from_decl_or_type): For const or pure
4669         noreturn functions return ECF_LOOPING_CONST_OR_PURE|ECF_NORETURN
4670         together with ECF_CONST resp. ECF_PURE.
4671         * builtins.c (expand_builtin): Use flags_from_decl_or_type
4672         instead of querying flags directly.
4673         * tree-ssa-loop-niter.c (finite_loop_p): Likewise.
4674         * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
4675
4676 2010-08-26  Richard Guenther  <rguenther@suse.de>
4677
4678         PR tree-optimization/45255
4679         * tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P statics
4680         and externals are also invariant.
4681
4682 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
4683
4684         PR rtl-optimization/44858
4685         * combine.c (try_combine): If recog_for_combine added CLOBBERs to
4686         newi2pat, make sure they don't affect newpat.
4687
4688         PR rtl-optimization/45400
4689         * combine.c (simplify_shift_const_1) <case SUBREG>: Only use
4690         SUBREG_REG if both modes are of MODE_INT class.
4691
4692 2010-08-25  Julian Brown  <julian@codesourcery.com>
4693
4694         * config/arm/arm.c (arm_issue_rate): Return 2 for Cortex-A5.
4695         * config/arm/arm.md (generic_sched): No for Cortex-A5.
4696         (generic_vfp): Likewise.
4697         (cortex-a5.md): Include.
4698         * config/arm/cortex-a5.md: New.
4699
4700 2010-08-25  Richard Guenther  <rguenther@suse.de>
4701
4702         * alias.c (get_alias_set): Assign a single alias-set to all pointers.
4703         * gimple.c (gimple_get_alias_set): Remove special handling
4704         for pointers.
4705
4706 2010-08-25  Bernd Schmidt  <bernds@codesourcery.com>
4707
4708         PR middle-end/45355
4709         * combine.c (try_combine): Use reg_overlap_mentioned_p rather than
4710         dead_or_set_p when computing i0_feeds_i2_n.
4711
4712         * combine.c (find_split_point): Undo canonicalization of multiply-add
4713         to (minus x (mult)) when it seems likely that this will increase the
4714         chances of a split.
4715
4716 2010-08-25  Richard Guenther  <rguenther@suse.de>
4717
4718         PR lto/44562
4719         * lto-streamer.c (lto_record_common_node): Do not mess with
4720         TYPE_CANONICAL when not in lto.
4721         * gimple.c (gimple_register_type): Likewise.
4722
4723 2010-08-25  Richard Guenther  <rguenther@suse.de>
4724
4725         PR tree-optimization/45316
4726         * tree-ssa-pre.c (eliminate): Properly clean EH info.
4727
4728 2010-08-25  Richard Guenther  <rguenther@suse.de>
4729
4730         PR tree-optimization/45393
4731         * tree-ssa-math-opts.c (execute_cse_sincos_1): Properly transfer
4732         and clean EH info.  Avoid SSA update.
4733         (execute_cse_sincos): Cleanup the CFG if it has changed.
4734
4735 2010-08-25  Richard Guenther  <rguenther@suse.de>
4736
4737         PR middle-end/45379
4738         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle
4739         TARGET_MEM_REF in alignment computation.
4740
4741 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
4742
4743         PR tree-optimization/45059
4744         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Strip useless
4745         type conversions from newop{1,2}.  Assert t is a comparison and
4746         newop{1,2} after the stripping are gimple vals.
4747
4748 2010-08-25  Tejas Belagod  <tejas.belagod@arm.com>
4749
4750         * config/arm/iterators.md (VU, SE, V_widen_l): New.
4751         (V_unpack, US): New.
4752         * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Expansion for vmovl.
4753         (vec_unpack<US>_lo_<mode>): Likewise.
4754         (neon_vec_unpack<US>_hi_<mode>): Instruction pattern for vmovl.
4755         (neon_vec_unpack<US>_lo_<mode>): Likewise.
4756         (vec_widen_<US>mult_lo_<mode>): Expansion for vmull.
4757         (vec_widen_<US>mult_hi_<mode>): Likewise.
4758         (neon_vec_<US>mult_lo_<mode>"): Instruction pattern for vmull.
4759         (neon_vec_<US>mult_hi_<mode>"): Likewise.
4760         (neon_unpack<US>_<mode>): Widening move intermediate step for
4761         vectorizing without -mvectorize-with-neon-quad.
4762         (neon_vec_<US>mult_<mode>): Widening multiply intermediate step
4763         for vectorizing without -mvectorize-with-neon-quad.
4764         * config/arm/predicates.md (vect_par_constant_high): Check for
4765         high-half lanes of a vector.
4766         (vect_par_constant_low): Check for low-half lanes of a vector.
4767
4768 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4769
4770         * tree-if-conv.c (struct ifc_dr): New.
4771         (IFC_DR): New.
4772         (DR_WRITTEN_AT_LEAST_ONCE): New.
4773         (DR_RW_UNCONDITIONALLY): New.
4774         (memref_read_or_written_unconditionally): Use the cached values
4775         when possible.
4776         (write_memref_written_at_least_once): Same.
4777         (if_convertible_loop_p): Initialize and free DR->aux fields.
4778
4779 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4780
4781         * gimple.c (gimple_could_trap_p_1): Not static anymore.
4782         Pass an extra bool parameter include_mem.
4783         (gimple_could_trap_p): Adjust call to gimple_could_trap_p_1.
4784         (gimple_assign_rhs_could_trap_p): Same.
4785         * gimple.h (gimple_could_trap_p_1): Declared.
4786         * tree-data-ref.h (same_data_refs_base_objects): New.
4787         (same_data_refs): New.
4788         * tree-if-conv.c (memrefs_read_or_written_unconditionally): New.
4789         (write_memrefs_written_at_least_once): New.
4790         (ifcvt_memrefs_wont_trap): New.
4791         (operations_could_trap): New.
4792         (ifcvt_could_trap_p): New.
4793         (if_convertible_gimple_assign_stmt_p): Call ifcvt_could_trap_p.
4794         Gets a vector of data refs.
4795         (if_convertible_stmt_p): Same.
4796         (if_convertible_loop_p_1): New.
4797         (if_convertible_loop_p): Call if_convertible_loop_p_1.
4798
4799 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
4800
4801         * common.opt (ftree-loop-if-convert-stores): New flag.
4802         * doc/invoke.texi (ftree-loop-if-convert-stores): Documented.
4803         * tree-if-conv.c (ifc_temp_var): Pass an extra parameter GSI.  Insert
4804         the created statement before GSI.
4805         (if_convertible_phi_p): Allow virtual phi nodes when
4806         flag_loop_if_convert_stores is set.
4807         (if_convertible_gimple_assign_stmt_p): Allow memory reads and writes
4808         Do not handle types that do not match is_gimple_reg_type.
4809         Remove loop and bb parameters.  Call gimple_could_trap_p instead of
4810         when flag_loop_if_convert_stores is set, as LHS can contain
4811         memory refs.
4812         (if_convertible_stmt_p): Remove loop and bb parameters.  Update calls
4813         to if_convertible_gimple_assign_stmt_p.
4814         (if_convertible_loop_p): Update call to if_convertible_stmt_p.
4815         (replace_phi_with_cond_gimple_assign_stmt): Renamed
4816         predicate_scalar_phi.  Do not handle virtual phi nodes.
4817         (ifconvert_phi_nodes): Renamed predicate_all_scalar_phis.
4818         Call predicate_scalar_phi.
4819         (insert_gimplified_predicates): Insert the gimplified predicate of a BB
4820         just after the labels for flag_loop_if_convert_stores, otherwise
4821         insert the predicate in the end of the BB.
4822         (predicate_mem_writes): New.
4823         (combine_blocks): Call predicate_all_scalar_phis.  When
4824         flag_loop_if_convert_stores is set, call predicate_mem_writes.
4825         (tree_if_conversion): Call mark_sym_for_renaming when
4826         flag_loop_if_convert_stores is set.
4827         (main_tree_if_conversion): Return TODO_update_ssa_only_virtuals when
4828         flag_loop_if_convert_stores is set.
4829
4830 2010-08-24  Anatoly Sokolov  <aesok@post.ru>
4831
4832         * config/pa/pa.c (hppa_register_move_cost, pa_libcall_value,
4833         pa_function_value_regno_p, pa_print_operand_punct_valid_p): New.
4834         (pa_function_value): Make static.
4835         (override_options): Rename to...
4836         (pa_option_override): ...this. Make static.
4837         (TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_REGISTER_MOVE_COST,
4838         TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P,
4839         TARGET_OPTION_OVERRIDE): Define.
4840         * config/pa/pa.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P,
4841         LIBCALL_VALUE, REGISTER_MOVE_COST, PRINT_OPERAND_PUNCT_VALID_P):
4842         Remove.
4843         * config/pa/pa-protos.h (override_options): Remove.
4844
4845 2010-08-24  Richard Guenther  <rguenther@suse.de>
4846
4847         PR middle-end/45379
4848         * tree-ssa-address.c (create_mem_ref_raw): Drop to MEM_REF
4849         if addr->index is NULL or zero.
4850         * tree-ssa-alias.c (indirect_refs_may_alias_p): Handle
4851         TARGET_MEM_REF more properly.
4852         (indirect_ref_may_alias_decl_p): Likewise.
4853         * emit-rtl.c (set_mem_attributes_minus_bitpos): Keep TARGET_MEM_REFs.
4854         * alias.c (ao_ref_from_mem): Handle TARGET_MEM_REF more properly.
4855
4856 2010-08-23  Anatoly Sokolov  <aesok@post.ru>
4857
4858         * config/m32c/m32c.c (m32c_function_value_regno_p): Make static.
4859         (m32c_override_options): Rename to...
4860         (m32c_option_override): ...this. Make static.
4861         (TARGET_FUNCTION_VALUE_REGNO_P, TARGET_OPTION_OVERRIDE): Define.
4862         * config/m32c/m32c.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P):
4863         Remove.
4864         * config/m32c/m32c-protos.h (m32c_override_options,
4865         m32c_function_value_regno_p): Remove.
4866
4867 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
4868
4869         * tree-ssa-loop-prefetch.c (gather_memory_references_ref) :
4870         Fix a typo in a previous commit.
4871
4872 2010-08-23  Kai Tietz  <kai.tietz@onevision.com>
4873
4874         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost):
4875         Pre-initialize innerloop_iters to one.
4876
4877 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
4878
4879         * tree-flow.h (may_be_nonaddressable_p): New definition. Make the
4880         existing static function global.
4881
4882         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function
4883         is changed to global.
4884
4885         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call
4886         may_be_nonaddressable_p on base, and don't collect this reference
4887         if the address of the base could not be taken.
4888
4889 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
4890
4891         * config/rs6000/rs6000.opt (-mveclibabi=mass): New option to
4892         enable the compiler to autovectorize mathmetical functions for
4893         power7 using the Mathematical Acceleration Subsystem library.
4894
4895         * config/rs6000/rs6000.c (rs6000_veclib_handler): New variable to
4896         handle which vector math library we have.
4897         (rs6000_override_options): Add -mveclibabi=mass support.
4898         (rs6000_builtin_vectorized_libmass): New function to handle auto
4899         vectorizing math functions that are in the MASS library.
4900         (rs6000_builtin_vectorized_function): Call it.
4901
4902         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
4903         -mveclibabi=mass.
4904
4905 2010-08-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4906
4907         PR boehm-gc/34544
4908         * gthr-posix.h (__gthread_active_init): Delete.
4909         (__gthread_active_p): Do activity check here.
4910         Don't include errno.h on hppa-hpux.  Update comment.
4911         * gthr-posix95.h (__gthread_active_init): Delete.
4912         (__gthread_active_p): Do activity check here.
4913         Don't include errno.h on hppa-hpux.  Update comment.
4914         * config.gcc (hppa[12]*-*-hpux11*): Define extra_parts.
4915         * config/pa/pa64-hpux.h (LIB_SPEC): When -static is specified, only
4916         add -lpthread when -mt or -pthread is specified.
4917         * config/pa/pa-hpux11.h (LIB_SPEC): likewise.
4918         (LINK_GCC_C_SEQUENCE_SPEC): Define.
4919         * config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS): Define.
4920         (stublib.c, pthread_default_stacksize_np-stub.o,
4921         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o,
4922         $(T)libgcc_stub.a): Add methods.
4923         * config/pa/t-pa64 (LIBGCCSTUB_OBJS): Add pthread stubs.
4924         (stublib.c, pthread_default_stacksize_np-stub.o,
4925         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o): Add methods.
4926         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
4927         pthread_mutex_unlock): New stubs.
4928
4929 2010-08-22  Joseph Myers  <joseph@codesourcery.com>
4930
4931         * Makefile.in (gccspec.o, cppspec.o): Update dependencies.
4932         * common.opt (L, nodefaultlibs, nostdlib, pg, static): New
4933         options.
4934         * config/avr/avr.h (LIBSTDCXX): Remove initial "-l".
4935         * config/freebsd.h (MATH_LIBRARY_PROFILE): Remove initial "-l".
4936         * config/i386/djgpp.h (LIBSTDCXX): Remove initial "-l".
4937         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove initial "-l".
4938         * config/s390/tpf.h (MATH_LIBRARY, LIBSTDCXX): Remove initial
4939         "-l".
4940         * cppspec.c: Include opts.h.
4941         (lang_specific_driver): Use cl_decoded_option structures.
4942         * doc/tm.texi.in (MATH_LIBRARY): Update documentation.
4943         * doc/tm.texi: Regenerate.
4944         * gcc.c (translate_options): Translate -d to -foutput-class-dir=.
4945         (driver_handle_option): Allow driver options needing no special
4946         processing.
4947         (process_command): Decode options before call to
4948         lang_specific_driver.  Pass decoded options to
4949         lang_specific_driver.
4950         * gcc.h (lang_specific_driver): Update prototype.
4951         * gccspec.c: Include opts.h.
4952         (lang_specific_driver): Use cl_decoded_option structures.
4953         * opts-common.c (option_ok_for_language, generate_option,
4954         generate_option_input_file): New.
4955         (decode_cmdline_option): Use option_ok_for_language.
4956         (decode_cmdline_options_to_array): Use generate_option_input_file.
4957         (handle_generated_option): Use generate_option.
4958         * opts.h (generate_option, generate_option_input_file): Declare.
4959
4960 2010-08-22  Anatoly Sokolov  <aesok@post.ru>
4961
4962         * config/mips/mips.c (mips_override_options): Rename to...
4963         (mips_option_override): ...this. Make static.
4964         (TARGET_OPTION_OVERRIDE): Define.
4965         (mips_in_small_data_p): Update comment.
4966         * config/mips/mips.h (OVERRIDE_OPTIONS): Remove.
4967         (FIXED_REGISTERS): Update comment.
4968         * config/mips/mips-protos.h (mips_override_options): Remove.
4969
4970 2010-08-21  Olivier Hainque  <hainque@adacore.com>
4971
4972         * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Define __PPC__.
4973
4974 2010-08-21  Olivier Hainque  <hainque@adacore.com>
4975
4976         * config/rs6000/vxworks.h (PREFERRED_STACK_BOUNDARY,
4977         ABI_STACK_BOUNDARY): Ensure STACK_BOUNDARY is honored despite EABI.
4978
4979 2010-08-20  Jan Hubicka  <jh@suse.cz>
4980
4981         * tree-pass.h (pass_ipa_cdtor_merge): New function.
4982         * cgraphunit.c (static_ctors, static_dtors): Move to ipa.c; make
4983         heap allocated.
4984         (record_cdtor_fn): Move to ipa.c; do not test for
4985         have_ctors_dtors.
4986         (build_cdtor): Move to ipa.c; add code avoiding construction
4987         when target have ctors/dtors and there is only one ctor/dtor at given
4988         priority.
4989         (compare_ctor, compare_dtor): Move to ipa.c; use DECL_UID to stabilize
4990         sort; reverse order of constructors.
4991         (cgraph_build_cdtor_fns): Move to ipa.c; rename to build_cdtor_fns.
4992         (cgraph_finalize_function): Do not call record_cdtor_fn.
4993         (cgraph_finalize_compilation_unit): Do not call cgraph_build_cdtor_fns.
4994         (cgraph_build_static_cdtor): Move to ipa.c.
4995         * ipa.c: Include target.h and tree-iterator.h.
4996         (cgraph_build_static_cdtor, static_ctors, static_dtors,
4997         record_cdtor_fn, build_cdtor, compare_ctor, compare_dtor,
4998         build_cdtor_fns, ipa_cdtor_merge, gate_ipa_cdtor_merge,
4999         pass_ipa_cdtor_merge): New.
5000         * passes.c (init_optimization_passes): Enqueue pass_ipa_cdtor_merge.
5001         * ipa-prop.c (update_indirect_edges_after_inlining): Avoid out of
5002         bounds access.
5003
5004 2010-08-20  Jan Hubicka  <jh@suse.cz>
5005
5006         PR c++/45307
5007         PR c++/17736
5008         * cgraph.h (cgraph_only_called_directly_p,
5009         cgraph_can_remove_if_no_direct_calls_and_refs_p): Handle
5010         static cdtors.
5011         * cgraphunit.c (cgraph_decide_is_function_needed): Static cdtors
5012         are not needed.
5013         (cgraph_finalize_function): Static cdtors are reachable.
5014         (cgraph_mark_functions_to_output): Use cgraph_only_called_directly_p.
5015
5016 2010-08-20  Jan Hubicka  <jh@suse.cz>
5017
5018         * lto-cgraph.c (lto_output_edge): Use gimple_has_body_p instead of
5019         flag_wpa.
5020         * lto-streamer-out.c (lto_output): Likewise.
5021         * passes.c (ipa_write_optimization_summaries): Initialize statement
5022         uids.
5023
5024 2010-08-20  Olivier Hainque  <hainque@adacore.com>
5025
5026         * tree.h (alias_diag_flags): New enum.
5027         (alias_pair): Add an 'emitted_diags' field.
5028         * varasm.c (finish_aliases_1): Honor and update p->emitted_diags.
5029         (assemble_alias): Initialize emitted_diags of new pairs.
5030
5031 2010-08-20  Eric Botcazou  <ebotcazou@adacore.com>
5032
5033         * config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
5034         * config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5035         * config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
5036         (STACK_CHECK_PROTECT): Define.
5037         * config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
5038         (output_probe_stack_range): Likewise.
5039         (rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
5040         builtin stack checking is enabled.
5041         * config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
5042         * config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
5043         (probe_stack_range): New insn.
5044
5045 2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>
5046
5047         PR target/45336
5048         * config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
5049         short first.
5050
5051         * config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
5052         char first.
5053
5054 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
5055
5056         PR target/45336
5057         * config/i386/sse.md (*sse4_1_pextrb): Add SWI48 mode iterator
5058         to cover zero extension into 64-bit register.
5059         (*sse2_pextrw): Likewise.
5060         (*sse4_1_pextrd_zext): New insn.
5061
5062 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
5063
5064         revert r163410, partially revert r163267.
5065         * config/rs6000/darwin.h (LIB_SPEC): Remove.
5066         * config/darwin.h (REAL_LIBGCC_SPEC): Link lgcc for all
5067         Darwin versions.
5068
5069 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
5070
5071         PR middle-end/44974
5072         * builtins.c (expand_builtin): Don't optimize away
5073         calls to DECL_LOOPING_CONST_OR_PURE_P builtins.
5074
5075 2010-08-20  Uros Bizjak  <ubizjak@gmail.com>
5076
5077         * config/i386/i386.md (ashift %rsp splitter): Remove splitter.
5078         (pro_epilogue_adjust_stack_di_2): Use "l" constraint for
5079         alternative 1 of operand 2.
5080
5081 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
5082             Paolo Bonzini  <bonzini@gnu.org>
5083
5084         * simplify-rtx.c (simplify_unary_operation_1): Optimize
5085         (sign_extend (zero_extend (...)) and
5086         ({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).
5087
5088 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
5089
5090         PR rtl-optimization/45353
5091         * sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
5092         after bb_note is a BARRIER.
5093
5094 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
5095
5096         * config/rs6000/darwin.h (LIB_SPEC): New. Provide saveFP/restFP by
5097         linking libgcc.a.
5098
5099 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
5100             Michael Matz  <matz@suse.de>
5101
5102         * tree-ssa-address.c (tree_mem_ref_addr): Convert offset to sizetype.
5103
5104 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
5105
5106         * ggc-common.c (ggc_mark_root_tab): New function, split out from...
5107         (ggc_mark_roots): ...here.
5108
5109 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
5110
5111         * vec.h (FOR_EACH_VEC_ELT): Define.
5112         * c-decl.c: Use it.
5113         * cfgloop.c: Likewise.
5114         * cfgloopmanip.c: Likewise.
5115         * cgraph.c: Likewise.
5116         * cgraphunit.c: Likewise.
5117         * combine.c: Likewise.
5118         * config/bfin/bfin.c: Likewise.
5119         * config/mips/mips.c: Likewise.
5120         * config/rs6000/rs6000.c: Likewise.
5121         * dbxout.c: Likewise.
5122         * df-scan.c: Likewise.
5123         * dominance.c: Likewise.
5124         * dse.c: Likewise.
5125         * dwarf2out.c: Likewise.
5126         * except.c: Likewise.
5127         * expr.c: Likewise.
5128         * function.c: Likewise.
5129         * gcse.c: Likewise.
5130         * genattr.c: Likewise.
5131         * ggc-common.c: Likewise.
5132         * gimplify.c: Likewise.
5133         * graphite-blocking.c: Likewise.
5134         * graphite-clast-to-gimple.c: Likewise.
5135         * graphite-dependences.c: Likewise.
5136         * graphite-interchange.c: Likewise.
5137         * graphite-poly.c: Likewise.
5138         * graphite-scop-detection.c: Likewise.
5139         * graphite-sese-to-poly.c: Likewise.
5140         * graphite.c: Likewise.
5141         * haifa-sched.c: Likewise.
5142         * ifcvt.c: Likewise.
5143         * implicit-zee.c: Likewise.
5144         * ipa-prop.c: Likewise.
5145         * ipa-struct-reorg.c: Likewise.
5146         * ipa.c: Likewise.
5147         * ira-build.c: Likewise.
5148         * ira-color.c: Likewise.
5149         * ira-emit.c: Likewise.
5150         * lambda-code.c: Likewise.
5151         * loop-invariant.c: Likewise.
5152         * loop-unroll.c: Likewise.
5153         * lower-subreg.c: Likewise.
5154         * lto-cgraph.c: Likewise.
5155         * lto-opts.c: Likewise.
5156         * lto-streamer-in.c: Likewise.
5157         * lto-streamer-out.c: Likewise.
5158         * lto-streamer.c: Likewise.
5159         * lto-symtab.c: Likewise.
5160         * matrix-reorg.c: Likewise.
5161         * opts.c: Likewise.
5162         * predict.c: Likewise.
5163         * print-tree.c: Likewise.
5164         * sdbout.c: Likewise.
5165         * sel-sched-dump.c: Likewise.
5166         * sel-sched-ir.c: Likewise.
5167         * sel-sched.c: Likewise.
5168         * sese.c: Likewise.
5169         * stor-layout.c: Likewise.
5170         * tree-cfg.c: Likewise.
5171         * tree-cfgcleanup.c: Likewise.
5172         * tree-chrec.c: Likewise.
5173         * tree-data-ref.c: Likewise.
5174         * tree-emutls.c: Likewise.
5175         * tree-inline.c: Likewise.
5176         * tree-into-ssa.c: Likewise.
5177         * tree-loop-distribution.c: Likewise.
5178         * tree-loop-linear.c: Likewise.
5179         * tree-mudflap.c: Likewise.
5180         * tree-outof-ssa.c: Likewise.
5181         * tree-parloops.c: Likewise.
5182         * tree-predcom.c: Likewise.
5183         * tree-pretty-print.c: Likewise.
5184         * tree-scalar-evolution.c: Likewise.
5185         * tree-ssa-live.c: Likewise.
5186         * tree-ssa-loop-im.c: Likewise.
5187         * tree-ssa-loop-ivcanon.c: Likewise.
5188         * tree-ssa-loop-ivopts.c: Likewise.
5189         * tree-ssa-loop-manip.c: Likewise.
5190         * tree-ssa-loop-niter.c: Likewise.
5191         * tree-ssa-loop-prefetch.c: Likewise.
5192         * tree-ssa-phiprop.c: Likewise.
5193         * tree-ssa-pre.c: Likewise.
5194         * tree-ssa-reassoc.c: Likewise.
5195         * tree-ssa-sccvn.c: Likewise.
5196         * tree-ssa-structalias.c: Likewise.
5197         * tree-ssa.c: Likewise.
5198         * tree-vect-data-refs.c: Likewise.
5199         * tree-vect-loop-manip.c: Likewise.
5200         * tree-vect-loop.c: Likewise.
5201         * tree-vect-patterns.c: Likewise.
5202         * tree-vect-slp.c: Likewise.
5203         * tree-vect-stmts.c: Likewise.
5204         * tree-vrp.c: Likewise.
5205         * tree.c: Likewise.
5206         * value-prof.c: Likewise.
5207         * var-tracking.c: Likewise.
5208         * varasm.c: Likewise.
5209         * vmsdbgout.c: Likewise.
5210
5211 2010-08-19  Nathan Sidwell  <nathan@codesourcery.com>
5212             Richard Guenther  <richard.guenther@gmail.com>
5213
5214         * gimplify.c (gimplify_modify_expr): When assigning to volatiles,
5215         copy the src value and return a copy.
5216         * doc/extend.texi (Volatiles): Move from C++ to C and expand.
5217         (C++ Volatiles): Adjust to describe C++ semantics only.
5218
5219 2010-08-20  Joseph Myers  <joseph@codesourcery.com>
5220
5221         * doc/tm.texi.in (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Document to
5222         be zero or nonzero.
5223         * doc/tm.texi: Regenerate.
5224         * defaults.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define.
5225         * df-scan.c (df_get_exit_block_use_set), reginfo.c
5226         (init_reg_sets_1), rtlanal.c (rtx_unstable_p, rtx_varies_p):
5227         Handle new PIC_OFFSET_TABLE_REG_CALL_CLOBBERED semantics.
5228         * config/ia64/ia64.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define
5229         to 1.
5230
5231 2010-08-20  Olivier Hainque  <hainque@adacore.com>
5232
5233         * config/sparc/sparc.c (sparc_asm_function_epilogue): Don't output
5234         an extra nop past a sibling call at the very end.
5235
5236 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
5237
5238         PR bootstrap/45350
5239         * combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
5240         a comment.
5241
5242 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
5243
5244         * target.def (function_arg, function_incoming_arg): Remove const
5245         qualifier on CUMULATIVE_ARGS parameter.
5246         * targhooks.h (default_function_arg, default_function_incoming_arg):
5247         Likewise.
5248         * targhooks.c (default_function_arg, default_function_incoming_arg):
5249         Likewise.
5250         * config/i386/i386.c (ix86_function_arg): Likewise.
5251
5252 2010-08-19  Jakub Jelinek  <jakub@redhat.com>
5253
5254         PR target/45336
5255         * simplify-rtx.c (simplify_unary_operation_1): Optimize nested
5256         SIGN_EXTENDs or ZERO_EXTENDs.
5257
5258 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
5259
5260         PR target/42172
5261         * combine.c (combine_validate_cost): New arg I0.  All callers changed.
5262         Take its cost into account if nonnull.
5263         (insn_a_feeds_b): New static function.
5264         (combine_instructions): Look for four-insn combinations.
5265         (can_combine_p): New args PRED2, SUCC2.  All callers changed.  Take
5266         them into account when computing all_adjacent and looking for other
5267         uses.
5268         (combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC.  All callers
5269         changed.  Treat them like I1DEST and I1_NOT_IN_SRC.
5270         (try_combine): New arg I0.  Handle four-insn combinations.
5271         (distribute_notes): New arg ELIM_I0.  All callers changed.  Treat it
5272         like ELIM_I1.
5273
5274 2010-08-19  Jason Merrill  <jason@redhat.com>
5275
5276         PR c++/45307
5277         * gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
5278         if ctor is empty.
5279         (gimplify_modify_expr_rhs): Adjust.
5280
5281 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
5282
5283         * cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to
5284         bitmap_bit_p.
5285         * config/bfin/bifn.c (bfin_discover_loop): Likewise.
5286         * dominance.c (iterate_fix_dominators): Likewise.
5287         * dse.c (set_usage_bits): Likewise.
5288         (set_position_unneeded, record_store): Likewise.
5289         * gimple-fold.c (get_maxval_strlen): Likewise.
5290         * haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise.
5291         * ipa-inline.c (update_caller_keys): Likewise.
5292         * ipa-split.c (verify_non_ssa_vars): Likewise.
5293         * ipa-type-escape.c (mark_type, close_type_seen): Likewise.
5294         (close_type_exposed_parameter, close_type_full_escape): Likewise.
5295         (close_addressof_down): Likewise.
5296         * ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise.
5297         (setup_allocno_left_conflicts_size): Likewise.
5298         (ira_reassign_conflict_allocnos): Likewise.
5299         (ira_reassign_pseudos): Likewise.
5300         * ira-emit.c (change_loop): Likewise.
5301         * loop-invariant.c (mark_regno_live, mark_regno_death): Likewise.
5302         * lto-streamer-out.c (write_symbol): Likewise.
5303         * predict.c (expr_expected_value_1): Likewise.
5304         * regstat.c (regstat_bb_compute_ri): Likewise.
5305         * sel-sched.c (create_block_for_bookkeeping): Likewise.
5306         (track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise.
5307         * stmt.c (expand_case): Likewise.
5308         * tree-eh.c (emit_eh_dispatch): Likewise.
5309         * tree-into-ssa.c (prune_unused_phi_nodes): Likewise.
5310         * tree-loop-distribution.c (make_nodes_having_upstream_mem_writes):
5311         Likewise.
5312         (rdg_flag_vertex, rdg_flag_loop_exits): Likewise.
5313         (rdg_build_components): Likewise.
5314         * tree-object-size.c (collect_object_sizes_for): Likewise.
5315         * tree-sra.c (convert_callers): Likewise.
5316         * tree-ssa-coalesce.c (live_track_add_partition): Likewise.
5317         * tree-ssa-live.c (mark_all_vars_used_1): Likewise.
5318         * tree-ssa-pre.c (bitmap_set_replace_value): Likewise.
5319
5320 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
5321
5322         * config/i386/i386.md (*lea_1): Use P mode iterator.
5323         (lea add splitter): Also handle DImode operands.
5324         (DImode lea add splitter): Use x86_64_immediate_operand for operand 2
5325         predicate.  Do not use ix86_lea_for_add_ok.
5326         (zext DImode lea add splitter): Use ix86_lea_for_add_ok.
5327         (lea ashift splitter): Also handle DImode operands.
5328         (DImode lea ashift splitter): Remove splitter.
5329
5330 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
5331
5332         * config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
5333         ix86_binary_operator_ok.
5334
5335 2010-08-19  Andrey Belevantsev  <abel@ispras.ru>
5336
5337         PR rtl-optimization/44691
5338         * sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
5339         is not a register.
5340
5341 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
5342
5343         PR target/45070
5344         * config/arm/arm.c (arm_output_epilogue): Ensure that return
5345          value of size 1-3 is handled correctly.
5346
5347 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
5348
5349         * tree-switch-conversion.c (gen_inbound_check): Ensure that the
5350         type for the conditional has wide enough range.
5351
5352 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
5353
5354         PR target/45327
5355         * config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
5356         ix86_binary_operator_ok.
5357
5358 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
5359
5360         * config/i386/i386.md (*add<mode>_1) <TYPE_LEA>: Split insn to lea.
5361         <default>:  Swap operands 1 and 2 for alternative 2 to use existing
5362         code to output insn mnemonic.  Fix comment.
5363         (*addsi_1_zext): Add r-r-0 alternative 1.
5364         <TYPE_LEA>: Split insn to lea.
5365         <default>: Handle alternative 1.
5366         (*addhi_1_lea): Add r-r-0 alternative 2.  Use cond RTX instead of
5367         multi-level if_then_else RTX to set "type" attribute.
5368         <default>: Handle alternative 2.
5369         (*addqi_1_lea): Add q-q-0 alternative 2 and r-r-0 alternative 4.
5370         Use cond RTX instead of multi-level if_then_else RTX to set
5371         "type" attribute.
5372         <default>: Handle alternatives 2 and 4.
5373         (lea splitters): Update calls to ix86_lea_for_add_ok.
5374
5375         * config/i386/i386.c (ix86_lea_for_add_ok): Remove unused "code"
5376         argument.
5377         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Update prototype.
5378
5379 2010-08-18  Richard Guenther  <rguenther@suse.de>
5380
5381         * tree-ssa-uninit.c (find_uninit_use): Disregard debug stmts,
5382         use operand helpers.
5383
5384 2010-08-18  Paolo Bonzini  <bonzini@gnu.org>
5385
5386         PR middle-end/45292
5387         * optabs.c (expand_bool_compare_and_swap): Expand pending
5388         pops before trying the optab.
5389
5390 2010-08-18  Yao Qi  <yao@codesourcery.com>
5391
5392         PR target/45094
5393         * config/arm/arm.c (output_move_double): Fix typo generating
5394         instructions ('ldr'->'str').
5395
5396 2010-08-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
5397
5398         PR rtl-optimization/42575
5399         * optabs.c (expand_doubleword_mult): Generate new pseudos to shorten
5400         live ranges.
5401
5402 2010-08-18  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5403
5404         * config/arm/arm-protos.h (arm_expand_sync): New.
5405         (arm_output_memory_barrier, arm_output_sync_insn): New.
5406         (arm_sync_loop_insns): New.
5407         * config/arm/arm.c (FL_ARCH7): New.
5408         (FL_FOR_ARCH7): Include FL_ARCH7.
5409         (arm_arch7): New.
5410         (arm_print_operand): Support %C markup.
5411         (arm_legitimize_sync_memory): New.
5412         (arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New.
5413         (arm_process_output_memory_barrier, arm_output_memory_barrier): New.
5414         (arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New.
5415         (arm_output_op2, arm_output_op3, arm_output_sync_loop): New.
5416         (arm_get_sync_operand, FETCH_SYNC_OPERAND): New.
5417         (arm_process_output_sync_insn, arm_output_sync_insn): New.
5418         (arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New.
5419         * config/arm/arm.h (struct arm_sync_generator): New.
5420         (TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New.
5421         (TARGET_HAVE_MEMORY_BARRIER): New.
5422         (TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New.
5423         * config/arm/arm.md: Include sync.md.
5424         (UNSPEC_MEMORY_BARRIER): New.
5425         (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New.
5426         (VUNSPEC_SYNC_OP):New.
5427         (VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New.
5428         (sync_result, sync_memory, sync_required_value): New attributes.
5429         (sync_new_value, sync_t1, sync_t2): Likewise.
5430         (sync_release_barrier, sync_op): Likewise.
5431         (length): Add logic to length attribute defintion to call
5432         arm_sync_loop_insns when appropriate.
5433         * config/arm/sync.md: New file.
5434
5435 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
5436
5437         * tree.h (host_integerp): Add ATTRIBUTE_PURE when not
5438         ENABLE_TREE_CHECKING.
5439         (tree_low_cst): Add inline version for !ENABLE_TREE_CHECKING
5440         and GCC >= 4.3.
5441
5442 2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5443
5444         * config/i386/i386.c (ix86_lea_for_add_ok): For !TARGET_OPT_AGU
5445         or optimizing for size, always avoid lea if possible.
5446
5447         * config/i386/i386.md (*add<mode>_1): Always avoid lea if possible.
5448
5449 2010-08-17  Iain Sandoe  <iains@gcc.gnu.org>
5450
5451         * unwind-dw2-fde-darwin.c (_darwin10_Unwind_FindEnclosingFunction):
5452         Dunmmy function with NULL return unless the target is
5453         OSX >= 10.6 (Darwin10).
5454
5455 2010-08-17  Jack Howarth  <howarth@bromo.med.uc.edu>
5456
5457         * gcc.c (spec_function): Add remove-outfile.
5458         (remove_outfile_spec_function): New function.
5459         * config/darwin.h (LINK_SPEC): Add removal of -ldl, -lm and -lpthread.
5460         * invoke.texi (replace-outfile): Document.
5461
5462 2010-08-17  Uros Bizjak  <ubizjak@gmail.com>
5463
5464         PR target/45296
5465         * reginfo.c (globalize_reg): Reject stack registers.
5466
5467 2010-08-17  Richard Guenther  <rguenther@suse.de>
5468
5469         * tree-ssa-dom.c (struct edge_info): Use a VEC for the
5470         list of conditional equivalences.
5471         (free_all_edge_infos): Adjust.
5472         (record_equivalences_from_incoming_edge): Likewise.
5473         (record_cond): Likewise.
5474         (build_and_record_new_cond): Likewise.
5475         (record_conditions): Likewise.
5476         (dom_opt_leave_block): Likewise.
5477
5478 2010-08-17  Kai Tietz  <kai.tietz@onevision.com>
5479
5480         * doc/invoke.texi (ms-extension): Add documentation.
5481
5482 2010-08-17  Richard Guenther  <rguenther@suse.de>
5483
5484         * fold-const.c (fold_comparison): Strip nops inside POINTER_PLUS_EXPR.
5485
5486 2010-08-17  Shujing Zhao  <pearly.zhao@oracle.com>
5487
5488         PR c/40563
5489         * c-decl.c (diagnose_uninitialized_cst_member): New function.
5490         (finish_decl): Use it to issue a -Wc++-compat warning about
5491         uninitialized const field in struct or union.
5492
5493         (finish_struct): Use strip_array_types.
5494
5495 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
5496
5497         * function.c (block_fragments_nreverse, blocks_nreverse_all): New
5498         functions.
5499         (reorder_blocks): Use blocks_nreverse_all instead of blocks_nreverse.
5500         (reorder_blocks_1): Assert BLOCK_FRAGMENT_ORIGIN is NULL.  Don't
5501         call block_nreverse here.
5502         (blocks_nreverse): Rename decl temporary to block.
5503
5504 2010-08-16  Bernd Schmidt  <bernds@codesourcery.com>
5505
5506         * config/arm/thumb2.md (thumb2_notsi_shiftsi,
5507         thumbsi_notsi_shiftsi_compare0, thumb2_not_shiftsi_compare0_scratch,
5508         thumb2_cmpsi_shiftsi, thumb2_cmpsi_shiftsi_swp, thumb2_arith_shiftsi,
5509         thumb2_arith_shiftsi splitter, thumb2_arith_shiftsi_compare0,
5510         thumb2_arith_shiftsi_compare0_scratch, thumb2_sub_shiftsi,
5511         thumb2_sub_shiftsi_compare0, thumb2_sub_shiftsi_compare0_scratch,
5512         thumb2_iorsi3): Delete.
5513         (orsi_notsi_si): No longer a named pattern.
5514         (orsi_not_shiftsi_si): Renamed from thumb_orsi_not_shiftsi_si.
5515         * config/arm/predicates.md (shift_amount_operand): New.
5516         (mult_operator): New.
5517         * config/arm/arm.md (attr arch, attr arch_enabled, attr insn_enabled,
5518         attr enabled): New.
5519         (iorsi3_insn): Renamed from arm_iorsi3.  Handle a new alternative if
5520         arch matches t2.
5521         (not_shiftsi): Renamed from arm_notsi_shiftsi.  Handle Thumb2 variant.
5522         (not_shiftsi_compare0): Likewise, renamed from
5523         arm_notsi_shiftsi_compare0.
5524         (not_shiftsi_compare0_scratch): Likweise, renamed from
5525         arm_notsi_shiftsi_compare0_scratch.
5526         (cmpsi_shiftsi): Likewise, renamed from arm_cmpsi_shiftsi.
5527         (cmpsi_shiftsi_swp): Likewise, renamed from arm_cmpsi_shiftsi_swp.
5528         (arith_shiftsi): Handle Thumb2 variant.  Set insn_enabled attribute
5529         so that the register alternative is disabled when the shift_operator
5530         is MULT.  Use "M" as the constraint for constants.
5531         (arith_shiftsi splitter): Enable for TARGET_32BIT.
5532         (arith_shiftsi_compare0): Handle Thumb2 variant.  Use "M" as the
5533         constraint for constants.
5534         (arith_shiftsi_compare0_scratch): Likewise.
5535         (sub_shiftsi, sub_shiftsi_compare0, sub_shiftsi_compare0_scratch):
5536         Handle Thumb2 alternative.
5537
5538 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
5539
5540         * doc/options.texi (NoDriverArg): Document.
5541         * gcc.c (cpp_unique_options): Generate -MD and -MMD instead of
5542         -MDX and -MMDX.
5543         * opt-functions.awk (switch_flags): Handle NoDriverArg.
5544         * opts-common.c (decode_cmdline_option): Ignore CL_SEPARATE
5545         marking for CL_NO_DRIVER_ARG options when in the driver.
5546         * opts.h (CL_NO_DRIVER_ARG): Define.
5547         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
5548         CL_COMMON): Update values.
5549
5550 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
5551
5552         * common.opt: Add driver options.
5553         (auxbase, auxbase-strip, quiet, version): Mark RejectDriver.
5554         * doc/options.texi (Driver, RejectDriver): Document.
5555         * gcc.c (pass_exit_codes, print_search_dirs, print_file_name,
5556         print_prog_name, print_multi_directory, print_sysroot,
5557         print_multi_os_directory, print_multi_lib,
5558         print_sysroot_headers_suffix, report_times, combine_flag,
5559         use_pipes, wrapper_string): Remove.
5560         (save_switch, driver_unknown_option_callback,
5561         driver_wrong_lang_callback, driver_post_handling_callback,
5562         driver_handle_option): New.
5563         (spec_lang, last_language_n_infiles): Make file-scope static
5564         instead of local to process_command.
5565         (process_command): Use decode_cmdline_options_to_array and
5566         read_cmdline_option for option processing.  Compute have_c in
5567         prescan of decoded options.
5568         * opt-functions.awk (switch_flags): Handle Driver and
5569         RejectDriver.
5570         (var_type, var_type_struct): Handle Separate options as generating
5571         const char * variables.
5572         * opts-common.c (decode_cmdline_option): Expect CL_COMMON and
5573         CL_TARGET to be passed by caller if required.
5574         (decode_cmdline_options_to_array): Update comment.
5575         * opts.c (complain_wrong_lang): Handle options only valid for the
5576         driver.
5577         (decode_options): Update call to decode_cmdline_options_to_array.
5578         (print_filtered_help): Ignore driver-only options.
5579         (print_specific_help): Ignore CL_DRIVER.
5580         (common_handle_option): Don't call print_specific_help for CL_DRIVER.
5581         * opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
5582         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
5583         Update values.
5584
5585 2010-08-16  Richard Guenther  <rguenther@suse.de>
5586
5587         * tree-cfg.c (verify_types_in_gimple_reference): Verify
5588         TARGET_MEM_REF a bit.
5589         * tree-ssa-address.c (addr_for_mem_ref): Adjust.
5590         (create_mem_ref_raw): Always create TMR_OFFSET, store the
5591         alias pointer type via it.
5592         (copy_mem_ref_info): Adjust.
5593         (maybe_fold_tmr): Likewise.
5594         * tree.c (mem_ref_offset): Also handle TARGET_MEM_REF.
5595         (reference_alias_ptr_type): Likewise.
5596         * tree.def (TARGET_MEM_REF): Remove TMR_ORIGINAL operand,
5597         adjust documentation of TMR_OFFSET operand.
5598         * alias.c (get_alias_set): Do not look at TMR_ORIGINAL but
5599         use the alias pointer type.
5600         * expr.c (expand_expr_real_1): Do not use TMR_ORIGINAL to
5601         initialize mem attrs but the TMR itself.
5602         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REF
5603         similar to MEM_REF.
5604         * tree-pretty-print.c (dump_generic_node): Do not dump TMR_ORIGINAL.
5605         * tree-ssa-loop-ivopts.c (idx_remove_ssa_names): Remove.
5606         (unshare_and_remove_ssa_names): Likewise.
5607         (copy_ref_info): Adjust.
5608         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Simplify
5609         TARGET_MEM_REF case.
5610         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Do not look
5611         at TMR_ORIGINAL.
5612         * tree.h (TMR_ORIGINAL): Remove.
5613         * gimple.c (get_base_address): For TARGET_MEM_REF with a
5614         symbol return that.
5615         * tree-dfa.c (get_ref_base_and_extent): Handle TARGET_MEM_REF
5616         with a symbol.
5617         (get_addr_base_and_unit_offset): Likewise.
5618         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Handle
5619         TARGET_MEM_REFs.
5620         (indirect_ref_may_alias_decl_p): Likewise.
5621         (refs_may_alias_p_1): Do not bail out for TARGET_MEM_REFs.
5622
5623 2010-08-15  Uros Bizjak  <ubizjak@gmail.com>
5624
5625         * doc/invoke.texi (-fomit-frame-pointer): Document that starting
5626         with GCC version 4.6, the default setting (when not optimizing
5627         for size) for 32-bit Linux x86 and 32-bit Darwin x86 targets has
5628         been changed to -fomit-frame-pointer.
5629
5630 2010-08-15  Iain Sandoe  <iains@gcc.gnu.org>
5631
5632         * config/darwin.h (REAL_LIBGCC_SPEC): Remove libgcc_s.10.5 stub for
5633         Darwin10.  Do not link libgcc.a for Darwin >= 9.
5634
5635 2010-08-15  Gerald Pfeifer  <gerald@pfeifer.com>
5636
5637         * doc/invoke.texi (Warning Options): Fix terminology and markup
5638         in the description of how unknown warning options are handled.
5639
5640 2010-08-15  Ira Rosen  <irar@il.ibm.com>
5641
5642         * tree-vect-data-refs.c (vect_setup_realignment): Support realignment
5643         in basic blocks.
5644         (vect_supportable_dr_alignment): Check alignment for basic blocks.
5645         * tree-vect-slp.c (vect_build_slp_tree): Allow different codes for
5646         data references.
5647         (vect_bb_vectorization_profitable_p): New function.
5648         (vect_slp_analyze_bb): Call vect_bb_vectorization_profitable_p() to
5649         check if it's worthwhile to vectorize the basic block.
5650
5651 2010-08-14  Anatoly Sokolov  <aesok@post.ru>
5652
5653         * reload.h (register_move_cost, memory_move_secondary_cost,
5654         secondary_reload_class): Adjust prototype.
5655         * rtl.h (reg_class_subset_p): Adjust prototype.
5656         * reload.c (secondary_reload_class): Change arguments type from
5657         enum reg_class to reg_class_t. Change result type to reg_class_t.
5658         * reginfo.c (register_move_cost, reg_class_subset_p): Change
5659         arguments type from enum reg_class to reg_class_t.
5660         (memory_move_secondary_cost): Change arguments type from
5661         enum reg_class to reg_class_t. Change type of saved_flags to
5662         reg_class_t.
5663
5664         * config/mips/mips.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
5665         Remove macros.
5666         (mips_cost): Remove.
5667         (struct mips_rtx_cost_data): Moved to mips.c.
5668         * config/mips/mips-protos.h (mips_register_move_cost): Remove.
5669         * config/mips/mips.c (struct mips_rtx_cost_data): Moved from mips.h.
5670         (mips_cost): Make static.
5671         (mips_canonicalize_move_class): Change argument type to reg_class_t.
5672         Change result type to reg_class_t.
5673         (mips_move_to_gpr_cost, mips_move_from_gpr_cost): Change arguments
5674         type from enum reg_class to reg_class_t.
5675         (mips_register_move_cost): Make static. Change arguments
5676         type from enum reg_class to reg_class_t.
5677         (mips_memory_move_cost): New function.
5678         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
5679
5680 2010-08-14  Richard Sandiford  <rdsandiford@googlemail.com>
5681
5682         PR rtl-optimization/43358
5683         * ira-lives.c (process_single_reg_class_operands): Adjust the costs
5684         of a single hard register, using simplify_subreg_regno to decide
5685         what that register should be.
5686
5687 2010-08-14  Mingjie Xing  <mingjie.xing@gmail.com>
5688
5689         * config/mips/mips.c (CODE_FOR_loongson_pmullh): Define.
5690         * config/mips/loongson.md (UNSPEC_LOONGSON_PMULL): Delete.
5691         (loongson_pmull<V_suffix>): Rename to...
5692         (mul<mode>3): ...this and use MULT instead of an UNSPEC.
5693
5694 2010-08-13  Jack Howarth  <howarth@bromo.med.uc.edu>
5695
5696         * configure.ac: Enable -fomit-frame-pointer on darwin
5697         which support dwarf2.
5698         * config/i386/i386.c (override_options): Same.
5699
5700 2010-08-13  Jie Zhang  <jie@codesourcery.com>
5701
5702         * config/arm/arm.md (cstoredf4): Only valid when !TARGET_VFP_SINGLE.
5703
5704 2010-08-12  Joseph Myers  <joseph@codesourcery.com>
5705
5706         * gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and
5707         -MMD.
5708
5709 2010-08-12  Changpeng Fang  <changpeng.fang@amd.com>
5710
5711         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
5712         up dot_prod pattern searching if a stmt is outside the loop.
5713
5714 2010-08-12  H.J. Lu  <hongjiu.lu@intel.com>
5715             Uros Bizjak  <ubizjak@gmail.com>
5716
5717         * config.gcc: Handle --enable-frame-pointer.
5718
5719         * configure.ac: Add --enable-frame-pointer.
5720         * configure: Regenerated.
5721
5722         * config/i386/i386.c (USE_IX86_FRAME_POINTER): Default to 0.
5723         (override_options): If not configured with --enable-frame-pointer,
5724         enable -fomit-frame-pointer (but not for TARGET_MACHO or when
5725         optimizing for size), -fasynchronous-unwind-tables and
5726         -maccumulate-outgoing-args by default.
5727
5728 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
5729
5730         * builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.
5731
5732         PR middle-end/45262
5733         * fold-const.c (make_range) <case NEGATE_EXPR>: Punt if
5734         -a overflows.  Normalize the range.
5735
5736 2010-08-12  Richard Guenther  <rguenther@suse.de>
5737
5738         PR tree-optimization/45232
5739         * tree-ssa-reassoc.c (can_reassociate_p): Disable re-association
5740         for types with undefined overflow.
5741         (reassociate_bb): Allow re-associating of bit and min/max
5742         operations for types with undefined overflow.
5743         * tree-ssa-forwprop.c (associate_plusminus): New function.
5744         (tree_ssa_forward_propagate_single_use_vars): Call it.
5745
5746 2010-08-12  Richard Guenther  <rguenther@suse.de>
5747
5748         * tree-flow.h (struct ptr_info_def): Add align and misalign fields.
5749         * tree-ssa-alias.c (get_ptr_info): Move ...
5750         * tree-ssanames.c (get_ptr_info): ... here.  Initialize
5751         align and misalign fields conservatively.
5752         * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers
5753         derive alignment information.
5754         (evaluate_stmt): Derive alignment information from memory
5755         allocation functions.
5756         * tree.h (get_pointer_alignment): Make unsigned.
5757         * builtins.c (get_object_alignment): Use alignment information we
5758         have computed for pointers.
5759         (get_pointer_alignment): Likewise.  Make conservative, return
5760         and unsigned value.
5761         (expand_builtin_strlen): Adjust.
5762         (expand_builtin_memcmp): Likewise.
5763         (expand_builtin_strcmp): Likewise.
5764         (expand_builtin_strncmp): Likewise.
5765         (get_builtin_sync_mem): Use at least mode alignment.
5766         (fold_builtin_memset): Adjust.
5767         (fold_builtin_memory_op): Likewise.
5768         * gimple-pretty-print.c (dump_gimple_phi): Alongside alias
5769         information also dump pointer alignment knowledge.
5770         (dump_gimple_stmt): Likewise.
5771
5772 2010-08-12  Uros Bizjak  <ubizjak@gmail.com>
5773
5774         * config/i386/i386.c (LONG_TYPE_SIZE): Remove.
5775         (EMPTY_FIELD_BOUNDARY): Remove.
5776         * config/i386/i386-interix.h (PCC_BITFIELD_TYPE_MATTERS): Remove.
5777
5778 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
5779
5780         PR debug/45259
5781         * caller-save.c (save_call_clobbered_regs): Only swap notes with
5782         DEBUG_INSNs if n_regs_saved.
5783
5784 2010-08-12  Wei Guozhi  <carrot@google.com>
5785
5786         PR target/44999
5787         * config/arm/arm.md (andsi3): Change to zero extension if possible.
5788         * config/arm/thumb2.md (thumb2_zero_extendqisi2_v6): Change the name.
5789
5790 2010-08-11  Vladimir Makarov  <vmakarov@redhat.com>
5791
5792         * ira-int.h (ira_remove_allocno_copy_from_list): Remove.
5793
5794         * ira-build.c (ira_remove_allocno_copy_from_list): Remove.
5795
5796 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5797
5798         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
5799         the case removed in the previous patch, when the only phi argument
5800         is defined in the same loop as the phi node itself.  Handle it
5801         separately from the invariant case by both propagating it outside
5802         the region and replacing the phi node with an assign.
5803
5804 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5805
5806         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
5807         constant phi nodes with one argument are is_gimple_min_invariant
5808         and SSA_NAME_IS_DEFAULT_DEF.
5809
5810 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5811
5812         * graphite-cloog-util.c (oppose_constraint):
5813         Extend loop counter's value range (CLOOG_ORG).
5814         (cloog_matrix_to_ppl_constraint): Same.
5815         (new_Constraint_System_from_Cloog_matrix): Same.
5816         * graphite-cloog-compat.h (matrix_num_type): New.
5817
5818 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5819
5820         * graphite.c (graphite_initialize): Do not initialize
5821         CLooG and initialize the Parma Polyhedra Library
5822         manually when using CLOOG_ORG.
5823         (graphite_finalize): Do not finalize CLooG and finalize
5824         the Parma Polyhedra Library manually when using CLOOG_ORG.
5825         * graphite-cloog-compat.h (cloog_initialize): Hide function
5826         when using CLOOG_ORG.
5827         (cloog_finalize): Same.
5828
5829 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5830
5831         * graphite-clast-to-gimple.c (free_scattering): Change
5832         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
5833         (CLOOG_ORG).
5834         (build_cloog_prog): Same.
5835         * graphite-cloog-compat.h (cloog_domain): Removed.
5836         (cloog_scattering): New.
5837         (cloog_set_domain): Removed.
5838         (cloog_set_scattering): New.
5839         (cloog_next_domain): Removed.
5840         (cloog_next_scattering): New.
5841         (cloog_set_next_domain): Removed.
5842         (cloog_set_next_scattering): New.
5843         (CloogScatteringList): New.
5844         (CloogScattering): New.
5845         (cloog_scattering_free): New.
5846         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
5847         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
5848         New.
5849
5850 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5851
5852         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
5853         CloogState.
5854         (set_cloog_options): Same.
5855         (print_clast_stmt): Same.
5856         (scop_to_clast): Same.
5857         (print_generated_program): Same.
5858         (gloog): Same.
5859         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
5860         (scop_to_clast): Extend with CloogState.
5861         * graphite-cloog-util.c: Include graphite-cloog-compat.h
5862         (new_Cloog_Domain_from_ppl_Polyhedron):
5863         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
5864         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
5865         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
5866         * graphite-cloog-util.h (build_cloog_prog): Same.
5867         * graphite-cloog-copat.h (build_cloog_prog): New.
5868         (CloogState): New.
5869         (cloog_state_malloc): New.
5870         (cloog_state_free): New.
5871         (cloog_loop_malloc): New.
5872         (cloog_options_malloc): New.
5873         (cloog_statement_alloc): New.
5874         (cloog_domain_from_cloog_matrix): New.
5875         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
5876         (new_Cloog_Domain_from_ppl_Polyhedron): New.
5877
5878 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5879
5880         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
5881         type of NAME now depends on used CLooG version.
5882         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
5883         (gcc_type_for_clast_expr): Same.
5884         (print_clast_stmt): Replace pprint with clast_pprint.
5885         * graphite-cloog-compat.h: Provide compatibility macros for
5886         CLooG Legacy.
5887         (clast_name_p): New.
5888         (clast_expr_term): New.
5889         (clast_expr_red): New.
5890         (clast_expr_bin): New.
5891         (clast_pprint): New.
5892
5893 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5894
5895         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
5896         compatible to newer CLooG releases (CLOOG_ORG).
5897         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
5898         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
5899         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
5900         (build_cloog_prog) : New.
5901         (cloog_program_extract_scalars): New.
5902         (cloog_program_scatter): New.
5903
5904 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
5905
5906         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
5907         conditionally (CLOOG_ORG).
5908         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
5909         (cloog_statement_usr): New.
5910         (cloog_domain): Same.
5911         (cloog_set_domain): Same.
5912         (cloog_next_domain): Same.
5913         (cloog_set_next_domain): Same.
5914         (cloog_program_nb_scattdims): Same.
5915         (cloog_program_set_nb_scattdims): Same.
5916         (cloog_program_names): Same.
5917         (cloog_program_set_names): Same.
5918         (cloog_program_set_context): Same.
5919         (cloog_program_set_loop): Same.
5920         (cloog_program_blocklist): Same.
5921         (cloog_program_set_blocklist): Same.
5922         (cloog_program_scaldims): Same.
5923         (cloog_program_set_scaldims): Same.
5924         (cloog_names_nb_parameters): Same.
5925         (cloog_names_set_nb_parameters): Same.
5926         (cloog_names_parameters): Same.
5927         (cloog_names_set_parameters): Same.
5928         (cloog_names_set_nb_iterators): Same.
5929         (cloog_names_set_iterators): Same.
5930         (cloog_names_set_nb_scattering): Same.
5931         (cloog_names_set_scattering): Same.
5932         (cloog_statement_set_usr): Same.
5933         (cloog_loop_set_next): Same.
5934         (cloog_loop_set_domain): Same.
5935         (cloog_loop_set_block): Same.
5936         (cloog_block_list_next): Same.
5937         (cloog_block_list_set_next):
5938         (cloog_block_list_set_block): Same.
5939
5940 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5941
5942         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
5943         a bool.
5944         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
5945         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
5946         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
5947         when something has been changed.
5948         (rewrite_commutative_reductions_out_of_ssa): Same.
5949
5950 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5951
5952         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
5953         handle the case when def is in the sese region.
5954         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
5955         for invariant expressions.
5956         (rewrite_cross_bb_phi_deps): Removed.
5957         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
5958         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
5959         rewrite_cross_bb_phi_deps.
5960
5961 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5962
5963         * graphite-sese-to-poly.c
5964         (rewrite_commutative_reductions_out_of_ssa_loop): Call
5965         scev_analyzable_p only on is_gimple_reg
5966
5967 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5968
5969         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
5970         (rewrite_close_phi_out_of_ssa): Propagate constant values or
5971         parametric expressions outside the scop region.
5972         (rewrite_cross_bb_scalar_deps): Same.
5973         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
5974
5975 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5976
5977         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
5978         SSA_NAME_DEF_STMT only on SSA_NAMEs.
5979
5980 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5981
5982         * tree-scalar-evolution.c (instantiate_scev_name): Do not
5983         instantiate default definitions.
5984
5985 2010-08-11  Vladimir Kargov  <kargov@gmail.com>
5986             Sebastian Pop  <sebastian.pop@amd.com>
5987
5988         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
5989         (loop_exits_from_bb_p): New.
5990         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
5991         (loop_exits_from_bb_p): Declared.
5992         * graphite-scop-detection.c (scopdet_basic_block_info): Call
5993         loop_exits_to_bb_p.
5994
5995 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
5996
5997         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
5998         extra parameter for the region.  Call scev_analyzable_p.
5999         (rewrite_reductions_out_of_ssa): Update call to
6000         rewrite_close_phi_out_of_ssa.
6001         (rewrite_cross_bb_phi_deps): Same.
6002         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
6003         parameter for the region.  Call scev_analyzable_p.
6004         (rewrite_commutative_reductions_out_of_ssa): Update call to
6005         rewrite_commutative_reductions_out_of_ssa_loop.
6006
6007 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6008
6009         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
6010
6011 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6012
6013         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
6014         SSA scalar phi nodes that can be scev_analyzable_p.
6015
6016 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6017
6018         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
6019         handle SSA_NAME_IS_DEFAULT_DEF.
6020
6021 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6022
6023         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
6024
6025 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6026
6027         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
6028         case non close-phi nodes with one argument.
6029
6030 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6031
6032         * sese.h (scev_analyzable_p): Scevs could be expressions without
6033         chrecs and still be scev_analyzable_p.
6034
6035 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6036
6037         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
6038
6039 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6040
6041         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
6042         * cfgloop.h (struct loop): Remove single_iv field.
6043         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
6044         (scop_canonicalize_loops): Removed.
6045         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
6046         over all the loop phi nodes in loop->header.
6047         (build_poly_scop): Remove use of scop_canonicalize_loops.
6048
6049 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6050
6051         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
6052         handle GIMPLE_CALL.
6053
6054 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6055
6056         * tree-chrec.c (chrec_apply): Should only apply to the specified
6057         variable.  Also handle multivariate chains of recurrences that
6058         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
6059
6060 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6061
6062         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
6063         (debug_clast_name_indexes_1): Removed.
6064         (debug_clast_name_indexes): Removed.
6065         (pbb_to_depth_to_oldiv): Removed.
6066         (build_iv_mapping): Replace the use of rename_map with iv_map.
6067         (translate_clast_user): Remove uses of rename_map.  Allocate and
6068         free iv_map.
6069         (translate_clast_for_loop): Remove uses of rename_map.
6070         (translate_clast_for): Same.
6071         (translate_clast_guard): Same.
6072         (translate_clast): Same.
6073         (gloog): Same.
6074         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
6075         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
6076         * sese.c (set_rename): Now static.
6077         (rename_variables_in_stmt): Removed.
6078         (rename_uses): New.
6079         (is_parameter): Removed.
6080         (is_iv): Removed.
6081         (expand_scalar_variables_call): Removed.
6082         (expand_scalar_variables_ssa_name): Removed.
6083         (expand_scalar_variables_expr): Removed.
6084         (expand_scalar_variables_stmt): Removed.
6085         (expand_scalar_variables): Removed.
6086         (rename_variables): Removed.
6087         (remove_condition): Removed.
6088         (get_true_edge_from_guard_bb): Removed.
6089         (get_false_edge_from_guard_bb): Removed.
6090         (struct igp): Removed.
6091         (default_before_guard): Removed.
6092         (convert_for_phi_arg): Removed.
6093         (add_guard_exit_phis): Removed.
6094         (insert_guard_phis): Removed.
6095         (graphite_copy_stmts_from_block): Now also uses iv_map and a
6096         region.  Do not copy conditions.  Do not copy induction variables.
6097         Call rename_uses.
6098         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
6099         the translated statement.  Use the iv_map for the induction
6100         variable renaming.
6101         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
6102         (set_rename): Removed declaration.
6103         (scev_analyzable_p): ...here.
6104         * tree-chrec.c (chrec_apply_map): New.
6105         * tree-chrec.h (chrec_apply_map): Declared.
6106
6107 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6108
6109         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
6110         insert_loop_close_phis.
6111         * sese.c (name_defined_in_loop_p): Removed.
6112         (expr_defined_in_loop_p): Removed.
6113         (alive_after_loop): Removed.
6114         (close_phi_not_yet_inserted_p): Removed.
6115         (struct alep): Removed.
6116         (add_loop_exit_phis): Removed.
6117         (insert_loop_close_phis): Removed.
6118
6119 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
6120
6121         * graphite-cloog-util.c
6122         (cloog_matrix_to_ppl_constraint): Fix flipped condition.
6123         * graphite-poly.c
6124         (psct_scattering_dim_for_loop_depth): Same.
6125
6126 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
6127
6128         * graphite-cloog-util.h: Added cloog.h.
6129         * graphite-blocking.c: Removed cloog.h.
6130         * graphite-dependences.c: Same.
6131         * graphite-interchange.c: Same.
6132         * graphite-poly.c: Same.
6133         * graphite-ppl.c: Same.
6134         * graphite-scop-detection.c: Same.
6135         * graphite-sese-to-poly.c:
6136         Removed cloog.h.
6137         Removed graphite-clast-to-gimple.h.
6138         (check_poly_representation): Removed (unused).
6139         * graphite-sese-to-poly.h
6140         (check_poly_representation): Removed (unused).
6141
6142 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
6143
6144         * Makefile.in (OBJS-common): Added graphite-cloog-util.o.
6145         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
6146         (graphite-cloog-util.o): New.
6147         (graphite-ppl.o): Added graphite-cloog-util.h.
6148         * graphite-clast-to-gimple.c:
6149         Added graphite-cloog-util.h to include statements.
6150         * graphite-cloog-util.c: New.
6151         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
6152         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
6153         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
6154         (new_C_Polyhedron_from_Cloog_Matrix): Same.
6155         (insert_constraint_into_matrix): Same.
6156         (ppl_Constrain_System_number_of_constraints): Same.
6157         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
6158         (oppose_constraint): Same.
6159         (cloog_matrix_to_ppl_constraint): Same.
6160         (new_Constraint_System_from_Cloog_Matrix): Same.
6161         * graphite-cloog-util.h: New.
6162         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
6163         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
6164         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
6165         (new_C_Polyhedron_from_Cloog_Matrix): Same.
6166         (insert_constraint_into_matrix): Same.
6167         * graphite-ppl.c:
6168         Added graphite-cloog-util.h to include statements.
6169         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
6170         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
6171         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
6172         (new_C_Polyhedron_from_Cloog_Matrix): Same.
6173         (insert_constraint_into_matrix): Same.
6174         (ppl_Constrain_System_number_of_constraints): Same.
6175         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
6176         (oppose_constraint): Same.
6177         (cloog_matrix_to_ppl_constraint): Same.
6178         (new_Constraint_System_from_Cloog_Matrix): Same.
6179         * graphite-ppl.h:
6180         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
6181         graphite-cloog-util.h.
6182         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
6183         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
6184         (new_C_Polyhedron_from_Cloog_Matrix): Same.
6185         (insert_constraint_into_matrix): Same.
6186
6187 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
6188
6189         * graphite-clast-to-gimple.c
6190         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
6191         (precision_for_interval): Same.
6192         (gcc_type_for_interval): Same.
6193         (compute_type_for_level): Same.
6194         * graphite-interchange.c
6195         (lst_interchange_profitable_p): Same.
6196         * graphite-poly.c
6197         (psct_scattering_dim_for_loop_depth): Same.
6198         * graphite-ppl.c
6199         (ppl_max_for_le_pointset): Same.
6200         (ppl_min_for_le_pointset): Same.
6201
6202 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6203
6204         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
6205         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
6206
6207 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6208
6209         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
6210         rewrite_close_phi_out_of_ssa.
6211
6212 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6213
6214         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
6215
6216 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6217
6218         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
6219         rename_map.
6220         * sese.c (debug_rename_map): Same.
6221         (get_rename): Same.
6222         (set_rename): Same.
6223         (rename_variables_in_stmt): Same.
6224         (expand_scalar_variables_call): Same.
6225         (expand_scalar_variables_ssa_name): Same.
6226         (expand_scalar_variables_expr): Same.
6227         (expand_scalar_variables_stmt): Same.
6228         (expand_scalar_variables): Same.
6229         (rename_variables): Same.
6230         (graphite_copy_stmts_from_block): Same.
6231         (copy_bb_and_scalar_dependences): Same.
6232
6233 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6234
6235         * graphite-clast-to-gimple.c (copy_renames): Removed.
6236         (translate_clast_for): Do not call copy_renames.
6237         (translate_clast_guard): Same.
6238
6239 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6240
6241         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
6242         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
6243         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
6244         before rewrite_cross_bb_scalar_deps.
6245
6246 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6247
6248         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
6249         Early return in when flag_associative_math is not set.
6250
6251 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6252
6253         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
6254         of SSA copies on edges except for loop->latch.
6255
6256 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6257
6258         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
6259         Split out of rewrite_reductions_out_of_ssa.
6260         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
6261         Declared.
6262         * graphite.c (graphite_transform_loops): Call it.
6263
6264 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6265
6266         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
6267
6268 2010-08-11  Alexander Monakov  <amonakov@ispras.ru>
6269
6270         * dbgcnt.def (graphite_scop): New counter.
6271         * graphite.c: Include dbgcnt.h.
6272         (graphite_transform_loops): Use new counter to limit transformations.
6273         * Makefile.in (graphite.o): Depend on DBGCNT_H.
6274
6275 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6276
6277         * passes.c (init_optimization_passes): Add pass_graphite.
6278         Schedule a pass_copy_prop before pass_graphite_transforms.
6279         * timevar.def (TV_GRAPHITE): Declared.
6280         * tree-pass.h (pass_graphite): Declared.
6281         * tree-ssa-loop.c (pass_graphite): New.
6282
6283 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6284
6285         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
6286         Remove calls to rename_nb_iterations and rename_sese_parameters.
6287         * graphite-clast-to-gimple.h (gloog): Update declaration.
6288         * graphite.c (graphite_transform_loops): Update call to gloog.
6289         * sese.c (rename_variables_in_expr): Removed.
6290         (rename_nb_iterations): Removed.
6291         (rename_sese_parameters): Removed.
6292         * sese.h (rename_nb_iterations): Removed.
6293         (rename_sese_parameters): Removed.
6294
6295 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6296
6297         * graphite-clast-to-gimple.c (gloog): Remove call to
6298         sese_adjust_liveout_phis.
6299         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
6300         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
6301         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
6302         rewrite_phi_out_of_ssa.
6303         * sese.c (get_vdef_before_sese): Removed.
6304         (sese_adjust_vphi): Removed.
6305         (sese_adjust_liveout_phis): Removed.
6306         * sese.h (sese_adjust_liveout_phis): Removed.
6307
6308 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6309
6310         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
6311         argument for the place after which to insert the out of SSA copy.
6312         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
6313         (rewrite_phi_out_of_ssa): Same.
6314         (rewrite_cross_bb_scalar_deps): Same.
6315         (insert_copyout): Removed.
6316         (insert_copyin): Removed.
6317         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
6318         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
6319         insert_copyin.
6320
6321 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6322
6323         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
6324         (rewrite_reductions_out_of_ssa): Same.
6325         (rewrite_commutative_reductions_out_of_ssa): Same.
6326         (build_poly_scop): Do not call these functions.
6327         * graphite-sese-to-poly.h (build_poly_scop): Declared.
6328         (rewrite_reductions_out_of_ssa): Declared.
6329         (rewrite_commutative_reductions_out_of_ssa): Declared.
6330         * graphite.c (graphite_transform_loops): Call on every scop
6331         rewrite_commutative_reductions_out_of_ssa before calling
6332         rewrite_reductions_out_of_ssa and build_scop_bbs.
6333
6334 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6335
6336         * graphite-dependences.c (dot_deps): Make system call to dotty run
6337         in background.
6338         (dot_deps_stmt): Same.
6339         * graphite-poly.c (dot_lst): Same.
6340
6341 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
6342
6343         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
6344         phi_arg_in_outermost_loop.
6345         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
6346         (remove_invariant_phi): Same.
6347
6348 2010-08-11  Anatoly Sokolov  <aesok@post.ru>
6349
6350         * target.def (output_addr_const_extra): New hook.
6351         * doc/tm.texi.in (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Document.
6352         * doc/tm.texi: Regenerate.
6353         * targhooks.c (default_asm_output_addr_const_extra): New function.
6354         * targhooks.h (default_asm_output_addr_const_extra): Declare.
6355         * final.c (output_addr_const): Use TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA
6356         target hook.
6357
6358         * config/i386/i386.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
6359         * config/i386/i386-protos.h (output_addr_const_extra): Remove.
6360         * config/i386/i386.h (output_addr_const_extra): Rename to...
6361         (i386_asm_output_addr_const_extra): ...this. Make static.
6362         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
6363
6364 2010-08-11  Richard Henderson  <rth@redhat.com>
6365
6366         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): New.
6367
6368 2010-08-11  Nick Clifton  <nickc@redhat.com>
6369
6370         * config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
6371         * config/stormy16/stormy16-lib2-cmpsi2.c: New file.
6372         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
6373         stormy16-lib2-cmpsi.c.
6374
6375         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
6376         -O2.
6377
6378 2010-08-11  Joseph Myers  <joseph@codesourcery.com>
6379
6380         * opts.h (struct cl_option_handler_func): Make handler take
6381         cl_decoded_option structure as parameter, not individual elements.
6382         (struct cl_option_handlers): Make callbacks take cl_decoded_option
6383         structure as parameter, not individual elements.
6384         (handle_option): Take cl_decoded_option structure as parameter,
6385         not individual elements.
6386         (handle_generated_option): Declare.
6387         * opts-common.c (handle_option): Take cl_decoded_option structure
6388         as parameter, not individual elements.  Update calls to callback
6389         and handler functions.
6390         (handle_generated_option): New.
6391         (read_cmdline_option): Update calls to callback functions and
6392         handle_option.
6393         * opts.c (common_handle_option, complain_wrong_lang,
6394         unknown_option_callback, post_handling_callback,
6395         lang_handle_option, target_handle_option): Take cl_decoded_option
6396         structure as parameter, not individual elements.
6397         (lang_handle_option, target_handle_option, common_handle_option):
6398         Assert option has at most one argument.
6399         (enable_warning_as_error): Call handle_generated_option instead of
6400         handle_option.  Do not pass -Werror argument as argument of
6401         generated option.
6402
6403 2010-08-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6404
6405         * config/pa/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
6406         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
6407         (SUBWORD_BOOL_CAS): Likewise.
6408         (SUBWORD_SYNC_OP): Likewise.
6409         (SUBWORD_TEST_AND_SET): Likewise.
6410         (FETCH_AND_OP_WORD): Parenthesise INF_OP
6411         (SUBWORD_SYNC_OP): Likewise.
6412         (OP_AND_FETCH_WORD): Likewise.
6413
6414 2010-08-10  Xinliang David Li  <davidxl@google.com>
6415
6416         * tree-ssa-loop-ivopts.c (get_address_cost): Properly
6417         compute max/min offset in address.
6418
6419 2010-08-10  Vladimir Makarov  <vmakarov@redhat.com>
6420
6421         * ira-live.c: Include sbitmap.h.
6422         (remove_some_program_points_and_update_live_ranges): Use sbitmaps.
6423         Compress live ranges even more.
6424
6425 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
6426
6427         * coverage.c (ctr_labels): Delete.
6428
6429 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
6430
6431         PR bootstrap/45177
6432         * config/arm/arm.c (multiple_operation_profitable_p): Move xscale
6433         test here from arm_gen_load_multiple_1.
6434         (arm_gen_load_multiple_1, arm_gen_store_multiple_1): Use
6435         multiple_operation_profitable_p.
6436
6437 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
6438
6439         * tree-ssa-pre.c (init_pre): Call alloc_aux_for_blocks.
6440         (fini_pre): Call free_aux_for_blocks.  Delete unused bb variable.
6441
6442 2010-08-10  Richard Henderson  <rth@redhat.com>
6443
6444         * config/i386/i386.c (ix86_compute_frame_layout): Re-align stack
6445         after saving registers.  Assert that SSE registers are only saved
6446         with a sufficiently aligned frame.
6447         (ix86_emit_save_reg_using_mov): Assert realigned only with DRAP;
6448         remove stack_realign_fp handling.
6449         (ix86_expand_prologue): Save int registers before stack_realign_fp,
6450         and do not mark the stack alignment as frame related.
6451         (ix86_expand_epilogue): SP is now invalid with stack_realign_fp.
6452
6453         * dwarf2out.c (dwarf2out_frame_debug_expr): Flush queued register
6454         saves when re-aligning the stack.
6455
6456 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
6457
6458         * basic-block.h (alloc_aux_for_block, alloc_aux_for_edge): Delete.
6459         * cfg.c (alloc_aux_for_block, alloc_aux_for_edge): Make static.
6460         (alloc_aux_for_blocks, clear_aux_for_blocks): Use FOR_ALL_BB.
6461
6462 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
6463
6464         * dwarf2out.c (struct die_struct): Move die_tag to the end.
6465
6466 2010-08-09  Sofiane Naci  <sofiane.naci@arm.com>
6467
6468         * config/arm/iterators.md: New file.
6469         * config/arm/arm.md: Include iterators.md.
6470         (QHSI): Move to new file.
6471         (LTUGEU, cnb, optab, ior_xor): Likewise.
6472         * config/arm/iwmmxt.md (VMMX): Move to new file.
6473         (VSHFT, MMX_char): Likewise.
6474         * config/arm/neon.md (VD): Move to new file.
6475         (VDX, VDI, VQ, VQX, VQI, VQXMOV, VSTRUCT, VTAB, V_TAB_n, VW): Likewise.
6476         (VN, VDQ, VDQW, VDQIW, VCVTF, VCVTI, VMD, VMQ, VMDQ, VMDI): Likewise.
6477         (VMDQI, VX, VE, V64, V32, V_CVTTO, V_elem, V_ext): Likewise.
6478         (V_two_elem, V_three_elem, V_four_elem, V_req, V_widen): Likewise.
6479         (V_narrow, V_HALF, V_half,V_DOUBLE, V_double): Likewise.
6480         (V_double_width, V_cmp_result, V_if_elem, V_s_elem): Likewise.
6481         (V_u_elem, V_uf_sclr, V_sz_elem, VD_dup): Likewise.
6482         (V_PAIR, vqh_ops, vqhs_ops, VQH_mnem, VQH_sign, V_suf64): Likewise.
6483         (scalar_mul_constraint,Is_float_mode, Scalar_mul_8_16): Likewise.
6484         (Is_d_reg, V_mode_nunits): Likewise.
6485         * config/arm/vec-common.md (VALL): Move to new file.
6486         (VALLW, VINT, VINTW): Likewise.
6487
6488 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
6489
6490         PR middle-end/45182
6491         * combine.c (make_compound_operation): Don't try to convert
6492         shifts into multiplications for modes that aren't SCALAR_INT_MODE_P.
6493
6494 2010-08-10  Richard Guenther  <rguenther@suse.de>
6495
6496         * tree.h (get_object_alignment): Adjust prototype.
6497         * builtins.c (get_object_alignment): Return unsigned int,
6498         drop the align parameter.  Handle MEM_REF, MISALIGNED_INDIRECT_REF
6499         and TARGET_MEM_REF properly.
6500         (get_pointer_alignment): Adjust.
6501         * emit-rtl.c (get_mem_align_offset): Adjust comment.
6502         (set_mem_attributes_minus_bitpos): Adjust.
6503         * tree-ssa-ccp.c (get_value_from_alignment): Adjust.
6504
6505 2010-08-10  Richard Guenther  <rguenther@suse.de>
6506
6507         * tree-ssa-copy.c (set_copy_of_val): Use operand_equal_p.
6508         (copy_prop_visit_assignment): Simplify.
6509         (copy_prop_visit_stmt): Also visit assignments from
6510         constants.
6511         (copy_prop_visit_phi_node): Use operand_equal_p.
6512
6513 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
6514
6515         * ipa-split.c (find_split_points): Free stack.
6516
6517 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
6518
6519         * tree.h (tree_node_kind) [perm_list_kind,temp_list_kind]: Delete.
6520         * tree.c (tree_node_kind): Delete corresponding entries.
6521
6522 2010-08-09  H.J. Lu  <hongjiu.lu@intel.com>
6523
6524         * alias.c (may_alias_p): Remove unused ret.
6525
6526 2010-08-09  Bingfeng Mei  <bmei@broadcom.com>
6527
6528         * ddg.c (walk_mems_2): Moved from alias.c, use may_alias_p instead of
6529         alias_sets_conflict_p.
6530         (walk_mems_1): Moved from alias.c.
6531         (insns_may_alias_p): New function, originally insn_alias_sets_conflict_p
6532         in alias.c.
6533         (add_inter_loop_mem_dep): Use insns_may_alias_p now.
6534         * cse.c (cse_insn): New argument in calling nonoverlapping_memrefs_p.
6535         * alias.c (walk_mems_2): Moved to ddg.c.
6536         (walk_mems_1): Ditto.
6537         (insn_alias_sets_conflict_p): Renamed to insns_may_alias_p and moved
6538         to ddg.c.
6539         (nonoverlapping_memrefs_p): Add flag to guard offset-based memory
6540         disambiguation.
6541         *(may_alias_p): New function to check whether two memory expression
6542         may alias or not. Currently used in buidling inter-iteration memory
6543         dependence.
6544         *alias.h (nonoverlapping_memrefs_p): New flag as third argument.
6545         (insn_alias_sets_conflict_p): Removed
6546         *rtl.h (may_alias_p): New function prototype.
6547
6548 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
6549
6550         * tree.c (nreverse): Assert that we don't have a BLOCK.
6551
6552 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
6553
6554         * builtins.c (fold_builtin_next_arg): Use stdarg_p.
6555         * config/arm/arm.c (arm_get_pcs_model): Likewise.
6556         * config/avr/avr.c (init_cumulative_args): Likewise.
6557         * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
6558         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
6559         * config/m68k/m68k.c (m68k_return_pops_args): Likewise.
6560         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6561         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
6562         * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
6563         * config/rs6000/rs6000.c (init_cumulative_args): Likewise.
6564         * dwarf2out.c (gen_subprogram_die): Likewise.
6565         * function.c (allocate_struct_function): Likewise.
6566         * c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
6567         (deserves_ellipsis): Delete.
6568
6569 2010-08-09  Richard Guenther  <rguenther@suse.de>
6570
6571         * tree-ssa-copy.c (cached_last_copy_of): Remove.
6572         (valueize_val): New function.
6573         (get_last_copy_of): Remove.
6574         (set_copy_of_val): Simplify.
6575         (dump_copy_of): Likewise.
6576         (copy_prop_visit_cond_stmt): Use valueize_val.
6577         (copy_prop_visit_phi_node): Properly handle unvisited names.
6578         Drop code managing copy-of chains.
6579         (init_copy_prop): Adjust.
6580         (fini_copy_prop): Likewise.
6581         (execute_copy_prop): Remove obsolete comment.
6582
6583 2010-08-09  Richard Guenther  <rguenther@suse.de>
6584
6585         PR middle-end/44632
6586         * function.c (gimplify_parameters): Do not clear addressable
6587         bit of the original parameter.
6588
6589 2010-08-09  Richard Guenther  <rguenther@suse.de>
6590
6591         PR middle-end/45212
6592         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust
6593         alignment from MEM_REF offset only if we took it from the
6594         base object.
6595
6596 2010-08-09  Eric Fisher  <joefoxreal@gmail.com>
6597
6598         * doc/sourcebuild.texi (vect_int_mult): Remove duplicate entry.
6599
6600 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
6601
6602         * c-tree.h (build_arg_info): Declare.
6603         * c-decl.c (build_arg_info): Define.
6604         (get_parm_info): Call it.  Delete initialization code.
6605         * c-parser.c (c_parser_parms_declarator): Likewise.
6606         (c_parser_parms_list_declaractor): Likewise.
6607
6608 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
6609
6610         * c-tree.h (c_arg_tag): Define.  Define a VEC containing it.
6611         (struct c_arg_info): Change type of tags field.
6612         * c-decl.c (grokdeclarator): Update for changed type of tags field.
6613         (get_parm_info): Likewise.
6614         (store_parm_decls_newstyle): Likewise.
6615
6616 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
6617
6618         * config/rs6000/rs6000.c (branch_island): Define.  Define a VEC of it.
6619         (branch_island_list): Delete.
6620         (branch_islands): Declare.
6621         (add_compiler_branch_island): Adjust for branch_islands instead of
6622         branch_island_list.
6623         (macho_branch_islands): Likewise.
6624         (no_previous_def): Likewise.
6625         (get_prev_label): Likewise.
6626
6627 2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6628
6629         PR boehm-gc/34544
6630         * gthr-posix.h (__gthread_start): Delete.
6631         (__gthread_active_init): Use pthread_default_stacksize_np instead of
6632         pthread_create to determine if hpux pthreads are active.
6633         * gthr-posix95.h (__gthread_start): Delete.
6634         (__gthread_active_init): Likewise use pthread_default_stacksize_np.
6635
6636 2010-08-08  Kai Tietz  <kai.tietz@onevision.com>
6637
6638         * config/i386/mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define
6639         _WIN64 not expanded.
6640
6641 2010-08-07  Uros Bizjak  <ubizjak@gmail.com>
6642             H.J. Lu  <hongjiu.lu@intel.com>
6643
6644         PR target/45213
6645         * config/i386/i386.c (ix86_print_operand): Handle 'q' operand modifier
6646         to output 32bit SFmode immediate as 8 byte sign extended value.
6647
6648 2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>
6649
6650         * config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
6651         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
6652         (SUBWORD_BOOL_CAS): Likewise.
6653         (SUBWORD_SYNC_OP): Likewise.
6654         (SUBWORD_TEST_AND_SET): Likewise.
6655         (FETCH_AND_OP_WORD): Parenthesise INF_OP
6656         (SUBWORD_SYNC_OP): Likewise.
6657         (OP_AND_FETCH_WORD): Likewise.
6658
6659 2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
6660
6661         * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
6662         * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
6663         (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
6664         (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
6665         generic part.
6666         (cortex_a9_sched_adjust_cost): New function.
6667         (xscale_sched_adjust_cost): New function.
6668         * config/arm/arm-protos.h (struct tune_params): New field
6669         sched_adjust_cost.
6670         * config/arm/arm-cores.def: Adjust costs for cortex-a9.
6671
6672 2010-08-06  Eric Botcazou  <ebotcazou@adacore.com>
6673
6674         PR target/44942
6675         * config/sparc/sparc.c (function_arg_advance): Always take into account
6676         the padding, if any.
6677
6678 2010-08-06  Richard Guenther  <rguenther@suse.de>
6679
6680         * tree-ssa-ccp.c (struct prop_value_d): Add mask member.
6681         (dump_lattice_value): Dump it.
6682         (get_default_value): Adjust.
6683         (get_constant_value): Likewise.
6684         (set_value_varying): Likewise.
6685         (set_lattice_value): Make sure to not go up the lattice
6686         with bitwise constant values.
6687         (get_value_for_expr): Handle ADDR_EXPRs.
6688         (value_to_double_int): New function.
6689         (get_value_from_alignment): Likewise.
6690         (do_dbg_cnt): Adjust.
6691         (ccp_lattice_meet): Handle partially constant values.
6692         (bit_value_unop_1): New function.
6693         (bit_value_binop_1): Likewise.
6694         (bit_value_unop): Likewise.
6695         (bit_value_binop): Likewise.
6696         (evaluate_stmt): Track partially constant values if
6697         flag_tree_bit_ccp is set.
6698         (ccp_fold_stmt): Dump if we folded a predicate.
6699         (ccp_visit_stmt): Adjust.
6700         * common.opt (ftree-bit-ccp): New flag.
6701         * doc/invoke.texi (ftree-bit-ccp): Document.
6702         * opts.c (decode_options): Enable bit-CCP at -O1.
6703
6704 2010-08-06  Alan Modra  <amodra@gmail.com>
6705
6706         * doc/invoke.texi (RS/6000 and PowerPC Options): Rewrite -mrelocatable
6707         and -mrelocatable-lib description.
6708
6709 2010-08-05  Bernd Schmidt  <bernds@codesourcery.com>
6710
6711         From Martin Thuresson  <martint@google.com>
6712         * postreload.c (reload_cse_simplify_operands): Use
6713         SET_REGNO_RAW instead of SET_REGNO.
6714         * caller-save.c (reg_save_code): Use SET_REGNO_RAW instead of
6715         SET_REGNO.
6716         * ira.c (setup_prohibited_mode_move_regs): Use SET_REGNO_RAW
6717         instead of SET_REGNO.
6718         * rtl.h (SET_REGNO_RAW): New macro.
6719
6720 2010-08-05  Eric Botcazou  <ebotcazou@adacore.com>
6721
6722         * rtlanal.c (nonzero_bits1): Use unsigned HOST_WIDE_INT in all mask
6723         computations.  Fix formatting issues.
6724         (num_sign_bit_copies1): Likewise.
6725         (canonicalize_condition): Likewise.
6726
6727 2010-08-05  Richard Henderson  <rth@redhat.com>
6728
6729         * toplev.h (ctz_hwi, clz_hwi, ffs_hwi): New.
6730         (floor_log2): Use clz_hwi.
6731         (exact_log2): Use ctz_hwi.
6732         * toplev.c (ctz_hwi, clz_hwi, ffs_hwi): New.
6733         * builtins.c (fold_builtin_bitop): Use them.
6734         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
6735         * combine.c (get_pos_from_mask): Use ctz_hwi.
6736         * double-int.c (double_int_ctz): Likewise.
6737         * explow.c (force_reg): Likewise.
6738         * tree.h (SET_DECL_OFFSET_ALIGN): Use ffs_hwi.
6739
6740 2010-08-05  Richard Henderson  <rth@redhat.com>
6741
6742         PR target/45189
6743         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Make sure
6744         the alignment constant is properly sign-extended.
6745
6746 2010-08-05  Richard Guenther  <rguenther@suse.de>
6747
6748         * expr.c (store_expr): Use emit_block_move only if both
6749         source and target are MEMs.  Use store_bit_field if only
6750         the target is a MEM.
6751
6752 2010-08-05  Richard Henderson  <rth@redhat.com>
6753
6754         PR debug/45188
6755         * dwarf2out.c (DWARF2_UNWIND_INFO): Provide default definition.
6756         (INCOMING_RETURN_ADDR_RTX): Likewise.
6757         (dwarf2out_do_frame): Remove conditional compilation.
6758         (dwarf2out_frame_init): Likewise.
6759
6760 2010-08-05  Nicolas Setton  <setton@adacore.com>
6761
6762         * gcov.c (flag_display_progress): New static variable.
6763         (main): Display progress info on standard output if requested.
6764         (options): Add -d/--display-progress.
6765         (print_usage): Print them.
6766         (process_args): Handle them.
6767         * doc/gcov.texi: Document them.
6768
6769 2010-08-05  Martin Jambor  <mjambor@suse.cz>
6770
6771         * ipa-cp.c (ipcp_discover_new_direct_edges): New function.
6772         (ipcp_insert_stage): Redirect only edges not flagged with
6773         indirect_inlining_edge.  Call ipcp_discover_new_direct_edges for all
6774         discovered constants.
6775
6776 2010-08-05  Martin Jambor  <mjambor@suse.cz>
6777
6778         * ipa-prop.h (enum ipa_lattice_type): Changed comments.
6779         (struct ipa_param_descriptor): New fields types and
6780         cannot_devirtualize.
6781         (ipa_param_cannot_devirtualize_p): New function.
6782         (ipa_param_types_vec_empty): Likewise.
6783         (ipa_make_edge_direct_to_target): Declare.
6784         * ipa-cp.c: Fixed first stage driver name in initial comment,
6785         described devirtualization there too.
6786         (ipcp_analyze_node): Call ipa_analyze_params_uses.
6787         (ipcp_print_all_lattices): Print devirtualization info.
6788         (ipa_set_param_cannot_devirtualize): New function.
6789         (ipcp_initialize_node_lattices): Set cannot_devirtualize when setting
6790         lattice to BOTTOM.
6791         (ipcp_init_stage): Merged into...
6792         (ipcp_generate_summary): ...its caller.
6793         (ipcp_change_tops_to_bottom): Also process type lists.
6794         (ipcp_add_param_type): New function.
6795         (ipcp_copy_types): Likewise.
6796         (ipcp_propagate_types): Likewise.
6797         (ipcp_propagate_stage): Also propagate types.
6798         (ipcp_need_redirect_p): Variable jump_func moved to its scope block.
6799         Also return true if propagated types require it.
6800         (ipcp_update_callgraph): Dump redirection info.
6801         (ipcp_process_devirtualization_opportunities): New function.
6802         (ipcp_const_param_count): Include known type information.
6803         (ipcp_insert_stage): Call ipcp_process_devirtualization_opportunities
6804         on new node.  Fixed formatting.
6805         * ipa-prop.c (make_edge_direct_to_target): Renamed to
6806         ipa_make_edge_direct_to_target and changed all callers.  Made
6807         externally visible.
6808         (ipa_node_duplication_hook): Duplicate types vector.
6809         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Also try to
6810         redirect outgoing calls for which we can't get a decl from the
6811         statement.  Check that we can get a decl from the call statement.
6812         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
6813         ipa_analyze_params_uses only when ipa-cp is disabled.
6814         * tree-inline.c (get_indirect_callee_fndecl): Removed.
6815         (expand_call_inline): Do not call get_indirect_callee_fndecl.
6816         * params.def (PARAM_DEVIRT_TYPE_LIST_SIZE): New parameter.
6817         * Makefile.in (ipa-cp.o): Add gimple.h to dependencies.
6818
6819 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
6820
6821         * expmed.c (expand_mult_const) <case alg_shift>: Expand shift into
6822         temporary. Emit move from temporary to accum, so REG_EQUAL note will
6823         be attached to this insn in correct mode.
6824
6825 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
6826
6827         * config/i386/i386.c (ix86_decompose_address): Check for SI_REG
6828         using REGNO of base_reg directly.
6829
6830 2010-08-05  Jie Zhang  <jie@codesourcery.com>
6831
6832         PR tree-optimization/45144
6833         * tree-sra.c (type_consists_of_records_p): Return false
6834         if the record contains bit-field.
6835
6836 2010-08-04  Richard Henderson  <rth@redhat.com>
6837
6838         * config/i386/i386.c (struct ix86_frame): Remove padding and
6839         to_allocate members.
6840         (ix86_compute_frame_layout): Don't store them.
6841         (ix86_can_use_return_insn_p): Use a more direct and more obviously
6842         correct condition for the position of the stack pointer.
6843         (ix86_expand_prologue): Compute remaining stack allocation based
6844         on the ultimate stack pointer offset.
6845         (ix86_expand_epilogue): Use more obvious expressions testing for
6846         the stack pointer already pointing to the saved registers.
6847
6848         * config/i386/i386.c (ix86_expand_epilogue): Eliminate code
6849         duplication deconstructing the frame pointer.  Simplify
6850         deallocation of the local stack frame.
6851
6852         * reg-notes.def (CFA_EXPRESSION): New.
6853         * dwarf2out.c (dwarf2out_frame_debug): Handle it.
6854         (dwarf2out_frame_debug_cfa_expression): New.
6855         (dwarf2out_frame_debug_def_cfa): Handle simple MEMs.
6856
6857         * config/i386/i386.h (struct machine_frame_state): Add realigned flag.
6858         * config/i386/i386.c (ix86_expand_prologue): Set it.
6859         (ix86_expand_epilogue): Clear it.
6860         (ix86_emit_save_reg_using_mov): For registers saved in a realigned
6861         context, add REG_CFA_EXPRESSION notes.
6862
6863         * config/i386/i386.h (struct machine_frame_state): Rename from
6864         machine_cfa_state.  Add members tracking SP and FP regardless
6865         of the current CFA register.
6866         (ix86_cfa_state): Remove.
6867         * config/i386/i386.c (struct ix86_frame): Add reg_save_offset
6868         and sse_reg_save_offset members.
6869         (ix86_compute_frame_layout): Set them.
6870         (gen_push): Increment sp_offset too.
6871         (choose_baseaddr_len, choose_baseaddr): New.
6872         (ix86_emit_save_reg_using_mov): New.
6873         (ix86_emit_save_regs_using_mov): Use it.
6874         (ix86_emit_save_sse_regs_using_mov): Likewise.
6875         (ix86_add_cfa_restore_note): Take cfa_offset not red_offset argument;
6876         compare vs the saved red_zone_offset.
6877         (pro_epilogue_adjust_stack): Adjust sp_offset.
6878         (ix86_adjust_stack_and_probe): Likewise.
6879         (ix86_expand_prologue): Set up, use, and validate the new
6880         frame_state_info members.  Use gen_frame_mem.
6881         (ix86_emit_restore_regs_using_pop): Remove red_offset parameter.
6882         (ix86_emit_restore_reg_using_pop): Likewise.  Use and update the
6883         new frame_state_info members.
6884         (ix86_emit_leave): Likewise.
6885         (ix86_emit_restore_regs_using_mov): Likewise.  Don't check for
6886         out-of-range stack pointer offsets here.
6887         (ix86_emit_restore_sse_regs_using_mov): Likewise.
6888         (ix86_expand_epilogue): Use and validate the new frame_state_info
6889         members.  Break up and simplify the logic selecting the
6890         restore_regs_via_mov code path.  Ensure that there will be no
6891         out-of-range stack pointer offsets.
6892
6893         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Remove.
6894
6895         * config/i386/i386.c (ix86_function_ms_hook_prologue): Fix
6896         argument name to reflect the expected tree; fix indentation.
6897         (ix86_asm_output_function_label): Output the entire 32-bit
6898         ms_hook here as bytes ...
6899         (ix86_expand_prologue): ... not here as insns.  Attach the
6900         unwind info for the ms_hook to a blockage insn.
6901         (ix86_handle_fndecl_attribute): Don't check HAVE_AS_IX86_SWAP.
6902         (ix86_ms_bitfield_layout_p): Fix indentation.
6903         * config/i386/i386.md (UNSPECV_VSWAPMOV, vswapmov): Remove.
6904
6905         * config/i386/i386.c (ix86_using_red_zone): New.
6906         (ix86_compute_frame_layout, ix86_add_cfa_restore_note,
6907         ix86_expand_prologue, ix86_force_to_memory): Use it.
6908
6909         * config/i386/i386.c (ix86_expand_prologue): Simplify logic
6910         saving the int registers.
6911
6912         * dwarf2out.c: Remove most of the DWARF2_DEBUGGING_INFO
6913         and DWARF2_UNWIND_INFO conditional compilation.
6914
6915 2010-08-04  Richard Henderson  <rth@redhat.com>
6916
6917         PR debug/45171
6918         * dwarf2out.c (gen_typedef_die): Don't re-generate the die of
6919         an is_naming_typedef_decl.
6920
6921 2010-08-04  Bernd Schmidt  <bernds@codesourcery.com>
6922
6923         PR rtl-optimization/45162
6924         * df-problems.c (df_word_lr_bb_local_compute): Ignore DEBUG_INSNs.
6925         * dce.c (word_dce_process_block): Likewise.
6926
6927 2010-08-04  Steve Ellcey  <sje@cup.hp.com>
6928
6929         PR target/44583
6930         * config/ia64/constraints.md (Z): New.
6931         * config/ia64/predicates.md (fr_reg_or_signed_fp01_operand): New.
6932         (xfreg_or_signed_fp01_operand): New.
6933         * config/ia64/ia64.md (addsf3): Replace fr_reg_or_fp01_operand
6934         with fr_reg_or_signed_fp01_operand and constraint G with Z.
6935         (subsf3): Ditto.
6936         (*maddsf4): Ditto.
6937         (*msubsf4): Ditto.
6938         (adddf3): Ditto.
6939         (adddf3_trunc): Ditto.
6940         (subdf3): Ditto.
6941         (*subdf3_trunc): Ditto.
6942         (*madddf4): Ditto.
6943         (*madddf4_trunc): Ditto.
6944         (*msubdf4): Ditto.
6945         (*msubdf4_trunc): Ditto.
6946         (addxf3): Replace xfreg_or_fp01_operand with
6947         xfreg_or_signed_fp01_operand and constraint G with Z.
6948         (*addxf3_truncsf): Ditto.
6949         (*addxf3_truncdf): Ditto.
6950         (subxf3): Ditto.
6951         (*subxf3_truncsf): Ditto.
6952         (*subxf3_truncdf): Ditto.
6953         (*maddxf4): Ditto.
6954         (*maddxf4_truncsf): Ditto.
6955         (*maddxf4_truncdf): Ditto.
6956         (*msubxf4): Ditto.
6957         (*msubxf4_truncsf): Ditto.
6958         (*msubxf4_truncdf): Ditto.
6959
6960 2010-08-04  Richard Guenther  <rguenther@suse.de>
6961
6962         * alias.c (rtx_refs_may_alias_p): Do not resort to TBAA
6963         if either alias-set is zero.
6964
6965 2010-08-04  Richard Guenther  <rguenther@suse.de>
6966
6967         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t): Move ...
6968         * tree-ssa-ccp.c: ... here.
6969         * tree-ssa-copy.c: ... and here.
6970         * tree-ssa-propagate.h (enum value_range_type, struct value_range_d,
6971         value_range_t): Move ...
6972         * tree-vrp.c: ... here.
6973         * tree-ssa-propagate.h (ssa_prop_get_value_fn): New typedef.
6974         (substitute_and_fold): Adjust prototype.
6975         * tree-ssa-propagate.c (replace_uses_in): Adjust.
6976         (replace_phi_args_in): Likewise.
6977         (substitute_and_fold): Take callback to query lattice instead
6978         of pointer to lattice.  Replace SSA name defs with lattice
6979         values first.
6980         * tree-ssa-ccp.c (ccp_finalize): Adjust.
6981         * tree-ssa-copy.c (copy_prop_visit_phi_node): Adjust.
6982         (get_value): New function.
6983         (fini_copy_prop): Adjust.
6984         * tree-vrp.c (vrp_finalize): Adjust.
6985
6986 2010-08-04  Richard Guenther  <rguenther@suse.de>
6987
6988         PR middle-end/45176
6989         * expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
6990         points-to set for original MEM_REF.
6991
6992 2010-08-04  Richard Guenther  <rguenther@suse.de>
6993
6994         * tree-ssa-ccp.c (get_constant_value): New function.
6995         (get_rhs_assign_op_for_ccp): Remove.
6996         (valueize_op): New function.
6997         (ccp_fold): Use get_constant_value and valueize_op.
6998         (fold_const_aggregate_ref): Likewise.
6999         (ccp_fold_stmt): Likewise.
7000         (visit_assignment): Simplify.
7001
7002 2010-08-04  Richard Guenther  <rguenther@suse.de>
7003
7004         * Makefile.in (double-int.o): Add $(TOPLEV_H) dependency.
7005         * double-int.h (double_int_ctz): Declare.
7006         * double-int.c (double_int_ctz): New function.
7007
7008 2010-08-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
7009
7010         * config/picochip/picochip.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE):
7011         Define.
7012         picochip_expand_movmemhi : Expand movmem pattern.
7013         * config/picochip/picochip-protos.h (picochip_expand_movmemhi) :
7014         Declare.
7015         * config/picochip/picochip.md (movmemhi) : New pattern.
7016
7017 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
7018
7019         * config/i386/unix.h (GLOBAL_ASM_OPS): Add tabs around .globl.
7020
7021 2010-08-03  Bernd Schmidt  <bernds@codesourcery.com>
7022
7023         * simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
7024         NEG as operand of a MULT by merging it with the other operand.
7025         * combine.c (make_compound_operation): Use trunc_int_for_mode when
7026         generating a MULT with constant.  Canonicalize PLUS and MINUS involving
7027         MULT.
7028         * config/arm/constraints.md (M): Examine only 32 bits of a
7029         HOST_WIDE_INT.
7030         * config/arm/predicates.md (power_of_two_operand): Likewise.
7031
7032 2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7033
7034         * config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of
7035         non-NOTE insns.
7036
7037 2010-08-03  Jan Hubicka  <jh@suse.cz>
7038
7039         * ipa-split.c (struct split_point): Add split_part_set_retval.
7040         (find_retval): Forward declare.
7041         (test_nonssa_use, mark_nonssa_use): Special case return by reference.
7042         (consider_split): Compute current->split_part_set_retval.
7043         (visit_bb): Do not look into return value.
7044         (split_function): Handle !split_part_set_retval
7045
7046 2010-08-03  Martin Jambor  <mjambor@suse.cz>
7047
7048         * tree-sra.c (completely_scalarize_record): New parameter REF, create
7049         its own access->expr intead of using build_ref_for_offset.
7050
7051 2010-08-03  Joseph Myers  <joseph@codesourcery.com>
7052
7053         * config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.
7054         * config/alpha/osf5.h (LIB_SPEC): Don't handle -a.
7055         * config/bfin/bfin.h (ASM_SPEC, LINK_SPEC): Don't pass -G* options.
7056         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Handle -iframework.
7057         * config/ia64/ia64.h (SWITCH_TAKES_ARG): Define.
7058         * config/iq2000/iq2000.h (SWITCH_TAKES_ARG): Remove.
7059         * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Define using
7060         DEFAULT_SWITCH_TAKES_ARG.
7061         * config/rx/rx.opt (-patch=): Remove option.
7062         * config/rx/rx.c (rx_handle_option): Don't handle OPT_patch_.
7063         * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Handle -imultilib.
7064         * doc/invoke.texi (RX Options): Remove -patch=.
7065         * gcc.c (cc1_options): Pass -aux-info* instead of -a* options.
7066         (option_map): Remove --profile-blocks, --quiet and --silent.
7067
7068 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
7069
7070         * config/i386/i386.h (ix86_compare_op0, ix86_compare_op1): Remove.
7071         * config/i386/i386.c (ix86_compare_op0, ix86_compare_op1): Remove.
7072         (ix86_expand_branch): Add op0 and op1 arguments.  Do not access
7073         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
7074         Update calls to ix86_expand_compare and ix86_expand_branch.
7075         (ix86_expand_setcc): Add op0 and op1 arguments.  Update calls to
7076         ix86_expand_compare.
7077         (ix86_expand_compare): Add op0 and op1 arguments.  Do not access
7078         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
7079         Make static.
7080         (ix86_expand_carry_flag_compare): Do not set ix86_compare_op0
7081         and ix86_compare_op1.  Update calls to ix86_expand_compare.
7082         (ix86_expand_int_movcc): Ditto.
7083         (ix86_expand_fp_movcc): Ditto.  Update calls to ix86_expand_setcc.
7084         * config/i386/i386-protos.h (ix86_expand_branch): Update prototype.
7085         (ix86_expand_setcc): Ditto.
7086         (ix86_expand_compare): Remove prototype.
7087         * config/i386/i386.md (cbranch<SDWIM:mode>4): Do not set
7088         ix86_compare_op0 and ix86_compare_op1.  Update calls
7089         to ix86_expand_branch to directly pass operands[1] and operands[2].
7090         (cbranchxf4): Ditto.
7091         (cbranch<MODEF:mode>4): Ditto.
7092         (cbranchcc4): Ditto.
7093         (cstore<SWIM:mode>4): Do not set ix86_compare_op0 and ix86_compare_op1.
7094         Update calls to ix86_expand_setcc to directly pass operands[2] and
7095         operands[3].
7096         (cstorexf4): Ditto.
7097         (cstore<MODEF:mode>4): Ditto.
7098         (cstorecc4): Ditto.
7099
7100 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
7101
7102         PR target/45063
7103         * caller-save.c (save_call_clobbered_regs): Remove regs from
7104         hard_regs_saved when they are set.
7105
7106 2010-08-02  Uros Bizjak  <ubizjak@gmail.com>
7107
7108         PR target/41089
7109         * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
7110         as volatile.
7111
7112 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
7113
7114         * common.opt (ftree-loop-distribute-patterns): New.
7115         * invoke.texi (-ftree-loop-distribute-patterns): Documented.
7116         * opts.c (decode_options): Enable flag_tree_loop_distribute_patterns
7117         at -O3.
7118         * tree-data-ref.c (stores_zero_from_loop): New.
7119         * tree-data-ref.h (stores_zero_from_loop): Declared.
7120         * tree-loop-distribution.c (tree_loop_distribution): Call
7121         stores_zero_from_loop.
7122         (tree_loop_distribution): Check flag_tree_loop_distribute_patterns.
7123
7124 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
7125
7126         * postreload.c (reload_cse_simplify_operands): Take attribute enabled
7127         into account.
7128
7129         * final.c (final_scan_insn): Call CC_STATUS_INIT unconditionally.
7130         * config/arm/arm.c (thumb1_code): New variable.
7131         (arm_override_options): Set it.
7132         (thumb1_final_prescan_insn): Keep track of condition code status.
7133         (arm_adjust_cost): For Thumb, try to keep cc-setting insns next to
7134         jumps that depend on them.
7135         * config/arm/arm.h (thumb1_code): Declare variable.
7136         (struct machine_function): Guard with #ifndef GENERATOR_FILE.  Add
7137         members thumb1_cc_insn, thumb1_cc_op0, thumb1_cc_op1 and
7138         thumb1_cc_mode.
7139         (CC_STATUS_INIT): New macro.
7140         * config/arm/constraints.md (Pd): New constraint.
7141         * config/arm/predicates.md (noov_comparison_operator): New predicate.
7142         * config/arm/arm.md (is_thumb1): New define_attr.
7143         (conds): Set default to "clob" when generating Thumb1 code.
7144         (thumb1_bicsi3): Renamed from bicsi3.  All uses changed.  Condition
7145         code are set.  Use two-operand assembly syntax.
7146         (thumb1_subsi3_insn): Condition codes are set.  Now a properly named
7147         pattern.
7148         (thumb1_andsi3_insn, thumb1_iorsi3_insn, thumb1_xorsi3_insn): Condition
7149         codes are set.  Use two-operand assembly syntax.
7150         (zero_extendhisi splitter): Remove constraints.
7151         (thumb1_movsi_insn, thumb1_movhi_insn, thumb1_movqi_insn, thumb1_movhf,
7152         thumb1_movsf_insn): Set conds attribute as appropriate.
7153         (cbranchsi4_insn): Use condition code status from struct
7154         machine_function to determine whether the comparison can be eliminated.
7155         Discourage the alternative using high registers.
7156         (movsi_cbranchsi4, andsi3_cbranch, orrsi3_cbranch_scratch,
7157         orrsi3_cbranch, xorsi3_cbranch_scratch, xorsi3_cbranch,
7158         bicsi3_cbranch_scratch, bicsi3_cbranch, subsi3_cbranch_scratch,
7159         subsi3_cbranch): Delete.
7160         (movsi_cbranchsi4 peepholes): Rewrite to generate a sequence of
7161         one subtract and one cbranch insn.
7162
7163         * config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
7164         thumb2_movdf_soft_insn): Delete patterns.
7165         * config/arm/arm.md (arm_pool_range, thumb2_pool_range,
7166         arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
7167         (pool_range, neg_pool_range): Use them to define defaults.
7168         (movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
7169         and allow for TARGET_32BIT.
7170
7171         PR target/40457
7172         * config/arm/arm.h (arm_regs_in_sequence): Declare.
7173         * config/arm/arm-protos.h (emit_ldm_seq, emit_stm_seq,
7174         load_multiple_sequence, store_multiple_sequence): Delete
7175         declarations.
7176         (arm_gen_load_multiple, arm_gen_store_multiple): Adjust
7177         declarations.
7178         * config/arm/ldmstm.md: New file.
7179         * config/arm/arm.c (arm_regs_in_sequence): New array.
7180         (load_multiple_sequence): Now static.  New args SAVED_ORDER,
7181         CHECK_REGS.  All callers changed.
7182         If SAVED_ORDER is nonnull, copy the computed order into it.
7183         If CHECK_REGS is false, don't sort REGS.  Handle Thumb mode.
7184         (store_multiple_sequence): Now static.  New args NOPS_TOTAL,
7185         SAVED_ORDER, REG_RTXS and CHECK_REGS.  All callers changed.
7186         If SAVED_ORDER is nonnull, copy the computed order into it.
7187         If CHECK_REGS is false, don't sort REGS.  Set up REG_RTXS just
7188         like REGS.  Handle Thumb mode.
7189         (arm_gen_load_multiple_1): New function, broken out of
7190         arm_gen_load_multiple.
7191         (arm_gen_store_multiple_1): New function, broken out of
7192         arm_gen_store_multiple.
7193         (arm_gen_multiple_op): New function, with code from
7194         arm_gen_load_multiple and arm_gen_store_multiple moved here.
7195         (arm_gen_load_multiple, arm_gen_store_multiple): Now just
7196         wrappers around arm_gen_multiple_op.  Remove argument UP, all callers
7197         changed.
7198         (gen_ldm_seq, gen_stm_seq, gen_const_stm_seq): New functions.
7199         * config/arm/predicates.md (commutative_binary_operator): New.
7200         (load_multiple_operation, store_multiple_operation): Handle more
7201         variants of these patterns with different starting offsets.  Handle
7202         Thumb-1.
7203         * config/arm/arm.md: Include "ldmstm.md".
7204         (ldmsi_postinc4, ldmsi_postinc4_thumb1, ldmsi_postinc3, ldmsi_postinc2,
7205         ldmsi4, ldmsi3, ldmsi2, stmsi_postinc4, stmsi_postinc4_thumb1,
7206         stmsi_postinc3, stmsi_postinc2, stmsi4, stmsi3, stmsi2 and related
7207         peepholes): Delete.
7208         * config/arm/ldmstm.md: New file.
7209         * config/arm/arm-ldmstm.ml: New file.
7210
7211         * config/arm/arm.c (arm_rtx_costs_1): Remove second clause from the
7212         if statement which adds extra costs to frame-related expressions.
7213
7214 2010-08-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
7215
7216         * config/arm/arm.c (COSTS_N_INSNS): Remove definition.
7217
7218 2010-08-01  Uros Bizjak  <ubizjak@gmail.com>
7219
7220         PR target/45142
7221         * config/i386/sse.md (vec_set<mode>_0): Do not set mode attribute for
7222         alternative 2.
7223         (vec_set<mode>_0 splitter): Use SSEMODE4S mode iterator to also
7224         split V4SI operands.
7225
7226 2010-08-01  Anatoly Sokolov  <aesok@post.ru>
7227
7228         * config/mmix/mmix.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
7229         * config/mmix/mmix-protos.h (mmix_asm_output_source_filename): Remove.
7230         * config/mmix/mmix.c (mmix_asm_output_source_filename): Make static.
7231         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
7232
7233 2010-07-31  Kai Tietz  <kai.tietz@onevision.com>
7234
7235         * cppdefault.c (cpp_include_defaults): Move GCC_INCLUDE_DIR before
7236         LOCAL_INCLUDE_DIR.
7237
7238 2010-07-31  Richard Sandiford  <rdsandiford@googlemail.com>
7239
7240         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Fix type
7241         used in the call to optab_for_tree_code.  Fix the second
7242         is_widening_mult_p call.  Check that both unwidened operands
7243         have the same sign.
7244
7245 2010-07-31  John Tytgat  <John.Tytgat@aaug.net>
7246
7247         * config/arm/arm.c (arm_function_arg): Remove superfluous test.
7248
7249 2010-07-31  Anatoly Sokolov  <aesok@post.ru>
7250
7251         * config/spu/spu.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
7252
7253 2010-07-30  DJ Delorie  <dj@redhat.com>
7254
7255         * config/rx/predicates.md (rx_constshift_operand): New.
7256         * config/rx/rx.md (zs_cond): New.
7257         (cbranchsi4): Remove mode.
7258         (*cbranchsi4_<code>): Likewise.
7259         (*tstbranchsi4_<code>): New.
7260         (*tstbranchsi4r_<code>): New.
7261         (*tstbranchsi4m_eq): New.
7262         (*tstbranchsi4m_ne): New.
7263         (cbranchsf4): Remove mode.
7264         (*cbranchsf4_<code>): Likewise.
7265
7266 2010-07-30  Bernd Schmidt  <bernds@codesourcery.com>
7267
7268         * rtlanal.c (simplify_subreg_regno): Don't treat
7269         HARD_FRAME_POINTER_REGNUM specially.
7270
7271 2010-07-30  Joseph Myers  <joseph@codesourcery.com>
7272
7273         * common.opt (-G): Don't define option here.
7274         * config/g.opt: New.
7275         * config.gcc: Use g.opt for alpha, frv, ia64, lm32, m32r, mips,
7276         rs6000/powerpc and score targets.
7277         * opts.c (common_handle_option): Don't handle -G here.
7278         * config/alpha/alpha.c (alpha_handle_option): Handle -G.
7279         * config/frv/frv.c (frv_handle_option): Handle -G.
7280         * config/ia64/ia64.c (ia64_handle_option): Handle -G.
7281         * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION): New.
7282         * config/m32r/m32r.c (m32r_handle_option): Handle -G.
7283         * config/mips/mips.c (mips_handle_option): Handle -G.
7284         * config/rs6000/rs6000.c (rs6000_handle_option) Handle -G.
7285         * config/score/score.c (score_handle_option): Handle -G.
7286
7287 2010-07-30  Anatoly Sokolov  <aesok@post.ru>
7288
7289         * config/mmix/mmix.c: Include basic-block.h.
7290
7291 2010-07-30  Jakub Jelinek  <jakub@redhat.com>
7292
7293         PR debug/45055
7294         PR rtl-optimization/45137
7295         * rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
7296         prototypes.
7297         * emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
7298         New functions.
7299         * combine.c (next_nonnote_nondebug_insn): Removed.
7300         * ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
7301         * haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
7302         * sched-deps.c (sched_analyze_insn): Likewise.
7303         (fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
7304         * rtlanal.c (canonicalize_condition): Likewise.
7305         * postreload.c (reload_combine_recognize_pattern): Likewise.
7306         (reload_cse_move2add): Use next_nonnote_nondebug_insn.
7307
7308 2010-07-29  Uros Bizjak  <ubizjak@gmail.com>
7309
7310         * config/i386/i386.md (int_cond): Remove code iterator.
7311         (fp_cond): Ditto.
7312         (cbranch<mode>4): Use ordered_comparison_operator predicate
7313         for operator0.
7314         (cstore<mode>4): Ditto for operator1.
7315         (mov<SWIM:mode>cc and corresponding splitter): Ditto.
7316         (add<mode>cc): ditto.
7317
7318 2010-07-30  Richard Guenther  <rguenther@suse.de>
7319
7320         PR middle-end/45141
7321         * expr.c (expand_expr_real_1): Check for not handled base address.
7322
7323 2010-07-30  Richard Guenther  <rguenther@suse.de>
7324
7325         * ipa-prop.c (ipa_modify_formal_parameters): Use
7326         build_distinct_type_copy.
7327
7328 2010-07-30  Anthony Green  <green@moxielogic.com>
7329
7330         * config/moxie/rtems.h: New file.
7331         * config.gcc: Add moxie-rtems support.
7332
7333 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
7334
7335         * dce.c (run_word_dce): Take flag_dce into account.  Clear and restore
7336         df flags as in run_fast_df_dce.
7337
7338 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
7339
7340         Revert:
7341         2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
7342
7343         * rtl.def (NOTE): Swap operands 4 and 5.
7344         * rtl.h (NOTE_DATA, NOTE_DELETED_LABEL_NAME, NOTE_BLOCK,
7345         NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION, NOTE_KIND):
7346         Adjust accordingly.
7347         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of NOTEs.
7348
7349 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
7350
7351         PR debug/45110
7352         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_object_pointer.
7353         (gen_formal_types_die): Add DW_AT_object_pointer in methods.
7354         (gen_subprogram_die): Likewise.  Remove it when removing declaration's
7355         formal parameters.
7356         (gen_decl_die): Change return type to dw_die_ref, return what
7357         gen_formal_parameter_die returned.
