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1 2010-05-29  Richard Guenther  <rguenther@suse.de>
2
3         * lto-streamer.c (cached_bp): New global variable.
4         (bitpack_create): Return the cached bitpack, if available.
5         (bitpack_delete): Clear and cache the bitpack, if appropriate.
6         (bp_pack_value): Remove redundant asserts.
7
8 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
9
10         PR middle-end/44306
11         * tree-if-conv.c (is_true_predicate): New.
12         (is_predicated): Use is_true_predicate.
13         (add_to_predicate_list): Same.  Do not use unshare_expr.
14         (add_to_dst_predicate_list): Same.
15
16 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
17
18         * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
19         field on edges.
20         (predicate_bbs): Same.
21         (clean_predicate_lists): Same.
22         (find_phi_replacement_condition): Do not AND the predicate from
23         edge->aux.
24
25 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
26
27         PR bootstrap/44315
28         * Makefile.in (build/gencondmd.o): Add a missing `\'.
29
30 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
31
32         PR target/44261
33         config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
34         (negdf2): Adjust expander pattern and use negdf2_slow.
35         (negsf2): Likewise.
36
37 2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
38
39         * basic-block.h (struct control_flow_graph): Move last_label_uid field up.
40         * df.h (struct df_base_ref): Move regno field up.
41         * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
42         * expr.h (struct separate_ops): Move location field up.
43         * optabs.h (struct optab_d): Move libcall_basename field down.
44         * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
45         * config/i386/i386.h (struct machine_function): Convert call_abi field
46         into a bitfield.  Move cfa field to the end of the structure.
47
48 2010-05-29  Jan Hubicka  <jh@suse.cz>
49
50         * varpool.c (varpool_get_node): Fix lookup.
51
52 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
53
54         * config/spu/spu-protos.h: Do not include rtl.h.  Protect
55         RTL specific prototypes with #ifdef RTX_CODE.
56         * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
57         * config/spu/t-spu-elf: Fix dependencies.
58
59         * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.
60
61 2010-05-29  Mike Stump  <mikestump@comcast.net>
62
63         PR bootstrap/44315
64         * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
65         TM_H when building to avoid dependency loops.
66
67 2010-05-29  Jan Hubicka  <jh@suse.cz>
68
69         * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
70         refs and body; not the whole node for masters of materialized
71         clones.
72
73 2010-05-29  Mike Stump  <mikestump@comcast.net>
74
75         * config/rs6000/rs6000-c.c: Remove c-tree.h include.
76
77 2010-05-29  Jan Hubicka  <jh@suse.cz>
78
79         * cgraph.c (clone_function_name): Take SUFFIX argument; export.
80         (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
81         use of clone_function_name.
82         * cgraph.h (cgraph_create_virtual_clone, 
83         cgraph_function_versioning): update prototypes.
84         (clone_function_name): Declare.
85         * ipa-cp.c (ipcp_insert_stage): Update call of
86         cgraph_create_virtual_clone.
87         * omp-low.c (create_omp_child_function_name): Use
88         cgraph_create_virtual_clone.
89         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
90         (cgraph_function_versioning): Take SUFFIX argument; produce new name
91         and make decl local.
92
93 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
94
95         * vec.h: Include statistics.h
96         * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
97         with VEC_H.
98
99 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
100
101         * c-lex.c: Do not include c-tree.h.
102         * c-pretty-print.c: Likewise.
103         * c-opts.c: Likewise.
104         * c-gimplify.c: Likewise.
105         * c-common.c: Likewise.
106         * c-dump.c: Likewise.  Include c-common.h.
107
108 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
109
110         * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
111         before including diagnostic-core.h.
112         (c_cpp_error): New prototype moved from c-tree.h.
113         Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
114         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
115         (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
116         (c_cpp_error): Prototype moved to c-common.h.
117         * Makefile.in: Update dependency for C_COMMON_H.
118
119 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
120
121         * c-common.h: Add FIXME for awkward split of c_register_addr_space.
122         * c-common.c (c_register_addr_space): Remove here.
123         * c-decl.c (c_register_addr_space): Re-add here.
124
125 2010-05-28  Mike Stump  <mikestump@comcast.net>
126
127         * config/darwin-c.c: Remove c-tree.h include.
128
129 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
130
131         * gcc.c: Include diagnostic.h.
132         (error_count): Remove.  All users changed to use errorcount.