7358
7359 2010-07-29  Martin Jambor  <mjambor@suse.cz>
7360
7361         * dbgcnt.def (eipa_sra): New counter.
7362         * tree-sra.c (ipa_early_sra_gate): Also check eipa_sra debug counter.
7363
7364 2010-07-29  Xinliang David Li  <davidxl@google.com>
7365
7366         PR bootstrap/45119
7367         * tree-ssa-loop-ivopts.c (get_address_cost): Revert change
7368         in revision 162652.
7369
7370 2010-07-29  Richard Guenther  <rguenther@suse.de>
7371
7372         * timevar.def (TV_TREE_STORE_COPY_PROP): Remove.
7373         (TV_TREE_STORE_CCP): Likewise.
7374         (TV_TREE_REDPHI): Likewise.
7375
7376 2010-07-29  Richard Guenther  <rguenther@suse.de>
7377
7378         * double-int.h (double_int_and_not): New function.
7379         * combine.c (try_combine): Use it.
7380         * tree-vrp.c (simplify_bit_ops_using_ranges): Likewise.
7381
7382 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
7383
7384         PR rtl-optimization/42575
7385         * dce.c (word_dce_process_block): Renamed from byte_dce_process_block.
7386         Argument AU removed.  All callers changed.  Ignore artificial refs.
7387         Use return value of df_word_lr_simulate_defs to decide whether an insn
7388         is necessary.
7389         (fast_dce): Rename arg to WORD_LEVEL.
7390         (run_word_dce): Renamed from rest_of_handle_fast_byte_dce.  No longer
7391         static.
7392         (pass_fast_rtl_byte_dce): Delete.
7393         * dce.h (run_word_dce): Declare.
7394         * df-core.c (df_print_word_regset): Renamed from df_print_byteregset.
7395         All callers changed.  Simplify code to only deal with two-word regs.
7396         * df.h (DF_WORD_LR): Renamed from DF_BYTE_LR.
7397         (DF_WORD_LR_BB_INFO): Renamed from DF_BYTE_LR_BB_INFO.
7398         (DF_WORD_LR_IN): Renamed from DF_BYTE_LR_IN.
7399         (DF_WORD_LR_OUT): Renamed from DF_BYTE_LR_OUT.
7400         (struct df_word_lr_bb_info): Renamed from df_byte_lr_bb_info.
7401         (df_word_lr_mark_ref): Declare.
7402         (df_word_lr_add_problem, df_word_lr_mark_ref, df_word_lr_simulate_defs,
7403         df_word_lr_simulate_uses): Declare or rename from byte variants.
7404         (df_byte_lr_simulate_artificial_refs_at_top,
7405         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
7406         df_byte_lr_get_regno_len, df_compute_accessed_bytes): Delete
7407         declarations.
7408         (df_word_lr_get_bb_info): Rename from df_byte_lr_get_bb_info.
7409         (enum df_mm): Delete.
7410         * df-byte-scan.c: Delete file.
7411         * df-problems.c (df_word_lr_problem_data): Renamed from
7412         df_byte_lr_problem_data, all members deleted except for
7413         WORD_LR_BITMAPS, which is renamed from BYTE_LR_BITMAPS.  Uses changed.
7414         (df_word_lr_expand_bitmap, df_byte_lr_simulate_artificial_refs_at_top,
7415         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
7416         df_byte_lr_get_regno_len, df_byte_lr_check_regs,
7417         df_byte_lr_confluence_0): Delete functions.
7418         (df_word_lr_free_bb_info): Renamed from df_byte_lr_free_bb_info; all
7419         callers changed.
7420         (df_word_lr_alloc): Renamed from df_byte_lr_alloc; all callers changed.
7421         Don't initialize members that were deleted, don't try to discover data
7422         about registers.  Ignore hard regs.
7423         (df_word_lr_reset): Renamed from df_byte_lr_reset; all callers changed.
7424         (df_word_lr_mark_ref): New function.
7425         (df_word_lr_bb_local_compute): Renamed from
7426         df_byte_bb_lr_local_compute; all callers changed.  Use
7427         df_word_lr_mark_ref.  Assert that artificial refs don't include
7428         pseudos.  Ignore hard registers.
7429         (df_word_lr_local_compute): Renamed from df_byte_lr_local_compute.
7430         Assert that exit block uses don't contain pseudos.
7431         (df_word_lr_init): Renamed from df_byte_lr_init; all callers changed.
7432         (df_word_lr_confluence_n): Renamed from df_byte_lr_confluence_n; all
7433         callers changed.  Ignore hard regs.
7434         (df_word_lr_transfer_function): Renamed from
7435         df_byte_lr_transfer_function; all callers changed.
7436         (df_word_lr_free): Renamed from df_byte_lr_free; all callers changed.
7437         (df_word_lr_top_dump): Renamed from df_byte_lr_top_dump; all callers
7438         changed.
7439         (df_word_lr_bottom_dump): Renamed from df_byte_lr_bottom_dump; all
7440         callers changed.
7441         (problem_WORD_LR): Renamed from problem_BYTE_LR; uses changed;
7442         confluence operator 0 set to NULL.
7443         (df_word_lr_add_problem): Renamed from df_byte_lr_add_problem; all
7444         callers changed.
7445         (df_word_lr_simulate_defs): Renamed from df_byte_lr_simulate_defs.
7446         Return bool, true if bitmap changed or insn otherwise necessary.
7447         All callers changed.  Simplify using df_word_lr_mark_ref.
7448         (df_word_lr_simulate_uses): Renamed from df_byte_lr_simulate_uses;
7449         all callers changed.  Simplify using df_word_lr_mark_ref.
7450         * lower-subreg.c: Include "dce.h"
7451         (decompose_multiword_subregs): Call run_word_dce if df available.
7452         * Makefile.in (lower-subreg.o): Adjust dependencies.
7453         (df-byte-scan.o): Delete.
7454         * timevar.def (TV_DF_WORD_LR): Renamed from TV_DF_BYTE_LR.
7455
7456 2010-07-29  Richard Guenther  <rguenther@suse.de>
7457
7458         * tree.c (build_vector): Assert that the vector constant
7459         has enough elements.
7460         (build_vector_from_ctor): Pad with trailing zeros.
7461
7462 2010-07-29  Richard Guenther  <rguenther@suse.de>
7463
7464         PR tree-optimization/45120
7465         * tree-ssa-structalias.c (get_constraint_for_component_ref):
7466         Handle offset in DEREFs properly.
7467         (get_constraint_for_1): Handle MEM_REF offset properly.
7468
7469 2010-07-29  Richard Guenther  <rguenther@suse.de>
7470
7471         PR middle-end/45034
7472         * convert.c (convert_to_integer): Always use an unsigned
7473         type for narrowed negate and bitwise not.
7474
7475 2010-07-29  Ira Rosen  <irar@il.ibm.com>
7476
7477         * tree-vect-loop.c (vect_create_epilog_for_reduction): Switch
7478         to outer loop when creating reduction epilogue for double reduction,
7479         and switch back to the inner loop when updating the phi nodes.
7480         Update uses of outer loop exit phi nodes in double reduction (instead
7481         of uses of reduction).
7482
7483 2010-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
7484
7485         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update costs for
7486         popcount on power7 and parity on power6 systems.
7487         (rs6000_emit_popcount): Rename gen_popcntwsi2 to gen_popcntddi2.
7488         (rs6000_emit_parity): Add support for power6 prtyd/prtyw
7489         instructions.
7490
7491         * config/rs6000/rs6000.md (UNSPEC_COPYSIGN): New unspec.
7492         (UNSPEC_PARITY): Ditto.
7493         (SFDF): New iterator for SF/DF.
7494         (rreg2): New mode attribute for floating register constraint.
7495         (TARGET_FLOAT): New mode attribute for whether single/double float
7496         is supported.
7497         (popcntd<mode>2): Combine popcntwsi2 and popcntddi2 into one
7498         pattern.
7499         (parity<mode>2_cmpb): New insn for parity on power6 and newer
7500         machines.
7501         (copysign<mode>3): Combine copysignsf3, copysigndf3 into one
7502         pattern.  Add support for fcpsgn instruction added in power6.
7503         (copysignsf3): Delete.
7504         (copysigndf3): Delete.
7505         (copysign<mode>3_fcpsgn): New insn to generate fcpsgn.  Use UNSPEC
7506         instead of if_then_else in RTL to avoid problems with -0.
7507
7508         * config/rs6000/vsx.md (vsx_copysign<mode>3): Use UNSPEC instead
7509         of if_then_else to mirror scalar code.
7510         (vsx_copysignsf3): Delete, use copysign<mode>3_fcpsgn in
7511         rs6000.md.
7512
7513         * config/rs6000/vector.md (vector_copysign<mode>3): Use UNSPEC
7514         instead of if_then_else.
7515
7516 2010-07-28  Xinliang David Li  <davidxl@google.com>
7517
7518         * tree-ssa-loop-ivopts.c (avg_loop_niter): New function.
7519         (dump_cand): Dump var_before/after.
7520         (htab_inv_expr_eq): New function.
7521         (htab_inv_expr_hash): New function.
7522         (tree_ssa_iv_optimize_init): Support pseudo invariants.
7523         (add_candidate_1): consider base type precision.
7524         (set_use_iv_cost): New parameter.
7525         (adjust_setup_cost): Use profile information.
7526         (get_address_cost): Do not hard code width in computing address
7527         offset limits.
7528         (compare_aff_trees): New function.
7529         (get_loop_invariant_expr_id): New function.
7530         (get_computation_cost_at): New parameter and use profile information.
7531         (get_computation_cost): New parameter.
7532         (determine_use_iv_cost_generic): Pass new parameter.
7533         (determine_use_iv_cost_address): Ditto.
7534         (determine_use_iv_cost_condition): Ditto.
7535         (autoinc_possible_for_pair): Ditto.
7536         (determine_use_iv_costs): More dumps.
7537         (iv_ca_get_num_inv_exprs): New function.
7538         (iv_ca_recount_cost): Consider loop invariants in register pressure
7539         cost.
7540         (iv_ca_add_use): New parameter.
7541         (iv_ca_dump): Better dumping.
7542         (iv_ca_extend): New parameter.
7543         (try_add_cand_for): Attempt to get better partial solution.
7544         (try_improve_iv_set): Pass new parameter to iv_ca_extend.
7545         (create_new-ivs): More dumps.
7546         (rewrite_use_compare): Ditto.
7547         (free_loop_data): More cleanup.
7548         (treee_ssa_iv_optimize_finalize): Ditto.
7549
7550 2010-07-28  Kai Tietz  <kai.tietz@onevision.com>
7551
7552         * config/i386/i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.
7553         * config/i386/i386.c (ix86_profile_before_prologue): New.
7554         (override_options): Add special handling for -mfentry.
7555         (ix86_function_regparm): Likewise.
7556         (ix86_function_sseregparm): Likewise.
7557         (ix86_frame_pointer_required): Likewise.
7558         (ix86_expand_prologue): Check for ms_hook_prologue.
7559         (x86_function_profiler): Adjust mcount output.
7560         (TARGET_PROFILE_BEFORE_PROLOGUE): Define hook.
7561         * config/i386/i386.opt (mfentry): New.
7562         * doc/invoke.texi (mfentry): Add documentation.
7563         * doc/tm.texi: Regenerated..
7564         * doc/tm.texi.in (TARGET_PROFILE_BEFORE_PROLOGUE): New.
7565         * final.c (final_start_function): Replace macro
7566         PROFILE_BEFORE_PROLOGUE by target hook.
7567         * function.c (thread_prologue_and_epilogue_insns): Likewise.
7568         * target.def (profile_before_prologue): New hook.
7569         * targhooks.c (default_profile_before_prologue): New.
7570         * targhooks.h (default_profile_before_prologue): New.
7571
7572 2010-07-28  Jakub Jelinek  <jakub@redhat.com>
7573
7574         PR debug/45105
7575         * gcse.c (hoist_code): Use FOR_BB_INSNS macro.
7576
7577         PR debug/45103
7578         * dwarf2out.c (dwarf2out_var_location): Always consider
7579         NOTE_DURING_CALL_P notes, even when not followed by real instructions.
7580
7581 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
7582
7583         PR rtl-optimization/45107
7584         * gcse.c (hash_scan_set): Use max_distance for gcse-las.
7585
7586 2010-07-28  Richard Guenther  <rguenther@suse.de>
7587
7588         * tree-ssa-ccp.c: Remove comment regarding STORE-CCP.
7589         (set_lattice_value): Do not query an old default value.
7590         (get_value_for_expr): New function.  Properly canonicalize
7591         float values.
7592         (ccp_visit_phi_node): Use it.
7593
7594 2010-07-28  Chung-Lin Tang  <cltang@codesourcery.com>
7595
7596         * config/arm/arm.c (arm_pcs_default): Remove static.
7597         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
7598         __ARM_PCS_VFP to indicate soft/hard-float calling convention.
7599         (arm_pcs_default): Declare.
7600
7601 2010-07-28  Iain Sandoe  <iains@gcc.gnu.org>
7602
7603         * config/rs6000/rs6000.c (rs6000_override_options):
7604         Use TARGET_MACHO inline, move darwin_one_byte_bool from here...
7605         ... to darwin_rs6000_override_options.
7606         (rs6000_return_in_memory): Update preceding comment for darwin
7607         64 bit ABI.  Use TARGET_MACHO inline.
7608         (rs6000_darwin64_struct_check_p): New.
7609         (function_arg_advance): Use rs6000_darwin64_struct_check_p.
7610         (function_arg): Likewise.
7611         (rs6000_arg_partial_bytes): Likewise.
7612         (rs6000_function_value): Likewise.
7613
7614 2010-07-28  Andi Kleen  <ak@linux.intel.com>
7615
7616         * lto-opts.c (lto_file_read_options): Add loop over all inputs.
7617
7618 2010-07-28  Richard Guenther  <rguenther@suse.de>
7619
7620         PR middle-end/44903
7621         * builtins.c (fold_builtin_memory_op): On STRICT_ALIGNMENT
7622         targets try harder to not generate unaligned accesses.
7623
7624 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
7625
7626         PR rtl-optimization/45101
7627         * gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
7628         for gcse-las.
7629
7630 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
7631
7632         PR tree-optimization/44885
7633         * tree-sra.c (find_param_candidates): Skip pointer types to arrays
7634         with non-aliased component.
7635
7636 2010-07-28  Joseph Myers  <joseph@codesourcery.com>
7637
7638         * config/darwin-driver.c (SWITCH_TAKES_ARG,
7639         WORD_SWITCH_TAKES_ARG): Remove.
7640         * cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
7641         * defaults.h (DEFAULT_SWITCH_TAKES_ARG,
7642         DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
7643         (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
7644         definitions from gcc.c.
7645         * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
7646         defaults.h.
7647         * gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
7648         Move to defaults.h.
7649         * opts-common.c: Include tm.h.
7650         (decode_cmdline_option): Use SWITCH_TAKES_ARG and
7651         WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
7652         Handle more than one argument.  Set canonical_option_num_elements.
7653         (decode_cmdline_options_to_array): Set
7654         canonical_option_num_elements and trailing elements of
7655         canonical_option.
7656         * opts.h (struct cl_decoded_option): Allow four elements in
7657         canonical_option.  Add field canonical_option_num_elements.
7658         * Makefile.in (opts-common.o): Update dependencies.
7659
7660 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
7661
7662         PR middle-end/44790
7663         PR middle-end/44993
7664         * expr.c (expand_expr_real_1) <MEM_REF>: Revert latest change.  Make
7665         sure the base has address_mode before adding the offset.
7666
7667 2010-07-27  Xinliang David Li  <davidxl@google.com>
7668
7669         * tree-flow.h (create_mem_ref): Add one new parameter.
7670         * tree-ssa-address.c (create_mem_ref): New parameter.
7671         (addr_to_parts): Ditto.
7672         (move_variant_to_index): New function.
7673         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass new argument.
7674
7675 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
7676
7677         * rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
7678         4 and 5.
7679         * rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
7680         NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
7681         NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
7682         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
7683         CODE_LABELs and NOTEs.
7684         * caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
7685         * combine.c (try_combine): Likewise.
7686         * ira.c (setup_prohibited_mode_move_regs): Likewise.
7687         * print-rtl.c (print_rtx): Start REG_NOTES on a new line.
7688
7689 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
7690
7691         * coretypes.h (struct cl_option_handlers): Declare.
7692         * hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
7693         * hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
7694         * langhooks-def.h (lhd_handle_option): Declare.
7695         (LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
7696         * langhooks.c (lhd_handle_option): New.
7697         * langhooks.h (struct lang_hooks): Update prototype and return
7698         value type of handle_option hook.
7699         * optc-gen.awk: Generate target_flags_explicit definition for the
7700         driver.
7701         * opts-common.c: Include diagnostic.h.
7702         (handle_option): Move from opts.c.  Update prototype and return
7703         value type.  Use handlers structure.
7704         (read_cmdline_option): Move from opts.c.  Update prototype.  Use
7705         handlers structure.
7706         (set_option): Move from opts.c.
7707         * opts.c (common_handle_option): Update prototype and return value
7708         type.  Update calls to handle_option and enable_warning_as_error.
7709         (unknown_option_callback, post_handling_callback,
7710         lang_handle_option, target_handle_option): New.
7711         (handle_option, read_cmdline_option): Move to opts-common.c.
7712         (read_cmdline_options): Update prototype.  Update call to
7713         read_cmdline_option.
7714         (decode_options): Initialize and use handlers structure.
7715         (set_option): Move to opts-common.c.
7716         (enable_warning_as_error): Update prototype.  Update call to
7717         handle_option.
7718         * opts.h (struct cl_option_handler_func, struct
7719         cl_option_handlers): New.
7720         (handle_option, enable_warning_as_error): Update prototypes.
7721         (read_cmdline_option): Declare.
7722         * Makefile.in (opts-common.o): Update dependencies.
7723
7724 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7725
7726         * config/arm/arm.c (params.h): Include.
7727         (arm_override_options): Tune gcse-unrestricted-cost.
7728         * config/arm/t-arm (arm.o): Define dependencies.
7729
7730 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7731
7732         PR target/42495
7733         PR middle-end/42574
7734         * basic-block.h (get_dominated_to_depth): Declare.
7735         * dominance.c (get_dominated_to_depth): New function, use
7736         get_all_dominated_blocks as a base.
7737         (get_all_dominated_blocks): Use get_dominated_to_depth.
7738
7739         * gcse.c (occr_t, VEC (occr_t, heap)): Define.
7740         (hoist_exprs): Remove.
7741         (alloc_code_hoist_mem, free_code_hoist_mem): Update.
7742         (compute_code_hoist_vbeinout): Add debug print outs.
7743         (hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.
7744
7745         * params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
7746         quadratic behavior.
7747         * params.h (MAX_HOIST_DEPTH): New macro.
7748         * doc/invoke.texi (max-hoist-depth): Document.
7749
7750 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7751
7752         PR rtl-optimization/40956
7753         * config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
7754         constants.
7755
7756 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7757
7758         PR target/42495
7759         PR middle-end/42574
7760         * config/arm/arm.c (legitimize_pic_address): Use
7761         gen_calculate_pic_address pattern to emit calculation of PIC address.
7762         (will_be_in_index_register): New function.
7763         (arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
7764         (thumb1_legitimate_address_p): Use it provided !strict_p.
7765         * config/arm/arm.md (calculate_pic_address): New expand and split.
7766
7767 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7768
7769         PR target/42495
7770         PR middle-end/42574
7771         * config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
7772         * config/arm/arm.md (define_split "J", define_split "K"): Make
7773         IRA/reload friendly.
7774
7775 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7776
7777         * gcse.c (insert_insn_end_basic_block): Update signature, remove
7778         unused checks.
7779         (pre_edge_insert, hoist_code): Update.
7780
7781 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7782
7783         PR target/42495
7784         PR middle-end/42574
7785         * gcse.c (hoist_expr_reaches_here_p): Remove excessive check.
7786
7787 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7788
7789         * gcse.c (hoist_code): Generate new pseudo for every new set insn.
7790
7791 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7792
7793         PR rtl-optimization/40956
7794         PR target/42495
7795         PR middle-end/42574
7796         * gcse.c (compute_code_hoist_vbeinout): Consider more expressions
7797         for hoisting.
7798         (hoist_code): Count occurences in current block too.
7799
7800 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7801
7802         * gcse.c (struct expr:max_distance): New field.
7803         (doing_code_hoisting_p): New static variable.
7804         (want_to_gcse_p): Change signature.  Allow constrained hoisting of
7805         simple expressions, don't change behavior for PRE.  Set max_distance.
7806         (insert_expr_in_table): Set new max_distance field.
7807         (hash_scan_set): Update.
7808         (hoist_expr_reaches_here_p): Stop search after max_distance
7809         instructions.
7810         (find_occr_in_bb): New static function.  Use it in ...
7811         (hoist_code): Calculate sizes of basic block before any changes are
7812         done.  Pass max_distance to hoist_expr_reaches_here_p.
7813         (one_code_hoisting_pass): Set doing_code_hoisting_p.
7814
7815         * params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
7816         (PARAM_GCSE_UNRESTRICTED_COST): New parameters.
7817         * params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
7818         macros.
7819         * doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
7820         Document.
7821
7822 2010-07-27  Jeff Law  <law@redhat.com>
7823             Maxim Kuvyrkov  <maxim@codesourcery.com>
7824
7825         * gcse.c (compute_transpout, transpout): Remove, move logic
7826         to prune_expressions.
7827         (compute_pre_data): Move pruning of trapping expressions ...
7828         (prune_expressions): ... here.  New static function.
7829         (compute_code_hoist_data): Use it.
7830         (alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.
7831
7832 2010-07-27  Xinliang David Li  <davidxl@google.com>
7833
7834         * tree-ssa-loop-ivopts.c (adjust_iv_update_pos): New function.
7835         (rewrite_use_address): Adjust iv update position when needed.
7836
7837 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
7838
7839         * dbgcnt.def (hoist_insn): New debug counter.
7840         * gcse.c (hoist_code): Use it.
7841
7842 2010-07-27  Xinliang David Li  <davidxl@google.com>
7843
7844         * tree-ssa-loop-ivopts.c (niter_for_exit): New parameter.
7845         (niter_for_single_dom_exit): Passes additional parameter.
7846         (iv_period): Fix comments.
7847         (may_eliminate_iv): Handles multiple exit loops properly.
7848         (free_tree_niter_desc): New function.
7849         (free_loop_data): Frees up loop iteration descriptors.
7850
7851 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
7852
7853         PR target/44542
7854         * cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
7855         of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
7856         instead of MAX_SUPPORTED_STACK_ALIGNMENT.
7857         (expand_one_var): Don't consider DECL_ALIGN for variables for
7858         which expand_one_stack_var_at has been already called.
7859
7860         PR testsuite/44701
7861         * doc/md.texi: Clarify m and es constraints on PowerPC and m and S
7862         constraints on IA-64.
7863
7864 2010-07-27  Jie Zhang  <jie@codesourcery.com>
7865
7866         PR target/44290
7867         Revert:
7868         2010-07-23  Jie Zhang  <jie@codesourcery.com>
7869
7870         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
7871         false if ! tree_versionable_function_p.
7872
7873 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
7874
7875         * dwarf2out.c (add_data_member_location_attribute): Use
7876         add_AT_unsigned instead of add_AT_int if offset is non-negative.
7877
7878 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
7879
7880         * postreload.c (try_replace_in_use): New static function.
7881         (reload_combine_recognize_const_pattern): Use it here.  Allow
7882         substituting into a final add insn, and substituting into a memory
7883         reference in an insn that sets the reg.
7884
7885 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
7886
7887         * common.opt (o): Add MissingArgError.
7888         * doc/options.texi (MissingArgError): Document.
7889         * hooks.c (hook_bool_constcharptr_size_t_false): Remove.
7890         * hooks.h (hook_bool_constcharptr_size_t_false): Remove.
7891         * langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
7892         (LANG_HOOKS_INITIALIZER): Remove missing_argument hook initializer.
7893         * langhooks.h (struct lang_hooks): Remove missing_argument.
7894         * optc-gen.awk: Handle MissingArgError and output new structure
7895         field initializers.
7896         * opts.c (read_cmdline_option): Use missing_argument_error field
7897         instead of missing_argument langhook.
7898         * opts.h (struct cl_option): Add missing_argument_error field.
7899         * system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.
7900
7901 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
7902
7903         PR target/29090
7904         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
7905         Darwin64 ABI, for zero-sized objects.
7906
7907 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
7908
7909         PR target/35491
7910         PR target/29090
7911
7912         Merge from Apple local 4.2.1.
7913         2005-05-11  Stan Shebs  <shebs@apple.com>
7914         Fix 64-bit varargs for Darwin (Radar 4028089).
7915         * config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
7916         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
7917         Add argument, add case for 8-byte register half-filled with a float.
7918         (rs6000_darwin64_record_arg_advance_recurse): Detect and handle
7919         single-precision floats specially.
7920
7921 2010-07-27  Ira Rosen  <irar@il.ibm.com>
7922
7923         PR tree-optimization/44152
7924         * tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
7925         complex numbers for further check.
7926         (vect_supported_load_permutation_p): Check nodes with
7927         complex numbers.
7928
7929 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
7930
7931         * langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
7932         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
7933         (LANG_HOOKS_INIT_OPTIONS): Update default definition.
7934         (LANG_HOOKS_INITIALIZER): Add new hooks.
7935         * langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
7936         * langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
7937         and complain_wrong_lang_p.  Update init_options prototype.
7938         * c-objc-common.c (c_initialize_diagnostics): First call
7939         c_common_initialize_diagnostics.
7940         * c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
7941         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
7942         * coretypes.h (struct cl_option, struct cl_decoded_option): Declare.
7943         * hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
7944         (hook_uint_void_0): New.
7945         * hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
7946         (hook_uint_void_0): New.
7947         * opts-common.c (decode_cmdline_option,
7948         decode_cmdline_options_to_array): Also fill in canonical_option field.
7949         * opts.c (complain_wrong_lang): Use langhook to determine whether
7950         to complain instead of special-casing LTO.
7951         (decode_options): Separate lang_mask determination with
7952         option_lang_mask hook from call of init_options hook.
7953         * opts.h (struct cl_decoded_option): Add canonical_option.
7954
7955 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
7956
7957         PR tree-optimization/45083
7958         * tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.
7959
7960 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
7961
7962         * postreload.c (reload_combine_recognize_const_pattern): Move test
7963         for limiting the insn movement to the right scope.
7964
7965         PR rtl-optimization/45051
7966         * reload1.c (delete_output_reload): Use refers_to_regno_p rather
7967         than reg_mentioned_p.
7968
7969 2010-07-26  Richard Henderson  <rth@redhat.com>
7970
7971         PR target/44132
7972         * tree-emutls.c: New file.
7973         * Makefile.in (OBJS-common): Add it.
7974         * tree-pass.h (pass_ipa_lower_emutls): Declare.
7975         * passes.c (init_optimization_passes): Add it.
7976
7977         * dwarf2out.c (loc_list_from_tree): If emutls.debug_form_tls_address,
7978         pull the control variable from DECL_VALUE_EXPR, not emutls_decl.
7979         * expr.c (emutls_var_address): Delete.
7980         (expand_expr_addr_expr_1, expand_expr_real_1): Don't use it.
7981         * output.h (SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL): Delete.
7982         (emutls_finish): Delete.
7983         * toplev.c (compile_file): Don't call it.
7984         * tree.h (emutls_decl): Delete.
7985         * varasm.c (emutls_htab, DECL_EMUTLS_VAR_P): Delete.
7986         (emutls_finish, emutls_finalize_control_var): Delete.
7987         (emutls_object_type): Move to tree-emutls.c.
7988         (EMUTLS_SEPARATOR, prefix_name, get_emutls_object_name,
7989         default_emutls_var_fields, get_emutls_object_type,
7990         get_emutls_init_templ_addr, emutls_decl, emutls_common_1
7991         default_emutls_var_init): Likewise.
7992         (get_variable_section): Don't special case emutls.
7993         (assemble_variable, do_assemble_alias, categorize_decl_for_section,
7994         default_elf_select_section, default_unique_section,
7995         default_encode_section_info): Likewise.
7996         * varpool.c (decide_is_variable_needed): Likewise.
7997         * gimple-iterator.c (update_call_edge_frequencies): New
7998         (gsi_insert_on_edge_immediate): Use it.
7999         (gsi_insert_seq_on_edge_immediate): Likewise.
8000         (gsi_commit_one_edge_insert): Likewise.
8001
8002         * config/i386/i386.c (x86_64_elf_select_section): Don't handle
8003         SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL.
8004         (x86_64_elf_unique_section): Likewise.
8005
8006 2010-07-26  Jan Hubicka  <jh@suse.cz>
8007
8008         * lto-streamer.h (struct lto_file_decl_data): Mark resolutions with
8009         GTY((skip)).
8010
8011 2010-07-26  Anatoly Sokolov  <aesok@post.ru>
8012
8013         * target.def (output_source_filename): New hook.
8014         * doc/tm.texi.in (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Document.
8015         * doc/tm.texi: Regenerate.
8016         * toplev.c (output_file_directive) Remove function.
8017         * toplev.h (output_file_directive) Remove.
8018         * output.h (default_asm_output_source_filename,
8019         output_file_directive): Declare.
8020         * varasm.h (default_asm_output_source_filename,
8021         output_file_directive): New functions.
8022
8023         * config/mips/mips.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
8024         * config/mips/mips-protos.h (mips_output_filename): Remove.
8025         * config/mips/mips.c (mips_output_filename): Make Static.
8026         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
8027
8028 2010-07-26  Richard Guenther  <rguenther@suse.de>
8029
8030         PR tree-optimization/43784
8031         * tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
8032         if the destination is used by the call.
8033
8034 2010-07-26  Richard Guenther  <rguenther@suse.de>
8035
8036         PR middle-end/45073
8037         * gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize
8038         SSA updating on being in SSA form.
8039
8040 2010-07-26  Richard Guenther  <rguenther@suse.de>
8041
8042         PR middle-end/45056
8043         * gimple-fold.c (fold_stmt_1): Also fold references in debug stmts.
8044
8045 2010-07-26  Richard Guenther  <rguenther@suse.de>
8046
8047         PR tree-optimization/45071
8048         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Always
8049         adjust op->opcode.
8050
8051 2010-07-26  Naveen.H.S  <naveen.S@kpitcummins.com>
8052
8053         * config/v850/lib1funcs.asm (save_r2_r31, return_r2_r31,
8054         save_r20_r31, return_r20_r31, save_r21_r31, return_r21_r31,
8055         save_r22_r31, return_r22_r31, save_r23_r31, return_r23_r31,
8056         save_r24_r31, return_r24_r31, save_r25_r31, return_r25_r31,
8057         save_r26_r31, return_r26_r31, save_r27_r31, return_r27_r31,
8058         save_r28_r31, return_r28_r31, save_r29_r31, return_r29_r31,
8059         save_r31, return_r31, save_interrupt, return_interrupt,
8060         save_all_interrupt, return_all_interrupt, L_save_r2_r31,
8061         L_return_interrupt, callt_return_interrupt, L_restore_all_interrupt,
8062         L_save_##START##_r31c, L_callt_save_r31c): Updated as per the
8063         new ABI requirements.
8064         (save_r6_r9, L_callt_save_r6_r9): Remove.
8065         * config/v850/predicates.md (even_reg_operand, disp23_operand,
8066         const_float_1_operand const_float_0_operand): New Predicates.
8067         (pattern_is_ok_for_prepare, pattern_is_ok_for_prologue,
8068         pattern_is_ok_for_epilogue): Update as per the ABI requirements.
8069         * config/v850/t-v850: Update multilibs for new target variants.
8070         (save_varargs, callt_save_varargs, callt_save_r6_r9): Remove.
8071         * config/v850/t-v850e: Likewise.
8072         * config/v850/v850.c (v850_issue_rate): New.
8073         (v850_strict_argument_naming): New.
8074         (function_arg): Modify to generate a different ABI.
8075         (print_operand): Update case 'z' to support float modes.
8076         (output_move_single): Modify to generate appropriate and better
8077         assembly.
8078         (v850_float_z_comparison_operator, v850_select_cc_mode,
8079         v850_float_nz_comparison_operator,  v850_gen_float_compare,
8080         v850_gen_compare): New functions to support comparison of float values.
8081         (ep_memory_offset): Add support for V850E2 targets.
8082         (INTERRUPT_FIXED_NUM, INTERRUPT_ALL_SAVE_NUM): Update.
8083         (INTERRUPT_REGPARM_NUM): Remove.
8084         (compute_register_save_size): Add extra case to save/restore long call.
8085         (use_prolog_function): New function to support prologue.
8086         (expand_prologue): Add support for V850E2 targets and modified
8087         as per the current ABI requirements.
8088         (expand_epilogue): Likewise.
8089         (construct_restore_jr): Modify based on TARGET_LONG_CALLS.
8090         (construct_save_jarl): Likewise.
8091         (construct_dispose_instruction): Update as per the current ABI
8092         requirements.
8093         (construct_prepare_instruction): Likewise.
8094         * config/v850/v850.h (TARGET_CPU_DEFAULT): Add target predefines.
8095         (TARGET_CPU_v850e2, TARGET_CPU_v850e2v3): Define
8096         (CPP_SPEC): Updated to support v850e2 targets.
8097         (STRICT_ALIGNMENT): Modified.
8098         (FIRST_PSEUDO_REGISTER): Updated to add even registers.
8099         (FIXED_REGISTERS): Likewise.
8100         (CALL_USED_REGISTERS): Likewise.
8101         (CONDITIONAL_REGISTER_USAGE): Updated.
8102         (HARD_REGNO_MODE_OK): Updated.
8103         (reg_class): Updated to add even registers.
8104         (REG_CLASS_NAMES): Likewise.
8105         (REG_CLASS_CONTENTS): Likewise.
8106         (REGNO_REG_CLASS): Updated for CC registers.
8107         (REG_CLASS_FROM_LETTER): Added support for even registers.
8108         (REGNO_OK_FOR_BASE_P): Updated for CC registers.
8109         (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, LINK_POINTER_REGNUM,
8110         ARG_POINTER_REGNUM): Updated.
8111         (FUNCTION_ARG_ADVANCE): Define.
8112         (REG_PARM_STACK_SPACE): Update as per the current ABI requirements.
8113         (OUTGOING_REG_PARM_STACK_SPACE): Remove.
8114         (EXTRA_CONSTRAINT): Add new constraint 'W' for 23-bit displacement.
8115         (GO_IF_LEGITIMATE_ADDRESS): Updated.
8116         (SELECT_CC_MODE): Define.
8117         (REGISTER_NAMES): Updated to add psw and fcc registers.
8118         (ADDITIONAL_REGISTER_NAMES): Updated.
8119         (ASM_OUTPUT_ADDR_DIFF_ELT): Updated to support new targets.
8120         (JUMP_TABLES_IN_TEXT_SECTION): Updated.
8121         * config/v850/v850.md (define_constants): Define new constants.
8122         (type): Update store,bit1,macc,div,fpu and single attributes.
8123         (cpu): New attribute.
8124         (cc): Add set_z attribute.
8125         (unsign23byte_load, sign23byte_load, unsign23hword_load,
8126         sign23hword_load, 23word_load, 23byte_store, 23hword_store,
8127         23word_store): New instructions for 23-bit displacement load and store.
8128         (movqi_internal, movhi_internal): Update the attributes.
8129         (movsi, movsi_internal_v850e): Updated to support v850e2 targets.
8130         (movsi_internal_v850e, movsi_internal, movsf_internal): Update
8131         the attributes.
8132         (v850_tst1): Modified using CC_REGNUM.
8133         (tstsi): Remove.
8134         (cmpsi): Modified as define_expand from define_insn.
8135         (cmpsi_insn, cmpsf, cmpdf): New instructions.
8136         (addsi3, subsi3, negsi2, divmodsi4, udivmodsi4, divmodhi4,
8137         udivmodhi4, v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3,
8138         v850_set1_1, v850_set1_3, iorsi3, v850_not1_1, v850_not1_3, xorsi3,
8139         one_cmplsi2): Clobber the CC_REGNUM register.
8140         (v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3, v850_set1_1,
8141         v850_set1_2, v850_set1_3, iorsi3, v850_not1_1, v850_not1_2,
8142         v850_not1_3, xorsi3, one_cmplsi2): Update the attributes accordingly.
8143         (setf_insn, set_z_insn, set_nz_insn): New instructions for
8144         v850e2v3 target.
8145         (movsicc_normal_cc, movsicc_reversed_cc): New instructions.
8146         (movsicc, movsicc_normal, movsicc_reversed): Add support for V850E2
8147         targets.
8148         (sasf_1, sasf_2): Remove.
8149         (sasf): New instruction.
8150         (rotlhi3, rotlhi3_8, rotlsi3, rotlsi3_16): Update to support V850E2
8151         targets. CC_REGNUM register is clobbered and attributes are
8152         updated.
8153         (branch_z_normal, branch_z_invert, branch_nz_normal,
8154         branch_nz_invert): New branch related instructions.
8155         (jump): Updated the attributes.
8156         (switch): Update to support new targets. CC_REGNUM register is
8157         clobbered and attributes are updated.
8158         (call_internal_short, call_internal_long, call_value_internal_short,
8159         call_value_internal_long): Updated the attributes.
8160         (zero_extendhisi2, zero_extendqisi2): CC_REGNUM register is
8161         clobbered and attributes are updated.
8162         (extendhisi_insn, extendhisi2, extendqisi_insn, extendqisi2):
8163         Update to support new targets. CC_REGNUM register is clobbered.
8164         (ashlsi3_v850e2, lshrsi3_v850e2, ashrsi3_v850e2): New shift
8165         instructions.
8166         (lshrsi3, ashrsi3): CC_REGNUM register is clobbered and attributes
8167         are updated.
8168         (ffssi2, addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, divsf3,
8169         divdf3, minsf3, mindf3, maxsf3, maxdf3, abssf2, absdf2, negsf2,
8170         negdf2, sqrtsf2, sqrtdf2, truncsfsi2, truncdfsi2, floatsisf2,
8171         floatsidf2, extendsfdf2, extenddfsf2, recipsf2, recipdf2,
8172         rsqrtsf2, rsqrtdf2, maddsf4, msubsf4, nmaddsf4, nmsubsf4,
8173         cmpsf_le_insn, cmpsf_lt_insn, cmpsf_ge_insn, cmpsf_gt_insn,
8174         cmpsf_eq_insn, cmpsf_ne_insn, cmpdf_le_insn, cmpdf_lt_insn,
8175         cmpdf_ge_insn, cmpdf_gt_insn, cmpdf_eq_insn, cmpdf_ne_insn, trfsr,
8176         movsfcc, movdfcc, movsfcc_z_insn, movsfcc_nz_insn, movdfcc_z_insn,
8177         movdfcc_nz_insn, movedfcc_z_zero, movedfcc_nz_zero): New floating
8178         point instructions defined for V850e2v3 target.
8179         (callt_save_interrupt, callt_return_interrupt, return_interrupt):
8180         Add support for V850E2 targets and CC_REGNUM register is clobbered.
8181         (callt_save_all_interrupt, callt_restore_all_interrupt): Add
8182         support for new targets.
8183         * config/v850/v850-modes.def: New file.
8184         * config/v850/v850.opt(mstrict-align): Remove.
8185         (mno-strict-align, mjump-tables-in-data-section, mv850e2,
8186         mv850e2v3): New command line options for V850.
8187         * config.gcc: Update the newly added files.
8188         * doc/invoke.texi: Update the newly added command line options for
8189         V850 target.
8190
8191 2010-07-26  Richard Guenther  <rguenther@suse.de>
8192
8193         PR tree-optimization/45052
8194         * ipa-pure-const.c (check_stmt): Check volatileness.
8195
8196 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8197
8198         PR target/44707
8199         * config/sparc/sparc-protos.h (sparc_legitimize_reload_address): New.
8200         * config/sparc/sparc.c: Include reload.h.
8201         (legitimize_tls_address): Rename into...
8202         (sparc_legitimize_tls_address): ...this.
8203         (legitimize_pic_address): Rename into...
8204         (sparc_legitimize_pic_address): ...this.
8205         (sparc_expand_move): Adjust to above renaming.
8206         (sparc_tls_referenced_p): Likewise.
8207         (sparc_legitimize_tls_address): Likewise.
8208         (sparc_legitimize_pic_address): Likewise.
8209         (sparc_legitimize_address): Likewise.
8210         (sparc_output_mi_thunk): Likewise.
8211         (sparc_legitimize_reload_address): New global function.  Recognize
8212         (lo_sum (high ...) ...) patterns generated by earlier passes.
8213         * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Use above function.
8214
8215 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
8216
8217         PR target/44484
8218         * config/sparc/predicates.md (memory_reg_operand): Delete.
8219         * config/sparc/sync.md (sync_compare_and_swap): Minor tweaks.
8220         (*sync_compare_and_swap): Encode the address form in the pattern.
8221         (*sync_compare_and_swapdi_v8plus): Likewise.
8222
8223 2010-07-24  Gerald Pfeifer  <gerald@pfeifer.com>
8224
8225         * doc/install.texi (Specific, *-*-freebsd*): Adjust to recent changes.
8226         Streamline paragraph on compatibility with the system compiler.
8227
8228 2010-07-24  Steven Bosscher  <steven@gcc.gnu.org>
8229
8230         PR middle-end/45035
8231         * alias.c (true_dependence_1): Fix thinko in merge of old
8232         true_dependence and canon_true_dependence.
8233
8234 2010-07-23  Jan Hubicka  <jh@suse.cz>
8235
8236         * lto-streamer-out.c (write_symbol): Fix visibilities of external
8237         references.
8238
8239 2010-07-23  Le-Chun Wu  <lcwu@google.com>
8240
8241         * omega.c (omega_eliminate_redundant): Remove a self-assign statement.
8242         * tree-ssa-ccp.c (ccp_lattice_meet): Remove a self-assign statement
8243         and an unnecessary assignment.
8244         * dbxout.c (DEBUGGER_ARG_OFFSET): Change OFFSET to OFFSET+0 to avoid
8245         self-assign warning.
8246         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Remove
8247         unnecessary self-init.
8248
8249 2010-07-23  Richard Guenther  <rguenther@suse.de>
8250
8251         PR lto/43071
8252         * gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
8253         for -flto and -fwhopr.
8254
8255 2010-07-23  Kai Tietz  <kai.tietz@onevision.com>
8256
8257         PR target/41943
8258         * Makefile.in (USER_H_INC_NEXT_PRE, USER_H_INC_NEXT_POST): New.
8259         (stmp-int-hdrs): Prefix/postfix headers by include_next.
8260         * config.gcc (user_headers_inc_next_pre): New.
8261         (user_headers_inc_next_post): Likewise.
8262         (*-w64-mingw*): Use for float.h post-fixing, and for
8263         stddef.h/stdarg.h pre-fixing by include_next.
8264         * configure.ac (user_headers_inc_next_post): New.
8265         (user_headers_inc_next_pre): New.
8266         * configure: Regenerated.
8267
8268 2010-07-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8269
8270         * configure.ac: Don't disable TLS on Solaris 8/9 by default
8271         Set tga_func for Solaris 2/x86 resp. SPARC.
8272         Remove duplicate parts of sparc*-sun-solaris2.* TLS check.
8273         (LIB_THREAD_LDFLAGS_SPEC): Define.
8274         (LIB_TLS_SPEC): Define.  Check for required Sun ld version.
8275         * configure: Regenerate.
8276         * config.in: Regenerate.
8277         * config/sol2.h (LIB_SPEC): Use LIB_THREAD_LDFLAGS_SPEC with
8278         -pthread, -threads, LIB_TLS_SPEC with -pthread.
8279         * doc/install.texi (Specific, *-*-solaris2*): Document use of
8280         alternate thread libraries on Solaris 8.
8281         Document TLS patch requirements.
8282         * doc/sourcebuild.texi (Add Options): Sort alphabetically.
8283         Document tls.
8284
8285         PR target/18788
8286         * config/sol2.h (LIB_SPEC): Link with thread libraries even with
8287         -shared.
8288
8289 2010-07-23  Jakub Jelinek  <jakub@redhat.com>
8290
8291         * tree.h (struct tree_base): Add nameless_flag bitfield.
8292         (TYPE_NAMELESS, DECL_NAMELESS): Define.
8293         * omp-low.c (create_omp_child_function, scan_omp_parallel,
8294         scan_omp_task, lower_omp_taskreg): Set DECL_NAMELESS and/or
8295         DECL_ARTIFICIAL where needed.
8296         * dwarf2out.c (dwarf2_name): Return NULL if DECL_NAMELESS.
8297         (type_tag): Return NULL if TYPE_NAMELESS or if TYPE_DECL
8298         has DECL_NAMELESS set.
8299
8300 2010-07-23  Martin Jambor  <mjambor@suse.cz>
8301
8302         PR tree-optimization/44915
8303         * ipa-cp.c (cgraph_gate_cp): Also check that optimize is true.
8304         * ipa-inline.c (cgraph_mark_inline_edge): Likewise.
8305         (analyze_function): Likewise.
8306
8307 2010-07-23  Martin Jambor  <mjambor@suse.cz>
8308
8309         PR tree-optimization/44914
8310         * tree-sra.c (sra_modify_function_body): Return true if CFG was
8311         changed, add purging dead eh edges.
8312         (ipa_sra_modify_function_body): Return true if CFG was changed,
8313         simplify purging dead eh edges.
8314         (modify_function): Return true if CFG was changed.
8315         (perform_intra_sra): Add TODO_cleanup_cfg to the return value if CFG
8316         was changed.
8317         (ipa_early_sra): Likewise.
8318
8319 2010-07-23  Jie Zhang  <jie@codesourcery.com>
8320
8321         PR target/44290
8322         * attribs.c (decl_attributes): Insert "noinline" and "noclone"
8323         if "naked".
8324         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
8325         false if ! tree_versionable_function_p.
8326
8327 2010-07-23  Nathan Froyd  <froydnj@codesourcery.com>
8328
8329         * builtins.def (BUILT_IN_ARGS_INFO): Remove.
8330         * ipa-pure-const.c (special_builtlin_state): Remove
8331         BUILT_IN_ARGS_INFO case.
8332         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
8333         * builtins.c (expand_builtin): Likewise.
8334         (expand_builtin_args_info): Remove.
8335         * doc/tm.texi (__builtin_args_info): Remove.
8336         (__builtin_next_arg): Adjust to not refer to __builtin_args_info.
8337         * doc/tm.text.in: Likewise.
8338
8339 2010-07-23  Richard Guenther  <rguenther@suse.de>
8340
8341         * lto-symtab.c (lto_symtab_merge): Use gtc_mode enum values.
8342         (lto_symtab_merge_decls_2): Likewise.
8343         * tree-ssa.c (useless_type_conversion_p): Likewise.
8344         * lto-streamer-in.c (input_gimple_stmt): Likewise.
8345         * gimple.c (gtc_visited2, gtc_ob2): Remove.
8346         (struct type_pair_d): Make same_p an array indexed by mode.
8347         Update comment.
8348         (lookup_type_pair): Update initialization.
8349         (struct sccs): Adjust same_p type.
8350         (gimple_types_compatible_p_1, gtc_visit, gimple_types_compatible_p):
8351         Adjust.
8352         (print_gimple_types_stats): Likewise.
8353         * gimple.h (enum gtc_mode): New.
8354         (gimple_types_compatible_p): Adjust prototype.
8355
8356 2010-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
8357
8358         * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
8359         again after processing insn.
8360
8361 2010-07-23  Jie Zhang  <jie@codesourcery.com>
8362
8363         * tree-sra.c (ipa_sra_preliminary_function_checks): Dump
8364         proper words when !tree_versionable_function_p.
8365
8366 2010-07-23  Richard Guenther  <rguenther@suse.de>
8367
8368         PR tree-optimization/45037
8369         * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base.
8370
8371 2010-07-23  Jie Zhang  <jie@codesourcery.com>
8372
8373         * doc/extend.texi: Remove IP2K from the description of naked attribute.
8374         Add MCORE instead.
8375
8376 2010-07-10  Andi Kleen  <ak@linux.intel.com>
8377
8378         PR lto/44992
8379         * lto-opts.c (lto_write_options): Add NULL file_data argument to
8380         lto_get_section_name.
8381         * lto-section-out.c (lto_destroy_simple_output_block): Likewise.
8382         * lto-streamer-out.c (produce_asm): Likewise.
8383         (copy_function): Likewise.
8384         (produce_symtab): Likewise.
8385         (produce_asm_for_decls): Likewise.
8386         * lto-streamer.c (lto_get_section_name): Add file_data argument.
8387         Rewrite to add random postfix to LTO sections.
8388         * lto-streamer.h (lto_file_decl_data): Add next, id, resolutions.
8389         (lto_get_section_name): Add file_data argument to prototype.
8390
8391 2010-07-10  Andi Kleen  <ak@linux.intel.com>
8392
8393         * lto-section-in.c (lto_section_name): Synchronize names
8394         with lto_get_section_name.
8395
8396 2010-07-10  Andi Kleen  <ak@linux.intel.com>
8397
8398         * lto-opts.c (lto_read_file_options): Check for missing section.
8399
8400 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
8401
8402         * ira.c (check_allocation): Correctly handle the case where an allocno
8403         with two objects was allocated to a single reg.
8404
8405 2010-07-22  Richard Sandiford  <rdsandiford@googlemail.com>
8406
8407         * tree-ssa-math-opts.c (is_widening_mult_rhs_p): New function.
8408         (is_widening_mult_p): Likewise.
8409         (convert_to_widen): Use them.
8410         (convert_plusminus_to_widen): Likewise.  Handle fixed-point types as
8411         well as integer ones.
8412
8413 2010-07-22  Steven Bosscher  <steven@gcc.gnu.org>
8414
8415         * alias.c (true_dependence_1): New function, merged version of
8416         true_dependence and canon_true_dependence.
8417         (true_dependence): Simplify.
8418         (canon_true_dependence): Simplify.
8419
8420 2010-07-22  Richard Henderson  <rth@redhat.com>
8421
8422         PR target/45027
8423         * config/i386/i386.c (setup_incoming_varargs_64): Force the use
8424         of V4SFmode for the SSE saves; increase stack alignment if needed.
8425         (ix86_gimplify_va_arg): Don't increase stack alignment here.
8426
8427 2010-07-22  Jakub Jelinek  <jakub@redhat.com>
8428
8429         PR bootstrap/45028
8430         * recgprop.c (copyprop_hardreg_forward_1): If changed is true,
8431         call cprop_find_used_regs again via note_uses.
8432
8433 2010-07-22  Eric Botcazou  <ebotcazou@adacore.com>
8434
8435         * alias.c (get_alias_set): Fix formatting issues.
8436
8437 2010-07-22  Steve Ellcey  <sje@cup.hp.com>
8438
8439         PR middle-end/44878
8440         * stmt.c (expand_value_return):  Call promote_function_mode with
8441         a for_return argument of 2 when returning by reference.
8442
8443 2010-07-22  Dodji Seketeli  <dodji@redhat.com>
8444
8445         PR debug/45024
8446         * dwarf2out.c (scope_die_for): Don't fall back to the compilation
8447         unit DIE if we can find the scope DIE.
8448
8449 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
8450
8451         * ira-build.c (ira_create_object): New arg SUBWORD; all callers
8452         changed.  Initialize OBJECT_SUBWORD.
8453         (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
8454         (ira_create_allocno_objects): Renamed from ira_create_allocno_object;
8455         all callers changed.
8456         (merge_hard_reg_conflicts): Iterate over allocno subobjects.
8457         (finish_allocno): Likewise.
8458         (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
8459         (remove_low_level_allocnos): Likewise.
8460         (update_bad_spill_attribute): Likewise.
8461         (setup_min_max_allocno_live_range_point): Likewise.
8462         (sort_conflict_id_map): Likewise.
8463         (ira_flattening): Likewise.  Use ior_hard_reg_conflicts.
8464         (ior_hard_reg_conflicts): New function.
8465         (ior_allocate_object_conflicts): Renamed first argument to OBJ.
8466         (compress_conflict_vecs): Iterate over objects, not allocnos.
8467         (ira_add_live_range_to_object): New function.
8468         (object_range_compare_func): Renamed from allocno_range_compare_func.
8469         All callers changed.
8470         (setup_min_max_conflict_allocno_ids): For allocnos with multiple
8471         subobjects, widen the min/max range of the lowest-order object to
8472         potentially include all other such low-order objects.
8473         * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
8474         (check_allocation): Likewise.  Use more fine-grained tests for register
8475         conflicts.
8476         * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
8477         allocno subobjects.
8478         (assign_hard_reg): Keep multiple sets of conflicts.  Make finer-grained
8479         choices about which bits to set in each set.  Don't use
8480         ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
8481         using the multiple sets we computed.
8482         (push_allocno_to_stack): Iterate over allocno subobjects.
8483         (all_conflicting_hard_regs_coalesced): New static function.
8484         (setup_allocno_available_regs_num): Use it.
8485         (setup_allocno_left_conflicts_size): Likewise.  Iterate over allocno
8486         subobjects.
8487         (coalesced_allocno_conflict): Test subobject 0 in each allocno.
8488         (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
8489         by ALLOCNO_NUM_OBJECTS.
8490         (calculate_spill_cost): Likewise.
8491         (color_pass): Express if statement in a more normal way.
8492         (ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
8493         (slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
8494         (setup_slot_coalesced_allocno_live_ranges): Likewise.
8495         (allocno_reload_assign): Likewise.
8496         (ira_reassign_pseudos): Likewise.
8497         (fast_allocation): Likewise.
8498         * ira-conflicts.c (build_conflict_bit_table): Likewise.
8499         (print_allocno_conflicts): Likewise.
8500         (ira_build_conflicts): Likewise.
8501         (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p.  All
8502         callers changed.  Test subword 0 of each allocno for conflicts.
8503         (build_object_conflicts): Renamed from build_allocno_conflicts.  All
8504         callers changed.  Iterate over allocno subobjects.
8505         * ira-emit.c (modify_move_list): Iterate over allocno subobjects.
8506         * ira-int.h (struct ira_allocno): New member: num_objects.
8507         Rename object to objects and change it into an array.
8508         (ALLOCNO_OBJECT): Add new argument N.
8509         (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
8510         (ira_create_allocno_objects): Renamed from ira_create_allocno_object.
8511         (ior_hard_reg_conflicts): Declare.
8512         (ira_add_live_range_to_object): Declare.
8513         (ira_allocno_object_iterator): New.
8514         (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
8515         (FOR_EACH_ALLOCNO_OBJECT): New macro.
8516         * ira-lives.c (objects_live): Renamed from allocnos_live; all
8517         uses changed.
8518         (allocnos_processed): New sparseset.
8519         (make_object_born): Renamed from make_allocno_born; take an
8520         ira_object_t argument.  All callers changed.
8521         (make_object_dead): Renamed from make_allocno_dead; take an
8522         ira_object_t argument.  All callers changed.
8523         (update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
8524         All callers changed.
8525         (mark_pseudo_regno_live): Iterate over allocno subobjects.
8526         (mark_pseudo_regno_dead): Likewise.
8527         (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
8528         functions.
8529         (mark_ref_live): Detect subword accesses and call
8530         mark_pseudo_regno_subword_live as appropriate.
8531         (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
8532         (process_bb_nodes_live): Deal with object-related updates first; set
8533         and test bits in allocnos_processed to avoid computing allocno
8534         statistics more than once.
8535         (create_start_finish_chains): Iterate over objects, not allocnos.
8536         (print_object_live_ranges): New function.
8537         (print_allocno_live_ranges): Use it.
8538         (ira_create_allocno_live_ranges): Allocate and free allocnos_processed
8539         and objects_live.
8540
8541 2010-07-22  Richard Guenther  <rguenther@suse.de>
8542
8543         PR lto/42451
8544         * gimple.c (gtc_next_dfs_num): New global.
8545         (struct sccs): Make value a union, add integer same_p member.
8546         (gtc_visit): New function.
8547         (gimple_types_compatible_p_1): New function, split out from ...
8548         (gimple_types_compatible_p): ... here.  Start a DFS walk here.
8549         (iterative_hash_gimple_type): Adjust for sccs change.
8550
8551 2010-07-22  Martin Jambor  <mjambor@suse.cz>
8552
8553         PR tree-optimization/44891
8554         * tree-sra.c: Include gimple-pretty-print.h.
8555         (replace_uses_with_default_def_ssa_name): Renamed to
8556         get_repl_default_def_ssa_name, return the new SSA name instead of
8557         replacing the old one.
8558         (sra_modify_assign): Dump a message when removing a load, if the LHS
8559         is an SSA_NAME, do not do any propagation, just set the RHS to a
8560         default definition SSA NAME, type convert if necessary.
8561         * Makefile.in (tree-sra.o): Add gimple-pretty-print.h to dependencies.
8562
8563 2010-07-22  Richard Guenther  <rguenther@suse.de>
8564
8565         PR tree-optimization/45017
8566         * tree-ssa-sccvn.c (vn_reference_eq): Make sure we honor
8567         TYPE_PRECISION of integral types in addition to size.
8568
8569 2010-07-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
8570
8571         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Default to GLIBC
8572         when no C library is specified.
8573
8574 2010-07-22  Martin Jambor  <mjambor@suse.cz>
8575
8576         * ipa-prop.h (struct ipa_node_params): Updated comment.
8577         (struct ipa_edge_args): Likewise.
8578         * Makefile.in (ipa-prop.o): Remove bogus $(GIMPLE_FOLD_H) dependency.
8579
8580 2010-07-22  Martin Jambor  <mjambor@suse.cz>
8581
8582         * cgraphunit.c (verify_edge_count_and_frequency): New function.
8583         (verify_cgraph_node): Verify frequencies of indirect edges.
8584         * tree-inline.c (tree_function_versioning): Update frequencies of
8585         indirect edges.
8586
8587 2010-07-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8588
8589         PR target/43698
8590         * config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
8591         Set *arm_rev to be predicable.
8592
8593 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
8594
8595         * config/darwin.h (LINK_COMMAND_SPEC): Split into...
8596         (LINK_COMMAND_SPEC_A): New.
8597         (DSYMUTIL): New.
8598         (DSYMUTIL_SPEC): New.
8599         * config/darwin9.h (LINK_COMMAND_SPEC): Remove.
8600         (DSYMUTIL_SPEC): Update for darwin >= 9 requirements.
8601
8602 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
8603
8604         * calls.c (load_register_parameters): Move check for zero
8605         sized items so that only the call to
8606         mem_overlaps_already_clobbered_arg_p () is protected.
8607
8608 2010-07-22  Jan Hubicka  <jh@suse.cz>
8609
8610         * ipa-pure-const.c (varying_state): Break out from ...
8611         (get_function_state): ... here; always return varying_state
8612         when state would be NULL otherwise.
8613         (remove_node_data): Do not free varying state.
8614
8615 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
8616
8617         PR bootstrap/44970
8618         PR middle-end/45009
8619         * postreload.c: Include "target.h".
8620         (reload_combine_closest_single_use): Don't take DEBUG_INSNs
8621         into account.
8622         (fixup_debug_insns): Don't copy the rtx.
8623         (reload_combine_recognize_const_pattern): DEBUG_INSNs can't have uses.
8624         Don't copy when replacing.  Call fixup_debug_insns in the case where
8625         we merged one add with another.
8626         (reload_combine_recognize_pattern): Fail if there aren't any uses.
8627         Try harder to determine whether we're picking a valid index register.
8628         Don't set store_ruid for an insn we're going to scan in the
8629         next iteration.
8630         (reload_combine): Remove unused code.
8631         (reload_combine_note_use): When updating use information for
8632         an old insn, ignore a use that occurs after store_ruid.
8633         * Makefile.in (postreload.o): Update dependencies.
8634
8635         * function.c (record_hard_reg_sets): Restrict the previous change
8636         to cases where the incoming nominal mode is the same as the
8637         incoming promoted mode and everything happens in MODE_INT.
8638
8639 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
8640
8641         PR debug/45015
8642         * var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
8643         ASM_OPERANDS_OUTPUT_IDX.
8644         (adjust_insn): For inline asm with multiple sets ensure first
8645         ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
8646         the insn.
8647
8648 2010-07-21  Richard Henderson  <rth@redhat.com>
8649
8650         * config/i386/i386.c (setup_incoming_varargs_64): Emit a simple
8651         comparison for avoiding xmm register saves.  Emit the xmm register
8652         saves explicitly.
8653         * config/i386/i386.md (UNSPEC_SSE_PROLOGUE_SAVE): Remove.
8654         (UNSPEC_SSE_PROLOGUE_SAVE_LOW): Remove.
8655         (sse_prologue_save, sse_prologue_save_insn1, sse_prologue_save_insn):
8656         Remove patterns and the associated splitters.
8657
8658 2010-07-21  Changpeng Fang  <changpeng.fang@amd.com>
8659
8660         * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real
8661         and imagine parts of a complex, so that they can have the same
8662         base and fall into the same group.
8663
8664 2010-07-21  Richard Guenther  <rguenther@suse.de>
8665
8666         PR lto/45018
8667         * tree.c (find_decls_types_r): Do not follow TREE_CHAIN
8668         of TYPE_DECLs.  Do not follow TYPE_NEXT_VARIANT,
8669         TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.
8670
8671 2010-07-21  Martin Jambor  <mjambor@suse.cz>
8672
8673         PR tree-optimization/44900
8674         * tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
8675         (sra_modify_assign): Move gsi to the next statmenent unconditionally.
8676
8677 2010-07-21  Bernd Schmidt  <bernds@codesourcery.com>
8678
8679         PR middle-end/44738
8680         * tree-ssa.c (warn_uninit): Avoid emitting an unnecessary message.
8681
8682 2010-07-21  Richard Guenther  <rguenther@suse.de>
8683
8684         PR middle-end/45013
8685         * tree-ssa.c (useless_type_conversion_p): Dispatch to
8686         gimple_types_compatible_p only when in lto.
8687         * gimple.c (gimple_types_compatible_p): Use canonical types
8688         to speed up comparison.
8689
8690 2010-07-21  Richard Guenther  <rguenther@suse.de>
8691
8692         * tree-flow.h (referenced_var): Move define ...
8693         * tree-flow-inline.h (referenced_var): ... here as an inline
8694         function.  Assert here ...
8695         * tree-dfa.c (referenced_var_lookup): ... instead of here.
8696         * tree-ssa.c (maybe_optimize_var): Check if the variable
8697         is in referenced vars.
8698         (execute_update_addresses_taken): Remove old broken check.
8699         * gimple-pretty-print.c (pp_points_to_solution): Use
8700         referenced_var_lookup.
8701         * tree-into-ssa.c (dump_decl_set): Likewise.
8702
8703 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
8704
8705         PR debug/45003
8706         * var-tracking.c (reverse_op): Also handle {SIGN,ZERO}_EXTEND of a MEM.
8707         * dwarf2out.c (loc_descriptor): Don't handle SIGN_EXTEND nor
8708         ZERO_EXTEND here.
8709
8710 2010-07-20  Richard Henderson  <rth@redhat.com>
8711
8712         * vxworks.c (vxworks_emutls_var_fields): Pass locus to build_decls.
8713
8714 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
8715
8716         * config/arm/arm.md (thumb1_addsi3): Add alternative and split for
8717         computing the sum of the stack pointer and a large constant.
8718         * config/arm/constraints.md (M): Remove superfluous parentheses.
8719         (Pc): New constraint.
8720
8721 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
8722
8723         PR debug/45006
8724         * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
8725         operand's type if exp is tcc_unary class tree.
8726
8727 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
8728
8729         * config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
8730         Reverse sense of if_then_else condition.
8731
8732 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
8733
8734         * config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
8735         * config/rs6000/rs6000.c (rs6000_override_options): Set
8736         rs6000_block_move_inline_limit appropriately.
8737         (expand_block_move): Use rs6000_block_move_inline_limit.
8738         * doc/invoke.texi (mblock-move-inline-limit): Document.
8739
8740 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
8741
8742         * postreload.c (fixup_debug_insns): Remove arg REGNO.  New args
8743         FROM and TO.  All callers changed.  Don't look for tracked uses,
8744         just scan the RTL for DEBUG_INSNs and substitute.
8745         (reload_combine_recognize_pattern): Call fixup_debug_insns.
8746         (reload_combine): Ignore DEBUG_INSNs.
8747
8748 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
8749
8750         * var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
8751         depth to 8 from 5.
8752
8753         PR debug/45003
8754         * cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
8755         or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type
8756         instead of the result's type.
8757
8758 2010-07-20  Richard Guenther  <rguenther@suse.de>
8759
8760         PR tree-optimization/44977
8761         * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
8762         SSA form.
8763
8764 2010-07-20  Richard Guenther  <rguenther@suse.de>
8765
8766         * lto-symtab.c (lto_symtab_merge): Use gimple_types_compatible_p.
8767         (lto_symtab_merge_decls_2): Likewise.
8768         * gimple.h (gimple_types_compatible_p): Declare.
8769         * gimple.c (gimple_queue_type_fixup): Remove.
8770         (gimple_fixup_complete_and_incomplete_subtype_p): Likewise.
8771         (gimple_compatible_complete_and_incomplete_type_p): New function.
8772         (gimple_types_compatible_p): Adjust.
8773         (gimple_register_type): Remove type fixup code.
8774         (print_gimple_types_stats): Adjust.
8775         (free_gimple_type_tables): Likewise.
8776         * lto-streamer-in.c (input_gimple_stmt): Use gimple_types_compatible_p.
8777         * tree-ssa.c (useless_type_conversion_p): Likewise.
8778
8779 2010-07-20  Richard Guenther  <rguenther@suse.de>
8780
8781         PR middle-end/44971
8782         PR middle-end/44988
8783         * tree-ssa.c (maybe_optimize_var): New function split out from ...
8784         (execute_update_addresses_taken): ... here.
8785         (non_rewritable_mem_ref_base): Likewise.
8786         (execute_update_addresses_taken): Do not iterate over all referenced
8787         vars but just all local decls and parms.
8788         Properly check call and asm arguments and rewrite call arguments.
8789
8790 2010-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>
8791
8792         * config.gcc (LIBC_GLIBC, LIBC_UCLIBC, LIBC_BIONIC): Move constants
8793         to top level.
8794         * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Move Android-specific
8795         definitions ...
8796         * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): ... here.
8797         New macro.
8798         * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Use it.
8799
8800 2010-07-19  Richard Sandiford  <rdsandiford@googlemail.com>
8801
8802         * gengtype.c (start_root_entry): New function, split out from
8803         write_root.  Check whether V is null and raise an error if so.
8804         (write_field_root): Check for V being null.  Don't raise an error here;
8805         set V to null instead.
8806         (write_root): Update comment above function.  Use start_root_entry.
8807
8808 2010-07-19  Xinliang David Li  <davidxl@google.com>
8809
8810         PR testsuite/44932
8811         * tree-ssa-uninit.c (collect_phi_def_edges): Fix bug collecting
8812         def edges.
8813         (find_uninit_use): Add dump.
8814         (is_use_properly_guarded): Ditto.
8815         (warn_uninitialized_phi): Ditto.
8816         (execute_late_warn_uninitialized): Ditto.
8817
8818 2010-07-19  Richard Guenther  <rguenther@suse.de>
8819
8820         PR middle-end/44941
8821         * expr.c (emit_block_move_hints): Move zero size check first.
8822         Move asserts to more useful places.
8823         * calls.c (load_register_parameters): Check for zero size.
8824
8825 2010-07-19  Richard Henderson  <rth@redhat.com>
8826
8827         * tree-optimize.c (execute_all_early_local_passes): New.  Change
8828         cgraph_state here ...
8829         (execute_early_local_optimizations): ... not here.  Remove.
8830         (pass_early_local_passes, pass_all_early_optimizations): Update.
8831
8832 2010-07-19  Bernd Schmidt  <bernds@codesourcery.com>
8833
8834         * postreload.c (reload_combine_closest_single_use): Ignore the
8835         number of uses for DEBUG_INSNs.
8836         (fixup_debug_insns): New static function.
8837         (reload_combine_recognize_const_pattern): Use it.  Don't let the
8838         main loop be affected by DEBUG_INSNs.
8839         Really disallow moving adds past a jump insn.
8840         (reload_combine_recognize_pattern): Don't update use_ruid here.
8841         (reload_combine_note_use): Do it here.
8842         (reload_combine): Use control_flow_insn_p rather than JUMP_P.
8843
8844 2010-07-19  Bingfeng Mei  <bmei@broadcom.com>
8845
8846         * ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
8847         of a loop.
8848         * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.
8849
8850 2010-07-19  Iain Sandoe  <iains@gcc.gnu.org>
8851
8852         * config/i386/darwin.h: Define darwin_emit_branch_islands.
8853         (TARGET_MACHO_BRANCH_ISLANDS): New.
8854         (FUNCTION_PROFILER): Use TARGET_MACHO_BRANCH_ISLANDS.
8855         * config/i386/i386.h (TARGET_MACHO_BRANCH_ISLANDS): Define a
8856         default value.
8857         * config/i386/i386.c (output_pic_addr_const): Do not emit
8858         branch islands unless TARGET_MACHO_BRANCH_ISLANDS is set.
8859         (x86_output_mi_thunk): Adjust symbol creation.
8860         * config/rs6000/darwin.h: Define darwin_emit_branch_islands.
8861         Remove out of date comment.
8862         * config/rs6000/rs6000.c (print_operand): Adjust symbol.
8863         (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
8864         (DARWIN_GENERATE_ISLANDS): Ditto.
8865         (output_call):  Do not emit branch islands unless
8866         darwin_emit_branch_islands is set.
8867         * config/darwin.c: Declare darwin_emit_branch_islands.
8868         (machopic_indirect_data_reference): Do not emit unless
8869         darwin_emit_branch_islands is set.
8870         (darwin_override_options): Set darwin_emit_branch_islands
8871         where it is needed.
8872         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
8873
8874 2010-07-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8875
8876         * doc/sourcebuild.texi (Effective-Target Keywords): Document
8877         sse_runtime, sse2_runtime.
8878
8879 2010-07-18  Richard Sandiford  <rdsandiford@googlemail.com>
8880
8881         * config/mips/mips.c (mips16_build_call_stub): Zero-extend the
8882         low half of a single-register SCmode return value before ORing
8883         it with the high half.
8884         * config/mips/mips16.S (MERGE_GPRf): Likewise.
8885
8886 2010-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8887
8888         PR target/44805
8889         * config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
8890         on all targets.
8891
8892 2010-07-17  Bernd Schmidt  <bernds@codesourcery.com>
8893
8894         PR target/42235
8895         * postreload.c (reload_cse_move2add): Return bool, true if anything.
8896         changed.  All callers changed.
8897         (move2add_use_add2_insn): Likewise.
8898         (move2add_use_add3_insn): Likewise.
8899         (reload_cse_regs): If reload_cse_move2add changed anything, rerun
8900         reload_combine.
8901         (RELOAD_COMBINE_MAX_USES): Bump to 16.
8902         (last_jump_ruid): New static variable.
8903         (struct reg_use): New members CONTAINING_MEM and RUID.
8904         (reg_state): New members ALL_OFFSETS_MATCH and REAL_STORE_RUID.
8905         (reload_combine_split_one_ruid, reload_combine_split_ruids,
8906         reload_combine_purge_insn_uses, reload_combine_closest_single_use
8907         reload_combine_purge_reg_uses_after_ruid,
8908         reload_combine_recognize_const_pattern): New static functions.
8909         (reload_combine_recognize_pattern): Verify that ALL_OFFSETS_MATCH
8910         is true for our reg and that we have available index regs.
8911         (reload_combine_note_use): New args RUID and CONTAINING_MEM.  All
8912         callers changed.  Use them to initialize fields in struct reg_use.
8913         (reload_combine): Initialize last_jump_ruid.  Be careful when to
8914         take PREV_INSN of the scanned insn.  Update REAL_STORE_RUID fields.
8915         Call reload_combine_recognize_const_pattern.
8916         (reload_combine_note_store): Update REAL_STORE_RUID field.
8917
8918 2010-07-16  Jason Merrill  <jason@redhat.com>
8919
8920         * Makefile.in (opts-common.o): Depend on options.h.
8921
8922 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
8923
8924         * tree.c (build_common_builtin_nodes): Use build_function_type_list
8925         instead of build_function_type.
8926         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8927         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
8928
8929 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
8930
8931         * config/rs6000/rs6000.c (rs6000_emit_sISEL): Let rs6000_emit_int_cmove
8932         do all the work.
8933         (rs6000_emit_int_cmove): Use function pointers for insn generation.
8934         Don't force values into registers unnecessarily.
8935         (output_isel): Assert that we're not given conditions we can't handle.
8936         Delete corresponding code.
8937         * config/rs6000/rs6000.md (isel_signed_<mode>): Use
8938         scc_comparison_operator constraint.  Permit 0 for the consequent
8939         operand.  Permit any GPR for the alternative operand.
8940         (isel_unsigned_<mode>): Likewise.
8941
8942 2010-07-16  Jakub Jelinek  <jakub@redhat.com>
8943
8944         PR target/44942
8945         * config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
8946         argument to const_tree.
8947         * config/i386/i386.c (function_arg_advance): If padding needs to be
8948         inserted before argument, increment cum->words by number of padding
8949         words as well.
8950         (contains_aligned_value_p): Change argument to const_tree.
8951         (ix86_function_arg_boundary): Change second argument to const_tree.
8952
8953 2010-07-16  Bernd Schmidt  <bernds@codesourcery.com>
8954
8955         PR target/42235
8956         * function.c (record_hard_reg_sets): New static function.
8957         (assign_parm_setup_reg): If an optab for extending exists and the
8958         generated code clobbbers no hard regs, emit the insn directly and
8959         create a REG_EQUIV note.
8960
8961 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
8962
8963         * c-decl.c (detect_field_duplicates): Use DECL_CHAIN insted of
8964         TREE_CHAIN.
8965         * c-typeck.c (push_init_level): Likewise.
8966         (process_init_element): Likewise.
8967
8968 2010-07-15  Anatoly Sokolov  <aesok@post.ru>
8969
8970         * tree.h (enum tree_index): Add TI_INTEGER_THREE.
8971         (integer_three_node): Add.
8972         * tree.c (build_common_tree_nodes_2): Use integer_type_node insead of
8973         NULL_TREE in build_int_cst calls. Initialize the integer_three_node.
8974         * builtins.c (expand_builtin_prefetch): Use common tree nodes instead
8975         of call build_int_cst.
8976         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ditto.
8977         * tree-ssa-loop-ivopts.c (idx_find_step): Ditto.
8978         (find_interesting_uses_address): Ditto.
8979         * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Ditto.
8980         * tree-eh.c (lower_eh_constructs_2): Ditto.
8981         * tree-vect-loop.c (get_initial_def_for_induction): Ditto.
8982         * c-typeck.c (really_start_incremental_init, push_init_level): Ditto.
8983         * expmed.c (expand_divmod): Ditto.
8984         * tree-mudflap.c (mx_register_decls): Ditto.
8985         * varasm.c (array_size_for_constructor): Ditto.
8986         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
8987         * c-parser.c (c_parser_postfix_expression): Ditto.
8988
8989 2010-07-15  Bernd Schmidt  <bernds@codesourcery.com>
8990
8991         * postreload.c (last_label_ruid, first_index_reg, last_index_reg):
8992         New static variables.
8993         (reload_combine_recognize_pattern): New static function, broken out
8994         of reload_combine.
8995         (reload_combine): Use it.  Only initialize first_index_reg and
8996         last_index_reg once.
8997
8998 2010-07-15  Richard Henderson  <rth@redhat.com>
8999
9000         * cgraphunit.c (cgraph_build_static_cdtor): Clear current_function_decl
9001         when done.
9002
9003 2010-07-15  Jan Hubicka  <jh@suse.cz>
9004
9005         * lto-symtab.c (lto_symtab_resolve_symbols): Remove hack handling
9006         comdats for broken gold.
9007         (lto_sy mtab_merge_decls_1): Set used_from_object_file correctly.
9008
9009 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
9010
9011         * tree.h (TREE_RTL_OPERAND_CHECK): Delete.
9012
9013 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
9014
9015         * tree.h (DECL_CHAIN): Define.
9016         * alias.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
9017         * c-decl.c: Likewise.
9018         * c-parser.c: Likewise.
9019         * c-typeck.c: Likewise.
9020         * cfgexpand.c: Likewise.
9021         * cgraph.c: Likewise.
9022         * cgraphunit.c: Likewise.
9023         * combine.c: Likewise.
9024         * config/alpha/alpha.c: Likewise.
9025         * config/arm/arm.c: Likewise.
9026         * config/frv/frv.c: Likewise.
9027         * config/i386/i386.c: Likewise.
9028         * config/i386/winnt-cxx.c: Likewise.
9029         * config/ia64/ia64.c: Likewise.
9030         * config/iq2000/iq2000.c: Likewise.
9031         * config/mep/mep.c: Likewise.
9032         * config/mips/mips.c: Likewise.
9033         * config/pa/som.h: Likewise.
9034         * config/rs6000/rs6000.c: Likewise.
9035         * config/s390/s390.c: Likewise.
9036         * config/sh/sh.c: Likewise.
9037         * config/sh/symbian-cxx.c: Likewise.
9038         * config/sparc/sparc.c: Likewise.
9039         * config/spu/spu.c: Likewise.
9040         * config/stormy16/stormy16.c: Likewise.
9041         * config/vxworks.c: Likewise.
9042         * config/xtensa/xtensa.c: Likewise.
9043         * coverage.c: Likewise.
9044         * dbxout.c: Likewise.
9045         * dwarf2out.c: Likewise.
9046         * emit-rtl.c: Likewise.
9047         * expr.c: Likewise.
9048         * function.c: Likewise.
9049         * gimple-low.c: Likewise.
9050         * gimple-pretty-print.c: Likewise.
9051         * gimplify.c: Likewise.
9052         * integrate.c: Likewise.
9053         * ipa-inline.c: Likewise.
9054         * ipa-prop.c: Likewise.
9055         * ipa-split.c: Likewise.
9056         * ipa-struct-reorg.c: Likewise.
9057         * ipa-type-escape.c: Likewise.
9058         * langhooks.c: Likewise.
9059         * lto-cgraph.c: Likewise.
9060         * omp-low.c: Likewise.
9061         * stor-layout.c: Likewise.
9062         * tree-cfg.c: Likewise.
9063         * tree-complex.c: Likewise.
9064         * tree-dfa.c: Likewise.
9065         * tree-dump.c: Likewise.
9066         * tree-inline.c: Likewise.
9067         * tree-mudflap.c: Likewise.
9068         * tree-nested.c: Likewise.
9069         * tree-object-size.c: Likewise.
9070         * tree-pretty-print.c: Likewise.
9071         * tree-sra.c: Likewise.
9072         * tree-ssa-live.c: Likewise.
9073         * tree-ssa-loop-niter.c: Likewise.
9074         * tree-ssa-math-opts.c: Likewise.
9075         * tree-ssa-reassoc.c: Likewise.
9076         * tree-ssa-sccvn.c: Likewise.
9077         * tree-ssa-structalias.c: Likewise.
9078         * tree-tailcall.c: Likewise.
9079         * tree-vrp.c: Likewise.
9080         * tree.c: Likewise.
9081         * var-tracking.c: Likewise.
9082         * varasm.c: Likewise.
9083
9084 2010-07-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9085
9086         PR target/44877
9087         * config/spu/spu.c (spu_expand_builtin_1): Allow references
9088         (as well as pointers) as argument to mask_for_load builtins.
9089
9090 2010-07-15  Richard Guenther  <rguenther@suse.de>
9091
9092         PR tree-optimization/44946
9093         * tree-ssa-structalias.c (get_constraint_for_component_ref): Deal
9094         with accessing only padding properly.
9095
9096 2010-07-15  Jan Hubicka  <jh@suse.cz>
9097
9098         * ipa.c (function_and_variable_visibility): Variables marked as used
9099         should not be localized.
9100
9101 2010-07-15  Jan Hubicka  <jh@suse.cz>
9102
9103         * cgraph.c: Include lto-streamer.h
9104         (change_decl_assembler_name): Work when assembler name hash is at place.
9105         (cgraph_make_decl_local): When localizing COMDAT symbol at WPA stage,
9106         be sure to rename it to avoid name clash.
9107         * ipa.c (cgraph_externally_visible_p, function_and_variable_visibility):
9108         Localize hidden symbols only when locally defined.
9109
9110 2010-07-15  Uros Bizjak  <ubizjak@gmail.com>
9111
9112         * config/i386/i386.h (SHIFT_COUNT_TRUNCATED): Expand comment.
9113
9114 2010-07-15  Magnus Granberg  <zorry@gentoo.org>
9115             Kevin F. Quinn  <kevquinn@gentoo.org>
9116
9117         * builtins.c (expand_builtin_init_trampoline): Warn for -Wtrampolines.
9118         * common.opt: Add -Wtrampolines.
9119         * doc/invoke.texi: Add -Wtrampolines.
9120
9121 2010-07-15  Jie Zhang  <jie@codesourcery.com>
9122
9123         * config/arm/cortex-a8.md (cortex_a8_load_store_2): Reserve
9124         cortex_a8_issue_ls.
9125
9126 2010-07-15  Dave Korn  <dave.korn.cygwin@gmail.com>
9127
9128         * config/i386/cygwin.h (LIBGCJ_SONAME): Update.
9129         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
9130
9131 2010-07-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9132
9133         * config/spu/spu.c (reg_names): Remove prototype.
9134         (call_used_regs): Likewise.
9135
9136 2010-07-14  Dave Korn  <dave.korn.cygwin@gmail.com>
9137
9138         * config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute
9139         "unused" with attribute "used".
9140         (__JCR_END__): Likewise.
9141         * config/i386/cygming-crtbegin.c (__EH_FRAME_BEGIN__): Add missing
9142         "used" attribute.
9143         (__JCR_LIST__): Replace attribute "unused" with attribute "used".
9144
9145 2010-07-14  Richard Guenther  <rguenther@suse.de>
9146
9147         * lto-streamer-in.c (maybe_fixup_handled_component): Remove.
9148         (maybe_fixup_decls): Likewise.
9149         (input_gimple_stmt): Do not fixup anything.
9150         * lto-streamer-out.c (output_gimple_stmt): Make sure all
9151         non-automatic variable uses are wrapped inside a MEM_REF.
9152
9153 2010-07-14  Richard Henderson  <rth@redhat.com>
9154
9155         * passes.c (rest_of_decl_compilation): Do not call assemble_variable
9156         for functions.
9157         * varasm.c (assemble_variable): Remove early exit for functions;
9158         assert that we're given a variable.
9159
9160 2010-07-14  Jie Zhang  <jie@codesourcery.com>
9161
9162         * config/arm/cortex-a8.md (cortex_a8_alu): Don't use
9163         cortex_a8_default when neon_type is not none.
9164
9165 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
9166
9167         * lower-subreg.c (subreg_context): New static bitmap.
9168         (decompose_multiword_subregs): Allocate and free it.
9169         (find_decomposable_subregs): Set a bit in it for a register that
9170         occurs in a subreg that changes mode but not size.
9171         (can_decompose_p): Test it instead of non_decomposable_context.
9172
9173 2010-07-14  Richard Guenther  <rguenther@suse.de>
9174
9175         PR tree-optimization/44824
9176         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use
9177         is_gimple_mem_ref_addr.
9178         (tree_ssa_forward_propagate_single_use_vars): Do not propagate
9179         non-decl_address_invariant_p addresses.
9180
9181 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
9182
9183         * reload.c (find_reloads): Revert code to penalize small register
9184         classes that was brought in with the IRA merge.
9185
9186 2010-07-14  Richard Guenther  <rguenther@suse.de>
9187
9188         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle MEM_REF
9189         as base of ARRAY_REFs.
9190
9191 2010-07-14  Richard Guenther  <rguenther@suse.de>
9192
9193         PR middle-end/44930
9194         * tree-pretty-print.c (do_niy): Do not print a newline.
9195
9196 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
9197
9198         * ira-int.h (struct ira_object): New.
9199         (ira_object_t): New typedef.  Add DEF_VEC_P and DEF_VEC_ALLOC_P for it.
9200         (struct ira_allocno): Remove members min, max,
9201         conflict_allocno_array, conflict_id, conflict_allocno_array_size,
9202         conflict_allocnos_num and conflict_vec_p.  Add new member object.
9203         (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
9204         OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
9205         OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
9206         OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
9207         ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
9208         ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
9209         ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
9210         ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
9211         an ira_object_t rather than ira_allocno_t.  All uses changed.
9212         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
9213         contains a vector of ira_object_t; all uses changed.
9214         (ira_objects_num): Declare variable.
9215         (ira_create_allocno_object): Declare function.
9216         (ira_conflict_vector_profitable_p): Adjust prototype.
9217         (ira_allocate_conflict_vec): Renamed from
9218         ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
9219         (ira_allocate_object_conflicts): Renamed from
9220         ira_allocate_allocno_conflicts; first arg now ira_object_t.
9221         (struct ira_object_iterator): New.
9222         (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
9223         (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
9224         to conflict_vec_p.  All uses changed.
9225         (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
9226         Changed to take into account that conflicts are now tracked for
9227         objects.
9228         * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from CONFLICT_ALLOCNO_P.
9229         Args changed to accept ira_object_t.  All uses changed.
9230         (allocnos_conflict_p): New static function.
9231         (collected_conflict_objects): Renamed from collected_allocno_objects;
9232         now a vector of ira_object_t.  All uses changed.
9233         (build_conflict_bit_table): Changed to take into account that
9234         conflicts are now tracked for objects.
9235         (process_regs_for_copy, propagate_copies, build_allocno_conflicts)
9236         (print_allocno_conflicts, ira_build_conflicts): Likewise.
9237         * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
9238         setup_allocno_left_conflicts_size, allocno_reload_assign,
9239         fast_allocation): Likewise.
9240         * ira-lives.c (make_hard_regno_born, make_allocno_born)
9241         process_single_reg_class_operands, process_bb_node_lives): Likewise.
9242         * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
9243         Likewise.
9244         * ira-build.c (ira_objects_num): New variable.
9245         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
9246         contains a vector of ira_object_t; all uses changed.
9247         (ira_object_id_map_vec): Corresponding change.
9248         (object_pool): New static variable.
9249         (initiate_allocnos): Initialize it.
9250         (finish_allocnos): Free it.
9251         (ira_create_object, ira_create_allocno_object, create_allocno_objects):
9252         New functions.
9253         (ira_create_allocno): Don't set members that were removed.
9254         (ira_set_allocno_cover_class): Don't change conflict hard regs.
9255         (merge_hard_reg_conflicts): Changed to take into account that
9256         conflicts are now tracked for objects.
9257         (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
9258         allocate_conflict_bit_vec, ira_allocate_object_conflicts,
9259         compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
9260         setup_min_max_allocno_live_range_point, allocno_range_compare_func,
9261         setup_min_max_conflict_allocno_ids, ):  Likewise.
9262         (add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
9263         to ira_object_t; all callers changed.
9264         (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
9265         to ira_object_t, all callers changed.
9266         (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
9267         to ira_object_t, all callers changed.
9268         (conflict_check, curr_conflict_check_tick): Renamed from
9269         allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
9270         changed.
9271         (compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
9272         arg changed to ira_object_t, all callers changed.
9273         (create_cap_allocno): Call ira_create_allocno_object.
9274         (finish_allocno): Free the corresponding object.
9275         (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
9276         callers changed.  Adjusted for dealing with objects.
9277         (ira_build): Call create_allocno_objects after ira_costs.  Adjusted for
9278         dealing with objects.
9279         * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
9280
9281         * ira-int.h (struct live_range): Rename allocno member to object
9282         and change type to ira_object_t.
9283         (struct ira_object): New member live_ranges.
9284         (struct ira_allocno): Remove member live_ranges.
9285         (ALLOCNO_LIVE_RANGES): Remove.
9286         (OBJECT_LIVE_RANGES): New macro.
9287         (ira_create_live_range, ira_copy_live_range_list,
9288         ira_merge_live_range_list, ira_live_ranges_intersect_p,
9289         ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
9290         * ira-build.c (ira_create_object): Initialize live ranges here.
9291         (ira_create_allocno): Not here.
9292         (ira_create_live_range): Rename from ira_create_allocno_live_range, arg
9293         changed to ira_object_t, all callers changed.
9294         (copy_live_range): Rename from copy_allocno_live_range, all callers
9295         changed.
9296         (ira_copy_live_range_list): Rename from
9297         ira_copy_allocno_live_range_list, all callers changed.
9298         (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
9299         all callers changed.
9300         (ira_live_ranges_intersect_p): Rename from
9301         ira_allocno_live_ranges_intersect_p, all callers changed.
9302         (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
9303         callers changed.
9304         (ira_finish_live_range_list): Rename from
9305         ira_finish_allocno_live_range_list, all callers changed.
9306         (change_object_in_range_list): Rename from change_allocno_in_range_list,
9307         last arg changed to ira_object_t, all callers changed.
9308         (finish_allocno): Changed to expect live ranges in the allocno's object.
9309         (move_allocno_live_ranges, copy_allocno_live_ranges,
9310         update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
9311         ira_flattening, ira_build): Likewise.
9312         * ira-color.c (allocnos_have_intersected_live_ranges_p,
9313         slot_coalesced_allocno_live_ranges_intersect,
9314         setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
9315         * ira-conflicts.c (build_conflict_bit_table): Likewise.
9316         * ira-emit.c (add_range_and_copies_from_move_list): Likewise.
9317         * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
9318         make_allocno_dead, create_start_finish_chains,
9319         remove_some_program_points_and_update_live_ranges,
9320         ira_debug_live_range_list): Likewise.
9321
9322         * ira-int.h (ira_object_conflict_iterator): Rename from
9323         ira_allocno_conflict_iterator.
9324         (ira_object_conflict_iter_init): Rename from
9325         ira_allocno_conflict_iter_init, second arg changed to
9326         * ira.c (check_allocation): Use FOR_EACH_OBJECT_CONFLICT rather than
9327         FOR_EACH_ALLOCNO_CONFLICT.
9328         * ira-color.c (assign_hard_reg, push_allocno_to_stack)
9329         setup_allocno_left_conflicts_size, coalesced_allocno_conflict_p,
9330         ira_reassign_conflict_allocnos, ira_reassign_pseudos): Likewise.
9331         * ira-conflicts.c (print_allocno_conflicts): Likewise.
9332
9333 2010-07-13  Joern Rennecke  <joern.rennecke@embecosm.com>
9334
9335         PR other/44874
9336         * tree-dump.c (dump_options): Add enumerate_locals entry.
9337         Add TDF_NOID exclusion to all entry.
9338         * tree-dump.h (dump_enumerated_decls): Declare.
9339         * tree-pretty-print.c (dump_generic_node): For TDF_NOID,
9340         Don't display type uid.
9341         (print_declaration): Don't crash on TREE_TYPE (t) == 0.
9342         * tree-pass.h (TDF_ENUMERATE_LOCALS): Define.
9343         * tree-ssa-live.c: Include gimple.h.
9344         (numbered_tree_d): New struct.
9345         (numbered_tree): New typedef.
9346         (DEF_VEC_O (numbered_tree): New.
9347         (DEF_VEC_ALLOC_O (numbered_tree, heap)): Likewise.
9348         (compare_decls_by_uid, dump_enumerated_decls_push): New functions.
9349         (dump_enumerated_decls): Likewise.
9350         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): If comparing
9351         debug info and flag_dump_final_insns, call dump_enumerated_decls.
9352         * tree-cfg.c (dump_function_to_file): Call dump_enumerated_decls.
9353         * Makefile.in (tree-ssa-live.o): Depend on $(GIMPLE_H).
9354
9355 2010-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
9356
9357         * expmed.h (MAX_BITS_PER_WORD): Move to...
9358         * defaults.h (MAX_BITS_PER_WORD): ...here.
9359
9360 2010-07-13  DJ Delorie  <dj@redhat.com>
9361
9362         * config/h8300/h8300.c (h8300_init_once): Default to
9363         -fstrict_volatile_bitfields.
9364
9365         * config/sh/sh.c (sh_override_options): Default to
9366         -fstrict_volatile_bitfields.
9367
9368         * config/rx/rx.c (rx_option_override): New.
9369
9370         * config/m32c/m32c.c (m32c_override_options): Default to
9371         -fstrict_volatile_bitfields.
9372
9373 2010-07-13  Nathan Froyd  <froydnj@codesourcery.com>
9374
9375         * tree.h (build_function_call_expr): Delete.
9376         (build_call_expr_loc_array): New function.
9377         (build_call_expr_loc_vec): New function.
9378         * tree-flow.h (struct omp_region): Change type of ws_args field
9379         to a VEC.
9380         * builtins.c (build_function_call_expr): Delete.
9381         (build_call_expr_loc_array): New function.
9382         (build_call_expr_loc): Call it.  Use XALLOCAVEC.
9383         (build_call_expr): Likewise.
9384         (build_call_expr_loc_vec): New function.
9385         * cgraphunit.c (build_cdtor): Call build_call_expr instead of
9386         build_function_call_expr.
9387         * expr.c (emutls_var_address): Likewise.
9388         * varasm.c (emutls_common_1): Likewise.
9389         * omp-low.c (expand_omp_atomic_mutex): Likewise.
9390         (expand_omp_taskreg): Adjust for new type of region->ws_args.
9391         (get_ws_args_for): Return a VEC instead of a tree.
9392         (expand_parallel_call): Call build_call_expr_loc_vec instead of
9393         build_function_call_expr.
9394         * stor-layout.c (self_referential_size): Likewise.
9395
9396 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
9397
9398         PR testsuite/44701
9399         * recog.c (constrain_operands): Allow side-effects in memory
9400         operands if either < or > constraint is used, rather than if
9401         both < and > is used.
9402
9403 2010-07-13  Richard Guenther  <rguenther@suse.de>
9404
9405         PR middle-end/44911
9406         * tree-pretty-print.c (dump_generic_node): Use TDF_SLIM for
9407         MEM_REF pointer type dumping.  Avoid recursing for TYPE_DECLs
9408         without name.
9409
9410 2010-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9411
9412         PR target/44761
9413         * mode-switching.c (optimize_mode_switching): Add ATTRIBUTE_UNUSED
9414         to variable emited.
9415         * config/sh/sh.c (sh_expand_epilogue): Remove unused variable.
9416         * config/sh/sh.md (symGOT_load): Likewise.
9417         (symDTPOFF2reg): Likewise.
9418         (symTPOFF2reg): Likewise.
9419
9420 2010-07-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9421
9422         * expmed.c (MAX_BITS_PER_WORD): Moved to expmed.h.
9423         * expmed.h (MAX_BITS_PER_WORD): Moved from expmed.c.
9424
9425 2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9426
9427         * config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
9428         explanation.
9429         Find ucontext_t * on Solaris 11.
9430         (x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
9431         Handle new Solaris 11 __sighndlr patterns.
9432
9433 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
9434
9435         PR debug/44901
9436         * vec.h (VEC_block_remove): Fix comment.
9437         * tree-ssa-live.c (remove_unused_locals): Don't use
9438         VEC_unordered_remove on local_decls, instead replace a single
9439         vector element in each iteration if at least one element had
9440         to be removed and VEC_truncate at the end.
9441         * omp-low.c (expand_omp_taskreg): Likewise.
9442
9443 2010-07-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9444
9445         * c-decl.c (finish_function): Fix typo in comment.
9446
9447 2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>
9448
9449         PR bootstrap/44921
9450         * postreload.c (move2add_use_add3_insn): Silence gcc warning
9451         on min_regno.
9452
9453 2010-07-12  Jakub Jelinek  <jakub@redhat.com>
9454
9455         * tree-vrp.c (simplify_bit_ops_using_ranges): New function.
9456         (simplify_stmt_using_ranges): Use it.
9457
9458 2010-07-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9459
9460         * config/spu/spu.h (struct spu_builtin_description): Remove FNDECL
9461         member.  Do not mark as GTY(()).
9462         * config/spu/spu.c (spu_builtins): Remove FNDECL initializer elements.
9463         (spu_builtin_decls): New static variable.
9464         (spu_builtin_decl): Use it instead of spu_builtins[].fndecl.
9465         (spu_init_builtins): Likewise.
9466         (spu_builtin_mul_widen_even): Likewise.
9467         (spu_builtin_mul_widen_odd): Likewise.
9468         (spu_builtin_mask_for_load): Likewise.
9469         (spu_builtin_vec_perm): Likewise.
9470         * config/spu/spu-c.c: Include "target.h".
9471         (spu_resolve_overloaded_builtin): Call targetm.builtin_decl instead
9472         of using spu_builtins[].fndecl.
9473
9474 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9475
9476         * config/mips/mips.c (mips_override_options): Make -mflip-mips16
9477         imply -minterlink-mips16.
9478
9479 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9480
9481         * config/mips/mips.h (mips16_globals): Declare.
9482         (SWITCHABLE_TARGET): Define.
9483         * config/mips/mips.c: Include target-globals.h.
9484         (mips16_globals): New variable.
9485         (mips_set_mips16_mode): Use save_target_globals and
9486         restore_target_globals instead of target_reinit.
9487
9488 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9489
9490         * reginfo.c (init_reg_sets): Don't zero globals here.  Update comment
9491         to say that the function can be called more than once.
9492         * target-globals.c (save_target_globals): Call init_reg_sets.
9493
9494 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9495
9496         * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
9497         * bb-reorder.h: New file.
9498         * bb-reorder.c (default_target_bb_reorder): New variable.
9499         (this_target_bb_reorder): New conditional variable.
9500         (uncond_jump_length): Redefine as a macro.
9501         * target-globals.h (this_target_bb_reorder): Declare.
9502         (target_globals): Add a bb_reorder field.
9503         (restore_target_globals): Copy the bb_reorder field to
9504         this_target_bb-reorder.
9505         * target-globals.c: Include bb-reorder.h.
9506         (default_target_globals): Initialize the bb_reorder field.
9507         (save_target_globals): Likewise.
9508
9509 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9510
9511         * Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
9512         * gcse.h: New file.
9513         * gcse.c: Include gcse.h.
9514         (default_target_gcse): New variable.
9515         (this_target_gcse): New conditional variable.
9516         (can_copy): Redefine as a macro.
9517         (can_copy_init_p): New macro.
9518         (can_copy_p): Remove can_copy_init_p.
9519         * target-globals.h (this_target_gcse): Declare.
9520         (target_globals): Add a gcse field.
9521         (restore_target_globals): Copy the gcse field to this_target_gcse.
9522         * target-globals.c: Include gcse.h.
9523         (default_target_globals): Initialize the gcse field.
9524         (save_target_globals): Likewise.
9525
9526 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9527
9528         * ira-int.h (target_ira_int): Add x_ira_prohibited_mode_move_regs
9529         and x_ira_prohibited_mode_move_regs_initialized_p.
9530         (ira_prohibited_mode_move_regs): Redefine as a macro.
9531         * ira.c (ira_prohibited_mode_move_regs): Delete.
9532         (ira_prohibited_mode_move_regs_initialized_p): Redefine as a macro.
9533
9534 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9535
9536         * reload.h (target_reload): Add x_cached_reg_save_code and
9537         x_cached_reg_restore_code.
9538         * caller-save.c (cached_reg_save_code, cached_reg_restore_code):
9539         Redefine as macros.
9540
9541 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9542
9543         * Makefile.in (target-globals.o): Depend on builtins.h.
9544         * builtins.h: New file.
9545         * builtins.c: Include builtins.h.
9546         (default_target_builtins): New variable.
9547         (this_target_builtins): New conditional variable.
9548         (apply_args_mode, apply_result_mode): Redefine as macros.
9549         * target-globals.h (this_target_builtins): Declare.
9550         (target_globals): Add a builtins field.
9551         (restore_target_globals): Copy the builtins field to
9552         this_target_builtins.
9553         * target-globals.c: Include builtins.h.
9554         (default_target_globals): Initialize the builtins field.
9555         (save_target_globals): Likewise.
9556
9557 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9558
9559         * expmed.h (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST)
9560         (algorithm, alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved
9561         from expmed.c.
9562         (target_expmed): Add x_alg_hash and x_alg_hash_used_p.
9563         (alg_hash, alg_hash_used_p): New macros.
9564         * expmed.c (init_expmed): Clear alg_hash if reinitializing.
9565         (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST, algorithm)
9566         (alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved to expmed.h.
9567
9568 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9569
9570         * ira-int.h (target_ira_int): Add x_max_struct_costs_size, x_init_cost,
9571         x_temp_costs, x_op_costs, x_this_op_costs and x_cost_classes.
9572         * ira-costs.c (max_struct_costs_size, init_cost, temp_costs, op_costs)
9573         (this_op_costs, costs_classes): Redefine as macros.
9574         (record_reg_classes): Don't take op_costs as a parameter.
9575         (record_operand_costs): Likewise.  Update calls to record_reg_classes.
9576         (scan_one_insn): Update call to record_operand_costs.
9577
9578 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9579
9580         * Makefile.in (target-globals.o): Depend on $(IRA_INT_H).
9581         * ira-int.h (ira_max_nregs, ira_important_class_nums): Delete.
9582         (target_ira_int): New structure.
9583         (default_target_ira_int): Declare.
9584         (this_target_ira_int): Declare as a variable or define as a macro.
9585         (ira_reg_mode_hard_regset, ira_register_move_cost)
9586         (ira_may_move_in_cost, ira_may_move_out_cost, ira_class_subset_p)
9587         (ira_non_ordered_class_hard_regs, ira_class_hard_reg_index)
9588         (prohibited_class_mode_regs, ira_important_classes_num)
9589         (ira_important_classes, ira_reg_class_intersect)
9590         (ira_reg_classes_intersect_p, ira_reg_class_super_classes)
9591         (ira_reg_class_union): Redefine as macros.
9592         * ira.h (target_ira): New structure.
9593         (default_target_ira): Declare.
9594         (this_target_ira): Declare as a variable or define as a macro.
9595         (ira_available_class_regs, ira_hard_regno_cover_class)
9596         (ira_reg_class_cover_size, ira_reg_class_cover, ira_class_translate)
9597         (ira_reg_class_nregs, ira_memory_move_cost, ira_class_hard_regs)
9598         (ira_class_hard_regs_num): Redefine as macros.
9599         * ira.c (default_target_ira, default_target_ira_int): New variables.
9600         (this_target_ira, this_target_ira_int): New conditional variables.
9601         (ira_reg_mode_hard_regset, ira_memory_move_cost)
9602         (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost)
9603         (ira_class_subset_p): Delete.
9604         (no_unit_alloc_regs): Redefine as a macro.
9605         (ira_class_hard_regs, ira_non_ordered_class_hard_regs)
9606         (ira_class_hard_regs_num, ira_class_hard_reg_index)
9607         (ira_available_class_regs): Delete.
9608         (alloc_reg_class_subclasses): Redefine as a macro.
9609         (ira_reg_class_cover_size, ira_reg_class_cover)
9610         (ira_important_classes_num, ira_important_classes)
9611         (ira_important_class_nums, ira_class_translate): Delete.
9612         (cover_class_order): Document the variable's lifetime.
9613         (reorder_important_classes): Don't set ira_important_class_nums.
9614         (ira_reg_class_intersect, ira_reg_classes_intersect_p)
9615         (ira_reg_class_super_classes, ira_reg_class_union)
9616         (ira_hard_regno_cover_class, ira_reg_class_nregs, ira_max_nregs):
9617         Delete.
9618         (setup_reg_class_nregs): Don't set ira_max_regs.
9619         (prohibited_class_mode_regs): Delete.
9620         * target-globals.h (this_target_ira, this_target_ira_int): Declare.
9621         (target_globals): Add ira and ira_int fields.
9622         (restore_target_globals): Copy the ira field to this_target_ira
9623         and the ira_int field to this_target_ira_int.
9624         * target-globals.c: Include ira-int.h.
9625         (default_target_globals): Initialize the ira and ira_int fields.
9626         (save_target_globals): Likewise.
9627
9628 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9629
9630         * Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
9631         * cfgloop.h (target_cfgloop): New structure.
9632         (default_target_cfgloop): Declare.
9633         (this_target_cfgloop): Declare as a variable or define as a macro.
9634         (target_avail_regs, target_clobbered_regs, target_res_regs)
9635         (target_reg_cost, target_spill_cost): Redefine as macros.
9636         * cfgloopanal.c (default_target_cfgloop): New variable.
9637         (this_target_cfgloop): New conditional variable.
9638         (target_avail_regs, target_clobbered_regs, target_res_regs)
9639         (target_reg_cost, target_spill_cost): Delete.
9640         * target-globals.h (this_target_cfgloop): Declare.
9641         (target_globals): Add a cfgloop field.
9642         (restore_target_globals): Copy the cfgloop field to
9643         this_target_cfgloop.
9644         * target-globals.c: Include cfgloop.h.
9645         (default_target_globals): Initialize the cfgloop field.
9646         (save_target_globals): Likewise.
9647
9648 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9649
9650         * regs.h (target_regs): Add x_direct_load, x_direct_store and
9651         x_float_extend_from_mem.
9652         (direct_load, direct_store, float_extend_from_mem): New macros.
9653         * expr.c (direct_load, direct_store, float_extend_from_mem): Delete.
9654
9655 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9656
9657         * Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
9658         (target-globals.o): Depend on $(LIBFUNCS_H).
9659         * libfuncs.h: Include hashtab.h.
9660         (libfunc_entry): Moved from optabs.c.
9661         (target_libfuncs): New structure.
9662         (default_target_libfuncs): Declare.
9663         (this_target_libfuncs): Declare as a variable or define as a macro.
9664         (libfunc_table): Redefine as a macro.
9665         * optabs.c (default_target_libfuncs): New variable.
9666         (this_target_libfuncs): New conditional variable.
9667         (libfunc_table): Delete.
9668         (libfunc_entry): Moved to optabs.h.
9669         (libfunc_hash): Redefine as a macro.
9670         (hash_libfunc, eq_libfunc): Fix comments.
9671         (init_optabs): Use libfunc_hash to detect cases where the function
9672         has already been called.  Clear the hash table instead of
9673         recreating it.
9674         * target-globals.h (this_target_libfuncs): Declare.
9675         (target_globals): Add a libfuncs field.
9676         (restore_target_globals): Copy the libfuncs field to
9677         this_target_libfuncs.
9678         * target-globals.c: Include libfuncs.h.
9679         (default_target_globals): Initialize the libfuncs field.
9680         (save_target_globals): Likewise.
9681
9682 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9683
9684         * Makefile.in (LIBFUNCS_H): New variable.  Use instead of libfuncs.h
9685         in all dependency lists.
9686
9687 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9688
9689         * Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
9690         * optabs.h (target_optabs): New structure.
9691         (default_target_optabs): Declare.
9692         (this_target_optabs): Declare as a variable or define as a macro.
9693         (optab_table, convert_optab_table, direct_optab_table): Redefine
9694         as macros.
9695         * optabs.c (default_target_optabs): New variable.
9696         (this_target_optabs): New conditional variable.
9697         (optab_table, convert_optab_table, direct_optab_table): Delete.
9698         * target-globals.h (this_target_optabs): Declare.
9699         (target_globals): Add a optabs field.
9700         (restore_target_globals): Copy the optabs field to
9701         this_target_optabs.
9702         * target-globals.c: Include expr.h and optabs.h.
9703         (default_target_globals): Initialize the optabs field.
9704         (save_target_globals): Likewise.
9705
9706 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9707
9708         * flags.h (target_flagstate): Add x_flag_excess_precision.
9709         (flag_excess_precision): Redefine as a macro.
9710         * toplev.c (flag_excess_precision): Delete.
9711
9712 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9713
9714         * defaults.h (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Define if not defined.
9715         * libgcc2.c (MIN_UNITS_PER_WORD): Delete.
9716         * hard-reg-set.h (target_hard_regs): Add x_no_caller_save_reg_set.
9717         (no_caller_save_reg_set): Redefine as a macro.
9718         * reload.h (target_reload): Add x_caller_save_initialized_p and
9719         x_regno_save_mode.
9720         (caller_save_initialized_p): Redefine as a macro.
9721         * caller-save.c (caller_save_initialized_p, no_caller_save_reg_set)
9722         (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Delete.
9723         (regno_save_mode): Redefine as a macro.
9724
9725 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9726
9727         * Makefile.in (expmed.o, target-globals.o): Depend on expmed.h.
9728         * expmed.h: New file.
9729         * expmed.c (default_target_costs): New variable.
9730         (this_target_costs): New conditional variable.
9731         (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, neg_cost)
9732         (shift_cost, shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost)
9733         (sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete.
9734         * target-globals.h (this_target_expmed): Declare.
9735         (target_globals): Add a expmed field.
9736         (restore_target_globals): Copy the expmed field to
9737         this_target_expmed.
9738         * target-globals.c: Include expmed.h.
9739         (default_target_globals): Initialize the expmed field.
9740         (save_target_globals): Likewise.
9741
9742 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9743
9744         * Makefile.in (target-globals.o): Depend on reload.h.
9745         * reload.h (target_reload): New structure.
9746         (default_target_reload): Declare.
9747         (this_target_reload): Declare as a variable or define as a macro.
9748         (indirect_symref_ok, double_reg_address_ok): Redefine as macros.
9749         * reload1.c (default_target_reload): New variable
9750         (this_target_reload): New conditional variable.
9751         (indirect_symref_ok, double_reg_address_ok): Delete.
9752         (spill_indirect_levels): Redefine as a macro.
9753         * target-globals.h (this_target_reload): Declare.
9754         (target_globals): Add a reload field.
9755         (restore_target_globals): Copy the reload field to
9756         this_target_reload.
9757         * target-globals.c: Include hard-reg-set.h.
9758         (default_target_globals): Initialize the reload field.
9759         (save_target_globals): Likewise.
9760
9761 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9762
9763         * rtl.h (target_rtl): Add x_static_reg_base_value.
9764         * alias.c (static_reg_base_value): Redefine as a macro.
9765
9766 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9767
9768         * Makefile.in (reginfo.o): Don't depend on $(GGC_H) or gt-reginfo.h.
9769         (GTFILES): Remove reginfo.c.
9770         * rtl.h (target_rtl): Add x_top_of_stack.
9771         (top_of_stack): New macro.
9772         * reginfo.c: Don't include ggc.h or gt-reginfo.h.
9773         (top_of_stack): Delete.
9774
9775 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9776
9777         * regs.h (target_regs): Add x_hard_regs_of_mode,
9778         x_contains_reg_of_mode, x_move_cost, x_may_move_in_cost,
9779         x_may_move_out_cost and x_last_mode_for_init_move_cost.
9780         (have_regs_of_mode, contains_reg_of_mode, move_cost)
9781         (may_move_in_cost, may_move_out_cost): Redefine as macros.
9782         * reginfo.c (have_regs_of_mode, contains_reg_of_mode, move_cost)
9783         (may_move_in_cost, may_move_out_cost): Delete.
9784         (last_mode_for_init_move_cost): Redefine as a macro.
9785
9786 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9787
9788         * hard-reg-set.h (target_hard_regs): New structure.
9789         (default_target_hard_regs): Declare.
9790         (this_target_hard_regs): Declare as a variable or define as a macro.
9791         (fixed_regs, fixed_reg_set, call_used_regs, call_really_used_regs)
9792         (call_used_reg_set, call_fixed_reg_set, regs_invalidated_by_call)
9793         (reg_alloc_order, inv_reg_alloc_order, reg_class_contents)
9794         (reg_class_size, reg_class_subclasses, reg_class_subunion)
9795         (reg_class_superunion, reg_names): Redefine as macros.
9796         * reginfo.c (fixed_regs, fixed_reg_set, call_used_regs)
9797         (call_used_reg_set, call_really_used_regs, call_fixed_reg_set)
9798         (regs_invalidated_by_call, reg_alloc_order, inv_reg_alloc_order)
9799         (reg_class_contents, reg_class_size, reg_class_subclasses)
9800         (reg_class_subunion, reg_class_superunion, reg_names): Delete.
9801         (default_target_hard_regs): New variable
9802         (this_target_hard_regs, initial_call_really_used_regs)
9803         (initial_reg_alloc_order): New conditional variables.
9804         (initial_reg_names): New variable.
9805         (init_reg_sets): Assert that initial_call_really_used_regs,
9806         initial_reg_alloc_order and initial_reg_names
9807         are all the same size as their variable counterparts.  Use them to
9808         initialize those counterparts.
9809         * target-globals.h (this_target_hard_regs): Declare.
9810         (target_globals): Add a hard_regs field.
9811         (restore_target_globals): Copy the hard_regs field to
9812         this_target_hard_regs.
9813         * target-globals.c: Include hard-reg-set.h.
9814         (default_target_globals): Initialize the hard_regs field.
9815         (save_target_globals): Likewise.
9816
9817 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9818
9819         * Makefile.in (target-globals.o): Depend on $(RTL_H).
9820         * rtl.h (target_rtl): New structure.
9821         (default_target_rtl): Declare.
9822         (this_target_rtl): Declare as a variable or define as a macro.
9823         (global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
9824         Redefine as macros.
9825         * emit-rtl.c (default_target_rtl): New variable.
9826         (this_target_rtl): New conditional variable.
9827         (global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
9828         (return_address_pointer_rtx): Delete.
9829         (initial_regno_reg_rtx): New macro.
9830         (init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
9831         (init_emit_regs): Likewise.
9832         * target-globals.h (this_target_rtl): Declare.
9833         (target_globals): Add a rtl field.
9834         (restore_target_globals): Copy the rtl field to this_target_rtl.
9835         * target-globals.c: Include rtl.h.
9836         (default_target_globals): Initialize the rtl field.
9837         (save_target_globals): Likewise.
9838
9839 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9840
9841         * Makefile.in (target-globals.o): Depend on $(REGS_H).
9842         * regs.h (target_reg_modes): New structure.
9843         (default_target_reg_modes): Declare.
9844         (this_target_reg_modes): Declare as a variable or define as a macro.
9845         (hard_regno_nregs, reg_raw_mode): Redefine as macros.
9846         * reginfo.c (default_target_reg_modes): New variable.
9847         (this_target_reg_modes): New conditional variable.
9848         (hard_regno_nregs, reg_raw_mode): Delete.
9849         * target-globals.h (this_target_regs): Declare.
9850         (target_globals): Add a regs field.
9851         (restore_target_globals): Copy the regs field to this_target_regs.
9852         * target-globals.c: Include regs.h.
9853         (default_target_globals): Initialize the regs field.
9854         (save_target_globals): Likewise.
9855
9856 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
9857
9858         * doc/tm.texi.in (SWITCHABLE_TARGET): Document.
9859         * doc/tm.texi: Regenerate.
9860         * Makefile.in (OBJS-common): Add target-globals.o.
9861         (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H)
9862         and target-globals.h.
9863         (target-globals.o): New rule.
9864         (GTFILES): Include $(srcdir)/target-globals.h.
9865         * defaults.h (SWITCHABLE_TARGET): Define.
9866         * gengtype.c (open_base_files): Add target-globals.h to the
9867         list of includes.
9868         * target-globals.h: New file.
9869         * target-globals.c: Likewise.
9870
9871         * Makefile.in (target-globals.o): Depend on $(FLAGS_H).
9872         * flags.h (target_flag_state): New structure.
9873         (default_target_flag_state): Declare.
9874         (this_target_flag_state): Declare as a variable or define as a macro.
9875         (align_loops_log): Redefine as a macro.
9876         (align_loops_max_skip, align_jumps_log): Likewise.
9877         (align_jumps_max_skip, align_labels_log): Likewise.
9878         (align_labels_max_skip, align_functions_log): Likewise.
9879         * toplev.c (default_target_flag_state): New variable.
9880         (this_target_flag_state): New conditional variable.
9881         (align_loops_log): Delete.
9882         (align_loops_max_skip, align_jumps_log): Likewise.
9883         (align_jumps_max_skip, align_labels_log): Likewise.
9884         (align_labels_max_skip, align_functions_log): Likewise.
9885         * target-globals.h (this_target_flag_state): Declare.
9886         (target_globals): Add a flag_state field.
9887         (restore_target_globals): Copy the flag_state field to
9888         this_target_flag_state.
9889         * target-globals.c: Include flags.h.
9890         (default_target_globals): Initialize the flag_state field.
9891         (save_target_globals): Likewise.
9892
9893 2010-07-12  Jie Zhang  <jie@codesourcery.com>
9894
9895         * postreload.c (reg_symbol_ref[]): New.
9896         (move2add_use_add2_insn): New.
9897         (move2add_use_add3_insn): New.
9898         (reload_cse_move2add): Handle SYMBOL + OFFSET case.
9899         (move2add_note_store): Likewise.
9900
9901 2010-07-12  Joern Rennecke  <joern.rennecke@embecosm.com>
9902
9903         PR rtl-optimization/44752
9904         * genautomata.c (main): Don't emit an empty file even if there
9905         is no automaton.
9906
9907 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9908
9909         * config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
9910         ix86_solaris_return_in_memory.
9911         * config/i386-protos.h: Reflect this.
9912         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
9913         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
9914         Move ...
9915         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.
9916
9917 2010-07-12  Jie Zhang  <jie@codesourcery.com>
9918
9919         * config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
9920         align the stack when it's going to be saved.
9921
9922 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9923
9924         PR pch/14940
9925         * config/host-solaris.c (mmap_fixed): New function.
9926         (sol_gt_pch_get_address): Use it.
9927         (sol_gt_pch_use_address): Likewise.
9928
9929 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9930
9931         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
9932         pentiumpro on Solaris 8 and 9/x86.
9933         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
9934         Document SSE/SSE2 support.
9935         * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.
9936
9937 2010-07-12  Andi Kleen  <ak@linux.intel.com>
9938
9939         * lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
9940         instead of gcc_assert to print better error message for multiple
9941         prevailing defs.
9942
9943 2010-07-12  Uros Bizjak  <ubizjak@gmail.com>
9944
9945         * config/i386/i386.c (ix86_asm_output_function_label): Change format
9946         string placeholder from 0x%x to %#x.
9947         (ix86_code_end): Use putc to output '\n'.
9948         (ix86_print_operand) <case ';'>: Use putc to output ';'.
9949
9950 2010-07-11  Kai Tietz  <kai.tietz@onevision.com>
9951
9952         * config/i386/winnt.c (i386_pe_file_end): Quote symbol name
9953         in directive -export.
9954
9955 2010-07-10  Anatoly Sokolov  <aesok@post.ru>
9956
9957         * reginfo.h (reg_classes_intersect_p): Change arguments type to
9958         reg_class_t.
9959         * rtl.h (reg_classes_intersect_p): Adjust prototype.