133         (programname): Remove.  All users changed to use progname.
134         (fancy_abort, internal_error, fatal_error, error, warning, inform,
135         fnotice): Remove.
136         (execute): Don't include "Internal error" and bug reporting
137         information in argument of internal_error call.
138         (process_command): Don't increment error_count after calling
139         perror_with_name.
140         (input_filename): Rename to gcc_input_filename.  All users
141         changed.
142         (main): Call diagnostic_initialize.  Register delete_temp_files
143         with atexit.  Use seen_error to test for errors.
144         * gcc.h: Include diagnostic-core.h.
145         (fatal_error, error, warning): Remove.
146         * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
147         (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
148         (gcc.o): Update dependencies.
149
150 2010-05-28  Jeff Law  <law@redhat.com>
151
152         * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
153         functions.
154         * ira.h (ira_bad_reload_regno): Declare
155         * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.
156
157         * ira-color.c (update_curr_costs): Free updated hard reg costs.
158         (ira_reassign_conflict_allocnos): Remove bogus asserts.
159         (allocno_reload_assign): Likewise.
160
161 2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>
162
163         * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
164         build1_stat.
165
166 2010-05-28  Richard Guenther  <rguenther@suse.de>
167
168         PR lto/44312
169         * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
170         Stream fixed-point constants mode.
171         (unpack_ts_type_value_fields): Fix width of TYPE_MODE
172         and TYPE_PRECISION.
173         * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
174         Stream fixed-point constants mode.
175         (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
176         and TYPE_PRECISION.
177
178 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
179
180         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
181         only place it was called from.
182         (number_of_latch_executions): Do not return chrec_dont_know when the
183         may_be_zero is a runtime condition: instead, return a COND_EXPR
184         including the may_be_zero condition.
185         * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
186         of nb_iterations.
187         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
188         COND_EXPRs.
189
190 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
191
192         * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
193         generate COND_EXPRs for degenerate_phi_result.
194
195 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
196
197         PR middle-end/44293
198         * tree-if-conv.c (if_convertible_loop_p): Check the
199         if-convertibility of phi nodes in non predicated BBs.
200
201 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
202
203         * gcc.c (error, warning, inform): Remove duplicate ": " in output.
204
205 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
206
207         PR driver/15303
208         * gcc.c (inform, warning, inform): New functions.
209         (fatal_ice): Rename to internal_error; change cmsgid parameter to
210         gmsgid.  All callers changed.
211         (notice): Rename to fnotice; add parameter fp.  All callers
212         changed.
213         (fatal_error): Rename to fatal_signal.  All users changed.
214         (fatal): Rename to fatal_error; change cmsgid parameter to
215         gmsgid.  All callers changed.
216         (process_command): Use warning instead of error for warnings.
217         (end_going_arg): Don't use _() around argument of error.
218         (do_spec_1): Use inform for message from %n specs.  Use warning
219         instead of error for warnings.
220         (main): Use inform for comparison messages.  Use warning for
221         message about unused linker input.
222         (error): Increment error_count.  Print "error: ".
223         * gcc.h (fatal): Change to fatal_error.
224         (warning): Declare.
225         * config/darwin-driver.c (darwin_default_min_version): Use warning
226         instead of fprintf for warnings.
227         * cppspec.c (lang_specific_driver): Use fatal_error instead of
228         fatal.
229
230 2010-05-28  Julian Brown  <julian@codesourcery.com>
231
232         * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
233         (*thumb2_addsi3_compare0_scratch): New.
234         * config/arm/constraints.md (Pv): New.
235         * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
236         for ARM mode only.
237         (*addsi3_compare0_scratch): Likewise.
238
239 2010-05-28  Jan Hubicka  <jh@suse.cz>
240
241         * ipa-reference.c (add_static_var): Remove redundant all_module_statics
242         check.
243         (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
244         only on local statics.
245
246 2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
247
248         * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.
249
250 2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
251
252         PR bootstrap/44314
253         * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
254         (OPTION_GLIBC): Define.
255
256 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
257
258         PR debug/41048
259         * dwarf2out.c (double_int_type_size_in_bits): New function.
260         (round_up_to_align): Change first argument and return value to
261         double_int.
262         (field_byte_offset): Work internally on double_ints.
263
264         PR target/43636
265         * builtins.c (expand_movstr): Use a temporary pseudo instead
266         of target even when target is not NULL and not const0_rtx, but
267         fails movstr predicate.
268         * config/m32c/blkmov.md (movstr): Add predicate to first operand.
269
270 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
271
272         * final.c (rest_of_clean_state): Use %m in errors instead of
273         strerror (errno).
274         * gengtype.c (read_input_list, close_output_files): Use xstrerror
275         instead of strerror.
276         * toplev.c (process_options): Use %m in errors instead of strerror
277         (errno).
278         * tree-dump.c (dump_begin): Use %m in errors instead of strerror
279         (errno).
280
281 2010-05-28  Uros Bizjak  <ubizjak@gmail.com>
282
283         * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
284         (ix86_canonical_va_list_type): Make static.  Add declaration.
285         (ix86_enum_va_list): Make static.  Reindent.
286         * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
287         (ix86_canonical_va_list_type): Ditto.
288         (ix86_enum_va_list): Ditto.
289
290 2010-05-28  Richard Guenther  <rguenther@suse.de>
291
292         * lto-wrapper.c (run_gcc): With -save-temps generate a
293         user-visible ltrans filename.  Fixup ltrans unit numbering.
294
295 2010-05-28  Kai Tietz  <kai.tietz@onevision.com>
296
297         * c-common.c (c_common_nodes_and_builtins): Replace use
298         of TARGET_ENUM_VA_LIST by target hook enum_va_list.
299         * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
300         to ix86_enum_va_list.
301         * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
302         * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
303         (TARGET_ENUM_VA_LIST_P): Add hook description.
304         * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
305         * target.h (gcc_target): Add enum_va_list hook.
306
307         PR bootstrap/44299
308         * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
309         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
310         * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.
311
312 2010-05-28  Alan Modra  <amodra@gmail.com>
313
314         PR target/44266
315         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
316         emit_library_call machinery to set up __tls_get_addr calls.
317
318 2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
319
320         * config/s390/s390.md (movqi): Fix typo ('*' -> '#').
321
322 2010-05-28  Dodji Seketeli  <dodji@redhat.com>
323
324         Revert fix for PR c++/44188
325         * c-common.c (is_typedef_decl): Revert the moving of  this
326         definition ...
327         * tree.c (is_typedef_decl): ... here.
328         (typdef_variant_p): Revert the moving of this  definition
329         here from gcc/cp/tree.c.
330         * c-common.h (is_typedef_decl): Revert the moving of this
331         declaration ...
332         * tree.h (is_typedef_decl): ... here.
333         (typedef_variant_p): Revert the moving of this  declaration here
334         from gcc/cp/cp-tree.h
335         * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
336         (gen_tagged_type_die): Revert the splitting out of ...
337         (gen_type_die_with_usage): ... this function. Revert the anonymous
338         tagged type handling.
339         (gen_typedef_die): Revert emitting DW_TAG_typedef  for
340         typedefs naming anonymous tagged types.
341
342 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
343
344         * config/rs6000/rs6000-modes.def (PSImode): Delete.
345
346 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
347
348         * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
349         * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
350         throughout.
351         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
352         "xer" to "ca".
353         Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
354         XER_REGS to CA_REGS throughout.
355         * config/rs6000/rs6000.h: Same.
356         (ADDITIONAL_REGISTER_NAMES): Add "xer".
357         * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
358         that mode_iterator "P" is the size for arithmetic carries as well.
359         * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.
360
361 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
362
363         PR bootstrap/44255
364         * combine.c (struct rtx_subst_pair): Define unconditionally.
365         (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
366         copy_rtx pair->to instead of cleanup_auto_inc_dec it.
367         Call make_compound_operation on pair->to.
368         (propagate_for_debug): Don't call make_compound_operation here.
369         Always use simplify_replace_fn_rtx.
370
371 2010-05-27  Sterling Augustine  <sterling@tensilica.com>
372
373         * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
374         * config/xtensa/xtensa.c (override_options): Check
375           TARGET_FORCE_NO_PIC and set flag_pic.
376         * config/xtensa/xtensa.opt: Document -mforce-no-pic
377
378 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
379
380         PR bootstrap/44299
381         * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
382         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.
383
384 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
385
386         * diagnostic-core.h: New.  Contents moved from diagnostic.h and
387         toplev.h.
388         * diagnostic.c: Don't include toplev.h.
389         (progname): Define.  Moved from toplev.c.