9960
9961         * config/rs6000/rs6000.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
9962         Remove macros.
9963         * config/rs6000/rs6000-protos.h (rs6000_register_move_cost,
9964         rs6000_memory_move_cost): Remove
9965         * config/rs6000/rs6000.c (TARGET_REGISTER_MOVE_COST,
9966         TARGET_MEMORY_MOVE_COST): Define.
9967         (rs6000_register_move_cost): Make static. Change arguments type from
9968         enum reg_class to reg_class_t. Adjust rs6000_memory_move_cost calls.
9969         (rs6000_memory_move_cost): Make static. Change arguments type from
9970         'enum reg_class' to reg_class_t.
9971
9972 2010-07-10  Sandra Loosemore  <sandra@codesourcery.com>
9973
9974         PR middle-end/42505
9975         * tree-inline.c (estimate_num_insns): Refactor builtin complexity
9976         lookup code into....
9977         * builtins.c (is_simple_builtin, is_inexpensive_builtin): ...these
9978         new functions.
9979         * tree.h (is_simple_builtin, is_inexpensive_builtin): Declare.
9980         * cfgloopanal.c (target_clobbered_regs): Define.
9981         (init_set_costs): Initialize target_clobbered_regs.
9982         (estimate_reg_pressure_cost): Add call_p argument.  When true,
9983         adjust the number of available registers to exclude the
9984         call-clobbered registers.
9985         * cfgloop.h (target_clobbered_regs): Declare.
9986         (estimate_reg_pressure_cost): Adjust declaration.
9987         * tree-ssa-loop-ivopts.c (struct ivopts_data): Add body_includes_call.
9988         (ivopts_global_cost_for_size): Pass it to estimate_reg_pressure_cost.
9989         (determine_set_costs): Dump target_clobbered_regs.
9990         (loop_body_includes_call): New function.
9991         (tree_ssa_iv_optimize_loop): Use it to initialize new field.
9992         * loop-invariant.c (gain_for_invariant): Adjust arguments to pass
9993         call_p flag through.
9994         (best_gain_for_invariant): Likewise.
9995         (find_invariants_to_move): Likewise.
9996         (move_single_loop_invariants): Likewise, using already-computed
9997         has_call field.
9998
9999 2010-07-10  Richard Guenther  <rguenther@suse.de>
10000             Joern Rennecke  <joern.rennecke@embecosm.com>
10001
10002         PR debug/44832
10003         * tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for LABEL_DECL.
10004         (remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
10005         unless they have DECL_IGNORED_P set.
10006
10007 2010-07-10  Richard Guenther  <rguenther@suse.de>
10008
10009         PR lto/44889
10010         * gimple.c (gimple_fixup_complete_and_incomplete_subtype_p): New
10011         helper function.
10012         (gimple_types_compatible_p): Similar to pointed-to
10013         types allow and merge a mix of complete and incomplete aggregate.
10014         Use gimple_fixup_complete_and_incomplete_subtype_p for that.
10015         (iterative_hash_gimple_type): Adjust for that.
10016
10017 2010-07-10  Richard Sandiford  <r.sandiford@uk.ibm.com>
10018
10019         * tree.h (DECL_REPLACEABLE_P): Strengthen check for weak symbols.
10020
10021 2010-07-10  Iain Sandoe  <iains@gcc.gnu.org>
10022
10023         PR objc/44140
10024         * config/darwin.c (output_objc_section_asm_op): Save and restore
10025         section when outputting ObjC section list.
10026
10027 2010-07-09  Jan Hubicka  <jh@suse.cz>
10028
10029         * lto-streamer-out.c (produce_symtab): Do not write alias
10030         cgraph/varpool nodes.
10031
10032 2010-07-09  Jan Hubicka  <jh@suse.cz>
10033
10034         * tree-inline.c (declare_return_variable): Fix ICE while
10035         inlining DECL_BY_VALUE function not in SSA form
10036
10037 2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>
10038
10039         PR tree-optimization/44576
10040         * tree-ssa-loop-prefetch.c (trip_count_to_ahead_ratio_too_small_p):
10041         New.  Pull out from is_loop_prefetching_profitable to implement
10042         the trip count to ahead ratio heuristic.
10043         (mem_ref_count_reasonable_p): New.  Pull out from
10044         is_loop_prefetching_profitable to implement the instruction to
10045         memory reference ratio heuristic.  Also consider not reasonable if
10046         the memory reference count is above a threshold (to avoid
10047         explosive compilation time.
10048         (insn_to_prefetch_ratio_too_small_p): New.  Pull out from
10049         is_loop_prefetching_profitable to implement the instruction to
10050         prefetch ratio heuristic.
10051         (is_loop_prefetching_profitable): Removed.
10052         (loop_prefetch_arrays): Distribute the cost analysis across the
10053         function to allow early exit of the prefetch analysis.
10054         is_loop_prefetching_profitable is splitted into three functions,
10055         with each one called as early as possible.
10056         (PREFETCH_MAX_MEM_REFS_PER_LOOP): New.  Threshold above which the
10057         number of memory references in a loop is considered too many.
10058
10059 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
10060
10061         * reload.c (find_reloads): Don't clear badop if we have a winreg
10062         alternative, but not win, and the class only has fixed regs.
10063         * hard-reg-set.h (class_only_fixed_regs): Declare.
10064         * reginfo.c (class_only_fixed_regs): New array.
10065         (init_reg_sets_1): Initialize it.
10066         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
10067         discourage alternatives using the stack pointer.
10068
10069         * config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.
10070
10071         * config/arm/arm.md (Thumb-1 ldrsb peephole): New.
10072
10073         * config/arm/arm.md (cbranchqi4): Fix array size.
10074         (addsi3_cbranch): Also andle alternative 2 like alternative 3 when
10075         calculating length.
10076
10077 2010-07-09  Richard Guenther  <rguenther@suse.de>
10078
10079         * gimple.c (struct type_fixup_s): New struct and VEC type.
10080         (gimple_register_type_fixups): New static global.
10081         (gimple_queue_type_fixup): New function.
10082         (gimple_types_compatible_p): Queue type fixups instead of
10083         applying them here.
10084         (gimple_register_type): Apply queued fixups for the
10085         canonical type.  Empty the type fixup queue.
10086
10087 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
10088
10089         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
10090         * configure: Regenerate.
10091         * config.in: Ditto.
10092
10093 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
10094             Denys Vlasenko  <dvlasenk@redhat.com>
10095             Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10096
10097         PR tree-optimization/28632
10098         * tree-vrp.c (zero_nonzero_bits_from_vr): New function.
10099         (extract_range_from_binary_expr): Further optimize
10100         BIT_AND_EXPR and BIT_IOR_EXPR.
10101
10102 2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>
10103
10104         * tree-if-conv.c (fold_or_predicates): New.
10105         (add_to_predicate_list): Call it.
10106
10107 2010-07-09  Richard Guenther  <rguenther@suse.de>
10108
10109         PR middle-end/44890
10110         * tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
10111         if base is a pointer.
10112         * tree-cfg.c (verify_expr): Update MEM_REF checking.
10113
10114 2010-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
10115
10116         PR target/44877
10117         * config/rs6000/rs6000.c (rs6000_expand_builtin): Use
10118         POINTER_TYPE_P instead of checking only for POINTER_TYPE for the
10119         builtin mask for load/store builtins.
10120
10121 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
10122
10123         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
10124         for "lock addl".
10125         * configure: Regenerate.
10126         * config/i386/i386.c (ix86_print_operand) <case ';'>:
10127         Remove TARGET_MACHO.
10128
10129 2010-07-09  Peter Bergner  <bergner@vnet.ibm.com>
10130
10131         * config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
10132         default ISA flags.
10133         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.
10134
10135 2010-07-09  Tom de Vries  <tjvries@xs4all.nl>
10136
10137         * tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.
10138
10139 2010-07-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
10140
10141         * config/picochip/picochip.md (commsTestPort): Emit more
10142         efficient sequence for tstport instruction.
10143
10144 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
10145
10146         * config/i386/i386.c (ix86_veclib_handler): Make static.
10147
10148 2010-07-09  Richard Guenther  <rguenther@suse.de>
10149
10150         PR tree-optimization/44852
10151         * tree-ssa-alias.c: Include toplev.h for exact_log2.
10152         (indirect_ref_may_alias_decl_p): Properly handle negative offsets
10153         in MEM_REF.
10154         (indirect_refs_may_alias_p): Likewise.
10155         * Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).
10156
10157 2010-07-09  Richard Guenther  <rguenther@suse.de>
10158
10159         PR tree-optimization/44882
10160         * tree-vect-stmts.c (vectorizable_store): Do not assert alias
10161         sets do conflict.
10162         (vectorizable_load): Likewise.
10163
10164 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
10165
10166         PR target/40657
10167         * config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
10168         All callers changed.
10169         Handle the case when we're called for the epilogue.
10170         (thumb_unexpanded_epilogue): Use it.
10171         (thumb1_expand_epilogue): Likewise.
10172
10173 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
10174
10175         * tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
10176         both ranges are range_int_cst_p with non-negative minimum,
10177         try harder to derive smaller range.
10178
10179 2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10180
10181         * genrecog.c: Include diagnostic-core.h before toplev.h.
10182         * genoutput.c: Likewise.
10183         * genextract.c: Likewise.
10184         * genautomata.c: Likewise.
10185         * genemit.c: Likewise.
10186         * genpeep.c: Likewise.
10187         * genattrtab.c: Likewise.
10188         * genconditions.c: Likewise.
10189         * genpreds.c: Likewise.
10190
10191 2010-07-08  Andi Kleen  <ak@linux.intel.com>
10192
10193         * lto-section-in.c (lto_section_name): Add missing comma.
10194
10195 2010-07-08  Anatoly Sokolov  <aesok@post.ru>
10196
10197         * config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
10198         * config/ia64/ia64-protos.h (ia64_override_options): Remove.
10199         * config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
10200         (ia64_override_options): Rename to...
10201         (ia64_option_override): ... this one. Make static.
10202
10203 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
10204
10205         PR middle-end/44843
10206         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
10207         pointed-to type of the offset in a MEM_REF to compute the alignment.
10208
10209 2010-07-08  Kai Tietz  <kai.tietz@onevision.com>
10210
10211         * final.c (final_scan_insn): Replace
10212         TARGET_UNWIND_INFO macro check by unwind_emit
10213         hook NULL check.
10214         * targhooks.c (default_unwind_emit): Removed.
10215         * targhooks.h (default_unwind_emit): Likewise.
10216         * target.def (unwind_emit): Set default value to NULL.
10217
10218         * config/i386/i386-protos.h (ix86_asm_output_function_label):
10219         New prototype.
10220         * config/i386/i386.c (ix86_function_ms_hook_prologue): Check
10221         for NULL fntype argument and allow 64-bit targets.
10222         (ix86_asm_output_function_label): New function.
10223         (ix86_expand_prologue): Handle 64-bit ms hook prologue.
10224         (ix86_handle_fndecl_attribute): Likewise.
10225         * doc/extend.texi (ms_hook_prologue): Adjust documentation.
10226         * doc/doc/tm.texi: Regenerated.
10227         * doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
10228         (ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
10229         * defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
10230         * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
10231         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
10232         * config/elfos.h: Likewise.
10233         * config/i386/cygming.h: Likewise.
10234         * config/netbsd-aout.h: Likewise.
10235         * config/openbsd.h: Likewise.
10236         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
10237         by ix86_asm_output_function_label function call.
10238         * varasm.c (assemble_start_function): Use
10239         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
10240
10241 2010-07-08  Jan Hubicka  <jh@suse.cz>
10242
10243         * cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
10244         New function.
10245         * cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
10246         Declare.
10247         * ipa-cp.c (ipcp_estimate_growth): Use it.
10248         * ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
10249         Likewise.
10250
10251 2010-07-08  Jan Hubicka  <jh@suse.cz>
10252
10253         * tree-inline.c (declare_return_variable): Allocate annotation for new
10254         temporary.
10255
10256 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
10257
10258         PR tree-optimization/44710
10259         * tree-if-conv.c (parse_predicate): New.
10260         (add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
10261         Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.
10262
10263 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
10264
10265         * common.opt (ftree-loop-if-convert): New flag.
10266         * doc/invoke.texi (ftree-loop-if-convert): Documented.
10267         * tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
10268         when flag_tree_loop_if_convert is set.
10269
10270 2010-07-08  Uros Bizjak  <ubizjak@gmail.com>
10271
10272         * config/i386/i386.c: Use short syntax for function calls
10273         through function pointers.
10274         * config/i386/i386.md: Ditto.
10275
10276 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
10277
10278         * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.
10279
10280 2010-07-08  Richard Guenther  <rguenther@suse.de>
10281
10282         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
10283         stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.
10284
10285 2010-07-08  Jakub Jelinek  <jakub@redhat.com>
10286
10287         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
10288         instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
10289         (loc_list_from_tree): Likewise.
10290         (output_loc_operands): Handle outputting DW_OP_const[48]u
10291         with loc->dtprel set.
10292         (resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.
10293
10294 2010-07-08  Jan Hubicka  <jh@suse.cz>
10295
10296         * ipa.c: Include pointer-set.h
10297         (cgraph_externally_visible_p): New attribute ALIASED;
10298         when in LTO, hidden symbols are local unless they are aliased.
10299         (function_and_variable_visibility): Compute aliased nodes;
10300         handle LTO and hidden symbol on functions and vars.
10301         * cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
10302         for COMDAT symbols; handle COMDAT_GROUPS also at vars.
10303
10304 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
10305
10306         * config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
10307         * config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10308         * config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10309         * config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10310         * config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
10311         * config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
10312         (ix86_gen_probe_stack_range): Likewise.
10313         (override_options): Set them.
10314         (ix86_target_stack_probe): New function.
10315         (ix86_compute_frame_layout): Force use of push instructions to
10316         save registers if stack checking with probes is enabled.
10317         (get_scratch_register_on_entry): New function.
10318         (release_scratch_register_on_entry): Likewise.
10319         (ix86_adjust_stack_and_probe): Likewise.
10320         (output_adjust_stack_and_probe): Likewise.
10321         (ix86_emit_probe_stack_range): Likewise.
10322         (output_probe_stack_range): Likewise.
10323         (ix86_expand_prologue): Emit stack checking code if static built-in
10324         stack checking is enabled.
10325         Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
10326         * config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
10327         (output_adjust_stack_and_probe): Likewise.
10328         (output_probe_stack_range): Likewise.
10329         * config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
10330         (allocate_stack_worker_32): Test ix86_target_stack_probe instead of
10331         TARGET_STACK_PROBE.
10332         (allocate_stack_worker_64): Likewise.
10333         (allocate_stack): Likewise.
10334         (adjust_stack_and_probe): New insn.
10335         (probe_stack_range): Likewise.
10336
10337 2010-07-08  Richard Guenther  <rguenther@suse.de>
10338
10339         PR tree-optimization/44831
10340         * tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
10341         a MEM_REF preserving TBAA info of the original dereference.
10342         Dereference the original pointer if the address is not invariant.
10343         (propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
10344         at least one invariant address that we are going to dereference.
10345
10346 2010-07-08  Richard Guenther  <rguenther@suse.de>
10347
10348         PR tree-optimization/44861
10349         * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
10350         information when building MEM_REFs.
10351         (vectorizable_load): Likewise.
10352         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
10353
10354 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
10355
10356         * config/sol2-c.c: Do not include diagnostic-core.h.
10357
10358 2010-07-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10359
10360         PR bootstrap/44768
10361         * cfgexpand.c (estimated_stack_frame_size): Make self-contained
10362         with respect to current_function_decl. Pass decl of the function.
10363         * tree-inline.h (estimated_stack_frame_size): Adjust prototype.
10364         * ipa-inline.c (compute_inline_parameters): Pass decl to
10365         estimated_stack_frame_size.
10366
10367 2010-07-08  Richard Guenther  <rguenther@suse.de>
10368
10369         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
10370         New function.
10371         (valueize_refs): Call it.
10372
10373 2010-07-08  Richard Guenther  <rguenther@suse.de>
10374
10375         PR rtl-optimization/44838
10376         * tree-ssa-alias.c (indirect_refs_may_alias_p): When not in
10377         SSA form do not use pointer equivalence.
10378
10379 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
10380
10381         * dwarf2out.c (AT_linkage_name): Delete.
10382         (add_linkage_attr): New function.
10383         (add_linkage_name): Call it to emit the linkage attribute.
10384         (dwarf2out_finish): Likewise.
10385         (move_linkage_attr): Explicitly accept both attribute variants.
10386
10387 2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
10388
10389         * toplev.h: Do not include diagnostic-core.h.
10390         Include diagnostic-core.h in every file that includes toplev.h.
10391         * c-tree.h: Do not include toplev.h.
10392         * pretty-print.h: Update comment.
10393         * Makefile.in: Update dependencies.
10394         * alias.c: Include diagnostic-core.h in every file that includes
10395         toplev.h.
10396         * attribs.c: Likewise.
10397         * auto-inc-dec.c: Likewise.
10398         * bb-reorder.c: Likewise.
10399         * bt-load.c: Likewise.
10400         * caller-save.c: Likewise.
10401         * calls.c: Likewise.
10402         * cfg.c: Likewise.
10403         * cfganal.c: Likewise.
10404         * cfgbuild.c: Likewise.
10405         * cfgcleanup.c: Likewise.
10406         * cfghooks.c: Likewise.
10407         * cfgloop.c: Likewise.
10408         * combine.c: Likewise.
10409         * config/alpha/alpha.c: Likewise.
10410         * config/arc/arc.c: Likewise.
10411         * config/arm/arm.c: Likewise.
10412         * config/arm/pe.c: Likewise.
10413         * config/avr/avr.c: Likewise.
10414         * config/bfin/bfin.c: Likewise.
10415         * config/cris/cris.c: Likewise.
10416         * config/crx/crx.c: Likewise.
10417         * config/darwin-c.c: Likewise.
10418         * config/darwin.c: Likewise.
10419         * config/fr30/fr30.c: Likewise.
10420         * config/frv/frv.c: Likewise.
10421         * config/h8300/h8300.c: Likewise.
10422         * config/host-darwin.c: Likewise.
10423         * config/i386/i386.c: Likewise.
10424         * config/i386/netware.c: Likewise.
10425         * config/i386/nwld.c: Likewise.
10426         * config/i386/winnt-cxx.c: Likewise.
10427         * config/i386/winnt-stubs.c: Likewise.
10428         * config/i386/winnt.c: Likewise.
10429         * config/ia64/ia64-c.c: Likewise.
10430         * config/ia64/ia64.c: Likewise.
10431         * config/iq2000/iq2000.c: Likewise.
10432         * config/lm32/lm32.c: Likewise.
10433         * config/m32c/m32c-pragma.c: Likewise.
10434         * config/m32c/m32c.c: Likewise.
10435         * config/m32r/m32r.c: Likewise.
10436         * config/m68hc11/m68hc11.c: Likewise.
10437         * config/m68k/m68k.c: Likewise.
10438         * config/mcore/mcore.c: Likewise.
10439         * config/mep/mep-pragma.c: Likewise.
10440         * config/mep/mep.c: Likewise.
10441         * config/mmix/mmix.c: Likewise.
10442         * config/mn10300/mn10300.c: Likewise.
10443         * config/moxie/moxie.c: Likewise.
10444         * config/pa/pa.c: Likewise.
10445         * config/pdp11/pdp11.c: Likewise.
10446         * config/picochip/picochip.c: Likewise.
10447         * config/rs6000/rs6000-c.c: Likewise.
10448         * config/rs6000/rs6000.c: Likewise.
10449         * config/rx/rx.c: Likewise.
10450         * config/s390/s390.c: Likewise.
10451         * config/score/score.c: Likewise.
10452         * config/score/score3.c: Likewise.
10453         * config/score/score7.c: Likewise.
10454         * config/sh/sh.c: Likewise.
10455         * config/sh/symbian-base.c: Likewise.
10456         * config/sh/symbian-c.c: Likewise.
10457         * config/sh/symbian-cxx.c: Likewise.
10458         * config/sol2-c.c: Likewise.
10459         * config/sol2.c: Likewise.
10460         * config/sparc/sparc.c: Likewise.
10461         * config/spu/spu.c: Likewise.
10462         * config/stormy16/stormy16.c: Likewise.
10463         * config/v850/v850-c.c: Likewise.
10464         * config/v850/v850.c: Likewise.
10465         * config/vax/vax.c: Likewise.
10466         * config/vxworks.c: Likewise.
10467         * config/xtensa/xtensa.c: Likewise.
10468         * convert.c: Likewise.
10469         * cse.c: Likewise.
10470         * cselib.c: Likewise.
10471         * dbgcnt.c: Likewise.
10472         * dbxout.c: Likewise.
10473         * ddg.c: Likewise.
10474         * dominance.c: Likewise.
10475         * emit-rtl.c: Likewise.
10476         * explow.c: Likewise.
10477         * expmed.c: Likewise.
10478         * fixed-value.c: Likewise.
10479         * fold-const.c: Likewise.
10480         * fwprop.c: Likewise.
10481         * gcse.c: Likewise.
10482         * ggc-common.c: Likewise.
10483         * ggc-page.c: Likewise.
10484         * ggc-zone.c: Likewise.
10485         * gimple-low.c: Likewise.
10486         * gimplify.c: Likewise.
10487         * graph.c: Likewise.
10488         * haifa-sched.c: Likewise.
10489         * ifcvt.c: Likewise.
10490         * implicit-zee.c: Likewise.
10491         * integrate.c: Likewise.
10492         * ira-build.c: Likewise.
10493         * ira-color.c: Likewise.
10494         * ira-conflicts.c: Likewise.
10495         * ira-costs.c: Likewise.
10496         * ira-lives.c: Likewise.
10497         * ira.c: Likewise.
10498         * lists.c: Likewise.
10499         * loop-doloop.c: Likewise.
10500         * loop-iv.c: Likewise.
10501         * lto-opts.c: Likewise.
10502         * lto-symtab.c: Likewise.
10503         * main.c: Likewise.
10504         * modulo-sched.c: Likewise.
10505         * optabs.c: Likewise.
10506         * params.c: Likewise.
10507         * plugin.c: Likewise.
10508         * postreload-gcse.c: Likewise.
10509         * postreload.c: Likewise.
10510         * predict.c: Likewise.
10511         * profile.c: Likewise.
10512         * real.c: Likewise.
10513         * regcprop.c: Likewise.
10514         * reginfo.c: Likewise.
10515         * regmove.c: Likewise.
10516         * reorg.c: Likewise.
10517         * resource.c: Likewise.
10518         * rtl.c: Likewise.
10519         * rtlanal.c: Likewise.
10520         * sched-deps.c: Likewise.
10521         * sched-ebb.c: Likewise.
10522         * sched-rgn.c: Likewise.
10523         * sdbout.c: Likewise.
10524         * sel-sched-dump.c: Likewise.
10525         * sel-sched-ir.c: Likewise.
10526         * simplify-rtx.c: Likewise.
10527         * stmt.c: Likewise.
10528         * stor-layout.c: Likewise.
10529         * store-motion.c: Likewise.
10530         * targhooks.c: Likewise.
10531         * tree-cfg.c: Likewise.
10532         * tree-cfgcleanup.c: Likewise.
10533         * tree-dump.c: Likewise.
10534         * tree-eh.c: Likewise.
10535         * tree-inline.c: Likewise.
10536         * tree-nomudflap.c: Likewise.
10537         * tree-object-size.c: Likewise.
10538         * tree-optimize.c: Likewise.
10539         * tree-outof-ssa.c: Likewise.
10540         * tree-phinodes.c: Likewise.
10541         * tree-profile.c: Likewise.
10542         * tree-ssa-ccp.c: Likewise.
10543         * tree-ssa-coalesce.c: Likewise.
10544         * tree-ssa-live.c: Likewise.
10545         * tree-ssa-loop-niter.c: Likewise.
10546         * tree-ssa-loop-prefetch.c: Likewise.
10547         * tree-ssa-loop.c: Likewise.
10548         * tree-ssa-structalias.c: Likewise.
10549         * tree-ssa-uninit.c: Likewise.
10550         * tree-ssa.c: Likewise.
10551         * tree-vect-data-refs.c: Likewise.
10552         * tree-vect-loop-manip.c: Likewise.
10553         * tree-vect-loop.c: Likewise.
10554         * tree-vect-patterns.c: Likewise.
10555         * tree-vect-stmts.c: Likewise.
10556         * tree-vrp.c: Likewise.
10557         * varasm.c: Likewise.
10558         * vec.c: Likewise.
10559         * web.c: Likewise.
10560         * xcoffout.c: Likewise.
10561
10562 2010-07-07  Richard Sandiford  <rdsandiford@googlemail.com>
10563
10564         * gengtype.c (write_field_root): New function.
10565         (write_root): Use it.
10566
10567 2010-07-07  Wei Guozhi  <carrot@google.com>
10568
10569         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
10570         of lowest bits to lshift/compare): Add a missing line.
10571
10572 2010-07-07  Wei Guozhi  <carrot@google.com>
10573
10574         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
10575         of lowest bits to lshift/compare): New.
10576
10577 2010-07-07  Tom Tromey  <tromey@redhat.com>
10578
10579         * doc/tm.texi: Update.
10580         * doc/tm.texi.in (SDB and DWARF) <TARGET_WANT_DEBUG_PUB_SECTIONS>:
10581         Add @hook.
10582         * target.def (want_debug_pub_sections): New hook.
10583         * config/darwin.h (TARGET_WANT_DEBUG_PUB_SECTIONS): Define.
10584         * dwarf2out.c (add_pubname_string): Check
10585         targetm.want_debug_pub_sections.
10586         (add_pubname): Likewise.
10587         (add_pubtype): Likewise.
10588
10589 2010-07-07  Jie Zhang  <jie@codesourcery.com>
10590
10591         * genautomata.c (output_automata_list_min_issue_delay_code):
10592         Correctly decompress min_issue_delay.
10593
10594 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
10595
10596         PR rtl-optimization/44404
10597         * auto-inc-dec.c (find_inc): Avoid calling count_occurrences if
10598         possible, use reg_overlap_mentioned_p instead.
10599
10600 2010-07-07  Duncan Sands  <baldrick@free.fr>
10601
10602         PR middle-end/41355
10603         * tree.c (build_function_type_skip_args): Copy the original type using
10604         build_distinct_type_copy rather than copy_node.
10605
10606 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10607
10608         PR target/44850
10609         * config/i386/i386.c (ix86_function_ms_hook_prologue): Revert
10610         revision 161876.
10611         (ix86_expand_prologue): Likewise.
10612         (ix86_handle_fndecl_attribute): Likewise.
10613         (ix86_asm_declare_function_name): Likewise.
10614         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
10615         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
10616         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): Likewise.
10617         * config/i386/i386-protos.h (ix86_asm_declare_function_name): Likewise.
10618         * doc/extend.texi: Likewise.
10619
10620 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
10621
10622         PR target/44844
10623         * config/i386/i386.md (rdrand<mode>): Changed to expand to
10624         retry if the carry flag isn't valid.
10625         (rdrand<mode>_1): New.
10626
10627 2010-07-07  Richard Guenther  <rguenther@suse.de>
10628
10629         PR middle-end/44790
10630         * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
10631         for expanding the constant offset for MEM_REFs.
10632
10633 2010-07-07  Richard Guenther  <rguenther@suse.de>
10634
10635         * tree-ssa-propagate.h (valid_gimple_call_p): Remove.
10636         * tree-ssa-propagate.c (valid_gimple_call_p): Make static.  Fix.
10637         * gimple.h (is_gimple_operand): Remove.
10638         * gimple.c (is_gimple_operand): Likewise.
10639         (walk_gimple_op): Fix wi->val_only setting for calls.
10640         * tree-cfg.c (verify_gimple_call): Fix argument validation.
10641         * tree-profile.c (tree_gen_ic_func_profiler): Do not create
10642         invalid gimple calls.
10643
10644 2010-07-06  Jan Hubicka  <jh@suse.cz>
10645
10646         * lto-cgraph.c (output_cgraph): Add missing declaration.
10647
10648 2010-07-06  Jan Hubicka  <jh@suse.cz>
10649
10650         * lto-cgraph.c (output_cgraph): Output toplevel asms only into first
10651         partition.
10652
10653 2010-07-06  Alexandre Oliva  <aoliva@redhat.com>
10654
10655         * doc/gimple.texi (GIMPLE_DEBUG): Document.
10656         * doc/rtl.texi (Debug Information): New node.
10657         (NOTE_INSN_VAR_LOCATION): Document.
10658         (debug_insn): Likewise.
10659         * doc/generic.texi (DEBUG_EXPR_DECL): Document.
10660
10661 2010-07-07  Jan Hubicka  <jh@suse.cz>
10662
10663         With parts by Richard Guenther.
10664
10665         PR middle-end/44813
10666         * tree-ssa-uninit.c (ssa_undefined_value_p): Result decl is defined
10667         for functions passed by reference.
10668         * tree.c (needs_to_live_in_memory): RESULT_DECL don't need to live
10669         in memory when passed by reference.
10670         * tree-ssa-ccp.c (get_default_value): Only VAR_DECL is undefined at
10671         beggining.
10672         * ipa-split.c (split_function): Cleanup way return value is passed;
10673         handle SSA DECL_BY_REFERENCE retvals.
10674         * tree-ssa.c (verify_def): Verify that RESULT_DECL is read only when
10675         DECL_BY_REFERENCE is set.
10676         * tree-ssa-structalias.c (get_constraint_for_ssa_var, get_fi_for_callee,
10677         find_what_p_points_to): Handle RESULT_DECL.
10678         * tree-inline.c (declare_return_variable): Get new entry_block argument;
10679         when passing by reference ensure that RESULT_DECL is gimple_val.
10680         (remap_gimple_op_r): Remap RESULT_DECL ssa name.
10681         (remap_gimple_stmt): Handle SSA DECL_BY_REFERENCE returns.
10682
10683 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
10684
10685         PR rtl-optimization/44787
10686         * config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
10687         * config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.
10688
10689 2010-07-06  Jan Hubicka  <jh@suse.cz>
10690
10691         * lto-symtab.c (lto_cgraph_replace_node): Handle aliases.
10692         (lto_symtab_resolve_can_prevail_p): Also alias of cgraph node
10693         with body can prevail.
10694         (lto_symtab_resolve_symbols): Use cgraph_get_node_or_alias.
10695         (lto_symtab_merge_cgraph_nodes_1): Do not remove nodes from aliases.
10696         * cgraph.c (cgraph_get_node_or_alias): New function.
10697         * cgraph.h (cgraph_get_node_or_alias): Declare.
10698
10699 2010-07-06  Kai Tietz  <kai.tietz@onevision.com>
10700
10701         * config/i386/i386.c (ix86_function_ms_hook_prologue): Enable x64
10702         support.
10703         (ix86_expand_prologue): Likewise.
10704         (ix86_handle_fndecl_attribute): Likewise.
10705         (ix86_asm_declare_function_name): New function for
10706         ASM_DECLARE_FUNCTION_NAME.
10707         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): New macro.
10708         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Removed.
10709         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): New macro.
10710         * config/i386/i386-protos.h (ix86_asm_declare_function_name): New.
10711         * doc/extend.texi: Adjust documentation about ms_hook_prologue
10712         attribute.
10713
10714 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
10715
10716         * config/i386/i386.md (immediate_operand): New mode attribute.
10717
10718         (pro_epilogue_adjust_stack_<mode>_1): Macroize insn from
10719         pro_epilogue_adjust_stack  and pro_epilogue_adjust_stack_rex64
10720         using P mode iterator.
10721         (pro_epilogue_adjust_stack_di_2): Rename from
10722         pro_epilogue_adjust_stack_rex64_2.
10723
10724         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for rename.
10725
10726 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
10727
10728         * config/i386/i386.md (insv): Call gen_movdi_insv1 or gen_movsi_insv1
10729         through gen_mov_insv_1 function pointer.
10730         (fmod<mode>3): Call gen_truncxf<mode>2_i387_noop_unspec or
10731         gen_truncxf<mode>2 through gen_truncxf function pointer.
10732         (remainder<mode>3): Ditto.
10733         (cmpstrnsi): Rename cmp_insn function pointer to gen_cmp.
10734         (allocate_stack): Call gen_allocate_stack_worker_64 or
10735         gen_allocate_stack_worker_32 through gen_allocate_stack_worker
10736         function pointer.
10737         (probe_stack): Call gen_iordi3 or gen_iorsi3 through gen_ior3
10738         function pointer.
10739
10740 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
10741
10742         * config/i386/i386.md (*add<mode>3_cconly_overflow): Use <g>
10743         operand constraint instead of <r><i>m.
10744
10745 2010-07-06  Richard Guenther  <rguenther@suse.de>
10746
10747         PR middle-end/44828
10748         * convert.c (convert_to_integer): Watch out for overflowing
10749         MULT_EXPR as well.
10750
10751 2010-07-05  Jan Hubicka  <jh@suse.cz>
10752
10753         * lto-streamer.c (write_symbol_vec): Rename to ...
10754         (write_symbol) ... this one; write only symbol given and when
10755         present in cache. Sanity check that what is defined is present
10756         in cgraph/varpool with body/finalized decl.
10757         (write_symbols_of_kind): Remove.
10758         (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias
10759         pairs to produce symtab.
10760         (produce_asm_for_decls): Update call of produce_symtab; don't do so
10761         when doing WPA streaming.
10762
10763 2010-07-05  Jan Hubicka  <jh@suse.cz>
10764
10765         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that
10766         function is still available to fold into.
10767
10768 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
10769
10770         * vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
10771         * function.h (struct_function): Change type of local_decls field
10772         to a VEC.
10773         (add_local_decl): New function.
10774         (FOR_EACH_LOCAL_DECL): New macro.
10775         * cfgexpand.c (init_vars_expansion): Adjust for new type of
10776         cfun->local_decls.
10777         (estimated_stack_frame_size): Likewise.
10778         (expand_used_vars): Likewise.
10779         * cgraphbuild.c (build_cgraph_edges): Likewise.
10780         * function.c (instantiate_decls_1): Likewise.
10781         * ipa-struct-reorg.c (build_data_structure): Likewise.
10782         * ipa-type-escape.c (analyze_function): Likewise.
10783         * lto-streamer-in.c (input_function): Likewise.
10784         * lto-streamer-out.c (output_function): Likewise.
10785         * tree-ssa-live.c (remove_unused_locals): Likewise.
10786         * tree.c (free_lang_data_in_decl): Likewise.
10787         (find_decls_types_in_node): Likewise.
10788         * omp-low.c (remove_exit_barrier): Likewise.
10789         (expand_omp_taskreg): Likewise.
10790         (list2chain): Rename to...
10791         (vec2chain): ...this.  Adjust.
10792         * cgraphunit.c (assemble_thunk): Call add_local_decl.
10793         * tree-cfg.c (replace_by_duplicate_decl): Likewise.
10794         * gimple-low.c (record_vars_into): Likewise.
10795         * tree-inline.c (remap_decls): Likewise.
10796         (declare_return_variable): Likewise.
10797         (declare_inline_vars): Likewise.
10798         (copy_forbidden): Adjust for new type of cfun->local_decls.
10799         (add_local_variables): New function.
10800         (expand_call_inline): Call it.
10801         (tree_function_versioning): Likewise.
10802
10803 2010-07-05  H.J. Lu  <hongjiu.lu@intel.com>
10804
10805         AVX Programming Reference (June, 2010)
10806         * config/i386/cpuid.h (bit_F16C): New.
10807         (bit_RDRND): Likewise.
10808         (bit_FSGSBASE): Likewise.
10809
10810         * config/i386/i386-builtin-types.def: Add
10811         "DEF_FUNCTION_TYPE (UINT16)", function types for
10812         float16 <-> float conversions and
10813         "DEF_FUNCTION_TYPE (VOID, UINT64)".
10814
10815         * config/i386/i386-c.c (ix86_target_macros_internal): Support
10816         OPTION_MASK_ISA_FSGSBASE, OPTION_MASK_ISA_RDRND and
10817         OPTION_MASK_ISA_F16C.
10818
10819         * config/i386/i386.c (OPTION_MASK_ISA_FSGSBASE_SET): New.
10820         (OPTION_MASK_ISA_RDRND_SET): Likewise.
10821         (OPTION_MASK_ISA_F16C_SET): Likewise.
10822         (OPTION_MASK_ISA_FSGSBASE_UNSET): Likewise.
10823         (OPTION_MASK_ISA_RDRND_UNSET): Likewise.
10824         (OPTION_MASK_ISA_F16C_UNSET): Likewise.
10825         (OPTION_MASK_ISA_AVX_UNSET): Add OPTION_MASK_ISA_F16C_UNSET.
10826         (ix86_handle_option): Handle OPT_mfsgsbase, OPT_mrdrnd and OPT_mf16c.
10827         (ix86_target_string): Support -mfsgsbase, -mrdrnd and -mf16c.
10828         (pta_flags): Add PTA_FSGSBASE, PTA_RDRND and PTA_F16C.
10829         (override_options): Handle them.
10830         (ix86_valid_target_attribute_inner_p): Handle fsgsbase, rdrnd and f16c.
10831         (ix86_builtins): Add IX86_BUILTIN_RDFSBASE32,
10832         IX86_BUILTIN_RDFSBASE64, IX86_BUILTIN_RDGSBASE32,
10833         IX86_BUILTIN_RDGSBASE64, IX86_BUILTIN_WRFSBASE32,
10834         IX86_BUILTIN_WRFSBASE64, IX86_BUILTIN_WRGSBASE32,
10835         IX86_BUILTIN_WRGSBASE64, IX86_BUILTIN_RDRAND16,
10836         IX86_BUILTIN_RDRAND32, IX86_BUILTIN_RDRAND64,
10837         IX86_BUILTIN_CVTPH2PS, IX86_BUILTIN_CVTPH2PS256,
10838         IX86_BUILTIN_CVTPS2PH and IX86_BUILTIN_CVTPS2PH256.
10839         (bdesc_args): Likewise.
10840         (ix86_expand_args_builtin): Handle V8SF_FTYPE_V8HI,
10841         V4SF_FTYPE_V8HI, V8HI_FTYPE_V8SF_INT and V8HI_FTYPE_V4SF_INT.
10842         (ix86_expand_special_args_builtin): Handle VOID_FTYPE_UINT64,
10843         VOID_FTYPE_UNSIGNED, UNSIGNED_FTYPE_VOID and UINT16_FTYPE_VOID.
10844         Handle non-memory store.
10845
10846         * config/i386/i386.h (TARGET_FSGSBASE): New.
10847         (TARGET_RDRND): Likewise.
10848         (TARGET_F12C): Likewise.
10849
10850         * config/i386/i386.md (UNSPEC_VCVTPH2PS): New.
10851         (UNSPEC_VCVTPS2PH): Likewise.
10852         (UNSPECV_RDFSBASE): Likewise.
10853         (UNSPECV_RDGSBASE): Likewise.
10854         (UNSPECV_WRFSBASE): Likewise.
10855         (UNSPECV_WRGSBASE): Likewise.
10856         (UNSPECV_RDRAND): Likewise.
10857         (rdfsbase<mode>): Likewise.
10858         (rdgsbase<mode>): Likewise.
10859         (wrfsbase<mode>): Likewise.
10860         (wrgsbase<mode>): Likewise.
10861         (rdrand<mode>): Likewise.
10862
10863         * config/i386/i386.opt: Add -mfsgsbase, -mrdrnd and -mf16c.
10864
10865         * config/i386/immintrin.h (_rdrand_u16): New.
10866         (_rdrand_u32): Likewise.
10867         (_readfsbase_u32): Likewise.
10868         (_readfsbase_u64): Likewise.
10869         (_readgsbase_u32): Likewise.
10870         (_readgsbase_u64): Likewise.
10871         (_writefsbase_u32): Likewise.
10872         (_writefsbase_u64): Likewise.
10873         (_writegsbase_u32): Likewise.
10874         (_writegsbase_u64): Likewise.
10875         (_rdrand_u64): Likewise.
10876         (_cvtsh_ss): Likewise.
10877         (_mm_cvtph_ps): Likewise.
10878         (_mm256_cvtph_ps): Likewise.
10879         (_cvtss_sh): Likewise.
10880         (_mm_cvtps_ph): Likewise.
10881         (_mm256_cvtps_ph): Likewise.
10882
10883         * config/i386/sse.md (vcvtph2ps): New.
10884         (*vcvtph2ps_load): Likewise.
10885         (vcvtph2ps256): Likewise.
10886         (vcvtps2ph): Likewise.
10887         (*vcvtps2ph): Likewise.
10888         (*vcvtps2ph_store): Likewise.
10889         (vcvtps2ph256): Likewise.
10890
10891         * doc/extend.texi: Document FSGSBASE and RDRND built-in functions.
10892
10893         * doc/invoke.texi: Document -mfsgsbase, -mrdrnd and -mf16c.
10894
10895 2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>
10896
10897         PR bootstrap/44512
10898         * genenums.c (main): Output include of insn-constants.h
10899         * Makefile.in (insn-enums.o): Depend on insn-constants.h.
10900
10901 2010-07-05  Uros Bizjak  <ubizjak@gmail.com>
10902
10903         * config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
10904         (override_options): Initialize it.
10905         (ix86_expand_prologue): Use it.
10906
10907 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
10908
10909         * tree-nrv.c (tree_nrv): Set DECL_VALUE_EXPR on found to result.
10910
10911 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
10912
10913         * double-int.h (fit_double_type): Remove declaration.
10914         * double-int.c (fit_double_type): Remove function.
10915         * tree.h (int_fits_type_p): Adjust prototype.
10916         * tree.c (int_fits_type_p): Return bool. Use double_int_fits_to_tree_p
10917         instead of fit_double_type.
10918         (build_int_cst_type): Use double_int_to_tree and shwi_to_double_int
10919         instead of fit_double_type and build_int_cst_wide.
10920         * builtins.c (): Use double_int_fits_to_tree_p and double_int_to_tree
10921         instead of fit_double_type and build_int_cst_wide.
10922         (fold_builtin_object_size): Use double_int_fits_to_tree_p instead
10923         of fit_double_type.
10924
10925 2010-07-05  Jan Hubicka  <jh@suse.cz>
10926
10927         * cgraph.h (cgraph_node, cgraph_varpool_node): Update docmentation of
10928         in_other_partition.
10929         * lto-cgraph.c (referenced_from_other_partition_p,
10930         reachable_from_other_partition_p): Use in_other_partition flags.
10931         (output_node, output_varpool_node): COMDAT nodes always have private
10932         copies and thus are never used from other partition.
10933
10934 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
10935
10936         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
10937         * config/ia64/t-ia64 (ia64.o): Depend on reload.h.
10938         * config/ia64/ia64.c Include reload.h.
10939         (ia64_memory_move_cost): New function.
10940         (TARGET_MEMORY_MOVE_COST): Define.
10941         (ia64_register_move_cost): Replace MEMORY_MOVE_COST with
10942         memory_move_cost.
10943
10944 2010-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10945
10946         PR middle-end/42505
10947         * tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
10948         comments about cost model.
10949         (try_add_cand_for):  Add second strategy for choosing initial set
10950         based on original IVs, controlled by ORIGINALP argument.
10951         (get_initial_solution): Add ORIGINALP argument.
10952         (find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
10953         (find_optimal_iv_set): Try two different strategies for choosing
10954         the IV set, and return the one with lower cost.
10955
10956 2010-07-05  Richard Guenther  <rguenther@suse.de>
10957
10958         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Copy alias info.
10959
10960 2010-07-05  Richard Guenther  <rguenther@suse.de>
10961
10962         * tree.c (reference_alias_ptr_type): New function.
10963         * tree.h (reference_alias_ptr_type): Declare.
10964         * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to
10965         allow non-TARGET_MEM_REF new refs.
10966         (rewrite_use_address): Pass old alias pointer type to create_mem_ref.
10967         * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type.
10968         Build a MEM_REF instead of a TARGET_MEM_REF if possible.
10969         (create_mem_ref): Get alias pointer type.  Adjust calls to
10970         create_mem_ref_raw.
10971         (maybe_fold_tmr): Likewise.
10972         * tree-flow.h (create_mem_ref): Adjust prototype.
10973
10974 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
10975
10976         PR c++/44808
10977         * gimplify.c (gimplify_modify_expr): Only SET_DECL_DEBUG_EXPR if
10978         *from_p is VAR_DECL.
10979
10980 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
10981
10982         * tree.h (build_call_list): Remove.
10983         * tree.c (build_call_list): Remove.
10984
10985 2010-07-05  Richard Guenther  <rguenther@suse.de>
10986
10987         * double-int.h (double_int_sub): Declare.
10988         * double-int.c (double_int_sub): New function.
10989         * dwarf2out.c (field_byte_offset): Use it.
10990         * fixed-value.c (do_fixed_add): Likewise.
10991         (do_fixed_multiply): Likewise.
10992         (do_fixed_divide): Likewise.
10993         * tree-predcom.c (add_ref_to_chain): Likewise.
10994         (determine_roots_comp): Likewise.
10995         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.
10996
10997 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
10998
10999         * vec.h (VEC_splice, VEC_safe_splice): New macros.  Add function
11000         implementations.
11001
11002 2010-07-05  Bernd Schmidt  <bernds@codesourcery.com>
11003
11004         * config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
11005         * arm-modes.def (CC_NOTB): Don't define.
11006         * config/arm/arm.md (arm_adddi3): Generate canonical RTL.
11007         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
11008         (LTUGEU): New code_iterator.
11009         (cnb, optab): New corresponding code_attrs.
11010         (addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
11011         to canonical form.  Operands 1 and 2 are commutative.  Parametrize
11012         using LTUGEU.
11013         (addsi3_carryin_shift_<optab>): Likewise.
11014         (addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
11015         Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
11016         (addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
11017         (subsi3_compare): Renamed from subsi3_compare0_c.
11018         Change CC_NOTB to CC.
11019         (arm_subsi3_insn): Allow constants for operand 0.
11020         (compare_scc peephole for eq case): New.
11021         (compare_scc splitters): Change CC_NOTB to CC.
11022
11023 2010-07-05  Richard Guenther  <rguenther@suse.de>
11024
11025         * tree-ssa-loop-im.c (for_each_index): Do not handle
11026         ALIGN_INDIRECT_REF.
11027         (gen_lsm_tmp_name): Likewise.
11028         * tree-dump.c (dequeue_and_dump): Likewise.
11029         * tree-pretty-print.c (dump_generic_node): Likewise.
11030         (op_code_prio): Likewise.
11031         (op_symbol_code): Likewise.
11032         * tree.c (staticp): Likewise.
11033         (build1_stat): Likewise.
11034         * tree.h (INDIRECT_REF_P): Likewise.
11035         * fold-const.c (maybe_lvalue_p): Likewise.
11036         (operand_equal_p): Likewise.
11037         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
11038         (ao_ref_init_from_vn_reference): Likewise.
11039         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
11040         (find_interesting_uses_address): Likewise.
11041         * dwarf2out.c (loc_list_from_tree): Likewise.
11042         * gimplify.c (gimplify_expr): Likewise.
11043         * tree-eh.c (tree_could_trap_p): Likewise.
11044         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11045         * cfgexpand.c (expand_debug_expr): Likewise.
11046         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
11047         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
11048         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
11049         * config/rs6000/rs6000 (rs6000_check_sdmode): Likewise.
11050         * tree-ssa-operands.c (get_expr_operands): Likewise.
11051         * expr.c (safe_from_p): Likewise.
11052         (expand_expr_real_1): Likewise.  TER BIT_AND_EXPRs into MEM_REFs.
11053         * tree-vect-data-refs.c (vect_setup_realignment): Build
11054         BIT_AND_EXPR and MEM_REF instead of ALIGN_INDIRECT_REF.
11055         * tree-vect-stmts.c (vectorizable_load): Likewise.
11056         * tree.def (ALIGN_INDIRECT_REF): Remove.
11057
11058 2010-07-05  Richard Guenther  <rguenther@suse.de>
11059
11060         PR tree-optimization/44784
11061         * tree-ssa-pre.c (bitmap_find_leader): Fix dominance check
11062         for inserted stmts.
11063         (find_or_generate_expression): Fix SCCVN insertion check.
11064
11065 2010-07-05  Nathan Sidwell  <nathan@codesourcery.com>
11066
11067         * config/rs6000/e500crtsavg64gprctr.asm: Correct done label name.
11068         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
11069         * config/rs6000/e500crtres64gprctr.asm: Likewise. Add FUNC_END
11070         directives.
11071
11072 2010-07-05  Ira Rosen  <irar@il.ibm.com>
11073
11074         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Skip
11075         statements that are not vectorized.
11076         * tree-vect-stmts.c (vect_get_load_cost): Update the value stored
11077         in INSIDE_COST.
11078
11079 2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>
11080
11081         PR bootstrap/44820
11082         * config/arm/arm.c (arm_attr_length_move_neon): Delete regno.
11083
11084 2010-07-05  Richard Guenther  <rguenther@suse.de>
11085
11086         * tree-cfg.c (verify_gimple_return): Handle DECL_BY_REFERENCE
11087         RESULT_DECLs properly.
11088
11089 2010-07-04  H.J. Lu  <hongjiu.lu@intel.com>
11090
11091         PR rtl-optimization/44695
11092         * config/i386/i386.md (extract_code): Removed.
11093         (<u>divmodqi4): Likewise.
11094         (divmodqi4): New.
11095         (udivmodqi4): Likewise.
11096         (divmodhiqi3): Change div/mod to HImode and extend operand 2 to HImode.
11097         (udivmodhiqi3): Likewise.
11098
11099 2010-07-04  Jan Hubicka  <jh@suse.cz>
11100
11101         * lto-cgraph.c (input_edge): Do not care about resolution decisions.
11102
11103 2010-07-04  Jan Hubicka  <jh@suse.cz>
11104
11105         * cgraphunit.c (init_cgraph): Only initialize dump file if it
11106         is not already initialized.
11107
11108 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
11109
11110         * optabs.h (reload_in_optab, reload_out_optab, code_to_optab)
11111         (vcond_gen_code, vcondu_gen_code, movmem_optab, setmem_optab)
11112         (cmpstr_optab, cmpstrn_optab, cmpmem_optab, sync_add_optab)
11113         (sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab)
11114         (sync_nand_optab, sync_old_add_optab, sync_old_sub_optab)
11115         (sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab)
11116         (sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab)
11117         (sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab)
11118         (sync_new_nand_optab): Redefine as macros.
11119         (sync_compare_and_swap, sync_lock_test_and_set, sync_lock_release):
11120         Delete.
11121         (direct_optab_index): New enum.
11122         (direct_optab_d): New structure.
11123         (direct_optab): New typedef.
11124         (direct_optab_table): Declare.
11125         (direct_optab_handler, set_direct_optab_handler): New functions.
11126         (sync_compare_and_swap_optab, sync_lock_test_and_set_optab)
11127         (sync_lock_release_optab): New macros.
11128         * optabs.c (direct_optab_table): New variable.
11129         (movcc_gen_code, vcond_gen_code, vcondu_gen_code): Delete.
11130         (prepare_cmp_insn): Use direct_optab_handler for cmpmem_optab,
11131         cmpstr_optab and cmpstrn_optab.
11132         (emit_conditional_move): Likewise for movcc_optab.
11133         (can_conditionally_move_p): Likewise for movcc_gen_code.
11134         (init_insn_codes): Clear direct_optab_table.
11135         (init_optabs): Don't initialize the new "direct optabs" here.
11136         (get_vcond_icode): Use direct_optab_handler for vcondu_gen_code and
11137         vcond_gen_code.
11138         (expand_val_compare_and_swap): Likewise sync_compare_and_swap_optab.
11139         (expand_bool_compare_and_swap): Likewise sync_compare_and_swap_optab.
11140         (expand_compare_and_swap_loop): Likewise sync_compare_and_swap_optab.
11141         (expand_sync_operation): Likewise other sync_*_optabs.
11142         (expand_sync_fetch_operation): Likewise.  Rename sync_compare_and_swap
11143         to sync_compare_and_swap_optab.
11144         (expand_sync_lock_test_and_set): Use direct_optab_handler for
11145         sync_lock_test_and_set and sync_compare_and_swap, adding "_optab"
11146         to the names of both.
11147         * builtins.c (expand_builtin_strcmp): Use direct_optab_handler for
11148         cmpstr_optab and cmpstrn_optab.
11149         (expand_builtin_lock_release): Likewise sync_lock_release.
11150         * expr.c (movmem_optab, setmem_optab, cmpstr_optab, cmpstrn_optab)
11151         (cmpmem_optab, sync_add_optab, sync_sub_optab, sync_ior_optab)
11152         (sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab)
11153         (sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab)
11154         (sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab)
11155         (sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab)
11156         (sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap)
11157         (sync_lock_test_and_set, sync_lock_release): Delete.
11158         (emit_block_move_via_movmem): Use direct_optab_handler for movmem_optab.
11159         (emit_block_move_via_setmem): Use direct_optab_handler for setmem_optab.
11160         * genopinit.c (optabs): Use set_direct_optab_handler for the new
11161         macro optabs.
11162         * omp-low.c (expand_omp_atomic_fetch_op): Update the type of
11163         the "optab" local variable.  Use direct_optab_handler for optab and
11164         sync_compare_and_swap_optab.
11165         * reload1.c (reload_in_optab, reload_out_optab): Delete.
11166         * targhooks.c (default_secondary_reload): Use direct_optab_handler for
11167         reload_in_optab and reload_out_optab.
11168         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
11169         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
11170         * config/pa/pa.c (pa_secondary_reload): Likewise.
11171         * java/builtins.c (compareAndSwapInt_builtin): Use direct_optab_handler
11172         for sync_compare_and_swap, renaming it to sync_compare_and_swap_optab.
11173         (compareAndSwapLong_builtin, compareAndSwapObject_builtin): Likewise.
11174         (VMSupportsCS8_builtin): Likewise.
11175
11176 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
11177
11178         * optabs.h (optab_handlers): Change type of insn_code to int.
11179         (optab_handler, set_optab_handler, convert_optab_handler)
11180         (set_convert_optab_handler): Treat the insn_code field as "insn_code -
11181         CODE_FOR_nothing".
11182         * optabs.c (optab_table, convert_optab_table): Always zero-initialize.
11183         (init_insn_codes): Zero both the above arrays.
11184         (init_optabs): Never call init_insn_codes first time around.
11185
11186 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
11187
11188         * optabs.h (optab_handler, convert_optab_handler): Turn into
11189         inline functions that return an insn code.
11190         (set_optab_handler, set_convert_optab_handler): New functions.
11191         * builtins.c: Replace optab_handler(X)->insn_code with
11192         optab_handler or set_optab_handler thoughout.  Likewise
11193         convert_optab_handler(X)->insn_code with convert_optab_handler
11194         and set_convert_optab_handler.
11195         * expmed.c, expr.c, genopinit.c, ifcvt.c, optabs.c, reload.c,
11196         reload1.c, stmt.c, targhooks.c, tree-ssa-loop-prefetch.c,
11197         tree-ssa-math-opts.c, tree-vect-data-refs.c, tree-vect-generic.c,
11198         tree-vect-loop.c, tree-vect-patterns.c, tree-vect-slp.c,
11199         tree-vect-stmts.c, config/m32c/m32c.c, config/rs6000/rs6000.c,
11200         config/spu/spu.c: Likewise.
11201
11202 2010-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
11203
11204         PR target/44531
11205         * config.gcc (sh*-*-*): Use regular expressions instead of
11206         the 'i' modifier for sed substitutions.
11207
11208 2010-07-04  Jeremie Salvucci  <jeremie.salvucci@free.fr>
11209
11210         * gimple.c (gimple_body): Comments added.
11211
11212 2010-07-04  Richard Guenther  <rguenther@suse.de>
11213
11214         PR middle-end/44809
11215         * gimplify.c (gimplify_expr): Properly build a MEM_REF instead
11216         of an INDIRECT_REF.
11217
11218 2010-07-04  Richard Guenther  <rguenther@suse.de>
11219
11220         PR tree-optimization/44479
11221         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
11222         extra SSA name copy statements which preserves points-to
11223         information.
11224         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
11225         Copy points-to information for all pointers.  Properly handle
11226         MEM_REFs.
11227         (vect_create_data_ref_ptr): Likewise.  Avoid extra SSA name
11228         copy statements.
11229         * Makefile.in (tree-ssa-loop-ivopts.o): Add tree-ssa-propagate.h
11230         dependency.
11231
11232 2010-07-04  Richard Guenther  <rguenther@suse.de>
11233
11234         PR middle-end/44785
11235         * tree-inline.c (initialize_inlined_parameters): Do not
11236         re-use pointer-map slot over remap_type call.
11237
11238 2010-07-04  Richard Guenther  <rguenther@suse.de>
11239
11240         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix last commit.
11241
11242 2010-07-04  Richard Guenther  <rguenther@suse.de>
11243
11244         PR tree-optimization/44656
11245         * tree-ssa-sccvn.c (vn_reference_lookup_3): Try disambiguation
11246         again after value-replacing in the defintions lhs.
11247
11248 2010-07-04  Ira Rosen  <irar@il.ibm.com>
11249             Revital Eres  <eres@il.ibm.com>
11250
11251         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST):
11252         Document new arguments.
11253         * doc/tm.texi: Regenerate.
11254         * targhooks.c (default_builtin_vectorization_cost): Add new arguments.
11255         Handle unaligned store.
11256         * targhooks.h (default_builtin_vectorization_cost): Add new arguments.
11257         * target.def (builtin_vectorization_cost): Add new arguments.
11258         * target.h (enum vect_cost_for_stmt): Add unaligned_store.
11259         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Take number
11260         of iterations of prolog loop directly from LOOP_PEELING_FOR_ALIGNMENT.
11261         (vect_vfa_segment_size): Fix indentation.
11262         * tree-vectorizer.h (struct _vect_peel_info): New.
11263         (struct _vect_peel_extended_info): New.
11264         (struct _loop_vec_info): Add new field for peeling hash table and a
11265         macro for its access.
11266         (VECT_MAX_COST): Define.
11267         (vect_get_load_cost): Declare.
11268         (vect_get_store_cost, vect_get_known_peeling_cost,
11269         vect_get_single_scalar_iteraion_cost): Likewise.
11270         (vect_supportable_dr_alignment): Add new argument.
11271         * tree-vect-loop.c (new_loop_vec_info): Initialize peeling hash table
11272         field.
11273         (destroy_loop_vec_info): Free peeling hash table.
11274         (vect_analyze_loop_form): Update call to builtin_vectorization_cost.
11275         (vect_analyze_loop): Move vect_enhance_data_refs_alignment before
11276         vect_analyze_slp. Fix indentation.
11277         (vect_get_single_scalar_iteraion_cost): New function.
11278         (vect_get_known_peeling_cost): Likewise.
11279         (vect_estimate_min_profitable_iters): Rename byte_misalign to npeel.
11280         Call vect_get_single_scalar_iteraion_cost instead of cost_for_stmt per
11281         statement. Move outside cost calculation inside unknown peeling case.
11282         Call vect_get_known_peeling_cost for known amount of peeling.
11283         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Add data
11284         reference to the print message of forced alignment.
11285         (vect_verify_datarefs_alignment): Update call to
11286         vect_supportable_dr_alignment.
11287         (vect_get_data_access_cost): New function.
11288         (vect_peeling_hash, vect_peeling_hash_eq, vect_peeling_hash_insert,
11289         vect_peeling_hash_get_most_frequent, vect_peeling_hash_get_lowest_cost,
11290         vect_peeling_hash_choose_best_peeling): Likewise.
11291         (vect_enhance_data_refs_alignment): Fix documentation. Use hash table
11292         to store all the accesses in the loop and find best possible access to
11293         align using peeling for known alignment case. For unknown alignment
11294         check if stores are preferred or if peeling is worthy.
11295         (vect_find_same_alignment_drs): Analyze pairs of loads too.
11296         (vect_supportable_dr_alignment): Add new argument and check aligned
11297         accesses according to it.
11298         * tree-vect-stmts.c (vect_get_stmt_cost): New function.
11299         (cost_for_stmt): Call vect_get_stmt_cost.
11300         (vect_model_simple_cost): Likewise.
11301         (vect_model_store_cost): Call vect_get_stmt_cost. Call
11302         vect_get_store_cost to calculate the cost of the statement.
11303         (vect_get_store_cost): New function.
11304         (vect_model_load_cost): Call vect_get_stmt_cost. Call
11305         vect_get_load_cost to calculate the cost of the statement.
11306         (vect_get_load_cost): New function.
11307         (vectorizable_store): Update call to vect_supportable_dr_alignment.
11308         (vectorizable_load): Likewise.
11309         * config/spu/spu.c (spu_builtin_vectorization_cost): Add new arguments.
11310         * config/i386/i386.c (ix86_builtin_vectorization_cost): Add new
11311         arguments. Handle unaligned store.
11312         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): New.
11313         (rs6000_builtin_support_vector_misalignment): Return true for word and
11314         double word alignments for VSX.
11315         * tree-vect-slp.c (vect_build_slp_tree): Update calls to
11316         vect_supportable_dr_alignment and builtin_vectorization_cost.
11317
11318 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11319
11320         PR target/44597
11321         * config/pa/predicates.md (prefetch_cc_operand): Remove.
11322         (prefetch_nocc_operand): Likewise.
11323         * config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
11324         (prefetch_20): New insn.
11325         (prefetch_cc): Remove.
11326         (prefetch_nocc): Likewise.
11327
11328 2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
11329
11330         * expr.c (vector_mode_valid_p): Move to c-common.c.
11331         * expr.h (vector_mode_valid_p): Do not declare here.
11332         * system.h: Poison GCC_EXPR_H in front-ends.
11333         * Makefile.in: Update dependencies.
11334
11335 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11336
11337         PR target/44705
11338         * config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.
11339
11340 2010-07-03  Jan Hubicka  <jh@suse.cz>
11341
11342         * timevar.def (TV_OUT_OF_SSA, TV_VAR_EXPAND, TV_POST_EXPAND,
11343         TV_VAR_TRACKING_DATAFLOW, TV_VAR_TRACKING_EMIT): New timevars.
11344         * cfgexpand.c (gimple_expand_cfg): Use new timevars.
11345         * var-tracking.c (vt_find_locations, variable_tracking_main_1):
11346         Likewise.
11347
11348         * lto-stramer-out.c (pass_ipa_lto_gimple_out, pass_ipa_lto_finish_out):
11349         Update timevars.V
11350         * timevar.def (TV_IPA_LTO_GIMPLE_IO, TV_IPA_LTO_DECL_IO): Remove.
11351         (TV_IPA_LTO_GIMPLE_IN, TV_IPA_LTO_GIMPLE_OUT, TV_IPA_LTO_DECL_IN,
11352         TV_IPA_LTO_DECL_OUT): New.
11353         * lto.c (read_cgraph_and_symbols, materialize_cgraph): Update timevars.
11354
11355 2010-07-03  Jan Hubicka  <jh@suse.cz>
11356
11357         * ipa-inline.c (update_edge_key): Break out from ...
11358         update_callers_keys): ... here;
11359         (update_callee_keys): Update only the edges from caller to callee.
11360         (update_all_calle_keys): Do what update_calle_keys did.
11361         (decide_inlining_of_small_functions): Avoid recomputing of all
11362         callees when badness increase.
11363
11364 2010-07-03  Jie Zhang  <jie@codesourcery.com>
11365
11366         * config/arm/arm.c (arm_attr_length_move_neon): New.
11367         * config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
11368         * config/arm/neon.md (define_mode_attr V_slen): Remove.
11369         (neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
11370         to compute length attribute.
11371
11372 2010-07-03  Jie Zhang  <jie@codesourcery.com>
11373
11374         * config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
11375         as predicate for operand 1 and remove its constraint.
11376         * config/arm/predicates.md (vfp_register_operand): New.
11377         * config/arm/arm.md (*push_multi): Remove the constraint of operand 1.
11378         (*push_fp_multi): Likewise.
11379
11380 2010-07-03  Eric Botcazou  <ebotcazou@adacore.com>
11381
11382         * gimplify.c (mostly_copy_tree_r): Deal with BIND_EXPR.
11383
11384 2010-07-03  Jan Hubicka  <jh@suse.cz>
11385
11386         * config/i386/i386.c (override_options): Revert accidental commit.
11387
11388 2010-07-02  Le-Chun Wu  <lcwu@google.com>
11389
11390         PR c++/44128
11391         * doc/invoke.texi: Update documentation of -Wshadow.
11392
11393 2010-07-02  Daniel Jacobowitz  <dan@codesourcery.com>
11394             Julian Brown  <julian@codesourcery.com>
11395             Sandra Loosemore  <sandra@codesourcery.com>
11396
11397         * config/arm/arm.c (arm_canonicalize_comparison): Canonicalize DImode
11398         comparisons.  Adjust to take both operands.
11399         (arm_select_cc_mode): Handle DImode comparisons.
11400         (arm_gen_compare_reg): Generate a scratch register for DImode
11401         comparisons which require one.  Use xor for Thumb equality checks.
11402         (arm_const_double_by_immediates): New.
11403         (arm_print_operand): Allow 'Q' and 'R' for constants.
11404         (get_arm_condition_code): Handle new CC_CZmode and CC_NCVmode.
11405         * config/arm/arm.h (CANONICALIZE_COMPARISON): Always use
11406         arm_canonicalize_comparison.
11407         * config/arm/arm-modes.def: Add CC_CZmode and CC_NCVmode.
11408         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
11409         prototype.
11410         (arm_const_double_by_immediates): Declare.
11411         * config/arm/constraints.md (Di): New constraint.
11412         * config/arm/predicates.md (arm_immediate_di_operand)
11413         (arm_di_operand, cmpdi_operand): New.
11414         * config/arm/arm.md (cbranchdi4): Handle non-Cirrus also.
11415         (*arm_cmpdi_insn, *arm_cmpdi_unsigned)
11416         (*arm_cmpdi_zero, *thumb_cmpdi_zero): New insns.
11417         (cstoredi4): Handle non-Cirrus also.
11418
11419 2010-07-02  Julian Brown  <julian@codesourcery.com>
11420             Sandra Loosemore  <sandra@codesourcery.com>
11421
11422         PR target/43703
11423         * config/arm/vec-common.md (add<mode>3, sub<mode>3, smin<mode>3)
11424         (smax<mode>3): Disable for NEON float modes when
11425         flag_unsafe_math_optimizations is false.
11426         * config/arm/neon.md (*add<mode>3_neon, *sub<mode>3_neon)
11427         (*mul<mode>3_neon)
11428         (mul<mode>3add<mode>_neon, mul<mode>3neg<mode>add<mode>_neon)
11429         (reduc_splus_<mode>, reduc_smin_<mode>, reduc_smax_<mode>): Disable
11430         for NEON float modes when flag_unsafe_math_optimizations is false.
11431         (quad_halves_<code>v4sf): Only enable if
11432         flag_unsafe_math_optimizations is true.
11433         * doc/invoke.texi (ARM Options): Add note about floating point
11434         vectorization requiring -funsafe-math-optimizations.
11435
11436 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11437             Julian Brown  <julian@codesourcery.com>
11438
11439         * config/arm/neon.md (UNSPEC_VABA): Delete.
11440         (UNSPEC_VABAL): Delete.
11441         (UNSPEC_VABS): Delete.
11442         (UNSPEC_VMUL_N): Delete.
11443         (adddi3_neon): New.
11444         (subdi3_neon): New.
11445         (mul<mode>3add<mode>_neon): Make the pattern named.
11446         (mul<mode>3neg<mode>add<mode>_neon): Likewise.
11447         (neon_vadd<mode>): Replace with define_expand, and move the remaining
11448         unspec parts...
11449         (neon_vadd<mode>_unspec): ...to this.
11450         (neon_vmla<mode>, neon_vmla<mode>_unspec): Likewise.
11451         (neon_vlms<mode>, neon_vmls<mode>_unspec): Likewise.
11452         (neon_vsub<mode>, neon_vsub<mode>_unspec): Likewise.
11453         (neon_vaba<mode>): Rewrite in terms of vabd.
11454         (neon_vabal<mode>): Rewrite in terms of vabdl.
11455         (neon_vabs<mode>): Rewrite without unspec.
11456         * config/arm/arm.md (*arm_adddi3): Disable for TARGET_NEON.
11457         (*arm_subdi3): Likewise.
11458         * config/arm/neon.ml (Vadd, Vsub): Split out 64-bit variants and add
11459         No_op attribute to disable assembly output checks.
11460         * config/arm/arm_neon.h: Regenerated.
11461         * doc/arm-neon-intrinsics.texi: Regenerated.
11462
11463 2010-07-02  Jan Hubicka  <jh@suse.cz>
11464
11465         * ipa-split.c (split_function): For aggregate values, set the return
11466         slot optimization bit.  When passing DECL_BY_REFERENCE, produce
11467         *<retval> = fncall.part ().
11468         (execute_split_functions): Do not care about DECL_BY_REFERENCE.
11469
11470 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11471
11472         * config/arm/neon.md (UNSPEC_VAND): Delete.
11473         (UNSPEC_VBIC): Delete.
11474         (UNSPEC_VCLZ): Delete.
11475         (UNSPEC_VCNT): Delete.
11476         (UNSPEC_VEOR): Delete.
11477         (UNSPEC_VORN): Delete.
11478         (UNSPEC_VORR): Delete.
11479         (iordi3_neon): Rewrite RTL without unspec.  Add alternatives to handle
11480         core registers too.
11481         (anddi3_neon): Likewise.
11482         (orndi3_neon): Likewise.
11483         (bicdi3_neon): Likewise.
11484         (xordi3_neon): Likewise.
11485         (neon_vclz<mode>): Rewrite as define_expand and clz<mode>2 to get
11486         rid of unspec and handle unused operand.
11487         (neon_vcnt<mode>): Similarly, with popcount<mode>2.
11488         * config/arm/predicates.md (imm_for_neon_logic_operand):
11489         Require TARGET_NEON.
11490         (imm_for_neon_inv_logic_operand): Likewise.
11491         * config/arm/arm.md (define_split for logical_binary_operator):
11492         Disable for NEON registers.
11493         (anddi3): Add new define_expand, and rename the insn.  Disable
11494         this insn for NEON, where anddi3_neon now applies.
11495         (*anddi_notdi_di): Disable for TARGET_NEON, where bicdi3_neon applies.
11496         (iordi3): As for anddi3.
11497         (xordi3): Likewise.
11498         * config/arm/neon.ml (Vand): Split DImode variants and mark them
11499         as No_op to disable testing for exact instruction match.
11500         (Vorr): Likewise.
11501         (Veor): Likewise.
11502         (Vbic): Likewise.
11503         (Vorn): Likewise.
11504         * config/arm/arm_neon.h: Regenerated.
11505         * doc/arm-neon-intrinsics.texi: Regenerated.
11506
11507 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
11508
11509         * expr.h (emit_stack_probe): Declare.
11510         * explow.c (emit_stack_probe): Make global.
11511         (anti_adjust_stack_and_probe): Fix comments.
11512         * config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
11513         * config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
11514         * config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
11515         * config/sparc/sparc.c: Include except.h.
11516         (sparc_emit_probe_stack_range): New function.
11517         (output_probe_stack_range): Likewise.
11518         (sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
11519         built-in stack checking is enabled.
11520         * config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
11521         * config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
11522         (probe_stack_range): New insn.
11523
11524 2010-07-02  Richard Guenther  <rguenther@suse.de>
11525
11526         PR target/43958
11527         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Use pointer arithmetic
11528         for argument alignment.
11529
11530 2010-07-02  Jan Hubicka  <jh@suse.cz>
11531
11532         * ipa-split.c (verify_non_ssa_vars): Break out from ...; perform DFS
11533         walk backwards from entry_bb to check only those basic block of header
11534         that might lead to execution of split part.
11535         (consider_split) ... here.
11536         (find_return_bb): Allow assignment in return BB.
11537         (find_retval): New.
11538         (split_function): Fix name of cloned function; take care of updating
11539         return value in return_bb containing move.
11540
11541 2010-07-02  Andreas Schwab  <schwab@linux-m68k.org>
11542
11543         PR target/44771
11544         * config/m68k/m68k.c (m68k_expand_prologue): Remove set but not
11545         used variable insn.
11546
11547 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
11548
11549         * implicit-zee.c (combine_reaching_defs): Fix long lines.
11550         (is_set_with_extension_DI): Delete.
11551         (struct zero_extend_info): New structure.
11552         (add_removable_zero_extend): New function.
11553         (find_removable_zero_extends): Use note_stores to find SETs.
11554         (find_and_remove_ze): Fix long line, remove superfluous parentheses.
11555
11556 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
11557
11558         * tree-ssa-loop-prefetch.c (compute_miss_rate): Rename to
11559         is_miss_rate_acceptable. Pull total_positions computation
11560         out of the loops.  Early return if miss_positions exceeds
11561         the acceptable threshold.
11562         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Call
11563         is_miss_rate_acceptable after renaming of compute_miss_rate.
11564
11565 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
11566
11567         PR middle-end/44576
11568         * tree-ssa-loop-prefetch.c (compute_miss_rate): Return 1000 (out
11569         of 1000) for miss rate if the address diference is greater than or
11570         equal to the cache line size (the two reference will never hit the
11571         same cache line).
11572
11573 2010-07-02  Bernd Schmidt  <bernds@codesourcery.com>
11574
11575         PR target/42835
11576         * config/arm/arm-modes.def (CC_NOTB): New mode.
11577         * config/arm/arm.c (get_arm_condition_code): Handle it.
11578         * config/arm/thumb2.md (thumb2_compare_scc): Delete pattern.
11579         * config/arm/arm.md (subsi3_compare0_c): New pattern.
11580         (compare_scc): Now a define_and_split.  Add a number of extra
11581         splitters before it.
11582
11583         PR target/42172
11584         * config/arm/arm.c (thumb1_rtx_costs): Improve support for SIGN_EXTEND
11585         and ZERO_EXTEND.
11586         (arm_rtx_costs_1): Likewise.
11587         (arm_size_rtx_costs): Use arm_rtx_costs_1 for these codes.
11588         * config/arm/arm.md (is_arch6): New attribute.
11589         (zero_extendhisi2, zero_extendqisi2, extendhisi2,
11590         extendqisi2): Tighten the code somewhat, avoiding invalid
11591         RTL to occur in the expander patterns.
11592         (thumb1_zero_extendhisi2): Merge with thumb1_zero_extendhisi2_v6.
11593         (thumb1_zero_extendhisi2_v6): Delete.
11594         (thumb1_extendhisi2): Merge with thumb1_extendhisi2_v6.
11595         (thumb1_extendhisi2_v6): Delete.
11596         (thumb1_extendqisi2): Merge with thumb1_extendhisi2_v6.
11597         (thumb1_extendqisi2_v6): Delete.
11598         (zero_extendhisi2 for register input splitter): New.
11599         (zero_extendqisi2 for register input splitter): New.
11600         (thumb1_extendhisi2 for register input splitter): New.
11601         (extendhisi2 for register input splitter): New.
11602         (extendqisi2 for register input splitter): New.
11603         (TARGET_THUMB1 extendqisi2 for memory input splitter): New.
11604         (arm_zero_extendhisi2): Allow nonimmediate_operand for operand 1,
11605         and add support for a register alternative requiring a split.
11606         (thumb1_zero_extendqisi2): Likewise.
11607         (arm_zero_extendqisi2): Likewise.
11608         (arm_extendhisi2): Likewise.
11609         (arm_extendqisi2): Likewise.
11610
11611 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11612
11613         * config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
11614         instead of an unspec.
11615         (neon_expand_vector_init): Likewise.
11616         * config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
11617         (UNSPEC_VDUP_LANE): Delete.
11618         (UNSPEC VDUP_N): Delete.
11619         (UNSPEC_VGET_HIGH): Delete.
11620         (UNSPEC_VGET_LANE): Delete.
11621         (UNSPEC_VGET_LOW): Delete.
11622         (UNSPEC_VMVN): Delete.
11623         (UNSPEC_VSET_LANE): Delete.
11624         (V_double_vector_mode): New.
11625         (vec_set<mode>_internal): Make code emitted match that for the
11626         corresponding intrinsics.
11627         (vec_setv2di_internal): Likewise.
11628         (neon_vget_lanedi): Rewrite to expand into emit_move_insn.
11629         (neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
11630         (neon_vset_lane<mode>): Combine double and quad patterns and
11631         expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
11632         (neon_vset_lanedi): Rewrite to expand into emit_move_insn.
11633         (neon_vdup_n<mode>): Rewrite RTL without unspec.
11634         (neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
11635         (neon_vdup_nv2di): Rewrite RTL without unspec and merge with
11636         with neon_vdup_lanev2di, adjusting the pattern from the latter
11637         to be predicable for consistency.
11638         (neon_vdup_lane<mode>_internal): New.
11639         (neon_vdup_lane<mode>): Turn into a define_expand and rewrite
11640         to avoid using an unspec.
11641         (neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
11642         (neon_vdup_lanev2di): Turn into a define_expand.
11643         (neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
11644         (neon_vget_high<mode>): Replace with....
11645         (neon_vget_highv16qi): New pattern using canonical RTL.
11646         (neon_vget_highv8hi): Likewise.
11647         (neon_vget_highv4si): Likewise.
11648         (neon_vget_highv4sf): Likewise.
11649         (neon_vget_highv2di): Likewise.
11650         (neon_vget_low<mode>): Replace with....
11651         (neon_vget_lowv16qi): New pattern using canonical RTL.
11652         (neon_vget_lowv8hi): Likewise.
11653         (neon_vget_lowv4si): Likewise.
11654         (neon_vget_lowv4sf): Likewise.
11655         (neon_vget_lowv2di): Likewise.
11656
11657         * config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
11658         test for this emitting vmov.
11659         (Vset_lane): Likewise.
11660         (Vdup_n): Likewise.
11661         (Vmov_n): Likewise.
11662
11663         * doc/arm-neon-intrinsics.texi: Regenerated.
11664
11665 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11666
11667         * config/arm/neon.md (vec_extractv2di): Correct error in register
11668         numbering to reconcile with neon_vget_lanev2di.
11669
11670 2010-07-02  Richard Guenther  <rguenther@suse.de>
11671
11672         * tree-ssa-structalias.c (pt_solution_set_var): New function.
11673         * tree-ssa-alias.h (pt_solution_set_var): Declare.
11674         * tree-ssa-loop-ivopts.c (copy_ref_info): Also copy or create
11675         points-to information.
11676
11677 2010-07-02  Christian Borntraeger  <borntraeger@de.ibm.com>
11678
11679         * config/s390/s390.c (override_options): Adopt prefetching
11680         at -O3 to handle flag_prefetch_loop_arrays as a tristate.
11681
11682 2010-07-02  Jan Hubicka  <jh@suse.cz>
11683
11684         * df-problems.c (df_kill_notes): Do not collect dead  notes.
11685         (df_set_note): Just call add_reg_note.
11686         (df_set_unused_notes_for_mw, df_set_dead_notes_for_mw,
11687         df_create_unused_note): Do not deal with lists of old notes.
11688         (df_note_bb_compute): Likewise.
11689
11690 2010-07-02  Richard Guenther  <rguenther@suse.de>
11691
11692         * tree-ssa-structalias.c (find_func_aliases): Handle
11693         pointer alignment via BIT_AND_EXPR.
11694         * tree-vrp.c (extract_range_from_binary_expr): Likewise.
11695
11696 2010-07-02  Richard Guenther  <rguenther@suse.de>
11697
11698         * tree-data-ref.c (initialize_data_dependence_relation): Handle
11699         mismatching number of dimensions properly.
11700
11701 2010-07-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11702
11703         PR target/44707
11704         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Recognize
11705         (lo_sum (high ...) ...) patterns generated by earlier passes.
11706
11707 2010-07-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11708
11709         * doc/install.texi (Prerequisites): Document Perl requirement on
11710         Solaris 2.
11711         (Specific, *-*-solaris2*): Document GNU c++filt requirement.
11712
11713 2010-07-02  Richard Guenther  <rguenther@suse.de>
11714
11715         PR middle-end/44777
11716         * tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.
11717
11718 2010-07-02  Jan Hubicka  <jh@suse.cz>
11719
11720         PR middle-end/44706
11721         * predict.c (predict_paths_for_bb): Handle case when control dependence
11722         BB has only abnormal edges.
11723
11724 2010-07-02  Richard Guenther  <rguenther@suse.de>
11725
11726         PR tree-optimization/44748
11727         * tree-ssa-ccp.c (fold_const_aggregate_ref): Properly handle
11728         the embedded conversion in MEM_REFs.
11729
11730 2010-07-01  López-Ibáñez  <manu@gcc.gnu.org>
11731
11732         * reload.c: Include toplev.h.
11733         * recog.c:  Likewise.
11734         * Makefile.in: Adjust dependencies.
11735
11736 2010-07-01  Jakub Jelinek  <jakub@redhat.com>
11737
11738         PR debug/44694
11739         * dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
11740         or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.
11741
11742 2010-07-01  Richard Guenther  <rguenther@suse.de>
11743
11744         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
11745         types for offsets.
11746
11747 2010-07-01  Joern Rennecke  <joern.rennecke@embecosm.com>
11748
11749         PR target/44732
11750         * config/ia64/ia64.c (ia64_register_move_cost): Remove stray '{'.
11751         Fix argument types.
11752
11753 2010-07-01  Bernd Schmidt  <bernds@codesourcery.com>
11754
11755         PR target/44727
11756         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
11757         Make sure operand 0 dies.
11758
11759 2010-07-01  Richard Guenther  <rguenther@suse.de>
11760
11761         PR middle-end/42834
11762         PR middle-end/44468
11763         * doc/gimple.texi (is_gimple_mem_ref_addr): Document.
11764         * doc/generic.texi (References to storage): Document MEM_REF.
11765         * tree-pretty-print.c (dump_generic_node): Handle MEM_REF.
11766         (print_call_name): Likewise.
11767         * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF.
11768         (build_simple_mem_ref_loc): New function.
11769         (mem_ref_offset): Likewise.
11770         * tree.h (build_simple_mem_ref_loc): Declare.
11771         (build_simple_mem_ref): Define.
11772         (mem_ref_offset): Declare.
11773         * fold-const.c: Include tree-flow.h.
11774         (operand_equal_p): Handle MEM_REF.
11775         (build_fold_addr_expr_with_type_loc): Likewise.
11776         (fold_comparison): Likewise.
11777         (fold_unary_loc): Fold
11778         VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>.
11779         (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2],
11780         fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2].
11781         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF.
11782         (ptr_deref_may_alias_ref_p_1): Likewise.
11783         (ao_ref_base_alias_set): Properly differentiate base object for
11784         offset and TBAA.
11785         (ao_ref_init_from_ptr_and_size): Use MEM_REF.
11786         (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly.
11787         (indirect_refs_may_alias_p): Likewise.
11788         (refs_may_alias_p_1): Likewise.  Remove pointer SSA name def
11789         chasing code.
11790         (ref_maybe_used_by_call_p_1): Handle MEM_REF.
11791         (call_may_clobber_ref_p_1): Likewise.
11792         * dwarf2out.c (loc_list_from_tree): Handle MEM_REF.
11793         * expr.c (expand_assignment): Handle MEM_REF.
11794         (store_expr): Handle MEM_REFs from STRING_CSTs.
11795         (store_field): If expanding a MEM_REF of a non-addressable
11796         decl use bitfield operations.
11797         (get_inner_reference): Handle MEM_REF.
11798         (expand_expr_addr_expr_1): Likewise.
11799         (expand_expr_real_1): Likewise.
11800         * tree-eh.c (tree_could_trap_p): Handle MEM_REF.
11801         * alias.c (ao_ref_from_mem): Handle MEM_REF.
11802         (get_alias_set): Likewise.  Properly handle VIEW_CONVERT_EXPRs.
11803         * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF.
11804         (dr_analyze_indices): Likewise.
11805         (dr_analyze_alias): Likewise.
11806         (object_address_invariant_in_loop_p): Likewise.
11807         * gimplify.c (mark_addressable): Handle MEM_REF.
11808         (gimplify_cond_expr): Build MEM_REFs.
11809         (gimplify_modify_expr_to_memcpy): Likewise.
11810         (gimplify_init_ctor_preeval_1): Handle MEM_REF.
11811         (gimple_fold_indirect_ref): Adjust.
11812         (gimplify_expr): Handle MEM_REF.  Gimplify INDIRECT_REF to MEM_REF.
11813         * tree.def (MEM_REF): New tree code.
11814         * tree-dfa.c: Include toplev.h.
11815         (get_ref_base_and_extent): Handle MEM_REF.
11816         (get_addr_base_and_unit_offset): New function.
11817         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF.
11818         * gimple-fold.c (may_propagate_address_into_dereference): Handle
11819         MEM_REF.
11820         (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds
11821         accesses if the array has just one dimension.  Remove always true
11822         parameter.  Do not require type compatibility here.
11823         (maybe_fold_offset_to_component_ref): Remove.
11824         (maybe_fold_stmt_indirect): Remove.
11825         (maybe_fold_reference): Remove INDIRECT_REF handling.
11826         Fold back to non-MEM_REF.
11827         (maybe_fold_offset_to_address): Simplify.  Deal with type
11828         mismatches here.
11829         (maybe_fold_reference): Likewise.
11830         (maybe_fold_stmt_addition): Likewise.  Also handle
11831         &ARRAY + I in addition to &ARRAY[0] + I.
11832         (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs.
11833         (gimple_get_relevant_ref_binfo): Handle MEM_REF.
11834         * cfgexpand.c (expand_debug_expr): Handle MEM_REF.
11835         * tree-ssa.c (useless_type_conversion_p): Make most pointer
11836         conversions useless.
11837         (warn_uninitialized_var): Handle MEM_REF.
11838         (maybe_rewrite_mem_ref_base): New function.
11839         (execute_update_addresses_taken): Implement re-writing of MEM_REFs
11840         to SSA form.
11841         * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove
11842         INDIRECT_REF handling.
11843         (copy_tree_body_r): Handle MEM_REF.
11844         * gimple.c (is_gimple_addressable): Adjust.
11845         (is_gimple_address): Likewise.
11846         (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with
11847         invariant base are invariant.
11848         (is_gimple_min_lval): Adjust.
11849         (is_gimple_mem_ref_addr): New function.
11850         (get_base_address): Handle MEM_REF.
11851         (count_ptr_derefs): Likewise.
11852         (get_base_loadstore): Likewise.
11853         * gimple.h (is_gimple_mem_ref_addr): Declare.
11854         (gimple_call_fndecl): Handle invariant MEM_REF addresses.
11855         * tree-cfg.c (verify_address): New function, split out from ...
11856         (verify_expr): ... here.  Use for verifying ADDR_EXPRs and
11857         the address operand of MEM_REFs.  Verify MEM_REFs.  Reject
11858         INDIRECT_REFs.
11859         (verify_types_in_gimple_min_lval): Handle MEM_REF.  Disallow
11860         INDIRECT_REF.  Allow conversions.
11861         (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of
11862         a register does not change its size.
11863         (verify_types_in_gimple_reference): Verify MEM_REF.
11864         (verify_gimple_assign_single): Disallow INDIRECT_REF.
11865         Handle MEM_REF.
11866         * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable):
11867         New.
11868         (mark_address_taken): Handle MEM_REF.
11869         (get_indirect_ref_operands): Pass through opf_not_non_addressable.
11870         (get_asm_expr_operands): Pass opf_not_non_addressable.
11871         (get_expr_operands): Handle opf_[not_]non_addressable.
11872         Handle MEM_REF.  Remove INDIRECT_REF handling.
11873         * tree-vrp.c (check_array_ref): Handle MEM_REF.
11874         (search_for_addr_array): Likewise.
11875         (check_array_bounds): Likewise.
11876         (vrp_stmt_computes_nonzero): Adjust for MEM_REF.
11877         * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF.
11878         (ref_always_accessed_p): Likewise.
11879         (gen_lsm_tmp_name): Likewise.  Handle ADDR_EXPR.
11880         * tree-complex.c (extract_component): Do not handle INDIRECT_REF.
11881         Handle MEM_REF.
11882         * cgraphbuild.c (mark_load): Properly check for NULL result
11883         from get_base_address.
11884         (mark_store): Likewise.
11885         * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF.
11886         * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF
11887         handling for MEM_REF.
11888         * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle
11889         &MEM[ptr + CST] similar to POINTER_PLUS_EXPR.
11890         * builtins.c (stabilize_va_list_loc): Use the function ABI
11891         valist type if we couldn't canonicalize the argument type.
11892         Always dereference with the canonical va-list type.
11893         (maybe_emit_free_warning): Handle MEM_REF.
11894         (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding
11895         memmove to memcpy.
11896         * builtins.c (fold_builtin_memory_op): Use ref-all types
11897         for all memcpy foldings.
11898         * omp-low.c (build_receiver_ref): Adjust for MEM_REF.
11899         (build_outer_var_ref): Likewise.
11900         (scan_omp_1_op): Likewise.
11901         (lower_rec_input_clauses): Likewise.
11902         (lower_lastprivate_clauses): Likewise.
11903         (lower_reduction_clauses): Likewise.
11904         (lower_copyprivate_clauses): Likewise.
11905         (expand_omp_atomic_pipeline): Likewise.
11906         (expand_omp_atomic_mutex): Likewise.
11907         (create_task_copyfn): Likewise.
11908         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF.
11909         Remove old union trick.  Initialize constant offsets.
11910         (ao_ref_init_from_vn_reference): Likewise.  Do not handle
11911         INDIRECT_REF.  Init base_alias_set properly.
11912         (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF.
11913         (vn_reference_fold_indirect): Adjust for MEM_REFs.
11914         (valueize_refs): Fold MEM_REFs.  Re-evaluate constant offset
11915         for ARRAY_REFs.
11916         (may_insert): Remove.
11917         (visit_reference_op_load): Do not test may_insert.
11918         (run_scc_vn): Remove parameter, do not fiddle with may_insert.
11919         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
11920         a field to store the constant offset this op applies.
11921         (run_scc_vn): Adjust prototype.
11922         * cgraphunit.c (thunk_adjust): Adjust for MEM_REF.
11923         * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with
11924         MEM_REF.  Propagate &foo + CST as &MEM[&foo, CST].  Do not
11925         bother about volatile qualifiers on pointers.
11926         (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF.
11927         * tree-ssa-loop-ivopts.c
11928         * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF.
11929         (strip_offset_1): Likewise.
11930         (find_interesting_uses_address): Replace INDIRECT_REF handling with
11931         MEM_REF handling.
11932         (get_computation_cost_at): Likewise.
11933         * ipa-pure-const.c (check_op): Handle MEM_REF.
11934         * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF.
11935         * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF
11936         and constants.
11937         * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF.
11938         * tree-parloops.c (take_address_of): Adjust for MEM_REF.
11939         (eliminate_local_variables_1): Likewise.
11940         (create_call_for_reduction_1): Likewise.
11941         (create_loads_for_reductions): Likewise.
11942         (create_loads_and_stores_for_name): Likewise.
11943         * matrix-reorg.c (may_flatten_matrices_1): Sanitize.
11944         (ssa_accessed_in_tree): Handle MEM_REF.
11945         (ssa_accessed_in_assign_rhs): Likewise.
11946         (update_type_size): Likewise.
11947         (analyze_accesses_for_call_stmt): Likewise.
11948         (analyze_accesses_for_assign_stmt): Likewise.
11949         (transform_access_sites): Likewise.
11950         (transform_allocation_sites): Likewise.
11951         * tree-affine.c (tree_to_aff_combination): Handle MEM_REF.
11952         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
11953         not handle INDIRECT_REF.
11954         * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF.
11955         (cond_store_replacement): Likewise.
11956         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
11957         MEM_REF, no not handle INDIRECT_REFs.
11958         (insert_into_preds_of_block): Properly initialize avail.
11959         (phi_translate_1): Fold MEM_REFs.  Re-evaluate constant offset
11960         for ARRAY_REFs.  Properly handle reference lookups that
11961         require a bit re-interpretation.
11962         (can_PRE_operation): Do not handle INDIRECT_REF.  Handle MEM_REF.
11963         * tree-sra.c (build_access_from_expr_1): Handle MEM_REF.
11964         (build_ref_for_offset_1): Remove.
11965         (build_ref_for_offset): Build MEM_REFs.
11966         (gate_intra_sra): Disable for now.
11967         (sra_ipa_modify_expr): Handle MEM_REF.
11968         (ipa_early_sra_gate): Disable for now.
11969         * tree-sra.c (create_access): Swap INDIRECT_REF handling for
11970         MEM_REF handling.
11971         (disqualify_base_of_expr): Likewise.
11972         (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for
11973         MEM_REF handling.
11974         (sra_ipa_modify_expr): Remove INDIRECT_REF handling.
11975         Use mem_ref_offset.  Remove bogus folding.
11976         (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA.
11977         (make_fancy_name_1): Add support for MEM_REF.
11978         * tree-predcom.c (ref_at_iteration): Handle MEM_REFs.
11979         * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF.
11980         * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF.
11981         (compute_complex_ancestor_jump_func): Likewise.
11982         (ipa_analyze_virtual_call_uses): Likewise.
11983         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace
11984         INDIRECT_REF folding with more generalized MEM_REF folding.
11985         (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly.
11986         (forward_propagate_addr_into_variable_array_index): Also handle
11987         &ARRAY + I in addition to &ARRAY[0] + I.
11988         * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF.
11989         * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that
11990         creates assignments with overlap.
11991         * tree-nested.c (get_static_chain): Adjust for MEM_REF.
11992         (get_frame_field): Likewise.
11993         (get_nonlocal_debug_decl): Likewise.
11994         (convert_nonlocal_reference_op): Likewise.
11995         (struct nesting_info): Add mem_refs pointer-set.
11996         (create_nesting_tree): Allocate it.
11997         (convert_local_reference_op): Insert to be folded mem-refs.
11998         (fold_mem_refs): New function.
11999         (finalize_nesting_tree_1): Perform defered folding of mem-refs
12000         (free_nesting_tree): Free the pointer-set.
12001         * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF.
12002         (vectorizable_load): Likewise.
12003         * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF.
12004         (propagate_with_phi): Likewise.
12005         * tree-object-size.c (addr_object_size): Handle MEM_REFs
12006         instead of INDIRECT_REFs.
12007         (compute_object_offset): Handle MEM_REF.
12008         (plus_stmt_object_size): Handle MEM_REF.
12009         (collect_object_sizes_for): Dispatch to plus_stmt_object_size
12010         for &MEM_REF.
12011         * tree-flow.h (get_addr_base_and_unit_offset): Declare.
12012         (symbol_marked_for_renaming): Likewise.
12013         * Makefile.in (tree-dfa.o): Add $(TOPLEV_H).
12014         (fold-const.o): Add $(TREE_FLOW_H).
12015         * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF.
12016         (find_func_clobbers): Likewise.
12017         * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF.
12018         (decompose_access): Likewise.
12019         (replace_field_acc): Likewise.
12020         (replace_field_access_stmt): Likewise.
12021         (insert_new_var_in_stmt): Likewise.
12022         (get_stmt_accesses): Likewise.
12023         (reorg_structs_drive): Disable.
12024         * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF.
12025         (ix86_canonical_va_list_type): Likewise.
12026
12027 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
12028
12029         PR other/44566
12030         * coretypes.h [!USED_FOR_TARGET] (reg_class_t): Define.
12031         * target.def (struct gcc_target): Replace enum reg_class with
12032         reg_class_t in hook argument / return types.
12033         * doc/tm.texi.in (TARGET_SECONDARY_RELOAD): Likewise.
12034         (TARGET_IRA_COVER_CLASSES, TARGET_MEMORY_MOVE_COST): Likewise.
12035         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
12036         * targhooks.h (default_branch_target_register_class): Likewise.
12037         (default_ira_cover_classes, default_secondary_reload): Likewise.
12038         (default_memory_move_cost, default_register_move_cost): Likewise.
12039         * targhooks.c (default_branch_target_register_class): Likewise.
12040         (default_ira_cover_classes, default_secondary_reload): Likewise.
12041         (default_memory_move_cost, default_register_move_cost): Likewise.
12042         * reload.c (push_secondary_reload, secondary_reload_class): Likewise.
12043         * bt-load.c (branch_target_load_optimize): Likewise.
12044         * ira.c (setup_cover_and_important_classes): Likewise.
12045         * ira-costs.c (copy_cost): Likewise.
12046         * reload1.c (emit_input_reload_insns): Likewise.
12047         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
12048         * config/frv/frv.c (frv_secondary_reload): Likewise.
12049         * config/s390/s390.c (s390_secondary_reload): Likewise.
12050         * config/i386/i386.c (i386_ira_cover_classes): Likewise.
12051         (ix86_secondary_reload, ix86_memory_move_cost): Likewise.
12052         (ix86_register_move_cost): Likewise.
12053         * config/sh/sh-protos.h (sh_secondary_reload): Likewise.
12054         * config/sh/sh.c (sh_target_reg_class, sh_secondary_reload): Likewise.
12055         * config/xtensa/xtensa.c (xtensa_secondary_reload): Likewise.
12056         * config/xtensa/xtensa-protos.h (xtensa_secondary_reload): Likewise.
12057         * config/rs6000/rs6000.c (rs6000_secondary_reload): Likewise.
12058         (rs6000_ira_cover_classes): Likewise.
12059         * config/picochip/picochip.c (picochip_secondary_reload): Likewise.
12060         * config/picochip/picochip-protos.h (picochip_secondary_reload):
12061         Likewise.
12062         * config/pa/pa.c (pa_secondary_reload): Likewise.
12063         * config/mips/mips.c (mips_ira_cover_classes): Likewise.
12064         * config/bfin/bfin.c (bfin_secondary_reload): Likewise.
12065         * config/ia64/ia64.c (ia64_register_move_cost): Likewise.
12066         * doc/tm.texi: Regenerate.
12067
12068 2010-06-30  Sebastian Pop  <sebastian.pop@amd.com>
12069
12070         PR bootstrrap/44726
12071         * graphite-sese-to-poly.c (build_poly_dr): Avoid uninitialized
12072         use.
12073         (build_alias_set_optimal_p): Likewise.
12074         (build_base_obj_set_for_drs): Likewise.
12075
12076 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
12077
12078         * target.def: Remove comment about licensing problems of function
12079         declarations.
12080
12081         * target.def (declare_constant_name): Change exp to expr.  Use DEFHOOK.
12082         * doc/tm.texi.in (TARGET_ASM_DECLARE_CONSTANT_NAME): Use @hook.
12083         * doc/tm.texi: Regenerate.
12084
12085         * target.def (builtin_reciprocal): Change tm_fn to md_fn.  Use DEFHOOK.
12086         * doc/tm.texi.in (TARGET_BUILTIN_RECIPROCAL): Use @hook.
12087
12088         * target.def (enum_va_list_p): Use DEFHOOK.
12089         * doc/tm.texi.in (TARGET_ENUM_VA_LIST_P): Use @hook.
12090         Rename ptype to ptree.
12091         * doc/tm.texi: Regenerate.
12092
12093         * target.def (fold_builtin): Rename nargs to n_args.  Use DEFHOOK.
12094         * doc/tm.texi.in (TARGET_FOLD_BUILTIN): Use @hook.
12095         * doc/tm.texi: Regenerate.
12096
12097         * target.def (memory_move_cost): Use DEFHOOK.
12098         * doc/tm.texi.in (TARGET_MEMORY_MOVE_COST): Use @hook.
12099         Rename regclass AKA class to rclass.
12100         * doc/tm.texi: Regenerate.
12101
12102         * target.def (pragma_parse): Use DEFHOOK.
12103         * doc/tm.texi.in (TARGET_OPTION_PRAGMA_PARSE): Use @hook.
12104         s/TARGET_VALID_OPTION_ATTRIBUTE_P/TARGET_OPTION_VALID_ATRIBUTE_P/ .
12105         * doc/tm.texi: Regenerate.
12106
12107         * target.def (pass_by_reference): Use DEFHOOK.
12108         * doc/tm.texi.in (TARGET_PASS_BY_REFERENCE): Use @hook.
12109         * doc/tm.texi: Regenerate.
12110
12111         * target.def (resolve_overloaded_builtin): Rename params to arglist.
12112         Use DEFHOOK.
12113         * doc/tm.texi.in (TARGET_RESOLVE_OVERLOADED_BUILTIN): Use @hook.
12114         * doc/tm.texi: Regenerate.
12115
12116         * target.def (return_pops_args): Use DEFHOOK.
12117         * doc/tm.texi.in (TARGET_RETURN_POPS_ARGS): Use @hook.
12118         Rename stack-size to size.
12119         * doc/tm.texi: Regenerate.
12120
12121         * target.def (dfa_new_cycle): Use DEFHOOK.  Rename dump_file to dump,
12122         last-sched_cycle to last_clock, cur_cycle to clock.
12123         * doc/tm.texi.in: Use @hook.
12124         * doc/tm.texi: Regenerate.
12125
12126         * target.def (print_operand, print_operand_address): Update comment.
12127         (print_operand_punct_valid_p): Likewise.
12128
12129 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12130
12131         * toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
12132         to rtl.h.
12133         (error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
12134         * rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations here.
12135         * rtl-error.h: New.
12136         * regrename.c: Do not include toplev.h. Include rtl-error.h.
12137         * rtl-error.c: Likewise.
12138         * reload.c: Likewise.
12139         * recog.c:  Likewise.
12140         * sel-sched.c: Likewise.
12141         * function.c: Likewise.
12142         * reg-stack.c: Likewise.
12143         * cfgrtl.c: Likewise.
12144         * reload1.c: Likewise.
12145         * final.c: Include rtl-error.
12146         * Makefile.in: Adjust dependencies.
12147
12148 2010-06-30  Jan Hubicka  <jh@suse.cz>
12149
12150         PR middle-end/PR44706
12151         * ipa-split (split_function): Refine conditions when to use DECL_RESULT
12152         to return the value.
12153
12154 2010-06-30  Michael Matz  <matz@suse.de>
12155
12156         PR bootstrap/44699
12157         * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names.
12158         * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is
12159         a gimple reg, attach the original VDEF to the last store in the
12160         sequence.
12161
12162 2010-06-30  Iain Sandoe  <iains@gcc.gnu.org>
12163
12164         PR other/44034
12165         * config/darwin.c (darwin_override_options): Use renamed
12166         targetm.asm_out.emit_unwind_label.
12167
12168 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
12169
12170         PR tree-optimization/39799
12171         * tree-inline.c (remap_ssa_name): Initialize variable only if
12172         SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
12173
12174 2010-06-30  Nathan Froyd  <froydnj@codesourcery.com>
12175
12176         * c-parser.c (c_parser_omp_for_loop): Use a VEC for for_block.
12177
12178 2010-06-30  Richard Guenther  <rguenther@suse.de>
12179
12180         PR target/44722
12181         * config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
12182         against oscillation with reverse peephole2.
12183
12184 2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>
12185
12186         PR target/44721
12187         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
12188         Fix last commit.
12189
12190 2010-06-30  Nick Clifton  <nickc@redhat.com>
12191
12192         * config/rx/rx-modes.def: New file.
12193         * config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
12194         (CC_REGNUM): Define.
12195         (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
12196         register.
12197         (CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
12198         (SELECT_CC_MODE): Define.
12199         * config/rx/rx.md (CC_REG): Define.  Update all patterns to use
12200         (reg:CC CC_REG) instead of (cc0).
12201         (attr "cc"): Delete.
12202         (cbranchsi4): Do not split compare and branch here. Instead move
12203         it to...
12204         (cbranchsi4_<code>): ... here.  New patterns.
12205         (cmpsi): Call rx-compare_redundant to find out if it is necessary
12206         to emit the compare instruction.
12207         * config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
12208         cc_status flags.
12209         (rx_get_stack_layout): Iterate up to before CC_REGNUM not
12210         FIRST_PSEUDO_REGNUM.
12211         (rx_expand_prologue, rx_expand_epilogue): Likewise.
12212         (rx_notice_update_cc): Delete.
12213         (rx_cc_modes_compatible): New function.
12214         (flags_needed_for_conditional): New function.
12215         (flags_from_mode): New function.
12216         (rx_compare_redundant): New function - scans backwards through
12217         insn list to find out if condition flags are already set correctly.
12218         (TARGET_CC_MODES_COMPATIBLE): Define.
12219         * config/rx/rx-protos.h (rx_compare_redundant): Prototype.
12220
12221         * config/rx/rx.h (BRANCH_COST): Define.
12222         (REGISTER_MOVE_COST): Define.
12223         * config/rx/predicates (rx_source_operand): Allow all constant types.
12224         * config/rx/rx.md (addsi3): Add alternative for swapped operands.
12225         (tstsi4): New pattern.
12226         * config/rx/rx.c (rx_memory_move_cost): Define.
12227         (TARGET_MEMORY_MOVE_COST): Define.
12228
12229 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12230
12231         * tree.h (block_may_fallthru): Declare here.
12232         * tree-flow.h (block_may_fallthru): Do not declare here.
12233         * c-typeck.c: Do not include tree-flow.h. Include gimple.h and
12234         bitmap.h
12235         * Makefile.in (c-typeck.o): Update dependencies.
12236
12237 2010-06-30  Jakub Jelinek  <jakub@redhat.com>
12238
12239         PR debug/44694
12240         * cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
12241         * cselib.c (cfa_base_preserved_regno): New static variable.
12242         (cselib_reset_table): Don't reset cfa_base_preserved_regno instead
12243         of REGNO (cfa_base_preserved_val->locs->loc).
12244         (cselib_preserve_cfa_base_value): Add regno argument, set
12245         cfa_base_preserved_regno to it.
12246         (cselib_invalidate_regno): Allow removal of registers other than
12247         cfa_base_preserved_regno from cfa_base_preserved_val.
12248         (cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
12249         * var-tracking.c (adjust_mems): Replace sp or hfp even outside
12250         of MEM addresses, if not on LHS.
12251         (reverse_op): Don't add reverse ops for cfa_base_rtx.
12252         (vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.
12253
12254 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
12255
12256         * recog.c (peep2_do_rebuild_jump_labels, peep2_do_cleanup_cfg): New
12257         static variables.
12258         (peep2_buf_position): New static function.
12259         (peep2_regno_dead_p, peep2_reg_dead_p, peep2_find_free_register,
12260         peephole2_optimize): Use it.
12261         (peep2_attempt, peep2_update_life): New static functions, broken out
12262         of peephole2_optimize.
12263         (peep2_fill_buffer): New static function.
12264         (peephole2_optimize): Change the main loop to try to fill the buffer
12265         with the maximum number of insns before matching them against
12266         peepholes.  Use a forward scan.  Remove special case for targets with
12267         conditional execution.
12268         * genrecog.c (change_state): Delete dead code.
12269         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
12270         Rewrite so as not to expect the second insn to have had a peephole
12271         applied yet.
12272
12273 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
12274
12275         * genhooks.c (emit_findices): Cast field precision to int.
12276         (emit_documentation): Likewise.
12277
12278 2010-06-29  Jakub Jelinek  <jakub@redhat.com>
12279
12280         PR tree-optimization/43801
12281         * cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
12282         if old_decl was DECL_ONE_ONLY.
12283
12284         PR debug/44668
12285         * dwarf2out.c (add_accessibility_attribute): New function.
12286         (gen_subprogram_die, gen_variable_die, gen_field_die): Use it
12287         instead of adding DW_AT_accessibility manually.
12288         (gen_enumeration_type_die, gen_struct_or_union_type_die,
12289         gen_typedef_die): Use it.
12290
12291 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
12292
12293         * vmsdbgout.c (full_name): Just output the file name if not native.
12294
12295 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
12296
12297         * vmsdbgout.c (func_table): Replace with VEC func{nam,num}_tables.
12298         (funcnam_table): New static table.
12299         (funcnum_table): New static table.
12300         (write_rtnbeg): Write value saved in funcnum_table.
12301         (write_rtnend): Write value saved in funcnum_table.
12302         (vmsdbgout_begin_function): Save current function info in
12303         (vmsdbgout_init): Initialize func{nam,num}_tables. Minor reformatting.
12304         (vmsdbgout_finish): Iterate over funcnum_table.
12305
12306 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
12307
12308         * vmsdbgout.c (vmsdbgout_begin_epilogue): Declare
12309         (vmsdbgout_type_decl): Declare
12310         (vmsdbg_debug_hooks): Add entry for type_decl and begin_epilogue.
12311         (FUNC_EPILOGUE_LABEL): New macro
12312         (vmsdbgout_begin_epilogue): New function.
12313         (vmsdbgout_type_decl): New function.
12314
12315 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
12316
12317         * vmsdbg.h: Update copyright.
12318
12319 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
12320
12321         * vmsdbg.h (DST_K_TBG): New DST constant.
12322         * vmsdbgout.c (addr_const_to_string): Removed, not referenced.
12323         (write_modbeg): Cast module_language to avoid warning.
12324         (write_rtnbeg): Use DST_K_TBG vice magic mystery number.
12325
12326 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
12327
12328         PR other/44034
12329         * target.def, doc/tm.texi.in, genhooks.c: New files.
12330         * target.h: Instead of defining individual hook members,
12331         define DEFHOOKPOD / DEFHOOK / DEFHOOK_UNDOC / HOOKSTRUCT and
12332         include target.def.
12333         * target-def.h: Instead of defining individual hook initializers,
12334         include target-hooks-def.h.
12335         * df-scan.c, haifa-sched.c, sel-sched.c: Rename targetm members:
12336         targetm.live_on_entry -> targetm.extra_live_on_entry
12337         targetm.sched.md_finish ->targetm.sched.finish
12338         targetm.sched.md_init -> targetm.sched.init
12339         targetm.sched.md_init_global -> targetm.sched.init_global
12340         targetm.asm_out.unwind_label -> targetm.asm_out.emit_unwind_label
12341         targetm.asm_out.except_table_label ->
12342           targetm.asm_out.emit_except_table_label
12343         targetm.asm_out.visibility -> targetm.asm_out.assemble_visibility
12344         targetm.target_help -> targetm.help
12345         targetm.vectorize.builtin_support_vector_misalignment ->
12346           targetm.vectorize.support_vector_misalignment
12347         targetm.file_start_app_off -> targetm.asm_file_start_app_off
12348         targetm.file_start_file_directive ->
12349          targetm.asm_file_start_file_directive
12350         * dwarf2out.c, opts.c, tree-vect-data-refs.c, except.c: Likewise.
12351         * varasm.c, config/alpha/alpha.c, config/cris/cris.c: Likewise.
12352         * config/spu/spu.c, config/ia64/ia64.c: Rename target macros:
12353         TARGET_VECTOR_ALIGNMENT_REACHABLE ->
12354           TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE
12355         TARGET_SUPPORT_VECTOR_MISALIGNMENT ->
12356           TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT
12357         TARGET_UNWIND_EMIT -> TARGET_ASM_UNWIND_EMIT
12358         * config/rs6000/rs6000.c, config/arm/arm.c: Likewise.
12359         * Makefile.in (TARGET_H): Depend on target.def.
12360         (TARGET_DEF_H): Depend on target-hooks-def.h.
12361         (target-hooks-def.h, tm.texi, s-target-hooks-def-h): New rules.
12362         (s-tm-texi, build/genhooks.o, build/genhooks): Likewise.
12363         * doc/tm.texi: Regenerate.
12364
12365         * Makefile.in (s-tm-texi): Remove stray tab / rule.
12366
12367         * config/m68k/m68k.c (targetm.sched.init_global): Update comment.
12368         (targetm.sched.init): Likewise.
12369
12370 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
12371
12372         PR bootstrap/44713
12373         * config/i386/i386.c (type_natural_mode): Const-ify CUM parameter.
12374         (function_arg_advance_32): Const-ify TYPE parameter.
12375         (function_arg_advance_64): Likewise.  Change type of NAMED to bool.
12376         (ix86_function_arg_advance): Change type of NAMED to bool.
12377         (function_arg_32): Const-ify CUM and TYPE parameters.
12378         (function_arg_64): Likewise.  Change type of NAMED to bool.
12379         (function_arg_ms_64): Const-ify CUM parameter. Change type of NAMED
12380         to bool.
12381         (ix86_function_arg): Change type of NAMED to bool.
12382         (ix86_setup_incoming_varargs): Call ix86_function_arg_advance.  Pass
12383         last argument as a bool.
12384
12385 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
12386
12387         * doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.
12388         (OVERRIDE_OPTIONS): Add note of obsolescence.
12389         Replace references with references to TARGET_OPTION_OVERRIDE.
12390         (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
12391          the macro).
12392         * targhooks.c (default_target_option_override): New function.
12393         * targhooks.h (default_target_option_override): Declare.
12394         * target.h (struct gcc_target): Add override member to
12395         target_option member.
12396         * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
12397         targetm.target_option.override call.
12398         * target-def.h (TARGET_OPTION_OVERRIDE): Define.
12399         (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.
12400
12401 2010-06-29  Jan Hubicka  <jh@suse.cz>
12402
12403         * tree-inline.c: Replace incomming by incomin and clonning by cloning.
12404
12405 2010-06-29  Jan Hubicka  <jh@suse.cz>
12406
12407         * predict.c (propagate_freq): Clear EXIT_BLOCK_PTR frequency if it is
12408         unreachable.
12409         (rebuild_frequencies): New function.
12410         * predict.h (rebuild_frequencies): Declare.
12411         * tree-inline.c (copy_cfg_body): Compute properly count & frequency of
12412         entry block and edge reaching new_entry.
12413         (tree_function_versioning): When doing partial cloning, rebuild
12414         frequencies when done.
12415         * passes.c (execute_function_todo): Use rebild_frequencies.
12416
12417 2010-06-29  Richard Guenther  <rguenther@suse.de>
12418
12419         * tree-dfa.c (dump_variable): Remove noalias_state dumping.
12420         * tree-flow.h (enum noalias_state): Remove.
12421         (struct var_ann_d): Remove noalias_state member.
12422
12423 2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>
12424
12425         PR target/43902
12426         * config/arm/arm.md (maddsidi4, umaddsidi4): New expanders.
12427         (maddhisi4): Renamed from mulhisi3addsi.  Operands renumbered.
12428         (maddhidi4): Likewise.
12429
12430         Revert parts of the change for PR25130.
12431         * cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
12432         MEM_ALIAS_SET.
12433
12434 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
12435
12436         * calls.c, dse.c, expr.c, function.c: Call targetm.calls.function_arg,
12437         targetm.calls.function_incoming_arg, and
12438         targetm.calls.function_arg_advance instead of FUNCTION_ARG,
12439         FUNCTION_INCOMING_ARG, and FUNCTION_ARG_ADVANCE, respectively.
12440         * target.h (struct gcc_target): Add function_arg_advance,
12441         function_arg, and function_incoming_arg fields.
12442         * target-def.h (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG):
12443         (TARGET_FUNCTION_INCOMING_ARG): Define.
12444         (TARGET_CALLS): Add TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG,
12445         and TARGET_FUNCTION_INCOMING_ARG.
12446         * targhooks.h (default_function_arg_advance): Declare.
12447         (default_function_arg, default_function_incoming_arg): Declare.
12448         * targhooks.c (default_function_arg_advance): New function.
12449         (default_function_arg, default_function_incoming_arg): New function.
12450         * config/i386/i386.c (function_arg_advance): Rename to...
12451         (ix86_function_arg_advance): ...this.  Make static.
12452         (function_arg): Rename to...
12453         (ix86_function_arg): ...this.  Make static.
12454         (TARGET_FUNCTION_ARG_ADVANCE): Define.
12455         (TARGET_FUNCTION_ARG): Define.
12456         * config/i386/i386.h (FUNCTION_ARG_ADVANCE): Delete.
12457         (FUNCTION_ARG): Delete.
12458         * config/i386/i386-protos.h (function_arg_advance): Delete prototype.
12459         (function_arg): Delete prototype.
12460
12461 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
12462
12463         * reginfo.c (init_reg_sets_1): Adjust comments.
12464         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Likewise.
12465         * calls.c (prepare_call_address): Likewise.
12466         (emit_call_1): Use targetm.calls.return_pops_args.
12467         (expand_call): Likewise.
12468         * function.c (assign_parms): Likewise.
12469         * system.h (RETURN_POPS_ARGS): Add to #pragma poison list.
12470         * target.h (struct gcc_target) [struct calls]: Add
12471         return_pops_args field.
12472         * targhooks.h (default_return_pops_args): Declare.
12473         * targhooks.c (default_return_pops_args): Define.
12474         * target-def.h (TARGET_RETURN_POPS_ARGS): Define.
12475         (TARGET_CALLS): Add TARGET_RETURN_POPS_ARGS.
12476         * doc/tm.texi (RETURN_POPS_ARGS): Rename to...
12477         (TARGET_RETURN_POPS_ARGS): ...this.  Use deftypefn.  Adjust
12478         documentation.
12479         * config/alpha/alpha.h (RETURN_POPS_ARGS): Delete.
12480         * config/arc/arc.h (RETURN_POPS_ARGS): Likewise.
12481         * config/arm/arm.h (RETURN_POPS_ARGS): Likewise.
12482         * config/avr/avr.h (RETURN_POPS_ARGS): Likewise.
12483         * config/bfin/bfin.h (RETURN_POPS_ARGS): Likewise.
12484         * config/cris/cris.h (RETURN_POPS_ARGS): Likewise.
12485         * config/crx/crx.h (RETURN_POPS_ARGS): Likewise.
12486         * config/fr30/fr30.h (RETURN_POPS_ARGS): Likewise.
12487         * config/frv/frv.h (RETURN_POPS_ARGS): Likewise.
12488         * config/h8300/h8300.h (RETURN_POPS_ARGS): Likewise.
12489         * config/ia64/ia64.h (RETURN_POPS_ARGS): Likewise.
12490         * config/iq2000/iq2000.h (RETURN_POPS_ARGS): Likewise.
12491         * config/lm32/lm32.h (RETURN_POPS_ARGS): Likewise.
12492         * config/m32c/m32c.h (RETURN_POPS_ARGS): Likewise.
12493         * config/m32r/m32r.h (RETURN_POPS_ARGS): Likewise.
12494         * config/m68hc11/m68hc11.h (RETURN_POPS_ARGS): Likewise.
12495         * config/mcore/mcore.h (RETURN_POPS_ARGS): Likewise.
12496         * config/mep/mep.h (RETURN_POPS_ARGS): Likewise.
12497         * config/mips/mips.h (RETURN_POPS_ARGS): Likewise.
12498         * config/mmix/mmix.h (RETURN_POPS_ARGS): Likewise.
12499         * config/mn10300/mn10300.h (RETURN_POPS_ARGS): Likewise.
12500         * config/moxie/moxie.h (RETURN_POPS_ARGS): Likewise.
12501         * config/pa/pa.h (RETURN_POPS_ARGS): Likewise.
12502         * config/pdp11/pdp11.h (RETURN_POPS_ARGS): Likewise.
12503         * config/picochip/picochip.h (RETURN_POPS_ARGS): Likewise.