390         (seen_error): New function.
391         * diagnostic.h: Include diagnostic-core.h.
392         (diagnostic_t, emit_diagnostic): Don't declare here.
393         * toplev.c (progname): Move to toplev.c.
394         (emit_debug_global_declarations, compile_file, finalize,
395         do_compile, toplev_main): Use seen_error.
396         * toplev.h: Include diagnostic-core.h.
397         (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
398         internal_error, warning, warning_at, error, error_n, error_at,
399         fatal_error, pedwarn, permerror, sorry, inform, inform_n,
400         verbatim, fnotice, progname): Move to diagnostic-core.h.
401         * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
402         (expand_builtin_expect): Use seen_error.
403         * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
404         (c_make_fname_decl, c_write_global_declarations): Use seen_error.
405         * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
406         * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
407         * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
408         * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
409         errorcount for errors.
410         * c-opts.c (c_common_finish): Use seen_error.
411         * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
412         * cgraphunit.c (verify_cgraph_node, verify_cgraph,
413         cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
414         * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
415         (get_coverage_counts): Use seen_error.
416         * dwarf2out.c (dwarf2out_finish): Use seen_error.
417         * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
418         gimplify_body): Use seen_error.
419         * ipa-inline.c (cgraph_early_inlining): Use seen_error.
420         * ipa-pure-const.c (gate_pure_const): Use seen_error.
421         * ipa-reference.c (gate_reference): Use seen_error.
422         * jump.c: Include diagnostic-core.h instead of diagnostic.h.
423         * lambda-code.c: Include diagnostic-core.h instead of
424         diagnostic.h.
425         * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
426         * lto-compress.c: Include diagnostic-core.h instead of
427         diagnostic.h.
428         * lto-section-in.c: Include diagnostic-core.h instead of
429         diagnostic.h.
430         * lto-streamer-out.c: Include diagnostic-core.h instead of
431         diagnostic.h.
432         * lto-streamer.c: Include diagnostic-core.h instead of
433         diagnostic.h.
434         (gate_lto_out): Use seen_error.
435         * matrix-reorg.c: Include diagnostic-core.h instead of
436         diagnostic.h.
437         * omega.c: Include diagnostic-core.h instead of diagnostic.h.
438         * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
439         (gate_expand_omp, lower_omp_1): Use seen_error.
440         * passes.c: Include diagnostic-core.h instead of diagnostic.h.
441         (rest_of_decl_compilation, rest_of_type_compilation,
442         gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
443         * tree-cfg.c (label_to_block_fn): Use seen_error.
444         * tree-inline.c (optimize_inline_calls): Use seen_error.
445         * tree-mudflap.c (mudflap_finish_file): Use
446         seen_error.
447         * tree-optimize.c (gate_all_optimizations,
448         gate_all_early_local_passes, gate_all_early_optimizations): Use
449         seen_error.
450         * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
451         * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
452         (varpool_remove_unreferenced_decls,
453         varpool_assemble_pending_decls): Use seen_error.
454         * Makefile.in (DIAGNOSTIC_CORE_H): Define.
455         (TOPLEV_H, DIAGNOSTIC_H): Update.
456         (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
457         lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
458         c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
459         builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
460         coverage.o, lambda-code.o): Update dependencies.
461
462 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
463
464         PR c++/44188
465         * c-common.c (is_typedef_decl): Move this definition ...
466         * tree.c (is_typedef_decl): ... here.
467         (typdef_variant_p): Move definition here from gcc/cp/tree.c.
468         * c-common.h (is_typedef_decl): Move this declaration ...
469         * tree.h (is_typedef_decl): ... here.
470         (typedef_variant_p): Move declaration here from gcc/cp/cp-tree.h
471         * dwarf2out.c (is_naming_typedef_decl): New function.
472         (gen_tagged_type_die): Split out of ...
473         (gen_type_die_with_usage): ... this function. When an anonymous
474         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
475         is emitted for the typedef.
476         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
477         anonymous tagged types.
478
479 2010-05-27  Jason Merrill  <jason@redhat.com>
480
481         * print-tree.c (debug_vec_tree): New fn.
482         (print_vec_tree): New fn.
483         * tree.h: Declare them.
484         * gdbinit.in (pvt): New command.
485
486         * print-tree.c (print_node) [TREE_VEC]: Print elements normally.
487
488         * gdbinit.in (pdd): New command.
489
490 2010-05-27  Jan Hubicka  <jh@suse.cz>
491
492         * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
493         (update_caller_keys): Return early if there are no callers;
494         only update fibheap when decresing the key.
495         (update_callee_keys): Avoid recursion.
496         (decide_inlining_of_small_functions): When badness does not match;
497         re-insert into fibheap.
498
499 2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>
500
501         * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
502         (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
503         (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
504         (ALL_HOST_OBJS): Now a union of the above two.
505         <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
506         all files in ALL_HOST_FRONTEND_OBJS.
507         * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
508
509         * c-common.c: Pretend to be a backend file by undefining
510         IN_GCC_FRONTEND (still need rtl.h here).
511
512 2010-05-27  Jan Hubicka  <jh@suse.cz>
513
514         * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
515         * cgraphunit.c (clone_of_p): Compile only when checking is enabled.
516
517 2010-05-27  Jan Hubicka  <jh@suse.cz>
518
519         * sched-ebb.c: Rename struct deps to struct deps_desc.
520         * ddg.c: Likewise.
521         * sel-sched-ir.c: Likewise.
522         * sched-deps.c: Likewise.
523         * sched-int.h: Likewise.
524         * sched-rgn.c: Likewise.
525
526 2010-05-27  Jon Beniston <jon@beniston.com>
527
528         PR 43726
529         * config/lm32/lm32.h: Remove definition of 
530         GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.
531
532 2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>
533
534         PR lto/44230
535         * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.
536
537 2010-05-27  Richard Guenther  <rguenther@suse.de>
538
539         PR tree-optimization/44284
540         * tree-vect-stmts.c (vectorizable_assignment): Handle
541         sign-changing conversions as simple copy.
542
543 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
544
545         * gthr-posix.h (pthread_cancel): Don't declare if compiling against
546         Bionic C library.
547         (__gthread_active_p): Check for pthread_create if compiling against
548         Bionic C library.
549
550 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
551
552         Support compilation for Android platform.  Reimplement -mandroid.
553
554         * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
555         (*android*): Set ANDROID_DEFAULT.
556         (arm*-*-linux*): Include linux-android.h.
557         (arm*-*-eabi*): Don't include previous -mandroid implementation.
558         * config/arm/eabi.h: Remove, move Android-specific parts ...
559         * config/linux-android.h: ... here.  New file.
560         * config/arm/eabi.opt: Rename to ...
561         * config/linux-android.opt: ... this.
562         (mandroid): Allow -mno-android option.  Initialize based on
563         ANDROID_DEFAULT.
564         * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
565         Move logic to corresponding LINUX_TARGET_* macros.
566         (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
567         * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
568         (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
569         Android definitions.
570         (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
571         * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
572         Document.
573
574 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
575
576         Add support for Bionic C library
577
578         * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
579         macro.
580         (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
581         (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
582
583         * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
584         (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
585         (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
586         to support multiple C libraries.  Handle Bionic.
587         (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
588         (BIONIC_DYNAMIC_LINKER64): Define.
589         (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
590         Update.
591         (TARGET_HAS_SINCOS): Enable for Bionic.
592
593         * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
594         the last option specified on command line take effect.
595         (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
596         (mbionic): New.
597         (mglibc, muclibc): Update.
598
599         * config/alpha/linux-elf.h, config/rs6000/linux64.h,
600         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
601         DEFAULT_LIBC.
602
603         * doc/invoke.texi (-mglibc, -muclibc): Update.
604         (-mbionic): Document.
605
606 2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
607
608         * c-common.h (c_register_addr_space): Add prototype.
609         (ADDR_SPACE_KEYWORD): Remove.
610         * c-common.c (c_register_addr_space): New function.
611         (c_addr_space_name): Reimplement.
612         (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.
613
614         * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
615         (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.
616
617         * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
618         Remove TARGET_ADDR_SPACE_KEYWORDS.
619
620 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
621
622         * input.c: New file.
623         * input.h (main_input_filename): Move declaration to toplev.h.
624         * toplev.c (input_location, line_table): Move to input.c
625         * toplev.h (main_input_filename): Move declaration from input.h.
626         * tree.c (expand_location): Move to input.c.
627         * Makefile.in (OBJS-common): Add input.o.
628         (input.o): Add dependencies.
629
630 2010-05-27  Richard Guenther  <rguenther@suse.de>
631
632         * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
633         for non-existant files.