12504         * config/rs6000/rs6000.h (RETURN_POPS_ARGS): Likewise.
12505         * config/rx/rx.h (RETURN_POPS_ARGS): Likewise.
12506         * config/s390/s390.h (RETURN_POPS_ARGS): Likewise.
12507         * config/score/score.h (RETURN_POPS_ARGS): Likewise.
12508         * config/sh/sh.h (RETURN_POPS_ARGS): Likewise.
12509         * config/sparc/sparc.h (RETURN_POPS_ARGS): Likewise.
12510         * config/spu/spu.h (RETURN_POPS_ARGS): Likewise.
12511         * config/stormy16/stormy16.h (RETURN_POPS_ARGS): Likewise.
12512         * config/v850/v850.h (RETURN_POPS_ARGS): Likewise.
12513         * config/xtensa/xtensa.h (RETURN_POPS_ARGS): Likewise.
12514         * config/i386/i386-protos.h (ix86_return_pops_args): Delete.
12515         * config/i386/i386.h (RETURN_POPS_ARGS): Delete.
12516         * config/i386/i386.c (ix86_return_pops_args): Make static.
12517         Constify arguments.
12518         (TARGET_RETURN_POPS_ARGS): Define.
12519         * config/m68k/m68k.h (RETURN_POPS_ARGS): Move to...
12520         * config/m68k/m68k.c (m68k_return_pops_args): ...here.  New function.
12521         (TARGET_RETURN_POPS_ARGS): Define.
12522         * config/vax/vax.h (RETURN_POPS_ARGS): Move to...
12523         * config/vax/vax.c (vax_return_pops_args): ...here.  New function.
12524         (TARGET_RETURN_POPS_ARGS): Define.
12525
12526 2010-06-29  Richard Guenther  <rguenther@suse.de>
12527
12528         PR middle-end/44667
12529         * tree-inline.c (initialize_inlined_parameters): Make sure
12530         to remap the inlined parameter variable substitutions types.
12531
12532 2010-06-29  Eric Botcazou  <ebotcazou@adacore.com>
12533
12534         PR rtl-optimization/44659
12535         * combine.c (make_compound_operation) <SUBREG>: Do not return the
12536         result of force_to_mode if it partially re-expanded the compound.
12537
12538 2010-06-28  Jan Hubicka  <jh@suse.cz>
12539
12540         PR middle-end/44671
12541         * ipa-split.c (test_nonssa_use, mark_nonssa_use): Check also uses of
12542         RESULT_DECL.
12543
12544 2010-06-28  Anatoly Sokolov  <aesok@post.ru>
12545
12546         * double-int.h (force_fit_type_double): Remove declaration.
12547         * double-int.c (force_fit_type_double): Move to tree.c.
12548         * tree.h (force_fit_type_double): Declare.
12549         * tree.h (force_fit_type_double): Moved from double-int.c. Use
12550         double_int type for 'cst' argument. Use double_int_fits_to_tree_p and
12551         double_int_to_tree instead of fit_double_type and build_int_cst_wide.
12552         * convert.c (convert_to_pointer): Adjust call to
12553         force_fit_type_double.
12554         * tree-vrp.c (extract_range_from_assert,
12555         extract_range_from_unary_expr): Adjust call to force_fit_type_double.
12556         * fold-const.c: Update comment.
12557         (int_const_binop, fold_convert_const_int_from_int,
12558         fold_convert_const_int_from_real, fold_convert_const_int_from_fixed,
12559         extract_muldiv_1, fold_div_compare, fold_sign_changed_comparison,
12560         fold_unary_loc, fold_negate_const, fold_abs_const, fold_not_const,
12561         round_up_loc): Adjust call to force_fit_type_double.
12562
12563 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
12564
12565         * config/rs6000/rs6000.h (PROCESSOR_TITAN): Declare.
12566
12567 2010-06-28  Martin Jambor  <mjambor@suse.cz>
12568
12569         * tree-sra.c (convert_callers): New parameter, change fndecls of
12570         recursive calls.
12571         (modify_function): Pass the old decl to convert_callers.
12572
12573 2010-06-28  Martin Jambor  <mjambor@suse.cz>
12574
12575         * ipa-cp.c (ipcp_init_cloned_node): Replace calls to
12576         ipa_check_create_node_params and ipa_initialize_node_params with
12577         checking asserts they are not necessary.
12578
12579 2010-06-28  Jan Hubicka  <jh@suse.cz>
12580
12581         PR tree-optimization/44687
12582         * ipa-split.c (split_function): Use DECL_RESULT to store return value.
12583
12584 2010-06-28  Martin Jambor  <mjambor@suse.cz>
12585
12586         PR c++/44535
12587         * gimple-fold.c (get_first_base_binfo_with_virtuals): New function.
12588         (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals
12589         instead of BINFO_BASE_BINFO.
12590
12591 2010-06-28  Michael Matz  <matz@suse.de>
12592
12593         PR middle-end/44592
12594         * gimple-fold.c (gimplify_and_update_call_from_tree): Maintain
12595         proper VDEF chain for intermediate stores in the sequence.
12596
12597 2010-06-28  Jan Hubicka  <jh@suse.cz>
12598
12599         PR tree-optimization/44357
12600         * ipa-inline.c (add_new_edges_to_heap): Do not add edges to
12601         uninlinable functions.
12602
12603 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
12604
12605         * config.gcc (powerpc*-*-*): Handle titan.
12606         * config/rs6000/rs6000.c (titan_cost): New costs.
12607         (rs6000_override_options): Add "titan" to processor_target_table.
12608         Add Titan to branch alignment logic.
12609         Correctly set rs6000_cost for titan.
12610         * config/rs6000/rs6000.md (cpu): Add titan.  Include "titan.md".
12611         * config/rs6000/titan.md: New file.
12612         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=titan.
12613
12614 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
12615
12616         * tree-browser.c (TB_history_stack): Convert to a VEC.
12617         (TB_SET_HEAD): Adjust for new type of TB_history_stack.
12618         (TB_history_prev): Likewise.
12619
12620 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
12621
12622         * vec.h (vec_heap_free): Add parentheses around free.
12623
12624 2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>
12625
12626         * system.h: Poison GCC_EXCEPT_H for front-end files.
12627
12628         * langhooks.h (struct lang_hooks): Add eh_protect_cleanup_actions
12629         langhook.
12630         * langhooks-def.h (LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS) New.
12631         Define to NULL by default.
12632         * except.h: Define GCC_EXCEPT_H.
12633         (doing_eh): Remove prototype.
12634         (init_eh, init_eh_for_function): Move prototypes to toplev.h.
12635         (lang_protect_cleanup_actions): Remove.
12636         * except.c (lang_protect_cleanup_actions): Remove.
12637         (doing_eh): Remove.
12638         (gen_eh_region): Don't check doing_eh here.
12639         * toplev.h (init_eh, init_eh_for_function_): Moved from except.h.
12640         * tree-eh.c (honor_protect_cleanup_actions): Use new langhook
12641         instead of lang_protect_cleanup_actions.
12642         * omp-low.c (maybe_catch_exception): Likewise.
12643         * Makefile.in: Update dependencies.
12644
12645 2010-06-28  Bingfeng Mei  <bmei@broadcom.com>
12646
12647         * cgraph.h (struct varpool_node): new used_from_object_file flag.
12648         (struct cgraph_local_info): new used_from_object_file flag.
12649         * cgraph.c (dump_cgraph_node): dump used_from_object_file flag.
12650         (cgraph_clone_node): initialize used_from_object_file.
12651         (cgraph_create_virtual_clone): initialize used_from_object_file.
12652         * lto-symbtab.c (lto_symtab_merge_decls_1): Set
12653         used_from_object_file flags for symbols of LDPR_PREVAILING_DEF
12654         when compiling with -fwhole-program.
12655         (lto_symtab_resolve_symbols) Use LDPR_PREVAILING_DEF_IRONLY for
12656         internal resolver.
12657         * ipa.c (function_and_variable_visibility): Set externally_visible
12658         flag of varpool_node if used_from_object_file flag is set.
12659         (cgraph_externally_visible_p): check used_from_object_file flag.
12660         * doc/invoke.texi (-fwhole-program option): Change description of
12661         externally_visible attribute accordingly.
12662         * doc/extend.texi (externally_visible): Ditto.
12663
12664 2010-06-27  Jan Hubicka  <jh@suse.cz>
12665
12666         * params.def (max-inline-insns-auto): Default to 40.
12667         * doc/invoke.texi (max-inline-insns-auto): Document the change.
12668
12669 2010-06-27  Jan Hubicka  <jh@suse.cz>
12670
12671         PR middle-end/44671
12672         PR middle-end/44686
12673         * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
12674         signature change.
12675         * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
12676         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
12677
12678 2010-06-27  Anatoly Sokolov  <aesok@post.ru>
12679
12680         * target.h (struct gcc_target): Add register_move_cost field.
12681         * target-def.h (TARGET_REGISTER_MOVE_COST): New.
12682         (TARGET_INITIALIZER): Use TARGET_REGISTER_MOVE_COST.
12683         * targhooks.c (default_register_move_cost): New function.
12684         * targhooks.h (default_register_move_cost): Declare function.
12685         * defaults.h (REGISTER_MOVE_COST): Delete.
12686         * ira-int.h (ira_register_move_cost): Update comment.
12687         * ira.c (ira_register_move_cost): Update comment.
12688         * reload.h (register_move_cost): Declare.
12689         * reginfo.c (register_move_cost): New function.
12690         (move_cost): Update comment.
12691         (init_move_cost, memory_move_secondary_cost): Replace
12692         REGISTER_MOVE_COST with register_move_cost.
12693         * postreload.c (reload_cse_simplify_set): (Ditto.).
12694         * reload.c (find_valid_class, find_reloads): (Ditto.).
12695         * reload1.c (choose_reload_regs): (Ditto.).
12696         * doc/tm.texi (TARGET_REGISTER_MOVE_COST): New.
12697         (REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Update documentation.
12698         * doc/md.texi (can_create_pseudo_p): Update documentation.
12699
12700         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
12701         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
12702         * config/i386/i386.h (ix86_memory_move_cost): Make static.
12703         (TARGET_MEMORY_MOVE_COST): Define.
12704
12705         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
12706         * config/ia64/ia64-protos.h (int ia64_memory_move_cost): Remove.
12707         * config/ia64/ia64.h (ia64_memory_move_cost): Make static.
12708         (TARGET_MEMORY_MOVE_COST): Define.
12709
12710 2010-06-27  Richard Guenther  <rguenther@suse.de>
12711
12712         PR tree-optimization/44683
12713         * tree-ssa-dom.c (record_edge_info): Record equivalences for the
12714         false edge from the inverted condition.
12715
12716 2010-06-27  Richard Guenther  <rguenther@suse.de>
12717
12718         PR middle-end/44684
12719         * tree-ssa-alias.c (refs_may_alias_p_1): Allow SSA name refs.
12720         (stmt_may_clobber_ref_p_1): Do not bother to call the oracle
12721         for register LHS.  Or non-store assignments.
12722
12723 2010-06-26  Eric Botcazou  <ebotcazou@adacore.com>
12724
12725         * config/sparc/sparc.c (sparc_emit_set_const32): Make static.
12726         (sparc_emit_set_const64): Likewise.  Remove disabled code.
12727         * config/sparc/sparc-protos.h (sparc_emit_set_const32): Delete.
12728         (sparc_emit_set_const64): Likewise.
12729
12730 2010-06-26  Catherine Moore  <clm@codesourcery.com>
12731
12732         * config/mips/mips.md (alu_type): New attribute.
12733         (type): Infer type from alu_type.
12734         (*add<mode>3, *add<mode>3_mips16, *addsi3_extended,
12735         *baddu_si_eb, *baddu_si_el, *baddu_di, sub<mode>3,
12736         *subsi3_extended, negsi2, negdi2, *low<mode>,
12737         *low<mode>_mips16, *ior<mode>3, *ior<mode>3_mips16,
12738         xor<mode>3, *nor<mode>3,
12739         *zero_extend<GPR:mode>_trunc<SHORT:mode>,
12740         *zero_extendhi_truncqi):  Set alu_type instead of type.
12741
12742 2010-06-26  Douglas B Rupp  <rupp@gnat.com>
12743
12744         * config/alpha/alpha.c (alpha_need_linkage): Adjust
12745         splay_tree_new_ggc call.
12746         (alpha_use_linkage): Likewise.
12747
12748 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
12749
12750         * collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
12751         * doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
12752         * gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
12753         (static_specs): Remove switches_need_spaces.
12754         (process_command, do_self_spec): Hardcode handling "-o" instead of
12755         checking switches_need_spaces.
12756         * system.h (SWITCHES_NEED_SPACES): Poison.
12757
12758 2010-06-26  Richard Guenther  <rguenther@suse.de>
12759
12760         PR tree-optimization/44393
12761         * tree-loop-distribution.c (generate_loops_for_partition): Fix
12762         stmt removal and VOP renaming.
12763         (generate_memset_zero): Remove redundant stmt updating.
12764         * tree-flow.h (mark_virtual_ops_in_bb): Remove.
12765         * tree-cfg.c (mark_virtual_ops_in_bb): Likewise.
12766
12767 2010-06-26  Jan Hubicka  <jh@suse.cz>
12768
12769         * ipa-split.c (consider_split): PHI in entry block is OK as long as all
12770         edges comming from header are equivalent.
12771         (visit_bb): Handle PHIs correctly.
12772         * tree-inline.c (copy_phis_for_bb): Be able to copy
12773         PHI from entry edge.
12774         (copy_cfg_body): Produce edge from entry BB before copying PHIs.
12775
12776 2010-06-26  Richard Guenther  <rguenther@suse.de>
12777
12778         PR middle-end/44674
12779         * tree-ssa-alias.c (refs_may_alias_p_1): Allow all kind of
12780         decls.  Handle LABEL_DECLs like FUNCTION_DECLs.
12781
12782 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
12783
12784         * gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
12785         add_infile, alloc_switch): New.
12786         (process_command): Remove variable lang_n_infiles.  Process
12787         options in a single pass.  Use new functions for allocating
12788         infiles and switches arrays.  Properly skip operands of
12789         -Xpreprocessor and -Xassembler.
12790
12791 2010-06-26  Jan Hubicka  <jh@suse.cz>
12792
12793         PR middle-end/44671
12794         * cgraphunit.c (cgraph_function_versioning): Remove wrong
12795         cgraph_make_decl_local call; fix typo copying RTL data.
12796
12797 2010-06-25  DJ Delorie  <dj@redhat.com>
12798
12799         * config/m32c/m32c-protos.h (m32c_note_pragma_address): Declare.
12800         (m32c_output_aligned_common): Likewise.
12801         * config/m32c/m32c.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
12802         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
12803         * config/m32c/m32c-pragma.c (m32c_pragma_address): New.
12804         (m32c_register_pragmas): Register it.
12805         * config/m32c/m32c.c (m32c_get_pragma_address): New.
12806         (m32c_insert_attributes): Set #pragma address decls volatile.
12807         (pragma_entry_eq): New.
12808         (pragma_entry_hash): New.
12809         (m32c_note_pragma_address): New.
12810         (m32c_get_pragma_address): New.
12811         (m32c_output_aligned_common): New.
12812         * doc/extend.texi: Document the new pragma.
12813
12814         * config/m32c/m32c.c (m32c_illegal_subreg_p): Reject illegal MEMs
12815         also.
12816         * config/m32c/predicates.md (m32c_any_operand): Check the code
12817         instead of memory_operand so as to allow matching volatile MEMs.
12818         (m32c_nonimmediate_operand): Likewise.
12819         (mra_operand): Allow volatiles.
12820
12821 2010-06-25  Alexandre Oliva  <aoliva@redhat.com>
12822
12823         PR debug/44610
12824         * simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
12825         address if the offset is unknown.
12826
12827 2010-06-25  Douglas B Rupp  <rupp@gnat.com>
12828
12829         * dwarf2out.c (dwarf2out_vms_debug_main_pointer): New function.
12830         * dwarf2out.h (dwarf2out_vms_debug_main_pointer): Declare new function.
12831         * config/ia64/ia64-protos.h (ia64_start_function): Declare.
12832         * config/ia64/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Move contents
12833         to ia64_start_function. Invoke it.
12834         * config/ia64/ia64.c (ia64_start_function): Call new function
12835         dwarf2out_vms_debug_main_pointer.
12836
12837 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
12838
12839         * tree-if-conv.c (insert_gimplified_predicates): Do not insert
12840         statements computing the true predicate.
12841
12842 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
12843
12844         * tree-if-conv.c (init_bb_predicate): Initialize the predicate
12845         to boolean_true_node.
12846         (reset_bb_predicate): New.
12847         (predicate_bbs): Call reset_bb_predicate.
12848
12849 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
12850
12851         * tree-if-conv.c (combine_blocks): Remove FIXME comment.
12852         (tree_if_conversion): Returns true when something has been changed.
12853         (main_tree_if_conversion): Return TODO_cleanup_cfg when if-conversion
12854         changed something.
12855
12856 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
12857
12858         * Makefile.in (tree-if-conv.o): Depends on DBGCNT_H.
12859         * dbgcnt.def (if_conversion_tree): New DEBUG_COUNTER.
12860         * tree-if-conv.c: Include dbgcnt.h.
12861         (tree_if_conversion): Use if_conversion_tree to count the number of
12862         if-convertible loops.
12863
12864 2010-06-25  Changpeng Fang  <changpeng.fang@amd.com>
12865
12866         * common.opt (fprefetch-loop-arrays): Re-define
12867         -fprefetch-loop-arrays as a tri-state option with the initial
12868         value of -1.
12869         * tree-ssa-loop.c (gate_tree_ssa_loop_prefetch): Invoke prefetch
12870         pass only when flag_prefetch_loop_arrays > 0.
12871         * toplev.c (process_options): Note that, with tri-states,
12872         flag_prefetch_loop_arrays>0 means prefetching is enabled.
12873         * config/i386/i386.c (override_options): Enable prefetching at -O3
12874         for a set of CPUs that sw prefetching is helpful.
12875         (software_prefetching_beneficial_p): New.  Return TRUE if software
12876         prefetching is beneficial for the given CPU.
12877
12878 2010-06-25  H.J. Lu  <hongjiu.lu@intel.com>
12879
12880         PR rtl-optimization/44326
12881         * implicit-zee.c (find_removable_zero_extends): Replace
12882         INSN_P with NONDEBUG_INSN_P.
12883
12884 2010-06-25  Martin Jambor  <mjambor@suse.cz>
12885
12886         * ipa-prop.h (struct ipa_param_descriptor): Removed the modified flag.
12887         (struct ipa_node_params): Removed the modification_analysis_done flag.
12888         (ipa_is_param_modified): Removed.
12889         (ipa_analyze_node): Declare.
12890         (ipa_compute_jump_functions): Remove declaration.
12891         (ipa_count_arguments): Likewise.
12892         (ipa_detect_param_modifications): Likewise.
12893         (ipa_analyze_params_uses): Likewise.
12894         * ipa-prop.c (struct param_analysis_info): New type.
12895         (visit_store_addr_for_mod_analysis): Removed.
12896         (visit_load_for_mod_analysis): Renamed to visit_ref_for_mod_analysis,
12897         moved down in the file.
12898         (ipa_detect_param_modifications): Merged into ipa_analyze_params_uses.
12899         (ipa_count_arguments): Made static.
12900         (mark_modified): New function.
12901         (is_parm_modified_before_call): New function.
12902         (compute_pass_through_member_ptrs): New parameter parms_info, call
12903         is_parm_modified_before_call instead of ipa_is_param_modified.
12904         (ipa_compute_jump_functions_for_edge): New parameter parms_info, pass
12905         it to compute_pass_through_member_ptrs.
12906         (ipa_compute_jump_functions): New parameter parms_info, pass it to
12907         ipa_compute_jump_functions_for_edge.  Call ipa_initialize_node_params
12908         on the callee if it is analyzed.  Made static.
12909         (ipa_analyze_indirect_call_uses): New parameter parms_info, call
12910         is_parm_modified_before_call instead of ipa_is_param_modified.
12911         (ipa_analyze_call_uses): New parameter parms_info, pass it to
12912         ipa_analyze_indirect_call_uses.
12913         (ipa_analyze_stmt_uses): New parameter parms_info, pass it to
12914         ipa_analyze_call_uses.
12915         (ipa_analyze_params_uses): New parameter parms_info, pass it to
12916         ipa_analyze_stmt_uses.  Also perform the used analysis.  Made static.
12917         (ipa_analyze_node): New function.
12918         (ipa_print_node_params): Do not dump the modified flag.
12919         (ipa_write_node_info): Assert uses_analysis_done rather than streaming
12920         it.  Do not stream the modified parameter flag.
12921         (ipa_read_node_info): Set uses_analysis_done to 1 instead of streaming
12922         it.  Do not stream the modified parameter flag.
12923         * ipa-cp.c (ipcp_analyze_node): Removed.
12924         (ipcp_init_stage): Iterate only once over the nodes, analyze each one
12925         with only a call to ipa_analyze_node.
12926         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Analyze the
12927         node with only a call to ipa_analyze_node.
12928
12929 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12930
12931         * doc/invoke.texi (-Wsuggest-attribute): Add item for noreturn.
12932
12933 2010-06-25  Jan Hubicka  <jh@suse.cz>
12934
12935         * tree-pass.h (pass_split_functions): Declare.
12936         * opts.c (decode_options): Enable function splitting at -O2
12937         * timevar.def (TV_IPA_FNSPLIT): New macro.
12938         * ipa-split.c: New file.
12939         * common.opt (-fpartial-inlining): New flag.
12940         * Makefile.in (ipa-split.o): New object file.
12941         * passes.c (init_optimization_passes): Add ipa-split.
12942         * params.def (partial-inlining-entry-probability): New parameters.
12943         * doc/invoke.texi (-fpartial-inlining): New.
12944
12945 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
12946
12947         PR 44665
12948         * tree-inline.c (gimple_expand_calls_inline): Fix typo in comment.
12949         * gimplify.c (is_gimple_reg_rhs_or_call): Likewise.
12950         (gimplify_expr): Likewise.
12951
12952 2010-06-25  Martin Jambor  <mjambor@suse.cz>
12953
12954         * ipa-prop.c (determine_cst_member_ptr): Ignore non-clobbering
12955         statements instead of bailing out on them.
12956         (ipa_analyze_indirect_call_uses): Do not require that loads from the
12957         parameter are in the same BB as the condition.  Update comments.
12958
12959 2010-06-25  Jakub Jelinek  <jakub@redhat.com>
12960
12961         PR middle-end/43866
12962         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
12963         true or always false, return NULL_TREE.
12964         (tree_unswitch_single_loop): Optimize conditions even when reaching
12965         max-unswitch-level parameter.  If num > 0, optimize first all conditions
12966         using entry checks, then do still reachable block discovery and consider
12967         only conditions in still reachable basic blocks in the loop.
12968
12969         PR tree-optimization/44539
12970         * tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
12971         the call doesn't have LHS, but has VDEF.
12972
12973 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
12974
12975         * config/pa/pa.h (MODIFY_TARGET_NAME): Remove.
12976         * doc/tm.texi (MODIFY_TARGET_NAME): Don't document.
12977         * gcc.c (enum add_del, struct modify_target, modify_target): Remove.
12978         (process_command): Remove code conditional on MODIFY_TARGET_NAME.
12979         * system.h (MODIFY_TARGET_NAME): Poison.
12980
12981 2010-06-25  Alan Modra  <amodra@gmail.com>
12982
12983         * doc/invoke.texi: Delete mcmodel=medium from powerpc options.
12984         * config/rs6000/rs6000.h (enum rs6000_cmodel): Delete CMODEL_MEDIUM.
12985         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
12986         CMODEL_LARGE as default.
12987         * config/rs6000/rs6000.c (rs6000_handle_option): Remove mcmodel=medium.
12988         (offsettable_ok_by_alignment): Delete.
12989         (rs6000_emit_move): Remove mcmodel=medium optimization.
12990
12991 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
12992
12993         With large parts from Jim Wilson:
12994         PR target/43902
12995         * tree-pretty-print.c (dump_generic_node, op_code_prio): Add
12996         WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
12997         * optabs.c (optab_for_tree_code): Likewise.
12998         (expand_widen_pattern_expr): Likewise.
12999         * tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken
13000         out of execute_optimize_widening_mul.
13001         (convert_plusminus_to_widen): New function.
13002         (execute_optimize_widening_mul): Use the two new functions.
13003         * expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS.
13004         Remove code to generate widening multiply-accumulate.  Add support
13005         for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
13006         * gimple-pretty-print.c (dump_ternary_rhs): New function.
13007         (dump_gimple_assign): Call it when appropriate.
13008         * tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes.
13009         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
13010         (expand_gimple_stmt_1): Likewise.
13011         (expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and
13012         WIDEN_MULT_MINUS_EXPR.
13013         * tree-ssa-operands.c (get_expr_operands): Likewise.
13014         * tree-inline.c (estimate_operator_cost): Likewise.
13015         * gimple.c (extract_ops_from_tree_1): Renamed from
13016         extract_ops_from_tree.  Add new arg for a third operand; fill it.
13017         (gimple_build_assign_stat): Support operations with three operands.
13018         (gimple_build_assign_with_ops_stat): Likewise.
13019         (gimple_assign_set_rhs_from_tree): Likewise.
13020         (gimple_assign_set_rhs_with_ops_1): Renamed from
13021         gimple_assign_set_rhs_with_ops.  Add new arg for a third operand.
13022         (get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS.
13023         (get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and
13024         WIDEN_MULT_MINUS_EXPR.
13025         * gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS.
13026         (extract_ops_from_tree_1): Adjust declaration.
13027         (gimple_assign_set_rhs_with_ops_1): Likewise.
13028         (gimple_build_assign_with_ops): Pass NULL for last operand.
13029         (gimple_build_assign_with_ops3): New macro.
13030         (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3,
13031         gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline
13032         functions.
13033         * tree-cfg.c (verify_gimple_assign_ternary): New static function.
13034         (verify_gimple_assign): Call it.
13035         * doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS.
13036         (Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new
13037         functions for dealing with three-operand statements.
13038         * tree.c (commutative_ternary_tree_code): New function.
13039         * tree.h (commutative_ternary_tree_code): Declare it.
13040         * tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for
13041         ternary statements.
13042         (gimple_assign_nonzero_warnv_p): Likewise.
13043         * tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS.
13044         * tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function.
13045         (ccp_fold): Use it.  Handle GIMPLE_TERNARY_RHS.
13046         * tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY.
13047         (struct hashtable_expr): New member ternary in the union.
13048         (initialize_hash_element): Handle GIMPLE_TERNARY_RHS.
13049         (hashable_expr_equal_p): Fix indentation.  Handle EXPR_TERNARY.
13050         (iterative_hash_hashable_expr): Likewise.
13051         (print_expr_hash_elt): Handle EXPR_TERNARY.
13052         * gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS.
13053         * tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break
13054         statements.  Handle GIMPLE_TERNARY_RHS.
13055
13056 2010-06-25  Jan Hubicka  <jh@suse.cz>
13057
13058         * doc/invoke.texi (-Wsuggest-attribute): Add noreturn.
13059
13060 2010-06-25  Shujing Zhao  <pearly.zhao@oracle.com>
13061
13062         PR c/44517
13063         * c-parser.c (c_parser_parms_list_declarator): Return NULL if one of
13064         parameters are not good.
13065         (c_parser_parameter_declaration): Error unknown type name if the type
13066         name can't start declaration specifiers.
13067
13068 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
13069
13070         * gcc.c (translate_options): Don't mention +e in comment.
13071         (process_command): Don't handle +e specially.
13072
13073 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
13074
13075         * ira.c (allocno_pool, copy_pool, allocno_live_range_pool): Delete.
13076
13077         * ira-build.c (merge_hard_reg_conflicts): New function.
13078         (create_cap_allocno, copy_info_to_removed_store_destinations,
13079         propagate_some_info_from_allocno, propagate_allocno_info): Use it.
13080         (move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
13081         (remove_unnecessary_allocnos, remove_low_level_allocnos)
13082         copy_nifo_to_removed_store_destination): Use them.
13083         * ira-lives.c (make_hard_regno_born): New function, split out of
13084         make_regno_born.
13085         (make_allocno_born): Likewise.
13086         (make_hard_regno_dead): New function, split out of make_regno_dead.
13087         (make_allocno_dead): Likewise.
13088         (inc_register_pressure): New function, split out of set_allocno_live.
13089         (dec_register_pressure): New function, split out of clear_allocno_live.
13090         (mark_pseudo_regno_live): New function, split out of mark_reg_live.
13091         (mark_hard_reg_live): Likewise.  Use inc_register_pressure.
13092         (mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
13093         (mark_hard_reg_dead): Likewise.  Use dec_register_pressure.
13094         (make_pseudo_conflict): Use mark_pseudo_regno_dead and
13095         mark_pseudo_regno_live.
13096         (process_bb_node_lives): Use mark_pseudo_regno_live,
13097         make_hard_regno_born and make_allocno_dead.
13098         (make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
13099         set_allocno_live, clear_allocno_live): Delete functions.
13100
13101         * ira-int.h (ira_parent_allocno, ira_parent_or_cap_allocno): Declare.
13102         * ira-build.c (ira_parent_allocno, ira_parent_or_cap_allocno): New
13103         functions.
13104         (ira_flattening): Use ira_parent_allocno.
13105         * ira-conflicts.c (process_regs_for_copy, propagate_copies)
13106         build_allocno_conflicts): Use ira_parent_or_cap_allocno.
13107
13108         * ira-color.c (assign_hard_reg): Improve formatting of multi-line for
13109         statement.
13110
13111         * ira-int.h (SET_MINMAX_SET_BIT, CLEAR_MINMAX_SET_BIT,
13112         TEST_MINMAX_SET_BIT, minmax_set_iterator, minmax_set_iter_init,
13113         minmax_set_iter_cond, minmax_set_iter_next,
13114         FOR_EACH_BIT_IN_MINMAX_SET): Renamed from SET_ALLOCNO_SET_BIT,
13115         CLEAR_ALLOCNO_SET_BIT, TEST_ALLOCNO_SET_BIT, ira_allocno_set_iterator,
13116         ira_allocno_set_iter_init, ira_allocno_set_iter_cond,
13117         ira_allocno_set_iter_Next and FOR_EACH_ALLOCNO_IN_ALLOCNO_SET.  All
13118         uses changed.
13119
13120         * ira-int.h (struct live_range, live_range_t): Renamed from struct
13121         ira_allocno_live_range and allocno_live_range_t; all uses changed.
13122         * ira-build.c (live_range_pool): Renamed from allocno_live_range_pool.
13123         All uses changed.
13124
13125 2010-06-24  Richard Earnshaw  <rearnsha@arm.com>
13126
13127         * thumb2.md (thumb2_tlobits_cbranch): Delete.
13128         (peephole2 to convert zero_extract/compare of single bit to
13129          lshift/compare): New.
13130
13131 2010-06-24  Anatoly Sokolov  <aesok@post.ru>
13132
13133         * fold-const.c (const_binop): Remove 'notrunc' argement. Adjust
13134         recursive call and call to 'int_const_binop'.
13135         (build_range_check, fold_cond_expr_with_comparison, unextend,
13136         fold_truthop, extract_muldiv_1, fold_comparison, fold_binary_loc,
13137         multiple_of_p): Adjust call to const_binop.
13138
13139 2010-06-24  Uros Bizjak  <ubizjak@gmail.com>
13140
13141         * config/i386/i386.md (XFmode push splitter): Use GET_MODE_SIZE to
13142         determine size of XFmode operand.
13143         (XFmode extended DFmode push splitter): Ditto.
13144         (XFmode extended SFmode push splitter): Ditto.
13145
13146 2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>
13147
13148         PR target/44588
13149         * config/i386/i386.md (extract_code): New.
13150         (<u>divmodqi4): Likewise.
13151         (divmodhiqi3): Likewise.
13152         (udivmodhiqi3): Likewise.
13153         (<u>divqi3): Remvoved.
13154
13155 2010-06-24  Jakub Jelinek  <jakub@redhat.com>
13156
13157         PR middle-end/44492
13158         * recog.h (struct recog_data): Add is_asm field.
13159         * recog.c (asm_operand_ok, constrain_operands): If neither < nor > is
13160         present in constraints of inline-asm operand and memory operand
13161         contains {PRE,POST}_{INC,DEC,MODIFY}, return 0.
13162         (extract_insn): Initialize recog_data.is_asm.
13163         * doc/md.texi (Constraints): Document operand side-effect rules.
13164
13165 2010-06-24  Andi Kleen  <ak@linux.intel.com>
13166
13167         * c-parser.c (c_parser_conditional_expression): Call
13168         warn_for_omitted_condop.
13169         * doc/invoke.texi: Document omitted condop warning.
13170
13171 2010-06-24  Nick Clifton<nickc@redhat.com>
13172
13173         * loop-unswitch.c (compare_and_jump_seq): Assert that the last
13174         insn in the sequence is a jump insn before setting its label.
13175
13176 2010-06-24  Alan Modra  <amodra@gmail.com>
13177
13178         * collect2.c (main): Match exactly --version and --help.
13179
13180 2010-06-24  DJ Delorie  <dj@redhat.com>
13181
13182         * config/m32c/m32c-pragma.c: Don't include rtl.h.
13183
13184 2010-06-23  Uros Bizjak  <ubizjak@gmail.com>
13185
13186         * config/i386/i386.md (mov<mode>): Macroize expander from mov{sf,df,xf}
13187         using X87MODEF mode iterator.
13188         (pushsf splitter): Macroize splitter using P mode iterator.
13189         (*swap<mode>): Macroize insn from *swap{sf,df} using MODEF
13190         mode iterator.
13191
13192         (*movxf_internal): Rename from *movxf_integer.
13193         (*movxf_internal_nointeger): Rename from *movxf_nointeger.
13194         (*movdf_internal_rex64): Rename from *movdf_integer_rex64.
13195         (*movdf_internal): Rename from *movdf_integer.
13196         (*movdf_internal_nointeger): Rename from *movdf_nointeger.
13197         (*movsf_internal): Rename from *movdf_1.
13198
13199 2010-06-23  Basile Starynkevitch  <basile@starynkevitch.net>
13200
13201         * coretypes.h (gimple_seq_node_d, gimple_seq_node)
13202         (const_gimple_seq_node): Removed typedefs.
13203
13204         * gimple.h (gimple_seq_node_d, gimple_seq_node)
13205         (const_gimple_seq_node): Added typedefs moved from coretypes.h.
13206
13207 2010-06-23  H.J. Lu  <hongjiu.lu@intel.com>
13208
13209         * config/i386/i386.c (bdesc_args): Replace CODE_FOR_avx_si_si256,
13210         CODE_FOR_avx_ps_ps256 and CODE_FOR_avx_pd_pd256 with
13211         CODE_FOR_vec_extract_lo_v8si, CODE_FOR_vec_extract_lo_v8sf
13212         and CODE_FOR_vec_extract_lo_v4df.
13213
13214         * config/i386/sse.md (vec_extract_lo_<AVX256MODE4P:mode>):
13215         Changed to define_insn_and_split.
13216         (vec_extract_lo_<AVX256MODE8P:mode>): Likewise.
13217         (vec_extract_lo_v16hi): Likewise.
13218         (vec_extract_lo_v32qi): Likewise.
13219         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
13220         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Removed.
13221
13222 2010-06-23  Joern Rennecke  <joern.rennecke@embecosm.com>
13223
13224         PR target/44640
13225         * config/spu/spu-protos.h (spu_expand_epilogue) Use bool.
13226         * config/spu/spu.c (spu_scalar_mode_supported_p): Declare with bool.
13227         (spu_vector_mode_supported_p, spu_handle_fndecl_attribute): Likewise.
13228         (spu_handle_vector_attribute, spu_pass_by_reference): Likewise.
13229         (spu_rtx_costs, spu_function_ok_for_sibcall): Likewise.
13230
13231         PR target/44640
13232         * config/spu/spu.c (ea_load_store_inline): Use add_reg_note.
13233
13234         PR other/44644
13235         * df-core.c (struct df): Rename to df_d.
13236         * df.h (struct df): Likewise.
13237         * dse.h (struct df): Remove forward declaration.
13238         * recog.h (struct insn_data): Rename to:
13239         (struct_insn_data_d).  Adjusted all users.
13240
13241 2010-06-23  Arnaud Charlet  <charlet@adacore.com
13242
13243         PR ada/22220
13244         * doc/install.texi: Update requirements to build GNAT.
13245
13246 2010-06-22  Andreas Schwab  <schwab@linux-m68k.org>
13247
13248         * config/m68k/m68k.c (m68k_output_addr_const_extra): Add cast to
13249         enum type.
13250         (m68k_sched_attr_opx_type): Remove unreachable return.
13251         (m68k_sched_attr_opy_type): Likewise.
13252         (m68k_sched_attr_size): Likewise.
13253         (sched_get_opxy_mem_type): Likewise.
13254         (m68k_sched_attr_op_mem): Likewise.
13255
13256 2010-06-22  Eric Botcazou  <ebotcazou@adacore.com>
13257
13258         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Chain the
13259         new statement and adjust VDEF only if necessary.  Remove superfluous
13260         call to maybe_clean_or_replace_eh_stmt.
13261         * gimple.c (gimple_call_copy_skip_args): Use gimple_call_copy_flags to
13262         copy the flags.
13263         * gimple-iterator.c (gsi_replace): Clear BB of old statement here...
13264         * tree-inline.c (copy_bb): ...and not there.
13265
13266 2010-06-22  Cary Coutant  <ccoutant@google.com>
13267
13268         * dwarf2out.c (is_nested_in_subprogram): New function.
13269         (should_move_die_to_comdat): Use it.
13270         (copy_ancestor_tree): Don't mark DIEs here.
13271         (copy_decls_walk): Start walk from root of newly-added tree;
13272         mark DIEs here instead.
13273
13274 2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>
13275
13276         * config/i386/i386.md (unit): Also check sseishft1.
13277
13278 2010-06-22  Jan Hubicka  <jh@suse.cz>
13279
13280         * gimple.h (gimple_expr_code): Do checking on when gimple checking is
13281         enabled.
13282
13283 2010-06-22  Jan Hubicka  <jh@suse.cz>
13284
13285         * df-problems.c (df_rd_confluence_n, df_lr_confluence_n,
13286         df_live_confluence_n, df_byte_lr_confluence_n, df_md_confluence_n):
13287         Return true if something changed.
13288         * df.h (df_confluence_function_n): Return bool.
13289         * df-core.c (df_worklist_propagate_forward,
13290         df_worklist_propagate_backward): Track changes and ages.
13291         (df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
13292         track ages.
13293         * dse.c (dse_confluence_n): Return always true.
13294
13295 2010-06-22  Jan Hubicka  <jh@suse.cz>
13296
13297         * bitmap.c (bitmap_clear_bit): Micro optimize.
13298
13299 2010-06-22  Uros Bizjak  <ubizjak@gmail.com>
13300
13301         * config/i386/i386.md (SWI1248x): New mode iterator.
13302         (SWI48x): Ditto.
13303         (SWI12): Ditto.
13304         (SWI24): Ditto.
13305
13306         (mov<mode>): Macroize expander from mov{qi,hi,si,di} using
13307         SWI1248x mode iterator.
13308         (*push<mode>2_rex64): Macroize insn from *push{qi,hi,si}_rex64
13309         using SWI124 mode iterator.
13310         (*push<mode>2): Macroize insn from *push{qi,hi} using SWI12
13311         mode iterator.
13312         (*push<mode>2_prologue): Macroize insn from  *pushsi2_prologue and
13313         *pushdi2_prologue_rex64 using P mode iterator.
13314         (*mov<mode>_xor): Macroize insn from *movsi_xor and *movdi_xor_rex64
13315         using SWI48 mode iterator.
13316         (*mov<mode>_or): Ditto from *movsi_or and *movdi_or_rex64.
13317         (*movabs<mode>_1): Macroize insn from *movabs{qi,hi,si,di}_1_rex64
13318         using SWI1248x mode iterator.
13319         (*movabs<mode>_2): Ditto from *movabs{qi,hi,si,di}_1_rex64.
13320         (*swap<mode>): Macroize insn from *swapsi and *swapdi_rex64 using
13321         SWI48 mode iterator.
13322         (*swap<mode>_1): Macroize insn from *swap{qi,hi}_1 using SWI12 mode
13323         iterator.
13324         (*swap<mode>_2): Ditto from *swap{qi,hi}_2.
13325         (movstrict<mode>): Macroize expander from movstrict{qi,hi} using
13326         SWI12 mode iterator.
13327         (*movstrict<mode>_1): Macroize insn from *movstrict{qi,hi}_1 using
13328         SWI12 mode iterator.
13329         (*movstrict<mode>_xor): Ditto from *movstrict{qi,hi}_xor.
13330         (*mov<mode>_extv_1): Macroize insn from *mov{hi,si}_extv_1 using
13331         SWI24 mode iterator.
13332         (*mov<mode>_extzv_1): Macroize insn from *mov{si,di}_extzv_1 using
13333         SWI48 mode iterator.
13334         (mov<mode>_insn_1): New expander.
13335         (*mov<mode>_insv_1_rex64): Macroize insn from *mov{si,di}_insv_1_rex64
13336         using SWI48x mode iterator.
13337
13338         (*movoi_internal_avx): Rename from *movoi_internal.
13339         (*movti_internal_rex64): Rename from *movti_rex64.
13340         (*movti_internal_sse): Rename from *movti_sse.
13341         (*movdi_internal_rex64): Rename from *movdi_1_rex64.
13342         (*movdi_internal): Rename from *movdi_2.
13343         (*movsi_internal): Rename from *movsi_1.
13344         (*movhi_internal): Rename from *movhi_1.
13345         (*movqi_internal): Rename from *movqi_1.
13346
13347         (insv): Update the call to gen_movsi_insv_1 for rename.
13348         * config/i386/i386.c (promote_duplicated_reg): Ditto.
13349
13350 2010-06-22  Jan Hubicka  <jh@suse.cz>
13351
13352         * passes.c (execute_function_todo): Move call of statistics_fini_pass
13353         to ...
13354         (execute_todo) ... this one.
13355
13356 2010-06-22  Alan Modra  <amodra@gmail.com>
13357
13358         PR target/44364
13359         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
13360         * caller-save.c (insert_restore, insert_save): Use non-validate
13361         form of adjust_address.
13362
13363 2010-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13364
13365         PR target/39690
13366         * config/pa/pa.c (override_options): Disable
13367         -freorder-blocks-and-partition.
13368
13369 2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>
13370
13371         PR target/44615
13372         * config/i386/atom.md (atom_sseishft_2): Also check sseishft1.
13373
13374         * config/i386/i386.md (type): Add sseishft1
13375
13376         * config/i386/ppro_insn (ppro_insn): Also check sseishft1.
13377         (ppro_insn_load): Likewise.
13378         (ppro_insn_store): Likewise.
13379         (ppro_insn_both): Likewise.
13380
13381         * config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
13382         (*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
13383         for type.
13384         (*vec_extractv2di_1_avx): Likewise.
13385         (*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
13386         type.  Remove atom_unit.
13387         (*vec_extractv2di_1_sse2): Likewise.
13388
13389 2010-06-21  DJ Delorie  <dj@redhat.com>
13390
13391         * diagnostic.h (diagnostic_classification_change_t): New.
13392         (diagnostic_context): Add history and push/pop list.
13393         (diagnostic_push_diagnostics): Declare.
13394         (diagnostic_pop_diagnostics): Declare.
13395         * diagnostic.c (diagnostic_classify_diagnostic): Store changes
13396         from pragmas in a history chain instead of the global table.
13397         (diagnostic_push_diagnostics): New.
13398         (diagnostic_pop_diagnostics): New.
13399         (diagnostic_report_diagnostic): Scan history chain to find state
13400         of diagnostics as of the diagnostic location.
13401         * opts.c (set_option): Pass UNKNOWN_LOCATION to
13402         diagnostic_classify_diagnostic.
13403         (enable_warning_as_error): Likewise.
13404         * diagnostic-core.h (DK_POP): Add after "real" diagnostics, for
13405         use in the history chain.
13406         * doc/extend.texi: Document pragma GCC diagnostic changes.
13407
13408 2010-06-21  Jakub Jelinek  <jakub@redhat.com>
13409
13410         * dwarf2out.c (add_linkage_name): New function.  Don't add
13411         anything to DW_TAG_member DIEs.
13412         (add_name_and_src_coords_attributes): Use it.
13413         (gen_variable_die): Call it for C++ static data members if
13414         specification is DW_TAG_member.
13415
13416         * dwarf2out.c (base_type_die): Use DW_ATE_UTF for
13417         C++ char16_t and char32_t.
13418
13419         * Makefile.in (build/genattrtab.o): Depend on vecprim.h.
13420         * genattrtab.c: Include vecprim.h.
13421         (cached_attrs, cached_attr_count, attrs_seen_once,
13422         attrs_seen_more_than_once, attrs_to_cache, attrs_cached_inside,
13423         attrs_cached_after): New variables.
13424         (find_attrs_to_cache): New function.
13425         (FLG_BITWISE, FLG_AFTER, FLG_INSIDE, FLG_OUTSIDE_AND): Define.
13426         (write_test_expr): Add attrs_cached argument, return it too,
13427         attempt to cache non-const attributes used more than once in
13428         a single case handling.
13429         (write_attr_get): Use find_attrs_to_cache, for caching candidates
13430         emit cached_* variables.  Adjust write_attr_set callers.
13431         (write_attr_set): Add attrs_cached attribute, use find_attrs_to_cache
13432         to find attributes that should be cached in this block.  Adjust
13433         write_test_expr callers.
13434         (write_attr_case): Clear attrs_to_cache.  Adjust write_attr_set
13435         callers.
13436         (make_automaton_attrs): Adjust write_test_expr caller.
13437
13438         * Makefile.in (cfgexpand.o): Depend on $(INSN_ATTR_H).
13439         * genattrtab.c (check_tune_attr, find_tune_attr): New functions.
13440         (make_automaton_attrs): If find_tune_attr returns non-NULL,
13441         write separate internal_dfa_insn_code_* and insn_default_latency_*
13442         functions for each attribute's value and emit init_sched_attrs
13443         function and function pointers.
13444         * genattr.c (const_attrs, reservations): New variables.
13445         (gen_attr): Add const attributes to const_attrs vector.
13446         (check_tune_attr, find_tune_attr): New functions.
13447         (main): Add reservations to reservations vector.  If find_tune_attr
13448         returns true, add prototype for init_sched_attrs and make
13449         internal_dfa_insn_code and insn_default_latency function pointers,
13450         otherwise define init_sched_attrs as dummy macro.
13451         * cfgexpand.c: Include insn-attr.h.
13452         (gimple_expand_cfg): Call init_sched_attrs.
13453
13454         * stmt.c (resolve_asm_operand_names): Fix handling of %%.
13455
13456         PR target/44575
13457         * config/i386/i386.c (ix86_gimplify_va_arg): When copying
13458         va_arg from a set of register save slots into a temporary,
13459         if the container is bigger than type size, do the copying
13460         using smaller mode or using memcpy.
13461
13462         PR bootstrap/44426
13463         * sel-sched-dump.h (sel_prepare_string_for_dot_label): Remove
13464         prototype.
13465         (sel_print_to_dot): Remove macro.
13466         (sel_print): Likewise.  New prototype.
13467         * sel-sched-dump.c (sel_prepare_string_for_dot_label): Make static.
13468         (sel_print): New function.
13469
13470 2010-06-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
13471
13472         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define
13473         __STDC_VERSION__=199901L, _XOPEN_SOURCE=600 for C++.
13474
13475 2010-06-21  Nick Clifton  <nickc@redhat.com>
13476
13477         * config/rx/rx.h (PTRDIFF_TYPE): Define.
13478         (SMALL_REGISTER_CLASS): Define (to zero).
13479         (PRINT_OPERAND): Delete.
13480         (PRINT_OPERAND_ADDRESS): Delete.
13481         * config/rx/rx-protos.h (rx_print_operand): Delete prototype.
13482         (rx_print_operand_address): Delete prototype.
13483         * config/rx/rx.c (rx_print_operand): Make static.
13484         Allow %H and %L to handle CONST_DOUBLEs.
13485         (rx_print_operand_address): Make static.
13486         (rx_gen_move_template): Rename local variable 'template' to
13487         out_template.
13488         (rx_function_arg): Do not pass unknown sized objects in registers.
13489         (TARGET_PRINT_OPERAND): Define.
13490         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13491
13492 2010-06-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
13493
13494         * Makefile.in (POD2MAN): Provide --date from $(DATESTAMP).
13495
13496 2010-06-21  Kai Tietz  <kai.tietz@onevision.com>
13497
13498         * config/i386/i386.c (ix86_compute_frame_layout): Avoid
13499         stack-alignment for simple leaf-functions.
13500
13501 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
13502
13503         * doc/install.texi: Document bootstrap-lto.
13504
13505 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
13506
13507         PR debug/44248
13508         * lto-streamer-in.c (input_bb): Leave debug stmts alone.
13509         (input_function): Drop them here, if VTA is disabled.
13510
13511 2010-06-20  Uros Bizjak  <ubizjak@gmail.com>
13512
13513         PR target/44546
13514         * config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
13515         New predicate.
13516         * config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
13517         ix86_swapped_fp_comparsion_operator instead of
13518         ix86_fp_comparison_operator.
13519
13520         (*fp_jcc_1_387): Rename from *fp_jcc_3_387.
13521         (*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
13522         (*fp_jcc_2_387): Rename from *fp_jcc_5_387.
13523         (*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
13524         (*fp_jcc_3_387): Rename from *fp_jcc_7_387.
13525         (*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.
13526
13527 2010-06-20  Joseph Myers  <joseph@codesourcery.com>
13528
13529         PR other/32998
13530         * opth-gen.awk: Generate definitions of OPT_SPECIAL_unknown,
13531         OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
13532         * opts-common.c (find_opt): Return OPT_SPECIAL_unknown on failure.
13533         (decode_cmdline_option): Update for this return value.  Set
13534         orig_option_with_args_text field.  Set arg field for unknown
13535         options.  Make static.
13536         (decode_cmdline_options_to_array): New.
13537         (prune_options): Update handling of find_opt return value.
13538         * opts.c (read_cmdline_option): Take decoded option.  Return void.
13539         (read_cmdline_options): Take decoded options.
13540         (decode_options): Add parameters for decoded options.  Use
13541         decode_cmdline_options_to_array.  Use decoded options for -O
13542         scan.  Use integral_argument for -O parameters.  Update call to
13543         read_cmdline_options.
13544         (enable_warning_as_error): Update handling of find_opt return value.
13545         * opts.h: Update comment on unknown options.
13546         (struct cl_decoded_option): Update comments on opt_index and arg.
13547         Add orig_option_with_args_text.
13548         (decode_cmdline_option): Remove.
13549         (decode_cmdline_options_to_array): Declare.
13550         (decode_options): Update prototype.
13551         * toplev.c (save_argv): Remove.
13552         (save_decoded_options, save_decoded_options_count): New.
13553         (read_integral_parameter): Remove.
13554         (print_switch_values): Use decoded options.
13555         (toplev_main): Don't set save_argv.  Update call to decode_options.
13556         * toplev.h (read_integral_parameter): Remove.
13557         * varasm.c (elf_record_gcc_switches): Don't handle holding back names.
13558
13559 2010-06-19  Richard Earnshaw  <rearnsha@arm.com>
13560
13561         PR target/44072
13562         * arm.md (cmpsi2_addneg): Prefer emitting adds to subs with a negative
13563         immediate.
13564         * constraints.md (Pw, Px): New constraints.
13565         * thumb2.md (cmpsi2_addneg peephole2): New peepholes.
13566
13567 2010-06-19  H.J. Lu  <hongjiu.lu@intel.com>
13568
13569         * config/i386/sse.md (fma4modesuffixf4): Removed.
13570         (ssemodesuffixf2s): Likewise.
13571         (ssemodesuffixf4): Likewise.
13572         (ssemodesuffixf2c): Likewise.
13573         (ssescalarmodesuffix2s): Likewise.
13574         (avxmodesuffixf2c): Likewise.
13575         (ssemodesuffix): New.
13576         (ssescalarmodesuffix): Likewise.
13577         Update patterns with ssemodesuffix and ssescalarmodesuffix.
13578
13579 2010-06-19  Philip Herron  <herron.philip@googlemail.com>
13580
13581         * c-decl.c (c_write_global_declarations): Don't check flag_syntax_only.
13582
13583 2010-06-18  H.J. Lu  <hongjiu.lu@intel.com>
13584
13585         * stor-layout.c (debug_rli): Remove unused local variables.
13586
13587 2010-06-18  Eric Botcazou  <ebotcazou@adacore.com>
13588
13589         PR rtl-optimization/40900
13590         * expr.c (expand_expr_real_1) <SSA_NAME>: Fix long line.  Save the
13591         original expression for later reuse.
13592         <expand_decl_rtl>: Use promote_function_mode to compute the signedness
13593         of the promoted RTL for a SSA_NAME on the LHS of a call statement.
13594
13595 2010-06-18  Anatoly Sokolov  <aesok@post.ru>
13596
13597         * double-int.h (double_int_to_shwi, double_int_to_uhwi,
13598         double_int_fits_in_uhwi_p): Implement as static inline.
13599         (double_int_xor): New inline function.
13600         (double_int_lrotate, double_int_rrotate, double_int_max,
13601         double_int_umax, double_int_smax, double_int_min, double_int_umin,
13602         double_int_smin): Declare.
13603         (lrotate_double, rrotate_double): Remove declaration.
13604         * double-int.c (double_int_fits_in_uhwi_p, double_int_to_shwi,
13605         double_int_to_uhwi, lrotate_double, rrotate_double): Remove function.
13606         (double_int_lrotate, double_int_rrotate, double_int_max,
13607         double_int_umax, double_int_smax, double_int_min, double_int_umin,
13608         double_int_smin): New function.
13609         * fold-const.c (int_const_binop): Clean up, use double_int_*
13610         functions.
13611         * simplify-rtx.c (simplify_const_binary_operation): Clean up, use
13612         double_int_* and immed_double_int_const functions.
13613
13614 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
13615
13616         * function.h (types_used_by_cur_var_decl): Change type to a VEC.
13617         * function.c (types_used_by_cur_var_decl): Likewise.
13618         (used_types_insert): Adjust for new type of types_used_by_cur_var_decl.
13619
13620 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
13621
13622         * tree.h (record_layout_info): Change type of pending_statics field
13623         to a VEC.
13624         * stor-layout.c (start_record_layout): Store NULL into
13625         pending_statics.
13626         (debug_rli): Call debug_vec_tree instead of debug_tree.
13627         (place_field): Likewise.
13628         (finish_record_layout): Likewise.
13629
13630 2010-06-18  Alan Modra  <amodra@gmail.com>
13631
13632         * config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.
13633
13634 2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13635
13636         PR target/43740
13637         * config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag
13638         for SET source operand from SET destination operand.
13639
13640 2010-06-17  Bernd Schmidt  <bernds@codesourcery.com>
13641
13642         PR rtl-optimization/39871
13643         * reload1.c (init_eliminable_invariants): For flag_pic, disable
13644         equivalences only for constants that aren't LEGITIMATE_PIC_OPERAND_P.
13645         (function_invariant_p): Rule out a plus of frame or arg pointer with
13646         a SYMBOL_REF.
13647         * ira.c (find_reg_equiv_invariant_const): Likewise.
13648
13649 2010-06-17  Gunther Nikl  <gnikl@users.sourceforge.net>
13650
13651         * config/rs6000/rs6000.c (print_operand) <'K'>: Also use
13652         print_operand_address and puts to output the operand for CONST.
13653
13654 2010-06-17  Jakub Jelinek  <jakub@redhat.com>
13655
13656         PR debug/44572
13657         * dwarf2out.c (dwarf2out_debug_hooks): Add entry for begin_epilogue
13658         hook.
13659
13660 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13661
13662         * v850-protos.h (print_operand): Delete.
13663         (print_operand_address): Delete.
13664         * v850.h (PRINT_OPERAND): Delete.
13665         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13666         (PRINT_OPERAND_ADDRESS): Delete.
13667         * v850.c (print_operand_address): Rename to...
13668         (v850_print_operand_address): ...this.  Make static. Call
13669         v850_print_operand.
13670         (print_operand): Rename to...
13671         (v850_print_operand): ...this.  Make static.  Call
13672         v850_print_operand_address.
13673         (v850_print_operand_punct_valid_p): New function.
13674         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
13675         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
13676
13677 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13678
13679         * config/sh/sh-protos.h (print_operand): Delete.
13680         (print_operand_address): Delete.
13681         * config/sh/sh.h (PRINT_OPERAND): Delete.
13682         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13683         (PRINT_OPERAND_ADDRESS): Delete.
13684         * config/sh/sh.c (sh_print_operand_address): Make static.
13685         (sh_print_operand): Make static.  Call sh_print_operand_address
13686         and sh_print_operand.
13687         (sh_print_operand_punct_valid_p): New function.
13688         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
13689         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
13690
13691 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13692
13693         * config/mcore/mcore-protos.h (mcore_print_operand): Delete.
13694         (mcore_print_operand_address): Delete.
13695         * config/mcore/mcore.h (PRINT_OPERAND): Delete.
13696         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13697         (PRINT_OPERAND_ADDRESS): Delete.
13698         * config/mcore/mcore.c (mcore_print_operand_address): Make static.
13699         (mcore_print_operand): Make static.
13700         (mcore_print_operand_punct_valid_p): New function.
13701         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define
13702         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
13703
13704 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13705
13706         * config/m68hc11/m68hc11-protos.h (print_operand): Delete.
13707         (print_operand_address): Delete.
13708         * config/m68hc11/m68hc11.h (PRINT_OPERAND): Delete.
13709         (PRINT_OPERAND_ADDRESS): Delete.
13710         * config/m68hc11/m68hc11.c (m68hc11_print_operand_address): Make
13711         static.
13712         (m68hc11_print_operand): Make static.
13713         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
13714
13715 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13716
13717         * config/m32r/m32r-protos.h (m32r_print_operand): Delete.
13718         (m32r_print_operand_address): Delete.
13719         * config/m32r/m32r.h (m32r_punct_chars): Delete.
13720         (PRINT_OPERAND): Delete.
13721         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13722         (PRINT_OPERAND_ADDRESS): Delete.
13723         * config/m32r/m32r.c (m32r_punct_chars): Make static.
13724         (m32r_print_operand_address): Make static.
13725         (m32r_print_operand): Make static.
13726         (m32r_print_operand_punct_valid_p): New function.
13727         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
13728         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13729
13730 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13731
13732         * config/iq2000/iq2000-protos.h (print_operand): Delete.
13733         (print_operand_address): Delete.
13734         * config/iq2000/iq2000.h (PRINT_OPERAND): Delete.
13735         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13736         (PRINT_OPERAND_ADDRESS): Delete.
13737         (iq2000_print_operand_punct): Delete.
13738         * config/iq2000/iq2000.c (iq2000_print_operand_punct): Make static.
13739         (iq2000_print_operand_address): Make static.
13740         (iq2000_print_operand): Make static.
13741         (iq2000_print_operand_punct_valid_p): New function.
13742         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
13743         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13744
13745 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13746
13747         * config/frv/frv-protos.h (frv_print_operand): Delete.
13748         (frv_print_operand_address): Delete.
13749         * config/frv/frv.h (PRINT_OPERAND): Delete.
13750         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13751         (PRINT_OPERAND_ADDRESS): Delete.
13752         * config/frv/frv.c (frv_print_operand_address): Make static.
13753         (frv_print_operand): Make static.
13754         (frv_print_operand_punct_valid_p): New function.
13755         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
13756         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13757
13758 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
13759
13760         * tree.h (vec_member): Declare.
13761         * tree.c (vec_member): Define.
13762
13763 2010-06-17  Richard Guenther  <rguenther@suse.de>
13764
13765         * tree-flow-inline.h (array_ref_contains_indirect_ref): Remove.
13766         * tree-flow.h (array_ref_contains_indirect_ref): Likewise.
13767
13768 2010-06-17  Richard Guenther  <rguenther@suse.de>
13769
13770         * tree-inline.c (declare_return_variable): Remove bogus code.
13771
13772 2010-06-17  Richard Guenther  <rguenther@suse.de>
13773
13774         * gimplify.c (gimplify_bind_expr): Always promote complex
13775         and vector variables to registers if possible.
13776
13777 2010-06-17  Richard Guenther  <rguenther@suse.de>
13778
13779         * expr.c (get_inner_reference): Use double_int for bit_offset
13780         calculation.
13781
13782 2010-06-16  DJ Delorie  <dj@redhat.com>
13783
13784         * common.opt (-fstrict-volatile-bitfields): new.
13785         * doc/invoke.texi: Document it.
13786         * fold-const.c (optimize_bit_field_compare): For volatile
13787         bitfields, use the field's type to determine the mode, not the
13788         field's size.
13789         * expr.c (expand_assignment): Likewise.
13790         (get_inner_reference): Likewise.
13791         (expand_expr_real_1): Likewise.
13792         * expmed.c (store_fixed_bit_field): Likewise.
13793         (extract_bit_field_1): Likewise.
13794         (extract_fixed_bit_field): Likewise.
13795
13796 2010-06-16  Richard Guenther  <rguenther@suse.de>
13797
13798         * tree-inline.c (remap_gimple_op_r): Recurse using remap_gimple_op_r.
13799
13800 2010-06-16  Douglas B Rupp  <rupp@gnat.com>
13801
13802         * config/ia64/vms.h (ASM_OUTPUT_DWARF_DELTA_UNITS): Remove.
13803         (ASM_OUTPUT_DWARF_VMS_DELTA: Define new macro.
13804         * dbxout.c (gcc_debug_hooks): New entry begin_epilogue.
13805         * debug.c: Likewise.
13806         * sdbout.c: Likewise.
13807         * vmsdbgout.c: Likewise.
13808         * debug.h: Likewise. (dwarf2out_vms_{begin,end}_prologue): Declare.
13809         * doc/tm.texi (ASM_OUTPUT_DWARF_VMS_DELTA): Document.
13810         * dwarf2asm.c (dw2_asm_output_vms_delta): New function.
13811         (ASM_OUTPUT_DWARF_VMS_DELTA): Call it.
13812         * dwarf2asm.h (dw2_asm_output_vms_delta): Declare.
13813         * dwarf2out.c (dw_fde_struct): New fields
13814         dw_fde_vms_{end,begin}_prologue.
13815         (PROLOGUE_END_LABEL, EPILOGUE_BEGIN_LABEL): New macros.
13816         (dwarf2out_begin_prologue): Set dw_fde_struct defaults for above.
13817         (dwarf2out_vms_end_prologue): New function.
13818         (dwarf2out_vms_begin_epilogue): New function.
13819         (dw_val_struct): New value dw_val_class_vms_delta.
13820         (gcc_debug_hooks): New entry begin_epilogue. Set end_prologue,
13821         begin_epilogue for VMS.
13822         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): Declare
13823         new static functions.
13824         (dwarf_attr_name): New cases DW_AT_HP_{prologue,epilogue}.
13825         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): New
13826         static functions.
13827         (print_die): New case dw_val_class_vms_delta.
13828         (attr_checksum): Likewise.
13829         (same_dw_val_p: Likewise.
13830         (size_of_die): Likewise.
13831         (value_format): Likewise.
13832         (output_die): Likewise.
13833         (gen_subprogram_die): Call add_AT_vms_delta on VMS.
13834         (dwarf2out_begin_epilogue): Rename to dwarf2out_cfi_begin_epilogue
13835         * dwarf2out.h (dwarf2out_begin_epilogue): Rename to
13836         dwarf2out_cfi_begin_epilogue
13837         * final.c (final_scan_insn): Likewise. Call begin_epilogue.
13838
13839 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
13840
13841         * config/cris/cris-protos.h (cris_print_operand): Delete.
13842         (cris_print_operand_address): Delete.
13843         * config/cris/cris.h (PRINT_OPERAND): Delete.
13844         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13845         (PRINT_OPERAND_ADDRESS): Delete.
13846         * config/cris/cris.c (cris_print_operand_address): Make static.
13847         (cris_print_operand): Make static.
13848         (cris_print_operand_punct_valid_p): New function.
13849         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
13850         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13851
13852 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
13853
13854         * config/arm/arm-protos.h (arm_print_operand): Delete.
13855         (arm_print_operand_address): Delete.
13856         * config/arm/arm.h (PRINT_OPERAND): Delete.
13857         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
13858         (PRINT_OPERAND_ADDRESS, ARM_PRINT_OPERAND_ADDRESS):
13859         (THUMB_PRINT_OPERAND_ADDRESS): Delete and move code to...
13860         * config/arm/arm.c (arm_print_operand_address): ...here.  New function.
13861         (arm_print_operand): Make static.
13862         (arm_print_operand_punct_valid_p): New function.
13863         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
13864         (TARGET_PRINT_OPERAND_ADDRESS): Define.
13865
13866 2010-06-16  Nick Clifton  <nickc@redhat.com>
13867
13868         * config/rx/constraints.md (NEGint4): New constraint.
13869         * config/rx/rx.md (attr cc): Add set_zsc.
13870         (cbranchsf4): Only test for -fnon-call-exceptions if cfun has been
13871         initialised.
13872         (cmpsf): Likewise.
13873         (call_internal): Clobber the cc0 register.
13874         (call_value_internal): Likewise.
13875         (cstoresi4): Likewise.
13876         (movsieq): Likewise.
13877         (movsine): Likewise.
13878         (addsi3): Add alternative to handle small negative constants.
13879         (sunsi3): Likewise.
13880         (addsi3): Do not set the O bit in the cc0 register.
13881         (adddi3): Likewise.
13882         (subsi3): Likewise.
13883         (subdi3): Likewise.
13884         (andsi3): Reorder alternatives to prefer shorter forms.
13885         (mulsi3): Likewise.
13886         (iorsi3): Likewise.
13887         (negsi2): Note that the cc0 flags are set.
13888         (rotlsi3): Note that only the Z and S bits are set in cc0.
13889         (lshrsi3): Likewise.
13890         (ashlsi3): Likewise.
13891         (subsf3): Use %Q for the MEM operand.
13892         (fix_truncsfsi2): Likewise.
13893         (floatsisf2): Likewise.
13894         (bitset): Remove early clobber from destination.
13895         (bitset_in_memory): Likewise.
13896         (lrintsf2): Clobber the cc0 register.
13897         * config/rx/rx.c (rx_notice_update_cc): Handle CC_SET_ZSC.
13898         (rx_print_operand): Handle %N.
13899
13900 2010-06-16  Jan Hubicka  <jh@suse.cz>
13901
13902         * df-core.c (df_compact_blocks): Free problem_temps vector.
13903
13904 2010-06-16  Martin Jambor  <mjambor@suse.cz>
13905
13906         PR tree-optimization/43905
13907         * tree-sra.c: Include tree-inline.h.
13908         (create_abstract_origin): Removed.
13909         (modify_function): Version the call graph node instead of creating
13910         abstract origins and dealing with same_body aliases.
13911         * tree-sra.c (ipa_sra_preliminary_function_checks): Check whether the
13912         function is versionable.
13913         * Makefile.in (tree-sra.o): Add TREE_INLINE_H to dependencies.
13914
13915 2010-06-16  Maxim Kuvyrkov  <maxim@codesourcery.com>
13916
13917         * config/mips/linux64.h (BIONIC_DYNAMIC_LINKERN32): Define.
13918         (CHOOSE_DYNAMIC_LINKER): Update.
13919
13920 2010-06-15  Uros Bizjak  <ubizjak@gmail.com>
13921
13922         * config/i386/i386.c (*prefetch_sse_<mode>):  Macroize insn from
13923         *prefetch_sse and *prefetch_sse_rex using P mode iterator.
13924         (*prefetch_3dnow_<mode>): Ditto from *prefetch_3dnow and
13925         *prefetch_3dnow_rex.
13926
13927 2010-06-15  Anatoly Sokolov  <aesok@post.ru>
13928
13929         * target.h (struct asm_out):Add declare_constant_name field.
13930         * target-def.h (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
13931         (TARGET_INITIALIZER): Use TARGET_ASM_DECLARE_CONSTANT_NAME.
13932         * output.h (default_asm_declare_constant_name): Declare.
13933         (assemble_label): Update prototype.
13934         * varasm.c (assemble_constant_contents): Use
13935         targetm.asm_out.declare_constant_name target hook.
13936         (assemble_label): Add 'file' argument.
13937         (default_asm_declare_constant_name): New function.
13938         * system.h (ASM_DECLARE_CONSTANT_NAME): Poison.
13939         * doc/tm.texi (ASM_DECLARE_CONSTANT_NAME): Remove.
13940         (TARGET_ASM_DECLARE_CONSTANT_NAME): Document it.
13941
13942         * config/darwin-protos.h (darwin_asm_declare_constant_name): Declare.
13943         * config/darwin.c (darwin_asm_declare_constant_name): New function.
13944         (machopic_output_indirection): Update assemble_label argument list.
13945         * config/darwin.h (ASM_DECLARE_CONSTANT_NAME): Remove.
13946         (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
13947
13948 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
13949
13950         PR middle-end/44391
13951         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
13952         size_one_node for pointer types.  Do not call gmp_cst_to_tree.
13953
13954 2010-06-15  Richard Guenther  <rguenther@suse.de>
13955
13956         * tree-ssa-pre.c (eliminate): Handle PHI elimination to constants.
13957
13958 2010-06-15  Paul Brook  <paul@codesourcery.com>
13959
13960         * config/arm/arm.c (use_vfp_abi): Add sorry() for Thumb-1
13961         hard-float ABI.
13962
13963 2010-06-15  Alexandre Oliva  <aoliva@redhat.com>
13964
13965         * tree-vect-patterns.c (vect_pattern_recog_1): Bail out if we
13966         don't get a vector type for output.
13967
13968 2010-06-15  Jakub Jelinek  <jakub@redhat.com>
13969
13970         PR fortran/44536
13971         * langhooks.h (struct lang_hooks_for_decls): Add omp_report_decl.
13972         * langhooks-def.h (LANG_HOOKS_OMP_REPORT_DECL): Define.
13973         (LANG_HOOKS_DECLS): Add it.
13974         * gimplify.c (omp_notice_variable): Call
13975         lang_hooks.decls.omp_report_decl.
13976
13977 2010-06-15  Martin Jambor  <mjambor@suse.cz>
13978
13979         PR lto/44464
13980         * tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name
13981         on the newly dead SSA name.
13982
13983 2010-06-15  Alan Modra  <amodra@gmail.com>
13984
13985         * doc/invoke.texi: Add mcmodel to powerpc options.
13986         * configure.ac: Add HAVE_LD_LARGE_TOC test.
13987         * configure: Regenerate.
13988         * config.in: Regenerate.
13989         * config/rs6000/linux64.opt (mcmodel): New.
13990         * config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
13991         (TARGET_CMODEL, SET_CMODEL): Define.
13992         (SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
13993         select CMODEL_MEDIUM default.
13994         * config/rs6000/rs6000.h (enum rs6000_cmodel): New.
13995         (TARGET_CMODEL): Define default.
13996         * config/rs6000/rs6000.c (cmodel): New variable.
13997         (rs6000_explicit_options): Add cmodel field.
13998         (rs6000_handle_option): Handle -mcmodel.
13999         (create_TOC_reference): Add largetoc_reg param.  Generate high,
14000         lo_sum rtl for CMODEL_MEDIUM and CMODEL_LARGE.  Update all callers.
14001         (rs6000_delegitimize_address): Recognise new toc reference rtl
14002         and minimal-toc rtl.
14003         (rs6000_legitimize_reload_address): Handle new toc references.
14004         (print_operand_address): Handle legitimate_constant_pool_address_p
14005         match before lo_sum.
14006         (rs6000_eliminate_indexed_memrefs): Tidy.
14007         (rs6000_emit_move): Tweak threshold for inlining constants.
14008         Keep rs6000_emit_allocate_stack large stack frame offsets
14009         loaded into r0 inline.
14010         (rs6000_generate_compare <cmptf_internal2>): One more clobber.
14011         (tocrel_base, tocrel_offset): New variables.
14012         (toc_relative_expr_p): Set them here.
14013         (print_operand_address): Skip over any offset on constant pool address.
14014         (rs6000_output_addr_const_extra): Print tocrel_offset before @toc.
14015         (rs6000_mode_dependent_address <LO_SUM>): False for new toc refs.
14016         (offsettable_ok_by_alignment): New function.
14017         (rs6000_emit_move): Address suitably aligned local symbol_refs
14018         relative to the toc pointer for -mcmodel=medium.
14019         (legitimate_constant_pool_address_p): Make param const_rtx.  Add
14020         strict param.  Allow lo_sum version of addressing.  Verify reg
14021         used for -mminimal-toc and -mcmodel != small.  Update all callers.
14022         * config/rs6000/constraints.md: Update for above change.
14023         * config/rs6000/predicates.md: Likewise.
14024         * config/rs6000/rs6000.md (tls_gd_aix): Generate -mcmodel=medium/large
14025         code.
14026         (tls_gd): Split for -mcmodel=medium/large.
14027         (tls_gd_high, tls_gd_low): New.
14028         (tls_ld_aix, tls_ld, tls_ld_high, tls_ld_low): Similarly.
14029         (tls_got_dtprel, tls_got_dtprel_high, tls_got_dtprel_low): Similarly.
14030         (tls_got_tprel, tls_got_tprel_high, tls_got_tprel_low): Similarly.
14031         (largetoc_high, largetoc_low): New.
14032         (cmptf_internal2): Add clobber.
14033         * config/rs6000/rs6000-protos.h: Update.
14034
14035 2010-06-14  Changpeng Fang  <changpeng.fang@amd.com>
14036
14037         * tree-ssa-loop-prefetch.c (nothing_to_prefetch_p): New.  Return
14038         true if no prefetch is going to be generated for a given group.
14039         (estimate_prefetch_count): Use prefetch_mod and unroll_factor to
14040         estimate the prefetch_count.
14041         (loop_prefetch_arrays): Call nothing_to_prefetch_p; estimate the
14042         prefetch count by considering the unroll_factor and prefetch_mod
14043         for is_loop_prefetching_profitable.
14044
14045 2010-06-14  Andreas Schwab  <schwab@linux-m68k.org>
14046
14047         * config/m68k/m68k.c (m68k_delegitimize_address): Don't do
14048         anything if the argument is not a MEM.
14049
14050 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
14051
14052         PR debug/43650
14053         PR debug/44181
14054         PR debug/44247
14055         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
14056         debug stmts.
14057         (canonicalize_loop_ivs): Likewise.
14058
14059 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
14060
14061         PR debug/43656
14062         * haifa-sched.c (setup_insn_reg_pressure_info,
14063         update_register_pressure): Reject debug insns.
14064         (ready_sort): Don't setup reg pressure for debug insns.
14065         (schedule_insn): Don't update reg pressure for debug insns.
14066
14067 2010-06-14  Richard Guenther  <rguenther@suse.de>
14068
14069         * lto-streamer.c (cached_bp): Remove.
14070         (bitpack_delete): Likewise.
14071         (bitpack_create): Likewise.
14072         (bp_get_next_word): Likewise.
14073         (bp_pack_value, bp_unpack_value): Move ...
14074         * lto-streamer.h (bp_pack_value, bp_unpack_value): ... here.
14075         Re-implement.
14076         (struct bitpack_d): Likewise.
14077         (bitpack_create, lto_output_bitpack, lto_input_bitpack):
14078         New inline functions.
14079         * lto-streamer-out.c (lto_output_bitpack): Remove.
14080         (pack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
14081         (pack_value_fields): Adjust.
14082         (lto_write_tree): Likewise.
14083         (output_gimple_stmt): Likewise.
14084         (output_function): Likewise.
14085         * lto-streamer-in.c (input_gimple_stmt): Adjust.
14086         (input_function): Likewise.
14087         (unpack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
14088         (lto_input_bitpack): Remove.
14089         (lto_materialize_tree): Adjust.
14090         * Makefile.in (ipa-prop.o): Add $(LTO_STREAMER_H) dependency.
14091         * lto-cgraph.c (lto_output_edge): Adjust.
14092         (lto_output_node): Likewise.
14093         (lto_output_varpool_node): Likewise.
14094         (lto_output_ref): Likewise.
14095         (input_node): Likewise.
14096         (input_varpool_node): Likewise.
14097         (input_ref): Likewise.
14098         (input_edge): Likewise.
14099         (output_node_opt_summary): Likewise.
14100         (input_node_opt_summary): Likewise.
14101         * ipa-pure-const.c (pure_const_write_summary): Likewise.
14102         (pure_const_read_summary): Likewise.
14103         * ipa-prop.c (ipa_write_indirect_edge_info): Likewise.
14104         (ipa_read_indirect_edge_info): Likewise.
14105         (ipa_write_node_info): Likewise.
14106         (ipa_read_node_info): Likewise.
14107
14108 2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>
14109
14110         PR target/44534
14111         * config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with 0x0.
14112         (vec_extract_lo_v16hi): Likewise.
14113         (vec_extract_lo_v32qi): Likewise.
14114
14115 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
14116
14117         PR bootstrap/44426
14118         * tree.h (build_call_expr): Don't define as vararg macro, instead
14119         add a prototype.
14120         * builtins.c (build_call_nofold): Remove.
14121         (expand_builtin_int_roundingfn, expand_builtin_pow,
14122         expand_builtin_mempcpy_args, expand_builtin_stpcpy,
14123         expand_builtin_memset_args, expand_builtin_strcmp,
14124         expand_builtin_strncmp, expand_builtin_memory_chk): Use
14125         build_call_nofold_loc instead of build_call_nofold.
14126         (build_call_expr): New function.
14127
14128         PR tree-optimization/44508
14129         * tree-ssa-propagate.h (substitute_and_fold): Add DO_DCE argument.
14130         * tree-ssa-propagate.c (substitute_and_fold): If !DO_DCE,
14131         don't eliminate trivially dead stmts.
14132         * tree-vrp.c (vrp_finalize): Pass false as last argument
14133         to substitute_and_fold.
14134         * tree-ssa-copy.c (fini_copy_prop): Pass true as last argument
14135         to substitute_and_fold.
14136         * tree-ssa-ccp.c (ccp_finalize): Likewise.
14137
14138         PR bootstrap/44509
14139         * c-config-lang.in (gtfiles): Add c-family/c-cppbuiltin.c.
14140
14141 2010-06-14  Ira Rosen  <irar@il.ibm.com>
14142
14143         PR tree-optimization/44507
14144         * tree-vect-loop.c (get_initial_def_for_reduction): Use -1
14145         to build initial vector for BIT_AND_EXPR.
14146         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
14147
14148 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
14149
14150         * config/s390/s390.md (*mov<mode>_64 DD_DF, mov<mode>): Properly
14151         adjust z10prop set_attr.
14152
14153 2010-06-13  Jan Hubicka  <jh@suse.cz>
14154
14155         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
14156         bitmap_and_compl_into, bitmap_compl_and_into, bitmap_ior,
14157         bitmap_ior_into, bitmap_xor, bitmap_xor_into,
14158         bitmap_ior_and_compl, bitmap_ior_and_compl): Turn internal
14159         datastructure checks into checking asserts.
14160         * rtlanal.c (find_reg_note): Use gcc_checking_assert.
14161         * tree-ssa-sccvn.c (VN_INFO): Likewise.
14162         * df-scan.c (df_reorganize_refs_by_reg_by_reg, df_install_ref,
14163         df_ref_create_structure): Likewise.
14164         * alloc-pool.c (create_alloc_pool, empty_alloc_pool, pool_alloc,
14165         pool_free): Use gcc_checking_assert.
14166         * alias.c (get_alias_set): Likewise.
14167         * var-tracking.c (variable_htab_free, shared_hash_copy,
14168         canonicalize_values_mark, variable_merge_over_cur): Likewise.
14169         * lto-streamer.c (bp_unpack_value): Likewise.
14170
14171 2010-06-13  Richard Guenther  <rguenther@suse.de>
14172
14173         * lto-streamer-in.c (lto_input_ts_type_tree_pointers):
14174         Do not stream but initialize TYPE_CANONICAL to NULL.
14175         (lto_output_ts_type_tree_pointers): Do not stream TYPE_CANONICAL.
14176         * gimple.c (gimple_types_compatible_p): Disregard
14177         TYPE_STRUCTURAL_EQUALITY_P.
14178         (gimple_register_type): Use TYPE_CANONICAL as cache.
14179         * lto-streamer.c (lto_record_common_node): Zero TYPE_CANONICAL
14180         before registering common types.
14181         * config/i386/i386.c (ix86_function_arg_boundary): Do not
14182         use TYPE_CANONICAL, instead use TYPE_MAIN_VARIANT.
14183         * tree.h (TYPE_CANONICAL): Clarify documentation.
14184
14185 2010-06-13  Anatoly Sokolov  <aesok@post.ru>
14186
14187         * config/ia64/ia64.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
14188         LIBCALL_VALUE): Remove macros.
14189         * config/ia64/ia64-protos.h (ia64_function_value): Remove.
14190         * config/ia64/ia64.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
14191         TARGET_FUNCTION_VALUE_REGNO_P): Define.
14192         (ia64_libcall_value, ia64_function_value_regno_p): New functions.
14193         (ia64_function_value): Make static. Handle receiving the function
14194         type in 'fn_decl_or_type' argunent. Add 'outgoing' argument.
14195
14196 2010-06-12  Jan Hubicka  <jh@suse.cz>
14197
14198         * cse.c (cse_extended_basic_block): Move optimize_bb_for_speed_p
14199         at correct place.
14200
14201 2010-06-12  Bernd Schmidt  <bernds@codesourcery.com>
14202
14203         * config/arm/arm.c (thumb2_reorg): Fix errors in previous change.
14204
14205 2010-06-12  Jan Hubicka  <jh@suse.cz>
14206
14207         * df-core.c (df_clear_bb_info): New function.
14208         (df_set_blocks): bb_info is always allocated.
14209         (df_get_bb_info): Use block_info_elt_size.
14210         (df_set_bb_info): Likewise.
14211         (df_compact_blocks): Update for new block_info.
14212         (grow_bb_info): New function.
14213         * df-problems.c (df_grow_bb_info): Move to df-core.c
14214         (df_rd_set_bb_info): Remove.
14215         (df_rd_free_bb_info): Do not free block pool.
14216         (df_rd_alloc): Do not create pool, use check for
14217         obstack presence instead of NULL pointer for new blocks.
14218         (df_rd_free): DO not free alloc pool; clear block_info.
14219         (problem_RD): Add size of block info structure.
14220         (df_lr_set_bb_info): Remove.
14221         (df_lr_free_bb_info): Do not free block pool.
14222         (df_lr_alloc): Do not create pool, use check for
14223         obstack presence instead of NULL pointer for new blocks.
14224         (df_lr_free): DO not free alloc pool; clear block_info.
14225         (problem_LR): Add size of block info structure.
14226         (df_live_set_bb_info): Remove.
14227         (df_live_free_bb_info): Do not free block pool.
14228         (df_live_alloc): Do not create pool, use check for
14229         obstack presence instead of NULL pointer for new blocks.
14230         (df_live_free): DO not free alloc pool; clear block_info.
14231         (problem_LIVE): Add size of block info structure.
14232         (problem_CHAIN): Add size of block info structure.
14233         (df_byte_lr_set_bb_info): Remove.
14234         (df_byte_lr_free_bb_info): Do not free block pool.
14235         (df_byte_lr_alloc): Do not create pool, use check for
14236         obstack presence instead of NULL pointer for new blocks.
14237         (df_byte_lr_free): DO not free alloc pool; clear block_info.
14238         (problem_BYTE_LR): Add size of block info structure.
14239         (problem_NOTE): Add size of block info structure.
14240         (df_byte_MD_set_bb_info): Remove.
14241         (df_byte_MD_free_bb_info): Do not free block pool.
14242         (df_byte_MD_alloc): Do not create pool, use check for
14243         obstack presence instead of NULL pointer for new blocks.
14244         (df_byte_MD_free): DO not free alloc pool; clear block_info.
14245         (problem_BD): Add size of block info structure.
14246         * df-scan.c (df_scan_free_internal): Free block pool.
14247         (df_scan_set_bb_info): Remove.
14248         (df_scan_free_bb_info): Check for artificial_defs instead
14249         of bb_info being non-NULL.
14250         (df_scan_alloc): DO not create df_scan_block pool.
14251         (problem_SCAN): Set size of block info.
14252         (df_bb_refs_record): Do not allocate bb_info.
14253         * df.h (df_problem): Add block_info_elt_size.
14254         (struct dataflow): Change block_info to void *.
14255         (df_scan_get_bb_info, df_rd_get_bb_info, df_lr_get_bb_info,
14256         df_md_get_bb_info, df_live_get_bb_info, df_byte_lr_get_bb_info): Return
14257         in-line structures.
14258
14259 2010-06-12  Jan Hubicka  <jh@suse.cz>
14260
14261         PR tree-optimize/44485
14262         * tree-cfgcleanup.c (fixup_noreturn_call): Remove basic blocks
14263         containing use of return value of noreturn function.
14264
14265 2010-06-12  Anatoly Sokolov  <aesok@post.ru>
14266
14267         * targhooks.c (default_function_value): Don't use
14268         FUNCTION_OUTGOING_VALUE.
14269         * system.h (FUNCTION_OUTGOING_VALUE): Poison.
14270         * doc/tm.texi (FUNCTION_OUTGOING_VALUE): Removed.
14271
14272 2010-06-12  Kazu Hirata  <kazu@codesourcery.com>
14273
14274         * config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*, mips*-*-linux*):
14275         Add crtfastmath.o to extra_parts.
14276         * config/mips/crtfastmath.c: New.
14277         * config/mips/linux.h (ENDFILE_SPEC): New.
14278
14279 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
14280
14281         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
14282         old_type in parameter.
14283         (gcc_type_for_value): Update call to gcc_type_for_interval.
14284         (compute_type_for_level_1): Renamed compute_type_for_level.
14285         Update call to gcc_type_for_interval.
14286
14287 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
14288
14289         * common.opt (Wstrict-aliasing=, Wstrict-overflow=, fabi-version=,
14290         flto-compression-level=, ftree-parallelize-loops=): Add RejectNegative.
14291
14292 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
14293
14294         * opts-common.c: Include options.h.
14295         (integral_argument): Move from opts.c.
14296         (decode_cmdline_option): New.  Based on read_cmdline_option.
14297         * opts.c (integral_argument): Move to opts-common.c.
14298         (read_cmdline_option): Move most contents to
14299         decode_cmdline_option.  Use %qs in diagnostics.
14300         * opts.h (CL_ERR_DISABLED, CL_ERR_MISSING_ARG, CL_ERR_WRONG_LANG,
14301         CL_ERR_UINT_ARG, struct cl_decoded_option, integral_argument,
14302         decode_cmdline_option): New.
14303
14304 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
14305
14306         PR target/44481
14307         * config/i386/i386.md (UNSPEC_PARITY): New unspec.
14308         (paritydi2_cmp): Use UNSPEC_PARITY unspec instead of parity RTX.
14309         (partiysi2_cmp): Ditto.
14310         (*partiyhi2_cmp): Ditto.
14311         (*parityqi2_cmp): Remove.
14312
14313 2010-06-11  Jan Hubicka  <jh@suse.cz>
14314
14315         * bitmap.h (bmp_iter_next_bit): New.
14316         (bmp_iter_set, bmp_iter_and, bmp_iter_and_compl): Use it.
14317
14318 2010-06-11  Sandra Loosemore  <sandra@codesourcery.com>
14319             Eric Botcazou  <ebotcazou@adacore.com>
14320
14321         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Return again the
14322         computed cost.
14323
14324 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
14325
14326         * config/i386/i386.md (unspec): New define_c_enum.
14327         (unspecv): Ditto.
14328
14329 2010-06-10  Jakub Jelinek  <jakub@redhat.com>
14330
14331         * Makefile.in (c-family/c-cppbuiltin.o): Depend on $(CPP_ID_DATA_H).
14332
14333 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
14334
14335         PR middle-end/44483
14336         * tree-if-conv.c (bb_predicate_s): New struct.
14337         (bb_predicate_p): New.
14338         (bb_has_predicate): New.
14339         (bb_predicate): New.
14340         (set_bb_predicate): New.
14341         (bb_predicate_gimplified_stmts): New.
14342         (set_bb_predicate_gimplified_stmts): New.
14343         (add_bb_predicate_gimplified_stmts): New.
14344         (init_bb_predicate): New.
14345         (free_bb_predicate): New.
14346         (is_predicated): Use bb_predicate.
14347         (add_to_predicate_list): Use bb_predicate and set_bb_predicate.
14348         (predicate_bbs): Same.  Gimplify the condition of the basic blocks
14349         before processing their successors.
14350         (clean_predicate_lists): Removed.
14351         (find_phi_replacement_condition): Use bb_predicate.
14352         (process_phi_nodes): Renamed ifconvert_phi_nodes.  Avoid useless
14353         computations.
14354         (insert_gimplified_predicates): New.
14355         (combine_blocks): Call insert_gimplified_predicates.
14356         (tree_if_conversion): Call free_bb_predicate instead of
14357         clean_predicate_lists.
14358
14359 2010-10-11  Paul Brook  <paul@codesourcery.com>
14360
14361         * doc/invoke.texi: Document ARM -mcpu=cortex-m4.
14362         * config/arm/arm.c (all_architectures): Change v7e-m default to
14363         cortexm4.
14364         * config/arm/arm-cores.def: Add cortex-m4.
14365         * config/arm/arm-tune.md: Regenerate.
14366
14367 2010-06-11  Jan Hubicka  <jh@suse.cz>
14368
14369         * ipa-pure-const.c (special_builtlin_state): New function.
14370         (check_call): Use it instead of special casign BUILT_IN_RETURN.
14371         (propagate_pure_const): Use it.
14372
14373 2010-06-11  Jan Hubicka  <jh@suse.cz>
14374
14375         * df-problems.c (df_live_scratch): Convert to bitmap_head.
14376         (df_live_alloc): Initialize df_live_scratch when initializing
14377         problem_data.
14378         (df_live_transfer_function): Update uses of df_live_scratch.
14379         (df_live_free): Free problem_data; clear df_live_scratch before
14380         releasing the obstack.
14381         (df_md_free): Free problem data.
14382
14383 2010-06-11  Jan Hubicka  <jh@suse.cz>
14384
14385         * doc/invoke.texi (Wsuggest-attribute): Document.
14386         (Wmissing-noreturn): Remove.
14387         * ipa-pure-const.c (warn_function_noreturn): New function.
14388         * opts.c (decode_options): Set warn_suggest_attribute_noreturn on
14389         warn_missing_noreturn.
14390         * common.opt (Wsuggest-attribute=noreturn): New.
14391         * tree-flow.h (warn_function_noreturn): Declare.
14392         * tree-cfg.c (execute_warn_function_noreturn): Use
14393         warn_function_noreturn.
14394         (gate_warn_function_noreturn): New.
14395         (pass_warn_function_noreturn): Update.
14396
14397 2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
14398
14399         * c-typeck.c (handle_warn_cast_qual): Add loc
14400         parameter. Improve warning message.
14401         (build_c_cast): Pass location to handle_warn_cast_qual.
14402
14403 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
14404
14405         * config/i386/i386.md (pro_epilogue_adjust_stack_1) <TYPE_ALU>: Assert
14406         that operand 0 == operand 1.  Use x86_maybe_negate_const_int to output
14407         insn mnemonic.
14408         (pro_epilogue_adjust_stack_rex64) <TYPE_ALU>: Ditto.
14409
14410 2010-06-10  Dodji Seketeli  <dodji@redhat.com>
14411
14412         Fix bootstap on mips
14413         * dwarf2out.c (is_naming_typedef_dec): Built-in TYPE_DECLs cannot
14414         be naming typedefs.
14415
14416 2010-06-11  Kai Tietz  <kai.tietz@onevision.com>
14417
14418         * system.h (helper_const_non_const_cast): New inline for
14419         gcc version <= 4.0.
14420         (CONST_CAST2): For gcc version <= 4.0 use
14421         new helper to do const/non-const casting.
14422
14423 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14424
14425         * doc/md.texi: Document the "unspec" and "unspecv" enum names.
14426         * Makefile.in (OBJS-common): Include insn-enums.o.
14427         (insn-enums.o): New rule.
14428         (simple_generated_c): Add insn-enums.c.
14429         (build/genenums.o): New rule.
14430         (genprogmd): Add "enums".
14431         * genconstants.c (print_enum_type): Declare a C string array
14432         for each enum.
14433         * genenums.c: New file.
14434         * print-rtl.c (print_rtx): If defined, use the "unspecv" enum
14435         for UNSPEC_VOLATILE.  If defined, use the "unspec" enum for both
14436         UNSPEC and (as a fallback) for UNSPEC_VOLATILE.
14437
14438 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14439
14440         * doc/md.texi (define_enum_attr): Document.
14441         * rtl.def (DEFINE_ENUM_ATTR): New rtx.
14442         * read-md.h (lookup_enum_type): Declare.
14443         * read-md.c (lookup_enum_type): New function.
14444         * genattr.c (gen_attr, main): Handle DEFINE_ENUM_ATTR.
14445         * genattrtab.c (attr_desc): Add an enum_name field.
14446         (evaluate_eq_attr): Take the associated attribute as argument.
14447         Get the enum prefix from the enum_name field, if defined.
14448         Use ACONCAT rather than a fixed-length buffer.  Update recursive calls.
14449         (simplify_test_exp): Pass attr to evaluate_eq_attr.
14450         (add_attr_value): New function, split out from...
14451         (gen_attr): ...here.  Handle DEFINE_ENUM_ATTR.
14452         (write_test_expr): Pass attr to evaluate_eq_attr.
14453         (write_attr_get): Use the enum_name as the enum tag, if defined.
14454         (write_attr_valueq): Use the enum_name as a prefix, if defined.
14455         (find_attr): Initialize enum_name.
14456         (main): Handle DEFINE_ENUM_ATTR.
14457         * gensupport.c (process_rtx): Likewise.
14458         * config/mips/mips.h (mips_tune_attr): Delete.
14459         * config/mips/mips.md (cpu): Use define_attr_enum.
14460
14461 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14462
14463         * doc/md.texi (define_c_enum, define_enum): Document.
14464         * read-md.h (md_constant): Add a parent_enum field.
14465         (enum_value, enum_type): New structures.
14466         (upcase_string, traverse_enum_types): Declare.
14467         * read-md.c (enum_types): New variable.
14468         (upcase_string, add_constant): New functions.
14469         (handle_constants): Don't create the hash table here.
14470         Use add_constant.
14471         (traverse_md_constants): Don't check for a null md_constants.
14472         (decimal_string, handle_enum, traverse_enum_types): New functions.
14473         (read_md_files): Initialize md_constants and md_enums.
14474         * genconstants.c (print_md_constant): Ignore info argument.
14475         Only print constants that belong to no enum.
14476         (print_enum_type): New function.
14477         (main): Don't pass stdout to print_md_constant.  Call print_enum_type
14478         for each defined enum type.
14479         * config/mips/mips.md (processor): New define_enum.
14480         (unspec): New define_c_enum.
14481         (UNSPEC_COMPARE_AND_SWAP, UNSPEC_COMPARE_AND_SWAP_12)
14482         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_NEW_OP_12)
14483         (UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE, UNSPEC_SYNC_EXCHANGE_12)
14484         (UNSPEC_MEMORY_BARRIER): Moved to sync.md.
14485         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
14486         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
14487         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
14488         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
14489         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
14490         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
14491         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
14492         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
14493         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
14494         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
14495         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
14496         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
14497         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
14498         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
14499         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
14500         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
14501         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
14502         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
14503         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
14504         (UNSPEC_RDDSP): Move to mips-dsp.md.
14505         (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH, UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB)
14506         (UNSPEC_ADDUH_R_QB, UNSPEC_APPEND, UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB)
14507         (UNSPEC_CMPGDU_LT_QB, UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH)
14508         (UNSPEC_DPS_W_PH, UNSPEC_MADD, UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU)
14509         (UNSPEC_MUL_PH, UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH)
14510         (UNSPEC_MULQ_S_W, UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU)
14511         (UNSPEC_PRECR_QB_PH, UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W)
14512         (UNSPEC_PREPEND, UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH)
14513         (UNSPEC_SUBU_PH, UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB)
14514         (UNSPEC_ADDQH_PH, UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W)
14515         (UNSPEC_SUBQH_PH, UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W)
14516         (UNSPEC_DPAX_W_PH, UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH)
14517         (UNSPEC_DPAQX_SA_W_PH, UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH):
14518         Moved to mips-dspr2.md.
14519         (UNSPEC_MOVE_TF_PS, UNSPEC_C, UNSPEC_ALNV_PS, UNSPEC_CABS)
14520         (UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS, UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS)
14521         (UNSPEC_ABS_PS, UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1)
14522         (UNSPEC_RECIP2, UNSPEC_SINGLE_CC, UNSPEC_SCC): Move from mips-ps-3d.md.
14523         (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ, UNSPEC_LOONGSON_PCMPGT)
14524         (UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
14525         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
14526         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
14527         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
14528         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
14529         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
14530         UNSPEC_LOONGSON_PSADBH)
14531         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
14532         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
14533         (UNSPEC_LOONGSON_PSUBD): Move to mips-loongson.md.
14534         (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
14535         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
14536         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
14537         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Move to mips-loongson2ef.md.
14538         (cpu): Update comment.
14539         * config/mips/sync.md (UNSPEC_COMPARE_AND_SWAP)
14540         (UNSPEC_COMPARE_AND_SWAP_12, UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP)
14541         (UNSPEC_SYNC_NEW_OP_12, UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE)
14542         (UNSPEC_SYNC_EXCHANGE_12, UNSPEC_MEMORY_BARRIER): Moved from mips.md.
14543         * config/mips/loongson.md (UNSPEC_LOONGSON_PAVG,
14544         UNSPEC_LOONGSON_PCMPEQ)
14545         (UNSPEC_LOONGSON_PCMPGT, UNSPEC_LOONGSON_PEXTR,
14546         UNSPEC_LOONGSON_PINSR_0)
14547         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
14548         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
14549         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
14550         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
14551         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
14552         UNSPEC_LOONGSON_PSADBH)
14553         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
14554         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
14555         (UNSPEC_LOONGSON_PSUBD): Moved from mips.md
14556         * config/mips/loongson2ef.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
14557         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
14558         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
14559         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved from mips.md
14560         * config/mips/mips-dsp.md (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ)
14561         (UNSPEC_SUBQ_S, UNSPEC_ADDSC, UNSPEC_ADDWC, UNSPEC_MODSUB)
14562         (UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S, UNSPEC_PRECRQ_QB_PH)
14563         (UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W, UNSPEC_PRECRQU_S_QB_PH)
14564         (UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR, UNSPEC_PRECEQU_PH_QBL)
14565         (UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA, UNSPEC_PRECEQU_PH_QBRA)
14566         (UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR, UNSPEC_PRECEU_PH_QBLA)
14567         (UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL, UNSPEC_SHLL_S, UNSPEC_SHRL_QB)
14568         (UNSPEC_SHRA_PH, UNSPEC_SHRA_R, UNSPEC_MULEU_S_PH_QBL)
14569         (UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH, UNSPEC_MULEQ_S_W_PHL)
14570         (UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL, UNSPEC_DPAU_H_QBR)
14571         (UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR, UNSPEC_DPAQ_S_W_PH)
14572         (UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH, UNSPEC_DPAQ_SA_L_W)
14573         (UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL, UNSPEC_MAQ_S_W_PHR)
14574         (UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR, UNSPEC_BITREV, UNSPEC_INSV)
14575         (UNSPEC_REPL_QB, UNSPEC_REPL_PH, UNSPEC_CMP_EQ, UNSPEC_CMP_LT)
14576         (UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB, UNSPEC_CMPGU_LT_QB)
14577         (UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH, UNSPEC_EXTR_W)
14578         (UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H, UNSPEC_EXTP)
14579         (UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
14580         (UNSPEC_RDDSP): Moved from mips.md.
14581         * config/mips/mips-dspr2.md (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH)
14582         (UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB, UNSPEC_ADDUH_R_QB, UNSPEC_APPEND)
14583         (UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB, UNSPEC_CMPGDU_LT_QB)
14584         (UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH, UNSPEC_DPS_W_PH, UNSPEC_MADD)
14585         (UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU, UNSPEC_MUL_PH)
14586         (UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH, UNSPEC_MULQ_S_W)
14587         (UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU, UNSPEC_PRECR_QB_PH)
14588         (UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W, UNSPEC_PREPEND)
14589         (UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH, UNSPEC_SUBU_PH)
14590         (UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB, UNSPEC_ADDQH_PH)
14591         (UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W, UNSPEC_SUBQH_PH)
14592         (UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W, UNSPEC_DPAX_W_PH)
14593         (UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH, UNSPEC_DPAQX_SA_W_PH)
14594         (UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH): Moved from mips.md.
14595         * config/mips/mips-ps-3d.md (UNSPEC_MOVE_TF_PS, UNSPEC_C)
14596         (UNSPEC_ALNV_PS, UNSPEC_CABS, UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS)
14597         (UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS, UNSPEC_ABS_PS, UNSPEC_RSQRT1)
14598         (UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2, UNSPEC_SINGLE_CC)
14599         (UNSPEC_SCC): Moved from mips.md.
14600         * config/mips/mips.c (mips_arch, mips_tune): Change enum from
14601         "processor_type" to "processor".
14602         (mips_rtx_cost_data): Replace PROCESSOR_MAX with NUM_PROCESSOR_VALUES.
14603         * config/mips/mips.h (processor_type): Delete.
14604         (mips_cpu_info.cpu, mips_arch, mips_tune): Change enum from
14605         "processor_type" to "processor".
14606
14607 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14608
14609         * configure.ac (tm_include_list): Add insn-constants.h.
14610         * configure: Regenerate.
14611         * Makefile.in (GTM_H): Move insn-constants.h here from...
14612         (TM_H): ...here.
14613         * mkconfig.sh: Remove special handling for insn-constants.h.
14614
14615 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14616
14617         * Makefile.in (BUILD_RTL): Move build/read-md.o to...
14618         (BUILD_MD): ...this new variable.
14619         (simple_generated_rtl_h, simple_generated_rtl_c): New variables
14620         that include the old contents of simple_generated_h and
14621         simple_generated_c.
14622         (simple_generated_h, simple_generated_c): Include them.  Add
14623         insn-constants.h.
14624         (s-%): Make simple_generated_{h,c} stamps depend on $(MD_DEPS)
14625         and simple_generated_rtl_{h,c} stamps depend on insn-conditions.md.
14626         Remove these dependencies from the main rule and include
14627         insn-conditions.md in the command line only if it appears
14628         in the dependency list.
14629         (insn-constants.h, s-constants): Delete.
14630         (build/genconstants.o): Don't depend on $(RTL_BASE_H), $(GTM_H)
14631         or gensupport.h.
14632         (build/genmddeps.o): Likewise.
14633         (genprogrtl): New variable that contains everything from genprogmd
14634         except mddeps and constants.
14635         (genprogmd): Redefine in terms of genprogrtl.  Make these programs
14636         depend on $(BUILD_MD)
14637         (genprog): New variable.  Make these programs depend on
14638         $(BUILD_ERRORS).
14639         * genmddeps.c: Don't include tm.h, rtl.h or gensupport.h.
14640         (main): Use read_md_files instead of init_rtx_reader_args.
14641         * genconstants.c: As for genmddeps.c.
14642         * read-md.h (read_skip_construct): Declare.
14643         * read-md.c (read_skip_construct): New function.
14644         (handle_file): Allow a null handle_directive, skipping the
14645         construct if so.
14646         (parse_include): Update the comment accordingly.
14647
14648 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14649
14650         * Makefile.in (build/genmddeps.o): Depend on $(READ_MD_H).
14651         * genmddeps.c: Include read-md.h.
14652         (main): Call init_rtx_reader_args instead of init_md_reader_args.
14653         * genattr.c (main): Likewise.
14654         * genattrtab.c (main): Likewise.
14655         * genautomata.c (main): Likewise.
14656         * gencodes.c (main): Likewise.
14657         * genconditions.c (main): Likewise.
14658         * genconfig.c (main): Likewise.
14659         * genconstants.c (main): Likewise.
14660         * genemit.c (main): Likewise.
14661         * genextract.c (main): Likewise.
14662         * genflags.c (main): Likewise.
14663         * genopinit.c (main): Likewise.
14664         * genoutput.c (main): Likewise.
14665         * genpeep.c (main): Likewise.
14666         * genrecog.c (main): Likewise.
14667         * genpreds.c (main): Likewise.
14668         * gensupport.h (in_fname): Move to read-md.h.
14669         (init_md_reader_args_cb): Rename to...
14670         (init_rtx_reader_args_cb): ...this and return a bool.
14671         (init_md_reader_args): Rename to...
14672         (init_rtx_reader_args): ...this and return a bool.
14673         (include_callback): Move to read-md.h.
14674         * gensupport.c (in_fname, include_callback, base_dir, max_include_len)
14675         (file_name_list, first_dir_md_include): Move to read-md.c
14676         (first_bracket_include): Delete unused variable.
14677         (last_dir_md_include): Move to read-md.c.
14678         (process_include): Delete, moving code to read-md.c:handle_include.
14679         (process_rtx): Don't handle INCLUDE.
14680         (save_string): Delete.
14681         (rtx_handle_directive): New function.
14682         (init_md_reader_args_cb): Rename to...
14683         (init_rtx_reader_args_cb): ...this and return a boolean success value.
14684         Use read_md_args.
14685         (init_md_reader_args): Rename to...
14686         (init_rtx_reader_args): ...this and return a boolean success value.
14687         * rtl.def (INCLUDE): Delete.
14688         * rtl.h (read_rtx): Remove "int *" argument.  Add "const char *"
14689         argument.
14690         * read-rtl.c (read_conditions): Don't gobble ')' here.
14691         (read_mapping): Likewise.
14692         (read_rtx): Remove LINENO argument.  Add RTX_NAME argument.
14693         Handle top-level non-rtx constructs here rather than in read_rtx_1.
14694         Store the whole queue in *X.  Remove call to init_md_reader.
14695         (read_rtx_1): Rename to...
14696         (read_rtx_code): ...this.  Call read_nested_rtx to read subrtxes.
14697         Don't handle top-level non-rtx constructs here.  Don't handle (nil)
14698         here.
14699         (read_nested_rtx): New function.  Handle (nil) here rather than
14700         in read_rtx_code.
14701         (read_rtx_variadic): Call read_nested_rtx to read subrtxes.  Don't
14702         gobble ')' here.
14703         * read-md.h (directive_handler_t): New type.
14704         (in_fname, include_callback): Moved from read-md.h.
14705         (read_constants, init_md_reader): Delete.
14706         (read_md_files): Declare.
14707         * read-md.c (file_name_list, in_fname, base_dir, first_dir_md_include)
14708         (last_dir_md_include_ptr, include_callback, max_include_len): Moved
14709         from gensupport.c.
14710         (read_constants): Rename to...
14711         (handle_constants): ...this.  Don't gobble ')' here.
14712         (handle_include, handle_file, handle_toplevel_file)
14713         (parse_include): New functions, mostly taken from gensupport.c.
14714         (init_md_reader): Subsume into...
14715         (read_md_files): ...this new function.
14716
14717 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14718
14719         * read-md.h (read_char): Increment read_md_lineno after reading '\n'.
14720         (unread_char): Decrement read_md_lineno after putting back '\n'.
14721         * read-md.c (fatal_with_file_and_line): Push back any characters
14722         that we decide not to add to the context.
14723         (read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
14724         fatal_expected_char in cases where '/' ends a line (for example).
14725         (read_name): Don't increment read_md_lineno here.
14726         (read_escape): Likewise.
14727         (read_quoted_string): Likewise.
14728         (read_braced_string): Likewise.
14729
14730 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14731
14732         * Makefile.in (READ_MD_H): Add $(HASHTAB_H).
14733         (build/genconstants.o): Depend on $(READ_MD_H) gensupport.h.
14734         * genconstants.c: Include read-md.h.
14735         * read-rtl.c (md_constants): Move to read-md.c.
14736         (md_name): Move to read-md.h.
14737         (initialize_iterators): Use leading_string_hash instead of def_hash
14738         and leading_string_eq_p instead of def_name_eq_p.
14739         (read_name): Move to read-md.c.
14740         (def_hash, def_name_eq_p): Delete.
14741         (read_constants, traverse_md_constants): Move to read-md.c.
14742         * rtl.h (md_constant, traverse_md_constants): Move to read-md.h.
14743         * read-md.h: Include hashtab.h.
14744         (md_name): Moved from read-rtl.c.
14745         (md_constant): Moved from read-md.h.
14746         (leading_string_hash, leading_string_eq_p, read_name)
14747         (read_constants, traverse_md_constants): Declare.
14748         * read-md.c (md_constants): Moved from read-rtl.c.
14749         (leading_string_hash, leading_string_eq_p): New functions.
14750         (read_name, read_constants, traverse_md_constants): Moved from
14751         read-rtl.c.
14752
14753 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14754
14755         * read-rtl.c (md_name): New structure.
14756         (read_name): Take an md_name instead of a buffer pointer.
14757         Use the "string" field instead of strcpy when expanding constants.
14758         (read_constants): Remove the tmp_char argument.  Update the calls
14759         to read_name, using two local name buffers instead of the tmp_char
14760         argument.  Merge the constant-creation code.
14761         (read_conditions): Remove the tmp_char argument.  Update the calls
14762         to read_name, using a local name buffer instead of the tmp_char
14763         argument.
14764         (read_mapping): Replace tmp_char variable with a local name buffer.
14765         Update the calls to read_name.
14766         (read_rtx_1): Likewise.  Update the calls to read_constants and
14767         read_conditions.
14768
14769 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14770
14771         * Makefile.in (build/read-md.o): Depend on errors.h.
14772         * read-md.h (error_with_line): Declare.
14773         * read-md.c: Include errors.h.
14774         (message_with_line_1): New function, extracted from...
14775         (message_with_line): ...here.
14776         (error_with_line): New function.
14777         * genattrtab.c: If a call to message_with_line is followed by
14778         "have_error = 1;", replace both statements with a call to
14779         error_with_line.
14780         * genoutput.c: Likewise.
14781         * genpreds.c: Likewise.
14782         * genrecog.c: If a call to message_with_line is followed by
14783         "error_count++;", replace both statements with a call to
14784         error_with_line.
14785         (errorcount): Delete.
14786         (main): Don't check it.
14787         * gensupport.c: If a call to message_with_line is followed by
14788         "errors = 1;", replace both statements with a call to error_with_line.
14789         (errors): Delete.
14790         (process_define_cond_exec): Check have_error instead of errors.
14791         (init_md_reader_args_cb): Likewise.  Don't set errors.
14792
14793 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14794
14795         * read-md.h (read_md_file): Declare.
14796         (read_char, unread_char): New functions.
14797         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
14798         (read_quoted_string, read_string): Remove FILE * argument.
14799         * read-md.c (read_md_file): New variable.
14800         (read_md_filename, read_md_lineno): Update comments and remove
14801         unnecessary initialization.
14802         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
14803         (read_escape, read_quoted_string, read_braced_string, read_string):
14804         Remove FILE * argument.  Update calls accordingly, using read_char
14805         and unread_char instead of getc and ungetc.
14806         * rtl.h (read_rtx): Remove FILE * argument.
14807         * read-rtl.c (iterator_group): Remove FILE * argument from
14808         "find_builtin".
14809         (iterator_traverse_data): Remove "infile" field.
14810         (find_mode, find_code, apply_mode_maps, apply_iterator_to_rtx)
14811         (add_mapping, read_name, read_constants, read_conditions)
14812         (validate_const_int, find_iterator, read_mapping, check_code_iterator)
14813         (read_rtx, read_rtx_1, read_rtx_variadic): Remove FILE * argument.
14814         Remove file arguments from all calls, using read_char and unread_char
14815         instead of getc and ungetc.
14816         * gensupport.c (process_include): Preserve read_md_file around
14817         the include.  Set read_md_file to the handle of the included file.
14818         Update call to read_rtx.
14819         (init_md_reader_args_cb): Set read_md_file to the handle of the file
14820         and remove local FILE *.  Update calls to read_rtx.
14821
14822 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14823
14824         * read-md.h (read_rtx_lineno): Rename to...
14825         (read_md_lineno): ...this.
14826         (read_rtx_filename): Rename to...
14827         (read_md_filename): ...this.
14828         (copy_rtx_ptr_loc): Rename to...
14829         (copy_md_ptr_loc): ...this.
14830         (print_rtx_ptr_loc): Rename to...
14831         (print_md_ptr_loc): ...this.
14832         * read-md.c: Likewise.  Update references after renaming.
14833         (string_obstack): Replace RTL with MD in comment.
14834         (set_rtx_ptr_loc): Rename to...
14835         (set_md_ptr_loc): ...this.
14836         (get_rtx_ptr_loc): Rename to...
14837         (get_md_ptr_loc): ...this.
14838         * genconditions.c: Update references after renaming.
14839         * genemit.c: Likewise.
14840         * genoutput.c: Likewise.
14841         * genpreds.c: Likewise.
14842         * gensupport.c: Likewise.
14843         * read-rtl.c: Likewise.
14844
14845 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
14846
14847         * Makefile.in (READ_MD_H): New variable.
14848         (BUILD_RTL): Add build/read-md.o.
14849         (lto-wrapper.o): Depend on coretypes.h instead of defaults.h.
14850         (build/gensupport.o, build/read-rtl.o, build/genattr.o)
14851         (build/genattrtab.o, build/genconditions.o build/genemit.o)
14852         (build/genextract.o, build/genflags.o, build/genoutput.o)
14853         (build/genpreds.o, build/genrecog.o): Depend on $(READ_MD_H).
14854         (build/read-md.o): New rule.
14855         * defaults.h (obstack_chunk_alloc, obstack_chunk_free)
14856         (OBSTACK_CHUNK_SIZE, gcc_obstack_init): Move to...
14857         * coretypes.h: ...here.
14858         * lto-wrapper.c: Include coretypes.h instead of defaults.h.
14859         * pretty-print.c (obstack_chunk_alloc, obstack_chunk_free): Delete.
14860         * genattr.c: Include read-md.h.
14861         * genattrtab.c: Likewise.
14862         * genconditions.c: Likewise.
14863         * genemit.c: Likewise.
14864         * genextract.c: Likewise.
14865         * genflags.c: Likewise.
14866         * genoutput.c: Likewise.
14867         * genpreds.c: Likewise.
14868         * genrecog.c: Likewise.
14869         * rtl.h (read_skip_spaces, copy_rtx_ptr_loc, print_rtx_ptr_loc)
14870         (join_c_conditions, print_c_condition, read_rtx_filename)
14871         (read_rtx_lineno): Move to read-md.h.
14872         * read-rtl.c: Include read-md.h.
14873         (ptr_loc, string_obstack, ptr_locs, ptr_loc_obstack)
14874         (joined_conditions, joined_conditions_obstack, read_rtx_lineno)
14875         (read_rtx_filename, fatal_with_file_and_line, fatal_expected_char)
14876         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc, get_rtx_ptr_loc)
14877         (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
14878         (print_c_condition, read_skip_spaces, read_escape, read_quoted_string)
14879         (read_braced_string, read_string): Move to read-md.c.
14880         (read_rtx): Move some initialization to init_md_reader and call
14881         init_md_reader here.
14882         * gensupport.h (message_with_line, n_comma_elts, scan_comma_elt):
14883         Move to read-md.h.
14884         * gensupport.c: Include read-md.h.
14885         (message_with_line, n_comma_elts, scan_comma_elt): Move to read-md.c.
14886         * read-md.h, read-md.c: New files.
14887
14888 2010-06-10  Anatoly Sokolov  <aesok@post.ru>
14889
14890         * config/moxie/moxie.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
14891         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
14892         * config/moxie/moxie-protos.h (moxie_function_value): Remove.
14893         * config/moxie/moxie.c (moxie_function_value): Make static.
14894         (moxie_libcall_value, moxie_function_value_regno_p): New functions.
14895         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
14896
14897 2010-06-10  Martin Jambor  <mjambor@suse.cz>
14898
14899         * Makefile.in (tree-sra.o): Add DBGCNT_H to dependencies.
14900         * dbgcnt.def (tree_sra): New counter.
14901         * tree-sra.c: Include dbgcnt.h.
14902         (gate_intra_sra): Check tree_sra debug counter.
14903
14904 2010-06-10  Martin Jambor  <mjambor@suse.cz>
14905
14906         PR tree-optimization/44258
14907         * tree-sra.c (build_access_subtree): Return false iff there is a
14908         partial overlap.
14909         (build_access_trees): Likewise.
14910         (analyze_all_variable_accesses): Disqualify candidates if
14911         build_access_trees returns true for them.
14912
14913 2010-06-10  Alexandre Oliva  <aoliva@redhat.com>
14914
14915         PR debug/41371
14916         * var-tracking.c (find_loc_in_1pdv): Remove recursion, only
14917         tail-recurse into canonical node.  Fast-forward over
14918         non-canonical VALUEs.
14919
14920 2010-06-10  H.J. Lu  <hongjiu.lu@intel.com>
14921
14922         PR boostrap/44470
14923         * config/i386/i386.md (*add<mode>_1): Revert revision 160394.
14924         (*addsi_1_zext) <TYPE_LEA>: Likewise.
14925         (add lea splitter): Likewise.
14926         (add_zext lea splitter): Likewise.
14927
14928 2010-06-10  Joseph Myers  <joseph@codesourcery.com>
14929
14930         * common.opt (fshow-column): Don't mark as C ObjC C++ ObjC++.
14931
14932 2010-06-10  Jan Hubicka  <jh@suse.cz>
14933
14934         * df-problems.c (df_live_problem_data): Add live_bitmaps.
14935         (df_live_alloc): Initialize problem data and live_osbtacks.
14936         (df_live_finalize): Remove obstack, problem data; do not
14937         clear all bitmaps.
14938         (df_live_top_dump, df_live_bottom_dump): Do not dump old
14939         data when not allocated.
14940         (df_live_verify_solution_start): Do not allocate problem data.
14941         (df_live_verify_solution_end): Check if out is allocated.
14942         (struct df_md_problem_data): New structure.
14943         (df_md_alloc): Allocate problem data.
14944         (df_md_free): Free problem data; do not clear bitmaps.
14945
14946 2010-06-10  Jan Beulich  <jbeulich@novell.com>
14947
14948         PR bootstrap/37304
14949         * configure.ac: Replace $() with ${} when intending to expand
14950         variables rather than invoking commands.
14951         * configure: Re-generate.
14952
14953 2010-06-10  Jan Hubicka  <jh@suse.cz>
14954
14955         PR rtl-optimization/44460
14956         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
14957         TYPE_NEEDS_CONSTRUCTING sanity check.
14958
14959 2010-06-10  Gerald Pfeifer  <gerald@pfeifer.com>
14960
14961         * doc/include/fdl.texi: Move to GFDL version 1.3.
14962
14963         * doc/cpp.texi: Move to GFDL version 1.3.
14964         * doc/gcc.texi: Move to GFDL version 1.3.  Fix copyright years.
14965         * doc/gccint.texi: Move to GFDL version 1.3.
14966         * doc/gcov.texi: Move to GFDL version 1.3.  Update copyright years.
14967         * doc/install.texi: Move to GFDL version 1.3.  Fix copyright years.
14968         * doc/invoke.texi: Move to GFDL version 1.3.
14969
14970 2010-06-09  Jan Hubicka  <jh@suse.cz>
14971
14972         * ipa-pure-const.c (propagate_pure_const, propagate_noreturn):
14973         Break out from ...
14974         (propagate) ... here; swap the order.
14975
14976 2010-06-09  Jan Hubicka  <jh@suse.cz>
14977
14978         * bitmap.c (bitmap_elt_insert_after, bitmap_first_set_bit,
14979         bitmap_first_set_bit, bitmap_last_set_bit, bitmap_last_set_bit,
14980         bitmap_and_into, bitmap_and_compl_into, bitmap_set_range,
14981         bitmap_compl_and_into, bitmap_elt_ior): Use checking asserts.
14982
14983 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
14984
14985         * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
14986         Do not the gather memory reference in the outer loop if the step
14987         is not a constant.
14988
14989 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
14990
14991         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO) :
14992         Change the PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO threshold value from
14993         8 to 4.  Minor change of the related comments.
14994
14995 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
14996
14997         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
14998         the scev analysis when the variable is not used outside the loop
14999         in a close phi node: call compute_overall_effect_of_inner_loop.
15000
15001 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
15002
15003         * graphite-sese-to-poly.c (single_pred_cond): Renamed
15004         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
15005         (build_sese_conditions_before): Renamed call to single_pred_cond.
15006         (build_sese_conditions_after): Same.
15007
15008 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
15009
15010         * graphite-poly.h: Fix comments and indentation.
15011         * graphite-sese-to-poly.c: Same.
15012         (build_sese_conditions_before): Compute stmt and gbb only when needed.
15013         * tree-chrec.c: Fix comments and indentation.
15014         (tree-ssa-loop-niter.c): Same.
15015
15016 2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>
15017
15018         PR rtl-optimization/42461
15019         * dce.c (deletable_insn_p): Return true for const or pure calls again.
15020         * except.c (insn_could_throw_p): Return false if !flag_exceptions.
15021
15022 2010-06-09  Jan Hubicka  <jh@suse.cz>
15023
15024         * bitmap.c (bitmap_and): Walk array forward.
15025         (bitmap_and_compl_into): Likewise.
15026         (bitmap_xor): Likewise.
15027         (bitmap_xor_into):  Likewise.
15028         (bitmap_equal_p): Likewise.
15029         (bitmap_intersect_p): Likewise.
15030         (bitmap_intersect_compl_p): Likewise.
15031         (bitmap_ior_and_into): Likewise.
15032         (bitmap_elt_copy): Likewise.
15033         (bitmap_and_compl): Likewise.
15034         (bitmap_elt_ior): Likewise.
15035
15036 2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>
15037
15038         * opts-common.c (prune_options): Ensure replacement argv array
15039         is correctly terminated by a NULL entry.
15040
15041 2010-06-09  Jan Hubicka  <jh@suse.cz>
15042
15043         * cgraph.h (varpool_first_static_initializer,
15044         varpool_next_static_initializer): Make checking only when
15045         checking enabled.
15046         * tree-vectorizer.h (vinfo_for_stmt): Remove check.
15047         (set_vinfo_for_stmt, get_earlier_stmt, is_loop_header_bb_p): Change
15048         gcc_assert to gcc_checking_assert.
15049         * tree-flow-inline.h (gimple_vop, get_var_ann, relink_imm_use,
15050         phi_nodes, set_phi_nodes, phi_arg_index_from_use, op_iter_next_use,
15051         op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_init_use,
15052         op_iter_init_phiuse, op_iter_init_phidef,
15053         array_ref_contains_indirect_ref, ref_contains_array_ref): Use
15054         gcc_checking_assert.
15055         * emit-rtl.h (set_first_insn, set_last_insn): Likewise.
15056         * tree-ssa-live.h (var_to_partition, var_to_partition_to_var,
15057         partition_is_global, live_on_entry, live_on_exit,
15058         live_merge_and_clear): Likewise.
15059         * system.h (gcc_checking_assert): New macro.
15060         * gimple.h (set_bb_seq): Use gcc_checking_assert.
15061
15062 2010-06-09  Jason Merrill  <jason@redhat.com>
15063
15064         * Makefile.in (TAGS): Collect tags info from c-family.
15065
15066 2010-06-09  Jan Hubicka  <jh@suse.cz>
15067
15068         * gimple.h (gcc_gimple_checking_assert): New macro.
15069         (gimple_set_def_ops, gimple_set_use_ops,
15070         gimple_set_vuse, gimple_set_vdef,
15071         gimple_omp_subcode, gimple_omp_set_subcode, gimple_ops, gimple_op,
15072         gimple_op_ptr, gimple_op_ptr, gimple_set_op, gimple_bind_set_block,
15073         gimple_asm_input_op, gimple_asm_input_op_ptr, gimple_asm_set_input_op,
15074         gimple_asm_output_op, gimple_asm_output_op_ptr,
15075         gimple_asm_set_output_op, gimple_asm_clobber_op,
15076         gimple_asm_set_clobber_op, gimple_asm_label_op,
15077         gimple_asm_set_label_op, gimple_try_set_kind,
15078         gimple_try_catch_is_cleanup, gimple_try_set_catch_is_cleanup,
15079         gimple_phi_arg, gimple_switch_num_labels, gimple_switch_set_index,
15080         gimple_switch_label, gimple_switch_set_label, gimple_omp_for_index,
15081         gimple_omp_for_index_ptr, gimple_omp_for_set_index,
15082         gimple_omp_for_initial, gimple_omp_for_initial_ptr,
15083         gimple_omp_for_set_initial, gimple_omp_for_final,
15084         gimple_omp_for_final_ptr, gimple_omp_for_set_final,
15085         gimple_omp_for_incr, gimple_omp_for_incr_ptr, gimple_omp_for_set_incr,
15086         gimple_omp_for_set_cond, gimple_omp_for_cond): Make checking
15087         conditional with ENABLE_GIMPLE_CHECKING.
15088         (gimple_phi_set_arg): Likewise; replace memcpy by assignment.
15089
15090 2010-06-09  Sandra Loosemore  <sandra@codesourcery.com>
15091
15092         * tree-ssa-loop-ivopts.c (adjust_setup_cost): New function.
15093         (get_computation_cost_at): Use it.
15094         (determine_use_iv_cost_condition): Likewise.
15095         (determine_iv_cost): Likewise.
15096
15097 2010-06-09  Richard Guenther  <rguenther@suse.de>
15098
15099         * tree-ssa-loop-niter.c (simplify_replace_tree): Do not
15100         replace constants.
15101
15102 2010-06-09  Kai Tietz  <kai.tietz@onevision.com>
15103
15104         * c-objc-common.c (c_tree_printer): Pre-intialize t by NULL_TREE.
15105
15106 2010-06-09  Martin Jambor  <mjambor@suse.cz>
15107
15108         PR tree-optimization/44423
15109         * tree-sra.c (dump_access): Dump also grp_assignment_read.
15110         (analyze_access_subtree): Pass negative allow_replacements to children
15111         if the current type is scalar.
15112
15113 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
15114
15115         PR testsuite/42843
15116         * gcc-plugin.h (int plugin_is_GPL_compatible): Declare as extern "C".
15117         * doc/plugins.texi (Plugin license check): Update information
15118         on type of plugin_is_GPL_compatible.
15119         * Makefile.in (PLUGINCC): Define as $(COMPILER).
15120         (PLUGINCFLAGS): Define as $(COMPILER_FLAGS).
15121
15122 2010-06-09  Bernd Schmidt  <bernds@codesourcery.com>
15123
15124         * config/arm/arm.c (thumb2_reorg): New function.
15125         (arm_reorg): Call it.
15126         * config/arm/thumb2.md (define_peephole2 for flag clobbering
15127         arithmetic operations): Delete.
15128
15129 2010-06-09  Edmar Wienskoski  <edmar@freescale.com>
15130
15131         PR target/44067
15132         * config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
15133         e500v2 target.
15134
15135 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
15136
15137         PR plugins/44459
15138         * gcc-plugin.h: Encapsulate all declarations in extern "C".
15139
15140 2010-06-08  Jan Hubicka  <jh@suse.cz>
15141
15142         * basic-block.h (single_succ_edge, single_pred_edge, ei_container,
15143         ei_next, ei_prev): Do sanity checking with ENABLE_CHECKING only.
15144
15145 2010-06-08  Sandra Loosemore  <sandra@codesourcery.com>
15146
15147         PR tree-optimization/39874
15148         PR middle-end/28685
15149         * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
15150         Declare.
15151         * gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
15152         same_bool_result_p): New.
15153         (and_var_with_comparison, and_var_with_comparison_1,
15154         and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
15155         (or_var_with_comparison, or_var_with_comparison_1,
15156         or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
15157         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
15158         maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
15159         of combine_comparisons.
15160         * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.
15161
15162 2010-06-08  Anatoly Sokolov  <aesok@post.ru>
15163
15164         * config/pdp11/pdp11.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
15165         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
15166         * config/pdp11/pdp11.c (pdp11_function_value, pdp11_libcall_value,
15167         pdp11_function_value_regno_p): New functions.
15168         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
15169         TARGET_FUNCTION_VALUE_REGNO_P): Define.
15170
15171 2010-06-08  Kazu Hirata  <kazu@codesourcery.com>
15172
15173         * config/arm/arm.c (arm_rtx_costs_1): Don't special case for
15174         Thumb-2 in the MINUS case.
15175
15176 2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
15177
15178         * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc.
15179
15180         * doc/gty.texi (GTY Options): Document typed GC allocation and
15181         variable_size GTY option.
15182
15183         * ggc-internal.h: New.
15184
15185         * ggc.h: Update copyright year.
15186         (digit_string): Move to stringpool.c.
15187         (ggc_mark_stringpool, ggc_purge_stringpool, ggc_mark_roots)
15188         (gt_pch_save_stringpool, gt_pch_fixup_stringpool)
15189         (gt_pach_restore_stringpool, gt_pch_p_S, gt_pch_note_object)
15190         (init_ggc_pch, ggc_pch_count_object, ggc_pch_total_size)
15191         (ggc_pch_this_base, ggc_pch_alloc_object, ggc_pch_prepare_write)
15192         (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read)
15193         (ggc_force_collect, ggc_get_size, ggc_statistics)
15194         (ggc_print_common_statistics): Move to ggc-internal.h.
15195         (digit_vector, new_ggc_zone, destroy_ggc_zone, ggc_alloc_stat)
15196         (ggc_alloc, ggc_alloc_cleared, ggc_realloc, ggc_calloc, GGC_NEW)
15197         (GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR, ggc_alloc_rtvec)
15198         (ggc_alloc_tree, gt_pch_save, ggc_min_expand_heuristic)
15199         (ggc_min_heapsize_heuristic, ggc_alloc_zone)
15200         (ggc_alloc_zone_pass_stat): Remove.
15201         (ggc_internal_alloc_stat, ggc_internal_alloc)
15202         (ggc_internal_cleared_alloc_stat): New.
15203         (GGC_RESIZEVEC, GGC_RESIZEVAR): Redefine.
15204         (ggc_internal_vec_alloc_stat)
15205         (ggc_internal_cleared_vec_alloc_stat)
15206         (ggc_internal_vec_alloc_stat, ggc_internal_cleared_vec_alloc)
15207         (ggc_alloc_atomic_stat, ggc_alloc_atomic)
15208         (ggc_alloc_cleared_atomic, ggc_cleared_alloc_htab_ignore_args)
15209         (ggc_cleared_alloc_ptr_array_two_args): New.
15210         (htab_create_ggc, splay_tree_new_ggc): Redefine.
15211         (ggc_splay_alloc): Change the type of the first argument to
15212         enum gt_types_enum.
15213         (ggc_alloc_string): Make macro.
15214         (ggc_alloc_string_stat): New.
15215         (ggc_strdup): Redefine.
15216         (rtl_zone, tree_zone, tree_id_zone): Declare unconditionally.
15217         (ggc_alloc_rtvec_sized): New.
15218         (ggc_alloc_zone_stat): Rename to ggc_internal_alloc_zone_stat.
15219         (ggc_internal_alloc_zone_pass_stat, ggc_internal_alloc_zone_stat)
15220         (ggc_internal_cleared_alloc_zone_stat)
15221         (ggc_internal_zone_alloc_stat)
15222         (ggc_internal_zone_cleared_alloc_stat)
15223         (ggc_internal_zone_vec_alloc_stat)
15224         (ggc_alloc_zone_rtx_def_stat)
15225         (ggc_alloc_zone_tree_node_stat)
15226         (ggc_alloc_zone_cleared_tree_node_stat)
15227         (ggc_alloc_cleared_gimple_statement_d_stat): New.
15228
15229         * ggc-common.c: Include ggc-internal.h.
15230         (ggc_internal_cleared_alloc_stat): Rename from
15231         ggc_alloc_cleared_stat.
15232         (ggc_realloc_stat): Use ggc_internal_alloc_stat.
15233         (ggc_calloc): Remove.
15234         (ggc_cleared_alloc_htab_ignore_args): New.
15235         (ggc_cleared_alloc_ptr_array_two_args): New.
15236         (ggc_splay_alloc): Add obj_type parameter.
15237         (init_ggc_heuristics): Formatting fixes.
15238
15239         * ggc-none.c: Update copyright year.
15240         (ggc_alloc_stat): Rename to ggc_alloc_stat.
15241         (ggc_alloc_cleared_stat): Rename to
15242         ggc_internal_cleared_alloc_stat.
15243         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
15244
15245         * ggc-page.c: Update copyright year.  Include ggc-internal.h.
15246         Remove references to ggc_alloc in comments.
15247         (ggc_alloc_typed_stat): Call ggc_internal_alloc_stat.
15248         (ggc_alloc_stat): Rename to ggc_internal_alloc_stat.
15249         (new_ggc_zone, destroy_ggc_zone): Remove.
15250         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
15251
15252         * ggc-zone.c: Include ggc-internal.h.  Remove references to
15253         ggc_alloc in comments.
15254         (ggc_alloc_zone_stat): ggc_internal_alloc_zone_stat.
15255         (ggc_internal_alloc_zone_pass_stat): New.
15256         (ggc_internal_cleared_alloc_zone_stat): New.
15257         (ggc_alloc_typed_stat): Use ggc_internal_alloc_zone_pass_stat.
15258         (ggc_alloc_stat): Rename ggc_internal_alloc_stat.
15259         (new_ggc_zone, destroy_ggc_zone): Remove.
15260
15261         * stringpool.c: Update copyright year.  Include ggc-internal.h
15262         (digit_vector): Make static.
15263         (digit_string): Moved from ggc.h.
15264         (stringpool_ggc_alloc): Use ggc_alloc_atomic.
15265         (ggc_alloc_string): Rename to ggc_alloc_string_stat.
15266
15267         * Makefile.in (GGC_INTERNAL_H): New.
15268         (ggc_common.o, ggc-page.o, ggc-zone.o, stringpool.o): Add
15269         $(GGC_INTERNAL_H) to dependencies.
15270
15271         * gentype.c: Update copyright year.
15272         (walk_type): Accept variable_size GTY option.
15273         (USED_BY_TYPED_GC_P): New macro.
15274         (write_enum_defn): Use USED_BY_TYPED_GC_P.  Do not output
15275         whitespace at the end of strings.
15276         (get_type_specifier, variable_size_p): New functions.
15277         (alloc_quantity, alloc_zone): New enums.
15278         (write_typed_alloc_def): New function.
15279         (write_typed_struct_alloc_def): Likewise.
15280         (write_typed_typed_typedef_alloc_def): Likewise.
15281         (write_typed_alloc_defns): Likewise.
15282         (output_typename, write_splay_tree_allocator_def): Likewise.
15283         (write_splay_tree_allocators): Likewise.
15284         (main): Call write_typed_alloc_defns and
15285         write_splay_tree_allocators.
15286
15287         * lto-streamer.h (lto_file_decl_data_ptr): New.
15288
15289         * passes.c (order): Define using cgraph_node_ptr.
15290
15291         * strinpool.c (struct string_pool_data): Declare nested_ptr using
15292         ht_identifier_ptr.
15293
15294         * gimple.h (union gimple_statement_d): Likewise.
15295
15296         * rtl.h (struct rtx_def): Likewise.
15297         (struct rtvec_def): Likewise.
15298
15299         * tree.h (union tree_node): Likewise.
15300
15301         * tree-ssa-operands.h (struct ssa_operand_memory_d): Likewise.
15302
15303         * cfgloop.c (record_loop_exits): Use htab_create_ggc.
15304
15305         * tree-scalar-evolution.c (scev_initialize): Likewise.
15306
15307         * alias.c (record_alias_subset): Update splay_tree_new_ggc call.
15308
15309         * dwarf2asm.c (dw2_force_const_mem): Likewise.
15310
15311         * omp-low.c (lower_omp_critical): Likewise.
15312
15313         * bitmap.h (struct bitmap_head_def): Update comment to not
15314         reference ggc_alloc.
15315
15316         * config/pa/pa.c (get_deferred_label): Use GGC_RESIZEVEC.
15317
15318         * ira.c (fix_reg_equiv_init): Use GGC_RESIZEVEC.
15319
15320         * ipa-prop.c (duplicate_ggc_array): Rename to
15321         duplicate_ipa_jump_func_array.  Use typed GC allocation.
15322         (ipa_edge_duplication_hook): Call duplicate_ipa_jump_func_array.
15323
15324         * gimple.c (gimple_alloc_stat): Use
15325         ggc_alloc_cleared_gimple_statement_d_stat.
15326
15327         * varasm.c (create_block_symbol): Use ggc_alloc_zone_rtx_def.
15328
15329         * tree.c (make_node_stat): Use
15330         ggc_alloc_zone_cleared_tree_node_stat.
15331         (make_tree_vec_stat): Likewise.
15332         (build_vl_exp_stat): Likewise.
15333         (copy_node_stat): Use ggc_alloc_zone_tree_node_stat.
15334         (make_tree_binfo_stat): Likewise.
15335         (tree_cons_stat): Likewise.
15336
15337         * rtl.c (rtx_alloc_stat): Use ggc_alloc_zone_rtx_def_stat.
15338         (shallow_copy_rtx_stat): Likewise.
15339         (make_node_stat): Likewise.
15340
15341         * lto-symtab.c: Fix comment.
15342
15343         * tree-cfg.c (create_bb): Update comment to not reference
15344         ggc_alloc_cleared.
15345         * tree-ssa-structalias.c (struct heapvar_for_stmt): Fix param_is value.
15346
15347         * varpool.c (varpool_node): Use typed GC allocation.
15348         (varpool_extra_name_alias): Likewise.
15349
15350         * varasm.c (emutls_decl): Likewise.
15351         (get_unnamed_section): Likewise.
15352         (get_noswitch_section): Likewise.
15353         (get_section): Likewise.
15354         (get_block_for_section): Likewise.
15355         (build_constant_desc): Likewise.
15356         (create_constant_pool): Likewise.
15357         (force_const_mem): Likewise.
15358
15359         * tree.c (build_vl_exp_stat): Likewise.
15360         (build_real): Likewise.
15361         (build_string): Likewise.
15362         (decl_debug_expr_insert): Likewise.
15363         (decl_value_expr_insert): Likewise.
15364         (type_hash_add): Likewise.
15365         (build_omp_clause): Likewise.
15366
15367         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Likewise.
15368
15369         * tree-ssa.c (init_tree_ssa): Likewise.
15370
15371         * tree-ssa-structalias.c (heapvar_insert): Likewise.
15372
15373         * tree-ssa-operands.c (ssa_operand_alloc): Likewise.
15374
15375         * tree-ssa-loop-niter.c (record_estimate): Likewise.
15376
15377         * tree-ssa-alias.c (get_ptr_info): Likewise.
15378
15379         * tree-scalar-evolution.c (new_scev_info_str): Likewise.
15380
15381         * tree-phinodes.c (allocate_phi_node): Likewise.
15382
15383         * tree-iterator.c (tsi_link_before): Likewise.
15384         (tsi_link_after): Likewise.
15385
15386         * tree-eh.c (add_stmt_to_eh_lp_fn): Likewise.
15387
15388         * tree-dfa.c (create_var_ann): Likewise.
15389
15390         * tree-cfg.c (create_bb): Likewise.
15391
15392         * toplev.c (alloc_for_identifier_to_locale): Likewise.
15393         (general_init): Likewise.
15394
15395         * stringpool.c (stringpool_ggc_alloc): Likewise.
15396         (gt_pch_save_stringpool): Likewise.
15397
15398         * sese.c (if_region_set_false_region): Likewise.
15399
15400         * passes.c (do_per_function_toporder): Likewise.
15401
15402         * optabs.c (set_optab_libfunc): Likewise.
15403         (set_conv_libfunc): Likewise.
15404
15405         * lto-symtab.c (lto_symtab_register_decl): Likewise.
15406
15407         * lto-streamer-in.c (lto_input_eh_catch_list): Likewise.
15408         (input_eh_region): Likewise.
15409         (input_eh_lp): Likewise.
15410         (make_new_block): Likewise.
15411         (unpack_ts_real_cst_value_fields): Likewise.
15412
15413         * lto-section-in.c (lto_new_in_decl_state): Likewise.
15414
15415         * lto-cgraph.c (input_node_opt_summary): Likewise.
15416
15417         * loop-init.c (loop_optimizer_init): Likewise.
15418
15419         * lambda.h (lambda_vector_new): Likewise.
15420
15421         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
15422
15423         * ira.c (update_equiv_regs): Likewise.
15424
15425         * ipa.c (cgraph_node_set_new): Likewise.
15426         (cgraph_node_set_add): Likewise.
15427         (varpool_node_set_new): Likewise.
15428         (varpool_node_set_add): Likewise.
15429
15430         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
15431         (duplicate_ipa_jump_func_array): Likewise.
15432         (ipa_read_node_info): Likewise.
15433
15434         * ipa-cp.c (ipcp_create_replace_map): Likewise.
15435
15436         * integrate.c (get_hard_reg_initial_val): Likewise.
15437
15438         * gimple.c (gimple_alloc_stat): Likewise.
15439         (gimple_build_omp_for): Likewise.
15440         (gimple_seq_alloc): Likewise.
15441         (gimple_copy): Likewise.
15442
15443         * gimple-iterator.c (gsi_insert_before_without_update): Likewise.
15444         (gsi_insert_after_without_update): Likewise.
15445
15446         * function.c (add_frame_space): Likewise.
15447         (insert_temp_slot_address): Likewise.
15448         (assign_stack_temp_for_type): Likewise.
15449         (allocate_struct_function): Likewise.
15450         (types_used_by_var_decl_insert): Likewise.
15451
15452         * except.c (init_eh_for_function): Likewise.
15453         (gen_eh_region): Likewise.
15454         (gen_eh_region_catch): Likewise.
15455         (gen_eh_landing_pad): Likewise.
15456         (add_call_site): Likewise.
15457
15458         * emit-rtl.c (get_mem_attrs): Likewise.
15459         (get_reg_attrs): Likewise.
15460         (start_sequence): Likewise.
15461         (init_emit): Likewise.
15462
15463         * dwarf2out.c (new_cfi): Likewise.
15464         (queue_reg_save): Likewise.
15465         (dwarf2out_frame_init): Likewise.
15466         (new_loc_descr): Likewise.
15467         (find_AT_string): Likewise.
15468         (new_die): Likewise.
15469         (add_var_loc_to_decl): Likewise.
15470         (clone_die): Likewise.
15471         (clone_as_declaration): Likewise.
15472         (break_out_comdat_types): Likewise.
15473         (new_loc_list): Likewise.
15474         (loc_descriptor): Likewise.
15475         (add_loc_descr_to_each): Likewise.
15476         (add_const_value_attribute): Likewise.
15477         (tree_add_const_value_attribute): Likewise.
15478         (add_comp_dir_attribute): Likewise.
15479         (add_name_and_src_coords_attributes): Likewise.
15480         (lookup_filename): Likewise.
15481         (store_vcall_insn): Likewise.
15482         (dwarf2out_init): Likewise.
15483
15484         * dbxout.c (dbxout_init): Likewise.
15485
15486         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
15487
15488         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
15489
15490         * config/score/score7.c (score7_output_external): Likewise.
15491
15492         * config/score/score3.c (score3_output_external): Likewise.
15493
15494         * config/s390/s390.c (s390_init_machine_status): Likewise.
15495
15496         * config/rs6000/rs6000.c (builtin_function_type): Likewise.
15497         (rs6000_init_machine_status): Likewise.
15498         (output_toc): Likewise.
15499
15500         * config/pa/pa.c (pa_init_machine_status): Likewise.
15501         (get_deferred_plabel): Likewise.
15502
15503         * config/moxie/moxie.c (moxie_init_machine_status): Likewise.
15504
15505         * config/mmix/mmix.c (mmix_init_machine_status): Likewise.
15506
15507         * config/mips/mips.c (mflip_mips16_use_mips16_p): Likewise.
15508
15509         * config/mep/mep.c (mep_init_machine_status): Likewise.
15510         (mep_note_pragma_flag): Likewise.
15511
15512         * config/m32c/m32c.c (m32c_init_machine_status): Likewise.
15513
15514         * config/iq2000/iq2000.c (iq2000_init_machine_status): Likewise.
15515
15516         * config/ia64/ia64.c (ia64_init_machine_status): Likewise.
15517
15518         * config/i386/winnt.c (i386_pe_record_external_function): Likewise.
15519         (i386_pe_maybe_record_exported_symbol): Likewise.
15520
15521         * config/i386/i386.c (get_dllimport_decl): Likewise.
15522         (ix86_init_machine_status): Likewise.
15523         (assign_386_stack_local): Likewise.
15524
15525         * config/frv/frv.c (frv_init_machine_status): Likewise.
15526
15527         * config/darwin.c (machopic_indirection_name): Likewise.
15528
15529         * config/cris/cris.c (cris_init_machine_status): Likewise.
15530
15531         * config/bfin/bfin.c (bfin_init_machine_status): Likewise.
15532
15533         * config/avr/avr.c (avr_init_machine_status): Likewise.
15534
15535         * config/arm/arm.c (arm_init_machine_status): Likewise.
15536
15537         * config/alpha/alpha.c (alpha_init_machine_status): Likewise.
15538         (alpha_need_linkage): Likewise.
15539         (alpha_use_linkage): Likewise.
15540
15541         * cgraph.c (cgraph_allocate_node): Likewise.
15542         (cgraph_create_edge_1): Likewise.
15543         (cgraph_create_indirect_edge): Likewise.
15544         (cgraph_add_asm_node): Likewise.
15545
15546         * cfgrtl.c (init_rtl_bb_info): Likewise.
15547
15548         * cfgloop.c (alloc_loop): Likewise.
15549         (rescan_loop_exit): Likewise.
15550
15551         * cfg.c (init_flow): Likewise.
15552         (alloc_block): Likewise.
15553         (unchecked_make_edge): Likewise.
15554
15555         * c-parser.c (c_parse_init): Likewise.
15556         (c_parse_file): Likewise.
15557
15558         * c-decl.c (bind): Likewise.
15559         (record_inline_static): Likewise.
15560         (push_scope): Likewise.
15561         (make_label): Likewise.
15562         (lookup_label_for_goto): Likewise.
15563         (finish_struct): Likewise.
15564         (finish_enum): Likewise.
15565         (c_push_function_context): Likewise.
15566
15567         * bitmap.c (bitmap_element_allocate): Likewise.
15568         (bitmap_gc_alloc_stat): Likewise.
15569
15570         * alias.c (record_alias_subset): Likewise.
15571         (init_alias_analysis): Likewise.
15572
15573 2010-06-08  Shujing Zhao  <pearly.zhao@oracle.com>
15574
15575         * fold-const.c (fold_comparison): Remove redundant parenthesis.
15576         * tree-inline.c (expand_call_inline): Pass translated return value of
15577         cgraph_inline_failed_string to diagnostic function.
15578
15579 2010-06-08  Andrew Pinski  <pinskia@gmail.com>
15580             Shujing Zhao  <pearly.zhao@oracle.com>
15581
15582         PR c/37724
15583         * c-typeck.c (convert_for_assignment): Call pedwarn_init if the
15584         implicit bad conversions is initialization.
15585         (error_init): Use gmsgid instead of msgid for argument name and change
15586         the call for error.
15587         (pedwarn_init): Use gmsgid instead of msgid for argument name and
15588         change the call for pedwarn.
15589         (warning_init): Use gmsgid instead of msgid for argument name and
15590         change the call for warning.
15591
15592 2010-06-07  Nathan Froyd  <froydnj@codesourcery.com>
15593
15594         * config/mips/mips-protos.h (mips_print_operand): Delete.
15595         (mips_print_operand_address): Delete.
15596         * config/mips/mips.h (mips_print_operand_punct): Delete.
15597         (PRINT_OPERAND): Delete.
15598         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
15599         (PRINT_OPERAND_ADDRESS): Delete.
15600         * config/mips/mips.c (mips_print_operand_punct): Make static.
15601         (mips_print_operand_address): Make static.
15602         (mips_print_operand): Make static.  Call
15603         mips_print_operand_punct_valid_p.
15604         (mips_print_operand_punct_valid_p): New function.
15605         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
15606         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
15607
15608 2010-06-07  Jan Hubicka  <jh@suse.cz>
15609
15610         PR middle-end/44454
15611         (df_lr_top_dump, df_lr_bottom_dump): Check that in/out bitmaps
15612         are allocated.
15613
15614 2010-06-07  Kaz Kojima  <kkojima@gcc.gnu.org>
15615
15616         * config/sh/sh.c (sh_build_builtin_va_list): Set tree type
15617         name of RECORD.
15618
15619 2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15620
15621         * doc/sourcebuild.texi (Effective-Target Keywords, Other
15622         attributes): Document gas.
15623
15624 2010-06-07  Uros Bizjak  <ubizjak@gmail.com>
15625
15626         * config/i386/i386.md (*add<mode>_1): Remove alternative 2.
15627         <TYPE_LEA>: Split instruction.
15628         <default>: Remove alternative 2 handling.
15629         (*addsi_1_zext) <TYPE_LEA>: Split instruction.
15630         (add lea splitter): Generate SImode lea for mode sizes <= SImode.
15631         (add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.
15632
15633         (*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
15634         (ashift_zext lea splitter): Use DImode for multiplication.
15635
15636         * config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
15637         to generate addition.
15638
15639 2010-06-07  Joseph Myers  <joseph@codesourcery.com>
15640
15641         * common.opt (fira-verbose): Use Var.
15642         (fpcc-struct-return): Use Init instead of VarExists.
15643         * defaults.h (DEFAULT_PCC_STRUCT_RETURN): Move definition from
15644         toplev.c.
15645         * flags.h (flag_signed_char, flag_short_enums,
15646         flag_pcc_struct_return, flag_ira_verbose,
15647         flag_detailed_statistics, flag_remove_unreachable_functions): Remove.
15648         * toplev.c (flag_detailed_statistics, flag_signed_char,
15649         flag_short_enums, flag_pcc_struct_return, flag_ira_verbose): Remove.
15650         (DEFAULT_PCC_STRUCT_RETURN): Move definition to defaults.h.
15651         * toplev.h (flag_crossjumping, flag_if_conversion,
15652         flag_if_conversion2, flag_keep_static_consts, flag_peel_loops,
15653         flag_rerun_cse_after_loop, flag_thread_jumps, flag_tracer,
15654         flag_unroll_loops, flag_unroll_all_loops, flag_unswitch_loops,
15655         flag_cprop_registers, time_report, flag_ira_loop_pressure,
15656         flag_ira_coalesce, flag_ira_move_spills,
15657         flag_ira_share_save_slots, flag_ira_share_spill_slots): Remove.
15658
15659 2010-06-07  Jan Hubicka  <jh@suse.cz>
15660
15661         * df-core.c (df_analyze_problem): Do verification after allocation.
15662
15663         * df-problems.c (df_lr_problem_data): Add lr_bitmaps.
15664         (df_lr_alloc): Initialize problem data; move bitmaps to
15665         lr_bitmaps obstack.
15666         (df_lr_finalize): Free problem data; do not bother to free bitmaps.
15667         (df_lr_verify_solution_start): Do not initialize problem data;
15668         allocate bitmaps in lr_bitmaps.
15669         (df_lr_verify_solution_end): Do not free problem data.
15670
15671 2010-06-07  Jan Hubicka  <jh@suse.cz>
15672
15673         * cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
15674         if caller is noreturn.
15675         * ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
15676         * ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
15677         * ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
15678         * ipa-pure-const.c (check_decl): Add IPA parameter.
15679         (state_from_flags): New function.
15680         (better_state, worse_state): New functions.
15681         (check_call): When in IPA mode, do not care about callees.
15682         (check_load, check_store): Update.
15683         (check_ipa_load, check_ipa_store): New.
15684         (check_stmt): When in IPA mode, use IPA checkers.
15685         (analyze_function): Use state_from_flags.
15686         (propagate): Check indirect edges and references.
15687
15688 2010-06-07  Kazu Hirata  <kazu@codesourcery.com>
15689
15690         PR rtl-optimization/44404
15691         * auto-inc-dec.c (find_inc): Use reg_overlap_mentioned_p instead
15692         of count_occurrences to see if it's safe to modify mem_insn.
15693
15694 2010-06-07  Richard Guenther  <rguenther@suse.de>
15695
15696         * gimplify.c (gimplify_cleanup_point_expr): For empty body
15697         and EH-only cleanup drop the cleanup instead of inserting it
15698         unconditionally.
15699
15700 2010-06-07  Ira Rosen  <irar@il.ibm.com>
15701
15702         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Update
15703         documentation.
15704         * targhooks.c (default_builtin_vectorization_cost): New function.
15705         * targhooks.h (default_builtin_vectorization_cost): Declare.
15706         * target.h (enum vect_cost_for_stmt): Define.
15707         (builtin_vectorization_cost): Change argument and comment.
15708         * tree-vectorizer.h: Remove cost model macros.
15709         * tree-vect-loop.c: Include target.h.
15710         (vect_get_cost): New function.
15711         (vect_estimate_min_profitable_iters): Replace cost model macros with
15712         calls to vect_get_cost.
15713         (vect_model_reduction_cost, vect_model_induction_cost): Likewise.
15714         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Add
15715         default implementation.
15716         * tree-vect-stmts.c (cost_for_stmt): Replace cost model macros with
15717         calls to target hook builtin_vectorization_cost.
15718         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
15719         Likewise.
15720         * Makefile.in (tree-vect-loop.o): Add dependency on TARGET_H.
15721         * config/spu/spu.c (spu_builtin_vectorization_cost): Replace with new
15722         implementation to return costs.
15723         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
15724         * config/spu/spu.h: Remove vectorizer cost model macros.
15725         * config/i386/i386.h: Likewise.
15726         * tree-vect-slp.c (vect_build_slp_tree): Replace cost model macro with
15727         a call to target hook builtin_vectorization_cost.
15728
15729 2010-06-06  Sriraman Tallam  <tmsriram@google.com>
15730
15731         PR target/44319
15732         * config/i386/i386.c (override_options): Turn zee pass on for level 2
15733         and above and defer till target is known.
15734         (optimization_options): Turn on zee pass if TARGET_64BIT is set and
15735         turn off otherwise.
15736
15737 2010-05-25  Jan Hubicka  <jh@suse.cz>
15738
15739         * df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
15740         (df_compact_blocks): Likewise.
15741         * df.h (struct df): Turn hardware_regs_used,
15742         regular_block_artificial_uses, eh_block_artificial_uses,
15743         insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
15744         bitmap_head.
15745         * df-problems.c (df_lr_local_compute, df_lr_confluence_0,
15746         df_byte_lr_alloc, df_simulate_fixup_sets): Update.
15747         * df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
15748         df_scan_blocks, df_insn_delete, df_insn_rescan,
15749         df_insn_rescan_debug_internal, df_insn_rescan_all,
15750         df_process_deferred_rescans, df_process_deferred_rescans,
15751         df_notes_rescan, df_get_call_refs, df_get_call_refs,
15752         regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
15753         df_record_entry_block_defs, df_record_exit_block_uses,
15754         df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
15755         df_scan_verify): Update.
15756
15757 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
15758
15759         PR c++/44188
15760         * c-common.c (is_typedef_decl): Move this definition ...
15761         * tree.c (is_typedef_decl): ... here.
15762         (typdef_variant_p): Move definition here from cp/tree.c.
15763         * c-common.h (is_typedef_decl): Move this declaration ...
15764         * tree.h (is_typedef_decl): ... here.
15765         (typedef_variant_p): Move declaration here from cp/cp-tree.h
15766         * dwarf2out.c (is_naming_typedef_decl): New function.
15767         (gen_tagged_type_die): Split out of ...
15768         (gen_type_die_with_usage): ... this function. When an anonymous
15769         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
15770         is emitted for the typedef.
15771         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
15772         anonymous tagged types.
15773
15774 2010-06-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15775
15776         PR c/20000
15777         * c-decl.c (grokdeclarator): Delete warning.
15778
15779 2010-06-06  Eric Botcazou  <ebotcazou@adacore.com>
15780
15781         * stor-layout.c (self_referential_size): Set UNKNOWN_LOCATION on the
15782         newly built CALL_EXPR.
15783         * tree-profile.c (tree_profiling): Don't profile functions produced
15784         for built-in stuff.
15785
15786 2010-06-06  Segher Boessenkool  <segher@kernel.crashing.org>
15787
15788         PR bootstrap/44427
15789         PR bootstrap/44428
15790         * genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
15791         endianness-independent.
15792
15793 2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>
15794
15795         * c-common.c: Move to c-family/.
15796         * c-common.def: Likewise.
15797         * c-common.h: Likewise.
15798         * c-cppbuiltin.c: Likewise.
15799         * c-dump.c: Likewise.
15800         * c-format.c: Likewise.
15801         * c-format.h : Likewise.
15802         * c-gimplify.c: Likewise.
15803         * c-lex.c: Likewise.
15804         * c-omp.c: Likewise.
15805         * c.opt: Likewise.
15806         * c-opts.c: Likewise.
15807         * c-pch.c: Likewise.
15808         * c-ppoutput.c: Likewise.
15809         * c-pragma.c: Likewise.
15810         * c-pragma.h: Likewise.
15811         * c-pretty-print.c: Likewise.
15812         * c-pretty-print.h: Likewise.
15813         * c-semantics.c: Likewise.
15814         * stub-objc.c: Likewise.
15815
15816         * gengtype.c (get_file_langdir): Special-case files in c-family/.
15817         (get_output_file_with_visibility): Fix name for c-common.h.
15818         * c-config-lang.in: Update paths in gtfiles for files in c-family/.
15819
15820         * c-tree.h: Update include path for moved files.
15821         * c-lang.c: Likewise.
15822         * c-lang.h: Likewise.
15823         * c-parser.c: Likewise.
15824         * c-convert.c: Likewise.
15825         * c-decl.c: Likewise.
15826         * c-objc-common.c: Likewise.
15827         * configure.ac: Make sure c-family/ exists in the build directory.
15828         * configure: Regenerate.
15829         * Makefile.in: Update paths for moved files.  Regroup files per
15830         location and update dependencies.  Move generated_files down after
15831         ALL_GTFILES_H.
15832
15833         * config/spu/spu-c.c: Update paths for moved files.
15834         * config/mep/mep-pragma.c: Likewise.
15835         * config/darwin-c.c: Likewise.
15836         * config/i386/msformat-c.c: Likewise.
15837         * config/i386/i386-c.c: Likewise.
15838         * config/avr/avr-c.c: Likewise.
15839         * config/sol2-c.c: Likewise.
15840         * config/ia64/ia64-c.c: Likewise.
15841         * config/rs6000/rs6000-c.c: Likewise.
15842         * config/arm/arm.c: Likewise.
15843         * config/arm/arm-c.c: Likewise.
15844         * config/h8300/h8300.c: Likewise.
15845         * config/v850/v850-c.c: Likewise.
15846
15847         * config/t-darwin: Fix dependencies for moved files.
15848         * config/t-sol2: Fix dependencies for moved files.
15849         * config/mep/t-mep: Fix dependencies for moved files.
15850         * config/ia64/t-ia64: Fix dependencies for moved files.
15851         * config/rs6000/t-rs6000: Fix dependencies for moved files.
15852         * config/v850/t-v850: Fix dependencies for moved files.
15853         * config/v850/t-v850e: Fix dependencies for moved files.
15854
15855         * config/m32c/m32c-pragma.c
15856
15857         * po/exgettext: Look in c-family/ also.
15858
15859 2010-06-05  Eric Botcazou  <ebotcazou@adacore.com>
15860
15861         * tree-ssa-dce.c (mark_last_stmt_necessary): New function.
15862         (mark_control_dependent_edges_necessary): Call it instead of marking
15863         the last statement manually.
15864         (propagate_necessity): Likewise.
15865
15866 2010-06-05  Jan Hubicka  <jh@suse.cz>
15867
15868         * basic-block.h (compute_dominance_frontiers): Updated.
15869         (compute_idf): Likewise.
15870
15871         * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads
15872         for dominance frontiers.
15873         (rewrite_into_ssa): Update for bitmap heads in dominance frontiers.
15874         (insert_updated_phi_nodes_for): Likewise.
15875         (update_ssa): Likewise.
15876         * cfganal.c (compute_dominance_frontiers_1): Likewise.
15877         (compute_dominance_frontiers): Likewise.
15878         (compute_idf): Likewise.
15879         * df-problems.c (df_md_local_compute): Likewise.
15880
15881 2010-06-05  Anatoly Sokolov  <aesok@post.ru>
15882
15883         * target.h (struct gcc_target): Add memory_move_cost field.
15884         * target-def.h (TARGET_MEMORY_MOVE_COST): New.
15885         (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
15886         * targhooks.c (default_memory_move_cost): New function.
15887         * targhooks.h (default_memory_move_cost): Declare function.
15888         * reload.h (memory_move_cost): Declare.
15889         (memory_move_secondary_cost): Change type of 'in' argument to bool.
15890         * reginfo.c (memory_move_cost): New function.
15891         (memory_move_secondary_cost): Change type of 'in' argument to bool.
15892         * ira.h (ira_memory_move_cost): Update comment.
15893         * ira.c (ira_memory_move_cost): Update comment.
15894         (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
15895         with memory_move_cost.
15896         * postreload.c (reload_cse_simplify_set): (Ditto.).
15897         * reload1.c (choose_reload_regs): (Ditto.).
15898         * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
15899         (MEMORY_MOVE_COST):  Revise documentation.
15900
15901         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
15902         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
15903         * config/i386/i386.h (ix86_memory_move_cost): Make static. Change
15904         type of 'in' argument to bool.
15905         (TARGET_MEMORY_MOVE_COST): Define.
15906
15907 2010-06-05  Jan Hubicka  <jh@suse.cz>
15908
15909         * ipa-pure-const.c (propagate): Fix typo in handling of functions
15910         that cannot return.  Be more careful when merging the results with
15911         previously known ones.
15912
15913 2010-06-05  Matthias Klose  <doko@ubuntu.com>
15914
15915         * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
15916         function to add the -iplugindir option.
15917         (find_plugindir_spec_function): Add new declaration and function.
15918         (static_spec_func): Use it for "find-plugindir".
15919
15920 2010-06-05  Jakub Jelinek  <jakub@redhat.com>
15921
15922         PR c++/44361
15923         * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
15924         * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
15925         statement expression.
15926
15927 2010-06-05  Jan Hubicka  <jh@suse.cz>
15928
15929         * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head.
15930         (df_rd_problem_data): Convert sparse_invalidated_by_call,
15931         dense_invalidated_by_call to bitmap head.
15932         (df_rd_alloc, df_rd_bb_local_compute_process_def,
15933         df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function,
15934         df_rd_start_dump, df_lr_verify_transfer_functions,
15935         df_live_verify_transfer_functions, df_chain_create_bb,
15936         df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc,
15937         df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute,
15938         df_simulate_one_insn_forwards, df_md_alloc,
15939         df_md_bb_local_compute_process_def,
15940         df_md_bb_local_compute_process_def, df_md_local_compute,
15941         df_md_transfer_function df_md_free): Update.
15942
15943 2010-06-05  Joseph Myers  <joseph@codesourcery.com>
15944
15945         PR c/44322
15946         * c-typeck.c (build_unary_op): Merge qualifiers into pointer
15947         target type for ADDR_EXPR; require no changes to qualifiers except
15948         for function types.
15949         * c-tree.h (c_build_type_variant): Remove.
15950
15951 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
15952
15953         * genautomata.c (get_excl_set): Do work per element, not per char.
15954         (check_presence_pattern_sets): Similar.
15955         (check_absence_pattern_sets): Similar.
15956
15957 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
15958
15959         * genautomata.c (curr_state_pass_num): Delete.
15960         (min_issue_delay_pass_states): Delete.
15961         (min_issue_delay): Delete.
15962         (initiate_min_issue_delay_pass_states): Delete.
15963         (output_min_issue_delay_table): Compute min_issue_delay_vect
15964         using a breadth-first search variant.
15965         (output_tables): Don't call initiate_min_issue_delay_pass_states.
15966
15967 2010-06-04  H.J. Lu  <hongjiu.lu@intel.com>
15968
15969         PR boostrap/44421
15970         * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps.
15971         (df_byte_lr_bb_local_compute): Likewise.
15972
15973 2010-06-03  Jason Merrill  <jason@redhat.com>
15974
15975         Implement noexcept operator (5.3.7)
15976         * c-common.c (c_common_reswords): Add noexcept.
15977         * c-common.h (enum rid): Add RID_NOEXCEPT.
15978
15979 2010-06-04  Joseph Myers  <joseph@codesourcery.com>
15980
15981         * config/darwin-driver.c (darwin_default_min_version): Use
15982         GCC-specific formats in diagnostics.
15983         * cppspec.c (lang_specific_driver): Use GCC-specific formats in
15984         diagnostics.
15985         * gcc.c (translate_options, read_specs, add_sysrooted_prefix,
15986         execute, process_command, end_going_arg, do_self_spec, do_spec_1,
15987         eval_spec_function, handle_braces, process_brace_body, main,
15988         perror_with_name, used_arg, set_multilib_dir, print_multilib_info,
15989         getenv_spec_function, compare_version_strings,
15990         version_compare_spec_function): Use GCC-specific formats in
15991         diagnostics.
15992
15993 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
15994
15995         * config/i386/i386.md (*addhi_1_lea) <TYPE_INCDEC, default>: Assert
15996         that operand 0 and operand 1 are equal.
15997         (*addqi_1_lea) <TYPE_INCDEC, default>: Ditto.
15998         (*add<mode>_2) <TYPE_INCDEC>: Remove assert that operand 0
15999         and operand 1 are equal.
16000         <default>: Ditto.  Remove ??? comment.
16001         (*add<mode>_3) <TYPE_INCDEC>: Remove assert that operand 0
16002         and operand 1 are equal.
16003         <default>: Ditto.  Remove ??? comment.
16004         (*adddi_4) <default>: Remove assert that operand 0 and operand 1
16005         are equal.
16006         (*add<mode>_4) <default>: Ditto.
16007         (*add<mode>_5) <TYPE_INCDEC, default>: Ditto.
16008
16009 2010-06-04  Nathan Froyd  <froydnj@codesourcery.com>
16010
16011         * config/i386/i386-protos.h (ix86_print_operand): Declare.
16012         * config/i386/i386.c (ix86_print_operand): Make non-static.
16013         * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand.
16014         * output.h (output_operand): Declare.
16015         * final.c (output_operand): Make non-static.
16016
16017 2010-06-04  Alexandre Oliva  <aoliva@redhat.com>
16018
16019         PR rtl-optimization/44013
16020         * sched-deps.c (add_dependence_list_and_free): Don't free lists
16021         when processing debug insns.
16022
16023         PR debug/41371
16024         * var-tracking.c (find_loc_in_1pdv): Mark initial value before
16025         recursing.  Check that recursion is bounded.  Rename inner var
16026         to avoid hiding incoming argument.
16027
16028 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
16029
16030         * config/i386/i386.md (*addqi_2) <TYPE_INCDEC>: Do not assert that
16031         operands[2] == 255.
16032         (*addqi_3): Ditto.
16033         (*addqi_4): Ditto.
16034         (*addqi_5): Ditto.
16035         (*addqi_ext_1_rex64): Ditto.
16036         (*addqi_ext_1): Ditto.
16037
16038         (*addqi_4): Check for incdec_operand in QImode.
16039
16040         (*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
16041         using SWI mode iterator.
16042         (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
16043         (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
16044         mode iterator.
16045         (*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
16046         using SWI mode iterator.
16047
16048 2010-06-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
16049
16050         PR c/25880
16051         * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v.
16052         * c-format.c (gcc_diag_flag_specs): Add hash.
16053         (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly.
16054         (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v.
16055         * c-pretty-print.c (pp_c_cv_qualifier): Rename as
16056         pp_c_cv_qualifiers. Handle qualifiers spelling here.
16057         (pp_c_type_qualifier_list): Call the function above.
16058         * c-pretty-print.h (pp_c_cv_qualifiers): Declare.
16059         * c-typeck.c (handle_warn_cast_qual): Print qualifiers.
16060         (WARN_FOR_QUALIFIERS): New macro.
16061         (convert_for_assignment): Use it.
16062
16063 2010-06-04  Kai Tietz  <kai.tietz@onevision.com>
16064
16065         * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'.
16066
16067 2010-06-04  Jan Hubicka  <jh@suse.cz>
16068
16069         * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
16070         df_byte_lr_bb_info): Embedd bitmap_head into the structure.
16071         (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
16072         DF_BYTE_LR_OUT): Update for embedded bitmaps.
16073         * fwprop.c (single_def_use_enter_block): Likewise.
16074         * ddg.c (create_ddg_dep_from_intra_loop_link,
16075         add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
16076         * loop-iv.c (latch_dominating_def): Likewise.
16077         * df-problems.c (df_rd_free_bb_info, df_rd_alloc,
16078         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
16079         df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
16080         df_rd_transfer_function, df_rd_top_dump,
16081         df_rd_bottom_dump): Update.
16082         (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
16083         df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
16084         df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
16085         df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
16086         df_lr_verify_solution_start, df_lr_verify_solution_end,
16087         df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
16088         df_live_free_bb_info, df_live_alloc, df_live_reset,
16089         df_live_bb_local_compute, df_live_init, df_live_transfer_function,
16090         df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
16091         df_live_verify_solution_start, df_live_verify_solution_end,
16092         df_live_verify_transfer_functions, df_chain_create_bb,
16093         df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
16094         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
16095         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
16096         df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
16097         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
16098         df_byte_lr_transfer_function, df_byte_lr_top_dump,
16099         df_byte_lr_bottom_dump, df_create_unused_note,
16100         df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
16101         df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
16102         df_md_transfer_function, df_md_init, df_md_confluence_0,
16103         df_md_confluence_n,
16104         df_md_top_dump, df_md_bottom_dump): Update.
16105         (struct df_lr_problem_data): Embedd bitmap headers.
16106
16107 2010-06-04  Jan Hubicka  <jh@suse.cz>
16108
16109         * dce.c (dce_process_block): Do not re-scan already marked
16110         instructions.
16111
16112 2010-06-04  Bernd Schmidt  <bernds@codesourcery.com>
16113
16114         PR rtl-optimization/39871
16115         PR rtl-optimization/40615
16116         PR rtl-optimization/42500
16117         PR rtl-optimization/42502
16118         * ira.c (init_reg_equiv_memory_loc: New function.
16119         (ira): Call it twice.
16120         * reload.h (calculate_elim_costs_all_insns): Declare.
16121         * ira-costs.c: Include "reload.h".
16122         (regno_equiv_gains): New static variable.
16123         (init_costs): Allocate it.
16124         (finish_costs): Free it.
16125         (ira_costs): Call calculate_elim_costs_all_insns.
16126         (find_costs_and_classes): Take estimated elimination costs
16127         into account.
16128         (ira_adjust_equiv_reg_cost): New function.
16129         * ira.h (ira_adjust_equiv_reg_cost): Declare it.
16130         * reload1.c (init_eliminable_invariants, free_reg_equiv,
16131         elimination_costs_in_insn, note_reg_elim_costly): New static functions.
16132         (elim_bb): New static variable.
16133         (reload): Move code out of here into init_eliminable_invariants and
16134         free_reg_equiv.  Call them.
16135         (calculate_elim_costs_all_insns): New function.
16136         (eliminate_regs_1): Declare.  Add extra arg FOR_COSTS;
16137         all callers changed.  If FOR_COSTS is true, don't call alter_reg,
16138         but call note_reg_elim_costly if we turned a valid memory address
16139         into an invalid one.
16140         * Makefile.in (ira-costs.o): Depend on reload.h.
16141
16142 2010-06-04  Julian Brown  <julian@codesourcery.com>
16143
16144         * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives
16145         for pool ranges.
16146
16147 2010-06-04  Richard Guenther  <rguenther@suse.de>
16148
16149         PR lto/41584
16150         * cgraph.h (struct varpool_node): Add lto_file_data field.
16151         * lto-cgraph.c (input_varpool_node): Initialize it.
16152
16153 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
16154
16155         * config/i386/predicates.md (pic_symbolic_operand): Remove predicate.
16156         * config/i386/i386.md (*add<mode>_1): Do not use pic_symbolic_operand
16157         predicate in "type" attribute calculation.
16158         (*addsi_1_zext): Ditto.
16159         (*add<mode>_2): Do not use pic_symbolic_operand in insn predicate.
16160         (*addsi_2_zext): Ditto.
16161         (*add<mode>_3): Ditto.
16162         (*addsi_3_zext): Ditto.
16163         (*add<mode>_5): Ditto.
16164
16165 2010-06-03  Jan Hubicka  <jh@suse.cz>
16166
16167         * tree-into-ssa.c (mark_block_for_update): Avoid redundant call
16168         of bitmap_bit_p.
16169         * cfganal.c (compute_dominance_frontiers_1): Likewise.
16170
16171 2010-06-03  Jan Hubicka  <jh@suse.cz>
16172
16173         * df-problems.c (df_create_unused_note, df_note_bb_compute):
16174         micro-optimize the checks when to add new note.
16175
16176 2010-06-03  Nathan Froyd  <froydnj@codesourcery.com>
16177
16178         * final.c (output_asm_insn): Call
16179         targetm.asm_out.print_operand_punct_valid_p.  Update comments.
16180         (output_operand): Call targetm.asm_out.print_operand.  Update comments.
16181         (output_address): Call targetm.asm_out.print_operand_address.
16182         Update comments.
16183         * target.h (struct gcc_target): Add print_operand,
16184         print_operand_address, and print_operand_punct_valid_p fields.
16185         * targhooks.h (default_print_operand): Declare.
16186         (default_print_operand_address): Declare.
16187         (default_print_operand_punct_valid_p): Declare.
16188         * targhooks.c (default_print_operand): Define.
16189         (default_print_operand_address): Define.
16190         (default_print_operand_punct_valid_p): Define.
16191         * target-def.h (TARGET_PRINT_OPERAND): Define if not defined.
16192         (TARGET_PRINT_OPERAND_ADDRESS): Likewise.
16193         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise.
16194         (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND,
16195         TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P.
16196         * vmsdbgout.c (addr_const_to_string): Update comment.
16197         * config/i386/i386.c (print_operand): Rename to...
16198         (ix86_print_operand): ...this.  Make static.
16199         (print_operand_address): Rename to...
16200         (ix86_print_operand_address): ...this.  Make static.  Call
16201         ix86_print_operand instead of PRINT_OPERAND.
16202         (ix86_print_operand_punct_valid_p): New function.
16203         (TARGET_PRINT_OPERAND): Define.
16204         (TARGET_PRINT_OPERAND_ADDRESS): Define.
16205         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
16206         * config/i386/i386.h (HI_REGISTER_NAMES): Update comment.
16207         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
16208         (PRINT_OPERAND): Delete.
16209         (PRINT_OPERAND_ADDRESS): Delete.
16210         * config/i386/i386-protos.h (print_operand): Delete prototype.
16211         (print_operand_address): Delete prototype.
16212
16213 2010-06-03  Richard Guenther  <rguenther@suse.de>
16214
16215         PR tree-optimization/44403
16216         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
16217         Preserve pointer qualifiers.
16218         (vect_create_data_ref_ptr): Likewise.
16219
16220 2010-06-03  H.J. Lu  <hongjiu.lu@intel.com>
16221
16222         PR c++/44294
16223         * defaults.h (MAX_FIXED_MODE_SIZE): New.
16224
16225         * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed.
16226
16227 2010-06-03  Jakub Jelinek  <jakub@redhat.com>
16228
16229         PR debug/44375
16230         * tree-cfg.c (gimple_can_merge_blocks_p): For -O0
16231         return false if merging the bbs would lead to goto_locus
16232         location being lost from the IL.
16233
16234 2010-06-03  Jan Hubicka  <jh@suse.cz>
16235             Jakub Jelinek  <jakub@redhat.com>
16236
16237         * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
16238         set->regs[i] is NULL or has just one entry.
16239
16240 2010-06-03  Jan Hubicka  <jh@suse.cz>
16241
16242         * lto-cgraph.c (lto_varpool_encoder_size): Remove.
16243         * lto-streamer.h (lto_varpool_encoder_size): New inline function.
16244
16245 2010-06-03  Paul Brook  <paul@codesourcery.com>
16246
16247         * config/arm/arm.c (FL_TUNE): Define.
16248         (arm_default_cpu, arm_cpu_select): Remove.
16249         (all_cores): Populate core field.
16250         (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New.
16251         (arm_find_cpu): New function.
16252         (arm_handle_option): Lookup cpu/architecture names.
16253         (arm_override_options): Cleanup mcpu/march/mtune handling.
16254         (arm_file_start): Ditto.
16255
16256 2010-06-03  Alan Modra  <amodra@gmail.com>
16257
16258         PR target/44169
16259         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
16260         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
16261         rtx to gen_load_toc_v4_PIC_1b.  Tidy.
16262         (rs6000_emit_load_toc_table): Likewise.
16263
16264 2010-06-02  Jan Hubicka  <jh@suse.cz>
16265
16266         * passes.c (init_optimization_passes): Put ipa reference
16267         after ipa pure-const.
16268
16269 2010-06-02  Jan Hubicka  <jh@suse.cz>
16270
16271         * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
16272         calls_read_all and calls_write_all.
16273         (get_reference_optimization_summary): Fix formatting.
16274         (is_proper_for_analysis): Check that decl is not readonly.
16275         (propagate_bits): Check CONST/PURE/noreturn flags.
16276         (ipa_init): Move all_module_statics to optimization_summary_obstack.
16277         (analyze_function): Ignore indirect edges.
16278         (copy_global_bitmap): For all module statics, do nothing.
16279         (generate_summary): Do not print calls_read_all/calls_write_all.
16280         (read_write_all_from_decl): Take node as argument; check
16281         cgraph_node_cannot_return.
16282         (propagate): Reorganize read_all/write_all computation;
16283         check indirect edges; check ecf flags; use all_module_statics
16284         in the results; do not free all_module_statics.
16285         (stream_out_bitmap): Handle all_module_statics.
16286         (ipa_reference_write_optimization_summary): Likewise; use
16287         varpool/cgraph encoders to get boundaries.
16288         (ipa_reference_read_optimization_summary): Read in all_module_statics;
16289         use it when possible.
16290
16291 2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
16292
16293         PR target/44218
16294         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
16295         -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision options.
16296
16297         * doc/extend.texi (powerpc builtins): Document vec_recip,
16298         vec_rsqrt, vec_rsqrte altivec/vsx builtins.
16299
16300         * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function.
16301         (rs6000_emit_swrsqrt): Ditto.
16302         (rs6000_emit_swdivsf): Delete.
16303         (rs6000_emit_swdivdf): Ditto.
16304         (rs6000_emit_swrsqrtsf): Ditto.
16305
16306         * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
16307         describe the reciprocal estimate support for each type.
16308         (recip_options): Map -mrecip=<opt> into option bits.
16309         (gen_2arg_fn_t): New typedef for binary rtx gen function.
16310         (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
16311         reciprocal estimate instructions.
16312         (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
16313         debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
16314         Set up rs6000_recip_bits based on the -mrecip* options.  Print the
16315         cost information if -mdebug=cost or -mdebug=reg.
16316         (rs6000_override_options): Set -mrecip-precision for power6, and
16317         power7 machines.  If -mvsx or -mdfp, enable various options that
16318         came in previous instruction set ISAs, unless the option was
16319         explicitly disabled by the command line option.  Parse
16320         -mrecip=<opt> options.
16321         (rs6000_builtin_vectorized_function): Add support for vectorizing
16322         the reciprocal estimate builtins and expansions.
16323         (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
16324         (bdesc_2arg): Add reciprocal estimate builtins.
16325         (bdesc_1arg): Add reciprocal square root estimate builtins.
16326         (rs6000_expand_builtin): Rewrite to use a switch statement,
16327         instead of multiple if/then/elses.  Add reciprocal estimate builtins.
16328         (rs6000_init_builtins): Create declarations for reciprocal
16329         estimate builtins.
16330         (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
16331         sized, prefer traditional floating point registers, if integer
16332         vector types, prefer altivec registers.  Don't actually look at
16333         the memory address any more.
16334         (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
16335         builtins.
16336         (rs6000_load_constant_and_splat): New helper function to load up
16337         the constant for reciprocal estimate instructions.
16338         (rs6000_emit_madd): New helper function for generating
16339         multiply/add type instructions, based on the current switches.
16340         (rs6000_emit_msub): Ditto.
16341         (rs6000_emit_mnsub): Ditto.
16342         (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
16343         replace a divide with a reciprocal estimate and fixup, adding
16344         support for machines with high precision and vectors.
16345         (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
16346         low precision machines.
16347         (rs6000_emit_swdiv): New common function to be called to replace a
16348         division with reciprocal estimate and fixup.
16349         (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
16350         for double and vector types.  Add support for high precision machines.
16351
16352         * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
16353         the reciprocal estimate instructions can be generated.
16354         (TARGET_FRE): Ditto.
16355         (TARGET_FRSQRTES): Ditto.
16356         (TARGET_FRSQRTE): Ditto.
16357         (RS6000_RECIP_*): New macros for reciprocal estimate support.
16358
16359         * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
16360         square root estimate on vectors.
16361         (re<mode>2): New insn for reciprocal division estimate on vectors.
16362
16363         * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
16364         New builtin.
16365         (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
16366         (ALTIVEC_BUITLIN_VEC_RE): Ditto.
16367         (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
16368         (VSX_BUILTIN_RSQRT_V4SF): Ditto.
16369         (VSX_BUITLIN_RSQRT_V2DF): Ditto.
16370         (RS6000_BUILTIN_RSQRT): Ditto.
16371         (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
16372         floating point builtin.
16373
16374         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
16375         macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
16376         __RECIP_PRECISION__ based on the command line switches.
16377         (altivec_overloaded_builtins): Add reciprocal estimate builtins.
16378
16379         * config/rs6000/rs6000.opt (-mrecip): Document add support for
16380         replacing division instructions with reciprocal estimate and fixup.
16381         (-mrecip=<opt>): New option.
16382         (-mrecip-precision): Ditto.
16383
16384         * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
16385         (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
16386         (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
16387         precision scalar.
16388
16389         * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
16390         (UNSPEC_VREFP): Ditto.
16391         (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
16392         conterparts with regard to support of -mno-fused-madd and -ffast-math.
16393         (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
16394         reciprocal estimate instructions to be generated.
16395         (altivec_vrefp): Ditto.
16396
16397         * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
16398         estimate support.
16399         (rreg): New mode attribute for reciprocal estimate support.
16400         (recip<mode>3): New insn for division using reciprocal estimate
16401         and fixup builtins.
16402         (divide define_split): New define_split to convert floating point
16403         division to use reciprocal estimate if the user used the
16404         appropriate options and the split is run when we can add new
16405         pseudo registers for the fixup.
16406         (rsqrt<mode>2): New insn for reciprocal square root support.
16407         (recipsf3): Move into recip<mode>3.
16408         (recipdf3): Ditto.
16409         (fres): Use TARGET_FRES.
16410         (rsqrtsf2): Move into rsqrt<mode>2.
16411         (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
16412         (copysignsf3): Add support for VSX.
16413         (fred): Use TARGET_FRE.
16414         (fred_fpr): Ditto.
16415         (rsqrtdf_internal1): New function for frsqrte instruciton.
16416
16417         * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin.
16418         (vec_rsqrt): Ditto.
16419
16420 2010-06-03  Richard Guenther  <rguenther@suse.de>
16421
16422         PR middle-end/44291
16423         * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
16424         (set_user_assembler_libfunc): Likewise.
16425
16426 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
16427
16428         * mkconfig.sh: Include insn-flags.h and insn-constants.h before
16429         defaults.h.
16430         * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
16431         to defaults.h
16432         * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
16433         DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
16434         FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
16435         STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
16436         STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
16437         STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
16438         STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
16439         STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
16440         * defaults.h: Updated for above mentioned changes.
16441
16442 2010-06-02  Kai Tietz  <kai.tietz@onevision.com>
16443
16444         * c-common.c: Remove header include of tm_p.h.
16445         * Makefile.in (c-common.o): Remove TM_P_H dependency.
16446
16447 2010-06-02  Jakub Jelinek  <jakub@redhat.com>
16448
16449         * tree.h (struct tree_decl_map): New type.
16450         (tree_decl_map_eq, tree_decl_map_marked_p): Define.
16451         (tree_decl_map_hash): New prototype.
16452         (debug_expr_for_decl, value_expr_for_decl): Change into
16453         tree_decl_map hashtab from tree_map.
16454         (init_ttree): Adjust initialization.
16455         (tree_decl_map_hash): New function.
16456         (decl_debug_expr_lookup, decl_debug_expr_insert,
16457         decl_value_expr_lookup, decl_value_expr_insert): Adjust.
16458
16459 2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
16460
16461         * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
16462         linker emulations.
16463         * configure: Regenerate.
16464         * config.in: Regenerate.
16465
16466         * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
16467         (X86_64_EMULATION): Define.
16468         (TARGET_LD_EMULATION): Use them.
16469
16470         * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
16471         (SPARC64_EMULATION): Define.
16472         (LINK_ARCH_SPEC): Use them.
16473
16474 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
16475
16476         * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
16477         smallest_mode_for_size for computing the precision types of new
16478         graphite IVs.  Do not call lang_hooks.types.type_for_size.
16479
16480 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
16481
16482         * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
16483         information.
16484         (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.
16485
16486 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
16487
16488         PR middle-end/44363
16489         * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
16490         return false instead.
16491
16492 2010-06-02  Jan Hubicka  <jh@suse.cz>
16493
16494         PR middle-end/44295
16495         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
16496         create new cgraph node to check callee.
16497
16498 2010-06-02  Richard Guenther  <rguenther@suse.de>
16499
16500         * lto-streamer-in.c (input_gimple_stmt): Fix typo.
16501
16502 2010-06-02  Richard Guenther  <rguenther@suse.de>
16503
16504         * lto-wrapper.c (lto_wrapper_exit): Rename to ...
16505         (lto_wrapper_cleanup): ... this.  Do not exit.
16506         (fatal): Adjust.  Exit here.
16507         (fatal_perror): Likewise.
16508         (fatal_signal): New function.
16509         (main): Set up signal handlers to cleanup temporary files.
16510         * Makefile.in (lto-wrapper.o): Adjust dependencies.
16511
16512 2010-06-02  Richard Guenther  <rguenther@suse.de>
16513
16514         PR tree-optimization/44377
16515         * tree-ssa-structalias.c (find_func_aliases): Fix typo.
16516
16517 2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
16518
16519         * config/s390/2097.md (z10_fhex): Remove insn reservation.
16520         * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
16521         (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
16522         *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
16523         instruction.
16524         * config/s390/s390.c: Don't accept fp zeros as valid constants anymore.
16525
16526 2010-06-02  Jan Hubicka  <jh@suse.cz>
16527
16528         * bitmap.c (bitmap_descriptor): Add search_iter.
16529         (bitmap_find_bit): Increment it.
16530         (print_statistics): Print it.
16531
16532 2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>
16533
16534         * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
16535         instead of gimple_build_call_vec.  Delete unnecessary local variable.
16536
16537 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
16538
16539         * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
16540         change from yesterday.
16541
16542 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
16543
16544         * c-ada-spec.c: Clean up redundant includes.
16545
16546 2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>
16547
16548         * gimplify.c: Do not include except.h and optabs.h.
16549         (gimplify_body): Do not initialize RTL profiling.
16550         * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
16551         langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
16552         * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
16553         output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
16554         langhooks.h.
16555
16556         * tree-pretty-print.h: Include pretty-print.h.
16557         * gimple-pretty-print.h: Include pretty-print.h.
16558
16559         * tree-pretty-print.c: Do not include diagnostic.h.
16560         * tree-vrp.c: Likewise.
16561         * tree-tailcall.c: Likewise
16562         * tree-scalar-evolution.c: Likewise
16563         * tree-ssa-dse.c: Likewise
16564         * tree-chrec.c: Likewise
16565         * tree-ssa-sccvn.c: Likewise
16566         * tree-ssa-copyrename.c: Likewise
16567         * tree-nomudflap.c: Likewise
16568         * tree-call-cdce.c: Likewise
16569         * tree-stdarg.c: Likewise
16570         * tree-ssa-math-opts.c: Likewise
16571         * tree-nrv.c: Likewise
16572         * tree-ssa-sink.c: Likewise
16573         * tree-browser.c: Likewise
16574         * tree-ssa-loop-ivcanon.c: Likewise
16575         * tree-ssa-loop.c: Likewise
16576         * tree-parloops.c: Likewise
16577         * tree-ssa-address.c: Likewise
16578         * tree-ssa-ifcombine.c: Likewise
16579         * tree-if-conv.c: Likewise
16580         * tree-data-ref.c: Likewise
16581         * tree-affine.c: Likewise
16582         * tree-ssa-phiopt.c: Likewise
16583         * tree-ssa-coalesce.c: Likewise
16584         * tree-ssa-pre.c: Likewise
16585         * tree-ssa-live.c: Likewise
16586         * tree-predcom.c: Likewise
16587         * tree-ssa-forwprop.c: Likewise
16588         * tree-ssa-dce.c: Likewise
16589         * tree-ssa-ter.c: Likewise
16590         * tree-ssa-loop-prefetch.c: Likewise
16591         * tree-optimize.c: Likewise
16592         * tree-ssa-phiprop.c: Likewise
16593         * tree-object-size.c: Likewise
16594         * tree-outof-ssa.c: Likewise
16595         * tree-ssa-structalias.c: Likewise
16596         * tree-switch-conversion.c: Likewise
16597         * tree-ssa-reassoc.c: Likewise
16598         * tree-ssa-operands.c: Likewise
16599         * tree-vectorizer.c: Likewise
16600         * tree-vect-data-refs.c: Likewise
16601         * tree-vect-generic.c: Likewise
16602         * tree-vect-stmts.c: Likewise
16603         * tree-vect-patterns.c: Likewise
16604         * tree-vect-slp.c: Likewise
16605         * tree-vect-loop.c: Likewise
16606         * tree-ssa-loop-ivopts.c: Likewise
16607         * tree-ssa-loop-im.c: Likewise
16608         * tree-ssa-loop-niter.c: Likewise
16609         * tree-ssa-loop-unswitch.c: Likewise
16610         * tree-ssa-loop-manip.c: Likewise
16611         * tree-ssa-loop-ch.c: Likewise
16612         * tree-dump.c: Likewise
16613         * tree-complex.c: Likewise
16614
16615         * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
16616         * tree-ssa-uninit.c: Likewise
16617         * tree-ssa-threadupdate.c: Likewise
16618         * tree-ssa-uncprop.c: Likewise
16619         * tree-ssa-ccp.c: Likewise
16620         * tree-ssa-dom.c: Likewise
16621         * tree-ssa-propagate.c: Likewise
16622         * tree-ssa-alias.c: Likewise
16623         * tree-dfa.c: Likewise
16624         * tree-cfgcleanup.c: Likewise
16625         * tree-sra.c: Likewise
16626         * tree-ssa-copy.c: Likewise
16627         * tree-ssa.c: Likewise
16628         * tree-profile.c: Likewise
16629         * tree-cfg.c: Likewise
16630         * tree-ssa-threadedge.c: Likewise
16631         * tree-vect-loop-manip.c: Likewise
16632
16633         * tree-inline.c: Do not include diagnostic.h and expr.h.
16634         Include rtl.h.
16635         (copy_decl_for_dup_finish): Do not use NULL_RTX.
16636
16637         * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h.
16638         * tree-loop-distribution.c: Likewise.
16639
16640 2010-06-01  Jan Hubicka  <jh@suse.cz>
16641
16642         * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.
16643
16644 2010-06-01  Jan Hubicka  <jh@suse.cz>
16645
16646         * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
16647         remove return value.
16648         (split_bbs_on_noreturn_calls) .... here.
16649         * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
16650         * tree-flow.h (fixup_noreturn_call): New.
16651
16652 2010-06-01  Jan Hubicka  <jh@suse.cz>
16653
16654         * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.
16655
16656 2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>
16657
16658         * tree.h (build_nt_call_list): Delete.
16659         * tree.c (build_nt_call_list): Delete.
16660
16661 2010-06-01  Jan Hubicka  <jh@suse.cz>
16662
16663         * fwprop.c: Make emit-rtl.h include last.
16664         * rtlanal.c: Include emit-rtl.h.
16665         * genautomata.c: Output emit-rtl include into insn-automata.c
16666         * df-scan.c: Include emit-rtl.h.
16667         * haifa-sched.c: Indlude emit-rtl.h.
16668         * mode-switching.c: Indlude emit-rtl.h.
16669         * graph.c: Indlude emit-rtl.h.
16670         * sel-sched.c: Include emit-rtl.h.
16671         * sel-sched-ir.c: Include emit-rtl.h.
16672         * ira-build.c: Include emit-rtl.h.
16673         * emit-rtl.c (first_insn, last_insn): Remove defines.
16674         (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
16675         Move to emit-rtl.h.
16676         (set_new_first_and_last_insn, get_last_insn_anywhere,
16677         get_first_nonnote_insn, get_last_nonnote_insn, try_split,
16678         make_call_insn_raw, add_insn_after, add_insn_before, remove_insn,
16679         delete_insns_since, reorder_insns_nobb, emit_insn_after_1,
16680         emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence,
16681         push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn):
16682         Use accessor functions.
16683         * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
16684          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
16685         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
16686         mem_expr_equal_p): Move here from rtl.h.
16687         (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
16688         Move here from emit-rtl.c; make inline.
16689         * cfglayout.h: Include emit-rtl.h.
16690         * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
16691          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
16692         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
16693         mem_expr_equal_p, get_insns, set_first-insn,
16694         get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h.
16695         * reg-stack.c: Include emit-rtl.h.
16696         * dce.c: Likewise.
16697
16698 2010-06-01  Jan Hubicka  <jh@suse.cz>
16699
16700         * cgraph.h (tree_function_versioning): Update prototype.
16701         (cgraph_function_versioning): Update prototype.
16702         * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
16703         bitmap.
16704         (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy.
16705         (cgraph_materialize_clone, save_inline_function_body): Update use of
16706         tree_function_versioning.
16707         * tree-inline.c (copy_bb): Look for previous copied block to link
16708         after; fix debug output.
16709         (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
16710         (copy_body): Likewise.
16711         (expand_call_inline): Update use of copy_body.
16712         (tree_function_versioning): Update use of copy body; accept
16713         blocks_to_copy and new_entry.
16714
16715 2010-06-01  Jan Hubicka  <jh@suse.cz>
16716
16717         * gegenrtl.c: Remove unnecesary prototypes.
16718         (gendecl): Remove.
16719         (gendef): Produce static inline.
16720         (gencode): Remove.
16721         (main): Do not decode parameters; generate header only.
16722         * Makefile.in (genrtl.c): Remove.
16723
16724 2010-06-01  Jan Hubicka  <jh@suse.cz>
16725
16726         * tree-switch-conversion.c (build_one_array): Make it readonly.
16727
16728 2010-06-01  Richard Guenther  <rguenther@suse.de>
16729
16730         * optabs.c (init_optabs): Guard all accesses to reinit.
16731         * ipa-pure-const.c (propagate): Fix another typo.
16732         * opts.c (common_handle_option): Split assignment to bool.
16733         * c-opts.c (c_common_handle_option): Likewise.
16734
16735 2010-06-01  Arnaud Charlet  <charlet@adacore.com>
16736             Matthew Gingell  <gingell@adacore.com>
16737
16738         * doc/invoke.texi: Mention -fdump-ada-spec.
16739         * tree-dump.c (dump_files): Add ada-spec.
16740         (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
16741         * tree-pass.h (tree_dump_index): Add TDI_ada.
16742         * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
16743         (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
16744         (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
16745         * c-decl.c: Include c-ada-spec.h.
16746         (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
16747         functions.
16748         (c_write_global_declarations): Add handling of -fdump-ada-spec.
16749         * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
16750         * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
16751         * c-ada-spec.h, c-ada-spec.c: New files.
16752
16753 2010-06-01  Richard Guenther  <rguenther@suse.de>
16754
16755         PR lto/43853
16756         * ipa-pure-const.c (get_function_state): Hand back varying state
16757         if we do not have one.
16758         (has_function_state): New function.
16759         (duplicate_node_data): Adjust.
16760         (remove_node_data): Likewise.
16761         (pure_const_write_summary): Likewise.
16762         (propagate): Likewise.  Fix typo.
16763
16764 2010-06-01  Jan Hubicka  <jh@suse.cz>
16765
16766         * tree-cfg.c (verify_stmt): Do not skip could_throw test.
16767         * passes.c (execute_function_todo): Do not make implicit verify_ssa.
16768         (execute_all_ipa_transforms): Do not play with the states.
16769
16770 2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
16771
16772         * config/arm/t-linux-androideabi: New.
16773         * config.gcc (arm*-*-linux-androideabi): Include multilib config.
16774
16775 2010-06-01  Jan Hubicka  <jh@suse.cz>
16776
16777         * tree-inline.c (estimate_num_insns): For stdarg functions look
16778         into call statement to count cost of argument passing.
16779
16780 2010-06-01  Kai Tietz  <kai.tietz@onevision.com>
16781
16782         * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
16783         argument for fprintf.
16784         (ix86_output_addr_diff_elt): Likewise.
16785         (x86_function_profiler): Likewise.
16786         * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
16787         (LPREFIX): Likewise.
16788         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
16789
16790 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
16791
16792         PR target/44338
16793         * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
16794         fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
16795         fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
16796         fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
16797         fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
16798         fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
16799         fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
16800         Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
16801         TARGET_FUSED_MADD.
16802
16803 2010-05-31  Jan Hubicka  <jh@suse.cz>
16804
16805         * tree.h (tree_range_check_failed): Declare noreturn.
16806
16807 2010-05-31  Jan Hubicka  <jh@suse.cz>
16808
16809         * gimple.c (gimple_call_builtin_p): New function.
16810         * gimple.h (gimple_call_builtin_p): Declare.
16811         * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
16812         to exit.
16813         (execute_warn_function_return): BUILT_IN_RETURN is return.
16814         (split_critical_edges): Return edges are not critical.
16815         (is_ctrl_altering_stmt): Builtin_in_return is altering.
16816         (gimple_verify_flow_info): Handle built_in_return.
16817         (execute_warn_function_return): Handle built_in_return.
16818         * ipa-pure-const.c (check_call): Ignore builtin_return.
16819
16820 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
16821
16822         PR middle-end/44337
16823         * expr.c (expand_assignment): Don't store anything for out-of-bounds
16824         array accesses with non-MEM.
16825
16826         PR tree-optimization/44182
16827         * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
16828         newly needs to end a bb is followed by debug stmts, instead return
16829         true from the function at the end.
16830         (maybe_move_debug_stmts_to_successors): New function.
16831         (copy_cfg_body): Call it if copy_edges_for_bb returned true.
16832
16833 2010-05-31  Kai Tietz  <kai.tietz@onevision.com>
16834
16835         PR target/44161
16836         * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic.
16837
16838 2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>
16839
16840         * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
16841         for nested functions in non-optimized compilation.
16842
16843 2010-05-31  Richard Guenther  <rguenther@suse.de>
16844
16845         * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN.
16846
16847 2010-05-30  Jan Hubicka  <jh@suse.cz>
16848
16849         * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
16850
16851 2010-05-30  Richard Guenther  <rguenther@suse.de>
16852
16853         PR lto/42975
16854         * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
16855         (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
16856         no longer needed.
16857
16858 2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>
16859
16860         * config/darwin.c (output_objc_section_asm_op): Add comment.
16861         (name_needs_quotes): Add '_' to list of valid comment chars.
16862         (machopic_output_function_base_name): Remove unneeded quotes.
16863         (darwin_encode_section_info): Adjust asm whitespace.
16864         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
16865         (ASM_OUTPUT_LOCAL): Ditto.
16866         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
16867         * config/darwin.h (GLOBAL_ASM_OP): Ditto.
16868         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.
16869
16870 2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>
16871
16872         * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
16873         RS6000_OUTPUT_BASENAME unconditionally.
16874         (rs6000_output_function_epilogue): Likewise.
16875
16876 2010-05-30  Jan Hubicka  <jh@suse.cz>
16877
16878         * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
16879         nodes.
16880
16881 2010-05-30  Richard Guenther  <rguenther@suse.de>
16882
16883         * tree-cfg.c (verify_gimple_assign_single): Implement
16884         verification for COND_EXPR rhs.
16885
16886 2010-05-30  Jan Hubicka  <jh@suse.cz>
16887
16888         * cgraph.h (cgraph_dump_file): Declare.
16889         * cgraphunit.c (cgraph_dump_file): Export.
16890         * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose.
16891
16892 2010-05-30  Jan Hubicka  <jh@suse.cz>
16893
16894         * dwarf2out.c (reference_to_unused,
16895         premark_types_used_by_global_vars_helper): Avoid creation of new
16896         varpool nodes.
16897
16898 2010-05-30  Jan Hubicka  <jh@suse.cz>
16899
16900         * cgraph.h (cgraph_node_cannot_return,
16901         cgraph_edge_cannot_lead_to_return): New functions.
16902         * cgraph.c (cgraph_node_cannot_return,
16903         cgraph_edge_cannot_lead_to_return): Use them.
16904         * ipa-pure-const.c (pure_const_names): New static var.
16905         (check_call): Handle calls not leading to return.
16906         (pure_const_read_summary): Dump info read.
16907         (propagate): Dump info about propagation process; ignore side effects
16908         of functions not leading to exit; fix handling of pure functions.
16909
16910 2010-05-30  Jan Hubicka  <jh@suse.cz>
16911
16912         * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
16913         for tail call epilogues.
16914
16915 2010-05-30  Jan Hubicka  <jh@suse.cz>
16916
16917         * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
16918         ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
16919         dump files.
16920
16921 2010-05-29  Jan Hubicka  <jh@suse.cz>
16922
16923         * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
16924         node; remove references in node we no longer keep in cgrpah but need
16925         body of.
16926
16927 2010-05-29  Jan Hubicka  <jh@suse.cz>
16928
16929         * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.
16930
16931 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16932
16933         PR target/44165
16934         * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.
16935
16936 2010-05-29  Jan Hubicka  <jh@suse.cz>
16937
16938         * tree-vrp.c (debug_value_range, debug_all_value_ranges,
16939         debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
16940         * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
16941         debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
16942         debug_names_replaced_by, debug_update_ssa): Likewise.
16943         * sbitmap.c (debug_sbitmap): Likewise.
16944         * genrecog.c (debug_decision, debug_decision_list): Likewise.
16945         * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
16946         debug_tree_chain): Likewise.
16947         * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
16948         * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
16949         * optabs.c (debug_optab_libfuncs): Likewise.
16950         (verify_loop_closed_ssa): Likewise.
16951         * value-prof.c (verify_histograms): Likewise.
16952         * reload.c (debug_reload_to_stream, debug_reload): Likewise.
16953         * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
16954         * cfghooks.c (verify_flow_info): Likewise.
16955         * fold-const.c (debug_fold_checksum): Likewise.
16956         * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
16957         * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
16958         Likewise.
16959         * omega.c (debug_omega_problem): Likewise.
16960         * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
16961         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
16962         * dominance.c (verify_dominators, debug_dominance_info,
16963         debug_dominance_tree): Likewise.
16964         * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
16965         * df_regno_debug, df_ref_debug,
16966         debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
16967         debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
16968         * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
16969         * sel-sched.c (debug_state): Likewise.
16970         * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
16971         Likewise.
16972         * cfganal.c (print_edge_list, verify_edge_list): Likewise.
16973         * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
16974         * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
16975         * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
16976         Likewise.
16977         * c-pretty-print.c (debug_c_tree): Likewise.
16978         * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
16979         debug_av_set, debug_lv_set, debug_ilist, debug_blist,
16980         debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
16981         * ebitmap.c (debug_ebitmap): Likewise.
16982         * function.c (debug_find_var_in_block_tree): Likewise.
16983         * print-rtl.c (debug_rtx): Likewise.
16984         (debug_rtx_count): Likewise.
16985         (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
16986         * stor-layout.c (debug_rli): Likewise.
16987         * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
16988         * tree-data-ref.c (debug_data_references,
16989         debug_data_dependence_relations, debug_data_reference,
16990         debug_data_dependence_relation, debug_rdg_vertex,
16991         debug_rdg_component, debug_rdg): Likewise.
16992         * tree-affine.c (debug_aff): Likewise.
16993         * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
16994         Likewise.
16995         * except.c (debug_eh_tree, verify_eh_tree): Likewise.
16996         * emit-rtl.c (verify_rtl_sharing): Likewise.
16997         * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
16998         debug_value_expressions): Likewise.
16999         * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
17000         * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
17001         * print-tree.c (debug_tree, debug_vec_tree): Likewise.
17002         * cfglayout.c (verify_insn_chain): Likewise.
17003         * graphite-clast-to-gimple.c (debug_clast_name_indexes,
17004         debug_clast_stmt, debug_generated_program): Likewise.
17005         * ggc-page.c (debug_print_page_list): Likewise.
17006         * tree-ssa-ter.c (debug_ter): Likewise.
17007         * graphite-dependences.c (debug_pddr): Likewise.
17008         * sched-deps.c (debug_ds): Likewise.
17009         * tree-ssa.c (verify_ssa): Likewise.
17010         * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
17011         debug_scattering_functions, debug_iteration_domains, debug_pdr,
17012         debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
17013         debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
17014         * tree-inline.c (debug_find_tree): Likewise.
17015         * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
17016         debug_ppl_powerset_matrix): Likewise.
17017         * var-tracking.c (debug_dv): Likewise.
17018         * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
17019         * cfgloop.c (verify_loop_structure): Likewise.
17020         * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
17021         * c-common.c (verify_sequence_points): Likewise.
17022         * sched-rgn.c (debug_regions, debug_region, debug_candidate,
17023         debug_candidates, debug_rgn_dependencies): Likewise.
17024         * tree-ssa-structalias.c (debug_constraint, debug_constraints,
17025         * debug_constraint_graph, debug_solution_for_var,
17026         debug_sa_points_to_info): Likewise.
17027         * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
17028         Likewie.
17029         * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
17030         debug_loops, debug_loop, debug_loop_num): Likewise.
17031         * passes.c (debug_pass): Likewise.
17032         (dump_properties): Likewise; add cfglayout property.
17033         (debug_properties): Likewise.
17034         * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
17035         * varpool.c (debug_varpool): Likewise.
17036         * regcprop.c (debug_value_data): Likewise.
17037         * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
17038         debug_immediate_uses_for): Likewise.
17039
17040 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
17041
17042         PR bootstrap/44315
17043         * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
17044         Filter out insn-flags.h.
17045
17046 2010-05-29  Jan Hubicka  <jh@suse.cz>
17047
17048         * cgraph.h (struct varpool_node_set_def,
17049         struct cgraph_node_set_def): Remove unused AUX pointer.
17050         (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
17051         VEC_empty macro.
17052
17053 2010-05-29  Jan Hubicka  <jh@suse.cz>
17054
17055         PR middle-end/44324
17056         * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".
17057
17058 2010-05-29  Richard Guenther  <rguenther@suse.de>
17059
17060         * lto-streamer.c (cached_bp): New global variable.
17061         (bitpack_create): Return the cached bitpack, if available.
17062         (bitpack_delete): Clear and cache the bitpack, if appropriate.
17063         (bp_pack_value): Remove redundant asserts.
17064
17065 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
17066
17067         PR middle-end/44306
17068         * tree-if-conv.c (is_true_predicate): New.
17069         (is_predicated): Use is_true_predicate.
17070         (add_to_predicate_list): Same.  Do not use unshare_expr.
17071         (add_to_dst_predicate_list): Same.
17072
17073 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
17074
17075         * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
17076         field on edges.
17077         (predicate_bbs): Same.
17078         (clean_predicate_lists): Same.
17079         (find_phi_replacement_condition): Do not AND the predicate from
17080         edge->aux.
17081
17082 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
17083
17084         PR bootstrap/44315
17085         * Makefile.in (build/gencondmd.o): Add a missing `\'.
17086
17087 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17088
17089         PR target/44261
17090         config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
17091         (negdf2): Adjust expander pattern and use negdf2_slow.
17092         (negsf2): Likewise.
17093
17094 2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
17095
17096         * basic-block.h (struct control_flow_graph): Move last_label_uid field
17097         up.
17098         * df.h (struct df_base_ref): Move regno field up.
17099         * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
17100         * expr.h (struct separate_ops): Move location field up.
17101         * optabs.h (struct optab_d): Move libcall_basename field down.
17102         * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
17103         * config/i386/i386.h (struct machine_function): Convert call_abi field
17104         into a bitfield.  Move cfa field to the end of the structure.
17105
17106 2010-05-29  Jan Hubicka  <jh@suse.cz>
17107
17108         * varpool.c (varpool_get_node): Fix lookup.
17109
17110 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
17111
17112         * config/spu/spu-protos.h: Do not include rtl.h.  Protect
17113         RTL specific prototypes with #ifdef RTX_CODE.
17114         * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
17115         * config/spu/t-spu-elf: Fix dependencies.
17116
17117         * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.
17118
17119 2010-05-29  Mike Stump  <mikestump@comcast.net>
17120
17121         PR bootstrap/44315
17122         * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
17123         TM_H when building to avoid dependency loops.
17124
17125 2010-05-29  Jan Hubicka  <jh@suse.cz>
17126
17127         * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
17128         refs and body; not the whole node for masters of materialized clones.
17129
17130 2010-05-29  Mike Stump  <mikestump@comcast.net>
17131
17132         * config/rs6000/rs6000-c.c: Remove c-tree.h include.
17133
17134 2010-05-29  Jan Hubicka  <jh@suse.cz>
17135
17136         * cgraph.c (clone_function_name): Take SUFFIX argument; export.
17137         (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
17138         use of clone_function_name.
17139         * cgraph.h (cgraph_create_virtual_clone,
17140         cgraph_function_versioning): update prototypes.
17141         (clone_function_name): Declare.
17142         * ipa-cp.c (ipcp_insert_stage): Update call of
17143         cgraph_create_virtual_clone.
17144         * omp-low.c (create_omp_child_function_name): Use
17145         cgraph_create_virtual_clone.
17146         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
17147         (cgraph_function_versioning): Take SUFFIX argument; produce new name
17148         and make decl local.
17149
17150 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
17151
17152         * vec.h: Include statistics.h
17153         * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
17154         with VEC_H.
17155
17156 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
17157
17158         * c-lex.c: Do not include c-tree.h.
17159         * c-pretty-print.c: Likewise.
17160         * c-opts.c: Likewise.
17161         * c-gimplify.c: Likewise.
17162         * c-common.c: Likewise.
17163         * c-dump.c: Likewise.  Include c-common.h.
17164
17165 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
17166
17167         * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
17168         before including diagnostic-core.h.
17169         (c_cpp_error): New prototype moved from c-tree.h.
17170         Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
17171         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
17172         (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
17173         (c_cpp_error): Prototype moved to c-common.h.
17174         * Makefile.in: Update dependency for C_COMMON_H.
17175
17176 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
17177
17178         * c-common.h: Add FIXME for awkward split of c_register_addr_space.
17179         * c-common.c (c_register_addr_space): Remove here.
17180         * c-decl.c (c_register_addr_space): Re-add here.
17181
17182 2010-05-28  Mike Stump  <mikestump@comcast.net>
17183
17184         * config/darwin-c.c: Remove c-tree.h include.
17185
17186 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
17187
17188         * gcc.c: Include diagnostic.h.
17189         (error_count): Remove.  All users changed to use errorcount.
17190         (programname): Remove.  All users changed to use progname.
17191         (fancy_abort, internal_error, fatal_error, error, warning, inform,
17192         fnotice): Remove.
17193         (execute): Don't include "Internal error" and bug reporting
17194         information in argument of internal_error call.
17195         (process_command): Don't increment error_count after calling
17196         perror_with_name.
17197         (input_filename): Rename to gcc_input_filename.  All users
17198         changed.
17199         (main): Call diagnostic_initialize.  Register delete_temp_files
17200         with atexit.  Use seen_error to test for errors.
17201         * gcc.h: Include diagnostic-core.h.
17202         (fatal_error, error, warning): Remove.
17203         * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
17204         (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
17205         (gcc.o): Update dependencies.
17206
17207 2010-05-28  Jeff Law  <law@redhat.com>
17208
17209         * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
17210         functions.
17211         * ira.h (ira_bad_reload_regno): Declare
17212         * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.
17213
17214         * ira-color.c (update_curr_costs): Free updated hard reg costs.
17215         (ira_reassign_conflict_allocnos): Remove bogus asserts.
17216         (allocno_reload_assign): Likewise.
17217
17218 2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>
17219
17220         * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
17221         build1_stat.
17222
17223 2010-05-28  Richard Guenther  <rguenther@suse.de>
17224
17225         PR lto/44312
17226         * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
17227         Stream fixed-point constants mode.
17228         (unpack_ts_type_value_fields): Fix width of TYPE_MODE
17229         and TYPE_PRECISION.
17230         * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
17231         Stream fixed-point constants mode.
17232         (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
17233         and TYPE_PRECISION.
17234
17235 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
17236
17237         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
17238         only place it was called from.
17239         (number_of_latch_executions): Do not return chrec_dont_know when the
17240         may_be_zero is a runtime condition: instead, return a COND_EXPR
17241         including the may_be_zero condition.
17242         * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
17243         of nb_iterations.
17244         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
17245         COND_EXPRs.
17246
17247 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
17248
17249         * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
17250         generate COND_EXPRs for degenerate_phi_result.
17251
17252 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
17253
17254         PR middle-end/44293
17255         * tree-if-conv.c (if_convertible_loop_p): Check the
17256         if-convertibility of phi nodes in non predicated BBs.
17257
17258 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
17259
17260         * gcc.c (error, warning, inform): Remove duplicate ": " in output.
17261
17262 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
17263
17264         PR driver/15303
17265         * gcc.c (inform, warning, inform): New functions.
17266         (fatal_ice): Rename to internal_error; change cmsgid parameter to
17267         gmsgid.  All callers changed.
17268         (notice): Rename to fnotice; add parameter fp.  All callers changed.
17269         (fatal_error): Rename to fatal_signal.  All users changed.
17270         (fatal): Rename to fatal_error; change cmsgid parameter to
17271         gmsgid.  All callers changed.
17272         (process_command): Use warning instead of error for warnings.
17273         (end_going_arg): Don't use _() around argument of error.
17274         (do_spec_1): Use inform for message from %n specs.  Use warning
17275         instead of error for warnings.
17276         (main): Use inform for comparison messages.  Use warning for
17277         message about unused linker input.
17278         (error): Increment error_count.  Print "error: ".
17279         * gcc.h (fatal): Change to fatal_error.
17280         (warning): Declare.
17281         * config/darwin-driver.c (darwin_default_min_version): Use warning
17282         instead of fprintf for warnings.
17283         * cppspec.c (lang_specific_driver): Use fatal_error instead of fatal.
17284
17285 2010-05-28  Julian Brown  <julian@codesourcery.com>
17286
17287         * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
17288         (*thumb2_addsi3_compare0_scratch): New.
17289         * config/arm/constraints.md (Pv): New.
17290         * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
17291         for ARM mode only.
17292         (*addsi3_compare0_scratch): Likewise.
17293
17294 2010-05-28  Jan Hubicka  <jh@suse.cz>
17295
17296         * ipa-reference.c (add_static_var): Remove redundant all_module_statics
17297         check.
17298         (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
17299         only on local statics.
17300
17301 2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
17302
17303         * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.
17304
17305 2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
17306
17307         PR bootstrap/44314
17308         * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
17309         (OPTION_GLIBC): Define.
17310
17311 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
17312
17313         PR debug/41048
17314         * dwarf2out.c (double_int_type_size_in_bits): New function.
17315         (round_up_to_align): Change first argument and return value to
17316         double_int.
17317         (field_byte_offset): Work internally on double_ints.
17318
17319         PR target/43636
17320         * builtins.c (expand_movstr): Use a temporary pseudo instead
17321         of target even when target is not NULL and not const0_rtx, but
17322         fails movstr predicate.
17323         * config/m32c/blkmov.md (movstr): Add predicate to first operand.
17324
17325 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
17326
17327         * final.c (rest_of_clean_state): Use %m in errors instead of
17328         strerror (errno).
17329         * gengtype.c (read_input_list, close_output_files): Use xstrerror
17330         instead of strerror.
17331         * toplev.c (process_options): Use %m in errors instead of strerror
17332         (errno).
17333         * tree-dump.c (dump_begin): Use %m in errors instead of strerror
17334         (errno).
17335
17336 2010-05-28  Uros Bizjak  <ubizjak@gmail.com>
17337
17338         * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
17339         (ix86_canonical_va_list_type): Make static.  Add declaration.
17340         (ix86_enum_va_list): Make static.  Reindent.
17341         * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
17342         (ix86_canonical_va_list_type): Ditto.
17343         (ix86_enum_va_list): Ditto.
17344
17345 2010-05-28  Richard Guenther  <rguenther@suse.de>
17346
17347         * lto-wrapper.c (run_gcc): With -save-temps generate a
17348         user-visible ltrans filename.  Fixup ltrans unit numbering.
17349
17350 2010-05-28  Kai Tietz  <kai.tietz@onevision.com>
17351
17352         * c-common.c (c_common_nodes_and_builtins): Replace use
17353         of TARGET_ENUM_VA_LIST by target hook enum_va_list.
17354         * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
17355         to ix86_enum_va_list.
17356         * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
17357         * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
17358         (TARGET_ENUM_VA_LIST_P): Add hook description.
17359         * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
17360         * target.h (gcc_target): Add enum_va_list hook.
17361
17362         PR bootstrap/44299
17363         * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
17364         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
17365         * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.
17366
17367 2010-05-28  Alan Modra  <amodra@gmail.com>
17368
17369         PR target/44266
17370         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
17371         emit_library_call machinery to set up __tls_get_addr calls.
17372
17373 2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
17374
17375         * config/s390/s390.md (movqi): Fix typo ('*' -> '#').
17376
17377 2010-05-28  Dodji Seketeli  <dodji@redhat.com>
17378
17379         Revert fix for PR c++/44188
17380         * c-common.c (is_typedef_decl): Revert the moving of  this
17381         definition ...
17382         * tree.c (is_typedef_decl): ... here.
17383         (typdef_variant_p): Revert the moving of this  definition
17384         here from cp/tree.c.
17385         * c-common.h (is_typedef_decl): Revert the moving of this
17386         declaration ...
17387         * tree.h (is_typedef_decl): ... here.
17388         (typedef_variant_p): Revert the moving of this  declaration here
17389         from cp/cp-tree.h
17390         * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
17391         (gen_tagged_type_die): Revert the splitting out of ...
17392         (gen_type_die_with_usage): ... this function. Revert the anonymous
17393         tagged type handling.
17394         (gen_typedef_die): Revert emitting DW_TAG_typedef  for
17395         typedefs naming anonymous tagged types.
17396
17397 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
17398
17399         * config/rs6000/rs6000-modes.def (PSImode): Delete.
17400
17401 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
17402
17403         * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
17404         * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
17405         throughout.
17406         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
17407         "xer" to "ca".
17408         Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
17409         XER_REGS to CA_REGS throughout.
17410         * config/rs6000/rs6000.h: Same.
17411         (ADDITIONAL_REGISTER_NAMES): Add "xer".
17412         * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
17413         that mode_iterator "P" is the size for arithmetic carries as well.
17414         * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.
17415
17416 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
17417
17418         PR bootstrap/44255
17419         * combine.c (struct rtx_subst_pair): Define unconditionally.
17420         (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
17421         copy_rtx pair->to instead of cleanup_auto_inc_dec it.
17422         Call make_compound_operation on pair->to.
17423         (propagate_for_debug): Don't call make_compound_operation here.
17424         Always use simplify_replace_fn_rtx.
17425
17426 2010-05-27  Sterling Augustine  <sterling@tensilica.com>
17427
17428         * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
17429         * config/xtensa/xtensa.c (override_options): Check
17430           TARGET_FORCE_NO_PIC and set flag_pic.
17431         * config/xtensa/xtensa.opt: Document -mforce-no-pic
17432
17433 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
17434
17435         PR bootstrap/44299
17436         * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
17437         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.
17438
17439 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
17440
17441         * diagnostic-core.h: New.  Contents moved from diagnostic.h and
17442         toplev.h.
17443         * diagnostic.c: Don't include toplev.h.
17444         (progname): Define.  Moved from toplev.c.
17445         (seen_error): New function.
17446         * diagnostic.h: Include diagnostic-core.h.
17447         (diagnostic_t, emit_diagnostic): Don't declare here.
17448         * toplev.c (progname): Move to toplev.c.
17449         (emit_debug_global_declarations, compile_file, finalize,
17450         do_compile, toplev_main): Use seen_error.
17451         * toplev.h: Include diagnostic-core.h.
17452         (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
17453         internal_error, warning, warning_at, error, error_n, error_at,
17454         fatal_error, pedwarn, permerror, sorry, inform, inform_n,
17455         verbatim, fnotice, progname): Move to diagnostic-core.h.
17456         * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
17457         (expand_builtin_expect): Use seen_error.
17458         * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
17459         (c_make_fname_decl, c_write_global_declarations): Use seen_error.
17460         * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
17461         * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
17462         * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
17463         * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
17464         errorcount for errors.
17465         * c-opts.c (c_common_finish): Use seen_error.
17466         * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
17467         * cgraphunit.c (verify_cgraph_node, verify_cgraph,
17468         cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
17469         * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
17470         (get_coverage_counts): Use seen_error.
17471         * dwarf2out.c (dwarf2out_finish): Use seen_error.
17472         * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
17473         gimplify_body): Use seen_error.
17474         * ipa-inline.c (cgraph_early_inlining): Use seen_error.
17475         * ipa-pure-const.c (gate_pure_const): Use seen_error.
17476         * ipa-reference.c (gate_reference): Use seen_error.
17477         * jump.c: Include diagnostic-core.h instead of diagnostic.h.
17478         * lambda-code.c: Include diagnostic-core.h instead of
17479         diagnostic.h.
17480         * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
17481         * lto-compress.c: Include diagnostic-core.h instead of
17482         diagnostic.h.
17483         * lto-section-in.c: Include diagnostic-core.h instead of
17484         diagnostic.h.
17485         * lto-streamer-out.c: Include diagnostic-core.h instead of
17486         diagnostic.h.
17487         * lto-streamer.c: Include diagnostic-core.h instead of
17488         diagnostic.h.
17489         (gate_lto_out): Use seen_error.
17490         * matrix-reorg.c: Include diagnostic-core.h instead of
17491         diagnostic.h.
17492         * omega.c: Include diagnostic-core.h instead of diagnostic.h.
17493         * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
17494         (gate_expand_omp, lower_omp_1): Use seen_error.
17495         * passes.c: Include diagnostic-core.h instead of diagnostic.h.
17496         (rest_of_decl_compilation, rest_of_type_compilation,
17497         gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
17498         * tree-cfg.c (label_to_block_fn): Use seen_error.
17499         * tree-inline.c (optimize_inline_calls): Use seen_error.
17500         * tree-mudflap.c (mudflap_finish_file): Use
17501         seen_error.
17502         * tree-optimize.c (gate_all_optimizations,
17503         gate_all_early_local_passes, gate_all_early_optimizations): Use
17504         seen_error.
17505         * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
17506         * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
17507         (varpool_remove_unreferenced_decls,
17508         varpool_assemble_pending_decls): Use seen_error.
17509         * Makefile.in (DIAGNOSTIC_CORE_H): Define.
17510         (TOPLEV_H, DIAGNOSTIC_H): Update.
17511         (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
17512         lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
17513         c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
17514         builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
17515         coverage.o, lambda-code.o): Update dependencies.
17516
17517 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
17518
17519         PR c++/44188
17520         * c-common.c (is_typedef_decl): Move this definition ...
17521         * tree.c (is_typedef_decl): ... here.
17522         (typdef_variant_p): Move definition here from cp/tree.c.
17523         * c-common.h (is_typedef_decl): Move this declaration ...
17524         * tree.h (is_typedef_decl): ... here.
17525         (typedef_variant_p): Move declaration here from cp/cp-tree.h
17526         * dwarf2out.c (is_naming_typedef_decl): New function.
17527         (gen_tagged_type_die): Split out of ...
17528         (gen_type_die_with_usage): ... this function. When an anonymous
17529         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
17530         is emitted for the typedef.
17531         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
17532         anonymous tagged types.
17533
17534 2010-05-27  Jason Merrill  <jason@redhat.com>
17535
17536         * print-tree.c (debug_vec_tree): New fn.
17537         (print_vec_tree): New fn.
17538         * tree.h: Declare them.
17539         * gdbinit.in (pvt): New command.
17540
17541         * print-tree.c (print_node) [TREE_VEC]: Print elements normally.
17542
17543         * gdbinit.in (pdd): New command.
17544
17545 2010-05-27  Jan Hubicka  <jh@suse.cz>
17546
17547         * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
17548         (update_caller_keys): Return early if there are no callers;
17549         only update fibheap when decresing the key.
17550         (update_callee_keys): Avoid recursion.
17551         (decide_inlining_of_small_functions): When badness does not match;
17552         re-insert into fibheap.
17553
17554 2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>
17555
17556         * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
17557         (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
17558         (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
17559         (ALL_HOST_OBJS): Now a union of the above two.
17560         <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
17561         all files in ALL_HOST_FRONTEND_OBJS.
17562         * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
17563
17564         * c-common.c: Pretend to be a backend file by undefining
17565         IN_GCC_FRONTEND (still need rtl.h here).
17566
17567 2010-05-27  Jan Hubicka  <jh@suse.cz>
17568
17569         * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
17570         * cgraphunit.c (clone_of_p): Compile only when checking is enabled.
17571
17572 2010-05-27  Jan Hubicka  <jh@suse.cz>
17573
17574         * sched-ebb.c: Rename struct deps to struct deps_desc.
17575         * ddg.c: Likewise.
17576         * sel-sched-ir.c: Likewise.
17577         * sched-deps.c: Likewise.
17578         * sched-int.h: Likewise.
17579         * sched-rgn.c: Likewise.
17580
17581 2010-05-27  Jon Beniston  <jon@beniston.com>
17582
17583         PR 43726
17584         * config/lm32/lm32.h: Remove definition of
17585         GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.
17586
17587 2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>
17588
17589         PR lto/44230
17590         * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.
17591
17592 2010-05-27  Richard Guenther  <rguenther@suse.de>
17593
17594         PR tree-optimization/44284
17595         * tree-vect-stmts.c (vectorizable_assignment): Handle
17596         sign-changing conversions as simple copy.
17597
17598 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
17599
17600         * gthr-posix.h (pthread_cancel): Don't declare if compiling against
17601         Bionic C library.
17602         (__gthread_active_p): Check for pthread_create if compiling against
17603         Bionic C library.
17604
17605 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
17606
17607         Support compilation for Android platform.  Reimplement -mandroid.
17608
17609         * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
17610         (*android*): Set ANDROID_DEFAULT.
17611         (arm*-*-linux*): Include linux-android.h.
17612         (arm*-*-eabi*): Don't include previous -mandroid implementation.
17613         * config/arm/eabi.h: Remove, move Android-specific parts ...
17614         * config/linux-android.h: ... here.  New file.
17615         * config/arm/eabi.opt: Rename to ...
17616         * config/linux-android.opt: ... this.
17617         (mandroid): Allow -mno-android option.  Initialize based on
17618         ANDROID_DEFAULT.
17619         * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
17620         Move logic to corresponding LINUX_TARGET_* macros.
17621         (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
17622         * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
17623         (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
17624         Android definitions.
17625         (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
17626         * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
17627         Document.
17628
17629 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
17630
17631         Add support for Bionic C library
17632
17633         * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
17634         macro.
17635         (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
17636         (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
17637
17638         * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
17639         (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
17640         (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
17641         to support multiple C libraries.  Handle Bionic.
17642         (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
17643         (BIONIC_DYNAMIC_LINKER64): Define.
17644         (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
17645         Update.
17646         (TARGET_HAS_SINCOS): Enable for Bionic.
17647
17648         * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
17649         the last option specified on command line take effect.
17650         (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
17651         (mbionic): New.
17652         (mglibc, muclibc): Update.
17653
17654         * config/alpha/linux-elf.h, config/rs6000/linux64.h,
17655         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
17656         DEFAULT_LIBC.
17657
17658         * doc/invoke.texi (-mglibc, -muclibc): Update.
17659         (-mbionic): Document.
17660
17661 2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
17662
17663         * c-common.h (c_register_addr_space): Add prototype.
17664         (ADDR_SPACE_KEYWORD): Remove.
17665         * c-common.c (c_register_addr_space): New function.
17666         (c_addr_space_name): Reimplement.
17667         (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.
17668
17669         * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
17670         (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.
17671
17672         * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
17673         Remove TARGET_ADDR_SPACE_KEYWORDS.
17674
17675 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
17676
17677         * input.c: New file.
17678         * input.h (main_input_filename): Move declaration to toplev.h.
17679         * toplev.c (input_location, line_table): Move to input.c
17680         * toplev.h (main_input_filename): Move declaration from input.h.
17681         * tree.c (expand_location): Move to input.c.
17682         * Makefile.in (OBJS-common): Add input.o.
17683         (input.o): Add dependencies.
17684
17685 2010-05-27  Richard Guenther  <rguenther@suse.de>
17686
17687         * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
17688         for non-existant files.
17689         (fork_execute): Mark args_name file as deleted.
17690
17691 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
17692
17693         PR bootstrp/44287
17694         * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
17695         (narrow_signed_type): Likewise.
17696
17697 2010-05-26  Jan Hubicka  <jh@suse.cz>
17698
17699         * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
17700         edge only when checking is enabled; check using former_clone_of;
17701         check inline clones too.
17702         (cgraph_materialize_clone): Record former_clone_of pointer.
17703         (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
17704         combining redirections; dump args_to_skip bitmap
17705         (cgraph_materialize_all_clones): Do no redirection here.
17706         * ipa-inline.c (inline_transform): Do redirection here.
17707         * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
17708         cheking only).
17709
17710 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
17711
17712         * config/avr/avr-c.c: Do not include regs.h.
17713         Include cpplib.h for cpp_define and tree.h for c-common.h.
17714         * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
17715         * config/avr/t-avr: Fix dependencies for avr-c.o.
17716
17717 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
17718
17719         * explow.c (set_stack_check_libfunc): Adjust to accept name as a
17720         string instead of SYMBOL_REF rtx.
17721         * rtl.h (set_stack_check_libfunc): Move prototype from here...
17722         * libfuncs.h: ...to here.  Adjust for explow.c change.
17723
17724 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
17725
17726         * pretty-print.c: Don't include ggc.h.
17727         (identifier_to_locale_alloc, identifier_to_locale_free): Define.
17728         (identifier_to_locale): Use them for allocation.
17729         * pretty-print.h (identifier_to_locale_alloc,
17730         identifier_to_locale_free): Declare.
17731         * toplev.c (alloc_for_identifier_to_locale): New.
17732         (general_init): Set identifier_to_locale_alloc and
17733         identifier_to_locale_free.
17734         * Makefile.in (pretty-print.o): Update dependencies.
17735
17736 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
17737
17738         * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
17739         pointer types if they have different alignment or mode.
17740
17741 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
17742
17743         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
17744         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
17745         * config/sparc/sparc-protos.h (function_value): Remove declaration.
17746         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
17747         sparc_function_value_regno_p): New functions.
17748         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
17749         TARGET_FUNCTION_VALUE_REGNO_P): Define.
17750         (function_value): Rename to...
17751         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
17752         argument to 'outgoing'.
17753         (function_arg_record_value, function_arg_union_value,
17754         function_arg_vector_value): Update comment.
17755
17756 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
17757
17758         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
17759         (fde_needed_for_eh_p): New predicate.
17760         (output_call_frame_info): Use it throughout to decide whether FDEs
17761         are needed for EH purpose.
17762         (dwarf2out_begin_prologue): Reorder assignments.
17763
17764 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17765
17766         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
17767         special case loop->header.
17768         (is_predicated): New.
17769         (if_convertible_loop_p): Call it.
17770
17771 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17772
17773         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
17774         iterator in parameter.  Do not generate code during the analysis.
17775         (tree_if_convert_cond_stmt): Removed.
17776         (tree_if_convert_stmt): Removed.
17777         (predicate_bbs): New.
17778         (if_convertible_loop_p): Call predicate_bbs.
17779         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
17780         now contains all the analysis part.
17781
17782 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17783
17784         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
17785         statements in the analysis part.
17786         (tree_if_convert_stmt): Update comment.
17787         (remove_conditions_and_labels): New.
17788         (combine_blocks): Call remove_conditions_and_labels.
17789         (tree_if_conversion): Update comment.
17790
17791 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17792
17793         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
17794         than 2 predecessors or more than 2 successors.
17795
17796 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17797
17798         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
17799         of loops in which the data dependence analysis fails.
17800
17801 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17802
17803         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
17804         CDI_POST_DOMINATORS.
17805         (tree_if_conversion): Same.
17806
17807 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17808
17809         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
17810
17811 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
17812
17813         * tree-if-conv.c: Update copyright years.  Fix comments.
17814         Fix indentation.
17815
17816 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
17817
17818         * builtin-types.def (BT_INT128): New primitive type.
17819         (BT_UINT128): Likewise.
17820         * c-common.c (c_common_r): Add __int128 keyword.
17821         (c_common_type_for_size): Handle __int128.
17822         (c_common_type_for_mode): Likewise.
17823         (c_common_signed_or_unsigned_type): Likewise.
17824         (c_common_nodes_and_builtins): Add builtin type
17825         if target supports 128-bit integer scalar.
17826         * c-common.h (enum rid): Add RID_INT128.
17827         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
17828         if target supports 128-bit integer scalar.
17829         * c-decl.c (declspecs_add_type): Handle new keyword __int128.
17830         (finish_declspecs): Likewise.
17831         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
17832         (c_token_starts_declspecs): Likewise.
17833         (c_parser_declspecs): Likewise.
17834         (c_parser_attributes): Likewise.
17835         (c_parser_objc_selector): Likewise.
17836         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
17837         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
17838         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
17839         * tree.c (make_or_reuse_type): Likewise.
17840         (make_unsigned_type): Likewise.
17841         (build_common_tree_nodes_2): Likewise.
17842         * tree.h (enum integer_type_kind): Add itk_int128 and
17843         itk_unsigned_int128.
17844         (int128_integer_type_node): New define.
17845         (int128_unsigned_type_node): New define.
17846         * doc/extend.texi: Add documentation about __int128 type.
17847
17848 2010-05-26  Richard Guenther  <rguenther@suse.de>
17849
17850         * tree-ssa-sccvn.c (copy_nary): Adjust.
17851         (copy_phis): Rename to ...
17852         (copy_phi): ... this.  Adjust.
17853         (copy_references): Rename to ...
17854         (copy_reference): ... this.  Adjust.
17855         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
17856         result into the valid table.
17857
17858 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
17859
17860         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
17861         insn-config.h, insn-codes.h, recog.h, and optabs.h.
17862
17863 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17864
17865         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.
17866
17867 2010-05-26  Richard Guenther  <rguenther@suse.de>
17868
17869         * opts.c (common_handle_option): Handle OPT_Ofast.
17870
17871 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
17872
17873         * diagnostic.c: Don't include opts.h.
17874         (permissive_error_option): Define.
17875         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
17876         for classify_diagnostic.  Don't use memset for
17877         classify_diagnostic.  Initialize new and recently added fields.
17878         (diagnostic_classify_diagnostic): Use context->n_opts instead of
17879         N_OPTS.
17880         (diagnostic_report_diagnostic): Pass context parameter to
17881         diagnostic_report_warnings_p.  Use option_enabled and option_name
17882         hooks from context.
17883         (emit_diagnostic): Use permissive_error_option.
17884         (permerror): Likewise.
17885         * diagnostic.h: Don't include options.h.
17886         (struct diagnostic_context): Add n_opts, opt_permissive,
17887         inhibit_warnings, warn_system_headers, option_enabled and
17888         option_name fields.  Change classify_diagnostic to a pointer.
17889         * opts-diagnostic.h: New file.
17890         * opts.c: Include opts-diagnostic.h.
17891         (common_handle_option): Set global_dc fields for -Wfatal-errors,
17892         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
17893         (option_name): New function.
17894         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
17895         (c_common_handle_option): Set global_dc->permissive for
17896         -fpermissive.
17897         * c-common.c (c_cpp_error): Save and restore
17898         global_dc->warn_system_headers, not variable warn_system_headers.
17899         * toplev.c: Include opts-diagnostic.h.
17900         (general_init): Update call to diagnostic_initialize.  Set
17901         global_dc->show_column, global_dc->option_enabled and
17902         global_dc->option_name.
17903         (process_options): Don't set global_dc fields here.
17904         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
17905         (diagnostic.o, opts.o, toplev.o): Update dependencies.