634         (fork_execute): Mark args_name file as deleted.
635
636 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
637
638         PR bootstrp/44287
639         * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
640         (narrow_signed_type): Likewise.
641
642 2010-05-26  Jan Hubicka  <jh@suse.cz>
643
644         * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
645         edge only when checking is enabled; check using former_clone_of;
646         check inline clones too.
647         (cgraph_materialize_clone): Record former_clone_of pointer.
648         (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
649         combining redirections; dump args_to_skip bitmap
650         (cgraph_materialize_all_clones): Do no redirection here.
651         * ipa-inline.c (inline_transform): Do redirection here.
652         * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
653         cheking only).
654
655 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
656
657         * config/avr/avr-c.c: Do not include regs.h.
658         Include cpplib.h for cpp_define and tree.h for c-common.h.
659         * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
660         * config/avr/t-avr: Fix dependencies for avr-c.o.
661
662 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
663
664         * explow.c (set_stack_check_libfunc): Adjust to accept name as a
665         string instead of SYMBOL_REF rtx.
666         * rtl.h (set_stack_check_libfunc): Move prototype from here...
667         * libfuncs.h: ...to here.  Adjust for explow.c change.
668
669 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
670
671         * pretty-print.c: Don't include ggc.h.
672         (identifier_to_locale_alloc, identifier_to_locale_free): Define.
673         (identifier_to_locale): Use them for allocation.
674         * pretty-print.h (identifier_to_locale_alloc,
675         identifier_to_locale_free): Declare.
676         * toplev.c (alloc_for_identifier_to_locale): New.
677         (general_init): Set identifier_to_locale_alloc and
678         identifier_to_locale_free.
679         * Makefile.in (pretty-print.o): Update dependencies.
680
681 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
682
683         * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
684         pointer types if they have different alignment or mode.
685
686 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
687
688         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
689         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
690         * config/sparc/sparc-protos.h (function_value): Remove declaration.
691         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
692         sparc_function_value_regno_p): New functions.
693         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
694         TARGET_FUNCTION_VALUE_REGNO_P): Define.
695         (function_value): Rename to...
696         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
697         argument to 'outgoing'.
698         (function_arg_record_value, function_arg_union_value,
699         function_arg_vector_value): Update comment.
700
701 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
702
703         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
704         (fde_needed_for_eh_p): New predicate.
705         (output_call_frame_info): Use it throughout to decide whether FDEs
706         are needed for EH purpose.
707         (dwarf2out_begin_prologue): Reorder assignments.
708
709 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
710
711         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
712         special case loop->header.
713         (is_predicated): New.
714         (if_convertible_loop_p): Call it.
715
716 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
717
718         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
719         iterator in parameter.  Do not generate code during the analysis.
720         (tree_if_convert_cond_stmt): Removed.
721         (tree_if_convert_stmt): Removed.
722         (predicate_bbs): New.
723         (if_convertible_loop_p): Call predicate_bbs.
724         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
725         now contains all the analysis part.
726
727 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
728
729         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
730         statements in the analysis part.
731         (tree_if_convert_stmt): Update comment.
732         (remove_conditions_and_labels): New.
733         (combine_blocks): Call remove_conditions_and_labels.
734         (tree_if_conversion): Update comment.
735
736 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
737
738         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
739         than 2 predecessors or more than 2 successors.
740
741 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
742
743         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
744         of loops in which the data dependence analysis fails.
745
746 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
747
748         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
749         CDI_POST_DOMINATORS.
750         (tree_if_conversion): Same.
751
752 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
753
754         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
755
756 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
757
758         * tree-if-conv.c: Update copyright years.  Fix comments.
759         Fix indentation.
760
761 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
762
763         * builtin-types.def (BT_INT128): New primitive type.
764         (BT_UINT128): Likewise.
765         * c-common.c (c_common_r): Add __int128 keyword.
766         (c_common_type_for_size): Handle __int128.
767         (c_common_type_for_mode): Likewise.
768         (c_common_signed_or_unsigned_type): Likewise.
769         (c_common_nodes_and_builtins): Add builtin type
770         if target supports 128-bit integer scalar.
771         * c-common.h (enum rid): Add RID_INT128.
772         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
773         if target supports 128-bit integer scalar.
774         * c-decl.c (declspecs_add_type): Handle new keyword __int128.