17906
17907 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
17908
17909         * config/picochip/picochip.md (movsi): Split a movsi from a
17910         const after reload.
17911
17912 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17913
17914         * ggc-zone.c: Update copyright year.
17915         (poison_region): Mark memory for Valgrind as undefined before
17916         memset () call and inaccessible afterwards.
17917         (ggc_pch_total_size): Change type of i to int.
17918
17919 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17920
17921         * ggc-common.c (ggc_free_overhead): Allow empty slot.
17922
17923 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17924
17925         * ggc-common.c: Update copyright year.
17926         (ggc_rlimit_bound): Remove prototype.  Compile only if
17927         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
17928         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
17929         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
17930         (ggc_min_heapsize_heuristic): Likewise.
17931
17932 2010-05-26  Richard Guenther  <rguenther@suse.de>
17933
17934         PR rtl-optimization/44164
17935         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
17936         no-common access-path disambiguation.
17937         (indirect_ref_may_alias_decl_p): Adjust.
17938         (indirect_refs_may_alias_p): Likewise.
17939         (refs_may_alias_p_1): Likewise.
17940
17941 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
17942
17943         * c-typeck.c: Do not include expr.h.
17944
17945 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
17946
17947         * rtl.h (decl_default_tls_model): Move prototype from here...
17948         * output.h: ...to here.
17949         * c-decl.c: Do not include rtl.h.
17950         * c-pragma.c: Likewise.
17951         * c-parser.c: Likewise.
17952         * c-gimplify.c: Likewise.  And also not hard-reg-set.
17953         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
17954         FIXME note for it.  Add a FIXME note for expr.h.
17955         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
17956         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
17957         defined.
17958
17959 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
17960
17961         PR target/44199
17962         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
17963         or total_size is larger than red zone size for non-V4 ABI, emit a
17964         stack_tie resp. frame_tie insn before stack pointer restore.
17965         * config/rs6000/rs6000.md (frame_tie): New insn.
17966
17967 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
17968
17969         * function.h (struct function): Add can_throw_non_call_exceptions bit.
17970         * lto-streamer-in.c (input_function): Stream it in.
17971         * lto-streamer-out.c (output_function): Stream it out.
17972         * function.c (allocate_struct_function): Set it.
17973         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
17974         for flag_non_call_exceptions.
17975         * cfgbuild.c (control_flow_insn_p): Likewise.
17976         (make_edges): Likewise.
17977         * cfgexpand.c (expand_stack_alignment): Likewise.
17978         * combine.c (distribute_notes): Likewise.
17979         * cse.c (cse_extended_basic_block): Likewise.
17980         * except.c (insn_could_throw_p): Likewise.
17981         * gcse.c (simple_mem): Likewise.
17982         * ipa-pure-const.c (check_call): Likewise.
17983         (check_stmt ): Likewise.
17984         * lower-subreg.c (lower-subreg.c): Likewise.
17985         * optabs.c (emit_libcall_block): Likewise.
17986         (prepare_cmp_insn): Likewise.
17987         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
17988         * postreload.c (rest_of_handle_postreload): Likewise.
17989         * reload1.c (reload_as_needed): Likewise.
17990         (emit_input_reload_insns): Likewise.
17991         (emit_output_reload_insns): Likewise.
17992         (fixup_abnormal_edges): Likewise.
17993         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
17994         * store-motion.c (find_moveable_store): Likewise.
17995         * tree-eh.c (stmt_could_throw_p): Likewise.
17996         (tree_could_throw_p): Likewise.
17997         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
17998         * config/arm/arm.c (arm_expand_prologue): Likewise.
17999         (thumb1_expand_prologue): Likewise.
18000         * config/rx/rx.md (cbranchsf4): Likewise.
18001         (cmpsf): Likewise.
18002         * config/s390/s390.c (s390_emit_prologue): Likewise.
18003         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
18004         (inline_forbidden_into_p): New predicate.
18005         (expand_call_inline): Use it to forbid inlining.
18006         (tree_can_inline_p): Likewise.
18007
18008 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
18009
18010         * config/i386/i386-c.c: Do not include rtl.h.
18011         * config/i386/t-i386: Update dependencies.
18012
18013 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
18014
18015         * attribs.c: Do not include rtl.h.
18016         * Makefile.in: Update dependencies.
18017
18018 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
18019
18020         * double-int.h (double_int_and): New.
18021         * combine.c (try_combine): Clean up, use double_int_* and
18022         immed_double_int_const functions.
18023
18024 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18025
18026         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
18027         stderr to /dev/null instead of grep -q.
18028         * configure: Regenerate.
18029
18030 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
18031
18032         * Makefile.in (EXCEPT_H): Fix typo.
18033
18034 2010-05-25  Vladimir Makarov  <vmakarov@redhat.com>
18035
18036         * ira-build.c (update_conflict_hard_reg_costs): New.
18037         (ira_build): Call update_conflict_hard_reg_costs.
18038
18039 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
18040
18041         PR debug/41371
18042         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
18043         ENABLE_CHECKING.
18044         (intersect_loc_chains): Walk the s2var's loc_chain together
18045         with s1node chain as long as the locations are equal, don't
18046         call find_loc_in_1pdv in that case.
18047
18048         PR debug/42801
18049         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
18050         (copy_bind_expr): ... instead of here.
18051         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
18052         if the block hasn't been remapped.
18053         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
18054         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
18055
18056 2010-05-25  Richard Guenther  <rguenther@suse.de>
18057
18058         PR middle-end/44069
18059         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
18060         out-of-bounds array accesses.
18061
18062 2010-05-25  Richard Guenther  <rguenther@suse.de>
18063
18064         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
18065         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
18066         (run_gcc): Re-organize to make cleanup easier.
18067
18068 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18069
18070         * config/s390/s390.c (optimization_options): Fix and move the
18071         flag_prefetch_loop_arrays override ...
18072         (override_options): ... here.
18073
18074 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
18075
18076         * diagnostic.c: Don't include plugin.h.
18077         (diagnostic_report_diagnostic): Don't handle plugins specially
18078         here.  Pass context to internal_error callback.
18079         * diagnostic.h (struct diagnostic_context): Add context parameter
18080         to internal_error callback.
18081         * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
18082         * plugin.h (struct diagnostic_context): Declare.
18083         (warn_if_plugins, plugins_internal_error_function): Declare.
18084         * toplev.c (general_init): Set global_dc->internal_error.
18085         * Makefile.in (diagnostic.o): Update dependencies.
18086
18087 2010-05-25  Iain Sandoe  <iains@gcc.gnu.org>
18088
18089         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
18090         * config/rs6000/t-darwin64: New.
18091         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
18092         build crt2.
18093
18094 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
18095
18096         PR 44203
18097         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
18098         match the original (and intended) behaviour before r159557.  This
18099         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
18100         in two ways.
18101
18102 2010-05-25  Richard Guenther  <rguenther@suse.de>
18103
18104         * doc/invoke.texi: Document -Ofast.
18105         * target.h (struct gcc_target): Add handle_ofast.
18106         * target-def.h (TARGET_HANDLE_OFAST): Add.
18107         (TARGET_INITIALIZER): Adjust.
18108         * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
18109         * common.opt (Ofast): Add.
18110
18111 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
18112
18113         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
18114         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
18115
18116 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
18117
18118         PR target/43610
18119         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
18120         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
18121         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
18122         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
18123
18124 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
18125
18126         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
18127         DW_OP_minus with negated offset instead of DW_OP_plus.
18128         (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.
18129
18130 2010-05-25  Wei Guozhi  <carrot@google.com>
18131
18132         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
18133         tst instruction and a new alternative.
18134         * config/arm/constraints.md (Pu): New constraint.
18135
18136 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
18137
18138         * function.c (assign_stack_local_1): Initialize variable
18139         to avoid warning when bootstrapping at -O3.
18140
18141 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
18142
18143         * configure.ac (all_lang_makefiles): Remove everything related to it.
18144         * configure: Regenerate.
18145         * Makefile.in: Fix reference to ada Make-lang.in.
18146         Remove support for LANG_MAKEFILES.
18147
18148 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
18149             Sandra Loosemore  <sandra@codesourcery.com>
18150
18151         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
18152         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
18153         description.  Add arm_neon_fp16_ok.
18154         (Add Options): Add arm_neon and arm_neon_fp16.
18155
18156 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
18157
18158         * diagnostic.c: Don't include flags.h.
18159         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
18160         context parameters.  Check flags in the context passed as a parameter.
18161         (diagnostic_build_prefix): Add context parameter.  Check
18162         show_column flag in context.
18163         (diagnostic_action_after_output): Check fatal_errors flag in context.
18164         (diagnostic_report_current_module): Check show_column flag in context.
18165         (default_diagnostic_starter): Update call to
18166         diagnostic_build_prefix.
18167         (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
18168         (emit_diagnostic): Pass context to permissive_error_kind.
18169         (permerror): Pass context to permissive_error_kind.
18170         * diagnostic.h (struct diagnostic_context): Add show_column,
18171         pedantic_errors, permissive and fatal_errors fields.
18172         (diagnostic_build_prefix): Update prototype.
18173         * langhooks.c
18174         * toplev.c (process_options): Set flags in global_dc from
18175         flag_show_column, flag_pedantic_errors, flag_permissive,
18176         flag_fatal_errors.
18177         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
18178         to diagnostic_build_prefix.
18179         * Makefile.in (diagnostic.o): Update dependencies.
18180
18181 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
18182
18183         * config/i386/ia32intrin.h (__crc32q): Define only if
18184         __SSE4_2__ is defined.
18185
18186 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
18187
18188         PR target/44132
18189         PR middle-end/43602
18190         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
18191         DECL_VISIBILITY_SPECIFIED.
18192         (emutls_decl): Set DECL_PRESERVE_P and copy
18193         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
18194         (emutls_finalize_control_var): New callback.
18195         (emutls_finish): Finalize emutls control variables.
18196         * toplev.c (compile_file): Move the call to emutls_finish ()
18197         before varpool_assemble_pending_decls ().
18198
18199 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
18200
18201         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
18202         added to the preprocessor condition.
18203
18204 2010-05-24  Paul Brook  <paul@codesourcery.com>
18205
18206         * gengtype-lex.l: Add HARD_REG_SET.
18207         * expr.c (expand_expr_real_1): Record writes to hard registers.
18208         * function.c (rtl_data): Add asm_clobbers.
18209         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
18210         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
18211         Use crtl->asm_clobbers.
18212
18213 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18214
18215         * doc/makefile.texi (Makefile): Mention stages 'profile'
18216         and 'feedback' for profiledbootstrap.
18217
18218 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
18219
18220         PR target/44245
18221         * config/i386/i386.c (def_builtin): Properly check
18222         OPTION_MASK_ISA_64BIT.
18223
18224 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
18225
18226         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
18227         typedefs with different but compatible types.  Allow duplicate
18228         typedefs with the same type except for pedantic non-C1X, but give
18229         warning for variably modified types.
18230         * c-typeck.c (tagged_types_tu_compatible_p,
18231         function_types_compatible_p, type_lists_compatible_p,
18232         comptypes_internal): Add parameter different_types_p; set
18233         *different_types_p for different but compatible types.  All
18234         callers changed.
18235         (comptypes_check_different_types): New.
18236         * c-tree.h (comptypes_check_different_types): Declare.
18237
18238 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
18239
18240         * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
18241         * jump.c: Include basic-block.h.
18242         * profile.c: Likewise.
18243         * tree-profile.c: Likewise.
18244         * coverage.c: Likewise.
18245         * basic-block.h (optimize_function_for_size_p): Move to function.h.
18246         (optimize_function_for_speed_p): Likewise.
18247         * function.h (optimize_function_for_size_p,
18248         optimize_function_for_speed_p): Moved here from basic-block.h.
18249         * Makefile.in: Update dependencies.
18250
18251 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18252
18253         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
18254         before calling make; allow override through $MAKE.
18255         * doc/invoke.texi (Optimize Options): Document override.
18256
18257 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
18258
18259         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
18260         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
18261         (rs6000_mode_dependent_address_ptr): Make static.
18262         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
18263         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
18264         Remove.
18265
18266 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
18267
18268         PR target/43869
18269         * config/i386/i386.c: Make sure that the correct regparm is passed.
18270
18271 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
18272
18273         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
18274         * sbitmap.c: ...to here to internalize sbitmap element access.
18275         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
18276         Explain why basic-block.h is included.
18277         * function.h: Include tm.h for CUMULATIVE_ARGS.
18278         * Makefile.in: Update dependencies.
18279
18280 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
18281
18282         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
18283         New core types.
18284         * sbitmap.h (struct sbitmap_def): Do not typedef here.
18285         * sbitmap.c: Include sbitmap.h.
18286         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
18287         hard-reg-set.h.  Split everything related to regsets out from here...
18288         * regset.h: ...to here.  New file.
18289         * df.h: Include regset.h and sbitmap.h.
18290         * tree-flow.h: Likewise.
18291         * cfgloop.h: Likewise.
18292         * except.h: Do not include sbitmap.h.  Include hashtab.h.
18293         * cgraph.h: Include vec.h and function.h.
18294         * reload.h (struct insn_chain): Change types of live_throughout
18295         and dead_or_set from regset_head to bitmap_head.
18296         (compute_use_by_pseudos): Be defined also if regset.h is not included.
18297         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
18298         spilled_regs from regset_head to bitmap_head to avoid dependency
18299         in regset.h.
18300         * sel-sched-ir.h: Include regset.h.
18301         * reload.c: Include df.h before reload.h.
18302         * caller-save.c: Likewise.
18303         * reload1.c: Likewise.
18304         * ira.c: Likewise.
18305         (mark_elimination): Update type of r to bitmap, consistent with
18306         DF_LR_IN.
18307         * dominance.c: Include bitmap.h.
18308         * modulo-sched.c: Include df.h.
18309         * cfganal.c: Include bitmap.h and sbitmap.h.
18310         * cfgbuild.c: Include sbitmap.h.
18311         * lcm.c: Include sbitmap.h.
18312         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
18313         * domwalk.c: Include sbitmap.h, exclude ggc.h.
18314         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
18315         * cselib.c: Include bitmap.h.
18316         * tree-optimize.c: Include regset.h.
18317         * stmt.c: Include bitmap.h.
18318         * Makefile.in: Update dependencies.
18319
18320 2010-05-22  Jan Hubicka  <jh@suse.cz>
18321
18322         * cgraph.h (struct varpool_node): Add same_comdat_group.
18323         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
18324         pointer.
18325         (output_varpool): Update call of lto_output_varpool_node.
18326         (input_varpool): Read same_comdat_group pointer.
18327         (input_varpool_1): Fixup same_comdat_group pointer.
18328         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
18329         group is needed, all are.
18330         * varpool.c (varpool_remove_node): Remove node from same comdat group
18331         linklist too.
18332         (varpool_analyze_pending_decls): Walk same comdat groups.
18333
18334 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
18335
18336         * rtl.h (union rtunion_def): Remove rt_bit member.
18337         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
18338         * print-rtl (print_rtx): Do not print the member.
18339         * gengtype.c (adjust_field_rtx_def): Do not handle it.
18340         * gengenrtl.c (type_from_format): Likewise.
18341         (accessor_from_format): Likewise.
18342
18343 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
18344
18345         * dbgcnt.c: Include toplev.h instead of errors.h.
18346         * ira-emit.c: Don't include errors.h.
18347         * ira.c: Include toplev.h instead of errors.h.
18348         * lto-compress.c: Include toplev.h instead of errors.h.
18349         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
18350         ira.o, dbgcnt.o): Update dependencies.
18351
18352 2010-05-22  Richard Guenther  <rguenther@suse.de>
18353
18354         * gimple.c (gimple_types_compatible_p): Check type qualifications
18355         before merging pointer to complete and pointer to incomplete type.
18356         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
18357         we use our own resolution algorithm.  The gold linker plugin
18358         doesn't do the job we want it to do here.
18359
18360 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
18361
18362         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
18363         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
18364         (sparc_mode_dependent_address_p): New function.
18365
18366 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
18367
18368         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
18369
18370         * timevar.c: Do not include any core headers.
18371         (timevar_print): De-i18n-ize.
18372         (print_time): Likewise.
18373         * timevar.h (timevar_push, timevar_pop): Make inline functions.
18374
18375 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
18376
18377         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
18378         langhooks-def.h.
18379         (diagnostic_initialize): Initialize x_data not last_function.
18380         (diagnostic_report_current_function): Move to tree-diagnostic.c.
18381         (default_diagnostic_starter): Call
18382         diagnostic_report_current_module not
18383         diagnostic_report_current_function.
18384         (diagnostic_report_diagnostic): Initialize x_data not
18385         abstract_origin.
18386         (verbatim): Likewise.
18387         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
18388         x_data.
18389         (struct diagnostic_context): Change last_function to x_data.
18390         (diagnostic_auxiliary_data): Replace with
18391         diagnostic_context_auxiliary_data and
18392         diagnostic_info_auxiliary_data.
18393         (diagnostic_last_function_changed, diagnostic_set_last_function,
18394         diagnostic_report_current_function): Move to tree-diagnostic.h.
18395         (print_declaration, dump_generic_node, print_generic_stmt,
18396         print_generic_stmt_indented, print_generic_expr,
18397         print_generic_decl, debug_c_tree, dump_omp_clauses,
18398         print_call_name, debug_generic_expr, debug_generic_stmt,
18399         debug_tree_chain, default_tree_printer): Move to
18400         tree-pretty-print.h.
18401         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
18402         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
18403         gimple-pretty-print.h.
18404         * pretty-print.c: Don't include tree.h
18405         (pp_base_format): Don't handle %K here.
18406         (pp_base_tree_identifier): Move to tree-pretty-print.c.
18407         * pretty-print.h (text_info): Change abstract_origin to x_data.
18408         (pp_tree_identifier, pp_unsupported_tree,
18409         pp_base_tree_identifier): Move to tree-pretty-print.h.
18410         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
18411         tree-pretty-print.h: New files.
18412         * tree-pretty-print.c: Include tree-pretty-print.h.
18413         (percent_K_format): New.  Moved from pretty-print.c.
18414         (pp_base_tree_identifier): Move from pretty-print.c.
18415         * c-objc-common.c: Include tree-pretty-print.h.
18416         (c_tree_printer): Handle %K here.
18417         * langhooks.c: Include tree-diagnostic.h.
18418         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
18419         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
18420         (default_tree_printer): Handle %K using percent_K_format.
18421         (general_init): Use default_tree_diagnostic_starter.
18422         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
18423         (free_lang_data): Use default_tree_diagnostic_starter.
18424         * c-pretty-print.c: Include tree-pretty-print.h.
18425         * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
18426         * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
18427         * dwarf2out.c: Include tree-pretty-print.h.
18428         * except.c: Include tree-pretty-print.h.
18429         * gimple-pretty-print.c: Include tree-pretty-print.h and
18430         gimple-pretty-print.h.
18431         * gimplify.c: Include tree-pretty-print.h.
18432         * graphite-poly.c: Include tree-pretty-print.h and
18433         gimple-pretty-print.h.
18434         * ipa-cp.c: Include tree-pretty-print.h.
18435         * ipa-inline.c: Include gimple-pretty-print.h.
18436         * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
18437         * ipa-pure-const.c: Include gimple-pretty-print.h.
18438         * ipa-struct-reorg.c: Include tree-pretty-print.h and
18439         gimple-pretty-print.h.
18440         * ipa-type-escape.c: Include tree-pretty-print.h.
18441         * print-rtl.c: Include tree-pretty-print.h.
18442         * print-tree.c: Include gimple-pretty-print.h.
18443         * sese.c: Include tree-pretty-print.h.
18444         * tree-affine.c: Include tree-pretty-print.h.
18445         * tree-browser.c: Include tree-pretty-print.h.
18446         * tree-call-cdce.c: Include gimple-pretty-print.h.
18447         * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
18448         * tree-chrec.c: Include tree-pretty-print.h.
18449         * tree-data-ref.c: Include tree-pretty-print.h and
18450         gimple-pretty-print.h.
18451         * tree-dfa.c: Include tree-pretty-print.h.
18452         * tree-if-conv.c: Include tree-pretty-print.h and
18453         gimple-pretty-print.h.
18454         * tree-inline.c: Include tree-pretty-print.h.
18455         * tree-into-ssa.c: Include tree-pretty-print.h and
18456         gimple-pretty-print.h.
18457         * tree-nrv.c: Include tree-pretty-print.h.
18458         * tree-object-size.c: Include tree-pretty-print.h and
18459         gimple-pretty-print.h.
18460         * tree-outof-ssa.c: Include tree-pretty-print.h and
18461         gimple-pretty-print.h.
18462         * tree-parloops.c: Include tree-pretty-print.h and
18463         gimple-pretty-print.h.
18464         * tree-predcom.c: Include tree-pretty-print.h and
18465         gimple-pretty-print.h.
18466         * tree-scalar-evolution.c: Include tree-pretty-print.h and
18467         gimple-pretty-print.h.
18468         * tree-sra.c: Include tree-pretty-print.h.
18469         * tree-ssa-address.c: Include tree-pretty-print.h.
18470         * tree-ssa-alias.c: Include tree-pretty-print.h.
18471         * tree-ssa-ccp.c: Include tree-pretty-print.h and
18472         gimple-pretty-print.h.
18473         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
18474         * tree-ssa-copy.c: Include tree-pretty-print.h and
18475         gimple-pretty-print.h.
18476         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
18477         * tree-ssa-dce.c: Include tree-pretty-print.h and
18478         gimple-pretty-print.h.
18479         * tree-ssa-dom.c: Include tree-pretty-print.h and
18480         gimple-pretty-print.h.
18481         * tree-ssa-dse.c: Include gimple-pretty-print.h.
18482         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
18483         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
18484         * tree-ssa-live.c: Include tree-pretty-print.h and
18485         gimple-pretty-print.h.
18486         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
18487         gimple-pretty-print.h.
18488         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
18489         gimple-pretty-print.h.
18490         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
18491         gimple-pretty-print.h.
18492         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
18493         gimple-pretty-print.h.
18494         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
18495         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
18496         * tree-ssa-operands.c: Include tree-pretty-print.h and
18497         gimple-pretty-print.h.
18498         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
18499         gimple-pretty-print.h.
18500         * tree-ssa-pre.c: Include tree-pretty-print.h and
18501         gimple-pretty-print.h.
18502         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
18503         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
18504         gimple-pretty-print.h.
18505         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
18506         gimple-pretty-print.h.
18507         * tree-ssa-sink.c: Include gimple-pretty-print.h.
18508         * tree-ssa-ter.c: Include tree-pretty-print.h and
18509         gimple-pretty-print.h.
18510         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
18511         * tree-ssa.c: Include tree-pretty-print.h and
18512         gimple-pretty-print.h.
18513         * tree-stdarg.c: Include gimple-pretty-print.h.
18514         * tree-switch-conversion.c: Include gimple-pretty-print.h.
18515         * tree-tailcall.c: Include tree-pretty-print.h and
18516         gimple-pretty-print.h.
18517         * tree-vect-data-refs.c: Include tree-pretty-print.h and
18518         gimple-pretty-print.h.
18519         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
18520         gimple-pretty-print.h.
18521         * tree-vect-loop.c: Include tree-pretty-print.h and
18522         gimple-pretty-print.h.
18523         * tree-vect-patterns.c: Include gimple-pretty-print.h.
18524         * tree-vect-slp.c: Include tree-pretty-print.h and
18525         gimple-pretty-print.h.
18526         * tree-vect-stmts.c: Include tree-pretty-print.h and
18527         gimple-pretty-print.h.
18528         * tree-vectorizer.c: Include tree-pretty-print.h.
18529         * tree-vrp.c: Include tree-pretty-print.h and
18530         gimple-pretty-print.h.
18531         * value-prof.c: Include tree-pretty-print.h and
18532         gimple-pretty-print.h.
18533         * var-tracking.c: Include tree-pretty-print.h.
18534         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
18535         (tree-diagnostic.o): New dependencies.
18536         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
18537         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
18538         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
18539         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
18540         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
18541         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
18542         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
18543         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
18544         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
18545         tree-ssa-address.o, tree-ssa-loop-niter.o,
18546         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
18547         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
18548         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
18549         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
18550         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
18551         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
18552         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
18553         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
18554         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
18555         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
18556         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
18557         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
18558         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
18559         tree-switch-conversion.o, var-tracking.o, value-prof.o,
18560         cfgexpand.o, pretty-print.o): Update dependencies.
18561
18562 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
18563
18564         * tree-ssa-structalias.c: Remove tm_p.h from include.
18565
18566 2010-05-21  Jeff Law  <law@redhat.com>
18567
18568         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
18569
18570 2010-05-21  Jason Merrill  <jason@redhat.com>
18571
18572         * tree-eh.c (cleanup_is_dead_in): New.
18573         (lower_try_finally): Don't generate a dead cleanup region.
18574         (lower_cleanup): Likewise.
18575
18576 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
18577
18578         PR debug/44223
18579         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
18580         unchain each use from the cyclic next_regno_use chain first.
18581
18582 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
18583
18584         * real: Do not include gmp.h, mpfr.h, and mpc.h.
18585         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
18586         (real_value_negate, real_value_abs): New prototypes.
18587         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
18588         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
18589         new include file for interface between MPFR and REAL_VALUE_TYPE.
18590         * real.c: Include realmpfr.h.
18591         (real_arithmetic2): Remove legacy function.
18592         (real_value_negate): New.
18593         (real_value_abs): New.
18594         (mfpr_from_real, real_from_mpfr): Move from here...
18595         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
18596         * builtins.c: Include realmpfr.h.
18597         * fold-const.c: Include realmpfr.h.
18598         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
18599         (fold_negate_const): Likewise.
18600         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
18601         * toplev.c: Include realmpfr.h.
18602         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
18603         and real_value_negate.
18604         * fixed-value.c (check_real_for_fixed_mode): Likewise.
18605         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
18606         (vfp3_const_double_index): Likewise.
18607         (arm_print_operand): Likewise.
18608         * Makefile.in: Update dependencies.
18609
18610 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
18611
18612         * config/s390/s390.c (override_options): Increase the default
18613         of max-completely-peel-times.
18614
18615 2010-05-21  Julian Brown  <julian@codesourcery.com>
18616             Mark Mitchell  <mark@codesourcery.com>
18617
18618         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
18619         sibling calls for Thumb-1.
18620         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
18621         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
18622         Thumb-2.
18623         (*call_insn, *call_value_insn): Don't use for Thumb-2.
18624         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
18625         for Thumb-2.
18626         (return): New expander.
18627         (*arm_return): New name for ARM return insn.
18628         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
18629
18630 2010-05-19  Joel Sherrill  <joel.sherrill@oarcorp.com>
18631
18632         * config.gcc (sparc64-*-rtems*): New target.
18633
18634 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
18635
18636         * tree.c (build_function_decl_skip_args): Fix grammar.
18637         (build_function_type_list_1): Fix typos, adjust formatting.
18638
18639 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
18640
18641         * tree.h: Include real.h and fixed-value.h as basic datatypes.
18642         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
18643         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
18644         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
18645         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
18646         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
18647         tree-pretty-print.c, tree-loop-distribution.c,
18648         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
18649         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
18650         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
18651         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
18652         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
18653         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
18654         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
18655         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
18656         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
18657         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
18658         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
18659         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
18660         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
18661         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
18662         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
18663         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
18664         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
18665         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
18666         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
18667         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
18668         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
18669         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
18670         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
18671         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
18672         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
18673         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
18674         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
18675         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
18676         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
18677         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
18678         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
18679         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
18680         config/score/score7.c, config/score/score.c, config/arm/arm.c,
18681         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
18682         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
18683         config/bfin/bfin.c: Clean up redundant includes.
18684         * Makefile.in: Update accordingly.
18685
18686 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
18687
18688         PR middle-end/44204
18689         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
18690         statement has no arguments.
18691
18692 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
18693
18694         PR/44139
18695         * varasm.c (emutls_decl): Merge attributes to new decl.
18696
18697 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
18698
18699         PR middle-end/44101
18700         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
18701         around the uniquized constructor if its type requires a conversion.
18702
18703 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
18704
18705         PR debug/44205
18706         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
18707         at -O0 goto_locus of any of the incoming edges differs from
18708         goto_locus of outgoing edge, or gimple_location of any of the
18709         labels differs.
18710
18711 2009-09-14  Vladimir Makarov  <vmakarov@redhat.com>
18712
18713         * ira.c (ira_non_ordered_class_hard_regs): Define.
18714         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
18715         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
18716         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
18717         cost of unaligned hard regs when allocating multi-reg pseudos.
18718
18719 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
18720
18721         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
18722         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
18723         for TARGET_NO_FLOAT.
18724         * config/mips/mips.c (mips_file_start): Expand conditional expression
18725         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
18726         (mips_override_options): Move -mno-float override -msoft-float and
18727         -mhard-float.
18728         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
18729         Condition(TARGET_SUPPORTS_NO_FLOAT).
18730         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
18731         __mips_no_float here.
18732         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
18733         (TARGET_SUPPORTS_NO_FLOAT): Define.
18734         * config/mips/sdemtk.opt: Delete.
18735
18736 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
18737
18738         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.
18739
18740 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
18741
18742         PR target/43733
18743         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
18744         * configure: Regenerate.
18745         * config.in: Regenerate.
18746         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
18747         instead of sahf only for 64bit targets.
18748
18749 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
18750
18751         PR debug/44178
18752         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
18753         setup_ref_regs for DEBUG_INSNs.
18754
18755 2010-05-20  Jan Hubicka  <jh@suse.cz>
18756
18757         PR middle-end/44197
18758         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
18759
18760 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
18761
18762         PR bootstrap/43870
18763         * df-scan.c (df_ref_compare): Stabilize sort.
18764
18765 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
18766
18767         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
18768         argument.  Don't use DW_OP_piece if offset is non-zero,
18769         put offset into second DW_OP_bit_piece argument.
18770         (dw_sra_loc_expr): Adjust callers.  For memory expressions
18771         compute offset.
18772
18773 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
18774
18775         PR target/44202
18776         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
18777         settings for 16-bit-constant "addo" alternative.
18778
18779 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
18780
18781         * config/mips/mips-dsp.md (add<DSPV:mode>3,
18782         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
18783
18784         PR target/43764
18785         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
18786         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
18787         Use it.
18788
18789 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
18790
18791         * diagnostic.c (FLOAT, FFS): Don't undefine.
18792         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
18793         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
18794         include ordering.
18795
18796 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
18797
18798         * combine.c (propagate_for_debug): Call make_compound_operation
18799         on the source value.
18800         (try_combine): When implementing a split chosen by find_split_point,
18801         either copy i2src or set it to null.  Assert that i2src is not null
18802         before substituting into CALL_INSN_FUNCTION_USAGE.
18803
18804 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
18805
18806         * double-int.h (double_int_ior): New function.
18807         * tree.h (build_int_cst_wide_type): Remove.
18808         * tree.c (build_int_cst_wide_type): Remove.
18809         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
18810         of build_int_cst_wide_type.
18811         * stor-layout.c (set_sizetype): (Ditto.).
18812         * dojump.c (do_jump): Use build_int_cstu instead of
18813         build_int_cst_wide_type.
18814
18815 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
18816
18817         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
18818         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
18819         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
18820         * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
18821         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
18822         propagate the 'data' argument to copy_tree_r.
18823         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
18824         Propagate 'data' argument to walk_tree.
18825         (copy_if_shared): New function.
18826         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
18827         (unmark_visited): New function.
18828         (unshare_body): Call copy_if_shared instead of doing it manually.
18829         (unvisit_body): Call unmark_visited instead of doing it manually.
18830
18831 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
18832
18833         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
18834         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
18835         * hooks.c: Likewise.
18836         * target-def.h (TARGET_FOLD_BUILTIN): Define to
18837         hook_tree_tree_int_treep_bool_null.
18838         * target.h (struct gcc_target): Update signature of fold_builtin
18839         field.
18840         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
18841         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
18842         instead of the call expression.
18843         (fold_builtin_call_array): Pass n and argarray directly.
18844         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
18845         consing a list.
18846         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
18847         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
18848         `i' and use it in place of `arity'.
18849         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
18850         Dereference `args' directly.
18851         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
18852
18853 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18854
18855         * doc/sourcebuild.texi (Effective-Target Keywords): Document
18856         3dnow, sse3, sse2.
18857         (Directives): Document optional dg-require-effective-target
18858         selector.
18859
18860 2010-05-19  Richard Guenther  <rguenther@suse.de>
18861
18862         PR lto/44196
18863         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
18864
18865 2010-05-19  Richard Guenther  <rguenther@suse.de>
18866
18867         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
18868         * common.opt (fwhopr=): New.
18869         * opts.c (common_handle_option): Handle OPT_fwhopr.
18870         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
18871         * collect2.c (main): Match -fwhopr*.
18872         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
18873         Execute ltrans stage in parallel when jobs is bigger than 1.
18874
18875 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
18876
18877         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
18878         pentiumpro on Solaris 8/x86 with Sun as.
18879         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
18880         hidden alias bug.
18881         (gcc_cv_as_ix86_quad): Check for .quad directive.
18882         * configure: Regenerate.
18883         * config.in: Regenerate.
18884         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
18885
18886 2010-05-19  Martin Jambor  <mjambor@suse.cz>
18887
18888         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
18889         also for indirect edges.  Actual printing moved...
18890         (ipa_print_node_jump_functions_for_edge): ...here.
18891         (ipa_compute_jump_functions): Renamed to
18892         ipa_compute_jump_functions_for_edge and made static.
18893         (ipa_compute_jump_functions): New function.
18894         (make_edge_direct_to_target): Check if the number of arguments on
18895         the newly direct edge is the same as the number of parametrs of
18896         the callee.
18897         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
18898         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
18899         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
18900         analysis functions unconditionally, call the new
18901         ipa_analyze_params_uses on the node instead of every edge.
18902
18903 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
18904
18905         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
18906         to tree.
18907         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
18908         also checks for a constant int vs.  non-constant but
18909         loop-invariant steps.
18910         (find_or_create_group): Change the sort algorithm to only consider
18911         steps that are constant ints.
18912         (idx_analyze_ref): Adopt code to handle a tree instead of a
18913         HOST_WIDE_INT for step.
18914         (gather_memory_references_ref): Handle tree instead of int and be
18915         prepared to see a NULL_TREE.
18916         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
18917         prefetches if the step cannot be calculated at compile time.
18918         (issue_prefetch_ref): Issue prefetches for non-constant but
18919         loop-invariant steps.
18920
18921 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
18922
18923         Revert:
18924         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
18925
18926         * tree.h (build_call_list): Remove.
18927         * tree.c (build_call_list): Remove.
18928
18929 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
18930
18931         * tree.h (build_call_list): Remove.
18932         * tree.c (build_call_list): Remove.
18933
18934 2010-05-18  Jan Hubicka  <jh@suse.cz>
18935
18936         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
18937
18938 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
18939
18940         PR rtl-optimization/43332
18941         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
18942
18943 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
18944
18945         * tree.h (build_int_cstu): Implement as static inline.
18946         * tree.c (build_int_cstu): Remove function.
18947         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
18948         sign extended.
18949
18950 2010-05-18  Richard Guenther  <rguenther@suse.de>
18951
18952         PR lto/44143
18953         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
18954         (debug): Initialize from -save-temps.
18955         (collect_execute): Print command-line when verbose.
18956         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
18957         for ltrans invocation.  Produce -dumpbase flag again.
18958         (process_args): Remove.
18959         (main): Simplify.
18960         * collect2.c (maybe_run_lto_and_relink): Only pass object
18961         files to lto-wrapper.
18962         * gcc.c (LINK_COMMAND_SPEC): Likewise.
18963
18964 2010-05-18  Jan Hubicka  <jh@suse.cz>
18965
18966         * opts.c (decode_options): Do not disable whopr at ipa_cp.
18967         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
18968
18969 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
18970
18971         PR lto/44184
18972         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
18973         in a GIMPLE_ASM.
18974         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
18975         in a GIMPLE_ASM.
18976
18977 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
18978
18979         PR debug/41371
18980         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
18981         rtx_equal_p inline.
18982
18983 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
18984
18985         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
18986         lto-macho as lto_binary_reader.
18987
18988         * darwin.c (darwin_asm_named_section): Do not add assembler comment
18989         after .section directive; just print it before the directive instead.
18990
18991 2010-05-17  Jan Hubicka  <jh@suse.cz>
18992
18993         * cgraph.c (cgraph_create_virtual_clone): Only check
18994         versionable_function_p when not in wpa and checking is enabled.
18995         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
18996         there are no more functions to materialize.
18997
18998 2010-05-17  Jan Hubicka  <jh@suse.cz>
18999
19000         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
19001         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
19002         New functions.
19003         (output_cgraph): Call output_cgraph_opt_summary.
19004         (input_cgrpah): Call input_cgraph_opt_summary.
19005         (output_cgraph_opt_summary_p, output_node_opt_summary,
19006         input_node_opt_summary, input_cgraph_opt_section): New functions.
19007         * lto-section-in.c (lto_section_name): Add cgraphopt.
19008         * tree-inline.c (tree_function_versioning): Handle parm_num.
19009         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
19010         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
19011
19012 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
19013
19014         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
19015         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
19016         the insn to prefetch ratio heuristic to loops with known trip count.
19017
19018 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
19019
19020         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
19021         (schedule_prefetches): Do not generate a prefetch if the unroll factor
19022         is far from what is required by the prefetch.
19023
19024 2010-05-17  Jan Hubicka  <jh@suse.cz>
19025
19026         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
19027         (ipcp_estimate_growth): Likewise.
19028         (ipcp_const_param_count): Likewise.
19029         (ipcp_insert_stage): Likewise.
19030         * ipa-prop.c (visit_load_for_mod_analysis): New function.
19031         (visit_store_addr_for_mod_analysis): Set used flag.
19032         (ipa_detect_param_modifications): Set used flag for SSE params;
19033         update use of walk_stmt_load_store_addr_ops.
19034         (ipa_print_node_params): Print used flag.
19035         (ipa_write_node_info): Stream used flag.
19036         (ipa_read_node_info): Likewise.
19037         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
19038         (ipa_is_param_used): New function.
19039         (lto_ipa_fixup_call_notes): Remove unused declaration.
19040
19041 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19042
19043         PR target/44074
19044         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
19045         * configure: Regenerate.
19046         * config.in: Regenerate.
19047         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
19048         !HAVE_AS_IX86_REP_LOCK_PREFIX.
19049         Don't emit whitespace.
19050         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
19051         (*rep_movsi): Likewise.
19052         (*rep_movsi_rex64): Likewise.
19053         (*rep_movqi): Likewise.
19054         (*rep_movqi_rex64): Likewise.
19055         (*rep_stosdi_rex64): Likewise.
19056         (*rep_stossi): Likewise.
19057         (*rep_stossi_rex64): Likewise.
19058         (*rep_stosqi): Likewise.
19059         (*rep_stosqi_rex64): Likewise.
19060         (*cmpstrnqi_nz_1): Use {%;} after repz.
19061         (*cmpstrnqi_nz_rex_1): Likewise.
19062         (*cmpstrnqi_1): Likewise.
19063         (*cmpstrnqi_rex_1): Likewise.
19064         (*strlenqi_1): Use {%;} after repnz.
19065         (*strlenqi_rex_1): Likewise.
19066         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
19067         (*sync_compare_and_swap<mode>): Likewise.
19068         (sync_double_compare_and_swap<mode>): Likewise.
19069         (*sync_double_compare_and_swapdi_pic): Likewise.
19070         (sync_old_add<mode>): Likewise.
19071         (sync_add<mode>): Likewise.
19072         (sync_sub<mode>): Likewise.
19073         (sync_<code><mode>): Likewise.
19074
19075 2010-05-17  Martin Jambor  <mjambor@suse.cz>
19076
19077         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
19078         otr_token and polymorphic.
19079         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
19080         (cgraph_clone_edge): Copy the above fields.
19081         * tree.c (get_binfo_at_offset): New function.
19082         * tree.h (get_binfo_at_offset): Declare.
19083         * ipa-prop.h (enum jump_func_type): Added known_type jump function
19084         type, reordered items, updated comments.
19085         (union jump_func_value): Added base_type field, reordered fields.
19086         (enum ipa_lattice_type): Moved down in the file.
19087         (struct ipa_param_descriptor): New field polymorphic.
19088         (ipa_is_param_polymorphic): New function.
19089         * ipa-prop.c: Include gimple.h and gimple-fold.h.
19090         (ipa_print_node_jump_functions): Print known type jump functions.
19091         (compute_complex_pass_through): Renamed to...
19092         (compute_complex_assign_jump_func): this.
19093         (compute_complex_ancestor_jump_func): New function.
19094         (compute_known_type_jump_func): Likewise.
19095         (compute_scalar_jump_functions): Create known type and complex ancestor
19096         jump functions.
19097         (ipa_note_param_call): New parameter polymorphic, set the corresponding
19098         flag in the call note accordingly.
19099         (ipa_analyze_call_uses): Renamed to...
19100         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
19101         variable var only in the block where it is used.
19102         (ipa_analyze_virtual_call_uses): New function.
19103         (ipa_analyze_call_uses): Likewise.
19104         (combine_known_type_and_ancestor_jfs): Likewise.
19105         (update_jump_functions_after_inlining): Implemented handling of a
19106         number of new jump function types combination.
19107         (print_edge_addition_message): Removed.
19108         (make_edge_direct_to_target): New function.
19109         (try_make_edge_direct_simple_call): Likewise.
19110         (try_make_edge_direct_virtual_call): Likewise.
19111         (update_call_notes_after_inlining): Renamed to...
19112         (update_indirect_edges_after_inlining): this.  Moved edge creation for
19113         indirect calls to try_make_edge_direct_simple_call, also calls
19114         try_make_edge_direct_virtual_call for virtual calls.
19115         (ipa_print_node_params): Changed the header message.
19116         (ipa_write_jump_function): Stream also known type jump functions.
19117         (ipa_read_jump_function): Likewise.
19118         (ipa_write_indirect_edge_info): Stream new fields in
19119         cgraph_indirect_call_info.
19120         (ipa_read_indirect_edge_info): Likewise.
19121         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
19122         GIMPLE_FOLD_H.
19123
19124 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19125
19126         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
19127
19128 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
19129
19130         * tree.h (CALL_EXPR_ARGS): Delete.
19131         (call_expr_arglist): Delete.
19132         * tree.c (call_expr_arglist): Delete.
19133         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
19134         targetm.fold_builtin.
19135         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
19136         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
19137         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
19138         arglist parameter.  Use CALL_EXPR_ARG.
19139         (picochip_expand_builtin_3op): Likewise.
19140         (picochip_expand_builtin_2opvoid): Likewise.
19141         (picochip_expand_array_get): Likewise.
19142         (picochip_expand_array_put): Likewise.
19143         (picochip_expand_array_testport): Likewise.
19144         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
19145         rather than arglist.
19146         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
19147         CALL_EXPR_ARGS.
19148         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
19149         than TREE_VALUE and TREE_CHAIN.
19150         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
19151         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
19152         the arglist.
19153
19154 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
19155
19156         PR bootstrap/42347
19157         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
19158         to have no fallthru edge.
19159
19160         PR middle-end/44102
19161         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
19162         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
19163         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
19164         add BARRIER after previous bb if needed.
19165
19166 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
19167
19168         * tree.c (build_function_type_list_1): Remove bogus assert condition.
19169
19170 2010-05-17  Alan Modra  <amodra@gmail.com>
19171
19172         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
19173         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
19174         with copy_reg rtx param.
19175         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
19176         Correct cases where code for ABI_V4 did not initialise the reg
19177         used to access frame.  Also leave frame_reg_rtx as sp for large
19178         frames that save no regs.
19179
19180 2010-05-17  Martin Jambor  <mjambor@suse.cz>
19181
19182         PR middle-end/44133
19183         * tree-sra.c (create_access_replacement): New parameter rename, mark
19184         the replaement for renaming only when it is true.
19185         (get_access_replacement): Pass true in the rename parameter of
19186         create_access_replacement.
19187         (get_unrenamed_access_replacement): New function.
19188         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
19189         replacement declaration from it.
19190
19191 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
19192
19193         * function.c (try_fit_stack_local, add_frame_space): New static
19194         functions.
19195         (assign_stack_local_1): Use them.  Look for opportunities to use
19196         space previously wasted on alignment.
19197         * function.h (struct frame_space): New.
19198         (struct rtl_data): Add FRAME_SPACE_LIST member.
19199         * reload1.c (something_was_spilled): New static variable.
19200         (alter_reg): Set it.
19201         (reload): Test it in addition to testing if the frame size changed.
19202
19203 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
19204
19205         * config/s390/s390.c: Define sane prefetch settings and activate
19206         flag_prefetch_loop_arrays on -O3.
19207         * config/s390/s390.h: Declare that read can use write prefetch.
19208
19209 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
19210
19211         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
19212         build.
19213
19214 2010-05-16  Jan Hubicka  <jh@suse.cz>
19215
19216         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
19217         function body; do not check stdarg field of struct function.
19218
19219 2010-05-16  Jan Hubicka  <jh@suse.cz>
19220
19221         * cgraph.c (dump_cgraph_node): Dump versionable flag.
19222         * cgraph.h (cgraph_local_info): Add versionable flag.
19223         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
19224         (ipcp_versionable_function_p): Use it.
19225         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
19226         versionable flag.
19227
19228 2010-05-16  Jan Hubicka  <jh@suse.cz>
19229
19230         * cgraph.c (cgraph_clone_node): Take decl argument and insert
19231         clone into hash when it is different from orig.
19232         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
19233         * cgraph.h (cgraph_clone_node): Update prototype.
19234         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
19235         (lto_cgraph_encoder_delete): Delete body map.
19236         (lto_cgraph_encoder_size): Move to header.
19237         (lto_cgraph_encoder_encode_body_p,
19238         lto_set_cgraph_encoder_encode_body): New.
19239         (lto_output_node): Do not take written_decls argument; output clone_of
19240         pointer.
19241         (add_node_to): Add include_body_argument; call
19242         lto_set_cgraph_encoder_encode_body on master of the clone.
19243         (add_references): Update use of add_node_to.
19244         (compute_ltrans_boundary): Likewise.
19245         (output_cgraph): Do not create written_decls bitmap.
19246         (input_node): Take nodes argument; stream in clone_of correctly.
19247         (input_cgraph_1): Update use of input_node.
19248         * lto-streamer-out.c (lto_output): Use encoder info to decide
19249         what bodies to output.
19250         * ipa-inline.c (cgraph_clone_inlined_nodes,
19251         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
19252         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
19253         (lto_cgraph_encoder_size): Define here.
19254         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
19255         Declare.
19256
19257 2010-05-16  Richard Guenther  <rguenther@suse.de>
19258
19259         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
19260         -fipa-type-escape.
19261         * ipa-type-escape.c (gate_type_escape_vars): Run when
19262         -fipa-struct-reorg runs.
19263         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
19264         * common.opt (fipa-type-escape): Remove.
19265
19266 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
19267
19268         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
19269         (decode_options): Likewise.
19270         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
19271
19272 2010-05-16  Jan Hubicka  <jh@suse.cz>
19273
19274         * ipa.c (function_and_variable_visibility): Also bring local all
19275         aliases.
19276
19277 2010-05-16  Richard Guenther  <rguenther@suse.de>
19278
19279         * alias.c (nonoverlapping_memrefs_p): Remove use of
19280         IPA type-escape information.
19281
19282 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
19283
19284         * c-common.c (c_common_reswords): Add _Static_assert for C.
19285         * c-parser.c (c_token_starts_declaration,
19286         c_parser_next_token_starts_declaration,
19287         c_parser_static_assert_declaration_no_semi,
19288         c_parser_static_assert_declaration): New.
19289         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
19290         Handle static assertions if static_assert_ok.
19291         (c_parser_external_declaration, c_parser_declaration_or_fndef,
19292         c_parser_compound_statement_nostart, c_parser_label,
19293         c_parser_for_statement, c_parser_objc_methodprotolist,
19294         c_parser_omp_for_loop): All callers of
19295         c_parser_declaration_or_fndef changed.
19296         (c_parser_struct_declaration): Handle static assertions.
19297         (c_parser_compound_statement_nostart): Use
19298         c_parser_next_token_starts_declaration and
19299         c_token_starts_declaration to detect start of declarations.
19300         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
19301         Likewise.
19302
19303 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
19304
19305         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
19306         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
19307         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
19308         TARGET_FUNCTION_VALUE_REGNO_P): Define.
19309         (mmix_function_outgoing_value): Rename to...
19310         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
19311         (mmix_function_value_regno_p): Make static.
19312         (mmix_libcall_value): New function.
19313         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
19314         mmix_function_value_regno_p): Remove declaration.
19315
19316 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
19317
19318         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
19319         BUILT_IN_ALLOCA if stack checking is enabled.
19320
19321 2010-05-16  Richard Guenther  <rguenther@suse.de>
19322
19323         * var-tracking.c (vars_copy_1): Inline ...
19324         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
19325         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
19326         (variable_merge_over_cur): Adjust.  Merge asserts.
19327         (variable_merge_over_src): Likewise.
19328         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
19329         (variable_post_merge_new_vals): Merge asserts.
19330         (variable_post_merge_perm_vals): Likewise.
19331         (find_mem_expr_in_1pdv): Likewise.
19332         (dataflow_set_different_value): Remove.
19333         (onepart_variable_different_p): Merge asserts.
19334         (variable_different_p): Likewise.
19335         (dataflow_set_different_1): Inline ...
19336         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
19337         (emit_notes_for_differences_1): Merge asserts.
19338
19339 2010-05-16  Richard Guenther  <rguenther@suse.de>
19340
19341         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
19342         * optabs.c (libfunc_decl_hash): Likewise.
19343         * varasm.c (emutls_decl): Likewise.
19344
19345 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
19346
19347         * c-decl.c: Don't include gimple.h.
19348         (merge_decls): Do not copy gimple_body.
19349
19350 2010-05-15  Jason Merrill  <jason@redhat.com>
19351
19352         * c.opt: Add -fnothrow-opt.
19353
19354 2010-05-15  Jan Hubicka  <jh@suse.cz>
19355
19356         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
19357         analyzed.
19358         * passes.c (ipa_write_summaries): Write all analyzed nodes.
19359
19360 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
19361
19362         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
19363         * Makefile.in: Add it.
19364         Fix all other Makefile dependencies for changes below.
19365         * tree.h: Include it instead of defining VEC primitives here.
19366         * gimple.h: Likewise.
19367         * rtl.h: Likewise.
19368         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
19369         * except.h: Include vecir.h, break dependence on tree.h.
19370
19371         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
19372         Move from here...
19373         * tree-iterator.c: ...to here.
19374         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
19375
19376         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
19377         tm_p.h.
19378         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
19379         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
19380         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
19381         tree-mudflap.h, and target.h.
19382         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
19383         predict.h, tree-inline.h, gimple.h, and langhooks.h.
19384         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
19385         Add FIXME for why gimple.h is still included (should be unnecessary
19386         since GCC 4.5 gimplification unit-at-a-time).
19387         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
19388         * c-pragma.c: Add FIXME for why function.h needs to be included just
19389         for cfun, at front-end level.
19390         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
19391         Do not include ggc.h, but include vecprim.h for VEC(char).
19392         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
19393         Explain why target.h is included.
19394         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
19395         Explain why gimple.h is included.
19396         * c-ppoutput.c: Do not include tm.h.
19397         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
19398         * c-parses.c: Explain why rtl.h is included, and that this (and only
19399         this) is also why tm.h must be included.
19400         Do not include except.h.
19401         * c-lang.c: Do not include ggc.h.
19402
19403 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
19404
19405         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
19406
19407 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
19408
19409         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
19410         unions by default if those structs and unions have no tags.  Do
19411         not condition anonymous struct and unions handling on flag_iso.
19412         Allow anonymous structs and unions for C1X.
19413         (finish_struct): Do not diagnose lack of named fields when
19414         anonymous structs and unions present for C1X.  Accept flexible
19415         array members in structure with anonymous structs or unions but no
19416         directly named fields.
19417         * doc/extend.texi (Unnamed Fields): Update.
19418
19419 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
19420
19421         * gimple.h (compare_field_offset): Rename into...
19422         (gimple_compare_field_offset): ...this.
19423         * gimple.c (compare_field_offset): Rename into...
19424         (gimple_compare_field_offset): ...this.  Compare the full access if
19425         the offset is self-referential.
19426         (gimple_types_compatible_p): Adjust for above renaming.
19427         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
19428         DECL_NONADDRESSABLE_P flag of fields before merging them.
19429
19430 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
19431
19432         * tree.h (ctor_to_list): Delete.
19433         * tree.c (ctor_to_list): Delete.
19434
19435 2010-05-15  Jan Hubicka  <jh@suse.cz>
19436
19437         * ipa-reference.c: Include toplev.h
19438         (is_proper_for_analysis): Only add to all_module_statics
19439         if it is allocated.
19440         (write_node_summary_p, stream_out_bitmap,
19441         ipa_reference_write_optimization_summary,
19442         ipa_reference_read_optimization_summary): New.
19443         (struct ipa_opt_pass_d pass_ipa_reference): Add
19444         optimization summary streaming.
19445         * lto-cgraph.c (referenced_from_this_partition_p,
19446         reachable_from_this_partition_p): New functions.
19447         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
19448         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
19449         * opts.c (decode_options): Enable ipa_reference.
19450         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
19451         * lto-streamer.h (referenced_from_this_partition_p,
19452         reachable_from_this_partition_p): Declare.
19453
19454 2010-05-15  Richard Guenther  <rguenther@suse.de>
19455
19456         PR tree-optimization/44038
19457         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
19458         taking the address of a V_C_E of a constant.
19459
19460 2010-05-14  Jan Hubicka  <jh@suse.cz>
19461
19462         * tree.h (memory_identifier_string): Remove.
19463         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
19464         (ipa_reference_global_vars_info_d): Remove statics_not_read and
19465         statics_not_written.
19466         (ipa_reference_optimization_summary_d): New structure.
19467         (ipa_reference_optimization_summary_t): New type and vector.
19468         (ipa_reference_vars_info_d): Embedd structures instead of using
19469         pointers.
19470         (reference_vars_to_consider): Remove out of GGC space.
19471         (module_statics_escape): Remove.
19472         (global_info_obstack): Rename to ...
19473         (optimization_summary_obstack): ... this one.
19474         (initialization_status_t): Remove.
19475         (memory_identifier_string): Remove.
19476         (get_reference_vars_info): Fix indenting.
19477         (set_reference_vars_info): Likewise.
19478         (get_reference_optimization_summary): New.
19479         (set_reference_optimization_summary): New.
19480         (get_global_reference_vars_info): Remove.
19481         (ipa_reference_get_read_global): Remove.
19482         (ipa_reference_get_written_global): Remove.
19483         (ipa_reference_get_not_read_global): Update.
19484         (ipa_reference_get_not_written_global): Update.
19485         (is_proper_for_analysis): Outlaw addressable.
19486         (propagate_bits): Update for new datastructures.
19487         (analyze_variable): Remove.
19488         (init_function_info): Update for new datastructures.
19489         (clean_function_local_data): Remove.
19490         (clean_function): Remove.
19491         (copy_global_bitmap): Use optimizations_summary_obstack.
19492         (duplicate_node_data): Duplicate optimization summary only.
19493         (remove_node_data): Remove optimization summary only.
19494         (generate_summary): Do not analyze variables; do not compute
19495         module_statics_escape; do not prune solutions by it.
19496         (read_write_all_from_decl): Fix typos in comments.
19497         (propagate): Doscover readonly and nonaddressable first;
19498         update for new datastructures; share global bitmaps.
19499         * ipa-reference.h (ipa_reference_get_read_global,
19500         ipa_reference_get_written_global): Remove.
19501         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
19502         * Makefile.in: Remove ipa-refereference from GT files.
19503
19504 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
19505
19506         PR debug/44112
19507         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
19508         for all SYMBOL_REF_DECLs.
19509
19510 2010-05-14  Jan Hubicka  <jh@suse.cz>
19511
19512         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
19513         (varpool_all_refs_explicit_p): New inline function.
19514         * ipa-reference.c: Update comment.
19515         (module_statics_written): Remove.
19516         (get_static_decl): Remove.
19517         (ipa_init): Do not initialize module_statics_written.
19518         (analyze_function): Likewise.
19519         (generate_summary): Likewise; do not compute module_statics_readonly
19520         and do not update variable flags.
19521         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
19522         * ipa.c: Inlucde flags.h
19523         (cgraph_local_node_p): New.
19524         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
19525         promote functions to local.
19526         (ipa_discover_readonly_nonaddressable_vars): New function.
19527         (function_and_variable_visibility): Use cgraph_local_node_p.
19528         * varpool.c (varpool_finalize_decl): Set force_output for
19529         DECL_PRESERVE_P vars.
19530
19531 2010-05-14  Jan Hubicka  <jh@suse.cz>
19532
19533         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
19534
19535 2010-05-14  Richard Guenther  <rguenther@suse.de>
19536
19537         PR tree-optimization/44119
19538         * tree-ssa-pre.c (eliminate): Properly mark replacement of
19539         a PHI node necessary.
19540
19541 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
19542
19543         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
19544
19545 2010-05-14  Jason Merrill  <jason@redhat.com>
19546
19547         PR c++/44127
19548         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
19549         (gimple_call_set_nothrow): New.
19550         * gimple.c (gimple_build_call_from_tree): Call it.
19551         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
19552
19553         PR c++/44127
19554         * gimplify.c (gimplify_seq_add_stmt): No longer static.
19555         * gimple.h: Declare it.
19556         * gimple.c (gimple_build_eh_filter): No ops.
19557
19558 2010-05-14  Jan Hubicka  <jh@suse.cz>
19559
19560         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
19561         nodes already in queue.
19562         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
19563         re-enqueueing node.
19564
19565 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
19566
19567         PR debug/44136
19568         * cfgexpand.c (expand_debug_expr): If non-memory op0
19569         has BLKmode, return NULL.
19570
19571 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
19572
19573         * config.gcc: Add support for --with-cpu option for bdver1.
19574         * config/i386/i386.h (TARGET_BDVER1): New macro.
19575         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
19576         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
19577         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
19578         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
19579         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
19580         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
19581         (processor_type): Add PROCESSOR_BDVER1.
19582         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
19583         processor_type in config/i386/i386.h.
19584         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
19585         movaps <reg, reg> instead of movapd <reg, reg> when replacing
19586         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
19587         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
19588         to emit packed xor instead of packed double/packed integer
19589         xor for SSE and AVX when moving a zero value.
19590         * config/i386/sse.md: Add check for
19591         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
19592         movapd/movdqa for SSE and AVX.
19593         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
19594         single logical operations i.e and, or and xor instead of packed double
19595         logical operations for SSE and AVX.
19596         * config/i386/i386-c.c (ix86_target_macros_internal):
19597         Add PROCESSOR_BDVER1.
19598         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
19599         (has_fma4, has_xop): New.
19600         * config/i386/i386.c (bdver1_cost): New variable.
19601         (m_BDVER1): New macro.
19602         (m_AMD_MULTIPLE): Add m_BDVER1.
19603         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
19604         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
19605         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
19606         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
19607         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
19608         x86_tune_sse_partial_reg_dependency,
19609         x86_tune_sse_unaligned_load_optimal,
19610         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
19611         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
19612         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
19613         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
19614         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
19615         Enable/disable for bdver1.
19616         (processor_target_table): Add bdver1_cost.
19617         (cpu_names): Add bdver1.
19618         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
19619          processor_alias_table.
19620         (ix86_expand_vector_move_misalign): Change.
19621         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
19622         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
19623         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
19624         of movupd/movdqu for SSE and AVX.
19625         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
19626         (ix86_tune_adjust_cost): Add code for bdver1.
19627         (standard_sse_constant_opcode): Add check for
19628         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
19629         of packed double xor for SSE and AVX.
19630
19631 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
19632
19633         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
19634         result to unsigned.
19635
19636 2010-05-14  Tristan Gingold  <gingold@adacore.com>
19637
19638         * toplev.c (default_debug_hooks): Remove this variable.
19639         (process_options): Remove assignments to default_debug_hooks.
19640
19641 2010-05-14  Martin Jambor  <mjambor@suse.cz>
19642
19643         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
19644         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
19645         * langhooks.h (struct lang_hooks_for_decls): Removed field
19646         fold_obj_type_ref.
19647         * tree.c (free_lang_data): Remove assignment to
19648         lang_hooks.fold_obj_type_ref.
19649         * tree.def (OBJ_TYPE_REF): Update comment.
19650
19651 2010-05-14  Richard Guenther  <rguenther@suse.de>
19652
19653         PR tree-optimization/44124
19654         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
19655
19656 2010-05-14  Alan Modra  <amodra@gmail.com>
19657
19658         PR target/44075
19659         * config/rs6000/rs6000.c (struct machine_function): Reorder
19660         fields for better packing.  Add lr_save_state.
19661         (rs6000_ra_ever_killed): Return lr_save_state if set.
19662         (rs6000_emit_eh_reg_restore): Set lr_save_state.
19663
19664 2010-05-13  Jan Hubicka  <jh@suse.cz>
19665
19666         * varpool.c (decide_is_variable_needed): Drop code checking
19667         TREE_SYMBOL_REFERENCED.
19668
19669 2010-05-13  Jan Hubicka  <jh@suse.cz>
19670
19671         * final.c (output_addr_const): Do not call mark_decl_referenced.
19672         * cgraphunit.c (process_function_and_variable_attributes): Use
19673         mark_needed_node dirrectly.
19674         (assemble_thunk): Do not call mark_decl_referenced.
19675
19676 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
19677
19678         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
19679
19680 2010-05-13  Jeff Law  <law@redhat.com>
19681
19682         * ira-conflicts.c (print_allocno_conflicts): New function broken out
19683         from...
19684         (print_conflicts): Call print_allocno_conflicts.
19685
19686 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
19687
19688         PR debug/44104
19689         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
19690         if it is NULL.
19691
19692 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
19693
19694         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
19695         t-mingw-w64 or t-mingw-w32 for multilib configuration.
19696         * config/i386/t-mingw-w32: New.
19697         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
19698
19699 2010-05-13  Martin Jambor  <mjambor@suse.cz>
19700
19701         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
19702         gimple-fold.c).
19703         * gimple-fold.c (get_base_binfo_for_type): New function.
19704         (gimple_get_relevant_ref_binfo): Likewise.
19705         (gimple_fold_obj_type_ref_known_binfo): Likewise.
19706         (gimple_fold_obj_type_ref): Likewise.
19707         (fold_gimple_call): Simplify condition for folding virtual calls
19708         and call gimple_fold_obj_type_ref.
19709         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
19710         (gimple_fold_obj_type_ref_known_binfo): Likewise.
19711
19712 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
19713
19714         * config/rs6000/rs6000-protos.h
19715         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
19716         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
19717         (rs6000_debug_mode_dependent_address)
19718         (rs6000_mode_dependent_address_ptr): Likewise.
19719
19720 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
19721
19722         PR debug/43983
19723         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
19724         by SRA.
19725         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
19726         * tree-sra.c (create_access_replacement): Call unshare_expr before
19727         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
19728         * dwarf2out.c: Include tree-flow.h.
19729         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
19730         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
19731         Handle DW_OP_bit_piece.
19732         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
19733         construct_piece_list, adjust_piece_list): New functions.
19734         (add_var_loc_to_decl): Handle SRA optimized variables.
19735         Adjust for var_loc_note to loc field renaming.
19736         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
19737         in VAR_LOCATION note.
19738         (new_loc_descr_op_bit_piece): New function.
19739         (dw_sra_loc_expr): New function.
19740         (dw_loc_list): Use it.  Don't handle the last range after the
19741         loop, handle it inside of the loop.  Adjust for var_loc_note
19742         to loc field renaming.
19743         (add_location_or_const_value_attribute): Only special case
19744         single entry loc lists if loc is NOTE_P.  Adjust for
19745         var_loc_note to loc field renaming.
19746         (dwarf2out_var_location): Don't set newloc->var_loc_note
19747         and newloc->next here.
19748
19749 2010-05-12  Jan Hubicka  <jh@suse.cz>
19750
19751         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
19752         flag.
19753         * cgraph.h (cgraph_only_called_directly_p,
19754         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
19755         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
19756         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
19757         (assemble
19758         * ipa.c (cgraph_remove_unreachable_nodes): Use
19759         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
19760         flags.
19761         * tree-inline.c (copy_bb): Check address_taken flag.
19762         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
19763         externally_visible flag.
19764
19765 2010-05-12  Jason Merrill  <jason@redhat.com>
19766
19767         PR bootstrap/44048
19768         PR target/44099
19769         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
19770         * sdbout.c (plain_type_1): Likewise.
19771         * dwarf2out.c (is_base_type): Likewise.
19772         (gen_type_die_with_usage): Likewise.  Generate
19773         DW_TAG_unspecified_type for any LANG_TYPE.
19774
19775 2010-05-12  Jan Hubicka  <jh@suse.cz>
19776
19777         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
19778         indrect edges too.
19779         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
19780         (cgraph_clone_edge): Update.
19781         (cgraph_node_remove_callees): Remove indirect calls too.
19782         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
19783         (cgraph_create_indirect_edge): Update prototype.
19784         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
19785         is_proper_for_analysis.
19786         (add_new_function, visited_nodes, function_insertion_hook_holder,
19787         get_local_reference_vars_info, mark_address_taken, mark_address,
19788         mark_load, mark_store, check_asm_memory_clobber, check_call,
19789         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
19790         (ipa_init): Do not initialize visited_nodes;
19791         function_insertion_hook_holder.
19792         (analyze_variable): Rewrite.
19793         (analyze_function): Rewrite.
19794         (copy_local_bitmap): Remove.
19795         (duplicate_node_dat): Do not duplicate local info.
19796         (generate_summary): Simplify to only walk cgraph.
19797         (write_node_summary_p, ipa_reference_write_summary,
19798         ipa_reference_read_summary): Remove.
19799         (propagate): Do not remove function insertion;
19800         generate summary.
19801         (pass_ipa_reference): NULLify summary handling fields.
19802         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
19803         (input_edge): Input ecf_flags.
19804         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
19805         (update_indirect_edges_after_inlining): Ignore edges with unknown
19806         param.
19807
19808 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
19809
19810         * implicit-zee.c: New file.
19811         * tree-pass.h (pass_implicit_zee): Declare.
19812         * passes.c (init_optimization_passes): Add zee pass.
19813         * common.opt (fzee): New flag.
19814         * timevar.def (TV_ZEE): Define.
19815         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
19816         and beyond.
19817         * Makefile.in (implicit-zee.o): Add new build file.
19818
19819 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
19820             Nathan Froyd  <froydnj@codesourcery.com>
19821
19822         * c-common.c (sync_resolve_params): Remove write-only variable.
19823
19824 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
19825
19826         * target.h (struct gcc_target): Add mode_dependent_address_p field.
19827         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
19828         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
19829         * targhooks.c (default_mode_dependent_address_p): New function.
19830         * targhooks.h (default_mode_dependent_address_p): Declare function.
19831         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
19832         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
19833         * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
19834         target hook. Change return type to bool.
19835         * recog.h (mode_dependent_address_p): Change return type to bool.
19836
19837 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
19838             Nathan Froyd  <froydnj@codesourcery.com>
19839
19840         * tree-mudflap.c (build_function_type_0, build_function_type_1,
19841         build_function_type_2, build_function_type_3): Remove.
19842         (mudflap_init): Use build_function_type_list.
19843
19844 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
19845             Nathan Froyd  <froydnj@codesourcery.com>
19846
19847         * coverage.c (build_fn_info_value): Call build_constructor instead of
19848         build_constructor_from_list.
19849         (build_ctr_info_value): Likewise.
19850         (build_gcov_info): Likewise.
19851
19852 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
19853
19854         * tree.c (build_constructor): Compute TREE_CONSTANT for the
19855         resultant constructor.
19856         (build_constructor_single): Don't set TREE_CONSTANT.
19857         (build_constructor_from_list): Don't compute TREE_CONSTANT.
19858
19859 2010-05-12  Jan Hubicka  <jh@suse.cz>
19860
19861         * cgraph.h (struct varpool_node): Add aux.
19862         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
19863         * varpool.c (varpool_remove_node): Do not remove initializer.
19864         (varpool_reset_queue): Export.
19865         (varpool_finalize_decl): Volatile vars are forced to be output.
19866         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
19867         replaced decl.
19868         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
19869         process_references, varpool_can_remove_if_no_refs): New functions.
19870         (cgraph_remove_unreachable_nodes): Handle variables too.
19871
19872 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
19873
19874         PR target/44088
19875         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
19876
19877 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
19878
19879         PR middle-end/44085
19880         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
19881         change value of ORT_TASK.
19882         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
19883         (omp_notice_threadprivate_variable): New function.
19884         (omp_notice_variable): Call it for threadprivate variables.
19885         If enclosing ctx is a task, print enclosing task rather than
19886         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
19887         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
19888         if task has untied clause.
19889
19890         PR debug/42278
19891         * dwarf2out.c (base_type_die): Don't add name attribute here.
19892         (modified_type_die): Instead of sizetype use
19893         its underlying original type.  If a DW_TAG_base_type doesn't
19894         have name added, add __unknown__.
19895         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
19896         always call force_type_die instead.
19897
19898 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
19899
19900         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
19901         for __stack_chk_guard.
19902
19903 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
19904
19905         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
19906         don't call start_source_file debug hook here...
19907         (finish_options): ... but here, after outputting predefined and
19908         command line defines and undefs.
19909
19910         PR middle-end/44071
19911         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
19912         no fallthru edge.
19913         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
19914         optimizing away empty bb with no successors, move over its
19915         footer chain to fallthru predecessor.
19916         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
19917         (rtl_split_edge): For asm goto call patch_jump_insn even if
19918         splitting fallthru edge.
19919
19920         PR c++/44059
19921         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
19922         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
19923         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
19924         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
19925         on DW.ref.* decls.
19926
19927         PR c++/44062
19928         * c-parser.c (c_parser_expression): Mark LHS of a comma
19929         expression as read if it is a decl, handled component or
19930         COMPOUND_EXPR with that on the RHS.
19931         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
19932         if it is a decl or handled component.
19933
19934 2010-05-11  Jan Hubicka  <jh@suse.cz>
19935
19936         * lto-symtab.c (lto_symtab_free): New function.
19937         * lto-streamer.h (lto_symtab_free): Declare.
19938
19939 2010-05-11  Jan Hubicka  <jh@suse.cz>
19940
19941         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
19942         that if function is needed it is reachable.
19943         (lto_output_node): See if it the function is reachable or referenced.
19944         (output_cgraph): Update call of lto_output_node.
19945         * lto-streamer.h (reachable_from_other_partition_p): Declare.
19946
19947 2010-05-11  Jan Hubicka  <jh@suse.cz>
19948
19949         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
19950         Mark as used.
19951
19952 2010-05-11  Jan Hubicka  <jh@suse.cz>
19953
19954         PR tree-optimize/44063
19955         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
19956         queue.
19957         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
19958         limits.
19959         (estimate_function_body_sizes): Compute sizes even when disregarding.
19960
19961 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
19962
19963         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
19964
19965 2010-05-11  Jan Hubicka  <jh@suse.cz>
19966
19967         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
19968         into every boundary.
19969
19970 2010-05-11  Jan Hubicka  <jh@suse.cz>
19971
19972         * matrix-reorg.c (matrix_reorg): Rebuild edges.
19973
19974 2010-05-11  Jan Hubicka  <jh@suse.cz>
19975
19976         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
19977         lto_streamer_cache_delete): Put nodes into heap.
19978         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
19979         heap.
19980
19981 2010-05-11  Jan Hubicka  <jh@suse.cz>
19982
19983         * cgraphbuild.c (cgraph_rebuild_references): New.
19984         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
19985         out extern inlines.
19986         * cgraph.h (cgraph_rebuild_references): Declare.
19987         * tree-inline.c (tree_function_versioning): Use it.
19988         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
19989
19990 2010-05-11  Jan Hubicka  <jh@suse.cz>
19991
19992         * cgraph.c: Include ipa-utils.h
19993         (cgraph_create_virtual_clone): Update references.
19994         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
19995
19996 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
19997
19998         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
19999         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
20000         cache size.
20001
20002 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
20003
20004         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
20005
20006 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
20007
20008         * gcc.c (execute): For -### don't quote arguments that
20009         contain just alphanumerics and _/-. characters.
20010         * doc/invoke.texi: Document that change for -###.
20011
20012         PR debug/44023
20013         * df-problems.c (struct dead_debug): Add to_rescan field.
20014         (dead_debug_init): Clear to_rescan field.
20015         (dead_debug_finish): Rescan all debug insns in to_rescan
20016         bitmap and free the bitmap.
20017         (dead_debug_insert_before): Instead of rescanning debug insns
20018         immediately queue their rescanning until dead_debug_finish.
20019         (df_note_bb_compute): After dead_debug_add do continue instead
20020         of break.
20021
20022 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
20023
20024         PR debug/44028
20025         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
20026         clear also INSN_REG_USE_LIST.
20027
20028 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20029
20030         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
20031
20032 2010-05-10  Jan Hubicka  <jh@suse.cz>
20033
20034         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
20035         commited change.
20036
20037 2010-05-10  Jan Hubicka  <jh@suse.cz>
20038
20039         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
20040         Allocate encoders.
20041         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
20042         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
20043         (lto_streamer_cache_create): Init alloc pool.
20044         (lto_streamer_cache_delete): Free alloc pool.
20045         * lto-streamer.h: Include alloc pool.
20046         (lto_streamer_cache_d): Use alloc pool.
20047         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
20048
20049 2010-05-10  Jan Hubicka  <jh@suse.cz>
20050
20051         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
20052         * cgraphbuild.c: Include except.h
20053         (record_type_list, record_eh_tables): New function.
20054         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
20055
20056 2010-05-10  Jan Hubicka  <jh@suse.cz>
20057
20058         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
20059         __frame_dummy_init_array_entry, force_to_data): Attribute as used
20060         rather than unused.
20061
20062 2010-05-10  Michael Matz  <matz@suse.de>
20063
20064         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
20065         (can_reassociate_p): Use FLOAT_TYPE_P.
20066         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
20067         (vect_force_simple_reduction): ... this.
20068         * tree-parloops.c (gather_scalar_reductions): Use
20069         vect_force_simple_reduction.
20070         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
20071         vect_is_simple_reduction, add modify argument, if true rewrite
20072         "a-b" into "a+(-b)".
20073         (vect_is_simple_reduction, vect_force_simple_reduction): New
20074         functions.
20075         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
20076
20077 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
20078             Vladimir Makarov  <vmakarov@redhat.com>
20079
20080         PR rtl-optimization/44012
20081         * ira-build.c (remove_unnecessary_allocnos): Nullify
20082         regno_allocno_map of the removed allocno.
20083
20084 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20085
20086         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
20087         to /dev/null.
20088         * configure: Regenerate.
20089
20090 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20091
20092         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
20093         unused.
20094         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
20095         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
20096         support in Sun ld.
20097         * configure: Regenerate.
20098
20099 2010-05-10  Richard Guenther  <rguenther@suse.de>
20100
20101         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
20102         marked if the entry identifier is marked.
20103
20104 2010-05-10  Richard Guenther  <rguenther@suse.de>
20105
20106         * c-common.c (struct c_common_attributes): Add fnspec attribute.
20107         (handle_fnspec_attribute): New function.
20108         * gimple.h (gimple_call_return_flags): Declare.
20109         (gimple_call_arg_flags): Likewise.
20110         * gimple.c (gimple_call_arg_flags): New function.
20111         (gimple_call_return_flags): Likewise.
20112         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
20113         New argument flags.
20114         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
20115         return value flags.
20116         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
20117         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
20118         main work to ...
20119         (make_heapvar_for): ... this new function.
20120         (handle_rhs_call): Handle fnspec attribute argument specifiers.
20121         (handle_lhs_call): Likewise.
20122         (find_func_aliases): Adjust.
20123
20124 2010-05-10  Richard Guenther  <rguenther@suse.de>
20125
20126         PR tree-optimization/44050
20127         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
20128
20129 2010-05-10  Wei Guozhi  <carrot@google.com>
20130
20131         PR target/42879
20132         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
20133
20134 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
20135
20136         PR c/10676
20137         * c-typeck.c (lookup_field): Take a type directly.  Update
20138         recursive calls.
20139         (build_component_ref): Update call to lookup_field.
20140         (set_init_label): Use lookup_field to find initialized field.
20141         Handle returned list of fields like a sequence of designators.
20142
20143 2010-05-09  Richard Guenther  <rguenther@suse.de>
20144
20145         PR middle-end/44024
20146         * fold-const.c (tree_single_nonzero_warnv_p): Properly
20147         handle &FUNCTION_DECL.
20148
20149 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
20150
20151         PR c/4784
20152         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
20153         structures and unions recursively.
20154         (detect_field_duplicates): Move duplicate detection with a hash to
20155         detect_field_duplicates_hash.  Always use a hash if anonymous
20156         structures or unions are present.
20157         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
20158         give errors.
20159
20160 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
20161
20162         PR target/44046
20163         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
20164         detect Atom, Core 2 and Core i7.
20165
20166 2010-05-09  Richard Guenther  <rguenther@suse.de>
20167
20168         * gcc.c (store_arg): Handle temporary file deletion for
20169         joined arguments.
20170
20171 2010-05-09  Richard Guenther  <rguenther@suse.de>
20172
20173         PR middle-end/44043
20174         * ipa-inline.c (estimate_function_body_sizes): Return after
20175         disregarding inline limits.
20176
20177 2010-05-09  Richard Guenther  <rguenther@suse.de>
20178
20179         * gcc.c (store_arg): Revert last change.
20180
20181 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
20182
20183         PR middle-end/28685
20184         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
20185         (optimize_ops_list): Call it.
20186
20187 2010-05-08  Richard Guenther  <rguenther@suse.de>
20188
20189         PR tree-optimization/44030
20190         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
20191         NECESSARY flag if we propagate from a inserted expression.
20192
20193 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
20194
20195         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
20196         domain types as equal if they are both PLACEHOLDER_EXPRs.
20197
20198 2010-05-08  Richard Guenther  <rguenther@suse.de>
20199
20200         * lto-wrapper.c (run_gcc): Remove linker output from
20201         command line for LTRANS invocation.
20202
20203 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
20204
20205         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
20206         lto-macho as lto_binary_reader.
20207         * target.h (struct gcc_target): New hooks lto_start and lto_end.
20208         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
20209         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
20210         in lto_start and lto_end calls.
20211         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
20212         magic numbers.
20213         (scan_prog_file): Update is_elf_or_coff call.
20214         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
20215
20216         * collect2.c (main): Fix enum comparison.
20217
20218         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
20219         Add prototypes.
20220         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
20221         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
20222         and TARGET_ASM_LTO_END.
20223         * darwin.c: Include obstack.h and lto-streamer.h.
20224         (lto_section_names_offset, lto_section_names_obstack,
20225         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
20226         global variables.
20227         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
20228         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
20229         to a temporary file.
20230         (darwin_asm_lto_end): New function.  Restore asm_out_file.
20231         (darwin_asm_named_section): For LTO sections, replace the name with
20232         the offset of the section name in a string table, and build this
20233         table.
20234         (darwin_file_start): Initialize global vars for LTO support.
20235         (darwin_file_end): If output to asm_out_file was redirected, append it
20236         to the proper asm_out_file here.  Add the section names section.
20237
20238 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
20239
20240         * c-pragma.c (pending_weak_d, pending_weak): New.
20241         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
20242         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
20243         handle_pragma_weak): Update the uses of pending_weaks.
20244
20245 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20246
20247         PR documentation/44016
20248         * doc/standards.texi (Standards): Link to unversioned
20249         cxx0x_status.html page.
20250
20251 2010-05-07  Iain Sandoe  <iains@gcc.gnu.org>
20252
20253         PR target/43708
20254         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
20255         in addition to TREE_USED, to avoid "set but unused" warnings.
20256
20257 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
20258
20259         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
20260         (is_loop_prefetching_profitable): Do not insert prefetches
20261         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
20262         times the prefetch ahead distance.
20263
20264 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
20265
20266         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
20267         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
20268         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
20269         the unroll_factor.
20270
20271 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
20272
20273         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
20274         a diagnostic info when the insn-to-mem ratio is too small.
20275
20276 2010-05-07  Richard Guenther  <rguenther@suse.de>
20277
20278         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
20279         the linker plugin.
20280         (store_arg): Queue temp_filename for deletion instead of
20281         the whole argument.
20282
20283 2010-05-07  Richard Guenther  <rguenther@suse.de>
20284
20285         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
20286         (run_gcc): Handle LTRANS phase invocation.
20287         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
20288
20289 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
20290
20291         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
20292         this is also meaningful on PARM_DECLs and RESULT_DECLs.
20293
20294 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20295
20296         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
20297
20298 2010-05-07  Richard Guenther  <rguenther@suse.de>
20299
20300         PR tree-optimization/44020
20301         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
20302         code when PRE is not yet initialized.
20303
20304 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20305
20306         * config/mips/dbxmdebug.h: Remove.
20307         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
20308
20309 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
20310
20311         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
20312         with null pointer and also warn about ordered comparison of zero with
20313         pointer if -Wextra.
20314
20315 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
20316
20317         * graphite-blocking.c
20318         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
20319         * graphite-clast-to-gimple.c
20320         (clast_to_gcc_expression): Same.
20321         (precision_for_value): Same.
20322         (precision_for_interval): Same.
20323         (gcc_type_for_interval): Same.
20324         (graphite_create_new_guard): Same.
20325         (compute_bounds_for_level): Same.
20326         (graphite_create_new_loop_guard): Same.
20327         * graphite-interchange.c
20328         (build_linearized_memory_access): Same.
20329         (pdr_stride_in_loop): Same.
20330         (memory_strides_in_loop_1): Same.
20331         (memory_strides_in_loop): Same.
20332         (extend_scattering): Same.
20333         (psct_scattering_dim_for_loop_depth): Same.
20334         (pbb_number_of_iterations): Same.
20335         * graphite-poly.h
20336         (debug_iteration_domains): Same.
20337         * graphite-ppl.c
20338         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
20339         (ppl_set_inhomogeneous_gmp): Same.
20340         (ppl_strip_loop): Same.
20341         (ppl_lexico_compare_linear_expressions): Same.
20342         (ppl_read_polyhedron_matrix): Same.
20343         (ppl_max_for_le_pointset): Same.
20344         * graphite-ppl.h
20345         (ppl_read_polyhedron_matrix): Same.
20346         (tree_int_to_gmp): Same.
20347         (gmp_cst_to_tree): Same.
20348         (ppl_set_inhomogeneous): Same.
20349         (ppl_set_inhomogeneous_tree): Same.
20350         (ppl_set_coef): Same.
20351         (ppl_set_coef_tree): Same.
20352         * graphite-sese-to-poly.c
20353         (build_pbb_scattering_polyhedrons): Same.
20354         (build_scop_scattering): Same.
20355         (scan_tree_for_params_right_scev): Same.
20356         (scan_tree_for_params): Same.
20357         (find_params_in_bb): Same.
20358         (find_scop_parameters): Same.
20359         (add_upper_bounds_from_estimated_nit): Same.
20360         (build_loop_iteration_domains): Same.
20361         (add_condition_to_domain): Same.
20362         (pdr_add_memory_accesses): Same.
20363
20364 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
20365
20366         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
20367         CLooG's value_* macros to their respective mpz_* counterparts.
20368         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
20369         (graphite_create_new_loop_guard): Same.
20370         * graphite-interchange.c (build_linearized_memory_access): Same.
20371         (pdr_stride_in_loop): Same.
20372         (memory_strides_in_loop_1): Same.
20373         (1st_interchange_profitable_p): Same.
20374         * graphite-poly.c (extend_scattering): Same.
20375         (psct_scattering_dim_for_loop_depth): Same.
20376         (pbb_number_of_iterations): Same.
20377         (pbb_number_of_iterations_at_time): Same.
20378         * graphite-poly.h (new_1st_loop): Same.
20379         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
20380         (oppose_constraint): Same.
20381         (insert_constraint_into_matrix): Same.
20382         (ppl_set_inhomogeneous_gmp): Same.
20383         (ppl_set_coef_gmp): Same.
20384         (ppl_strip_loop): Same.
20385         (ppl_lexico_compare_linear_expressions): Same.
20386         (ppl_max_for_le_pointset): Same.
20387         (ppl_min_for_le_pointset): Same.
20388         (ppl_build_realtion): Same.
20389         * graphite-ppl.h (gmp_cst_to_tree): Same.
20390         (ppl_set_inhomogeneous): Same.
20391         (ppl_set_inhomogeneous_tree): Same.
20392         (ppl_set_coef): Same.
20393         (ppl_set_coef_tree): Same.
20394         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
20395         (build_scop_scattering): Same.
20396         (add_value_to_dim): Same.
20397         (scan_tree_for_params_right_scev): Same.
20398         (scan_tree_for_params_int): Same.
20399         (scan_tree_for_params): Same.
20400         (find_params_in_bb): Same.
20401         (find_scop_parameters): Same.
20402         (add_upper_bounds_from_estimated_nit): Same.
20403         (build_loop_iteration_domains): Same.
20404         (create_linear_expr_from_tree): Same.
20405         (add_condition_to_domain): Same.
20406         (pdr_add_memory_accesses): Same.
20407
20408 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
20409             Jason Merrill  <jason@redhat.com>
20410
20411         * c-common.c (c_common_reswords): Add nullptr.
20412         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
20413         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
20414         (gen_type_die_with_usage): Likewise.
20415         * dbxout.c (dbxout_type): Likewise.
20416         * sdbout.c (plain_type_1): Likewise.
20417
20418 2010-05-06  Jason Merrill  <jason@redhat.com>
20419
20420         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
20421         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
20422         ret appropriately.
20423         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
20424
20425         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
20426         stripping WITH_SIZE_EXPR.
20427         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
20428         change.
20429
20430 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20431
20432         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
20433         list of obsolete configurations.
20434         Disabled check for obsolete configurations.
20435         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
20436         Removed support for previous versions.
20437         * config/mips/iris.h: Removed.
20438         * config/mips/iris5.h: Removed.
20439         * config/mips/iris6.h: Merged old iris.h contents.
20440         (TARGET_IRIX): Removed.
20441         (DRIVER_SELF_SPECS): Removed mabi=32.
20442         (IDENT_ASM_OP): Removed undef.
20443         (STARTFILE_SPEC): Removed mabi=32.
20444         (ENDFILE_SPEC): Likewise.
20445         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
20446         (MACHINE_TYPE): Update for IRIX 6.5.
20447         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
20448         TARGET_IRIX by TARGET_IRIX6.
20449         (mips_file_start): Likewise.
20450         (mips_output_external): Remove IRIX 5/6 O32 support.
20451         (mips_output_function_prologue): Likewise.
20452         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
20453         TARGET_IRIX6.
20454         (TARGET_CPU_CPP_BUILTINS): Likewise.
20455         (TARGET_IRIX): Removed.
20456         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
20457         (MULTILIB_DIRNAMES): Removed 32.
20458         (MULTILIB_OSDIRNAMES): Removed ../lib.
20459         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
20460         (Specific, mips-sgi-irix5): Document removal.
20461         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
20462         Remove references to older IRIX 6 releases and the O32 ABI.
20463
20464 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
20465
20466         PR bootstrap/43994
20467         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
20468         instead of DF_REF_REAL_REG.
20469
20470 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
20471
20472         PR target/43888
20473         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
20474         handling to still return true for x64 targets.
20475
20476 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
20477
20478         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
20479
20480 2010-05-06  Jan Hubicka  <jh@suse.cz>
20481
20482         PR tree-optimization/43791
20483         * ipa-inline.c (update_caller_keys): Remove bogus
20484         disregard_inline_limits check.
20485
20486 2010-05-06  Michael Matz  <matz@suse.de>
20487
20488         PR tree-optimization/43984
20489         * tree-ssa-pre.c (inserted_phi_names): Remove.
20490         (inserted_exprs): Change to bitmap.
20491         (create_expression_by_pieces): Set bits, don't append to vector.
20492         (insert_into_preds_of_block): Don't handle inserted_phi_names.
20493         (eliminate): Don't look at inserted_phi_names, remove deleted
20494         insns from inserted_exprs.
20495         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
20496         (init_pre, fini_pre): Allocate and free bitmaps.
20497         (execute_pre): Insert insns on edges before elimination.
20498
20499 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
20500
20501         * tree.c (initializer_zerop): Handle STRING_CST.
20502
20503 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20504
20505         PR 40989
20506         * doc/invoke.texi (Wimplicit): Document as C only.
20507         * opts.c (common_handle_option): Add argument kind.
20508         (handle_option): Rename as read_cmdline_option. Factor out code to...
20509         (handle_option): ... here. New.
20510         (handle_options): Rename as read_cmdline_options.
20511         (decode_options): Update call.
20512         (set_option): Use option index instead of option pointer. Classify
20513         diagnostics correctly.
20514         (enable_warning_as_error): Call handle_option.
20515         * opts.h (set_option): Update declaration.
20516         (handle_option): Declare.
20517         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
20518         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
20519         * c-opts.c (set_Wimplicit): Delete.
20520         (c_family_lang_mask): New static constant.
20521         (c_common_handle_option): Add argument kind. Use handle_option
20522         instead of set_Wimplicit.
20523         (c_common_post_options): warn_implicit and warn_implicit_int
20524         are disabled by default.
20525         * c-common.c (warn_implicit): Do not define here.
20526         * c-common.h (warn_implicit): Do not declare here.
20527         (c_common_handle_option): Update declaration.
20528         * lto-opts.c (lto_reissue_options): Update call to set_option.
20529
20530 2010-05-06  Richard Guenther  <rguenther@suse.de>
20531
20532         PR tree-optimization/43571
20533         * domwalk.c (walk_dominator_tree): Walk the dominator
20534         sons in more optimal order.
20535
20536 2010-05-06  Richard Guenther  <rguenther@suse.de>
20537
20538         PR tree-optimization/43934
20539         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
20540         (stmt_cost): Likewise.
20541         (extract_true_false_args_from_phi): New helper.
20542         (determine_max_movement): For PHI nodes verify we can hoist them
20543         and compute their cost.
20544         (determine_invariantness_stmt): Handle PHI nodes.
20545         (move_computations_stmt): Likewise.  Hoist PHI nodes in
20546         if-converted form using COND_EXPRs.
20547         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
20548         (tree_ssa_lim): Likewise.
20549         * tree-flow.h (tree_ssa_lim): Adjust prototype.
20550         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
20551
20552 2010-05-06  Richard Guenther  <rguenther@suse.de>
20553
20554         PR tree-optimization/43987
20555         * tree-ssa-structalias.c (could_have_pointers): For possibly
20556         address-taken variables force pointers to be recorded.
20557         (create_variable_info_for_1): Likewise.
20558         (push_fields_onto_fieldstack): Pass in wheter all fields
20559         must have pointers.
20560         (find_func_aliases): Query types instead of vars whether
20561         they contain pointers where appropriate.
20562
20563 2010-05-06  Jan Hubicka  <jh@suse.cz>
20564
20565         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
20566         (record_reference, mark_address, mark_load, mark_store): Record
20567         references.
20568         (record_references_in_initializer): Update call of record_references.
20569         (rebuild_cgraph_edges): Remove all references before rebuiding.
20570         * cgraph.c (cgraph_create_node): Clear ref list.
20571         (cgraph_remove_node): Remove references.
20572         (dump_cgraph_node): Dump references.
20573         (cgraph_clone_node): Clone references.
20574         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
20575         (struct cgraph_node, varpool_node): Add ref_lst.
20576         * ipa-ref.c: New file.
20577         * ipa-ref.h: New file.
20578         * ipa-ref-inline.h: New file.
20579         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
20580         (referenced_from_other_partition_p): New function.
20581         (lto_output_varpool_node): Take set arugment; call
20582         referenced_from_other_partition.
20583         (lto_output_ref): New.
20584         (add_references): New.
20585         (output_refs): New.
20586         (output_cgraph): Compute boundary based on references; output refs.
20587         (output_varpool): Accept cgraph_node_set argument.
20588         (input_ref): New.
20589         (input_refs): New.
20590         (input_cgraph): Call input_refs.
20591         * lto-section-in.c (lto_section_name): Add refs.
20592         * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
20593         (ipa-ref.o): New file.
20594         * varpool.c (varpool_node): Clear ipa ref list.
20595         (varpool_remove_node): Remove references.
20596         (dump_varpool_node): Dump references.
20597         (varpool_assemble_decl): Only compile finalized ones.
20598         (varpool_extra_name_alias): Initialize ref list.
20599         * lto-streamer.c (lto-get_section_name): Add .refs section.
20600         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
20601         (referenced_from_other_partition_p): Declared.
20602
20603 2010-05-06  Ira Rosen  <irar@il.ibm.com>
20604
20605         PR tree-optimization/43901
20606         * tree-vect-stmts.c (vectorizable_call): Assert that vector
20607         type is not NULL if it's transformation phase, and return
20608         FALSE if it's analysis.
20609         (vectorizable_conversion, vectorizable_operation,
20610         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
20611
20612 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
20613
20614         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
20615         Delete.
20616         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
20617         New define.
20618         * config/mips/mips-protos.h
20619         (mips_small_register_classes_for_mode_p): Delete prototype.
20620
20621 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
20622
20623         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
20624         * config/arm/arm.c (multiple_operation_profitable_p,
20625         compute_offset_order): New static functions.
20626         (load_multiple_sequence, store_multiple_sequence): Use them.
20627         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
20628         memory offsets, not register numbers.
20629         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
20630
20631 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
20632
20633         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
20634         (get_pending_sizes, put_pending_size, put_pending_sizes):
20635         Update the uses of pending_sizes.
20636         * c-decl.c (store_parm_decls): Likewise.
20637         * c-tree.h (struct c_arg_info): Likewise.
20638         * tree.h: Update the prototype for get_pending_sizes and
20639         put_pending_sizes.
20640
20641 2010-05-05  Jason Merrill  <jason@redhat.com>
20642
20643         PR debug/43370
20644         * c-common.c (handle_aligned_attribute): Respect
20645         ATTR_FLAG_TYPE_IN_PLACE.
20646
20647         PR testsuite/43758
20648         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
20649         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
20650         (TARGET_INITIALIZER): Use it.
20651         * c-common.c (attribute_takes_identifier_p): Call it.
20652         * c-common.h: Update prototype.
20653         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
20654         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
20655
20656 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
20657
20658         PR debug/43950
20659         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
20660         DW_ID_down_case for Fortran compilation units.
20661
20662 2010-05-05  Jan Hubicka  <jh@suse.cz>
20663
20664         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
20665         handle aliases.
20666
20667 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
20668
20669         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
20670         a variable-sized RESULT_DECL.
20671
20672 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
20673
20674         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
20675
20676 2010-05-05  Jason Merrill  <jason@redhat.com>
20677
20678         PR c++/43787
20679         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
20680         returns GS_OK.
20681         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
20682
20683 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
20684             Jakub Jelinek  <jakub@redhat.com>
20685
20686         PR debug/43478
20687         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
20688         (dead_debug_init, dead_debug_finish): New functions.
20689         (dead_debug_add, dead_debug_insert_before): Likewise.
20690         (df_note_bb_compute): Initialize a dead_debug object, add dead
20691         debug uses to it, insert debug bind insns before death insns,
20692         reset debug insns that refer to pending uses at the end.
20693         * rtl.h (make_debug_expr_from_rtl): New prototype.
20694         * varasm.c (make_debug_expr_from_rtl): New function.
20695
20696 2010-05-05  Jan Hubicka  <jh@suse.cz>
20697
20698         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
20699         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
20700         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
20701         lto_varpool_encoder_deref, lto_varpool_encoder_size,
20702         lto_varpool_encoder_encode_initializer_p,
20703         lto_set_varpool_encoder_encode_initializer): New functions.
20704         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
20705         call output_varpool.
20706         (input_varpool_node): Do not always set analyzed.
20707         (input_cgraph_1): Return vector of cgraph nodes.
20708         (input_varpool_1): Return vector of varpools.
20709         (input_cgraph): Free the vectors.
20710         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
20711         output only initializers needed.
20712         (lto_output): Only call output_cgraph.
20713         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
20714         * lto-section-out.c (lto_new_out_decl_state): Initialize
20715         state->varpool_node_encoder.
20716         * lto-streamer.h (lto_varpool_encoder_d): New.
20717         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
20718         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
20719         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
20720         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
20721         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
20722         Declare.
20723         (output_varpool, input_varpool): Remove declarations.
20724
20725 2010-05-05  Jan Hubicka  <jh@suse.cz>
20726
20727         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
20728         with body can prevail.
20729
20730 2010-05-05  Jan Hubicka  <jh@suse.cz>
20731
20732         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
20733         size.
20734
20735 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
20736
20737         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
20738
20739         * gengtype.h (erro_at_line): Constify pos argument.
20740
20741         * gengtype.c: Include hashtab.h.
20742         (enum gc_used): Document GC_MAYBE_POINTED_TO.
20743         (error_at_line): Constify pos argument.
20744         (do_typedef): Initialize p->opt field.
20745         (get_file_gtfilename): Fix comment typo.
20746         (struct walk_type_data): Constify line field.
20747         (get_output_file_for_structure): New function.
20748         (write_local_func_for_structure): Constify orig_s argument.
20749         Use get_output_file_for_structure.
20750         (write_func_for_structure): Use get_output_file_for_structure.
20751         (INDENT): New define.
20752         (dump_pair, dump_type, dump_type_list, dump_typekind)
20753         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
20754         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
20755         functions.
20756         (seen_types): New variable.
20757         (main): New variable do_dump.  Process "-d" command line option.
20758         Call dump_everything if dump requested.
20759
20760 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
20761
20762         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
20763         in a temporary instead of invoking the macro multiple times.
20764         (track_expr_p): Likewise.
20765
20766 2010-05-04  Neil Vachharajani  <nvachhar@google.com>
20767
20768         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
20769         per new semantics.
20770         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
20771         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
20772         conditions for printing notes.
20773         * common.opt (-Wcoverage-mismatch): Allow negative, default to
20774         true, update documentation.
20775         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
20776
20777 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
20778
20779         PR c/43981
20780         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
20781         on dimen.
20782
20783 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
20784
20785         PR target/43799
20786         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
20787         (*sse_prologue_save_insn1): Likewise.
20788         (SSE prologue save splitter): Likewise.
20789
20790 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
20791
20792         * tree.c (free_lang_data_in_one_sizepos): New inline function.
20793         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
20794         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
20795         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
20796         all decls.  Call it on DECL_FIELD_OFFSET of fields.
20797         (find_decls_types_r): Follow DECL_VALUE_EXPR.
20798         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
20799
20800 2010-05-04  Martin Jambor  <mjambor@suse.cz>
20801
20802         * tree-sra.c (build_access_from_expr_1): The first parameter type
20803         changed to simple tree.
20804         (build_access_from_expr): Likewise, gsi parameter was eliminated.
20805         (scan_assign_result): Renamed to assignment_mod_result, enum elements
20806         renamed as well.
20807         (build_accesses_from_assign): Removed all parameters except for a
20808         simple gimple statement.  Now returns a simple bool.
20809         (scan_function): All non-analysis parts moved to separate functions
20810         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
20811         parameters and updated both callers.
20812         (sra_modify_expr): Removed parameter data.
20813         (sra_modify_function_body): New function.
20814         (perform_intra_sra): Call sra_modify_function_body to modify the
20815         function body.
20816         (replace_removed_params_ssa_names): Parameter data changed into
20817         adjustments vector.
20818         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
20819         changed the parameter dont_convert to convert with the opposite
20820         meaning.
20821         (sra_ipa_modify_assign): Parameter data changed into adjustments
20822         vector, return value changed to bool.
20823         (ipa_sra_modify_function_body): New function.
20824         (sra_ipa_reset_debug_stmts): Updated a comment.
20825         (modify_function): Use ipa_sra_modify_function_body to modify function
20826         body.
20827
20828 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
20829
20830         PR middle-end/43671
20831         * alias.c (true_dependence): Handle the same VALUE in x and mem.
20832         (canon_true_dependence): Likewise.
20833         (write_dependence_p): Likewise.
20834
20835 2010-05-04  Jan Hubicka  <jh@suse.cz>
20836
20837         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
20838         * cgraphbuild.c: Include ipa-utils.h
20839         (record_reference_ctx): New struct.
20840         (record_reference): Simplify to work on initializers; not statements.
20841         (mark_address, mark_load, mark_store): New.
20842         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
20843         walk PHI nodes too.
20844         (record_references_in_initializer): Update use of record_reference.
20845         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
20846         walk PHI nodes too.
20847
20848 2010-05-04  Jan Hubicka  <jh@suse.cz>
20849
20850         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
20851         node will be removed anyway.
20852         (lto_varpool_replace_node): Allow also unanalyzed nodes;
20853         relink aliases of node into prevailing node.
20854         * varpool.c (varpool_remove_node): Remove aliases properly;
20855         when removing node, remove all its aliases too; remove DECL_INITIAL
20856         of removed node; ggc_free the varpool node.
20857
20858 2010-05-04  Richard Guenther  <rguenther@suse.de>
20859
20860         PR tree-optimization/43879
20861         * tree-ssa-structalias.c (alias_get_name): Use
20862         DECL_ASSEMBLER_NAME if available.
20863         (create_function_info_for): Return the varinfo node.
20864         (ipa_pta_execute): Associate same-body aliases and extra names
20865         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
20866
20867 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
20868
20869         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
20870
20871 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
20872
20873         PR bootstrap/43964
20874         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
20875         only if HONOR_REG_ALLOC_ORDER is not defined.
20876
20877 2010-05-04  Richard Guenther  <rguenther@suse.de>
20878
20879         PR tree-optimization/43949
20880         * tree-vrp.c (extract_range_from_binary_expr): Only handle
20881         TRUNC_MOD_EXPR.
20882
20883 2010-04-26  Jason Merrill  <jason@redhat.com>
20884
20885         * c.opt (-fstrict-enums): New.
20886         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
20887
20888 2010-05-03  David Ung  <davidu@mips.com>
20889             James E. Wilson  <wilson@codesourcery.com>
20890
20891         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
20892         emit the trap instruction before the divide for TUNE_74K.
20893
20894 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
20895
20896         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
20897         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
20898         based on the above, for new target hook.
20899
20900         * hooks.c (hook_bool_mode_true): New generic hook.
20901         * hooks.h (hook_bool_mode_true): Add prototype.
20902
20903         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
20904         target hook.
20905         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
20906         target hook, set to hook_bool_mode_false.
20907         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
20908         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
20909         with targetm.small_register_classes_for_mode_p.
20910         (find_reusable_reload): Likewise.
20911         (combine_reloads): Likewise.
20912         * reload1.c (reload_as_needed): Likewise.
20913         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
20914         * ifcvt.c (noce_process_if_block, check_cond_move_block,
20915         dead_or_predicable): Likewise.
20916         * regmove.c (optimize_reg_copy_1): Likewise.
20917         * calls.c (prepare_call_address): Likewise.
20918         (precompute_register_parameters): Likewise.
20919
20920         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
20921         hook definition.
20922         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
20923         implementation of the hook that considers all register classes
20924         small except for SH64.
20925         (sh_override_options): Use the new hook.
20926         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
20927         Add prototype.
20928
20929         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
20930         hook definition.
20931         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
20932         implementation of the hook that considers all register classes
20933         small for THUMB1.
20934         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
20935         Add prototype.
20936
20937         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
20938         hook definition.
20939         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
20940         implementation of the hook that considers all register classes
20941         small for MIPS16.
20942         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
20943         Add prototype.
20944
20945         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
20946         hook definition.
20947         * config/m32c/m32c.h: Likewise.
20948         * config/pdp11/pdp11.h: Likewise.
20949         * config/avr/avr.h: Likewise.
20950         * config/xtensa/xtensa.h: Likewise.
20951         * config/m68hc11/m68hc11.h: Likewise.
20952         * config/mn10300/mn10300.h: Likewise.
20953         * config/mcore/mcore.h: Likewise.
20954         * config/h8300/h8300.h: Likewise.
20955         * config/bfin/bfin.h: Likewise.
20956
20957         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
20958         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
20959
20960 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
20961
20962         * double-int.h (tree_to_double_int): Remove macro.
20963         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
20964         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
20965         (tree_to_double_int): New function.
20966         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
20967         Move ...
20968         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
20969
20970 2010-05-03  Richard Guenther  <rguenther@suse.de>
20971
20972         PR tree-optimization/43971
20973         * tree-ssa-structalias.c (get_constraint_for_1): Fix
20974         constraints in the !flag_delete_null_pointer_checks case.
20975
20976 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
20977
20978         PR debug/43972
20979         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
20980         result mode matches original rtl mode.
20981
20982 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
20983
20984         PR target/43888
20985         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
20986
20987 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
20988
20989         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
20990         when processing flag options.
20991
20992 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
20993
20994         * gcov-iov.c (main): Change format string placeholder
20995         from %#08x to 0x%08x.
20996         * genchecksum.c (dosum): Change format string placeholder
20997         from %#02x to 0x%02x.
20998
20999 2010-05-02  Richard Guenther  <rguenther@suse.de>
21000
21001         PR tree-optimization/43879
21002         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
21003
21004 2010-05-02  Bruno Haible  <bruno@clisp.org>
21005
21006         * doc/extend.texi (Function Attributes): Fix a typo.
21007
21008 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
21009
21010         Revert:
21011         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
21012         placeholder from 0x%x to %#x.
21013         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
21014         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
21015         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
21016         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
21017         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
21018         * config/i386/i386.c (ix86_target_string): Ditto.
21019         * config/i386/i386.c (output_pic_addr_const): Ditto.
21020         (print_operand): Ditto.
21021
21022 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
21023
21024         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
21025         placeholder from 0x%x to %#x.
21026         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
21027         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
21028         (ASM_OUTPUT_DEBUG_DATA): Ditto.
21029         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
21030         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
21031         * optc-gen.awk: Ditto.
21032         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
21033         (HOST_WIDE_INT_PRINT_HEX): Ditto.
21034         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
21035         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
21036
21037 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
21038
21039         * target.h (struct calls): Add function_value_regno_p field.
21040         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
21041         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
21042         * targhooks.c (default_function_value_regno_p): New function.
21043         * targhooks.h (default_function_value_regno_p): Declare function.
21044         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
21045         * builtins.c. (apply_result_size): (Ditto.).
21046         * combine.c. (likely_spilled_retval_p): (Ditto.).
21047         * mode-switching.c. Include 'target.h'.
21048         (create_pre_exit): Use function_value_regno_p hook.
21049         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
21050         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
21051         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
21052
21053         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
21054         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
21055         (ix86_function_value_regno_p): Declare as static, change argument
21056         type to const unsigned int.
21057         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
21058
21059 2010-05-01  Richard Guenther  <rguenther@suse.de>
21060
21061         PR tree-optimization/43949
21062         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
21063         types.
21064         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
21065
21066 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
21067
21068         * rtl.h (CONST_DOUBLE_P): Define.
21069         (rtx_to_double_int): Declare.
21070         * emit-rtl.c (rtx_to_double_int): New function.
21071         * dwarf2out.c (insert_double): New function.
21072         (loc_descriptor, add_const_value_attribute): Clean up, use
21073         rtx_to_double_int and insert_double functions.
21074
21075 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
21076
21077         * doc/extend.texi (Inline): Add missing return keyword to examples.
21078         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
21079         "command-line".
21080
21081 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
21082
21083         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
21084         the variable part of the offset as well.  Use highest_pow2_factor for
21085         all alignment checks.
21086
21087 2010-04-30  Richard Guenther  <rguenther@suse.de>
21088
21089         PR tree-optimization/43879
21090         * tree-ssa-structalias.c (type_could_have_pointers): Functions
21091         can have pointers.
21092
21093 2010-04-30  Jan Hubicka  <jh@suse.cz>
21094
21095         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
21096         varpool.
21097         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
21098
21099 2010-04-30  Jan Hubicka  <jh@suse.cz>
21100
21101         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
21102         New.
21103         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
21104         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
21105         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
21106         cgraph_node_set_needs_ltrans_p): Remove.
21107
21108 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
21109
21110         * sdbout.c: Include vec.h, do not include varray.h.
21111         (deferred_global_decls, sdbout_global_decl,
21112         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
21113         * toplev.c: Do not include varray.h.
21114         (dump_memory_report): Do not dump VARRAY statistics.
21115         * gengtype.c (open_base_file): Ignore varray.h.
21116         * Makefile.in: Update for abovementioned changes.
21117         Remove all traces of varray.c and varray.h.
21118         * varray.c: Remove file.
21119         * varray.h: Remove file.
21120
21121 2010-04-30  Jan Hubicka  <jh@suse.cz>
21122
21123         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
21124         references.
21125
21126 2010-04-30  Jan Hubicka  <jh@suse.cz>
21127
21128         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
21129         needed.
21130
21131 2010-04-30  Richard Guenther  <rguenther@suse.de>
21132
21133         * tree-ssa-structalias.c (get_constraint_for_1): Generate
21134         constraints for CONSTRUCTOR.
21135
21136 2010-04-30  Richard Guenther  <rguenther@suse.de>
21137
21138         PR lto/43946
21139         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
21140         first after all lowering passes.
21141
21142 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
21143
21144         * toplev.c: Include varray.h for statistics dumping.
21145         * tree.h: Do not declare varray_head_tag.
21146         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
21147         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
21148         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
21149         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
21150         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
21151         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
21152         c-common.c, c-common.h, reg-stack.c, basic-block.h,
21153         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
21154         include varray.h.
21155         * Makefile.in: Update for abovementioned changes.
21156
21157 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
21158
21159         PR debug/43942
21160         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
21161
21162 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
21163
21164         * config/picochip/picochip.c (picochip_legitimize_address): Define.
21165         Use this function to do machine-specific conversion.
21166         (picochip_legitimize_reload_address): Likewise.
21167         (picochip_legitimate_address_p): Check valid base register only if
21168         strict.
21169         (picochip_check_conditional_copy): Check for modw only if opnd is
21170         register.
21171         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
21172         to call the function in c.
21173         * config/picochip/picochip-protos.h
21174         (picochip_legitimize_reload_address): Define.
21175         * config/picochip/picochip.md (supported_compare1): Define.
21176
21177 2010-04-30  Jan Hubicka  <jh@suse.cz>
21178
21179         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
21180         (cgraph_global_info): Remove inlined.
21181         (LTO_cgraph_tag_names): Remove.
21182         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
21183         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
21184         simplify cgraph tags and document.
21185         (lto_output_node): Use only LTO_cgraph_unavail_node and
21186         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
21187         for_functions_valid, global info, process and output flags.
21188         (input_overwrite_node): Initialize estimated stack size and
21189         estimated growth.  Do not read flags we no longer store.
21190         (input_node): Likewise do not read info no longer stored.
21191         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
21192         flag.
21193
21194 2010-04-30  Richard Guenther  <rguenther@suse.de>
21195
21196         PR tree-optimization/43879
21197         * tree-ssa-structalias.c (get_constraint_for_1): Properly
21198         handle non-zero initializers.
21199
21200 2010-04-30  Richard Guenther  <rguenther@suse.de>
21201
21202         * builtins.c (fold_builtin_1): Delete free (0).
21203
21204 2010-04-29  Jan Hubicka  <jh@suse.cz>
21205
21206         * gengtype.c (open_base_files): Add lto-streamer.h
21207         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
21208         (pass_ipa_cp): GGC collect.
21209         * toplev. (compile_file): Do not output symbols.
21210         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
21211         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
21212         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
21213         * lto-section-in.c: Include ggc.h
21214         (lto_new_in_decl_state): Alloc in GGC.
21215         (lto_delete_in_decl_state): Likewise.
21216         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
21217         Collect.
21218
21219 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
21220
21221         PR target/42895
21222         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
21223         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
21224         (HONOR_REG_ALLOC_ORDER): Describe new macro.
21225         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
21226         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
21227         account only if HONOR_REG_ALLOC_ORDER is not defined.
21228         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
21229         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
21230
21231 2010-04-29  Jon Grant  <04@jguk.org>
21232
21233         * collect2.c (vflag): Change type from int to bool.
21234         (debug): Likewise.
21235         (helpflag): New global bool.
21236         (main): Set vflag and debug with boolean, not integer truth values.
21237         Accept new "--help" option and output usage text if found.
21238         * collect2.h (vflag): Update prototype.
21239         (debug): Likewise.
21240
21241 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
21242
21243         PR bootstrap/43936
21244         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
21245
21246 2010-04-29  Richard Guenther  <rguenther@suse.de>
21247
21248         PR bootstrap/43935
21249         * plugin.h (invoke_plugin_callbacks): Annotate arguments
21250         with ATTRIBUTE_UNUSED.
21251
21252 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
21253
21254         PR target/43921
21255         * config/i386/i386.c (get_some_local_dynamic_name): Replace
21256         INSN_P with NONDEBUG_INSN_P.
21257         (distance_non_agu_define): Likewise.
21258         (distance_agu_use): Likewise.
21259
21260 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
21261
21262         From Dominique d'Humieres  <dominiq@lps.ens.fr>
21263         PR bootstrap/43858
21264         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
21265         test_set.
21266
21267 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
21268
21269         * plugin.h (invoke_plugin_callbacks): New inline function.
21270         * plugin.c (flag_plugin_added): New global flag.
21271         (add_new_plugin): Initialize above flag.
21272         (invoke_plugin_callbacks): Rename to ...
21273         (invoke_plugin_callbacks_full): ... this.
21274
21275 2010-04-28  Jan Hubicka  <jh@suse.cz>
21276
21277         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
21278         (lto_varpool_replace_node): New.
21279         (lto_symtab_resolve_symbols): Resolve varpool nodes.
21280         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
21281         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
21282         * cgraph.h (varpool_node_ptr): New type.
21283         (varpool_node_ptr): New vector.
21284         (varpool_node_set_def): New structure.
21285         (varpool_node_set): New type.
21286         (varpool_node_set): New vector.
21287         (varpool_node_set_element_def): New structure.
21288         (varpool_node_set_element, const_varpool_node_set_element): New types.
21289         (varpool_node_set_iterator): New type.
21290         (varpool_node): Add prev pointers, add used_from_other_partition,
21291         in_other_partition.
21292         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
21293         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
21294         varpool_get_node, varpool_remove_node): Declare.
21295         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
21296         varpool_node_set_size): New inlines.
21297         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
21298         * tree-pass.h (varpool_node_set_def): Forward declare.
21299         (ipa_opt_pass_d): Summary writting takes vnode sets too.
21300         (ipa_write_optimization_summaries): Update prototype.
21301         * ipa-cp.c (ipcp_write_summary): Update.
21302         * ipa-reference.c (ipa_reference_write_summary): Update.
21303         * lto-cgraph.c (lto_output_varpool_node): New static function.
21304         (output_varpool): New function.
21305         (input_varpool_node): New static function.
21306         (input_varpool_1): New function.
21307         (input_cgraph): Input varpool.
21308         * ipa-pure-const.c (pure_const_write_summary): Update.
21309         * lto-streamer-out.c (lto_output): Update, output varpool too.
21310         (write_global_stream): Kill WPA hack.
21311         (produce_asm_for_decls): Update.
21312         (output_alias_pair_p): Handle variables.
21313         (output_unreferenced_globals): Output only needed partition of varpool.
21314         * ipa-inline.c (inline_write_summary): Update.
21315         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
21316         cgraph.
21317         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
21318         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
21319         varpool_node_set_new, varpool_node_set_add,
21320         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
21321         debug_varpool_node_set): New functions.
21322         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
21323         (execute_one_pass): Process new decls too.
21324         (ipa_write_summaries_2): Pass around vsets.
21325         (ipa_write_summaries_1): Likewise.
21326         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
21327         to add.
21328         (ipa_write_optimization_summaries_1): Pass around vsets.
21329         (ipa_write_optimization_summaries): Likewise.
21330         * varpool.c (varpool_get_node): New.
21331         (varpool_node): Update doubly linked lists.
21332         (varpool_remove_node): New.
21333         (dump_varpool_node): More dumping.
21334         (varpool_enqueue_needed_node): Update doubly linked lists.
21335         (decide_is_variable_needed): Kill ltrans hack.
21336         (varpool_finalize_decl): Kill lto hack.
21337         (varpool_assemble_decl): Skip decls in other partitions.
21338         (varpool_assemble_pending_decls): Update doubly linkes lists.
21339         (varpool_empty_needed_queue): Likewise.
21340         (varpool_extra_name_alias): Likewise.
21341         * lto-streamer.c (lto_get_section_name): Add vars section.
21342         * lto-streamer.h (lto_section_type): Update.
21343         (output_varpool, input_varpool): Declare.
21344
21345 2010-04-28  Mike Stump  <mikestump@comcast.net>
21346
21347         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
21348
21349 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
21350
21351         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
21352         record or union type with RECORD_OR_UNION_TYPE_P predicate.
21353         (lto_input_ts_type_tree_pointers): Likewise.
21354         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
21355         (lto_output_ts_type_tree_pointers): Likewise.
21356
21357 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
21358
21359         Uniquization of constants at the Tree level
21360         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
21361         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
21362         bit to the end.
21363         (tree_output_constant_def): Declare.
21364         * gimplify.c (gimplify_init_constructor): When using block copy, first
21365         uniquize the constant constructor on the RHS.
21366         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
21367         DECL_IN_CONSTANT_POOL flag.
21368         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
21369         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
21370         constant pool.
21371         (assemble_variable): Deal with symbols belonging to the tree constant
21372         pool.
21373         (get_constant_section): Add ALIGN parameter and simplify.
21374         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
21375         (assemble_constant_contents): Use the expression of the VAR_DECL.
21376         (output_constant_def_contents): Use the alignment of the VAR_DECL.
21377         (tree_output_constant_def): New global function.
21378         (mark_constant): Use the expression of the VAR_DECL.
21379         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
21380         its expression.
21381         (output_object_block): Likewise and assemble the expression.
21382
21383 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
21384
21385         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
21386         hash_tree, eq_tree): New tree hash table.
21387         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
21388         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
21389         lto_orig_address_remove): Reimplement.
21390
21391 2010-04-28  Xinliang David Li  <davidxl@google.com>
21392
21393         PR c/42643
21394         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
21395         (compute_uninit_opnds_pos): New function.
21396         (is_non_loop_exit_postdominating): New function.
21397         (compute_control_dep_chain): New function.
21398         (find_pdom): New function.
21399         (convert_control_dep_chain_into_preds): New function.
21400         (find_predicates): New function.
21401         (find_control_equiv_block): New function.
21402         (collect_phi_def_edges): New function.
21403         (find_def_preds): New function.
21404         (find_dom): New function.
21405         (dump_predicates): New function.
21406         (get_cmp_code): New function.
21407         (is_value_included_in): New function.
21408         (find_matching_predicate_in_rest_chains): New function.
21409         (use_pred_not_overlap_with_undef_path_pred): New function.
21410         (is_use_properly_guarded): New function.
21411         (normalize_cond_1): New function.
21412         (is_and_or_or): New function.
21413         (normalize_cond): New function.
21414         (is_gcond_subset_of): New function.
21415         (is_subset_of_any): New function.
21416         (is_or_set_subset_of): New function.
21417         (is_and_set_subset_of): New function.
21418         (is_norm_cond_subset_of): New function.
21419         (is_pred_expr_subset_of): New function.
21420         (is_pred_chain_subset_of): New function.
21421         (is_included_in): New function.
21422         (is_superset_of): New function.
21423         (find_uninit_use): New function.
21424         (warn_uninitialized_phi): New function.
21425         (compute_possibly_undefined_names): New function.
21426         (ssa_undefined_value_p): New function.
21427         (execute_late_warn_uninitialized): New function.
21428         * tree-ssa.c (ssa_undefined_value_p): Removed.
21429         (warn_uninit): Changed to extern.
21430         (warn_uninitialized_phi): Removed.
21431         (warn_uninitialized_vars): Changed to extern.
21432         (execute_late_warn_uninitialized): Removed
21433         * tree-flow.h: Add new prototypes.
21434         * timevar.def: Add new time variable.
21435         * Makefile.in: Add new build file.
21436
21437 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
21438
21439         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
21440         type if available.
21441
21442 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21443
21444         PR target/22224
21445         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
21446
21447 2010-04-28  Martin Jambor  <mjambor@suse.cz>
21448
21449         * cgraph.h (struct cgraph_node): New field indirect_calls.
21450         (struct cgraph_indirect_call_info): New type.
21451         (struct cgraph_edge): Removed field indirect_call. New fields
21452         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
21453         (cgraph_create_indirect_edge): Declare.
21454         (cgraph_make_edge_direct): Likewise.
21455         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
21456         * ipa-prop.h (struct ipa_param_call_note): Removed.
21457         (struct ipa_node_params): Removed field param_calls.
21458         (ipa_create_all_structures_for_iinln): Declare.
21459         * cgraph.c: Described indirect edges and uids in initial comment.
21460         (cgraph_add_edge_to_call_site_hash): New function.
21461         (cgraph_edge): Search also among the indirect edges, use
21462         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
21463         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
21464         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
21465         site hash.
21466         (initialize_inline_failed): Assign a reason to indirect edges.
21467         (cgraph_create_edge_1): New function.
21468         (cgraph_create_edge): Moved some functionality to
21469         cgraph_create_edge_1.
21470         (cgraph_create_indirect_edge): New function.
21471         (cgraph_edge_remove_callee): Add an assert checking for
21472         non-indirectness.
21473         (cgraph_edge_remove_caller): Special-case indirect edges.
21474         (cgraph_remove_edge): Likewise.
21475         (cgraph_set_edge_callee): New function.
21476         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
21477         (cgraph_make_edge_direct): New function.
21478         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
21479         the declaration of the call statement matches.
21480         (cgraph_node_remove_callees): Special-case indirect edges.
21481         (cgraph_clone_edge): Likewise.
21482         (cgraph_clone_node): Clone also the indirect edges.
21483         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
21484         indirect_call, dump count of indirect_calls edges.
21485         * ipa-prop.c (iinlining_processed_edges): New variable.
21486         (ipa_note_param_call): Create indirect edges instead of
21487         creating notes.  New parameter node.
21488         (ipa_analyze_call_uses): New parameter node, pass it on to
21489         ipa_note_param_call.
21490         (ipa_analyze_stmt_uses): Likewise.
21491         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
21492         (print_edge_addition_message): Work on edges rather than on notes.
21493         (update_call_notes_after_inlining): Likewise, renamed to
21494         update_indirect_edges_after_inlining.
21495         (ipa_create_all_structures_for_iinln): New function.
21496         (ipa_free_node_params_substructures): Do not free notes.
21497         (ipa_edge_duplication_hook): Propagate bits within
21498         iinlining_processed_edges bitmap.
21499         (ipa_node_duplication_hook): Do not duplicate notes.
21500         (free_all_ipa_structures_after_ipa_cp): Renamed to
21501         ipa_free_all_structures_after_ipa_cp.
21502         (free_all_ipa_structures_after_iinln): Renamed to
21503         ipa_free_all_structures_after_iinln.
21504         (ipa_write_param_call_note): Removed.
21505         (ipa_read_param_call_note): Removed.
21506         (ipa_write_indirect_edge_info): New function.
21507         (ipa_read_indirect_edge_info): Likewise.
21508         (ipa_write_node_info): Do not stream notes, do stream information
21509         in indirect edges.
21510         (ipa_read_node_info): Likewise.
21511         (lto_ipa_fixup_call_notes): Removed.
21512         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
21513         * ipa-inline.c (pass_ipa_inline): Likewise.
21514         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
21515         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
21516         * tree-inline.c (copy_bb): Removed an unnecessary double check for
21517         is_gimple_call.
21518         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
21519         edges.
21520         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
21521         (output_cgraph): Stream also indirect edges.
21522         (lto_output_edge): Added capability to stream indirect edges.
21523         (input_edge): Likewise.
21524         (input_cgraph_1): Likewise.
21525         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
21526         of indirect edges.
21527
21528 2010-04-28  Richard Guenther  <rguenther@suse.de>
21529
21530         PR tree-optimization/43879
21531         PR tree-optimization/43909
21532         * tree-ssa-structalias.c (struct variable_info): Add
21533         only_restrict_pointers flag.
21534         (new_var_info): Initialize it.  Increment stats.total_vars here.
21535         (create_function_info_for): Do not increment stats.total_vars here.
21536         (get_function_part_constraint): Fix build with C++.
21537         (insert_into_field_list): Remove.
21538         (push_fields_onto_fieldstack): Properly merge fields.
21539         (create_variable_info_for): Split and simplify.
21540         (create_variable_info_for_1): New piece.
21541         (intra_create_variable_infos): Properly make restrict constraints
21542         from parameters.
21543
21544 2010-04-28  Richard Guenther  <rguenther@suse.de>
21545
21546         PR c++/43880
21547         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
21548
21549 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21550             Jan Hubicka  <hubicka@ucw.cz>
21551
21552         * doc/invoke.texi (-Wsuggest-attribute=const,
21553         -Wsuggest-attribute=pure): Document.
21554         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
21555         (function_always_visible_to_compiler_p,
21556         suggest_attribute, warn_function_pure, warn_function_const):
21557         New functions.
21558         (check_call): Improve debug info.
21559         (analyze_function): Do not check availability.
21560         (add_new_function): Check availability.
21561         (propagate): Output warnings.
21562         (skip_function_for_local_pure_const): New function.
21563         (local_pure_const): Use it; output warnings.
21564         * common.opt (Wsuggest-attribute=const,
21565         Wsuggest-attribute=pure): New.
21566
21567 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
21568
21569         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
21570         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
21571         or DW_CFA_def_cfa_offset{,_sf}.
21572
21573 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
21574
21575         * tree.h: Fix truncated long macros.
21576
21577 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
21578
21579         * collect2.c (TARGET_64BIT): Redefine to target's default.
21580         * tlink.c: Likewise.
21581         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
21582         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
21583         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
21584         for underscoring __USER_LABEL_PREFIX__.
21585         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
21586         (SUB_LINK_ENTRY32): New.
21587         (SUB_LINK_ENTRY64): New.
21588         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
21589         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
21590         (SUB_LINK_ENTRY64): New.
21591         (SUB_LINK_ENTRY): New.
21592         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
21593         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
21594         x64 target is choosen.
21595         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
21596         * configure: Regenerated.
21597         * configure.ac (leading-mingw64-underscores): Option added.
21598
21599 2010-04-27  Jan Hubicka  <jh@suse.cz>
21600
21601         * doc/invoke.texi (-fipa-profile): Document.
21602         * opts.c (decode_options): Enable ipa-profile at -O1.
21603         * timevar.def (TV_IPA_PROFILE): Define.
21604         * common.opt (fipa-profile): Add.
21605         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
21606         flag for clones.
21607         (cgraph_propagate_frequency): Handle only local ones.
21608         * tree-pass.h (pass_ipa_profile): Declare.
21609         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
21610         (pass_ipa_profile): Use TV_IPA_PROFILE.
21611         * ipa.c (ipa_profile): New function.
21612         (gate_ipa_profile): Likewise.
21613         (pass_ipa_profile): New global variable.
21614         * passes.c (pass_ipa_profile): New.
21615
21616 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
21617
21618         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
21619
21620 2010-04-27  Martin Jambor  <mjambor@suse.cz>
21621
21622         PR middle-end/43812
21623         * ipa.c (dissolve_same_comdat_group_list): New function.
21624         (function_and_variable_visibility): Call
21625         dissolve_same_comdat_group_list when comdat group contains external or
21626         newly local nodes.
21627         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
21628         lists are circular and that they contain only DECL_ONE_ONLY nodes.
21629
21630 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
21631
21632         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
21633         (const_hash_1) <VECTOR_CST>: New case.
21634         (compare_constant) <VECTOR_CST>: Likewise.
21635         <ADDR_EXPR>: Deal with LABEL_REFs.
21636         (copy_constant) <VECTOR_CST>: New case.
21637
21638 2010-04-27  Jan Hubicka  <jh@suse.cz>
21639
21640         * cgraph.c (cgraph_propagate_frequency): New function.
21641         * cgraph.h (cgraph_propagate_frequency): Declare.
21642         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
21643         cgraph_propagate_frequency.
21644
21645 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
21646
21647         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
21648
21649 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
21650
21651         PR target/40657
21652         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
21653         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
21654         here to determine which regs to push and how much stack to reserve.
21655
21656 2010-04-27  Jie Zhang  <jie@codesourcery.com>
21657
21658         * doc/gimple.texi (gimple_statement_with_ops): Remove
21659         addresses_taken field.
21660         (gimple_statement_with_memory_ops): Likewise.
21661
21662 2010-04-27  Jan Hubicka  <jh@suse.cz>
21663
21664         * tree-inline.c (eni_inlining_weights): Remove.
21665         (estimate_num_insns): Special case more builtins.
21666
21667 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
21668
21669         PR c/32207
21670         * c-typeck.c (build_binary_op): Move forward check for comparison
21671         pointer with null pointer constant and adjust the diagnostic message.
21672
21673 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
21674
21675         PR lto/42776
21676         * configure.ac (gcc_cv_as_section_has_align): Set if installed
21677         binutils supports extended .section directive needed by LTO, or
21678         warn if older binutils found.
21679         (LTO_BINARY_READER): New AC_SUBST'd variable.
21680         (LTO_USE_LIBELF): Likewise.
21681         * config.gcc (lto_binary_reader): New target-specific configure
21682         variable.
21683         * Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
21684         (LTO_USE_LIBELF): Likewise.
21685         * configure: Regenerate.
21686
21687         * collect2.c (is_elf): Rename from this ...
21688         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
21689          object files in addition to ELF-formatted ones.
21690         (scan_prog_file): Caller updated.  Also allow for LTO info marker
21691         symbol to be prefixed or not by an extra underscore.
21692
21693         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
21694         * config/i386/winnt.c: Also #include lto-streamer.h
21695         (i386_pe_asm_named_section): Specify 1-byte section alignment for
21696         LTO named sections.
21697         (i386_pe_asm_output_aligned_decl_common): Add comment.
21698         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
21699
21700 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
21701
21702         PR target/43889
21703         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
21704         Add missing earlyclobber for second alternative.
21705
21706 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
21707
21708         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
21709         bits for artificial defs at the top of the block.
21710         * fwprop.c (single_def_use_enter_block): Don't call it.
21711
21712 2010-04-26  Jack Howarth  <howarth@bromo.med.uc.edu>
21713
21714         PR 43715
21715         * configure.ac: Use "$gcc_cv_nm -g" on darwin
21716         instead of "$gcc_cv_objdump -T".
21717         Use "-undefined dynamic_lookup" on darwin.
21718         * configure: Regenerate.
21719
21720 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
21721
21722         PR c/43893
21723         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
21724
21725 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
21726
21727         * c-parser.c (struct c_token): Move location field up.
21728         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
21729         (struct c_declspecs): Convert typespec_word, storage_class, and
21730         default_int_p into bitfields.
21731         (struct c_declarator): Move loc field up.
21732
21733 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
21734
21735         * cfgloop.h (struct loop): Move can_be_parallel field up.
21736         * ipa-prop.h (struct ip_node_params): Move bitfields up.
21737         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
21738         down.
21739         (struct iv_cand): Convert pos field into a bitfield.
21740         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
21741         field up.
21742         (struct _stmt_vec_info): Shuffle fields for better packing.
21743
21744 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
21745
21746         * varasm.c (IN_NAMED_SECTION): Remove guard.
21747         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
21748         (IN_NAMED_SECTION_P): ...this.
21749         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
21750         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
21751
21752 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
21753
21754         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
21755         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
21756         of shadowing it.  Fix comments.
21757
21758 2010-04-26  Jan Hubicka  <jh@suse.cz>
21759
21760         * cgraph.c (cgraph_create_node): Set node frequency to normal.
21761         (cgraph_clone_node): Copy function frequency.
21762         * cgraph.h (node_frequency): New enum
21763         (struct cgraph_node): Add.
21764         * final.c (rest_of_clean_state): Update.
21765         * lto-cgraph.c (lto_output_node): Output node frequency.
21766         (input_overwrite_node): Input node frequency.
21767         * tre-ssa-loop-ivopts (computation_cost): Update.
21768         * lto-streamer-out.c (output_function): Do not output function
21769         frequency.
21770         * predict.c (maybe_hot_frequency_p): Update and handle functions
21771         executed once.
21772         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
21773         attribute lookup.
21774         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
21775         (compute_function_frequency): Set noreturn functions to be executed
21776         once.
21777         (choose_function_section): Update.
21778         * lto-streamer-in.c (input_function): Do not input function frequency.
21779         * function.c (allocate_struct_function): Do not initialize function
21780         frequency.
21781         * function.h (function_frequency): Remove.
21782         (struct function): Remove function frequency.
21783         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
21784         (try_update): Update.
21785         * tree-inline.c (initialize_cfun): Do not update function frequency.
21786         * passes.c (pass_init_dump_file): Update.
21787         * i386.c (ix86_compute_frame_layout): Update.
21788         (ix86_pad_returns): Update.
21789
21790 2010-04-26  Jie Zhang  <jie@codesourcery.com>
21791
21792         PR tree-optimization/43833
21793         * tree-vrp.c (range_int_cst_p): New.
21794         (range_int_cst_singleton_p): New.
21795         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
21796         when both operands are constants.  Use range_int_cst_p in
21797         BIT_IOR_EXPR case.
21798
21799 2010-04-26  Jan Hubicka  <jh@suse.cz>
21800
21801         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
21802
21803 2010-04-26  Richard Guenther  <rguenther@suse.de>
21804
21805         PR lto/43080
21806         * gimple.c (gimple_decl_printable_name): Deal gracefully
21807         with a NULL DECL_NAME.
21808
21809 2010-04-26  Richard Guenther  <rguenther@suse.de>
21810
21811         PR lto/42425
21812         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
21813         if emitting debug information and it is either a function
21814         or a namespace decl.
21815
21816 2010-04-26  Ira Rosen  <irar@il.ibm.com>
21817
21818         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
21819         determine if the statement is vectorizable, and a macro to access it.
21820         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
21821         Skip statements that can't be vectorized. If the analysis fails,
21822         mark the statement as unvectorizable if vectorizing basic block.
21823         (vect_compute_data_refs_alignment): Likewise.
21824         (vect_verify_datarefs_alignment): Skip statements marked as
21825         unvectorizable. Add print.
21826         (vect_analyze_group_access): Skip statements that can't be
21827         vectorized. If the analysis fails, mark the statement as
21828         unvectorizable if vectorizing basic block.
21829         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
21830         * tree-vect-stmts.c (vectorizable_store): Fix the number of
21831         generated stmts for SLP.
21832         (new_stmt_vec_info): Initialize the new field.
21833         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
21834         statements marked as unvectorizable.
21835
21836 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
21837
21838         * c-common.c (flag_isoc1x): New.
21839         (flag_isoc99): Update comment.
21840         * c-common.h (flag_isoc1x): New.
21841         (flag_isoc99): Update comment.
21842         * c-cppbuiltin.c (builtin_define_float_constants): Also define
21843         __<type>_DECIMAL_DIG__.
21844         * c-opts.c (set_std_c1x): New.
21845         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
21846         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
21847         * c.opt (-std=c1x, -std=gnu1x): New options.
21848         * doc/cpp.texi: Mention -std=c1x.
21849         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
21850         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
21851         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
21852         * doc/standards.texi: Mention C1X.
21853         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
21854         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
21855         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
21856         Define for C1X.
21857
21858 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
21859
21860         * config/i386/gmon-sol2.c (_mcleanup): Change format string
21861         placeholder from 0x%x to %#x.
21862         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
21863         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
21864         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
21865         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
21866         * config/i386/i386.c (ix86_target_string): Ditto.
21867         (output_pic_addr_const): Ditto.
21868         (print_operand): Ditto.
21869
21870 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
21871
21872         * combine.c (find_split_point): Add third argument.  Use it
21873         to find nested multiply-accumulate instructions.  Adjust calls.
21874         (try_combine): Adjust call to find_split_point.
21875
21876 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
21877
21878         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
21879
21880 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
21881
21882         PR tree-optimization/41442
21883         * fold-const.c (merge_truthop_with_opposite_arm): New function.
21884         (fold_binary_loc): Call it.
21885
21886 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21887
21888         * toplev.c (general_init): Set default for fdiagnostics-show-option.
21889         * opts.c (common_handle_option): Allow disabling it.
21890         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
21891
21892 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
21893
21894         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
21895         between modes if both types are integral.
21896
21897 2010-04-23  Richard Guenther  <rguenther@suse.de>
21898
21899         PR tree-optimization/43572
21900         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
21901
21902 2010-04-23  Richard Guenther  <rguenther@suse.de>
21903
21904         PR lto/43455
21905         * tree-inline.c (tree_can_inline_p): Also check compatibility
21906         of return types.
21907
21908 2010-04-23  Martin Jambor  <mjambor@suse.cz>
21909
21910         PR tree-optimization/43846
21911         * tree-sra.c (struct access): New flag grp_assignment_read.
21912         (build_accesses_from_assign): Set grp_assignment_read.
21913         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
21914         (enum mark_read_status): New type.
21915         (analyze_access_subtree): Propagate grp_assignment_read, create
21916         accesses also if both direct_read and root->grp_assignment_read.
21917
21918 2010-04-23  Martin Jambor  <mjambor@suse.cz>
21919
21920         PR middle-end/43835
21921         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
21922         function does not have type attributes.
21923
21924 2010-04-23  Richard Guenther  <rguenther@suse.de>
21925
21926         PR lto/42653
21927         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
21928         of FUNCTION_DECLs.
21929
21930 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
21931
21932         * sese.h (create_if_region_on_edge): Remove.
21933
21934         * sese.c (create_if_region_on_edge): Make static.
21935
21936         * tree-inline.c: Do not include ggc.h.
21937
21938         * expr.c: Do not include ggc.h.
21939
21940         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
21941         dependencies.
21942
21943 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
21944
21945         PR target/43744
21946         * config/sh/sh.c (find_barrier): Don't emit a constant pool
21947         in the middle of insns for casesi_worker_2.
21948
21949 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
21950
21951         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
21952
21953 2010-04-22  Ira Rosen  <irar@il.ibm.com>
21954
21955         PR tree-optimization/43842
21956         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
21957         loop unrolling in update of exit phis. Fix comment.
21958         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
21959         least two reduction statements in the loop before starting SLP
21960         analysis.
21961
21962 2010-04-22  Nick Clifton  <nickc@redhat.com>
21963
21964         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
21965
21966 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
21967
21968         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
21969         to simplify a + ~a.
21970
21971 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
21972
21973         * tree-parloops.c (loop_parallel_p): New argument
21974         parloop_obstack.  Pass it down.
21975         (parallelize_loops): New variable parloop_obstack.  Initialize it,
21976         pass it down, free it.
21977
21978         * tree-loop-linear.c (linear_transform_loops): Pass down
21979         lambda_obstack.
21980
21981         * tree-data-ref.h (lambda_compute_access_matrices): New argument
21982         of type struct obstack *.
21983
21984         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
21985         scratch_obstack.  Initialize it, pass down, free it.
21986
21987         * lambda.h (lambda_loop_new): Remove.
21988         (lambda_matrix_new, lambda_matrix_inverse)
21989         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
21990         argument of type struct obstack *.
21991
21992         * lambda-trans.c (lambda_trans_matrix_new): New argument
21993         lambda_obstack.  Pass it down, use obstack allocation for ret.
21994         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
21995         it down.
21996
21997         * lambda-mat.c (lambda_matrix_get_column)
21998         (lambda_matrix_project_to_null): Remove.
21999         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
22000         allocation for mat.
22001         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
22002         lambda_obstack.
22003
22004         * lambda-code.c (lambda_loop_new): New function.
22005         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
22006         (lambda_compute_auxillary_space, lambda_compute_target_space)
22007         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
22008         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
22009         (build_access_matrix): New argument lambda_obstack.  Use obstack
22010         allocation for am.
22011         (lambda_compute_step_signs, lambda_compute_access_matrices): New
22012         argument lambda_obstack.  Pass it down.
22013
22014 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
22015
22016         * optabs.h (expand_widening_mult): Declare.
22017
22018 2010-04-22  Richard Guenther  <rguenther@suse.de>
22019
22020         PR tree-optimization/43845
22021         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
22022         lookup the CALL_EXPR function and arguments.
22023
22024 2010-04-22  Nick Clifton  <nickc@redhat.com>
22025
22026         * config/stormy16/stormy16.c
22027         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
22028         * config/stormy16/stormy16.h: Tidy up formatting.
22029         (DONT_USE_BUILTIN_SETJMP): Remove definition.
22030         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
22031         (ineqbranchsi): Delete pattern.
22032         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
22033         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
22034         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
22035         stormy16-lib2-ucmpsi2.c.
22036
22037 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
22038
22039         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
22040         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
22041         extra set merge_set_noclobber, and use it to relax the final test
22042         slightly.
22043         * df.h (df_simulate_find_noclobber_defs): Declare.
22044         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
22045         conditional defs.
22046         (df_simulate_find_noclobber_defs): New function.
22047
22048 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
22049
22050         * config/i386/i386.md: Use {} around multi-line preparation statements.
22051
22052 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
22053
22054         * c-tree.h (push_init_level, pop_init_level, set_init_index)
22055         (process_init_element): New argument of type struct obstack *.
22056
22057         * c-typeck.c (push_init_level, pop_init_level, set_designator)
22058         (set_init_index, set_init_label, set_nonincremental_init)
22059         (set_nonincremental_init_from_string, find_init_member)
22060         (output_init_element, output_pending_init_elements)
22061         (process_init_element): New argument braced_init_obstack.  Pass it
22062         down.
22063         (push_range_stack, add_pending_init): New argument
22064         braced_init_obstack.  Use obstack allocation.
22065
22066         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
22067         braced_init_obstack.  Pass it down.
22068         (c_parser_braced_init): New variables ret, braced_init_obstack.
22069         Initialize obstack, pass it down and finally free it.
22070
22071 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
22072
22073         PR middle-end/29274
22074         * tree-pass.h (pass_optimize_widening_mul): Declare.
22075         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
22076         gate_optimize_widening_mul): New static functions.
22077         (pass_optimize_widening_mul): New.
22078         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
22079         <case MULT_EXPR>: Remove support for widening multiplies.
22080         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
22081         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
22082         simplify_gen_unary rather than directly building extensions.
22083         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
22084         WIDEN_MULT_EXPR.
22085         * expmed.c (expand_widening_mult): New function.
22086         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
22087
22088 2010-04-21  Jan Hubicka  <jh@suse.cz>
22089
22090         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
22091         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
22092         * lto-wpa-fixup.c: Remove.
22093         * Makefile.in (lto-wpa-fixup.o): Remove.
22094         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
22095         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
22096         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
22097
22098 2010-04-21  Jan Hubicka  <jh@suse.cz>
22099
22100         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
22101         add write_optimization_summary, read_optimization_summary.
22102         (ipa_write_summaries_of_cgraph_node_set): Remove.
22103         (ipa_write_optimization_summaries): Declare.
22104         (ipa_read_optimization_summaries): Declare.
22105         * ipa-cp.c (pass_ipa_cp): Update.
22106         * ipa-reference.c (pass_ipa_reference): Update.
22107         * ipa-pure-const.c (pass_ipa_pure_const): Update.
22108         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
22109         Update.
22110         * ipa-inline.c (pass_ipa_inline): Update.
22111         * ipa.c (pass_ipa_whole_program): Update.
22112         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
22113         * passes.c (ipa_write_summaries_1): Do not test wpa.
22114         (ipa_write_optimization_summaries_1): New.
22115         (ipa_write_optimization_summaries): New.
22116         (ipa_read_summaries): Do not test ltrans.
22117         (ipa_read_optimization_summaries_1): New.
22118         (ipa_read_optimization_summaries): New.
22119
22120 2010-04-21  Jan Hubicka  <jh@suse.cz>
22121
22122         * lto-cgraph.c (lto_output_node): Do not output comdat groups
22123         for boundary nodes.
22124         (output_cgraph): Do not arrange comdat groups for boundary nodes.
22125
22126 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
22127
22128         PR debug/40040
22129         * dwarf2out.c (add_name_and_src_coords_attributes): Add
22130         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
22131
22132 2010-04-21  Jan Hubicka  <jh@suse.cz>
22133
22134         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
22135
22136 2010-04-21  Jan Hubicka  <jh@suse.cz>
22137
22138         * varpool.c (decide_is_variable_needed): Variable is always needed
22139         during ltrans.
22140
22141 2010-04-21  Jan Hubicka  <jh@suse.cz>
22142
22143         * opts.c (decode_options): Enable pure-const pass for whopr.
22144
22145 2010-04-21  Jan Hubicka  <jh@suse.cz>
22146
22147         * cgraph.c (dump_cgraph_node): Dump also assembler name.
22148         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
22149         at WPA dumping.
22150         (cgraph_decide_inlining): Do not expect callee to be removed in all
22151         cases.
22152
22153 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
22154
22155         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
22156
22157 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
22158
22159         * config/i386/i386.md (x86_shrd): Add athlon_decode and
22160         amdfam10_decode attributes.
22161
22162 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
22163
22164         PR middle-end/43570
22165         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
22166         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
22167         (lower_copyprivate_clauses): Use private var in outer
22168         context instead of original var.  Make sure the types
22169         are correct for VLAs.
22170
22171 2010-04-21  Richard Guenther  <rguenther@suse.de>
22172
22173         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
22174         to non-pointer objects.
22175
22176 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
22177
22178         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
22179         last chain entry if it starts with the still current label.
22180         (add_location_or_const_value_attribute): Check that
22181         loc_list->first->next is NULL instead of comparing ->first with ->last.
22182         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
22183         to add_var_loc_to_decl.
22184
22185         * dwarf2out.c (output_call_frame_info): For dw_cie_version
22186         >= 4 add also address size and segment size fields into CIE header.
22187
22188         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
22189         long as address size is the same as sizeof (void *) and
22190         segment size is 0.
22191         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
22192         address size or segment size is unexpected, return DW_EH_PE_omit.
22193         (classify_object_over_fdes): If get_cie_encoding returned
22194         DW_EH_PE_omit, return -1.
22195         (init_object): If classify_object_over_fdes returned -1,
22196         pretend there were no FDEs at all.
22197
22198 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
22199
22200         * config/i386/i386.md (bswap<mode>2): Macroize expander from
22201         bswap{si,di}2 using SWI48 mode iterator.
22202         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
22203         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
22204         set modrm attribute of bswap insn to 0 and remove length attribute.
22205         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
22206         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
22207         set mode attribute to <MODE> and remove length attribute.
22208
22209 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
22210
22211         PR rtl-optimization/43520
22212         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
22213         zero available registers.
22214
22215 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22216
22217         * builtins.c (fold_builtin_cproj): Fold more cases.
22218
22219 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22220
22221         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
22222         (fold_builtin_1): Fold builtin cproj.
22223         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
22224         Use ATTR_CONST_NOTHROW_LIST.
22225
22226 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
22227
22228         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
22229         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
22230         ffsi2_no_cmove for !TARGET_CMOVE.
22231         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
22232         (ffssi2): Remove expander.
22233         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
22234         mode iterator.
22235         (ctz<mode>2): Ditto from ctz{si,di}2.
22236         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
22237         mode iterator.
22238         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
22239         mode iterator.
22240
22241 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
22242
22243         * dwarf2out.c (AT_linkage_name): Define.
22244         (clone_as_declaration): Handle DW_AT_linkage_name.
22245         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
22246         of DW_AT_MIPS_linkage_name.
22247         (move_linkage_attr): Likewise.
22248         (dwarf2out_finish): Likewise.
22249
22250 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
22251
22252         PR middle-end/41952
22253         * fold-const.c (fold_comparison): New folding rule.
22254
22255 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
22256
22257         * double-int.h (double_int_setbit): Declare.
22258         * double-int.c (double_int_setbit): New function.
22259         * rtl.h (immed_double_int_const): Declare.
22260         * emit-rtl.c (immed_double_int_const): New function.
22261         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
22262         and immed_double_int_const functions.
22263         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
22264         expand_copysign_bit): (Ditto.).
22265         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
22266         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
22267         * dojump.c (prefer_and_bit_test): (Ditto.).
22268         * expr.c (convert_modes, reduce_to_bit_field_precision,
22269         const_vector_from_tree): (Ditto.).
22270         * expmed.c (mask_rtx, lshift_value): (Ditto.).
22271
22272 2010-04-20  Jan Hubicka  <jh@suse.cz>
22273
22274         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
22275         (dump_cgraph_node): Dump new flags.
22276         * cgraph.h (struct cgraph_node): Add flags
22277         reachable_from_other_partition and in_other_partition.
22278         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
22279         other partition can not be removed.
22280         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
22281         the other partition must be output; silence sanity checking on
22282         leaking functions bodies from other paritition.
22283         * lto-cgraph.c (reachable_from_other_partition_p): New function.
22284         (lto_output_node): Output new flags; do not sanity check that inline
22285         clones are output; drop lto_forced_extern_inline_p code; do not mock
22286         visibility flags at partition boundaries.
22287         (add_node_to): New function.
22288         (output_cgraph): Use it to sort functions so masters appear before
22289         clones.
22290         (input_overwrite_node): Input new flags.
22291         * passes.c (ipa_write_summaries): Do not call
22292         lto_new_extern_inline_states.
22293         * lto-section-out.c (forced_extern_inline,
22294         lto_new_extern_inline_states lto_delete_extern_inline_states,
22295         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
22296         * lto-streamer.h (lto_new_extern_inline_states,
22297         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
22298         lto_forced_extern_inline_p): Kill.
22299
22300 2010-04-20  Richard Guenther  <rguenther@suse.de>
22301
22302         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
22303         from vars that can have pointers.
22304         (process_constraint): Dump useless constraints.
22305
22306 2010-04-20  Richard Guenther  <rguenther@suse.de>
22307
22308         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
22309         (dump_sa_points_to_info): Remove asserts.
22310         (init_base_vars): nothing_id isn't an escape point nor does it
22311         have pointers.
22312
22313 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
22314
22315         * tree.h (TYPE_REF_IS_RVALUE): Define.
22316         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
22317         should_move_die_to_comdat, prune_unused_types_walk): Handle
22318         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
22319         (modified_type_die, gen_reference_type_die): Emit
22320         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
22321         if TYPE_REF_IS_RVALUE and -gdwarf-4.
22322
22323 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22324
22325         PR target/43635
22326         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
22327         calls for -fpic -m31 if they have been sibcall optimized.
22328
22329 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
22330
22331         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
22332         ar.lc fixed and call-used.
22333
22334         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
22335
22336 2010-04-19  Jan Hubicka  <jh@suse.cz>
22337
22338         * opts.c (decode_options): Disable whpr incompatible passes.
22339         * lto/lto.c (lto_1_to_1_map): Skip clones.
22340         (read_cgraph_and_symbols): Do not mark everything as needed.
22341         (do_whole_program_analysis): Do map only after optimizing;
22342         set proper cgraph_state; use passmanager.
22343
22344 2010-04-19  DJ Delorie  <dj@redhat.com>
22345
22346         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
22347         POINTER_PLUS_EXPR and fix them.
22348
22349 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
22350
22351         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
22352         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
22353         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
22354         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
22355         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
22356         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
22357         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
22358         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
22359         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
22360         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
22361         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
22362
22363 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
22364
22365         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
22366         (check_cond_move_block): Likewise.
22367         (cond_move_process_if_block): Likewise.
22368         (noce_find_if_block): Improve formatting.
22369         (find_if_header): Pass 0 to memset and tweak conditions.
22370         (cond_exec_find_if_block): Fix long lines and tweak conditions.
22371
22372 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
22373
22374         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
22375         for -gdwarf-4.
22376
22377         PR middle-end/43337
22378         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
22379         with non-local decl doesn't need chain.
22380
22381 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
22382
22383         * ira-color.c (allocno_reload_assign): Avoid accumulating
22384         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
22385
22386 2010-04-19  Martin Jambor  <mjambor@suse.cz>
22387
22388         * gimple.h (create_tmp_reg): Declare.
22389         * gimplify.c (create_tmp_reg): New function.
22390         (gimplify_return_expr): Use create_tmp_reg.
22391         (gimplify_omp_atomic): Likewise.
22392         (gimple_regimplify_operands): Likewise.
22393         * tree-dfa.c (make_rename_temp): Likewise.
22394         * tree-predcom.c (predcom_tmp_var): Likewise.
22395         (reassociate_to_the_same_stmt): Likewise.
22396         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
22397         (get_replaced_param_substitute): Likewise.
22398         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
22399         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
22400         * tree-ssa-pre.c (get_representative_for): Likewise.
22401         (create_expression_by_pieces): Likewise.
22402         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
22403         (create_tailcall_accumulator): Likewise.
22404
22405 2010-04-19  Martin Jambor  <mjambor@suse.cz>
22406
22407         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
22408         new_stmt.
22409         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
22410
22411 2010-04-19  Richard Guenther  <rguenther@suse.de>
22412
22413         PR tree-optimization/43796
22414         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
22415         from SCEV in the lattice.
22416         (vrp_visit_phi_node): Dump change.
22417
22418 2010-04-19  Richard Guenther  <rguenther@suse.de>
22419
22420         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
22421         * configure: Re-generated.
22422
22423 2010-04-19  Richard Guenther  <rguenther@suse.de>
22424
22425         PR tree-optimization/43783
22426         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
22427         constant ARRAY_REF operands two and three if possible.
22428
22429 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
22430
22431         PR target/43766
22432         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
22433
22434 2010-04-19  Jie Zhang  <jie@codesourcery.com>
22435
22436         PR target/43662
22437         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
22438
22439 2010-04-19  Ira Rosen  <irar@il.ibm.com>
22440
22441         PR tree-optimization/37027
22442         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
22443         and macro to access it.
22444         (vectorizable_reduction): Add argument.
22445         (vect_get_slp_defs): Likewise.
22446         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
22447         statements for possible use in SLP.
22448         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
22449         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
22450         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
22451         add new argument.
22452         (vectorizable_reduction): Likewise.
22453         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
22454         vect_get_slp_defs.
22455         (vectorizable_type_demotion, vectorizable_type_promotion,
22456         vectorizable_store): Likewise.
22457         (vect_analyze_stmt): Update call to vectorizable_reduction.
22458         (vect_transform_stmt): Likewise.
22459         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
22460         (vect_build_slp_tree): Fix indentation. Check that there are no loads
22461         from different interleaving chains in same node.
22462         (vect_slp_rearrange_stmts): New function.
22463         (vect_supported_load_permutation_p): Allow load permutations for
22464         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
22465         inside SLP nodes if necessary.
22466         (vect_analyze_slp_instance): Handle reductions.
22467         (vect_analyze_slp): Try to build SLP instances originating from groups
22468         of reductions.
22469         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
22470         (vect_get_constant_vectors): Create initial vectors for reductions
22471         according to reduction code. Add new argument.
22472         (vect_get_slp_defs): Add new argument, pass it to
22473         vect_get_constant_vectors.
22474         (vect_schedule_slp_instance): Remove SLP tree root statements.
22475
22476 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
22477
22478         * tree.h (ENUM_IS_SCOPED): Define.
22479         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
22480         for ENUM_IS_SCOPED enums.
22481
22482 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
22483
22484         * fold-const.c (fold_comparison): Use ssizetype.
22485         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
22486         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
22487         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
22488         * tree-object-size.c (compute_object_sizes): Use size_type_node.
22489
22490         * tree.h (initialize_sizetypes): Remove parameter.
22491         (build_common_tree_nodes): Remove second parameter.
22492         * stor-layout.c (initialize_sizetypes): Remove parameter.
22493         Always create an unsigned type.
22494         (set_sizetype): Assert that the passed type is unsigned and simplify.
22495         * tree.c (build_common_tree_nodes): Remove second parameter.
22496         Adjust call to initialize_sizetypes.
22497         * c-decl.c (c_init_decl_processing): Remove second argument in call to
22498         build_common_tree_nodes.
22499
22500 2010-04-18  Matthias Klose  <doko@ubuntu.com>
22501
22502         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
22503
22504 2010-04-18  Ira Rosen  <irar@il.ibm.com>
22505
22506         PR tree-optimization/43771
22507         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
22508         load permutation doesn't have gaps.
22509
22510 2010-04-18  Jan Hubicka  <jh@suse.cz>
22511
22512         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
22513         (sse_prologue_save_insn expander): Use new pattern.
22514         (sse_prologue_save_insn1): New pattern and splitter.
22515         (sse_prologue_save_insn): Update to deal also with 64bit aligned
22516         blocks.
22517         * i386.c (setup_incoming_varargs_64): Do not compute jump
22518         destination here.
22519         (ix86_gimplify_va_arg): Update alignment needed.
22520         (ix86_local_alignment): Do not align all local arrays to 128bit.
22521
22522 2010-04-17  Jan Hubicka  <jh@suse.cz>
22523
22524         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
22525
22526 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
22527
22528         * arm.md (negdi2): Remove redundant code to force values into a
22529         register.
22530
22531 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
22532
22533         * arm/bpabi.S: Add EABI alignment attributes to objects.
22534         * arm/bpabi-v6m.S: Likewise.
22535         * arm/crti.asm: Likewise.
22536         * arm/crtn.asm: Likewise.
22537         * arm/lib1funcs.asm: Likewise.
22538         * arm/libunwind.S: Likewise.
22539
22540 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
22541
22542         * arm-protos.h (tune_params): New structure.
22543         * arm.c (current_tune): New variable.
22544         (arm_constant_limit): Delete.
22545         (struct processors): Add pointer to the tune parameters.
22546         (arm_slowmul_tune): New tuning option.
22547         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
22548         (all_cores): Adjust to pick up the tuning model.
22549         (arm_constant_limit): New function.
22550         (arm_override_options): Select the appropriate tuning model.  Delete
22551         initialization of arm_const_limit.
22552         (arm_split_constant): Use the new constant-limit model.
22553         (arm_rtx_costs): Pick up the current tuning model.
22554         * arm.md (is_strongarm, is_xscale): Delete.
22555         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
22556         for Xscale variant architectures.
22557         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
22558
22559 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22560
22561         * config/arm/arm.c (arm_gen_constant): Remove unused variable
22562         can_shift.
22563         (arm_rtx_costs_1): Remove unused variable extra_cost.
22564         (arm_unwind_emit_set): Use variable offset.
22565         (thumb1_output_casesi): Remove unused variable flags.
22566
22567 2010-04-16  Jeff Law  <law@redhat.com>
22568
22569         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
22570         needing assignment rather than doing a two-phase assignment.  Remove
22571         unused variable 'm'.
22572
22573 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
22574
22575         PR bootstrap/43767
22576         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
22577
22578 2010-04-16  Doug Kwan  <dougkwan@google.com>
22579
22580         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
22581         (next_operand_entry_id): New static variable.
22582         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
22583         (add_to_ops_vec): Assigned unique ID to operand entry.
22584         (struct oecount_s): New field ID.
22585         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
22586         (undistribute_ops_list): Assign unique IDs to oecounts.
22587         (init_reassoc): reset next_operand_entry_id.
22588
22589 2010-04-16  Doug Kwan  <dougkwan@google.com>
22590
22591         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
22592         missing left parenthesis.
22593
22594 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
22595
22596         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
22597         *btdi_rex64 using SWI48 mode iterator.
22598         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
22599         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
22600         *jcc_btdi_mask_rex64.
22601
22602 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
22603
22604         * double-int.h (tree_to_double_int): Convert to macro.
22605         * double-int.c (tree_to_double_int): Remove.
22606
22607 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
22608
22609         PR debug/43762
22610         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
22611         with want_address 2 and in case a single element list might be
22612         possible, call it again with want_address 0.
22613
22614 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
22615
22616         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
22617         case 'W' print operands for HI mode.
22618         * config/h8300/h8300.h (Y0, Y2) : New constraints.
22619         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
22620         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
22621         * config/h8300/predicate.md (bit_register_indirect_operand): New.
22622
22623         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
22624
22625         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
22626         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
22627         #xx:3 and #xx:4 mode.
22628
22629         * config/h8300/h8300.md (inverted load with HImode dest): Add
22630         support for H8300SX.
22631
22632         * config/h8300/predicate.md (bit_operand): Allow immediate values that
22633         satisfy 'U' constraint.
22634
22635 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22636
22637         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
22638         * configure: Regenerate.
22639         * config.in: Regenerate.
22640         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
22641         works.
22642
22643 2010-04-16  Richard Guenther  <rguenther@suse.de>
22644
22645         * tree.h (struct tree_decl_minimal): Move pt_uid ...
22646         (struct tree_decl_common): ... here.
22647         (DECL_PT_UID): Adjust.
22648         (SET_DECL_PT_UID): Likewise.
22649         (DECL_PT_UID_SET_P): Likewise.
22650
22651 2010-04-16  Richard Guenther  <rguenther@suse.de>
22652
22653         PR tree-optimization/43572
22654         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
22655         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
22656         * tree-flow.h (is_call_clobbered): Remove.
22657         * tree-flow-inline.h (is_call_clobbered): Likewise.
22658         * tree-dfa.c (dump_variable): Do not dump call clobber state.
22659         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
22660         (execute_return_slot_opt): Adjust.
22661         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
22662         check for call clobbered vars here.
22663         (find_tail_calls): Move tailcall verification to the
22664         proper place.
22665
22666 2010-04-16  Diego Novillo  <dnovillo@google.com>
22667
22668         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
22669
22670 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
22671
22672         PR target/40603
22673         * config/arm/arm.md (cbranchqi4): New pattern.
22674         * config/arm/predicates.md (const0_operand,
22675         cbranchqi4_comparison_operator): New predicates.
22676
22677 2010-04-16  Richard Guenther  <rguenther@suse.de>
22678
22679         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
22680         (dump_gimple_stmt): Likewise.
22681
22682 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
22683
22684         * recog.h (struct recog_data): New field is_operator.
22685         (struct insn_operand_data): New field is_operator.
22686         * recog.c (extract_insn): Set recog_data.is_operator.
22687         * genoutput.c (output_operand_data): Emit code to set the
22688         is_operator field.
22689         * reload.c (find_reloads): Use it rather than testing for an
22690         empty constraint string.
22691
22692         PR target/41514
22693         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
22694         If the previous insn is a cbranchsi4_insn with the same arguments,
22695         omit the compare instruction.
22696
22697         * config/arm/arm.md (addsi3_cbranch): If destination is a high
22698         register, inputs must be low registers and we need a low register
22699         scratch.  Handle alternative 2 like alternative 3.
22700
22701 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
22702
22703         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
22704         don't call get_addr on both.  If one expression is a VALUE and
22705         the other a REG, check VALUE's locs if the REG isn't among them.
22706
22707 2010-04-16  Christian Bruel  <christian.bruel@st.com>
22708
22709         * config/sh/sh.h (sh_frame_pointer_required): New function.
22710         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
22711         (flag_omit_frame_pointer) Set.
22712         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
22713         (rounded_frame_size): Adjust size with outgoing_args_size.
22714         (sh_set_return_address): Must return from stack pointer.
22715         * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
22716         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
22717         (ACCUMULATE_OUTGOING_ARGS): Define.
22718         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
22719         * config/sh/sh.opt (maccumulate-outgoing-args): New option.
22720
22721 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
22722
22723         PR target/43471
22724         * config/sh/sh.c (sh_legitimize_reload_address): Use
22725         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
22726         Remove a unneeded check for offset_base.
22727
22728 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
22729
22730         * configure: Regenerated.
22731
22732 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22733
22734         * config/s390/s390.c (s390_call_save_register_used): Switch back
22735         to HARD_REGNO_NREGS.
22736
22737 2010-04-15  Richard Guenther  <rguenther@suse.de>
22738
22739         * alias.c (alias_set_subset_of): Handle alias-set zero
22740         child properly.
22741
22742 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
22743             Julian Brown  <julian@codesourcery.com>
22744
22745         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
22746         alternatives according to use of high and low regs.
22747         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
22748         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
22749         optimizing for size on Thumb-2.
22750
22751 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
22752
22753         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
22754
22755 2010-04-15  Richard Guenther  <rguenther@suse.de>
22756
22757         * tree-ssa-structalias.c (struct variable_info): Add
22758         is_fn_info flag.
22759         (new_var_info): Initialize it.
22760         (dump_constraints): Support printing last added constraints.
22761         (debug_constraints): Adjust.
22762         (dump_constraint_graph): Likewise.
22763         (make_heapvar_for): Check for NULL cfun.
22764         (get_function_part_constraint): New function.
22765         (get_fi_for_callee): Likewise.
22766         (find_func_aliases): Properly implement IPA PTA constraints.
22767         (process_ipa_clobber): New function.
22768         (find_func_clobbers): Likewise.
22769         (insert_into_field_list_sorted): Remove.
22770         (create_function_info_for): Properly allocate vars for IPA mode.
22771         Do not use insert_into_field_list_sorted.
22772         (create_variable_info_for): Properly generate constraints for
22773         global vars in IPA mode.
22774         (dump_solution_for_var): Always dump the solution.
22775         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
22776         (find_what_var_points_to): Adjust.
22777         (pt_solution_set): Change.
22778         (pt_solution_ior_into): New function.
22779         (pt_solution_empty_p): Export.
22780         (pt_solution_includes_global): Adjust.
22781         (pt_solution_includes_1): Likewise.
22782         (pt_solutions_intersect_1): Likewise.
22783         (dump_sa_points_to_info): Check some invariants.
22784         (solve_constraints): Move constraint dumping ...
22785         (compute_points_to_sets): ... here.
22786         (ipa_pta_execute): ... and here.
22787         (compute_may_aliases): Do not re-compute points-to info
22788         locally if IPA info is available.
22789         (ipa_escaped_pt): New global var.
22790         (ipa_pta_execute): Properly implement IPA PTA.
22791         * tree-into-ssa.c (dump_decl_set): Support dumping
22792         decls not in referenced-vars.
22793         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
22794         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
22795         (dump_points_to_solution): Likewise.
22796         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
22797         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
22798         (remap_gimple_stmt): Reset call clobber/use information if necessary.
22799         (copy_decl_to_var): Copy DECL_PT_UID.
22800         (copy_result_decl_to_var): Likewise.
22801         * tree.c (make_node_stat): Initialize DECL_PT_UID.
22802         (copy_node_stat): Copy it.
22803         * tree.h (DECL_PT_UID): New macro.
22804         (SET_DECL_PT_UID): Likewise.
22805         (DECL_PT_UID_SET_P): Likewise.
22806         (struct tree_decl_minimal): Add pt_uid member.
22807         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
22808         (pt_solution_empty_p): Declare.
22809         (pt_solution_set): Adjust.
22810         (ipa_escaped_pt): Declare.
22811         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
22812         * gimple-pretty-print.c (pp_points_to_solution): New function.
22813         (dump_gimple_call): Dump call clobber/use information.
22814         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
22815         * tree-pass.h (TDF_ALIAS): New dump option.
22816         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
22817         * doc/invoke.texi (-fipa-pta): Update documentation.
22818
22819 2010-04-15  Richard Guenther  <rguenther@suse.de>
22820
22821         * Makefile.in (OBJS-common): Add gimple-fold.o.
22822         (gimple-fold.o): New rule.
22823         * tree.h (maybe_fold_offset_to_reference,
22824         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
22825         prototypes ...
22826         * gimple.h: ... here.
22827         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
22828         may_propagate_address_into_dereference): Move prototypes ...
22829         * gimple.h: ... here.
22830         * tree-ssa-ccp.c (get_symbol_constant_value,
22831         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
22832         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
22833         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
22834         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
22835         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
22836         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
22837         gimplify_and_update_call_from_tree): Move ...
22838         * gimple-fold.c: ... here.  New file.
22839         (ccp_fold_builtin): Rename to ...
22840         (gimple_fold_builtin): ... this.
22841         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
22842
22843 2010-04-15  Richard Guenther  <rguenther@suse.de>
22844
22845         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
22846         fit_double_type, force_fit_type_double, add_double_with_sign,
22847         neg_double, mul_double_with_sign, lshift_double, rshift_double,
22848         lrotate_double, rrotate_double, div_and_round_double): Move ...
22849         * double-int.c: ... here.
22850         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
22851         add_double, neg_double, mul_double_with_sign, mul_double,
22852         lshift_double, rshift_double, lrotate_double, rrotate_double,
22853         div_and_round_double): Move prototypes ...
22854         * double-int.h: ... here.
22855
22856 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
22857
22858         PR target/43742
22859         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
22860         matching constraints to ensure inputs match the output.
22861
22862 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
22863
22864         PR target/43742
22865         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
22866         in an input-only operand.
22867
22868 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
22869
22870         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
22871         (double_int_not, double_int_lshift, double_int_rshift): Declare.
22872         (double_int_negative_p): Convert to static inline function.
22873         * double-int.c (double_int_lshift, double_int_lshift): New functions.
22874         (double_int_negative_p): Remove.
22875         * tree.h (lshift_double, rshift_double):
22876         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
22877         * fold-const.c (fold_convert_const_int_from_real,
22878         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
22879         (lshift_double): Change type of arith argument to bool.
22880         (rshift_double): Change type of arith argument to bool. Correct
22881         comment.
22882         * expmed.c (mask_rtx, lshift_value): (Ditto.).
22883
22884 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
22885
22886         PR target/21803
22887         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
22888         at the start and end of the then/else blocks, and omit them from the
22889         conversion.
22890         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
22891         argument; all callers changed.  Pass zero to old_insns_match_p instead.
22892         (flow_find_head_matching_sequence): New function.
22893         (old_insns_match_p): Check REG_EH_REGION notes for calls.
22894         * basic-block.h (flow_find_cross_jump,
22895         flow_find_head_matching_sequence): Declare functions.
22896
22897 2010-04-14  Jason Merrill  <jason@redhat.com>
22898
22899         PR c++/36625
22900         * c-common.c (attribute_takes_identifier_p): New fn.
22901         * c-common.h: Declare it.
22902
22903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22904
22905         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
22906         splitter condition.
22907         (*udivmod<mode>4): Ditto.
22908
22909 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22910
22911         * config/i386/i386.md (maxmin_int): Rename code attribute from
22912         maxminiprefix and update all users.
22913         (maxmin_float): Ditto from maxminfprefix.
22914         (logic): Ditto from logicprefix.
22915         (absneg_mnemonic): Ditto from absnegprefix.
22916         * config/i386/mmx.md: Update all users of maxminiprefix,
22917         maxminfprefix and logicprefix for rename.
22918         * config/i386/sse.md: Ditto.
22919         * config/i386/sync.md (sync_<code><mode>): Update for
22920         logicprefix rename.
22921
22922 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22923
22924         PR 42966
22925         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
22926         warnings converted to errors.
22927
22928 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22929
22930         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
22931         used insn_type variable.
22932         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
22933         to avoid set-but-not-used warning.
22934
22935 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22936
22937         * df-core.c (df_ref_debug): Change format string placeholder
22938         from 0x%x to %#x.
22939         * dwarf2asm.c (dw2_asm_output_data_raw,
22940         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
22941         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
22942         * dwarf2out.c (output_cfi, output_cfi_directive,
22943         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
22944         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
22945         Ditto.
22946         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
22947         * print-rtl.c (print_rtx): Ditto.
22948
22949 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
22950
22951         PR middle-end/42694
22952         * builtins.c (expand_builtin_pow_root): New function to expand pow
22953         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
22954         series of sqrt and cbrt calls under -ffast-math.
22955         (expand_builtin_pow): Call it.
22956
22957 2010-04-14  Michael Matz  <matz@suse.de>
22958
22959         PR tree-optimization/42963
22960         * tree-cfg.c (touched_switch_bbs): New static variable.
22961         (group_case_labels_stmt): New function broken out from ...
22962         (group_case_labels): ... here, use the above.
22963         (start_recording_case_labels): Allocate touched_switch_bbs.
22964         (end_recording_case_labels): Deallocate it, call
22965         group_case_labels_stmt.
22966         (gimple_redirect_edge_and_branch): Remember index of affected BB.
22967
22968 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22969
22970         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
22971         from insn template.
22972
22973 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
22974
22975         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
22976
22977 2010-04-13  Jan Hubicka  <jh@suse.cz>
22978
22979         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
22980         of optimized out static functions.
22981         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
22982         cost computation.  Also sanity check for overflows.
22983         (update_caller_keys): Update cgraph_edge_badness call; properly
22984         update fibheap and sanity check that it is up to date.
22985         (add_new_edges_to_heap): Update cgraph_edge_badness.
22986         (cgraph_decide_inlining_of_small_function): Likewise;
22987         add sanity checking that badness in heap is up to date;
22988         improve dumping of reason; Update badness of calls to the
22989         offline copy of function currently inlined; dump badness
22990         of functions not inlined because of unit growth limits.
22991
22992 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
22993
22994         PR middle-end/32628
22995         * c-common.c (pointer_int_sum): Disregard overflow that occured only
22996         because of sign-extension change when converting to sizetype here...
22997         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
22998
22999         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
23000         the folding to constants.  Remove redundant final conversion.
23001         (fold_binary) <associate>: Do not associate if the re-association of
23002         constants alone overflows.
23003         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
23004         to the end of the list.
23005         (multiple_of_p) <COND_EXPR>: New case.
23006
23007 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23008
23009         * opt-functions.awk (opt_sanitized_name): New.
23010         (opt_enum): New.
23011         * optc-gen.awk: Use it
23012         * opth-gen.awk: Use it.
23013
23014 2010-04-13  Martin Jambor  <mjambor@suse.cz>
23015
23016         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
23017         (sra_modify_assign): Delete stmts loading dead data even if racc has no
23018         children.  Call replace_uses_with_default_def_ssa_name to handle
23019         SSA_NAES on lhs.
23020
23021 2010-04-13  Michael Matz  <matz@suse.de>
23022
23023         PR middle-end/43730
23024         * builtins.c (expand_builtin_interclass_mathfn): Also create
23025         a register if the predicate doesn't match.
23026
23027 2010-04-13  Diego Novillo  <dnovillo@google.com>
23028
23029         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
23030         * c-pch.c: Include timevar.h.
23031         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
23032         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
23033         * ggc-common.c: Include timevar.h.
23034         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
23035         * timevar.def (TV_PCH_SAVE): Define.
23036         (TV_PCH_CPP_SAVE): Define.
23037         (TV_PCH_PTR_REALLOC): Define.
23038         (TV_PCH_PTR_SORT): Define.
23039         (TV_PCH_RESTORE): Define.
23040         (TV_PCH_CPP_RESTORE): Define.
23041
23042 2010-04-13  Michael Matz  <matz@suse.de>
23043
23044         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
23045         into MINUS_EXPRs.
23046         (can_reassociate_p): New function.
23047         (break_up_subtract_bb, reassociate_bb): Use it.
23048
23049 2010-04-13  Richard Guenther  <rguenther@suse.de>
23050
23051         PR bootstrap/43737
23052         * builtins.c (c_readstr): Fix assert.
23053
23054 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
23055
23056         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
23057         when generating cltd insn.
23058
23059         (*ashl<mode>3_1): Remove special handling for register operand 2.
23060         (*ashlsi3_1_zext): Ditto.
23061         (*ashlhi3_1): Ditto.
23062         (*ashlhi3_1_lea): Ditto.
23063         (*ashlqi3_1): Ditto.
23064         (*ashlqi3_1_lea): Ditto.
23065         (*<shiftrt_insn><mode>3_1): Ditto.
23066         (*<shiftrt_insn>si3_1_zext): Ditto.
23067         (*<shiftrt_insn>qi3_1_slp): Ditto.
23068         (*<rotate_insn><mode>3_1): Ditto.
23069         (*<rotate_insn>si3_1_zext): Ditto.
23070         (*<rotate_insn>qi3_1_slp): Ditto.
23071
23072 2010-04-13  Richard Guenther  <rguenther@suse.de>
23073
23074         * tree-ssa-structalias.c (callused_id): Remove.
23075         (call_stmt_vars): New.
23076         (get_call_vi): Likewise.
23077         (lookup_call_use_vi): Likewise.
23078         (lookup_call_clobber_vi): Likewise.
23079         (get_call_use_vi): Likewise.
23080         (get_call_clobber_vi): Likewise.
23081         (make_transitive_closure_constraints): Likewise.
23082         (handle_const_call): Adjust to do per-call call-used handling.
23083         (handle_pure_call): Likewise.
23084         (find_what_var_points_to): Remove general callused handling.
23085         (init_base_vars): Likewise.
23086         (init_alias_vars): Initialize call_stmt_vars.
23087         (compute_points_to_sets): Process call-used and call-clobbered
23088         vars for call statements.
23089         (delete_points_to_sets): Free call_stmt_vars.
23090
23091 2010-04-13  Richard Guenther  <rguenther@suse.de>
23092
23093         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
23094         Only add RW dependence for dependence distance zero.
23095         Adjust maximal vectorization factor according to dependences.
23096         Move alignment handling ...
23097         (vect_find_same_alignment_drs): ... here.  New function.
23098         (vect_analyze_data_ref_dependences): Adjust.
23099         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
23100         (vect_analyze_data_refs): Adjust minimal vectorization factor
23101         according to data references.
23102         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
23103         dependences before determining the vectorization factor.
23104         Analyze alignment after determining the vectorization factor.
23105         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
23106         dependences before alignment.
23107         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
23108         Adjust prototype.
23109         (vect_analyze_data_refs): Likewise.
23110         (MAX_VECTORIZATION_FACTOR): New define.
23111
23112 2010-04-13  Duncan Sands  <baldrick@free.fr>
23113
23114         * except.h (lang_eh_type_covers): Remove.
23115         * except.c (lang_eh_type_covers): Likewise.
23116
23117 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23118             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23119
23120         * config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
23121         * config/s390/s390.c: Replace UNTIS_PER_WORD with
23122         UNITS_PER_LONG where it is ABI relevant.
23123         (s390_return_addr_rtx): Likewise.
23124         (s390_back_chain_rtx): Likewise.
23125         (s390_frame_area): Likewise.
23126         (s390_frame_info): Likewise.
23127         (s390_initial_elimination_offset): Likewise.
23128         (save_gprs): Likewise.
23129         (s390_emit_prologue): Likewise.
23130         (s390_emit_epilogue): Likewise.
23131         (s390_function_arg_advance): Likewise.
23132         (s390_function_arg): Likewise.
23133         (s390_va_start): Likewise.
23134         (s390_gimplify_va_arg): Likewise.
23135         (s390_function_profiler): Likewise.
23136         (s390_optimize_prologue): Likewise.
23137         (s390_rtx_costs): Likewise.
23138         (s390_secondary_reload): Likewise.
23139         (s390_promote_function_mode): Likewise.
23140         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
23141         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
23142         registers available.
23143         (s390_unwind_word_mode): New function.
23144         (s390_function_value): Split 64 bit values into register pair if
23145         used as return value.
23146         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
23147         function call parameters.  Handle parallels.
23148         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
23149         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
23150         (DWARF_CIE_DATA_ALIGNMENT): New macro.
23151         (s390_expand_setmem): Remove unused variable src_addr.
23152         * longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
23153         deal with 64 bit registers.
23154         * config/s390/s390.h: Define __zarch__ predefined macro.
23155         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
23156         (UNITS_PER_LONG): New macro.
23157         * libjava/include/s390-signal.h: Define extended ucontext
23158         structure containing the upper halfs of the 64 bit registers.
23159
23160 2010-04-13  Simon Baldwin  <simonb@google.com>
23161
23162         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
23163
23164 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
23165
23166         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
23167         rvalue on the RHS if the LHS is of a non-renamable type.
23168         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
23169
23170 2010-04-13  Matthias Klose  <doko@ubuntu.com>
23171
23172         * gcc.c (cc1_options): Handle -iplugindir before processing
23173         the cc1 spec. Only add -iplugindir once.
23174         (cpp_unique_options): Add -iplugindir option if -fplugin* options
23175         found.
23176         * common.opt (iplugindir): Remove `Separate' property, initialize.
23177         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
23178         option.
23179         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
23180         (distclean): Remove plugin dir.
23181         * doc/invoke.texi: Document -iplugindir.
23182
23183 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
23184
23185         * doc/plugins.texi (Loading Plugins): Document short
23186         -fplugin=foo option.
23187         (Plugin API): Mention default_plugin_dir_name function.
23188
23189         * gcc.c (find_file_spec_function): Add new declaration.
23190         (static_spec_func): Use it for "find-file".
23191         (find_file_spec_function): Add new function.
23192         (cc1_options): Add -iplugindir option if -fplugin* options found.
23193
23194         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
23195
23196         * plugin.c (add_new_plugin): Updated comment, and handle short
23197         plugin name.
23198         (default_plugin_dir_name): Added new function.
23199
23200         * common.opt (iplugindir): New option to set the plugin directory.
23201
23202 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
23203
23204         * config/i386/i386.md (any_rotate): New code iterator.
23205         (rotate_insn): New code attribute.
23206         (rotate): Ditto.
23207         (SWIM124): New mode iterator.
23208         (<rotate_insn>ti3): New expander.
23209         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
23210         any_rotate code iterator.
23211         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
23212         using any_rotate code iterator and SWIM124 mode iterator.
23213         (ix86_rotlti3): New insn_and_split pattern.
23214         (ix86_rotrti3): Ditto.
23215         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
23216         ix86_rotl{di,ti}3 patterns.
23217         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
23218         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
23219         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
23220         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
23221         code iterator and SWI mode iterator.
23222         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
23223         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
23224         code iterator.
23225         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
23226         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
23227         (bswap rotatert splitter): Add splitter.
23228         (bswap splitter): Macroize splitter using any_rotate code iterator.
23229         Add insn predicate to split only for TARGET_USE_XCHGB or when
23230         optimizing function for size.
23231
23232 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
23233
23234         * config/pa/pa.c (emit_move_sequence): Remove use of
23235         deleted variable flag_argument_noalias.
23236
23237 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23238
23239         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
23240         configurations.
23241         Add to unsupported targets list.
23242         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
23243         sparc*-sun-solaris2.[567]* from target lists.
23244         * configure: Regenerate.
23245         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
23246         removal.
23247         Remove Solaris 7 patch references.
23248         (Specific, sparc-sun-solaris2.7): Removed.
23249         (sparc-sun-solaris2*): Update Solaris 7 example.
23250         (sparc64-*-solaris2*): Likewise.
23251
23252 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23253
23254         * config.build (alpha*-dec-osf4*): Remove.
23255         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
23256         of obsolete configurations.
23257         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
23258         support.
23259         * config/alpha/t-osf4: Renamed to ...
23260         * config/alpha/t-osf5: ... this.
23261         * config/alpha/osf.h: Renamed to ...
23262         * config/alpha/osf5.h: ... this.
23263         Merged old osf5.h contents.
23264         Update comments.
23265         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
23266         (EXTRA_SPECS): Removed.
23267         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
23268         reflect removal of Tru64 UNIX V4.0/V5.0 support.
23269         Document that.
23270
23271 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23272
23273         * doc/contrib.texi (Contributors, Rainer Orth): Update.
23274
23275 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
23276
23277         PR/43702
23278         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
23279         __thiscall convention.
23280
23281 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
23282
23283         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
23284         orig_base.
23285         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
23286
23287 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
23288
23289         * function.c (assign_parms_initialize_all): Add unused attribute
23290         to fntype.
23291
23292 2010-04-12  Richard Guenther  <rguenther@suse.de>
23293
23294         * gsstruct.def (GSS_CALL): New.
23295         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
23296         * gimple.h: Include tree-ssa-alias.h.
23297         (struct gimple_statement_call): New.
23298         (union gimple_statement_struct_d): Add gimple_call member.
23299         (gimple_call_reset_alias_info): Declare.
23300         (gimple_call_use_set): New function.
23301         (gimple_call_clobber_set): Likewise.
23302         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
23303         * gimple.c (gimple_call_reset_alias_info): New function.
23304         (gimple_build_call_1): Call it.
23305         * lto-streamer-in.c (input_gimple_stmt): Likewise.
23306         * tree-inline.c (remap_gimple_stmt): Likewise.
23307         (expand_call_inline): Remove callused handling.
23308         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
23309         * tree-dfa.c (dump_variable): Likewise.
23310         * tree-parloops.c (parallelize_loops): Likewise.
23311         * tree-ssa.c (init_tree_ssa): Likewise.
23312         (delete_tree_ssa): Likewise.
23313         * tree-flow-inline.h (is_call_used): Remove.
23314         * tree-flow.h (struct gimple_df): Remove callused member.
23315         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
23316         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
23317         (ref_maybe_used_by_call_p_1): Simplify.
23318         (call_may_clobber_ref_p_1): Likewise.
23319         * tree-ssa-structalias.c (compute_points_to_sets): Set
23320         the call stmt used and clobbered sets.
23321         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
23322         (find_tail_calls): Verify the tail call.
23323
23324 2010-04-12  Richard Guenther  <rguenther@suse.de>
23325
23326         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
23327         single-iteration always-inline inlining.
23328         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
23329         (cgraph_decide_inlining): Do not handle always-inline specially.
23330         (try_inline): Remove always-inline cycle detection special case.
23331         Do not recurse on always-inlines.
23332         (cgraph_early_inlining): Do not iterate if not optimizing.
23333         (cgraph_gate_early_inlining): remove.
23334         (pass_early_inline): Run unconditionally.
23335         (gate_cgraph_decide_inlining): New function.
23336         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
23337         not inlining or optimizing.
23338         (cgraph_decide_inlining_of_small_functions): Also consider
23339         always-inline functions.
23340         (cgraph_default_inline_p): Return true for nodes which should
23341         disregard inline limits.
23342         (estimate_function_body_sizes): Assume zero size and time for
23343         nodes which are marked as disregarding inline limits.
23344         (cgraph_decide_recursive_inlining): Do not perform recursive
23345         inlining on always-inline nodes.
23346
23347 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
23348
23349         PR bootstrap/43699
23350         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
23351         for exprs satisfying handled_component_p.
23352
23353 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
23354
23355         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
23356         non-constant aggregate elements.
23357
23358         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
23359         is a real initialization.
23360
23361 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
23362
23363         PR c/36774
23364         * c-decl.c (start_function): Move forward check for nested function.
23365
23366 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
23367
23368         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
23369         * config/sh/sh.c: Include reload.h.
23370         (sh_legitimize_reload_address): New.
23371         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
23372         sh_legitimize_reload_address.
23373
23374 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
23375
23376         * config/sh/sh.md (*movqi_pop): New insn pattern.
23377         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
23378
23379 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
23380
23381         * config/i386/i386.md (any_shiftrt): New code iterator.
23382         (shiftrt_insn): New code attribute.
23383         (shiftrt): Ditto.
23384         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
23385         using any_shiftrt code iterator.
23386         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
23387         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
23388         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
23389         pattern from corresponding peephole2 patterns.
23390         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
23391         using any_shiftrt code iterator.
23392         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
23393         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
23394         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
23395         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
23396         *{ashr,lshr}<mode>3_cmp_zext.
23397         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
23398
23399 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
23400
23401         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
23402         scratch register.
23403         (*lshr<mode>3_cconly): Ditto.
23404
23405 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
23406
23407         * config/i386/i386.md (lshr<mode>3): Macroize expander from
23408         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
23409         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
23410         pattern from *lshr{di,ti}3_1 and corresponding splitters using
23411         DWI mode iterator.
23412         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
23413         from corresponding peephole2 patterns.
23414         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
23415         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
23416         and *lshrdi3_1_rex64 using SWI mode iterator.
23417         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
23418         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
23419         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
23420         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
23421         and *lshrdi3_cmp_rex64 using SWI mode iterator.
23422         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
23423         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
23424         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
23425         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
23426         SWI mode iterator.
23427
23428 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
23429
23430         * config/i386/i386.md (ashr<mode>3): Macroize expander from
23431         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
23432         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
23433         pattern from *ashr{di,ti}3_1 and corresponding splitters using
23434         DWI mode iterator.
23435         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
23436         from corresponding peephole2 patterns.
23437         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
23438         (ashrsi3_cvt): Rename from ashrsi3_31.
23439         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
23440         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
23441         and x86_64_shift_adj_3 using SWI48 mode iterator.
23442         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
23443         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
23444         and *ashrdi3_1_rex64 using SWI mode iterator.
23445         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
23446         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
23447         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
23448         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
23449         and *ashrdi3_cmp_rex64 using SWI mode iterator.
23450         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
23451         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
23452         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
23453         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
23454         SWI mode iterator.
23455         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
23456         * config/i386/i386.c (ix86_split_ashr): Update for renamed
23457         x86_shift<mode>_adj_3 expanders.
23458
23459 2010-04-10  Wei Guozhi  <carrot@google.com>
23460
23461         PR target/42601
23462         * config/arm/arm.c (arm_pic_static_addr): New function.
23463         (legitimize_pic_address): Call arm_pic_static_addr when it detects
23464         a static symbol.
23465         (arm_output_addr_const_extra): Output expression for new pattern.
23466         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
23467
23468 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
23469
23470         * ira-costs.c (record_reg_classes): Ignore alternatives that are
23471         not enabled.
23472
23473         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
23474         * web.c: Include "insn-config.h" and "recog.h".
23475         (union_match_dups): New function.
23476         (web_main): Call it.
23477         (union_defs): Don't try to recognize match_dups.
23478
23479         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
23480         if doing so would replace the entire pattern.
23481
23482 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
23483
23484         PR target/43707
23485         PR target/43709
23486         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
23487         and splitter pattern.  Change splitter operand 1 predicate to
23488         nonmemory_operand.
23489
23490 2010-04-09  Martin Jambor  <mjambor@suse.cz>
23491
23492         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
23493         lattices are addresses of CONST_DECLs with the same initial value.
23494         (ipcp_print_all_lattices): Print values of CONST_DECLs.
23495         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
23496
23497 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
23498             Bernd Schmidt  <bernds@codesourcery.com>
23499
23500         * loop-invariant.c (replace_uses): New static function.
23501         (move_invariant_reg): Use it to ensure we can replace the uses.
23502
23503 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
23504
23505         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
23506         function template.
23507         (picochip_override_options): Enable section anchors only above -O1.
23508         (picochip_reorg): Fixed a couple of build warnings.
23509
23510 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23511
23512         * configure.ac (plugin -rdynamic test): Log result.
23513         * configure: Regenerate.
23514         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
23515         (RDYNAMIC_SPEC): Define.
23516         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
23517
23518 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23519
23520         * configure.ac: Determine Sun ld version numbers.
23521         (comdat_group): Restrict GNU ld version checks to gld.
23522         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
23523         (enable_comdat): Support --enable-comdat.
23524         * configure: Regenerate.
23525         * doc/install.texi (Configuration): Document --enable-comdat.
23526
23527 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23528
23529         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
23530         * config/sol2-gld.h: ... here.
23531         * config.gcc (sparc*-*-solaris2*): Reflect this.
23532         (i[34567]86-*-solaris2*): Use it.
23533
23534 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
23535
23536         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
23537         setup_clocks_p.
23538         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
23539
23540 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23541
23542         PR 42965
23543         * diagnostic.c (diagnostic_initialize): Initialize
23544         some_warnings_are_errors.
23545         (diagnostic_finish): New.
23546         (diagnostic_action_after_output): Call it before exiting.
23547         (diagnostic_report_diagnostic): Do not print message here. Set
23548         some_warnings_are_errors.
23549         * diagnostic.h (diagnostic_context): Delete
23550         issue_warnings_are_errors_message. Add some_warnings_are_errors.
23551         (diagnostic_finish): Declare.
23552         * toplev.c (toplev_main): Call it before exit.
23553
23554 2010-04-09  Jason Merrill  <jason@redhat.com>
23555
23556         PR c++/42623
23557         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
23558         for incomplete type.
23559
23560         PR c++/41788
23561         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
23562         based on a warning flag.
23563
23564 2010-04-09  Richard Guenther  <rguenther@suse.de>
23565
23566         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
23567
23568 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
23569
23570         PR bootstrap/43684
23571         * varasm.c (default_assemble_visibility): Wrap vars that are
23572         set, but unused, by targets without GAS.
23573         * config/rs6000/rs6000.c (paired_emit_vector_compare):
23574         Remove set, but unused, vars.
23575         (rs6000_legitimize_tls_address): Likewise.
23576         (altivec_expand_dst_builtin): Likewise.
23577         * config/darwin.c (machopic_classify_symbol): Likewise.
23578         (machopic_indirection_name): Likewise.
23579
23580 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
23581
23582         * config/i386/i386.md (DWI): New mode iterator.
23583         (S): New mode attribute.
23584         (shift_operand): Ditto.
23585         (shift_immediate_operand): Ditto.
23586         (ashl_input_operand): Ditto.
23587         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
23588         using SDWIM mode iterator.
23589         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
23590         pattern from *ashl{di,ti}3_1 and corresponding splitters using
23591         DWI mode iterator.
23592         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
23593         from corresponding peephole2 patterns.
23594         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
23595         and x86_64_shift_adj_1 using SWI48 mode iterator.
23596         (x86_shift<mode>_adj_2): Ditto.
23597         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
23598         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
23599         using SWI48 mode iterator.
23600         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
23601         *ashldi3_cmp_rex64 using SWI mode iterator.
23602         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
23603         *ashldi3_cconly_rex64 using SWI mode iterator.
23604         * config/i386/i386.c (ix86_split_ashl): Update for renamed
23605         x86_shift<mode>_adj_{1,2}.
23606         (ix86_split_ashr): Ditto.
23607         (ix86_split_lshr): Ditto.
23608
23609 2010-04-09  Richard Guenther  <rguenther@suse.de>
23610
23611         * target.h (builtin_conversion): Pass in input and output types.
23612         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
23613         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
23614         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
23615         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
23616
23617         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
23618         Handle AVX modes.
23619         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
23620
23621 2010-04-09  Richard Guenther  <rguenther@suse.de>
23622
23623         PR target/43152
23624         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
23625
23626 2010-04-09  Richard Guenther  <rguenther@suse.de>
23627
23628         * tree-vectorizer.h (struct _stmt_vec_info): Document
23629         that vectype is the type of the LHS.
23630         (supportable_widening_operation, supportable_narrowing_operation):
23631         Get both input and output vector types as arguments.
23632         (vect_is_simple_use_1): Declare.
23633         (get_same_sized_vectype): Likewise.
23634         * tree-vect-loop.c (vect_determine_vectorization_factor):
23635         Set STMT_VINFO_VECTYPE to the vector type of the def.
23636         (vectorizable_reduction): Adjust.
23637         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
23638         Adjust.  Specify the output vector type.
23639         (vect_pattern_recog_1): Adjust.
23640         * tree-vect-stmts.c (get_same_sized_vectype): New function.
23641         (vectorizable_call): Adjust.
23642         (vectorizable_conversion): Likewise.
23643         (vectorizable_operation): Likewise.
23644         (vectorizable_type_demotion): Likewise.
23645         (vectorizable_type_promotion): Likewise.
23646         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
23647         the def.
23648         (vect_is_simple_use_1): New function.
23649         (supportable_widening_operation): Get both input and output
23650         vector types.
23651         (supportable_narrowing_operation): Likewise.
23652         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
23653
23654 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
23655
23656         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
23657         __thiscall and _thiscall as predefined macros.
23658         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
23659         thiscall attribute handling.
23660         (ix86_comp_type_attributes): Likewise.
23661         (ix86_function_regparm): Likewise.
23662         (ix86_return_pops_args): Likewise.
23663         (init_cumulative_args): Likewise.
23664         (find_drap_reg): Likewise.
23665         (ix86_static_chain): Likewise.
23666         (x86_this_parameter): Likewise.
23667         (x86_output_mi_thunk): Likewise.
23668         (ix86_attribute_table): Add description for thiscall attribute.
23669         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
23670         * doc/extend.texi: Add documentation for thiscall.
23671
23672 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23673
23674         PR c++/28584
23675         * c.opt (Wint-to-pointer-cast): Available in C++.
23676         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
23677
23678 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
23679
23680         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
23681         * calls.c (expand_call): Pass the function type to aggregate_value_p.
23682         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
23683         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
23684         function type instead.  Reorder and simplify checks.
23685
23686         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
23687
23688 2010-04-08  Jing Yu  <jingyu@google.com>
23689             Zdenek Dvorak  <ook@ucw.cz>
23690
23691         PR tree-optimization/42720
23692         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
23693         loop unswitch conditions here from ...
23694         (tree_unswitch_single_loop): ... here.
23695
23696 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
23697
23698         * tree-if-conv.c: Fix comments and simplify logic.
23699
23700 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
23701
23702         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
23703         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
23704         (main_tree_if_conversion): Update call to tree_if_conversion.
23705
23706 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23707
23708         PR 42485
23709         * doc/invoke.texi (-b,-V): Delete.
23710         * doc/tm.texi: Do not mention -b.
23711         * gcc.c (display_help): Delete -b and -V.
23712         (process_command): Delete -b and -V.
23713         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
23714
23715 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
23716             Wolfgang Gellerich  <gellerich@de.ibm.com>
23717
23718         Implement target hook for loop unrolling
23719         * target.h (loop_unroll_adjust): Add a new target hook function.
23720         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
23721         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
23722         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
23723         (s390_loop_unroll_adjust): Implement the new target hook for s390.
23724         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
23725         target hook.
23726         (decide_unroll_stupid): Likewise.
23727
23728 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23729
23730         PR target/43643
23731         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
23732
23733 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23734
23735         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
23736         (Specific, *-*-solaris2*): Likewise.
23737         Don't prefer Sun as over GNU as.
23738
23739 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
23740
23741         * config/s390/s390.c (override_options): Adjust the z10 defaults
23742         for max-unroll-times, max-completely-peeled-insns
23743         and max-completely-peel-times.
23744
23745 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23746
23747         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
23748         instructions for z10.
23749         (s390_expand_setmem): Likewise.
23750         (s390_expand_cmpmem): Likewise.
23751
23752 2010-04-08  Richard Guenther  <rguenther@suse.de>
23753
23754         PR tree-optimization/43679
23755         * tree-ssa-pre.c (eliminate): Only propagate copies.
23756
23757 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
23758
23759         PR bootstrap/43681
23760         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
23761         set but not used variable warning.
23762
23763 2010-04-08  Wei Guozhi  <carrot@google.com>
23764
23765         PR target/41653
23766         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
23767         (arm_size_rtx_costs): Call the new function when optimized for size.
23768
23769 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
23770
23771         PR debug/43670
23772         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
23773         op0 is not a MEM, just return NULL instead of assertion
23774         failure.
23775         (discover_nonconstant_array_refs): Don't walk debug stmts.
23776
23777 2010-04-08  Doug Kwan  <dougkwan@google.com>
23778
23779         * configure.ac: Recognize gold and do not use its version number
23780         to test ld features.
23781         * configure: Regenerate.
23782
23783 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
23784
23785         PR middle-end/40815
23786         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
23787         (negate_value): Move code to push elements to broken_up_substracts ...
23788         (eliminate_plus_minus_pair): ... here.  Push operands that have no
23789         negative pair to plus_negates.
23790         (repropagate_negates, init_reassoc, fini_reassoc): Update.
23791
23792 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23793
23794         * doc/install.texi (Configuration): Move description of
23795         --enable-lto, --with-libelf*, --enable-gold from Java section to
23796         general section.
23797
23798         * doc/generic.texi (Working with declarations)
23799         (Function Properties, C and C++ Trees): Fix typos.
23800         * doc/sourcebuild.texi (Top Level): Likewise.
23801
23802 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
23803
23804         PR c/18624
23805         * tree.h (DECL_READ_P): Define.
23806         (struct tree_decl_common): Add decl_read_flag.
23807         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
23808         a set but not used warning.
23809         (merge_decls): Merge DECL_READ_P flag.
23810         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
23811         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
23812         * c-common.c (handle_used_attribute, handle_unused_attribute):
23813         Likewise.
23814         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
23815         New prototypes.
23816         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
23817         New functions.
23818         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
23819         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
23820         c_parser_binary_expression, c_parser_cast_expression,
23821         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
23822         Call default_function_array_read_conversion instead of
23823         default_function_array_conversion where needed.
23824         (c_parser_unary_expression, c_parser_conditional_expression,
23825         c_parser_postfix_expression_after_primary, c_parser_initelt):
23826         Likewise.  Call mark_exp_read where needed.
23827         (c_parser_statement_after_labels, c_parser_asm_operands,
23828         c_parser_typeof_specifier, c_parser_sizeof_expression,
23829         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
23830         where needed.
23831         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
23832         New.
23833         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
23834         (warn_unused_but_set_parameter): Default to warn_unused
23835         && extra_warnings.
23836         * doc/invoke.texi: Document -Wunused-but-set-variable and
23837         -Wunused-but-set-parameter.
23838
23839         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
23840         used count variable.
23841         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
23842         when operandN variables aren't used in the body of the expander
23843         or splitter.
23844         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
23845         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
23846         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
23847         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
23848         FOR_EACH_IMM_USE_ON_STMT): Likewise.
23849         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
23850         * tree.c (PROCESS_ARG): Likewise.
23851
23852 2010-04-07  Simon Baldwin  <simonb@google.com>
23853
23854         * diagnostic.h (diagnostic_override_option_index): New macro to
23855         set a diagnostic's option_index.
23856         * c-tree.h (c_cpp_error): Add warning reason argument.
23857         * opts.c (_warning_as_error_callback): New.
23858         (register_warning_as_error_callback): Store callback for
23859         warnings enabled via enable_warning_as_error.
23860         (enable_warning_as_error): Call callback, minor code tidy.
23861         * opts.h (register_warning_as_error_callback): Declare.
23862         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
23863         response to -Werror=.
23864         (c_common_init_options): Register warning_as_error_callback in opts.c.
23865         * common.opt: Add -Wno-cpp option.
23866         * c-common.c (struct reason_option_codes_t): Map cpp warning
23867         reason codes to gcc option indexes.
23868         * (c_option_controlling_cpp_error): New function, lookup the gcc
23869         option index for a cpp warning reason code.
23870         * (c_cpp_error): Add warning reason argument, call
23871         c_option_controlling_cpp_error for diagnostic_override_option_index.
23872         * doc/invoke.texi: Document -Wno-cpp.
23873
23874 2010-04-07  Richard Guenther  <rguenther@suse.de>
23875
23876         * ipa-reference.c (mark_load): Use get_base_address.
23877         (mark_store): Likewise.
23878
23879         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
23880         inserting GIMPLE_NOPs into the IL.
23881         * tree-ssa-structalias.c (get_constraint_for_component_ref):
23882         Explicitly strip handled components and indirect references.
23883
23884         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
23885         folding address expressions.
23886         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
23887         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
23888         operand_equal_p to compare decls.
23889         (ptr_deref_may_alias_decl_p): Likewise.
23890         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
23891         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
23892         Handle reversed comparison ops.
23893         * tree-sra.c (asm_visit_addr): Use get_base_address.
23894         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
23895         * ipa-reference.c (mark_address): Use get_base_address.
23896
23897 2010-04-07  Richard Guenther  <rguenther@suse.de>
23898
23899         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
23900         Propagate constants everywhere.
23901
23902 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
23903
23904         PR debug/43516
23905         * tree.c (MAX_INT_CACHED_PREC): Define.
23906         (nonstandard_integer_type_cache): New array.
23907         (build_nonstandard_integer_type): Cache results for precision
23908         <= MAX_INT_CACHED_PREC.
23909
23910 2010-04-07  Richard Guenther  <rguenther@suse.de>
23911
23912         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
23913         -fargument-noalias-global, -fargument-noalias-anything): Remove.
23914         * common.opt: Likewise.
23915         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
23916         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
23917         (nonoverlapping_memrefs_p): Likewise.
23918         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
23919         * opts.c (common_handle_option): Handle OPT_fargument_alias,
23920         OPT_fargument_noalias, OPT_fargument_noalias_anything and
23921         OPT_fargument_noalias_global for backward compatibility.
23922
23923 2010-04-07  Richard Guenther  <rguenther@suse.de>
23924
23925         PR tree-optimization/43270
23926         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
23927         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
23928         * tree-ssa-pre.c (phi_translate_1): Adjust.
23929         (fully_constant_expression): Split out vn_reference handling to ...
23930         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
23931         Fold reads from constant strings.
23932         (vn_reference_lookup): Handle fully constant references.
23933         (vn_reference_lookup_pieces): Likewise.
23934         * Makefile.in (expmed.o-warn): Add -Wno-error.
23935
23936 2010-04-07  Martin Jambor  <mjambor@suse.cz>
23937
23938         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
23939
23940 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
23941
23942         PR driver/41594
23943         * gcc.c: Add -static-libstdc++ to list of recognized options.
23944
23945 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
23946
23947         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
23948
23949 2010-04-07  Richard Guenther  <rguenther@suse.de>
23950
23951         PR middle-end/42617
23952         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
23953         bases build simple mem attributes to retain points-to information.
23954
23955 2010-04-07  Richard Guenther  <rguenther@suse.de>
23956
23957         PR middle-end/42617
23958         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
23959         preserve points-to related information.
23960
23961 2010-04-07  Richard Guenther  <rguenther@suse.de>
23962
23963         PR middle-end/42617
23964         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
23965         discard plain indirect references.
23966         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
23967         * tree.c (tree_nop_conversion): Likewise.
23968
23969 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
23970
23971         PR debug/43628
23972         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
23973
23974 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
23975
23976         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
23977         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
23978
23979 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
23980
23981         * tree-if-conv.c: Fix indentation and comments.
23982
23983 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
23984
23985         * tree-if-conv.c: Sort static functions in topological order.
23986
23987 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
23988
23989         * tree-if-conv.c: Fix indentation and comments.
23990
23991 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
23992
23993         PR middle-end/43519
23994         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
23995         lang_hooks.types.type_for_size instead of
23996         build_nonstandard_integer_type.
23997         When converting an unsigned type to signed, double its precision.
23998         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
23999         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
24000         (graphite_create_new_loop_guard): When ub + 1 wraps around,
24001         use lb <= ub.
24002
24003 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
24004
24005         PR middle-end/43519
24006         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
24007         POINTER_PLUS_EXPR for pointer types.
24008
24009 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
24010
24011         PR middle-end/43519
24012         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
24013         * graphite-clast-to-gimple.c: Include langhooks.h.
24014         (max_signed_precision_type): New.
24015         (max_precision_type): Takes two types as arguments.
24016         (precision_for_value): New.
24017         (precision_for_interval): New.
24018         (gcc_type_for_interval): New.
24019         (gcc_type_for_value): New.
24020         (gcc_type_for_clast_term): New.
24021         (gcc_type_for_clast_red): New.
24022         (gcc_type_for_clast_bin): New.
24023         (gcc_type_for_clast_expr): Split up into several functions.
24024         (gcc_type_for_clast_eq): Rewritten.
24025         (compute_bounds_for_level): New.
24026         (compute_type_for_level_1): New.
24027         (compute_type_for_level): New.
24028         (gcc_type_for_cloog_iv): Removed.
24029         (gcc_type_for_iv_of_clast_loop): Rewritten.
24030         (graphite_create_new_loop): Compute the lower and upper bound types
24031         with gcc_type_for_clast_expr.
24032         (graphite_create_new_loop_guard): Same.
24033         (find_cloog_iv_in_expr): Removed.
24034         (compute_cloog_iv_types_1): Removed.
24035         (compute_cloog_iv_types): Removed.
24036         (gloog): Do not call compute_cloog_iv_types.
24037         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
24038         GBB_CLOOG_IV_TYPES.
24039         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
24040         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
24041         (GBB_CLOOG_IV_TYPES): Removed.
24042
24043 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
24044
24045         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
24046         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
24047         (detect_commutative_reduction): Same.
24048
24049 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
24050
24051         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
24052         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
24053         argument.
24054         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
24055         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
24056         (rewrite_commutative_reductions_out_of_ssa): Same.
24057         * passes.c (execute_function_todo): Call verify_ssa for every pass
24058         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
24059         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
24060         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
24061         with an extra argument.
24062         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
24063         verify_ssa only when the extra argument is true.
24064         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
24065         with an extra argument.
24066         (tree_transform_and_unroll_loop): Same.
24067
24068 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
24069
24070         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
24071         for all the passes of the LNO having LOOP_CLOSED_SSA.
24072         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
24073         * tree-loop-distribution.c (pass_loop_distribution): Same.
24074         * tree-pass.h (TODO_verify_loops): Removed.
24075         * tree-ssa-loop.c (pass_tree_loop_init): Same.
24076         (pass_lim): Same.
24077         (pass_tree_unswitch): Same.
24078         (pass_predcom): Same.
24079         (pass_vectorize): Same.
24080         (pass_linear_transform): Same.
24081         (pass_graphite_transforms): Same.
24082         (pass_iv_canon): Same.
24083         (pass_complete_unroll): Same.
24084         (pass_complete_unrolli): Same.
24085         (pass_parallelize_loops): Same.
24086         (pass_loop_prefetch): Same.
24087         (pass_iv_optimize): Same.
24088
24089 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
24090
24091         PR middle-end/32824
24092         * passes.c (init_optimization_passes): Move pass_lim before
24093         pass_copy_prop and pass_dce_loop.
24094
24095 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
24096
24097         PR target/43667
24098         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
24099         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
24100         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
24101         MULTI_* defines for 4 argument vpermil2p* builtins.
24102
24103 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
24104
24105         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
24106         * config/i386/i386.c (x86_maybe_negate_const_int): New.
24107         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
24108         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
24109         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
24110         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
24111         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
24112         Use x86_maybe_negate_const_int to output insn mnemonic.
24113         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
24114         check from instruction predicate.  Update comments.
24115         * config/i386/sync.md (sync_add<mode>): Use
24116         x86_maybe_negate_const_int to output insn mnemonic.
24117
24118 2010-04-06  Jan Hubicka  <jh@suse.cz>
24119
24120         PR tree-optimization/42906
24121         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
24122         IGNORE_SELF argument.  Set visited_control_parents for fully
24123         processed BBs.
24124         (find_obviously_necessary_stmts): Update call of
24125         mark_control_dependent_edges_necessary.
24126         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
24127
24128 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
24129
24130         * config/i386/i386.md: Remove comment about 'e' and 'E'
24131         operand modifier.
24132
24133 2010-04-06  Richard Guenther  <rguenther@suse.de>
24134
24135         PR tree-optimization/43627
24136         * tree-vrp.c (extract_range_from_unary_expr): Widenings
24137         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
24138         not varying.
24139
24140 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
24141
24142         * BASE-VER: Change to 4.6.0.
24143
24144         PR target/43638
24145         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
24146         handling.
24147
24148 2010-04-06  Richard Guenther  <rguenther@suse.de>
24149
24150         PR middle-end/43661
24151         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
24152
24153 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24154
24155         * doc/invoke.texi (Optimize Options): Document that LTO
24156         won't remove object access purely due to incompatible
24157         declarations.
24158
24159 2010-04-04  Matthias Klose  <doko@ubuntu.com>
24160
24161         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
24162         Initialize variable.
24163
24164 2010-04-03  Richard Guenther  <rguenther@suse.de>
24165
24166         PR middle-end/42509
24167         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
24168         require a non-NULL MEM_OFFSET.
24169
24170 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
24171
24172         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
24173         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
24174         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
24175         config/alpha/predicates.md, config/arm/arm.md,
24176         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
24177         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
24178         config/darwin9.h, config/darwin.c, config/darwin.h,
24179         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
24180         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
24181         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
24182         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
24183         config/mips/mips.md, config/mn10300/mn10300.c,
24184         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
24185         config/rs6000/aix.h, config/rs6000/dfp.md,
24186         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
24187         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
24188         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
24189         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
24190         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
24191         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
24192         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
24193         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
24194         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
24195         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
24196         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
24197         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
24198         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
24199         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
24200         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
24201         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
24202         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
24203         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
24204         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
24205         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
24206         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
24207         opt-functions.awk, opth-gen.awk, params.def, passes.c,
24208         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
24209         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
24210         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
24211         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
24212         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
24213         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
24214         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
24215         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
24216         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
24217         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
24218         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
24219         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
24220         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
24221         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
24222
24223 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24224
24225         PR other/43620
24226         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
24227         * aclocal.m4: Regenerate.
24228
24229 2010-04-02  Richard Guenther  <rguenther@suse.de>
24230
24231         PR tree-optimization/43629
24232         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
24233         if we have seen a constant value.
24234
24235 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
24236
24237         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
24238
24239 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
24240
24241         PR target/43469
24242         * arm.c (legitimize_tls_address): Adjust call to
24243         gen_tls_load_dot_plus_four.
24244         (arm_note_pic_base): New function.
24245         (arm_cannot_copy_insn_p): Use it.
24246         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
24247         constraint.
24248
24249 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24250
24251         PR bootstrap/43531
24252
24253         Revert:
24254         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
24255
24256         * Makefile.in ($(out_object_file)): Depend on
24257         gt-$(basename $(notdir $(out_file))).h.
24258
24259 2010-04-01  Ralf Corsépius  <ralf.corsepius@rtems.org>
24260
24261         * config.gcc (lm32-*-rtems*): Add t-lm32.
24262
24263 2010-04-01  Joel Sherrill  <joel.sherrill@oarcorp.com>
24264
24265         * config.gcc: Add lm32-*-rtems*.
24266         * config/lm32/rtems.h: New file.
24267
24268 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
24269
24270         PR target/42609
24271         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
24272
24273 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
24274
24275         * dwarf2out.c (output_compilation_unit_header): For
24276         -gdwarf-4 use version 4 instead of version 3.
24277         (output_line_info): For version 4 and above emit additional
24278         maximum ops per insn header field.
24279         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
24280
24281         * dwarf2out.c (is_c_family, is_java): Remove.
24282         (lower_bound_default): New function.
24283         (add_bound_info, gen_descr_array_type_die): Use it.
24284
24285 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
24286
24287         PR debug/43325
24288         * dwarf2out.c (gen_variable_die): Allow debug info for variable
24289         re-declaration when it happens in a function.
24290
24291 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
24292
24293         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
24294         (cgraph_remove_function_insertion_hook): Same.
24295         (cgraph_call_function_insertion_hooks): Same.
24296
24297 2010-04-01  Richard Guenther  <rguenther@suse.de>
24298
24299         PR middle-end/43614
24300         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
24301         and TREE_THIS_VOLATILE.
24302         (copy_ref_info): Likewise.
24303         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
24304         * tree.c (build6_stat): Ignore side-effects of all but arg5
24305         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
24306         TARGET_MEM_REF.
24307
24308 2010-04-01  Richard Guenther  <rguenther@suse.de>
24309
24310         PR tree-optimization/43607
24311         * ipa-type-escape.c (check_call): Do not access non-existing
24312         arguments.
24313
24314 2010-04-01  Richard Guenther  <rguenther@suse.de>
24315
24316         PR middle-end/43602
24317         Revert
24318         2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
24319                     Jack Howarth  <howarth@bromo.med.uc.edu>
24320
24321         * tree-profile.c (tree_init_ic_make_global_vars): Make static
24322         variables TLS.
24323
24324 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24325
24326         * doc/install.texi (Prerequisites): Document libelf usability on
24327         IRIX 5/6 and Solaris 2.
24328         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
24329         Update GNU as, GNU ld requirements.
24330         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
24331         Document Sun Studio compiler download.
24332         Update and simplify as, ld recommendations.
24333         (Specific, *-*-solaris2.7): Note obsoletion, removal.
24334
24335 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24336
24337         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
24338         with_tune_32 to pentium4.
24339
24340 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
24341
24342         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
24343
24344 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24345
24346         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
24347         obsoletion, removal.
24348         Update IDO URL.
24349         Document GNU as requirement.
24350         Update configure requirements.
24351         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
24352         Recomment IRIX 6.5.18+.
24353         Document IDF/IDL requirement.
24354         Document GNU as requirement.
24355         Document GNU ld bootstrap failure.
24356         Remove freeware.sgi.com reference.
24357
24358 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24359
24360         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
24361         UNIX V4.0, V5.0 obsoletion, removal.
24362         Remove --with-gc=simple reference.
24363         Update VM requirements during bootstrap.
24364         Remove -oldas bootstrap description.
24365         Update binutils reference.
24366         Remove comparison failure note.
24367
24368 2010-03-31  Richard Guenther  <rguenther@suse.de>
24369             Zdenek Dvorak  <ook@ucw.cz>
24370             Sebastian Pop  <sebastian.pop@amd.com>
24371
24372         PR middle-end/43464
24373         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
24374         with multiple arguments.
24375         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
24376
24377 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
24378
24379         * graphite-dependences.c (print_pddr): Call print_pdr with an
24380         extra argument.
24381         * graphite-poly.c (debug_pdr): Add an extra argument for the
24382         verbosity level.
24383         (print_pdr): Same.
24384         (print_pbb_domain): Same.
24385         (print_pbb): Same.
24386         (print_scop_context): Same.
24387         (print_scop): Same.
24388         (print_cloog): Same.
24389         (debug_pbb_domain): Same.
24390         (debug_pbb): Same.
24391         (print_pdrs): Same.
24392         (debug_pdrs): Same.
24393         (debug_scop_context): Same.
24394         (debug_scop): Same.
24395         (debug_cloog): Same.
24396         (print_scop_params): Same.
24397         (debug_scop_params): Same.
24398         (print_iteration_domain): Same.
24399         (print_iteration_domains): Same.
24400         (debug_iteration_domain): Same.
24401         (debug_iteration_domains): Same.
24402         (print_scattering_function): Same.
24403         (print_scattering_functions): Same.
24404         (debug_scattering_function): Same.
24405         (debug_scattering_functions): Same.
24406         * graphite-poly.h (debug_pdr): Update declaration.
24407         (print_pdr): Same.
24408         (print_pbb_domain): Same.
24409         (print_pbb): Same.
24410         (print_scop_context): Same.
24411         (print_scop): Same.
24412         (print_cloog): Same.
24413         (debug_pbb_domain): Same.
24414         (debug_pbb): Same.
24415         (print_pdrs): Same.
24416         (debug_pdrs): Same.
24417         (debug_scop_context): Same.
24418         (debug_scop): Same.
24419         (debug_cloog): Same.
24420         (print_scop_params): Same.
24421         (debug_scop_params): Same.
24422         (print_iteration_domain): Same.
24423         (print_iteration_domains): Same.
24424         (debug_iteration_domain): Same.
24425         (debug_iteration_domains): Same.
24426         (print_scattering_function): Same.
24427         (print_scattering_functions): Same.
24428         (debug_scattering_function): Same.
24429         (debug_scattering_functions): Same.
24430
24431 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
24432
24433         * graphite-poly.c (print_scattering_function_1): New.
24434         (print_scattering_function): Call it.
24435         (print_scop_params): Remove spaces at the end of lines.
24436         (print_cloog): New.
24437         (debug_cloog): New.
24438         * graphite-poly.h (print_cloog): Declared.
24439         (debug_cloog): Declared.
24440
24441 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
24442
24443         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
24444         in loop->header.
24445         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
24446         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
24447         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
24448         to switch between adding the IV bump in loop->latch or in loop->header.
24449
24450 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
24451
24452         * graphite-poly.c (print_scattering_function): Pretty print following
24453         the scoplib format.
24454         (print_pdr): Same.
24455         (print_pbb_domain): Same.
24456         (dump_gbb_cases): Same.
24457         (dump_gbb_conditions): Same.
24458         (print_pdrs): Same.
24459         (print_pbb): Same.
24460         (print_scop_params): Same.
24461         (print_scop_context): Same.
24462         (print_scop): Same.
24463         (print_pbb_body): New.
24464         (lst_indent_to): New.
24465         (print_lst): Start new lines with a #.
24466         * graphite-poly.h (pbb_bb): New.
24467         (pbb_index): Use pbb_bb.
24468         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
24469         disjuncts.
24470         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
24471
24472 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
24473
24474         * dwarf2out.c (size_of_die): For -gdwarf-4 use
24475         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
24476         and 0 instead of 1 for dw_val_class_flag.
24477         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
24478         dw_val_class_range_list, dw_val_class_loc_list,
24479         dw_val_class_lineptr and dw_val_class_macptr, use
24480         DW_FORM_flag_present for dw_val_class_flag and
24481         DW_FORM_exprloc for dw_val_class_loc.
24482         (output_die): For -gdwarf-4 print dw_val_class_loc
24483         size as uleb128 instead of 1 or 2 bytes and don't print
24484         anything for dw_val_class_flag.
24485
24486         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
24487         instead of cselib_lookup following by tweaking locs->setting_insn.
24488
24489         PR bootstrap/43596
24490         * cselib.c (cselib_process_insn): Clear cselib_current_insn
24491         even before returning from label, setjmp call or volatile asm
24492         handling.
24493
24494 2010-03-31  Richard Guenther  <rguenther@suse.de>
24495
24496         PR middle-end/43600
24497         * cgraphunit.c (cgraph_output_in_order): Do not allocate
24498         temporary data on stack.
24499
24500 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24501
24502         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
24503         (PUSHSECTION_ASM_OP): Remove.
24504         (POPSECTION_ASM_OP): Remove.
24505         (PUSHSECTION_FORMAT): Remove.
24506         * config/sol2.h (PUSHSECTION_FORMAT): Define.
24507         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
24508         * config/sol2.c (solaris_output_init_fini): Use it.
24509
24510 2010-03-31  Jie Zhang  <jie@codesourcery.com>
24511
24512         PR 43574
24513         * opt-functions.awk (var_type_struct): Use signed char type
24514         for simple variables.
24515
24516 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24517
24518         * config/sol2.c: Include output.h.
24519         (solaris_assemble_visibility): New function.
24520         * config/t-sol2 (sol2.o): Add output.h dependency.
24521         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
24522         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
24523         Redefine.
24524
24525 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
24526
24527         PR target/43580
24528         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
24529         V2SImode or XFmode on PRE_DEC.
24530
24531         PR debug/43557
24532         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
24533         BLKmode.
24534
24535 2010-03-31  Jie Zhang  <jie@codesourcery.com>
24536
24537         PR 43562
24538         * reload.h (caller_save_initialized_p): Declare.
24539         * toplev.c (backend_init_target): Don't call
24540         init_caller_save but set caller_save_initialized_p to false.
24541         * caller-save.c (caller_save_initialized_p): Define.
24542         (init_caller_save): Check caller_save_initialized_p.
24543         * ira.c (ira): Call init_caller_save if flag_caller_saves.
24544
24545 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24546
24547         PR target/39048
24548         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
24549         and soft-fp/t-softfp to tmake_file.
24550         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
24551         (LIBGCC2_TF_CEXT): Define.
24552         (TF_SIZE): Define.
24553
24554 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
24555
24556         PR debug/42977
24557         * cselib.c (n_useless_values): Document handling of debug locs.
24558         (n_useless_debug_values, n_debug_values): New variables.
24559         (new_elt_loc_list): Don't add to debug values, keep count.
24560         (promote_debug_loc): New.
24561         (cselib_reset_table): Zero new variables.
24562         (entry_and_rtx_equal_p): Promote debug locs.
24563         (discard_useless_locs): Increment n_useless_debug_values for
24564         debug values.
24565         (remove_useless_values): Adjust n_useless_values and n_debug_values
24566         with n_useless_debug_values.
24567         (add_mem_for_addr): Promote debug locs.
24568         (cselib_lookup_mem): Likewise.
24569         (cselib_lookup_addr): Renamed to...
24570         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
24571         (cselib_log_lookup): ... this.  Turn into...
24572         (cselib_lookup_addr): ... new wrapper.
24573         (cselib_lookup_from_insn): New.
24574         (cselib_invalidate_regno): Increment n_useless_debug_values for
24575         debug values.
24576         (cselib_invalidate_mem): Likewise.
24577         (cselib_process_insn): Take n_deleted and n_debug_values into
24578         account to guard remove_useless_value call.
24579         (cselib_finish): Zero n_useless_debug_values.
24580         * cselib.h (cselib_lookup_from_insn): Declare.
24581         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
24582         (sched_analyze_2): Likewise.
24583
24584 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
24585
24586         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
24587         functions.
24588         (adjust_mems): Replace narrowing SUBREG of expression containing
24589         just PLUS, MINUS, MULT and ASHIFT of registers and constants
24590         with operations in the narrower mode.
24591
24592         PR debug/43593
24593         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
24594         regs_invalidated_by_call instead all call_used_reg_set registers.
24595
24596 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
24597
24598         PR middle-end/43430
24599         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
24600         pointer comparisons with types_compatible_p.
24601         * tree-vect-stmts.c (vectorizable_call): Same.
24602         (vectorizable_condition): Same.
24603
24604 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
24605
24606         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
24607         stack check if the mask would be zero.
24608
24609 2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
24610             Jack Howarth  <howarth@bromo.med.uc.edu>
24611
24612         * tree-profile.c (tree_init_ic_make_global_vars): Make static
24613         variables TLS.
24614
24615 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
24616
24617         PR other/25232
24618         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
24619         and __unordtf2.
24620         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
24621         Include ___unordxf2 and ___unordtf2.
24622         * config/i386/libgcc-glibc.ver: Do not define inheritance from
24623         GCC_4.4.0 here.
24624
24625 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
24626
24627         * config/lm32/t-lm32: New file.
24628         * config.gcc: Use the above file when targetting lm32.
24629
24630 2010-03-28  Duncan Sands  <baldrick@free.fr>
24631
24632         * Makefile.in (PLUGIN_HEADERS): Add except.h.
24633
24634 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
24635
24636         PR middle-end/43431
24637         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
24638         Improve vectorization cost model diagnostic.
24639
24640 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
24641
24642         PR middle-end/43436
24643         * tree-vect-data-refs.c (vect_analyze_data_refs): When
24644         compute_data_dependences_for_loop returns false, early exit
24645         and output an extra diagnostic for the failed data reference
24646         analysis.
24647
24648 2010-03-29  Richard Guenther  <rguenther@suse.de>
24649
24650         PR tree-optimization/43560
24651         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
24652         (can_sm_ref_p): Treat stores to readonly locations as trapping.
24653
24654 2010-03-29  Jie Zhang  <jie@codesourcery.com>
24655
24656         PR 43564
24657         * toplev.c (process_options): Set optimization_default_node
24658         and optimization_current_node.
24659         * opts.c (decode_options): Don't set optimization_default_node
24660         and optimization_current_node.
24661
24662 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
24663
24664         * config/rtems.h: Abandon -qrtems_debug.
24665
24666 2010-03-28  Jan Hubicka  <jh@suse.cz>
24667
24668         PR tree-optimization/43505
24669         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
24670         map should not be copied.
24671
24672 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24673
24674         PR middle-end/41674
24675         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
24676         cdtors, set DECL_PRESERVE_P.
24677         * ipa.c (cgraph_externally_visible_p): Return true if declaration
24678         should be preseved.
24679
24680 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
24681
24682         PR tree-optimization/43528
24683         * stor-layout.c (place_field): Check that constant fits into
24684         unsigned HWI when skipping calculation of MS bitfield layout.
24685
24686 2010-03-27  Jan Hubicka  <jh@suse.cz>
24687
24688         PR middle-end/43391
24689         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
24690         notice_global_symbol work.
24691
24692 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
24693
24694         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
24695         instead of dwarf2out_decl.
24696         (struct var_loc_node): Remove section_label field.
24697         (dwarf2out_function_decl): New function.
24698         (dwarf2out_var_location): Don't set section_label field.
24699         (dwarf2out_begin_function): Don't empty decl_loc_table here.
24700
24701 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
24702
24703         PR tree-optimization/43544
24704         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
24705         First argument for builtin vectorized function hook is now a
24706         tree to be able to distinguish between machine specific and
24707         standard builtins.
24708         * targhooks.c (default_builtin_vectorized_function): Ditto.
24709         * targhooks.h (default_builtin_vectorized_function): Ditto.
24710         * target.h (struct gcc_target): Ditto.
24711         * tree-vect-stmts.c (vectorizable_function): Ditto.
24712         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
24713         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
24714         Ditto.
24715
24716 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
24717
24718         PR c/43381
24719         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
24720         nested binding iff it is a FUNCTION_DECL.
24721         (store_parm_decls_newstyle): Pass nested=true to bind for
24722         FUNCTION_DECLs amongst parameters.
24723
24724 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
24725
24726         * var-tracking.c (vt_expand_loc_callback): Don't run
24727         cselib_expand_value_rtx_cb in dummy mode if
24728         cselib_dummy_expand_value_rtx_cb returned false.
24729
24730         * var-tracking.c (emit_note_insn_var_location): For one part
24731         notes with offset 0, don't add EXPR_LIST around the location.
24732         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
24733         add_location_or_const_value_attribute): Adjust for that change.
24734
24735         PR debug/43540
24736         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
24737         into first operand and location into second.
24738         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
24739         dw_cfi_oprnd_loc for DW_CFA_expression.
24740         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
24741         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
24742         assume first argument is regnum and second argument is location.
24743
24744 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
24745
24746         PR target/42113
24747         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
24748         of scratch register to DImode.  Split to DImode comparison operator.
24749         Use SImode subreg of scratch register in the multiplication.
24750         (*cmp_sadd_sidi): Ditto.
24751         (*cmp_ssub_si): Ditto.
24752         (*cmp_ssub_sidi): Ditto.
24753
24754 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
24755
24756         PR target/43524
24757         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
24758         Remove invalid assert and wrong comment.
24759
24760 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
24761
24762         PR debug/43516
24763         * flags.h (final_insns_dump_p): New extern.
24764         * final.c (final_insns_dump_p): New variable.
24765         (rest_of_clean_state): Set it before -fdump-final-insns=
24766         dumping, clear afterwards.
24767         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
24768         MEM_ALIAS_SET on MEMs.
24769
24770 2010-03-26  David S. Miller  <davem@davemloft.net>
24771
24772         * configure.ac: Fix sparc GOTDATA_OP bug check.
24773         * configure: Rebuild.
24774
24775 2010-03-26  Alan Modra  <amodra@gmail.com>
24776
24777         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
24778
24779 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24780
24781         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
24782         TLS_SECTION_ASM_FLAG.
24783
24784 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
24785
24786         PR bootstrap/43511
24787         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
24788         Clear first_function_block_is_cold.
24789
24790         PR c/43385
24791         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
24792         argument if the argument is truth_value_p.
24793
24794 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
24795
24796         * config/rs6000/constraints.md: Update copyright year for my changes.
24797
24798         PR target/43484
24799         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
24800         used in reg+reg addressing, swap registers.
24801
24802 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
24803
24804         PR debug/43293
24805         * target.h (struct gcc_target): Add code_end hook.
24806         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
24807         if not yet defined.
24808         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
24809         * toplev.c (compile_file): Call targetm.asm_out.code_end
24810         hook before unwind info/debug info output.
24811         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
24812         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
24813         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
24814         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
24815         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
24816         * config/i386/i386.c (ix86_file_end): Renamed to...
24817         (ix86_code_end): ... this.  Make static.  Don't call
24818         file_end_indicate_exec_stack.  Emit unwind info using
24819         final_start_function/final_end_function.
24820         (darwin_x86_file_end): Remove.
24821         (TARGET_ASM_CODE_END): Define.
24822         * config/i386/i386.h (TARGET_ASM_FILE_END,
24823         NEED_INDICATE_EXEC_STACK): Don't define.
24824         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
24825         (TARGET_ASM_FILE_END): Define to darwin_file_end.
24826         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
24827         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
24828
24829         PR target/43498
24830         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
24831         at the beginning and final_end_function at the end.
24832         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
24833
24834 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24835
24836         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
24837         and Sun as TLS syntax.
24838         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
24839         * configure: Regenerate.
24840         * config.in: Regenerate.
24841         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
24842         (default_elf_asm_named_section): Use it.
24843         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
24844         (i386_output_dwarf_dtprel): Likewise.
24845         (output_addr_const_extra): Likewise.
24846         (output_pic_addr_const): Lowercase @GOTTPOFF.
24847         (output_addr_const_extra): Likewise.
24848         (output_pic_addr_const): Lowercase @GOTNTPOFF.
24849         (output_addr_const_extra): Likewise.
24850         (output_pic_addr_const): Lowercase @INDNTPOFF.
24851         (output_addr_const_extra): Likewise.
24852         (output_pic_addr_const): Lowercase @NTPOFF.
24853         (output_addr_const_extra): Likewise.
24854         (output_pic_addr_const): Lowercase @TPOFF.
24855         (output_addr_const_extra): Likewise.
24856         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
24857         (*tls_global_dynamic_64): Likewise.
24858         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
24859         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
24860
24861         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
24862         (ASM_OUTPUT_TLS_COMMON): Use it.
24863         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
24864
24865         PR target/38118
24866         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
24867         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
24868         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
24869         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
24870         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
24871         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
24872
24873 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24874
24875         * config/i386/i386.c (override_options): Don't accept
24876         -mtls-dialect=sun any longer.
24877         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
24878         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
24879         (*tls_local_dynamic_base_32_sun): Likewise.
24880         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
24881
24882 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
24883
24884         PR debug/43508
24885         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
24886         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
24887
24888         PR debug/43479
24889         * ira.c (adjust_cleared_regs): New function.
24890         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
24891
24892         PR debug/19192
24893         PR debug/43479
24894         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
24895         from gimple_block.
24896         * expr.c (expand_expr_real): Restore previous
24897         curr_insn_source_location and curr_insn_block after
24898         expand_expr_real_1 call.
24899         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
24900         instead of expand_expr_real_1.
24901
24902 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
24903
24904         PR rtl-optimization/43413
24905         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
24906         hard regs too.
24907
24908 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
24909
24910         PR target/43348
24911         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
24912         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
24913
24914 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
24915
24916         * config/i386/i386.c (ix86_target_string): Add -mfma.
24917         Fix a typo in comment.
24918
24919 2010-03-22  Mike Stump  <mikestump@comcast.net>
24920
24921         PR target/23071
24922         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
24923         Don't overly align based upon packed packed fields.
24924
24925 2010-03-22  Jason Merrill  <jason@redhat.com>
24926
24927         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
24928         Use () rather than [], and move before the element type.
24929
24930 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24931
24932         * doc/configfiles.texi (Configuration Files): Removed
24933         fixinc/Makefile*, intl/Makefile.*.
24934         * doc/makefile.texi: Fixed markup. Abstract from version
24935         control system used.
24936         (Makefile): Removed obsolete java/parse.y example.
24937         * doc/sourcebuild.texi: Likewise.
24938         (Top Level): Added config, gnattools, libdecnumber, libgcc,
24939         libgomp, libssp.  Removed fastjar.
24940         (Miscellaneous Docs): Clarify location.
24941         Added COPYING3, COPYING3.LIB.
24942         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
24943
24944 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24945
24946         PR target/38085
24947         * config/i386/i386.c (x86_function_profiler)
24948         [!NO_PROFILE_COUNTERS]: Fix typo.
24949         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
24950         instead of callq.
24951
24952 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
24953             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24954
24955         * doc/sourcebuild.texi (Test Directives): Split into six
24956         subsections, with most of the current text in new subsections
24957         Directives, Selectors, and Final Actions.
24958         (Directives): Split list of test directives into multiple
24959         subsubsections.
24960         (Selectors): Describe use and syntax of selectors.
24961         (Effective-Target Keywords): Describe all existing keywords.
24962         (Add Options): Describe features for dg-add-options.
24963         (Require Support): Describe variants of dg-require-support.
24964         (Final Actions): Describe commands to use in dg-final.
24965
24966 2010-03-22  Michael Matz  <matz@suse.de>
24967
24968         PR middle-end/43475
24969         * recog.c (validate_replace_rtx_group): Replace also in
24970         REG_EQUAL and REG_EQUIV notes.
24971
24972 2010-03-22  Richard Guenther  <rguenther@suse.de>
24973
24974         PR tree-optimization/43390
24975         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
24976         sure vector extracts are type correct.
24977
24978 2010-03-22  Richard Guenther  <rguenther@suse.de>
24979
24980         PR middle-end/40106
24981         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
24982         x * sqrt (x) even when optimizing for size if the target
24983         has native support for sqrt.
24984
24985 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
24986
24987         * varasm.c (make_decl_rtl_for_debug): Also clear
24988         flag_mudflap for the duration of make_decl_rtl call.
24989
24990         PR debug/43443
24991         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
24992         locs from preserved VALUEs.
24993
24994 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24995
24996         PR middle-end/42718
24997         * pa.md (movmemsi): Set align to one if zero.
24998         (movmemdi): Likewise.
24999
25000 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
25001
25002         PR target/42321
25003         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
25004         with their corresponding prologue pushes.
25005
25006 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
25007
25008         PR target/43156
25009         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
25010         at the begining or end.
25011         (spu_expand_epilogue): Likewise.
25012
25013 2010-03-20  Richard Guenther  <rguenther@suse.de>
25014
25015         PR rtl-optimization/43438
25016         * combine.c (make_extraction): Properly zero-/sign-extend an
25017         extraction of the low part of a CONST_INT.  Also handle
25018         CONST_DOUBLE.
25019
25020 2010-03-19  Mike Stump  <mikestump@comcast.net>
25021
25022         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
25023         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
25024         (override_options): Use SUBTARGET32_DEFAULT_CPU.
25025
25026 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
25027
25028         PR c/43211
25029         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
25030         an error.
25031
25032 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
25033
25034         PR rtl-optimization/42258
25035         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
25036         use that may match DEF.
25037
25038         PR target/40697
25039         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
25040         the cost of loading the constant rather than assuming
25041         COSTS_N_INSNS (1).
25042         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
25043         outer code is AND, do the same tests as the andsi3 expander and
25044         return COSTS_N_INSNS (1) if and is cheap.
25045
25046         * optabs.c (avoid_expensive_constant): Fix formatting.