775         (finish_declspecs): Likewise.
776         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
777         (c_token_starts_declspecs): Likewise.
778         (c_parser_declspecs): Likewise.
779         (c_parser_attributes): Likewise.
780         (c_parser_objc_selector): Likewise.
781         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
782         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
783         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
784         * tree.c (make_or_reuse_type): Likewise.
785         (make_unsigned_type): Likewise.
786         (build_common_tree_nodes_2): Likewise.
787         * tree.h (enum integer_type_kind): Add itk_int128 and
788         itk_unsigned_int128.
789         (int128_integer_type_node): New define.
790         (int128_unsigned_type_node): New define.
791         * doc/extend.texi: Add documentation about __int128 type.
792
793 2010-05-26  Richard Guenther  <rguenther@suse.de>
794
795         * tree-ssa-sccvn.c (copy_nary): Adjust.
796         (copy_phis): Rename to ...
797         (copy_phi): ... this.  Adjust.
798         (copy_references): Rename to ...
799         (copy_reference): ... this.  Adjust.
800         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
801         result into the valid table.
802
803 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
804
805         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
806         insn-config.h, insn-codes.h, recog.h, and optabs.h.
807
808 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
809
810         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.
811
812 2010-05-26  Richard Guenther  <rguenther@suse.de>
813
814         * opts.c (common_handle_option): Handle OPT_Ofast.
815
816 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
817
818         * diagnostic.c: Don't include opts.h.
819         (permissive_error_option): Define.
820         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
821         for classify_diagnostic.  Don't use memset for
822         classify_diagnostic.  Initialize new and recently added fields.
823         (diagnostic_classify_diagnostic): Use context->n_opts instead of
824         N_OPTS.
825         (diagnostic_report_diagnostic): Pass context parameter to
826         diagnostic_report_warnings_p.  Use option_enabled and option_name
827         hooks from context.
828         (emit_diagnostic): Use permissive_error_option.
829         (permerror): Likewise.
830         * diagnostic.h: Don't include options.h.
831         (struct diagnostic_context): Add n_opts, opt_permissive,
832         inhibit_warnings, warn_system_headers, option_enabled and
833         option_name fields.  Change classify_diagnostic to a pointer.
834         * opts-diagnostic.h: New file.
835         * opts.c: Include opts-diagnostic.h.
836         (common_handle_option): Set global_dc fields for -Wfatal-errors,
837         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
838         (option_name): New function.
839         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
840         (c_common_handle_option): Set global_dc->permissive for
841         -fpermissive.
842         * c-common.c (c_cpp_error): Save and restore
843         global_dc->warn_system_headers, not variable warn_system_headers.
844         * toplev.c: Include opts-diagnostic.h.
845         (general_init): Update call to diagnostic_initialize.  Set
846         global_dc->show_column, global_dc->option_enabled and
847         global_dc->option_name.
848         (process_options): Don't set global_dc fields here.
849         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
850         (diagnostic.o, opts.o, toplev.o): Update dependencies.
851
852 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
853
854         * config/picochip/picochip.md (movsi): Split a movsi from a
855         const after reload.
856
857 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
858
859         * ggc-zone.c: Update copyright year.
860         (poison_region): Mark memory for Valgrind as undefined before
861         memset () call and inaccessible afterwards.
862         (ggc_pch_total_size): Change type of i to int.
863
864 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
865
866         * ggc-common.c (ggc_free_overhead): Allow empty slot.
867
868 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
869
870         * ggc-common.c: Update copyright year.
871         (ggc_rlimit_bound): Remove prototype.  Compile only if
872         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
873         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
874         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
875         (ggc_min_heapsize_heuristic): Likewise.
876
877 2010-05-26  Richard Guenther  <rguenther@suse.de>
878
879         PR rtl-optimization/44164
880         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
881         no-common access-path disambiguation.
882         (indirect_ref_may_alias_decl_p): Adjust.
883         (indirect_refs_may_alias_p): Likewise.
884         (refs_may_alias_p_1): Likewise.
885
886 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
887
888         * c-typeck.c: Do not include expr.h.
889
890 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
891
892         * rtl.h (decl_default_tls_model): Move prototype from here...
893         * output.h: ...to here.
894         * c-decl.c: Do not include rtl.h.
895         * c-pragma.c: Likewise.
896         * c-parser.c: Likewise.
897         * c-gimplify.c: Likewise.  And also not hard-reg-set.