25047
25048 2010-03-19  Michael Matz  <matz@suse.de>
25049
25050         PR c++/43116
25051         * attribs.c (decl_attributes): When rebuilding a function pointer
25052         type use the same qualifiers as the original pointer type.
25053
25054 2010-03-19  Martin Jambor  <mjambor@suse.cz>
25055
25056         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
25057         and is_gimple_ip_invariant_address.
25058
25059 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25060
25061         Revert
25062         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25063
25064         * config/arm/arm.c (arm_override_options): Turn off
25065         flag_dwarf2_cfi_asm for AAPCS variants.
25066
25067 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
25068
25069         PR target/43399
25070         * config/arm/arm.c (emit_multi_reg_push): Update comments.
25071         Use PRE_MODIFY instead of PRE_DEC.
25072         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
25073         (vfp_emit_fstmd): Likewise.
25074
25075 2010-03-19  Michael Matz  <matz@suse.de>
25076
25077         PR target/43305
25078         * builtins.c (expand_builtin_interclass_mathfn,
25079         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
25080         if that fails.
25081
25082 2010-03-19  Richard Guenther  <rguenther@suse.de>
25083
25084         PR tree-optimization/43415
25085         * tree-ssa-pre.c (phi_translate): Split out worker to ...
25086         (phi_translate_1): ... this.
25087         (phi_translate): Move all caching here.  Cache all NARY
25088         and REFERENCE translations.
25089
25090 2010-03-19  David S. Miller  <davem@davemloft.net>
25091
25092         With help from Eric Botcazou.
25093         * config/sparc/sparc.c: Include dwarf2out.h.
25094         (emit_pic_helper): Delete.
25095         (pic_helper_symbol_name): Delete.
25096         (pic_helper_emitted_p): Delete.
25097         (pic_helper_needed): New.
25098         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
25099         (get_pc_thunk_name): New.
25100         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
25101         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
25102         Set pic_helper_needed to true.  Don't call emit_pic_helper.
25103         (sparc_expand_prologue): Update load_pic_register call.
25104         (sparc_output_mi_thunk): Likewise.
25105         (sparc_file_end): Emit a hidden comdat symbol for the PIC
25106         thunk if possible.  Output CFI information as needed.
25107
25108 2010-03-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
25109             Jack Howarth  <howarth@bromo.med.uc.edu>
25110
25111         PR target/36399
25112         * config/i386/i386.h: Fix ABI on darwin x86-32.
25113
25114 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
25115
25116         * tree.h: Declare make_decl_rtl_for_debug.
25117         * varasm.c (make_decl_rtl_for_debug): New.
25118         * dwarf2out.c (rtl_for_decl_location): Call it.
25119         * cfgexpand.c (expand_debug_expr): Call it.
25120
25121 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
25122
25123         PR bootstrap/43399
25124         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
25125         mem_mode.
25126
25127         PR bootstrap/43403
25128         * var-tracking.c (vt_init_cfa_base): Do nothing if
25129         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
25130
25131 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
25132
25133         PR debug/42873
25134         * var-tracking.c (canonicalize_vars_star): New.
25135         (dataflow_post_merge_adjust): Use it.
25136
25137 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
25138
25139         PR debug/43058
25140         * var-tracking.c (non_suitable_const): New function.
25141         (add_uses): For DEBUG_INSNs with constants, don't record any
25142         value, instead just the constant value itself.
25143         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
25144         is not VAR_LOC_UNKNOWN_P, set var to the constant.
25145         (emit_notes_in_bb): Likewise.
25146         (emit_note_insn_var_location): For onepart variables if
25147         cur_loc is a VOIDmode constant, use DECL_MODE.
25148
25149 2010-03-18  Martin Jambor  <mjambor@suse.cz>
25150
25151         PR middle-end/42450
25152         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
25153         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
25154         all non-clones.  Moved call redirection...
25155         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
25156         (cgraph_materialize_all_clones): Dispose of all
25157         combined_args_to_skip bitmaps.
25158         (verify_cgraph_node): Do not check for edges pointing to wrong
25159         nodes in inline clones.
25160         * tree-inline.c (copy_bb): Call
25161         cgraph_redirect_edge_call_stmt_to_callee.
25162         * ipa.c (cgraph_remove_unreachable_nodes): Call
25163         cgraph_node_remove_callees even when there are used clones.
25164
25165 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
25166
25167         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
25168
25169 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
25170
25171         PR target/43383
25172         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
25173         for 32bit.
25174
25175 2010-03-18  Michael Matz  <matz@suse.de>
25176
25177         PR middle-end/43419
25178         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
25179         into sqrt(x) if we need to preserve signed zeros.
25180
25181 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
25182             Eric Botcazou  <ebotcazou@adacore.com>
25183
25184         PR rtl-optimization/43360
25185         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
25186         note if we don't know its invariant status.
25187
25188 2010-03-18  Michael Matz  <matz@suse.de>
25189
25190         PR tree-optimization/43402
25191         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
25192         PHI chains of ssa names registered for update.
25193
25194 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
25195
25196         PR target/42427
25197         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
25198         non-offsettable and pre_modify update addressing.
25199         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
25200         and "2" alternatives "#".
25201         (*movdd_softfloat32): Make all alternatives "#";
25202         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
25203         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
25204         (*movdf_softfloat32): Make all alternatives "#";
25205         (movdi): Use the new DIFD mode iterator to create a common splitter
25206         for movdi, movdf and movdd patterns.
25207
25208 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
25209
25210         * common.opt (dumpdir): Remove redundant tab.
25211
25212 2010-03-17  Martin Jambor  <mjambor@suse.cz>
25213
25214         PR tree-optimization/43347
25215         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
25216         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
25217
25218 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
25219
25220         PR rtl-optimization/42216
25221         * regrename.c (create_new_chain): New function, broken out from...
25222         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
25223         appending a use to an empty chain.
25224         (build_def_use): Remove previous changes that convert OP_INOUT to
25225         OP_OUT operands; instead detect the case where an OP_INOUT operand
25226         uses a previously untracked register and create an empty chain for it.
25227
25228 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25229
25230         * doc/extend.texi (Function Attributes): Rewrite unfinished
25231         sentence in ms_abi documentation.
25232
25233 2010-03-17  Alan Modra  <amodra@gmail.com>
25234
25235         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
25236         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
25237         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
25238         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
25239
25240 2010-03-16  Richard Henderson  <rth@redhat.com>
25241
25242         PR middle-end/43365
25243         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
25244         (lower_try_finally): Save and restore eh_seq around the expansion
25245         of the try-finally.
25246
25247 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
25248
25249         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
25250         statements before splitting block.
25251
25252 2010-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25253
25254         * doc/sourcebuild.texi (Testsuites): Fix markup.
25255         Use pathnames relative to gcc/testsuite.
25256         (Test Directives): Move description of how timeout is determined.
25257         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
25258         (C Tests): Correct gcc.misc-tests directory.
25259         Framework tests now live in gcc.test-framework.
25260
25261 2010-03-16  Richard Guenther  <rguenther@suse.de>
25262
25263         PR middle-end/43379
25264         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
25265         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
25266
25267 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
25268             Alexandre Oliva  <aoliva@redhat.com>
25269
25270         PR tree-optimization/42917
25271         * lambda-code.c (remove_iv): Skip debug statements.
25272         (lambda_loopnest_to_gcc_loopnest): Likewise.
25273         (not_interesting_stmt): Debug statements are not interesting.
25274
25275 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
25276
25277         PR debug/43051
25278         PR debug/43092
25279         * cselib.c (cselib_preserve_constants,
25280         cfa_base_preserved_val): New static variables.
25281         (preserve_only_constants): New function.
25282         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
25283         clear its REG_VALUES.  If cselib_preserve_constants, don't
25284         empty the whole hash table, but preserve there VALUEs with constants,
25285         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
25286         (cselib_preserve_cfa_base_value): New function.
25287         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
25288         (cselib_init): Change argument to int bitfield.  Set
25289         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
25290         is in it.
25291         (cselib_finish): Clear cselib_preserve_constants and
25292         cfa_base_preserved_val.
25293         * cselib.h (enum cselib_record_what): New enum.
25294         (cselib_init): Change argument to int.
25295         (cselib_preserve_cfa_base_value): New prototype.
25296         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
25297         * dse.c (dse_step1): Likewise.
25298         * cfgcleanup.c (thread_jump): Likewise.
25299         * sched-deps.c (sched_analyze): Likewise.
25300         * gcse.c (local_cprop_pass): Likewise.
25301         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
25302         If FN is non-NULL, call the callback always and whenever it returns
25303         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
25304         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
25305         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
25306         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
25307         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
25308         * var-tracking.c: Include recog.h.
25309         (bb_stack_adjust_offset): Remove.
25310         (vt_stack_adjustments): Don't call it, instead just gather the
25311         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
25312         (adjust_stack_reference): Remove.
25313         (compute_cfa_pointer): New function.
25314         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
25315         (struct adjust_mem_data): New type.
25316         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
25317         functions.
25318         (get_address_mode): New function.
25319         (replace_expr_with_values): Use it.
25320         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
25321         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
25322         (adjust_sets): Remove.
25323         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
25324         Use get_address_mode.
25325         (get_adjusted_src): Remove.
25326         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
25327         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
25328         (add_with_sets): Don't call adjust_sets.
25329         (fp_setter, vt_init_cfa_base): New functions.
25330         (vt_initialize): Change return type to bool.  Move most of pool etc.
25331         initialization to the beginning of the function from end.  Pass
25332         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
25333         If !frame_pointer_needed, call vt_stack_adjustment before mos
25334         vector is filled, call vt_init_cfa_base if argp/framep has been
25335         eliminated to sp.  If frame_pointer_needed and argp/framep has
25336         been eliminated to hard frame pointer, set
25337         hard_frame_pointer_adjustment and call vt_init_cfa_base after
25338         encountering fp setter in the prologue.  For MO_ADJUST, call
25339         log_op_type before pusing the op into mos vector, not afterwards.
25340         Call adjust_insn before cselib_process_insn/add_with_sets,
25341         call cancel_changes (0) afterwards.
25342         (variable_tracking_main_1): Adjust for vt_initialize calling
25343         vt_stack_adjustments and returning whether it succeeded or not.
25344
25345 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
25346
25347         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
25348         debug statements.
25349
25350 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
25351
25352         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
25353         has been set.
25354         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
25355         drap_reg has not been set.
25356
25357 2010-03-15  Michael Matz  <matz@suse.de>
25358
25359         PR middle-end/43300
25360         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
25361         use it to expand block copies.
25362         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
25363         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
25364         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
25365
25366 2010-03-15  Richard Guenther  <rguenther@suse.de>
25367
25368         PR tree-optimization/43367
25369         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
25370         elimination check.
25371
25372 2010-03-15  Richard Guenther  <rguenther@suse.de>
25373
25374         PR tree-optimization/43317
25375         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
25376
25377 2010-03-15  Martin Jambor  <mjambor@suse.cz>
25378
25379         PR tree-optimization/43141
25380         * tree-sra.c (create_abstract_origin): New function.
25381         (modify_function): Call create_abstract_origin.
25382
25383 2010-03-15  Chris Demetriou  <cgd@google.com>
25384
25385         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
25386         wasn't copied.
25387
25388 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25389
25390         PR middle-end/43354
25391         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
25392         call insert_out_of_ssa_copy for default definitions.
25393
25394 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25395
25396         * graphite-clast-to-gimple.c (my_long_long): Defined.
25397         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
25398         * graphite-sese-to-poly.c (my_long_long): Defined.
25399         (scop_ivs_can_be_represented): Use it.
25400
25401 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25402
25403         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
25404         graphite-max-bbs-per-function, and loop-block-tile-size.
25405         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
25406         with "maximum".
25407         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
25408
25409 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25410
25411         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
25412         forward declaration.
25413         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
25414         (add_upper_bounds_from_estimated_nit): New.
25415         (build_loop_iteration_domains): Use it.
25416
25417 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25418
25419         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
25420
25421 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25422
25423         PR middle-end/43306
25424         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
25425         should be an INTEGER_CST.  Also handle CASE_CONVERT.
25426
25427 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25428
25429         * graphite.c (graphite_initialize): To bound the number of bbs per
25430         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
25431         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
25432         * doc/invoke.texi: Document it.
25433
25434 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25435
25436         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
25437         * graphite-sese-to-poly.h (build_poly_scop): Same.
25438
25439 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
25440
25441         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
25442         the number of parameters in the scop.  Use as an upper bound
25443         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
25444         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
25445         * doc/invoke.texi: Document it.
25446
25447 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
25448
25449         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
25450         * doc/c-tree.texi: Remove.
25451         * doc/generic.texi: Merge c-tree.texi here.
25452         * doc/gccint.texi (Trees): Remove menu entry.
25453         (c-tree.texi): Remove @include.
25454         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
25455         * doc/languages.texi (Reading RTL): Ditto.
25456
25457 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
25458
25459         PR target/42869
25460         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
25461
25462 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
25463
25464         PR middle-end/42431
25465         * config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
25466         code added to work around reload clobbering CONST insns.
25467
25468 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
25469
25470         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
25471         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
25472         (cselib_preserve_only_values): Remove retain argument, don't
25473         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
25474         * cselib.h (cselib_preserve_only_values): Remove retain argument.
25475         * var-tracking.c (micro_operation): Move insn field before union.
25476         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
25477         (struct variable_tracking_info_def): Remove n_mos field, change
25478         mos into a vector of micro_operations.
25479         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
25480         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
25481         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
25482         changing into a vector.
25483         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
25484         come before all other uops generated by add_stores.
25485         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
25486         argument removal.
25487         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
25488         a vector.  Run just one pass over the bbs instead of separate counting
25489         and computation phase.
25490         (vt_finalize): Free VTI (bb)->mos vector instead of array.
25491
25492         PR debug/43329
25493         * tree-inline.c (remap_decls): Put old_var rather than origin_var
25494         into *nonlocalized_list vector.
25495         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
25496         even if origin is non-NULL.
25497         (gen_variable_die): Likewise.
25498         (process_scope_var): Don't change origin.
25499         (gen_decl_die): Likewise.
25500         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
25501         before adding new edges instead of after it, fix moving over
25502         debug stmts.
25503
25504 2010-03-11  David S. Miller  <davem@davemloft.net>
25505
25506         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
25507         of four.
25508         * configure: Rebuild.
25509
25510 2010-03-11  Martin Jambor  <mjambor@suse.cz>
25511
25512         PR tree-optimization/43257
25513         * tree.c (assign_assembler_name_if_neeeded): New function.
25514         (free_lang_data_in_cgraph): Assembler name assignment moved to the
25515         above new function.
25516         * tree.h (assign_assembler_name_if_neeeded): Declare.
25517         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
25518         the function if needed.
25519
25520 2010-03-11  Chris Demetriou  <cgd@google.com>
25521
25522         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
25523         include/stdint-gcc.h, and include/stdint.h world-readable.
25524
25525 2010-03-11  Richard Guenther  <rguenther@suse.de>
25526
25527         PR tree-optimization/43255
25528         * tree-vrp.c (process_assert_insertions_for): Do not insert
25529         asserts for trivial conditions.
25530
25531 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
25532
25533         PR tree-optimization/43280
25534         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
25535         generation.  Move calculation of size out of the if branch.
25536         (find_bswap): Modify compare number generation.
25537
25538 2010-03-11  Richard Guenther  <rguenther@suse.de>
25539
25540         PR lto/43200
25541         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
25542         (input_gimple_stmt): Fixup handled component types during
25543         operand read.  Also fix up decls in ADDR_EXPRs.
25544
25545 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
25546
25547         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
25548         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
25549
25550 2010-03-10  Jan Hubicka  <jh@suse.cz>
25551
25552         PR c/43288
25553         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
25554         * varasm.c (get_variable_section): Don't do that here...
25555         (make_decl_rtl): ... and here.
25556         (do_assemble_alias): Produce decl RTL.
25557         (assemble_alias): Likewise.
25558
25559 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
25560
25561         PR debug/43290
25562         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
25563         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
25564         of fde->vdrap_reg.
25565         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
25566         (based_loc_descr): Only express drap or vdrap regno based expressions
25567         using DW_OP_fbreg when not optimizing.
25568         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
25569         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
25570         REG_CFA_SET_VDRAP note.
25571
25572 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
25573
25574         PR tree-optimization/43236
25575         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
25576         error in calculation of base address in reverse iteration case.
25577         (generate_builtin): Take number of latch executions if the statement
25578         is in the latch.
25579
25580 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
25581
25582         PR middle-end/42859
25583         * tree-eh.c: Include pointer-set.h.
25584         (lower_eh_dispatch): Filter out duplicate case labels and
25585         remove the unneeded edge when the label is unused.  Return
25586         true when some edges are removed.
25587         (execute_lower_eh_dispatch): When any lowering resulted in
25588         removing an edge, also delete unreachable blocks.
25589
25590 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
25591
25592         PR bootstrap/43287
25593         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
25594         UNSPEC_MACHOPIC_OFFSET.
25595
25596 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
25597
25598         PR target/43294
25599         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
25600         (m68k_delegitimize_address): New function.
25601
25602 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
25603
25604         PR debug/43299
25605         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
25606
25607         PR debug/43299
25608         * var-tracking.c (adjust_sets): New function.
25609         (count_with_sets, add_with_sets): Use it.
25610         (get_adjusted_src): New inline function.
25611         (add_stores): Use it.
25612
25613         PR debug/43304
25614         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
25615         call cselib_dummy_expand_value_rtx_cb instead of
25616         cselib_expand_value_rtx_cb.
25617
25618         PR debug/43293
25619         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
25620         * config/i386/i386.c: Include debug.h and dwarf2out.h.
25621         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
25622         and .cfi_endproc around the pic thunks.
25623         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
25624         all queued unwind info register saves are saved before the call.
25625         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
25626         considered as sp-=4 for unwind info and the pop as sp+=4 which
25627         also clobbers dest, but doesn't actually restore it.
25628
25629         PR debug/43290
25630         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
25631         RTX_FRAME_RELATED_P.
25632
25633 2010-03-09  Jie Zhang  <jie@codesourcery.com>
25634
25635         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
25636         whitespaces in output template.
25637
25638 2010-03-09  Jie Zhang  <jie@codesourcery.com>
25639
25640         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
25641         out array boundary.
25642
25643 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
25644
25645         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
25646         builtins.exp in a separate job.
25647
25648 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25649
25650         * graphite-sese-to-poly.c (add_param_constraints): Use
25651         lower_bound_in_type and upper_bound_in_type.
25652
25653 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25654
25655         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
25656         instead of unsigned_type_node.
25657
25658 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25659             Reza Yazdani  <reza.yazdani@amd.com>
25660
25661         PR middle-end/43065
25662         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
25663         on pointer type parameters.
25664
25665 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
25666
25667         PR middle-end/42644
25668         PR middle-end/42130
25669         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
25670         handle conversions from pointer to integers.
25671         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
25672         induction variable, to be able to work with code generated by CLooG.
25673         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
25674         (build_poly_scop): Bail out if we cannot codegen a loop.
25675
25676 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
25677
25678         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
25679         code generation with gloog_error.
25680
25681 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25682
25683         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
25684         Call fold_convert on all the returned values.
25685         (expand_scalar_variables_expr): Pass to
25686         expand_scalar_variables_ssa_name the type of the resulting expression.
25687
25688 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25689
25690         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
25691         ppl_min_for_le_pointset.
25692         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
25693         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
25694
25695 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25696
25697         * graphite-dependences.c (map_into_dep_poly): Removed.
25698         (dependence_polyhedron_1): Use combine_context_id_scat.
25699
25700 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25701
25702         * graphite-poly.h (struct poly_scattering): Add layout documentation.
25703         (struct poly_bb): Same.
25704         (combine_context_id_scat): New.
25705
25706 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25707
25708         PR middle-end/42326
25709         * sese.c (name_defined_in_loop_p): Return false for default
25710         definitions.
25711
25712 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25713
25714         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
25715         and clean up the logic.
25716
25717 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
25718
25719         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
25720         early return.
25721
25722 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
25723
25724         * var-tracking.c (remove_cselib_value_chains): Define only for
25725         ENABLE_CHECKING.
25726         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
25727         delete_slot_part, emit_notes_for_differences_1): Don't call
25728         remove_cselib_value_chains here.
25729         (set_slot_part, emit_notes_for_differences_2): Don't call
25730         add_cselib_value_chains here.
25731         (preserved_values): New vector.
25732         (preserve_value): New function.
25733         (add_uses, add_stores, vt_add_function_parameters): Use it
25734         instead of cselib_preserve_value.
25735         (changed_values_stack): New vector.
25736         (check_changed_vars_0): New function.
25737         (check_changed_vars_1, check_changed_vars_2): Use it.
25738         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
25739         changed_values_stack VALUEs.
25740         (vt_emit_notes): For all preserved_values call
25741         add_cselib_value_chains.  If ENABLE_CHECKING call
25742         remove_cselib_value_chains before verifying value_chains is empty.
25743         Initialize and free changed_values_stack.
25744         (vt_initialize): Initialize preserved_values.
25745         (vt_finalize): Free preserved_values.
25746
25747 2010-03-08  Richard Guenther  <rguenther@suse.de>
25748
25749         PR tree-optimization/43269
25750         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
25751         region detection.
25752
25753 2010-03-08  Martin Jambor  <mjambor@suse.cz>
25754
25755         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
25756         (ipa_is_param_called): Removed.
25757         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
25758         (ipa_print_node_params): Do not print the called flag.
25759         (ipa_write_node_info): Do not stream the called flag.
25760         (ipa_read_node_info): Likewise.
25761
25762 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
25763
25764         PR debug/43176
25765         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
25766         * cselib.c (struct expand_value_data): Add dummy field.
25767         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
25768         dummy to false.
25769         (cselib_dummy_expand_value_rtx_cb): New function.
25770         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
25771         any rtl.
25772         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
25773         * var-tracking.c: Include pointer-set.h.
25774         (variable): Change n_var_parts to char from int.  Add
25775         cur_loc_changed and in_changed_variables fields.
25776         (variable_canonicalize): Remove.
25777         (shared_var_p): New inline function.
25778         (unshare_variable): Maintain cur_loc_changed and
25779         in_changed_variables fields.  If var was in changed_variables,
25780         replace it there with new_var.  Just copy cur_loc instead of
25781         resetting it to something else.
25782         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
25783         (dataflow_set_union): Don't call variable_canonicalize.
25784         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
25785         of their DEBUG_EXPR_TREE_DECLs.
25786         (canonicalize_loc_order_check): Verify that cur_loc is NULL
25787         and in_changed_variables and cur_loc_changed is false.
25788         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
25789         and cur_loc_changed.  Don't update cur_loc here.
25790         (variable_merge_over_src): Don't call variable_canonicalize.
25791         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
25792         removing loc that is equal to cur_loc, clear cur_loc,
25793         set cur_loc_changed and ensure variable_was_changed is called.
25794         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
25795         compare pointers in cur_loc check, if it is equal to loc,
25796         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
25797         (variable_different_p): Remove compare_current_location argument,
25798         don't compare cur_loc.
25799         (dataflow_set_different_1): Adjust variable_different_p caller.
25800         (variable_was_changed): If dv had some var in changed_variables
25801         already, reset in_changed_variables flag for it and propagate
25802         cur_loc_changed over to the new variable.  On empty var
25803         always set cur_loc_changed.  Set in_changed_variables on whatever
25804         var is added to changed_variables.
25805         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
25806         Use shared_var_p.  When removing loc that is equal to cur_loc,
25807         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
25808         end, don't set it to something else, just call variable_was_changed.
25809         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
25810         loc being removed, clear cur_loc and set cur_loc_changed.
25811         Set cur_loc_changed if all locations have been removed.
25812         (struct expand_loc_callback_data): New type.
25813         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
25814         allocated.  Always create SUBREGs if simplify_subreg failed.
25815         Prefer to use cur_loc, when that fails and still in
25816         changed_variables (and seen first time) recompute it.  Set
25817         cur_loc_changed of variables which had to change cur_loc and
25818         compute elcd->cur_loc_changed if any of the subexpressions used
25819         had to change cur_loc.
25820         (vt_expand_loc): Adjust to pass arguments in
25821         expand_loc_callback_data structure.
25822         (vt_expand_loc_dummy): New function.
25823         (emitted_notes): New variable.
25824         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
25825         that weren't used for any other decl in current
25826         emit_notes_for_changes call call vt_expand_loc_dummy to update
25827         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
25828         first loc_chain location if NULL before.  Always use just
25829         cur_loc instead of first loc_chain location.  When cur_loc_changed
25830         is false, when not --enable-checking=rtl just don't emit any note.
25831         When rtl checking, compute the note and assert it is the same
25832         as previous note.  Clear cur_loc_changed and in_changed_variables
25833         at the end before removing from changed_variables.
25834         (check_changed_vars_3): New function.
25835         (emit_notes_for_changes): Traverse changed_vars to call
25836         check_changed_vars_3 on each changed var.
25837         (emit_notes_for_differences_1): Clear cur_loc_changed and
25838         in_changed_variables.  Recompute cur_loc of new_var.
25839         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
25840         (vt_emit_notes): Initialize and destroy emitted_notes.
25841
25842 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
25843
25844         PR rtl-optimization/42220
25845         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
25846         Use verify_reg_tracked to determine if we should use OP_OUT rather
25847         than OP_INOUT.
25848         (build_def_use): If we see an in-out operand for a register that we
25849         know nothing about, treat is an output if possible, fail the block if
25850         not.
25851
25852 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
25853
25854         PR debug/42897
25855         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
25856         permanently.
25857
25858 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
25859
25860         PR debug/42897
25861         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
25862         uses of relevant DEFs that are dead outside the loop too.
25863
25864 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
25865
25866         * var-tracking.c (dataflow_set_merge): Swap src and src2.
25867         Reverted:
25868         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
25869         PR debug/41371
25870         * var-tracking.c (values_to_unmark): New variable.
25871         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
25872         values_to_unmark vector.  Moved body to...
25873         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
25874         instead queue it into values_to_unmark vector.
25875         (vt_find_locations): Free values_to_unmark vector.
25876
25877 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
25878
25879         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
25880         (site.exp): Export them when plugins are enabled.
25881
25882 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
25883
25884         PR middle-end/42326
25885         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
25886         that contain scevs.
25887         (chrec_fold_multiply): Same.
25888
25889 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
25890
25891         PR c/43248
25892         * c-decl.c (build_compound_literal): Return early if init is
25893         an error_mark_node.
25894
25895 2010-03-04  Martin Jambor  <mjambor@suse.cz>
25896
25897         PR tree-optimization/43164
25898         PR tree-optimization/43191
25899         * tree-sra.c (type_consists_of_records_p): Reject records with
25900         zero-size bit-fields at the end.
25901
25902 2010-03-04  Mike Stump  <mikestump@comcast.net>
25903
25904         * Makefile.in (TAGS): Remove *.y.
25905
25906 2010-03-04  Richard Guenther  <rguenther@suse.de>
25907
25908         PR tree-optimization/40761
25909         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
25910         in reverse order.
25911         (my_rev_post_order_compute): New function.
25912         (init_pre): Call it.
25913
25914 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
25915
25916         PR middle-end/43209
25917         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
25918         decrease the cost of an IV candidate when the cost is infinite.
25919
25920 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25921
25922         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
25923         Use '3DNow!' for the extension of that name, ensure normal space
25924         after the string.
25925         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
25926
25927 2010-03-03  Jeff Law  <law@redhat.com>
25928
25929         * PR middle-end/32693
25930         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
25931         than gen_rtx_SUBREG.
25932         (extract_bit_field_1): Likewise.
25933
25934 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
25935
25936         * doc/sourcebuild.texi (Test directives): Document that arguments
25937         include-opts and exclude-opts are now optional for dg-skip-if,
25938         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
25939
25940 2010-03-03  Jason Merrill  <jason@redhat.com>
25941
25942         PR c++/12909
25943         * cgraph.h (varpool_node): Add extra_name field.
25944         * varpool.c (varpool_extra_name_alias): New.
25945         (varpool_assemble_decl): Emit extra name aliases.
25946         (varpool_mark_needed_node): Look past an extra name alias.
25947         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
25948         * lto-streamer-in.c (lto_input_tree): Read it.
25949         * lto-streamer-out.c (output_unreferenced_globals): Write it.
25950
25951 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
25952
25953         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
25954         (sparc*-*-solaris2*): ...this.
25955
25956 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
25957
25958         PR debug/43229
25959         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
25960         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
25961         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
25962         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
25963
25964         PR debug/43237
25965         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
25966         fallthrough to default handling, just with want_address 0 instead of 2.
25967         For single element lists, add_AT_loc directly, otherwise create an
25968         artificial variable DIE and stick location list to it.
25969
25970         PR debug/43177
25971         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
25972         (VAL_EXPR_HAS_REVERSE): Define.
25973         (reverse_op): New function.
25974         (add_stores): For reversible operations add an extra MO_VAL_USE.
25975
25976 2010-03-02  Jason Merrill  <jason@redhat.com>
25977
25978         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
25979
25980 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
25981
25982         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
25983         (sparc64-*-linux*): Likewise.
25984         (sparc64-*-solaris2*): Include assembler files before linker ones.
25985         (sparc-*-solaris2*): Simplify and reorder to match previous case.
25986         * config/sparc/gas.h: Delete.
25987         * config/sparc/sol2-64.h: Add copyright notice.
25988         * config/sparc/sol2-gas-bi.h: Likewise.
25989         * config/sparc/sol2-gld.h: Likewise.
25990         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
25991         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
25992         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
25993         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
25994         (sparc_elf_asm_named_section): Rename into...
25995         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
25996
25997 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
25998
25999         * config/alpha/alpha.c (override_options): Fix -mtune error message.
26000
26001 2010-03-02  Jeff Law  <law@redhat.com>
26002
26003         PR middle-end/42431
26004         * reload1.c (rtx_p, substitute_stack): Declare.
26005         (substitute): Record addresses of changed rtxs.
26006         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
26007         Restore the original rtx when complete.
26008         (reload): Free subsitute_stack when complete.
26009
26010 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
26011
26012         * doc/gccint.texi (menu): Add Testsuites as a chapter.
26013         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
26014         new chapter.
26015         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
26016         LTO Testing, gcov Testing, profopt Testing, compat Testing,
26017         Torture Tests): Change from subsection to section.
26018
26019 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
26020             Steven Bosscher  <steven@gcc.gnu.org>
26021
26022         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
26023         instead of bb.
26024
26025 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
26026
26027         PR middle-end/42640
26028         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
26029         the assignment from the new induction variable to the assignment
26030         of the value from the original loop PHI function.
26031
26032 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
26033             Daniel Jacobowitz  <dan@codesourcery.com>
26034
26035         * doc/sourcebuild.texi (Test directives): Clarify options to
26036         dg-skip-if.
26037
26038 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26039
26040         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
26041         Disable cfi directives unless GCC and gas agree on using read-only
26042         .eh_frame sections for 64-bit.
26043         * configure: Regenerate.
26044
26045 2010-03-01  Richard Guenther  <rguenther@suse.de>
26046
26047         PR tree-optimization/43220
26048         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
26049         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
26050
26051 2010-03-01  Richard Guenther  <rguenther@suse.de>
26052             Martin Jambor  <mjambor@suse.cz>
26053
26054         PR middle-end/41250
26055         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
26056         gimplified parameters.
26057
26058 2010-03-01  Christian Bruel  <christian.bruel@st.com>
26059
26060         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
26061
26062 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
26063
26064         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
26065
26066 2010-03-01  Richard Guenther  <rguenther@suse.de>
26067
26068         PR middle-end/43213
26069         * expr.c (expand_assignment): Use the alias-oracle to tell
26070         if the rhs aliases the result decl.
26071
26072 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26073
26074         PR pch/14940
26075         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
26076         to sol_gt_pch_get_address.
26077         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
26078         64-bit, SPARC and x86.
26079         (sol_gt_pch_get_address): New function.
26080
26081 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
26082
26083         * toplev.h (inform_n, error_n): Declare.
26084         * diagnostic.c (inform_n, error_n): New function.
26085
26086 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
26087
26088         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
26089         has no rtl yet when processing local_decls, queue it and recheck
26090         if deferred stack allocation hasn't assigned it rtl.
26091
26092 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
26093
26094         * config/sh/sh.c (unspec_bbr_uid): New.
26095         (gen_block_redirect): Use it instead of INSN_UID.
26096         (gen_far_branch): Likewise.
26097
26098 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
26099
26100         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
26101         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
26102
26103 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
26104
26105         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
26106         (Warning Options): -Wno-conversion-null is valid for
26107         Objective-C++ as well.
26108         * doc/tm.texi (Named Address Spaces): Likewise.
26109         * doc/plugins.texi (Plugins): Replace TABs with spaces.
26110         * doc/tree-ssa.texi (Tree SSA): Likewise.
26111
26112 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
26113
26114         PR bootstrap/43202
26115         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
26116         by default.  Don't set the default arch for
26117         i[34567]86-*-darwin*|x86_64-*-darwin*.
26118
26119 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
26120
26121         PR bootstrap/43202
26122         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
26123         default.  Set the default 32bit/64bit archs with $with_arch
26124         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
26125
26126 2010-02-27  Richard Guenther  <rguenther@suse.de>
26127
26128         PR tree-optimization/43186
26129         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
26130         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
26131         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
26132         unroller iterations.
26133
26134 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
26135
26136         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
26137         required and i[34567]86-*-* targets don't support 64bit ISA.
26138
26139 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
26140
26141         PR ada/43096
26142         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
26143         the same alias set.
26144
26145 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
26146
26147         * config.gcc: Set the default arch at least to Prescott for
26148         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
26149         if SSE math is enabled.
26150
26151 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26152
26153         * diagnostic.c (diagnostic_initialize): Update.
26154         (diagnostic_report_diagnostic): Test inhibit_notes_p for
26155         informative notes.
26156         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
26157         (diagnostic_inhibit_notes): New.
26158         * toplev.c (process_options): inhibit notes with -fcompare-debug.
26159
26160 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26161
26162         PR c/20631
26163         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
26164         * doc/standards.texi: Likewise.
26165         * doc/extend.texi: Likewise.
26166         * doc/trouble.texi: Likewise.
26167         * doc/cppopts.texi: Likewise.
26168         * doc/install.texi: Likewise.
26169         * c.opt (std=c90,std=gnu90): New options.
26170         * c-opts.c (c_common_handle_option): Handle them.
26171
26172 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26173
26174         PR c/24577
26175         * c-decl.c (undeclared_variable): Use an informative note.
26176
26177 2010-02-26  Richard Guenther  <rguenther@suse.de>
26178
26179         PR tree-optimization/43186
26180         * gimple.h (gimple_fold): Remove.
26181         * gimple.c (gimple_fold): Remove.  Inline into single user ...
26182         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
26183         Try harder for conditions.
26184
26185 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
26186
26187         PR debug/43190
26188         * function.c (used_types_insert): Don't skip through named pointer
26189         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
26190         and it is different from the main variant's type.
26191
26192 2010-02-26  Nick Clifton  <nickc@redhat.com>
26193
26194         * config/rx/rx.md (sminsi3): Remove bogus alternative.
26195
26196 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
26197
26198         * config.gcc: Support --with-fpmath=sse for x86.
26199
26200         * config/i386/ssemath.h: New.
26201
26202         * doc/install.texi (--with-fpmath=sse): Documented.
26203
26204 2010-02-26  Richard Guenther  <rguenther@suse.de>
26205
26206         PR tree-optimization/43188
26207         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
26208         vector types of over-aligned element type.
26209
26210 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
26211
26212         PR target/43175
26213         * config/i386/i386.c (expand_vec_perm_blend): Use correct
26214         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
26215
26216 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
26217
26218         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
26219
26220 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
26221
26222         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
26223         * var-tracking.c: Include diagnostic.h.
26224         (debug_dv): New function.
26225         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
26226
26227         PR debug/43160
26228         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
26229         (add_value_chain, add_value_chains, remove_value_chain,
26230         remove_value_chains): Handle DEBUG_EXPRs.
26231         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
26232
26233         PR debug/43161
26234         * regcprop.c (struct queued_debug_insn_change): New type.
26235         (struct value_data_entry): Add debug_insn_changes field.
26236         (struct value_data): Add n_debug_insn_changes field.
26237         (debug_insn_changes_pool): New variable.
26238         (free_debug_insn_changes, apply_debug_insn_changes,
26239         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
26240         (kill_value_one_regno): Call free_debug_insn_changes if needed.
26241         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
26242         fields.
26243         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
26244         changes for them.
26245         (copyprop_hardreg_forward_1): Don't call apply_change_group for
26246         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
26247         changes, call cprop_find_used_regs via note_stores.
26248         (copyprop_hardreg_forward): When copying vd from predecessor
26249         which has any queued DEBUG_INSN changes, make sure the pointers are
26250         cleared.  At the end call df_analyze and then if there are any
26251         DEBUG_INSN changes queued at the end of some basic block for still
26252         live registers, apply them.
26253         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
26254
26255 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
26256
26257         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
26258         (arm*-*-*): Ditto.
26259
26260 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
26261
26262         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
26263         targets.  Set the default with_cpu/with_arch from arch/cpu.
26264         Allow x86-64 and native for with_cpu/with_arch.
26265
26266 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
26267
26268         * ebitmap.c: Change calls to verify_popcount with calls to
26269         sbitmap_verify_popcount.
26270         (ebitmap_clear_bit): Fixed map->cacheindex test and
26271         map>cache update when bit clearing results in an empty
26272         element.
26273
26274 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
26275
26276         PR target/43154
26277         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
26278         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
26279         and support both V2DF and V2DI modes.
26280         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
26281         support both V2DF and V2DI modes.
26282         (general): Delete trailing whitespace from a few patterns.
26283
26284         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
26285         V2DF/V2DI interleave high/low builtins.
26286
26287         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
26288         new VSX builtins.
26289
26290         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
26291         interleave high/low functions.
26292
26293 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
26294
26295         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
26296         #pragma extern_prefix.
26297
26298 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
26299
26300         PR debug/43166
26301         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
26302         BLKmode, assert op0 is a MEM and just adjust its mode.
26303
26304         PR debug/43165
26305         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
26306         if bitpos isn't multiple of mode's bitsize.
26307
26308 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26309
26310         * c.opt (-ftemplate-depth=): New.
26311         (-ftemplate-depth-): Deprecate.
26312         * optc-gen.awk: Handle -ftemplate-depth=.
26313         * opth-gen.awk: Likewise.
26314         * c-opts.c (c_common_handle_option): Likewise.
26315         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
26316
26317 2010-02-24  Jason Merrill  <jason@redhat.com>
26318
26319         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
26320
26321 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26322
26323         * cfg.c (alloc_aux_for_block): Remove inline.
26324         (alloc_aux_for_edge): Likewise.
26325
26326 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26327
26328         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
26329
26330 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26331
26332         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
26333         * config/i386/sol2-gas.h: New file.
26334         * config.gcc (i[34567]86-*-solaris2*): Use it.
26335
26336 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26337
26338         PR c/43128
26339         * c-typeck.c (ep_convert_and_check): New.
26340         (build_conditional_expr): Use it.
26341         (build_binary_op): Likewise.
26342
26343 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
26344
26345         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
26346
26347         PR debug/43150
26348         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
26349         bounds even for -O+.
26350         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
26351         expr needs to have DECL_NAME set.
26352
26353 2010-02-24  Nick Clifton  <nickc@redhat.com>
26354
26355         * config/mep/mep.c: Include gimple.h.
26356         (mep_function_uses_sp): Delete unused function.
26357         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
26358         parameters.  Use unsigned integers to count args.  Return a
26359         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
26360
26361 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
26362
26363         PR target/43107
26364         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
26365         greater or equal to nelt instead of 2 * nelt.
26366         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
26367         with nelt - 1.
26368
26369 2010-02-23  Jason Merrill  <jason@redhat.com>
26370
26371         PR debug/42800
26372         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
26373         in cfun->local_decls even if they have register types.
26374
26375         PR c++/42837
26376         * stor-layout.c (place_field): Don't warn about unnecessary
26377         DECL_PACKED if the type is packed.
26378
26379 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
26380
26381         PR target/43139
26382         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
26383         GOTOFF relocs, even when the base reg isn't pic pointer.
26384
26385 2010-02-23  Michael Matz  <matz@suse.de>
26386
26387         PR debug/43077
26388         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
26389         (expand_gimple_basic_block): Generate and use debug temps if there
26390         are debug uses left after the last real use of TERed ssa names.
26391         Unlink debug immediate uses when they are expanded.
26392
26393 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26394
26395         PR 43123
26396         * config/i386/i386.c (override_options): Reorganise to provide
26397         better error messages.
26398
26399 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
26400
26401         PR middle-end/43083
26402         * graphite-scop-detection.c (create_single_exit_edge): Move
26403         the call to find_single_exit_edge to....
26404         (create_sese_edges): ...here.  Don't handle multiple edges
26405         exiting the function.
26406         (build_graphite_scops): Don't handle multiple edges
26407         exiting the function.
26408
26409 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
26410
26411         PR middle-end/43097
26412         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
26413         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
26414
26415 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
26416
26417         PR middle-end/43026
26418         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
26419
26420 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26421
26422         PR c++/43126
26423         * c-typeck.c (convert_arguments): Print declaration location.
26424         * c-common.c (validate_nargs): Rename as
26425         builtin_function_validate_nargs.
26426         (check_builtin_function_arguments): Update.
26427
26428 2010-02-22  Richard Guenther  <rguenther@suse.de>
26429
26430         PR lto/43045
26431         * tree-inline.c (declare_return_variable): Use the type of
26432         the call stmt lhs if available.
26433
26434 2010-02-22  Duncan Sands  <baldrick@free.fr>
26435
26436         * passes.c (register_pass): Always consider all pass lists when
26437         ref_pass_instance_number is zero.
26438
26439 2010-02-22  Richard Guenther  <rguenther@suse.de>
26440
26441         PR tree-optimization/42749
26442         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
26443         parameter.  Do arithmetic in the original type.
26444         (update_accumulator_with_ops): Likewise.
26445         (adjust_accumulator_values): Adjust.
26446
26447 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26448
26449         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
26450         (QI to BLKmode splitter): New splitter.
26451
26452 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
26453
26454         * config/i386/i386.c (initial_ix86_tune_features): Turn on
26455         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
26456
26457 2010-02-22  Richard Guenther  <rguenther@suse.de>
26458
26459         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
26460
26461 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
26462
26463         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
26464         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
26465         ($(T)crti.o, $(T)crtn.o): Remove rules.
26466
26467 2010-02-21  Tobias Burnus  <burnus@net-b.de>
26468
26469         PR fortran/35259
26470         * doc/invoke.texi (-fassociative-math): Document that this
26471         option is automatically enabled for Fortran.
26472
26473 2010-02-20  David S. Miller  <davem@davemloft.net>
26474
26475         * configure.ac: Test if linker and assembler properly support
26476         GOTDATA_OP relocations.
26477         * configure: Rebuild.
26478         * config.in: Likewise.
26479         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
26480         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
26481         (movsi_high_pic): Likewise.
26482         (movdi_lo_sum_pic): Likewise.
26483         (movdi_high_pic): Likewise.
26484         (movsi_pic_gotdata_op): New pattern.
26485         (movdi_pic_gotdata_op): Likewise.
26486         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
26487         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
26488
26489 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
26490
26491         PR target/43067
26492         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
26493         attribute to ssemul.
26494         (xop_mulv2div2di3_high): Ditto.
26495
26496 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26497
26498         PR c++/35669
26499         * c.opt (Wconversion-null): New option.
26500         * doc/invoke.texi (Wconversion-null): Document.
26501
26502 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26503
26504         * common.opt (Wlarger-than-): Add Undocumented.
26505
26506 2010-02-19  Mike Stump  <mikestump@comcast.net>
26507
26508         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
26509
26510 2010-02-19  Jason Merrill  <jason@redhat.com>
26511
26512         PR target/40332
26513         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
26514         * configure: Likewise.
26515
26516 2010-02-20  Alan Modra  <amodra@gmail.com>
26517
26518         PR middle-end/42344
26519         * cgraph.h (cgraph_make_decl_local): Declare.
26520         * cgraph.c (cgraph_make_decl_local): New function.
26521         (cgraph_make_node_local): Use it.
26522         * cgraphunit.c (cgraph_function_versioning): Likewise.
26523         * ipa.c (function_and_variable_visibility): Likewise.
26524
26525 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
26526
26527         PR bootstrap/43121
26528         * except.c (sjlj_emit_function_enter): Don't call
26529         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
26530         directly.
26531         * rtl.h (add_reg_br_prob_note): Remove prototype.
26532
26533 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26534
26535         PR 41779
26536         * c-common.c (conversion_warning): Remove widening conversions
26537         before checking the conversion of integers to reals.
26538
26539 2010-02-19  Mike Stump  <mikestump@comcast.net>
26540
26541         PR middle-end/43125
26542         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
26543
26544         PR objc/43061
26545         * cgraphunit.c (process_function_and_variable_attributes): Check
26546         DECL_PRESERVE_P instead of looking up attribute "used".
26547         * ipa-pure-const.c (check_decl): Likewise.
26548         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
26549         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
26550         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
26551         instead of attribute "used".
26552         * config/sol2-c.c (solaris_pragma_init): Likewise.
26553         (solaris_pragma_fini): Likewise.
26554
26555 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
26556
26557         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
26558         Use XCNEW instead of xcalloc.
26559         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
26560         XNEW instead of xmalloc.
26561         (get_fields): Use XNEWVEC instead of xmalloc.
26562
26563         PR debug/43084
26564         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
26565         populate vars array.
26566         (create_new_general_access): For debug stmts just reset value.
26567         (get_stmt_accesses): For accesses within debug stmts just record them
26568         using add_access_to_acc_sites instead of preventing the peeling or
26569         counting them as accesses.
26570
26571         PR middle-end/42233
26572         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
26573
26574 2010-02-19  Richard Guenther  <rguenther@suse.de>
26575
26576         PR tree-optimization/42916
26577         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
26578         instructions.
26579
26580 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
26581
26582         * configure.ac: Replace all uses of changequote in macro arguments
26583         with proper quoting.
26584
26585 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
26586
26587         PR middle-end/42233
26588         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
26589
26590 2010-02-19  Richard Guenther  <rguenther@suse.de>
26591
26592         PR tree-optimization/42944
26593         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
26594         test for aliasing with errno.
26595
26596 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
26597
26598         PR middle-end/42233
26599         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
26600         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
26601         * dojump.c: Include output.h.
26602         (inv): New inline function.
26603         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
26604         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
26605         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
26606         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
26607         argument, pass it down to other calls.
26608         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
26609         add REG_BR_PROB note to the conditional jump.
26610         * cfgexpand.c (add_reg_br_prob_note): Removed.
26611         (expand_gimple_cond): Don't call it, add the probability
26612         as last argument to jumpif_1/jumpifnot_1.
26613         * Makefile.in (dojump.o): Depend on output.h.
26614         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
26615         callers.
26616         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
26617         * stmt.c (do_jump_if_equal): Likewise.
26618         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
26619         * loop-unswitch.c (compare_and_jump_seq): Likewise.
26620         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
26621         Likewise.
26622         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
26623         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
26624         jumpifnot_1 callers.
26625         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
26626         callers.
26627         (store_expr): Adjust jumpifnot caller.
26628         (store_constructor): Adjust jumpif caller.
26629
26630         PR middle-end/42233
26631         * gimplify.c (gimple_boolify): For __builtin_expect call
26632         gimple_boolify also on its first argument.
26633
26634 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
26635
26636         * configure.ac (gnu-unique-object): Wrap regexps using [] in
26637         changequote block.
26638         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
26639         * configure: Regenerated.
26640
26641 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
26642
26643         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
26644         lang_hooks.types_compatible_p instead of comptypes.
26645
26646 2010-02-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
26647
26648         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
26649         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
26650         if __prefer_thumb__ is defined.
26651
26652 2010-02-18  Martin Jambor  <mjambor@suse.cz>
26653
26654         PR tree-optimization/43066
26655         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
26656         array with zero-sized element type.
26657
26658 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
26659
26660         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
26661         rtx, allocate struct var_loc_node here and return it to the
26662         caller, and only if it is actually needed.
26663         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
26664         move it earlier and return immediately if it returns NULL.
26665
26666 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
26667
26668         * config/sparc/gas.h: New file.  Restore
26669         TARGET_ASM_NAMED_SECTION to its ELF default.
26670         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
26671         check !HAVE_GNU_AS.
26672         * config/sparc/sparc.c (sparc_elf_asm_named_section):
26673         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
26674         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
26675         after sparc/sysv4.h.
26676
26677 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
26678
26679         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
26680
26681 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
26682
26683         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
26684         patterns from predicated pattern.
26685
26686 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
26687
26688         PR target/43103
26689         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
26690         for insn mnemonic suffix.
26691
26692 2010-02-17  Richard Guenther  <rguenther@suse.de>
26693
26694         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
26695         to loop PHI nodes.
26696
26697 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
26698
26699         PR debug/42918
26700         * caller-save.c (save_call_clobbered_regs): If BB ends with
26701         a DEBUG_INSN, move any notes in between last real insn and the last
26702         DEBUG_INSN after the last DEBUG_INSN.
26703
26704 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
26705
26706         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
26707         Fix return type.  Fix argument type.  Explain meaning of return value.
26708
26709 2010-02-16  Richard Guenther  <rguenther@suse.de>
26710
26711         PR tree-optimization/41043
26712         * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
26713         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
26714         statements ...
26715         (vrp_visit_phi_node): ... but only for loop PHI nodes.
26716
26717 2010-02-16  Ira Rosen  <irar@il.ibm.com>
26718
26719         PR tree-optimization/43074
26720         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
26721         * tree-vect-loop.c (vect_analyze_loop_operations): Add
26722         vectorizable cycles in hybrid SLP check.
26723         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
26724
26725 2010-02-16  Richard Guenther  <rguenther@suse.de>
26726
26727         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
26728         (true_dependence): If memrefs_conflict_p computes must-alias
26729         trust it.  Move TBAA check after offset-based disambiguation.
26730         (canon_true_dependence): Likewise.
26731
26732 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
26733
26734         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
26735         * doc/invoke.texi: Document it.
26736         * var-tracking.c: Include toplev.h and params.h.
26737         (vt_find_locations): Return bool indicating success.  Compute
26738         hash sizes unconditionally.  Check new parameter, report.
26739         (variable_tracking_main_1): Check vt_find_locations results and
26740         retry.  Renamed from...
26741         (variable_tracking_main): ... this.  New wrapper to preserve
26742         flag_var_tracking_assignments.
26743         * Makefile.in (var-tracking.o): Adjust dependencies.
26744
26745 2010-02-16  Jack Howarth  <howarth@bromo.med.uc.edu>
26746             Jakub Jelinek  <jakub@redhat.com>
26747
26748         PR target/42854
26749         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
26750         if weak_import attribute is present.
26751         * config/darwin.c (machopic_select_section): Likewise.
26752
26753 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
26754
26755         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
26756         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
26757         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
26758         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
26759
26760         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
26761         types.
26762
26763         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
26764         Fix argument types.
26765
26766         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
26767         Rewrite text to refer to the names.
26768
26769 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
26770
26771         * config/i386/i386-builtin-types.def
26772         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
26773         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
26774         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
26775         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
26776         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
26777         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
26778         IX86_BUILTIN_VPERMIL2PS256.
26779         (MULTI_ARG_4_DF2_DI_I): Defined.
26780         (MULTI_ARG_4_DF2_DI_I1): Defined.
26781         (MULTI_ARG_4_SF2_SI_I): Defined.
26782         (MULTI_ARG_4_SF2_SI_I1): Defined.
26783         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
26784         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
26785         __builtin_ia32_vpermil2ps256.
26786         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
26787         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
26788         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
26789         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
26790         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
26791         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
26792         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
26793         CODE_FOR_xop_vpermil2v8sf3.
26794         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
26795         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
26796         * config/i386/xopintrin.h (_mm_permute2_pd): New.
26797         (_mm256_permute2_pd): New.
26798         (_mm_permute2_ps): New.
26799         (_mm256_permute2_ps): New.
26800
26801 2010-02-15  Nick Clifton  <nickc@redhat.com>
26802
26803         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
26804         boolean parameters.  Use emit_jump_insn when emitting a pop
26805         instruction containing a return insn.
26806         (push): Use 'true' rather than '1' as second parameter to F.
26807         (h8300_expand_prologue): Likewise.
26808         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
26809         (h8300_expand_epilogue): Likewise.
26810
26811 2010-02-15  Richard Guenther  <rguenther@suse.de>
26812
26813         PR middle-end/43068
26814         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
26815         if that is zero.
26816
26817 2010-02-15  Nick Clifton  <nickc@redhat.com>
26818
26819         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
26820         delta.
26821
26822 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
26823
26824         * intl.c (fake_ngettext): New function.
26825         * intl.h (fake_ngettext): Declare.
26826         (ngettext): Define macro.
26827         * collect2.c (notice_translated): New function.
26828         (main): Use notice_translated and ngettext.
26829         * collect2.h (notice_translated): Declare.
26830
26831 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
26832
26833         * reorg.c (delete_computation): Comment fixes.
26834         * caller-save.c (setup_save_areas): Idem.
26835         * sel-sched-dump.c (dump_lv_set): Idem.
26836         * rtl.def: Idem.
26837
26838 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
26839
26840         * config/s390/s390.c (s390_sched_init): New function.
26841         (TARGET_SCHED_INIT): Target hook defined.
26842
26843 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
26844             Jack Howarth  <howarth@bromo.med.uc.edu>
26845             Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
26846
26847         PR target/42982
26848         Partial revert of unintended change in fix for PR41605.
26849         * config/darwin.h: Fix typo.
26850         * config/darwin9.h: Same.
26851
26852 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
26853
26854         * c-pch.c (pch_init): Clear v.
26855
26856 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
26857
26858         PR middle-end/42930
26859         * graphite-scop-detection.c (graphite_can_represent_scev): Call
26860         graphite_can_represent_init for MULT_EXPR.
26861
26862 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
26863
26864         PR middle-end/42914
26865         PR middle-end/42530
26866         * graphite-sese-to-poly.c (remove_phi): New.
26867         (translate_scalar_reduction_to_array): Call remove_phi.
26868
26869 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
26870
26871         PR middle-end/42771
26872         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
26873         * graphite-clast-to-gimple.h (gloog): Update declaration.
26874         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
26875         * graphite-poly.h (struct poly_bb): Add missing comments.
26876         (struct scop): Add poly_scop_p field.
26877         (POLY_SCOP_P): New.
26878         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
26879         * graphite.c (graphite_transform_loops): Build the polyhedral
26880         representation for each scop before code generation.
26881         * sese.c (rename_variables_in_operand): Removed.
26882         (rename_variables_in_expr): Return the renamed expression.
26883         (rename_sese_parameters): New.
26884         * sese.h (rename_sese_parameters): Declared.
26885
26886 2010-02-11  Richard Guenther  <rguenther@suse.de>
26887
26888         PR tree-optimization/42998
26889         * tree-ssa-pre.c (create_expression_by_pieces): Treat
26890         POINTER_PLUS_EXPR properly.
26891
26892 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
26893             Changpeng Fang  <changpeng.fang@amd.com>
26894
26895         PR middle-end/40886
26896         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
26897         the cost of an IV candidate when the IV is used in a test against zero.
26898
26899         * gcc.dg/tree-ssa/ivopts-3.c: New.
26900
26901 2010-02-11  Richard Guenther  <rguenther@suse.de>
26902
26903         PR lto/41664
26904         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
26905         pointer-vs-decl case by swapping refs.  Handle some cases
26906         of pointer-vs-decl disambiguations more conservatively.
26907         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
26908         to false after expanding.
26909
26910 2010-02-11  Richard Guenther  <rguenther@suse.de>
26911
26912         PR driver/43021
26913         * gcc.c (process_command): Handle LTO file@offset case more
26914         appropriately.
26915
26916 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
26917
26918         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
26919         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
26920         of DEBUG_INSNs.
26921         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
26922
26923         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
26924         if MEM's mode size isn't DWARF2_ADDR_SIZE.
26925         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
26926         Optimize eq/ne comparisons when both arguments are known to be
26927         zero-extended.
26928         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
26929         Don't mask operands unnecessarily if they are known to be already
26930         zero-extended.
26931
26932 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
26933
26934         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
26935         instead of loop.
26936
26937 2010-02-10  Richard Guenther  <rguenther@suse.de>
26938
26939         PR tree-optimization/43017
26940         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
26941         for wrapping signed arithmetic.
26942
26943 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
26944
26945         PR debug/43010
26946         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
26947         if no debug info should be emitted for it.
26948
26949 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
26950
26951         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
26952         note when flag_exceptions is set.
26953
26954 2010-02-10  Duncan Sands  <baldrick@free.fr>
26955
26956         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
26957
26958 2010-02-10  Richard Guenther  <rguenther@suse.de>
26959
26960         PR c/43007
26961         * tree.c (get_unwidened): Handle constants.
26962         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
26963
26964 2010-02-10  Martin Jambor  <mjambor@suse.cz>
26965
26966         PR lto/42985
26967         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
26968         check for variable argument counts independently.
26969
26970 2010-02-10  Christian Bruel  <christian.bruel@st.com>
26971
26972         PR target/42841
26973         * config/sh/sh.c (find_barrier): Increase length for non delayed
26974         conditional branches.
26975
26976 2010-02-10  Christian Bruel  <christian.bruel@st.com>
26977
26978         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
26979
26980 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
26981
26982         * builtins.c (set_builtin_user_assembler_name): Also handle
26983         ffs if int is smaller than word.
26984
26985 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
26986
26987         PR middle-end/42973
26988         * ira-conflicts.c (get_dup): Remove.
26989         (process_reg_shuffles): Add new parameter.  Use it as an
26990         additional guard for copy generation.
26991         (add_insn_allocno_copies): Rewrite.
26992
26993 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
26994
26995         * common.opt (fsched2-use-traces): Preserved for backward
26996         compatibility.
26997         * doc/invoke.texi: Remove the documentation about option
26998         -fsched2-use-traces.
26999         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
27000         flag_sched2_use_traces.
27001         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
27002         the backward compatibility flag section.
27003
27004 2010-02-09  Richard Guenther  <rguenther@suse.de>
27005
27006         PR tree-optimization/43008
27007         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
27008         make HEAP variables initialized from global memory if they
27009         are not known builtin functions.
27010         (find_func_aliases): Adjust.
27011
27012 2010-02-09  Richard Guenther  <rguenther@suse.de>
27013
27014         PR tree-optimization/43000
27015         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
27016         arithmetic manually.
27017
27018 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
27019
27020         PR tree-optimization/42931
27021         * tree-loop-linear.c (try_interchange_loops): Don't call
27022         double_int_mul if estimated_loop_iterations failed.
27023
27024 2010-02-08  Martin Jambor  <mjambor@suse.cz>
27025
27026         PR middle-end/42898
27027         * tree-sra.c (build_accesses_from_assign): Do not mark in
27028         should_scalarize_away_bitmap if stmt has volatile ops.
27029         (sra_modify_assign): Do not process assigns piecemeal if if stmt
27030         has volatile ops.
27031
27032 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
27033
27034         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
27035
27036 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
27037
27038         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
27039         before the pattern.
27040
27041 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
27042
27043         PR middle-end/42946
27044         * df-core.c (df_finish_pass): Change type of saved_flags to int.
27045
27046 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
27047
27048         PR middle-end/42988
27049         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
27050         to unknown_dependence.
27051         (graphite_legal_transform_dr): Handle the unknown_dependence.
27052         (graphite_carried_dependence_level_k): Same.
27053
27054 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
27055
27056         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
27057
27058 2010-02-07  Richard Guenther  <rguenther@suse.de>
27059
27060         PR middle-end/42991
27061         * expr.c (get_inner_reference): Always initialize *pbitsize.
27062
27063 2010-02-07  Richard Guenther  <rguenther@suse.de>
27064
27065         PR middle-end/42956
27066         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
27067         new ARRAY_REFs on variable size element or minimal index arrays.
27068         Complete.
27069         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
27070         gimple_fold_indirect_ref.
27071
27072 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
27073
27074         PR target/42957
27075         * arm.c (arm_override_options): Just return if the user has specified
27076         an invalid fpu name.
27077
27078 2010-02-03  Jason Merrill  <jason@redhat.com>
27079
27080         PR c++/42870
27081         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
27082         i386_pe_maybe_record_exported_symbol.
27083
27084 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
27085
27086         PR target/42924
27087         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
27088         (pa_delegitimize_address): New function.
27089
27090 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
27091
27092         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
27093         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
27094
27095 2010-02-05  Richard Guenther  <rguenther@suse.de>
27096
27097         PR lto/42762
27098         * lto-streamer-in.c (get_resolution): Deal with references
27099         to undefined functions.
27100
27101 2010-02-05  Richard Guenther  <rguenther@suse.de>
27102
27103         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
27104         (fold_const_aggregate_ref): Likewise.
27105         (ccp_fold_stmt): Substitute loads.
27106         (maybe_fold_reference): Verify types before substituting.
27107         Unshare properly.
27108         (fold_gimple_assign): Unshare properly.
27109         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
27110
27111 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
27112
27113         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
27114         for rs6000_gen_cell_microcode.
27115
27116 2010-02-04  Richard Guenther  <rguenther@suse.de>
27117
27118         PR rtl-optimization/42952
27119         * dse.c (const_or_frame_p): Remove MEM handling.
27120
27121 2010-02-04  Nick Clifton  <nickc@redhat.com>
27122
27123         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
27124         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
27125         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
27126         (mn10300_asm_output_mi_thunk): New function.
27127         (mn10300_can_output_mu_thunk): New function.
27128         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
27129         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
27130         (FUNCTION_ARG): Delete incorrect comment.
27131
27132 2010-02-03  Jason Merrill  <jason@redhat.com>
27133
27134         PR c++/40138
27135         * fold-const.c (operand_equal_p): Handle erroneous types.
27136
27137 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
27138
27139         * config/h8300/h8300.md (can_delay): Fix attibute condition.
27140
27141 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
27142
27143         PR rtl-optimization/42941
27144         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
27145         of xmalloc.
27146
27147 2010-02-03  Jason Merrill  <jason@redhat.com>
27148
27149         PR c++/35652
27150         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
27151
27152 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
27153
27154         PR debug/42896
27155         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
27156         (cselib_reset_table): Renamed from...
27157         (cselib_reset_table_with_next_value): ... this.
27158         (cselib_get_next_uid): Renamed from...
27159         (cselib_get_next_unknown_value): ... this.
27160         * cselib.c (next_uid): Renamed from...
27161         (next_unknown_value): ... this.
27162         (cselib_clear_table): Adjust.
27163         (cselib_reset_table): Adjust.  Renamed from...
27164         (cselib_reset_table_with_next_value): ... this.
27165         (cselib_get_next_uid): Adjust.  Renamed from...
27166         (cselib_get_next_unknown_value): ... this.
27167         (get_value_hash): Use hash.
27168         (cselib_hash_rtx): Likewise.
27169         (new_cselib_val): Adjust.  Set and dump uid.
27170         (cselib_lookup_mem): Pass next_uid as hash.
27171         (cselib_subst_to_values): Likewise.
27172         (cselib_log_lookup): Dump uid.
27173         (cselib_lookup): Pass next_uid as hash.  Adjust.
27174         (cselib_process_insn): Adjust.
27175         (cselib_init): Initialize next_uid.
27176         (cselib_finish): Adjust.
27177         (dump_cselib_table): Likewise.
27178         * dse.c (canon_address): Dump value uid.
27179         * print-rtl.c (print_rtx): Print value uid.
27180         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
27181         (dvuid): New type.
27182         (dv_uid): New function, sort of renamed from...
27183         (dv_htab_hash): ... this, reimplemented in terms of it and...
27184         (dv_uid2hash): ... this.  New.
27185         (variable_htab_eq): Drop excess assertions.
27186         (tie_break_pointers): Removed.
27187         (canon_value_cmp): Compare uids.
27188         (variable_post_merge_New_vals): Print uids.
27189         (vt_add_function_parameters): Adjust.
27190         (vt_initialize): Reset table.  Adjust.
27191
27192 2010-02-03  Richard Guenther  <rguenther@suse.de>
27193
27194         PR tree-optimization/42944
27195         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
27196         (call_may_clobber_ref_p_1): Likewise.  Properly handle
27197         malloc and calloc clobbering errno.
27198
27199 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
27200
27201         * doc/invoke.texi: Fix name of sched1 dump.
27202
27203         * opts.c (decode_options): Set flag_tree_switch_conversion
27204         only conditionally on optimize >= 2.
27205
27206         * gcse.c: Assorted comment fixes in pass description.
27207
27208 2010-02-03  Anthony Green  <green@moxielogic.com>
27209
27210         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
27211         nop padding in order to maintain alignment of storage location of
27212         target function address.
27213         (moxie_trampoline_init): Store target function address at newly
27214         aligned location.
27215         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
27216         to 32.
27217         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
27218
27219 2010-02-03  Richard Guenther  <rguenther@suse.de>
27220
27221         PR middle-end/42927
27222         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
27223
27224 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27225
27226         * config.gcc: Reenable check for obsolete targets.
27227         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
27228         mips-sgi-irix6.[0-4]*.
27229
27230 2010-02-02  Nick Clifton  <nickc@redhat.com>
27231
27232         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
27233         constant size of 4 as being the same as 0.
27234         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
27235         can take values in the range 0..4.
27236
27237 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
27238
27239         PR java/41991
27240         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
27241         as _darwin10_Unwind_FindEnclosingFunction().
27242         * libgcc-libsystem.ver: New.
27243
27244 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
27245
27246         PR target/41399
27247         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
27248         implicitly set registers.
27249
27250 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
27251
27252         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
27253         (arm_override_options): Allow automatic selection of the thread
27254         pointer register if thumb2.
27255         (legitimize_pic_address): Improve code sequences for Thumb2.
27256         (arm_call_tls_get_addr): Likewise.
27257         (legitimize_tls_address): Likewise.
27258         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
27259         (pic_load_addr_32bit): ... this.  New named pattern.
27260         * thumb2.md (pic_load_addr_thumb2): Delete.
27261         (pic_load_dot_plus_four): Delete.
27262         (tls_load_dot_plus_four): New named pattern.
27263
27264 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27265
27266         PR libgomp/29986
27267         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
27268         Document fix for TLS bug.
27269
27270 2010-01-31  Richard Guenther  <rguenther@suse.de>
27271
27272         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
27273         conservatively correct.
27274
27275 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27276
27277         PR target/42850
27278         Revert:
27279         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27280
27281         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
27282
27283 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27284
27285         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
27286
27287 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
27288
27289         * config.gcc: Adjust order of makefile fragments for mingw targets.
27290
27291 2010-01-31  Richard Guenther  <rguenther@suse.de>
27292
27293         PR middle-end/42898
27294         * gimplify.c (gimplify_init_constructor): For volatile LHS
27295         initialize a temporary.
27296
27297 2010-01-31  Matthias Klose  <doko@ubuntu.com>
27298
27299         * configure.ac: Fix __stack_chk_fail check for cross builds configured
27300         --with-headers
27301         * configure: Regenerate.
27302
27303 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
27304
27305         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
27306         the same alias set and their sizes different constantness.
27307         (aliasing_component_refs_p): Revert 2009-10-24 change.
27308
27309 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27310
27311         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
27312         unused.
27313
27314 2010-01-29  Richard Guenther  <rguenther@suse.de>
27315
27316         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
27317         Assert we successfully updated the call.
27318
27319 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
27320
27321         PR rtl-optimization/42889
27322         * df.h (df_set_bb_dirty_nonlr): New prototype.
27323         * df-core.c (df_set_bb_dirty_nonlr): New function.
27324         * df-scan.c (df_insn_rescan): Call it instead of
27325         df_set_bb_dirty for DEBUG_INSNs.
27326
27327 2010-01-29  Richard Guenther  <rguenther@suse.de>
27328
27329         PR middle-end/37448
27330         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
27331         quadratic behavior in most cases.
27332
27333 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
27334
27335         PR target/42891
27336         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
27337         in the call to gen_x86_movsicc_0_m1.
27338
27339 2010-01-28  Richard Guenther  <rguenther@suse.de>
27340
27341         PR tree-optimization/42871
27342         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
27343
27344 2010-01-28  Richard Guenther  <rguenther@suse.de>
27345
27346         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
27347         into call arguments.
27348
27349 2010-01-28  Richard Guenther  <rguenther@suse.de>
27350
27351         PR middle-end/42883
27352         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
27353         the forwarder if the destination is an EH landing pad.
27354
27355 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
27356
27357         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
27358         block list passed to gimple_duplicate_sese_tail.
27359         (parallelize_loops): Avoid parallelization when the function
27360         has_nonlocal_label.
27361         Avoid parallelization when the preheader is IRREDUCIBLE.
27362         Try to optimize when estimated_loop_iterations_int is unresolved.
27363         Add the loop's location to the dump file.
27364         * tree-cfg.c (add_phi_args_after_redirect): Remove.
27365         (gimple_duplicate_sese_tail): Remove the check for the latch.
27366         Redirect nexits to the exit block.
27367         Remove handling of the incoming edges to the latch.
27368         Redirect the backedge from the copied latch to the exit bb.
27369
27370 2010-01-28  Michael Matz  <matz@suse.de>
27371
27372         PR target/42881
27373         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
27374         Wrap force_reg into a sequence, emit it before user.
27375
27376 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
27377
27378         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
27379         (arm_rev): New.
27380         (arm_legacy_rev): Likewise.
27381         (thumb_legacy_rev): Likewise.
27382
27383 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
27384
27385         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
27386         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
27387         on MEM's address failed, try avoid_constant_pool_reference and
27388         recurse if it returned something different.
27389         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
27390         address, try avoid_constant_pool_reference and recurse if it
27391         returned something different.
27392         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
27393         address and avoid_constant_pool_reference returned something
27394         different, don't set have_address.
27395
27396 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
27397
27398         PR debug/42861
27399         * var-tracking.c (val_store): Add modified argument, obey it.
27400         Adjust callers.
27401         (count_uses): Move down logging of main.
27402         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
27403         don't need resolution.
27404         (emit_notes_in_bb): Likewise.
27405
27406 2010-01-27  Richard Guenther  <rguenther@suse.de>
27407
27408         PR middle-end/42878
27409         * tree-inline.c (remap_decl): Delay remapping of SSA name
27410         default definitions until we need them.
27411
27412 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
27413
27414         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
27415         (rs6000_delegitimize_address): New function.
27416
27417         * config/s390/s390.c (s390_delegitimize_address): Call
27418         delegitimize_mem_from_attrs.
27419
27420         PR middle-end/42874
27421         * tree-inline.c (cannot_copy_type_1): Removed.
27422         (copy_forbidden): Don't forbid copying of functions containing
27423         records/unions with variable length fields.
27424
27425 2010-01-27  Christian Bruel  <christian.bruel@st.com>
27426
27427         Revert:
27428         PR target/42841
27429         * config/sh/sh.c (find_barrier): Increase length for non delayed
27430         conditional branches.
27431
27432 2010-01-27  Matthias Klose  <doko@ubuntu.com>
27433
27434         * configure.ac (gnu-unique-object): Fix ldd version check.
27435         * configure: Regenerate.
27436
27437 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27438
27439         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
27440         HAVE_GNU_AS value.
27441         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
27442         Test for HAVE_GNU_AS value.
27443
27444 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27445
27446         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
27447         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
27448         INT64_TYPE): Define.
27449         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
27450         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
27451         INT_LEAST64_TYPE): Define.
27452         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
27453         UINT_LEAST64_TYPE): Define.
27454         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
27455         INT_FAST64_TYPE): Define.
27456         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
27457         UINT_FAST64_TYPE): Define.
27458         (INTMAX_TYPE, UINTMAX_TYPE): Define.
27459         (INTPTR_TYPE, UINTPTR_TYPE): Define.
27460         (SIG_ATOMIC_TYPE): Define.
27461
27462 2010-01-26  Richard Guenther  <rguenther@suse.de>
27463
27464         * df-scan.c (df_scan_set_bb_info): Remove assert.
27465         (df_insn_rescan_debug_internal): Merge asserts.
27466         (df_install_ref): Likewise.
27467         (df_mark_reg): Use bitmap_set_range.
27468         (df_hard_reg_used_p): Remove assert.
27469         (df_hard_reg_used_count): Likewise.
27470
27471 2010-01-26  Richard Guenther  <rguenther@suse.de>
27472
27473         PR rtl-optimization/42685
27474         * web.c (web_main): Ignore DEBUG_INSNs.
27475
27476 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
27477
27478         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
27479
27480         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
27481         Fix types of fndecl and arglist parameters.
27482
27483 2010-01-26  Richard Guenther  <rguenther@suse.de>
27484
27485         PR middle-end/42806
27486         * tree-eh.c (unsplit_eh): Skip debug insns.
27487
27488 2010-01-26  Richard Guenther  <rguenther@suse.de>
27489
27490         PR tree-optimization/42250
27491         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
27492
27493 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
27494
27495         PR fortran/42866
27496         * omp-low.c (expand_omp_sections): Only use single_pred if
27497         l2_bb is single_pred_p.
27498
27499 2010-01-25  Christian Bruel  <christian.bruel@st.com>
27500
27501         PR target/42841
27502         * config/sh/sh.c (find_barrier): Increase length for non delayed
27503         conditional branches.
27504         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
27505
27506 2010-01-24  David S. Miller  <davem@davemloft.net>
27507
27508         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
27509         define if not using GAS.
27510         * config/sparc/sparc.c (sparc_elf_asm_named_section):
27511         Likewise.  Delete SECTION_MERGE code, which is only applicable
27512         when using GAS.
27513
27514 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
27515
27516         PR c++/42748
27517         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
27518         mangling of va_list in system headers.
27519
27520 2010-01-23  Toon Moene  <toon@moene.org>
27521
27522         * tree-predcom.c (combine_chains): Return NULL, not false.
27523
27524 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
27525
27526         * tree-loop-distribution.c (distribute_loop): Fix declaration and
27527         initialization of variable res to agree with return type.
27528
27529 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
27530
27531         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
27532         * tree-sra.c: Add include of expr.h.
27533
27534 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
27535
27536         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
27537         insert the debug stmt on the single non-EH edge from the stmt.
27538
27539 2010-01-22  Richard Henderson  <rth@redhat.com>
27540
27541         PR tree-opt/42833
27542         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
27543         the RHS until after generate_subtree_copies has insertted its
27544         code before the current statement.
27545
27546 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
27547
27548         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
27549
27550         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
27551
27552 2010-01-21  Martin Jambor  <mjambor@suse.cz>
27553
27554         PR tree-optimization/42585
27555         * tree-sra.c (struct access): New field grp_total_scalarization.
27556         (dump_access): Dump the new field.
27557         (should_scalarize_away_bitmap): New variable.
27558         (cannot_scalarize_away_bitmap): Likewise.
27559         (sra_initialize): Allocate new bitmaps.
27560         (sra_deinitialize): Free new bitmaps.
27561         (create_access_1): New function.
27562         (create_access): Parts moved to create_access_1.
27563         (type_consists_of_records_p): New function.
27564         (completely_scalarize_record): Likewise.
27565         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
27566         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
27567         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
27568         access.
27569         (analyze_all_variable_accesses): Completely scalarize small eligible
27570         records.
27571
27572 2010-01-21  Martin Jambor  <mjambor@suse.cz>
27573
27574         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
27575
27576 2010-01-21  Andrew Haley  <aph@redhat.com>
27577
27578         * gcc.c (process_command): Move lang_specific_driver before
27579         setting cc_libexec_prefix.
27580
27581 2010-01-21  Richard Guenther  <rguenther@suse.de>
27582
27583         PR middle-end/19988
27584         * fold-const.c (negate_expr_p): Pretend only negative
27585         real constants are easily negatable.
27586
27587 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
27588             Jason Merrill  <jason@redhat.com>
27589
27590         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
27591         (TYPE_TRANSPARENT_AGGR): this, for union and record.
27592         * calls.c (initialize argument_information): Handle it.
27593         * c-common.c (handle_transparent_union_attribute): Use new name.
27594         * c-decl.c (finish_struct): Ditto.
27595         * c-typeck.c (type_lists_compatible_p): Ditto.
27596         (convert_for_assignment): Use new name and also handle record.
27597         * function.c (aggregate_value_p): Handle it.
27598         (pass_by_reference): Ditto.
27599         (assign_parm_data_types): Ditto.
27600         * print-tree.c (print_node): Ditto.
27601         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
27602         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
27603         * tree.c (first_field): New fn.
27604
27605 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
27606
27607         PR target/42818
27608         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
27609         even when linking statically, for now.
27610
27611 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
27612
27613         PR debug/42715
27614         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
27615         without a cselib val.
27616         (count_uses): Accept MO_VAL_SET with no val on stores.
27617         (add_stores): Likewise.
27618
27619 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
27620
27621         * var-tracking.c (check_value_val): Add a compile time assertion.
27622         (dv_is_decl_p): Simplify.
27623         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
27624         gcc_assert if ENABLE_CHECKING.
27625
27626 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
27627
27628         PR debug/42782
27629         * var-tracking.c: Include tree-flow.h.
27630         (mem_dies_at_call): New.
27631         (dataflow_set_preserve_mem_locs): Use it.
27632         (dataflow_set_remove_mem_locs): Likewise.
27633         (dump_var): Renamed from dump_variable.  Adjust all callers.
27634         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
27635         * Makefile.in (var-tracking.o): Adjust deps.
27636
27637 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
27638
27639         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
27640
27641 2010-01-20  Richard Guenther  <rguenther@suse.de>
27642
27643         PR tree-optimization/42717
27644         * tree-ssa-dce.c (get_live_post_dom): Remove.
27645         (forward_edge_to_pdom): Take an arbitrary edge to copy
27646         degenerate PHI args from.
27647         (remove_dead_stmt): Use the first post-dominator even if it
27648         does not contain live statements as redirection destination.
27649
27650 2010-01-20  Richard Guenther  <rguenther@suse.de>
27651
27652         * tree-inline.c (estimate_num_insns): Handle EH builtins.
27653
27654 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
27655
27656         * sel-sched.c (create_speculation_check): Remove set but not used
27657         variable twin.
27658         (try_transformation_cache): Remove set but not used variable ds.
27659         (calculate_privileged_insns): Remove set but not used variables
27660         cur_insn and min_spec_insn.
27661         (find_best_expr): Remove set but not used variable avail_n.
27662         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
27663         variable e.
27664         * cgraphunit.c (assemble_thunk): Remove set but not used variable
27665         false_label.
27666         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
27667         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
27668         new_scop_exit_edge.
27669
27670 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
27671
27672         PR bootstrap/42786
27673         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
27674         cpu types.  Add support for *-sse3 cpu types.
27675         (x86_64-*-*): Ditto.
27676
27677 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
27678
27679         PR middle-end/42803
27680         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
27681         argument, call initializer_constant_valid_p_1 instead of
27682         initializer_constant_valid_p, pass CACHE to it, return NULL
27683         immediately if first call returns NULL.
27684         (initializer_constant_valid_p_1): New function.
27685         (initializer_constant_valid_p): Use it.
27686
27687 2010-01-20  Thomas Quinot  <quinot@adacore.com>
27688
27689         * tree.def (PLACEHOLDER_EXPR): Fix comment.
27690
27691 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
27692
27693         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
27694         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
27695         (loc_list_from_tree): Don't handle unsigned division.  Handle
27696         signed modulo using DW_OP_{over,over,div,mul,minus}.
27697         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
27698         modulo instead of signed.
27699
27700 2010-01-20  DJ Delorie  <dj@redhat.com>
27701
27702         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
27703         (Fpa): Pass it
27704         (h8300_emit_stack_adjustment): Propogate it.
27705         (push): Pass it.
27706         (h8300_expand_prologue): Likewise.
27707         (h8300_expand_epilogue): Likewise.
27708
27709 2010-01-19  Michael Matz  <matz@suse.de>
27710
27711         PR tree-optimization/41783
27712         * tree-data-ref.c (toplevel): Include flags.h.
27713         (dump_data_dependence_relation):  Also dump the inputs if the
27714         result will be unknown.
27715         (split_constant_offset_1): Look through some conversions.
27716         * tree-predcom.c (determine_roots_comp): Restart a new chain if
27717         the offset from last element is too large.
27718         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
27719         (reassociate_to_the_same_stmt): Handle vector registers.
27720         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
27721         (e.g. conversions).
27722         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
27723         wide_prolog_niters argument, emit widening instructions.
27724         (vect_do_peeling_for_alignment): Adjust caller, use widened
27725         variant of the iteration cound.
27726         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
27727
27728 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
27729
27730         PR target/38697
27731         * config/arm/neon-testgen.m (emit_automatics): New parameter
27732         features. Adjust for Fixed_return_reg feature.
27733         (test_intrinsic): Call emit_automatics with new feature.
27734         * config/arm/neon.ml: Update copyright years.
27735         (features): New Fixed_return_reg feature.
27736         (ops): Update feature for Vget_low.
27737
27738 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
27739
27740         PR tree-optimization/42719
27741         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
27742         stmt uses.
27743
27744         PR debug/42728
27745         * fwprop.c (all_uses_available_at): Return false if def_set dest
27746         is a REG that is used in def_insn.
27747
27748 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
27749
27750         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
27751
27752         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
27753         Add argument names.
27754
27755         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
27756
27757         * target.h (struct gcc_target) <secondary_reload>: Change type
27758         of last argument to secondary_reload_info *.
27759
27760 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
27761
27762         PR target/42774
27763         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
27764         memory references with unaligned offsets.  Remove CQImode handling.
27765         (unaligned_memory_operand): Return 1 for memory references with
27766         unaligned offsets.  Remove CQImode handling.
27767
27768 2010-01-18  Richard Guenther  <rguenther@suse.de>
27769
27770         PR middle-end/39954
27771         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
27772         builtin calls.
27773
27774 2010-01-18  Richard Guenther  <rguenther@suse.de>
27775
27776         PR tree-optimization/42781
27777         * tree-ssa-structalias.c (find_what_var_points_to): Skip
27778         restrict processing only if the original variable was artificial.
27779
27780 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
27781
27782         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
27783         find number of popped argument bytes.
27784
27785         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
27786         Fix the text that describes the return value for invalid insns.
27787
27788         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
27789
27790         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
27791         Clarify what 'cost of the -dependence' is.  Fix quoting.
27792
27793         * toplev.c (default_get_pch_validity): Rename argument to "sz".
27794         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
27795
27796 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
27797
27798         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
27799         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
27800
27801 2010-01-17  Richard Guenther  <rguenther@suse.de>
27802
27803         PR middle-end/42248
27804         * function.c (split_complex_args): Take a VEC to modify.
27805         (assign_parms_augmented_arg_list): Build a VEC instead of
27806         a chain of PARM_DECLs.
27807         (assign_parms_unsplit_complex): Take a VEC of arguments.
27808         Do not fixup unmodified parms.
27809         (assign_parms): Deal with the VEC.
27810         (gimplify_parameters): Likewise.
27811
27812 2010-01-17  Richard Guenther  <rguenther@suse.de>
27813
27814         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
27815         node existence check.
27816         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
27817         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
27818         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
27819         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
27820         (gimple_execute_on_growing_pred): Likewise.
27821
27822 2010-01-17  Richard Guenther  <rguenther@suse.de>
27823
27824         PR tree-optimization/42773
27825         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
27826         (compute_antic_aux): Likewise.
27827         (compute_partial_antic_aux): Likewise.
27828
27829 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
27830
27831         PR debug/42767
27832         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
27833         and US_TRUNCATE.
27834
27835 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
27836
27837         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
27838         appearance.
27839
27840         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
27841         Fix markup for strict argument.
27842
27843         (TARGET_SCHED_REORDER2): Fix argument types.
27844
27845         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
27846         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
27847
27848         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
27849         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
27850
27851         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
27852         Add argument name.
27853
27854         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
27855         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
27856         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
27857         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
27858         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
27859
27860         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
27861
27862         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
27863
27864         (TARGET_ASM_RELOC_RW_MASK): Add return type.
27865         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
27866
27867         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
27868
27869         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
27870         Use prototype.
27871
27872         (TARGET_ASM_NAMED_SECTION): Fix argument list.
27873
27874         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
27875         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
27876
27877         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
27878
27879         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
27880
27881         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
27882         referring to it.  Fix language.
27883
27884         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
27885
27886         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
27887
27888         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
27889
27890         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
27891
27892         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
27893         '@var{stream}.  Remove stray 'and'.
27894
27895         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
27896
27897         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
27898
27899         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
27900
27901         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
27902         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
27903
27904         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
27905         Fix description of return value.
27906         Rename argument "sz" to "len."
27907
27908         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
27909         Clarify meaning of 'true' return value.
27910
27911         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
27912
27913         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
27914         rep_mode versus mode_rep.
27915
27916         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
27917
27918         (TARGET_BUILTIN_DECL): Fix name.
27919
27920         (TARGET_COMMUTATIVE_P): Fix type of first argument.
27921
27922         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
27923
27924         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
27925
27926         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
27927
27928         (TARGET_RELAXED_ORDERING): Use @deftypevr.
27929
27930         (TARGET_GET_DRAP_RTX): Note that this is a hook.
27931         Clarify language.
27932
27933         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
27934         Rename argument tm_fn to md_fn.
27935
27936         (TARGET_OPTION_PRINT): Fix argument list.
27937
27938 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
27939
27940         PR target/42664
27941         * config/i386/i386.c (ix86_fixup_binary_operands):
27942         Revert FMA4 fixup of operands.
27943
27944 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
27945
27946         PR gcc/42525
27947         * Makefile.in (write_entries_to_file, install-plugin):
27948         Use \012 instead of \n with tr.
27949
27950 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
27951
27952         * configure.ac (HAVE_AS_REF): New C macro.
27953         * configure: Regenerate.
27954         * config.in: Likewise.
27955         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
27956         if HAVE_AS_REF.
27957         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
27958         if HAVE_AS_REF.
27959
27960 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
27961
27962         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
27963
27964         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
27965
27966         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
27967
27968         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
27969
27970         (TARGET_IN_SMALL_DATA_P): Fix argument type.
27971
27972         (TARGET_BINDS_LOCAL_P): Fix argument type.
27973
27974         (TARGET_ASM_FILE_END): Use prototype.
27975
27976         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
27977
27978         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
27979
27980         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
27981
27982         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
27983
27984         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
27985         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
27986
27987         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
27988         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
27989
27990         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
27991         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
27992         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
27993         (TARGET_ADDR_SPACE_CONVERT): Likewise.
27994
27995         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
27996
27997         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
27998
27999         (TARGET_INIT_BUILTINS): Use prototype.
28000
28001         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
28002         Put 'const char *' in braces.  Fix parameter types.
28003         (TARGET_INVALID_CONVERSION): Fix parameter types.
28004         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
28005         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
28006
28007         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
28008         Fix argument type.
28009
28010         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
28011
28012         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
28013
28014 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
28015
28016         * doc/tm.texi (TARGET_HELP): Fix return type.
28017
28018         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
28019         in braces.  Fix argument types.
28020
28021         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
28022
28023         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
28024
28025         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
28026
28027         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
28028         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
28029
28030         (TARGET_MANGLE_TYPE): Fix argument types.
28031
28032         (TARGET_IRA_COVER_CLASSES): Use prototype.
28033
28034         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
28035
28036         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
28037
28038         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
28039
28040         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
28041
28042         (TARGET_CALLEE_COPIES): Fix argument types.
28043
28044         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
28045
28046         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
28047
28048         (TARGET_FUNCTION_VALUE): Fix argument types.
28049
28050         (TARGET_RETURN_IN_MSB): Fix argument type.
28051
28052         (TARGET_RETURN_IN_MEMORY): Fix argument types.
28053
28054         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
28055
28056         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
28057
28058         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
28059         agree with return type.
28060
28061         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
28062
28063 2010-01-15  Jing Yu  <jingyu@google.com>
28064
28065         PR rtl-optimization/42691
28066         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
28067         a pseudo to a constant and are merged, and adjust comments.
28068
28069 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
28070
28071         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
28072
28073 2010-01-15  Richard Guenther  <rguenther@suse.de>
28074
28075         PR middle-end/42739
28076         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
28077         labels of computed or non-local gotos to the destination.
28078         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
28079         landing pad label is the first label.
28080
28081 2010-01-15  Richard Guenther  <rguenther@suse.de>
28082
28083         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
28084
28085 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
28086
28087         PR target/42747
28088         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
28089         to allow generation of the xssqrtdp instruction on power7.
28090         (sqrtdf2_fpr): Ditto.
28091
28092 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
28093
28094         PR middle-end/42674
28095         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
28096         functions with noreturn attribute.
28097
28098         PR c++/42608
28099         * varasm.c (declare_weak): Add weak attribute to decl if it
28100         doesn't have one already.
28101         (assemble_external): Only add decls to weak_decls if they also
28102         have weak attribute.
28103
28104 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
28105
28106         * var-tracking.c (var_reg_delete): Don't delete the association
28107         between REGs and values or one-part variables if the register
28108         isn't clobbered.
28109
28110 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
28111
28112         PR debug/42657
28113         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
28114         because its first operand is a non-localized variable.
28115
28116 2010-01-14  Martin Jambor  <mjambor@suse.cz>
28117
28118         PR tree-optimization/42706
28119         * tree-sra.c (encountered_recursive_call): New variable.
28120         (encountered_unchangable_recursive_call): Likewise.
28121         (sra_initialize): Initialize both new variables.
28122         (callsite_has_enough_arguments_p): New function.
28123         (scan_function): Call decl and flags check only for IPA-SRA, check
28124         whether there is a recursive call and whether it has enough arguments.
28125         (all_callers_have_enough_arguments_p): New function.
28126         (convert_callers): Look for recursive calls only when
28127         encountered_recursive_call is set.
28128         (ipa_early_sra): Bail out either if
28129         !all_callers_have_enough_arguments_p or
28130         encountered_unchangable_recursive_call.
28131
28132 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28133
28134         * sel-sched.c: Add 2010 to copyright years.
28135         * sel-sched-ir.c: Likewise.
28136         * sel-sched-ir.h: Likewise.
28137
28138 2010-01-14  Martin Jambor  <mjambor@suse.cz>
28139
28140         PR tree-optimization/42714
28141         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
28142         constructors specially.
28143
28144 2010-01-14  Andi Kleen  <ak@linux.intel.com>
28145
28146         * config/i386/drivers-i386.c (detect_caches_intel):
28147         Add l2sizekb parameter and fill in.
28148         (host_detect_local_cpu): Add l2sizekb, fill in.
28149         Add Atom small cache heuristic.
28150
28151 2010-01-14  Andi Kleen  <ak@linux.intel.com>
28152
28153         * config/i386/drivers-i386.c (detect_caches_cpuid4):
28154         Add level3 parameter and fill in.
28155         (detect_caches_intel): Handle level3 cache.
28156
28157 2010-01-14  Andi Kleen  <ak@linux.intel.com>
28158
28159         * config/i386/drivers-i386.c (host_detect_local_cpu):
28160         Fix core duo detection.
28161
28162 2010-01-14  Andi Kleen  <ak@linux.intel.com>
28163
28164         * config/i386/drivers-i386.c (host_detect_local_cpu):
28165         Fix Atom detection.
28166
28167 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28168
28169         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
28170         (rs6000_variable_issue_1): this.  Use...
28171         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
28172
28173 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28174
28175         * sel-sched-ir.c (sel_restore_other_notes): Rename to
28176         sel_restore_notes.  Update all callers.  Call reemit_notes
28177         for all insns.
28178
28179 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28180
28181         PR rtl-optimization/42246
28182         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
28183         loops.
28184
28185 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28186
28187         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
28188         all successors is the same as number of successors in current region.
28189
28190 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28191
28192         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
28193         to rename is not separable.  Otherwise check that its LHS is not NULL.
28194
28195 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28196
28197         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
28198
28199 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28200
28201         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
28202         available registers when failed to discover LHS register class.
28203         Fix indentation.  Update comment.
28204
28205 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28206             Alexander Monakov  <amonakov@ispras.ru>
28207
28208         PR rtl-optimization/42389
28209         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
28210         to can_issue_more.
28211         (advance_state_on_fence): Likewise.
28212         (sel_target_adjust_priority): Print debug output only when
28213         sched_verbose >= 4, not 2.
28214         (get_expr_cost): Do not issue all unique insns on the next cycle.
28215         (fill_insns): Initialize can_issue_more from the value saved
28216         with the fence.
28217         * sel-sched-ir.c (flist_add): New parameter issue_more.
28218         Init FENCE_ISSUE_MORE with it.
28219         (merge_fences): Likewise.
28220         (init_fences): Update call to flist_add.
28221         (add_to_fences, add_clean_fence_to_fences)
28222         (add_dirty_fence_to_fences): Likewise.
28223         (move_fence_to_fences): Update call to merge_fences.
28224         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
28225         sched groups.
28226         * sel-sched-ir.h (struct _fence): New field issue_more.
28227         (FENCE_ISSUE_MORE): New accessor macro.
28228
28229 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28230
28231         PR rtl-optimization/42388
28232         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
28233         that have no predecessors nor successors.  Do not call move_bb_info
28234         for empty blocks outside of current region.
28235
28236 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28237
28238         PR rtl-optimization/42294
28239         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
28240         * sel-sched.c (move_exprs_to_boundary): Transitively add all
28241         originators' originators.
28242
28243 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
28244
28245         PR rtl-optimization/39453
28246         PR rtl-optimization/42246
28247         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
28248         for pipelining_p.
28249         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
28250
28251 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28252             Alexander Monakov  <amonakov@ispras.ru>
28253
28254         PR middle-end/42245
28255         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
28256         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
28257         argument.  Update all callers.
28258         (tidy_control_flow): ... and here.  Recompute topological order
28259         of basic blocks in region if necessary.
28260         (sel_redirect_edge_and_branch): Change return type.  Return true
28261         if topological order might have been invalidated.
28262         (purge_empty_blocks): Export and move from...
28263         * sel-sched.c (purge_empty_blocks): ... here.
28264         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
28265         (maybe_tidy_empty_bb): Delete prototype.
28266         (purge_empty_blocks): Declare.
28267
28268 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
28269
28270         PR rtl-optimization/42249
28271         * sel-sched.c (try_replace_dest_reg): When chosen register
28272         and original register is the same, do not bail out early, but
28273         still check all original insns for validity of replacing destination
28274         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
28275         in this case.
28276
28277 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
28278
28279         PR c/42721
28280         Port from no-undefined-overflow branch:
28281         2009-03-09  Richard Guenther  <rguenther@suse.de>
28282
28283         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
28284
28285 2010-01-14  Richard Guenther  <rguenther@suse.de>
28286
28287         PR lto/42665
28288         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
28289
28290 2010-01-14  Ira Rosen  <irar@il.ibm.com>
28291
28292         PR tree-optimization/42709
28293         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
28294         as scalar type in creation of constant vector operand.
28295
28296 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
28297
28298         PR testsuite/42414
28299         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
28300         (check-parallel-%): Match `testsuite' directory component only
28301         at the end.
28302
28303 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
28304
28305         PR translation/39521
28306         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
28307         strings with _().
28308
28309 2010-01-13  Richard Guenther  <rguenther@suse.de>
28310
28311         PR tree-optimization/42730
28312         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
28313         offset zero.
28314
28315 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
28316
28317         PR target/pr42542
28318         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
28319         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
28320         them signed.
28321
28322 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
28323
28324         * config/bfin/libgcc-bfin.ver: Regenerate based on current
28325         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
28326         ___umulsi3_highpart.
28327
28328         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
28329         rather than schedule_insns if the pass is enabled.
28330
28331 2010-01-13  Martin Jambor  <mjambor@suse.cz>
28332
28333         PR tree-optimization/42704
28334         * tree-sra.c (sra_modify_assign): Do not delete assignments to
28335         SSA_NAMEs.
28336
28337 2010-01-13  Martin Jambor  <mjambor@suse.cz>
28338
28339         PR tree-optimization/42703
28340         * tree-sra.c (analyze_access_subtree): Check that we can build a
28341         reference to the original data within the aggregate.
28342
28343 2010-01-13  Richard Guenther  <rguenther@suse.de>
28344
28345         PR tree-optimization/42705
28346         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
28347
28348 2010-01-13  Richard Guenther  <rguenther@suse.de>
28349
28350         PR middle-end/42716
28351         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
28352
28353 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
28354
28355         PR debug/41371
28356         * var-tracking.c (values_to_unmark): New variable.
28357         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
28358         values_to_unmark vector.  Moved body to...
28359         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
28360         instead queue it into values_to_unmark vector.
28361         (vt_find_locations): Free values_to_unmark vector.
28362
28363 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
28364
28365         * config/s390/s390.c (override_options): Set
28366         default of max-pending-list-length to 256
28367
28368 2010-01-13  Richard Guenther  <rguenther@suse.de>
28369
28370         PR lto/42678
28371         * tree-pass.h (PROP_gimple_lcx): New.
28372         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
28373         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
28374         before the final cleanup_eh.
28375         (dump_properties): Dump PROP_gimple_lcx.
28376         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
28377         (tree_lower_complex_O0): Remove.
28378         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
28379         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
28380         tree_lower_complex, schedule TODO_update_ssa.
28381         * lto-streamer-out.c (output_function): Stream the functions
28382         properties.
28383         * lto-streamer-in.c (input_function): Likewise.
28384         (lto_read_body): Do not override them here.
28385
28386 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
28387
28388         PR c/42708
28389         * c-typeck.c (build_c_cast): Fold value cast to union type before
28390         wrapping it in a CONSTRUCTOR.
28391
28392 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
28393
28394         PR rtl-optimization/42699
28395         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
28396         involved.
28397
28398 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28399
28400         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
28401         SUBTARGET_WARN_UNUSED_SPEC): Move ...
28402         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
28403         SUBTARGET_WARN_UNUSED_SPEC): ... here
28404         * config/mips/iris5.h (LIBGCC_SPEC): Define.
28405
28406 2010-01-12  Julian Brown  <julian@codesourcery.com>
28407
28408         * config/arm/neon-schedgen.ml (Utils): Don't try to
28409         open missing module.
28410         (find_with_result): New.
28411
28412 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
28413
28414         PR debug/42662
28415         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
28416         sharing when canonicalizing ({lt,ge}u (plus a b) b).
28417
28418         PR tree-optimization/42645
28419         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
28420         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
28421         decl_map, set processing_debug_stmt to -1 and return name without
28422         any remapping.
28423
28424 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
28425
28426         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
28427         binutils version, and reword target configuration description.
28428
28429 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
28430
28431         * config/avr/avr.h (LINKER_NAME): Remove.
28432
28433 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
28434
28435         PR target/42416
28436         * config/rs6000/rs6000.c (rs6000_override_options): On targets
28437         that support VSX, warn for -mno-altivec if vsx is not disabled,
28438         and disable vsx.
28439
28440 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
28441             Shujing Zhao  <pearly.zhao@oracle.com>
28442
28443         PR translation/42469
28444         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
28445         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
28446         character between option name and help text.
28447         * c.opt (imultilib): Likewise.
28448
28449 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
28450
28451         * lto-streamer-out.c (output_unreferenced_globals): Output static
28452         variables.
28453
28454 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
28455
28456         PR rtl-optimization/42621
28457         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
28458         optimizing for size.
28459         (duplicate_computed_gotos): Remove now-redundant check.
28460
28461 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
28462
28463         PR target/37454
28464         * configure.ac: Save and restore LDFLAGS and LIBS
28465         * configure: Regenerate.
28466
28467 2010-01-10  Richard Guenther  <rguenther@suse.de>
28468
28469         PR middle-end/42667
28470         * builtins.c (fold_builtin_strlen): Add type argument and
28471         convert the resulting length to it.
28472         (fold_builtin_1): Adjust.
28473
28474 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
28475
28476         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
28477         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
28478         1 insn.
28479         (num_insns_constant_wide): Adjust for that change.
28480
28481 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28482
28483         PR debug/42631
28484         * web.c (union_defs): Add used argument, to combine uses of
28485         uninitialized regs.
28486         (entry_register): Adjust type and tests of used argument.
28487         (web_main): Widen used for new use.  Pass it to union_defs.
28488         * df.h (union_defs): Adjust prototype.
28489
28490 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28491
28492         PR debug/42630
28493         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
28494         uses in new incoming argument.  Free body.
28495         (reset_debug_uses_in_loop): New.
28496         (analyze_insn_to_expand_var): Call the latter if the former found
28497         anything.  Fix whitespace.  Reject invalid dest overlaps before
28498         going through all insns in the loop.
28499
28500 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28501
28502         PR debug/42629
28503         * haifa-sched.c (dying_use_p): Debug insns don't count.
28504
28505 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28506
28507         PR middle-end/42363
28508         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
28509         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
28510         (verify_gimple_call): Reject LHS in noreturn calls.
28511
28512 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28513
28514         PR debug/42604
28515         PR debug/42395
28516         * tree-vect-loop-manip.c (adjust_info): New type.
28517         (adjust_vec): New pointer to vector.
28518         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
28519         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
28520         (slpeel_update_phis_for_duplicate_loop): Use them.
28521         (slpeel_update_phi_nodes_for_guard1): Likewise.
28522         (slpeel_update_phi_nodes_for_guard2): Likewise.
28523         (slpeel_tree_peel_loop_to_edge): Likewise.
28524         (vect_update_ivs_after_vectorizer): Likewise.
28525
28526 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28527
28528         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
28529         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
28530
28531 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
28532
28533         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
28534         bogus uninitialized warning.
28535
28536 2010-01-09  Richard Guenther  <rguenther@suse.de>
28537
28538         PR middle-end/42512
28539         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
28540         the evolution is compatible with the initial condition.
28541
28542 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
28543
28544         * gcc.c (process_command): Update copyright notice dates.
28545         * gcov.c (print_version): Likewise.
28546         * gcov-dump.c (print_version): Likewise.
28547         * mips-tfile.c (main): Likewise.
28548         * mips-tdump.c (main): Likewise.
28549
28550 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
28551
28552         PR target/41885
28553         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
28554         (rotlhi3): Delete.
28555         (rotlhi3_8): Delete.
28556         (rotlsi3): Delete.
28557         (rotlsi3_8): Delete.
28558         (rotlsi3_16): Delete.
28559         (rotlsi3_24): Delete.
28560         (rotl<mode>3): New.
28561         (*rotw<mode>3): New.
28562         (*rotb<mode>3): New.
28563         * config/avr/avr.c (avr_rotate_bytes): New function.
28564         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
28565
28566 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
28567
28568         PR target/37454
28569         * configure.ac: Modify -rdynamic check.
28570         * configure: Regenerate.
28571
28572 2010-01-08  DJ Delorie  <dj@redhat.com>
28573
28574         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
28575         register popping order.
28576
28577 2010-01-08  Richard Guenther  <rguenther@suse.de>
28578
28579         PR lto/42528
28580         * c.opt (fsigned-char): Also let LTO handle this option.
28581         (funsigned-char): Likewise.
28582
28583 2010-01-07  Richard Guenther  <rguenther@suse.de>
28584
28585         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
28586         (gimple_op): Likewise.
28587         (gimple_op_ptr): Likewise.
28588         (gimple_assign_set_lhs): Remove gcc_assert.
28589         (gimple_assign_set_rhs1): Likewise.
28590         (gimple_assign_set_rhs2): Likewise.
28591         (gimple_call_set_lhs): Likewise.
28592         (gimple_call_set_fn): Likewise.
28593         (gimple_call_set_fndecl): Likewise.
28594         (gimple_call_fndecl): Likewise.
28595         (gimple_call_return_type): Likewise.
28596         (gimple_call_set_chain): Likewise.
28597         (gimple_call_num_args): Likewise.
28598         (gimple_call_set_arg): Likewise.
28599         (gimple_cond_set_code): Likewise.
28600         (gimple_cond_set_lhs): Likewise.
28601         (gimple_cond_set_rhs): Likewise.
28602         (gimple_cond_set_true_label): Likewise.
28603         (gimple_cond_set_false_label): Likewise.
28604         (gimple_label_set_label): Likewise.
28605         (gimple_goto_set_dest): Likewise.
28606         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
28607         (gimple_debug_bind_get_value): Likewise.
28608         (gimple_debug_bind_get_value_ptr): Likewise.
28609         (gimple_debug_bind_set_var): Likewise.
28610         (gimple_debug_bind_set_value): Likewise.
28611         (gimple_debug_bind_reset_value): Likewise.
28612         (gimple_debug_bind_has_value_p): Likewise.
28613         (gimple_return_retval_ptr): Remove gcc_assert.
28614         (gimple_return_retval): Likewise.
28615         (gimple_return_set_retval): Likewise.
28616         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
28617         (safe_referenced_var_iterator): Remove.
28618         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
28619         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
28620         (fill_referenced_var_vec): Remove.
28621         (first_readonly_imm_use): Remove redundant gcc_assert.
28622         (phi_arg_index_from_use): Combine gcc_asserts.
28623         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
28624         (first_imm_use_stmt): Remove redundant gcc_assert.
28625         * tree-cfg.c (verify_gimple_call): Verify function and chain
28626         operands.  Verify arguments.
28627         (verify_types_in_gimple_stmt): Verify condition code and labels.
28628
28629 2010-01-07  Richard Guenther  <rguenther@suse.de>
28630
28631         PR tree-optimization/42641
28632         * sese.c (rename_map_elt_info): Use the SSA name version, do
28633         not hash pointers.
28634
28635 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
28636
28637         PR tree-optimization/42625
28638         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
28639         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
28640
28641 2010-01-07  Duncan Sands  <baldrick@free.fr>
28642
28643         * Makefile.in (PLUGIN_HEADERS): Add version.h.
28644
28645 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
28646
28647         PR target/42511
28648         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
28649         note itself is not function_invariant_p.
28650
28651 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
28652
28653         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
28654         Do not add the DF_NOTE problem.
28655         * store-motion.c (execute_rtl_store_motion): Likewise.
28656
28657 2010-01-07  Martin Jambor  <mjambor@suse.cz>
28658
28659         PR tree-optimization/42157
28660         * tree-sra.c (compare_access_positions): Stabilize sort if both
28661         accesses have integer types, return zero immediately if they are the
28662         same.
28663
28664 2010-01-06  Richard Henderson  <rth@redhat.com>
28665
28666         PR middle-end/41883
28667         * haifa-sched.c (add_to_note_list): Merge into ...
28668         (concat_note_lists): ... here, and ...
28669         (unlink_other_notes, rm_other_notes): Merge into...
28670         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
28671         NOTE_INSN_EPILOGUE_BEG.
28672
28673 2010-01-06  Richard Guenther  <rguenther@suse.de>
28674
28675         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
28676         not inline regular functions into always-inline functions.
28677
28678 2010-01-06  Nick Clifton  <nickc@redhat.com>
28679
28680         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
28681         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
28682         used together.
28683         (OVERRIDE_OPTIONS): Delete.
28684         (OPTIMIZATION_OPTIONS): Define.
28685         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
28686         * config/rx/rx.c (rx_handle_option): Issue an error message if
28687         -mcpu=rx200 and -fpu are used together.
28688         (rx_set_optimization_options): New function.  Issue an error
28689         message if an optimization attribute attempts to reset the FPU/
28690         math optimization pairing.
28691         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
28692         * config/rx/rx.opt: Set the default to 32-bit doubles.
28693         * config/rx/t-rx: Add multilibs for -nofpu option.
28694         * doc/invoke.texi: Update documentation of RX options.
28695
28696 2010-01-06  Richard Guenther  <rguenther@suse.de>
28697
28698         * tree-ssa-pre.c (name_to_id): New global.
28699         (alloc_expression_id): Simplify SSA name handling.
28700         (lookup_expression_id): Likewise.
28701         (init_pre): Zero name_to_id.
28702         (fini_pre): Free it.
28703
28704 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
28705
28706         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
28707
28708 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
28709
28710         PR target/42542
28711         * config/i386/sse.md (smaxv2di3): New.
28712         (umaxv2di3): Likewise.
28713         (sminv2di3): Likewise.
28714         (uminv2di3): Likewise.
28715
28716 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
28717
28718         PR target/42564
28719         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
28720         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
28721         (legitimize_tls_address): Likewise.
28722         (sparc_tls_referenced_p): Likewise.
28723         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
28724         and adjust calls to legitimize_pic_address.
28725         (legitimate_constant_p) Use sparc_tls_referenced_p.
28726         (legitimate_pic_operand_p): Likewise.
28727         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
28728         (sparc_tls_symbol_ref_1): Delete.
28729         (sparc_tls_referenced_p): Make static, recognize specific patterns.
28730         (legitimize_tls_address): Make static, handle CONST patterns.
28731         (legitimize_pic_address): Make static, remove unused parameter and
28732         adjust recursive calls.
28733         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
28734         and adjust call to legitimize_pic_address.
28735         (sparc_output_mi_thunk): Likewise.
28736
28737 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
28738             H.J. Lu  <hongjiu.lu@intel.com>
28739
28740         PR target/42542
28741         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
28742         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
28743         operands to make them signed.
28744
28745         Revert:
28746         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
28747
28748         PR target/42542
28749         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
28750         GTU to GT for V4SI and V2DI.
28751
28752         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
28753         (umin<mode>3): Removed.
28754         (uminv8hi3): New.
28755         (uminv4si3): Likewise.
28756
28757 2010-01-05  Martin Jambor  <mjambor@suse.cz>
28758
28759         PR tree-optimization/42462
28760         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
28761         current_function_decl to helper functions and macros.
28762
28763 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
28764
28765         PR bootstrap/41771
28766         * flags.h: Don't include real.h.
28767         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
28768         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
28769         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
28770         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
28771         * dominance.c: Update copyright.
28772         * gimple.c (walk_gimple_op): Remove inline.
28773         * tree-ssa-reassoc.c: Include real.h.
28774         * Makefile.in (FLAGS_H): Remove $(REAL_H).
28775         (tree-ssa-reassoc.o): Depend on $(REAL_H).
28776
28777 2010-01-05  Nick Clifton  <nickc@redhat.com>
28778
28779         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
28780         register to push into the stack frame when the accumulator has to
28781         be saved during interrupts.
28782
28783 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
28784
28785         * doc/invoke.texi: Remove the documentation about option
28786         -Wunreachable-code.
28787         * common.opt (Wunreachable-code):  Preserved for backward
28788         compatibility.
28789         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
28790         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
28791         the backward compatibility flag section.
28792
28793 2010-01-05  Richard Guenther  <rguenther@suse.de>
28794
28795         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
28796
28797 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
28798
28799         PR other/42611
28800         * cfgexpand.c (expand_one_var): Diagnose too large variables.
28801
28802         PR tree-optimization/42508
28803         * tree-sra.c (convert_callers): Check for recursive call
28804         by comparing cgraph nodes instead of decls.
28805         (modify_function): Call ipa_modify_formal_parameters also
28806         on all same_body aliases.
28807
28808         * cgraphunit.c (cgraph_materialize_all_clones): Compare
28809         cgraph nodes when checking for same_body aliases.
28810
28811 2010-01-05  Richard Guenther  <rguenther@suse.de>
28812
28813         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
28814         allocation and lookup.
28815         (get_or_alloc_expr_for_constant): Likewise.
28816         (phi_translate): Sink allocation.
28817
28818 2010-01-04  Richard Guenther  <rguenther@suse.de>
28819
28820         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
28821         a new entry only if needed.
28822         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
28823         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
28824         hashtable lookup.
28825         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
28826         the result array.
28827         (phi_translate): Handle CONSTANTs early.
28828
28829 2010-01-04  Martin Jambor  <mjambor@suse.cz>
28830
28831         PR tree-optimization/42398
28832         * tree-sra.c (struct access): Removed flag grp_different_types.
28833         (dump_access): Do not dump the removed flag.
28834         (sort_and_splice_var_accesses): Do not set the removed flag.
28835         (sra_modify_expr): Check for type compatibility directly.
28836
28837 2010-01-04  Martin Jambor  <mjambor@suse.cz>
28838
28839         PR tree-optimization/42366
28840         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
28841         edges with variable number of parameters.
28842         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
28843         flag instead of asserting it.
28844         (ipa_read_node_info): Read uses_analysis_done flag.
28845
28846 2010-01-04  Richard Guenther  <rguenther@suse.de>
28847
28848         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
28849         iterative_hash_* as intended.
28850         (vn_reference_compute_hash): Likewise.  Simplify hashing
28851         SSA names.
28852         (vn_reference_lookup_2): Likewise.
28853         (vn_nary_op_compute_hash): Likewise.
28854         (vn_phi_compute_hash): Likewise.
28855         (expressions_equal_p): Remove strange code.
28856         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
28857         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
28858         (bitmap_insert_into_set_1): Take value-id as parameter.
28859         (add_to_value): Pass it.
28860         (bitmap_insert_into_set): Likewise.
28861         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
28862
28863 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
28864
28865         PR driver/42442
28866         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
28867         (do_self_spec): For switches with SWITCH_IGNORE set set also
28868         SWITCH_IGNORE_PERMANENTLY.
28869         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
28870         of SWITCH_IGNORE.
28871
28872 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
28873
28874         * lto-streamer-out.c (output_unreferenced_globals): Output the full
28875         tree of an unreferenced global var.
28876
28877 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
28878
28879         PR target/42542
28880         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
28881         GTU to GT for V4SI and V2DI.
28882
28883         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
28884         (umin<mode>3): Removed.
28885         (uminv8hi3): New.
28886         (uminv4si3): Likewise.
28887
28888 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
28889
28890         PR lto/42581
28891         * collect2.c (main): Turn on trace in collect2 if -v is passed
28892         to gcc with LTO.
28893
28894 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
28895
28896         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
28897         description of expression operand.
28898
28899 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
28900
28901         * configure.ac: Add install-html to target_list for Make-hooks.
28902         * configure: Regenerate.
28903         * fortran/Make-lang.in (F95_HTMLFILES): New.
28904         (fortran.html): Use it.
28905         (fortran.install-html): New.
28906         * Makefile.in (install-html): Add lang.install-html.
28907         * java/Make-lang.in (JAVA_HTMLFILES): New.
28908         (java.html): Use it.
28909         (java.install-html): New.
28910         * objc/Make-lang.in (objc.install-html): New.
28911         * objcp/Make-lang.in (obj-c++.install-html): New.
28912         * cp/Make-lang.in (c++.install-html): New.
28913         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
28914         * lto/Make-lang.in (lto.install-html): New.
28915
28916 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
28917
28918         PR lto/42520
28919         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
28920
28921 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
28922
28923         PR rtl-optimization/41862
28924         * store-motion.c (store_killed_in_insn, compute_store_table,
28925         remove_reachable_equiv_notes, replace_store_insn,
28926         build_store_vectors): Ignore all DEBUG_INSNs.
28927
28928 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
28929
28930         PR lto/41564
28931         * common.opt: Add dumpdir.
28932
28933         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
28934         isn't specified.
28935         (option_map): Add --dumpdir.
28936
28937         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
28938
28939         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
28940
28941         * opts.c (decode_options): Try dump_dir_name first if
28942         dump_base_name isn't an absolute path.
28943         (common_handle_option): Handle OPT_dumpdir.
28944
28945         * toplev.c (dump_dir_name): New.
28946         (print_switch_values): Also ignore -dumpdir.
28947
28948         * toplev.h (dump_dir_name): New.
28949
28950 2010-01-03  Richard Guenther  <rguenther@suse.de>
28951
28952         PR tree-optimization/42589
28953         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
28954         double-word expansion of bswap32.
28955
28956 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
28957
28958         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
28959         with BLOCK_FOR_INSN.
28960         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
28961         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
28962         noce_process_if_block): Likewise.
28963         * gcse.c (compute_local_properties, insert_expr_in_table,
28964         insert_set_in_table, canon_list_insert, find_avail_set,
28965         pre_insert_copy_insn): Likewise.
28966
28967         * basic-block.h (BLOCK_NUM): Move from here...
28968         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
28969
28970 2010-01-03  Richard Guenther  <rguenther@suse.de>
28971
28972         PR tree-optimization/42438
28973         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
28974         contains_may_not_return_call flag.
28975         (BB_MAY_NOTRETURN): New.
28976         (valid_in_sets): Trapping nary operations are not valid
28977         in blocks that may not return.
28978         (insert_into_preds_of_block): Remove check for trapping expressions.
28979         (compute_avail): Compute also BB_MAY_NOTRETURN.
28980
28981 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
28982
28983         * doc/invoke.texi: Add 2010 to copyright years.
28984
28985 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
28986
28987         * config/sparc/sparc.c: Fix formatting nits.
28988
28989 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
28990             Alexander Monakov  <amonakov@ispras.ru>
28991
28992         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
28993
28994 2010-01-02  Richard Guenther  <rguenther@suse.de>
28995
28996         PR middle-end/42577
28997         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
28998         (simplify_switch_using_ranges): Mark to be removed edges
28999         as non-executable.
29000
29001 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
29002
29003         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
29004
29005         * collect2.c (scan_libraries): Add missing argument in call to
29006         scan_prog_file.
29007
29008 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
29009
29010         PR target/42448
29011         * config/alpha/predicates.md (aligned_memory_operand): Return false
29012         for CQImode.
29013         (unaligned_memory_operand): Return true for CQImode.
29014         * config/alpha/alpha.c (get_aligned_mem): Assert that location
29015         doesn not cross aligned SImode word boundary.
29016
29017 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
29018
29019         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
29020         Remove.
29021         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
29022         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
29023
29024 2010-01-02  Richard Guenther  <rguenther@suse.de>
29025
29026         PR lto/41597
29027         * toplev.c (compile_file): Emit LTO marker properly.  Change
29028         it to __gnu_lto_v1.
29029         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
29030
29031 2010-01-01  Richard Guenther  <rguenther@suse.de>
29032
29033         PR debug/42455
29034         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
29035
29036 2010-01-01  Richard Guenther  <rguenther@suse.de>
29037
29038         PR c/42570
29039         * c-decl.c (grokdeclarator): For zero-size arrays force
29040         structural equality checks as layout_type does.
29041
29042 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
29043
29044         * builtins.c: Update copyright to 2010.
29045
29046 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
29047
29048         PR lto/42531
29049         * lto-streamer-out.c (produce_asm): Revert the last change.
29050         (copy_function): Likewise.
29051
29052         * lto-streamer.c (lto_get_section_name): Skip any leading
29053         asterisk in name.
29054
29055 2010-01-01  Richard Guenther  <rguenther@suse.de>
29056
29057         PR middle-end/42559
29058         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
29059         for LABEL_DECLs.
29060
29061 \f
29062 Copyright (C) 2010 Free Software Foundation, Inc.
29063
29064 Copying and distribution of this file, with or without modification,
29065 are permitted in any medium without royalty provided the copyright
29066 notice and this notice are preserved.