898         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
899         FIXME note for it.  Add a FIXME note for expr.h.
900         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
901         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
902         defined.
903
904 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
905
906         PR target/44199
907         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
908         or total_size is larger than red zone size for non-V4 ABI, emit a
909         stack_tie resp. frame_tie insn before stack pointer restore.
910         * config/rs6000/rs6000.md (frame_tie): New insn.
911
912 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
913
914         * function.h (struct function): Add can_throw_non_call_exceptions bit.
915         * lto-streamer-in.c (input_function): Stream it in.
916         * lto-streamer-out.c (output_function): Stream it out.
917         * function.c (allocate_struct_function): Set it.
918         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
919         for flag_non_call_exceptions.
920         * cfgbuild.c (control_flow_insn_p): Likewise.
921         (make_edges): Likewise.
922         * cfgexpand.c (expand_stack_alignment): Likewise.
923         * combine.c (distribute_notes): Likewise.
924         * cse.c (cse_extended_basic_block): Likewise.
925         * except.c (insn_could_throw_p): Likewise.
926         * gcse.c (simple_mem): Likewise.
927         * ipa-pure-const.c (check_call): Likewise.
928         (check_stmt ): Likewise.
929         * lower-subreg.c (lower-subreg.c): Likewise.
930         * optabs.c (emit_libcall_block): Likewise.
931         (prepare_cmp_insn): Likewise.
932         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
933         * postreload.c (rest_of_handle_postreload): Likewise.
934         * reload1.c (reload_as_needed): Likewise.
935         (emit_input_reload_insns): Likewise.
936         (emit_output_reload_insns): Likewise.
937         (fixup_abnormal_edges): Likewise.
938         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
939         * store-motion.c (find_moveable_store): Likewise.
940         * tree-eh.c (stmt_could_throw_p): Likewise.
941         (tree_could_throw_p): Likewise.
942         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
943         * config/arm/arm.c (arm_expand_prologue): Likewise.
944         (thumb1_expand_prologue): Likewise.
945         * config/rx/rx.md (cbranchsf4): Likewise.
946         (cmpsf): Likewise.
947         * config/s390/s390.c (s390_emit_prologue): Likewise.
948         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
949         (inline_forbidden_into_p): New predicate.
950         (expand_call_inline): Use it to forbid inlining.
951         (tree_can_inline_p): Likewise.
952
953 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
954
955         * config/i386/i386-c.c: Do not include rtl.h.
956         * config/i386/t-i386: Update dependencies.
957
958 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
959
960         * attribs.c: Do not include rtl.h.
961         * Makefile.in: Update dependencies.
962
963 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
964
965         * double-int.h (double_int_and): New.
966         * combine.c (try_combine): Clean up, use double_int_* and
967         immed_double_int_const functions.
968
969 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
970
971         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
972         stderr to /dev/null instead of grep -q.
973         * configure: Regenerate.
974
975 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
976
977         * Makefile.in (EXCEPT_H): Fix typo.
978
979 2010-05-25  Vladimir Makarov <vmakarov@redhat.com>
980
981         * ira-build.c (update_conflict_hard_reg_costs): New.
982         (ira_build): Call update_conflict_hard_reg_costs.
983
984 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
985
986         PR debug/41371
987         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
988         ENABLE_CHECKING.
989         (intersect_loc_chains): Walk the s2var's loc_chain together
990         with s1node chain as long as the locations are equal, don't
991         call find_loc_in_1pdv in that case.
992
993         PR debug/42801
994         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
995         (copy_bind_expr): ... instead of here.
996         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
997         if the block hasn't been remapped.
998         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
999         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
1000
1001 2010-05-25  Richard Guenther  <rguenther@suse.de>
1002
1003         PR middle-end/44069
1004         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
1005         out-of-bounds array accesses.
1006
1007 2010-05-25  Richard Guenther  <rguenther@suse.de>
1008
1009         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
1010         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
1011         (run_gcc): Re-organize to make cleanup easier.
1012
1013 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1014
1015         * config/s390/s390.c (optimization_options): Fix and move the
1016         flag_prefetch_loop_arrays override ...
1017         (override_options): ... here.
1018
1019 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
1020
1021         * diagnostic.c: Don't include plugin.h.
1022         (diagnostic_report_diagnostic): Don't handle plugins specially
1023         here.  Pass context to internal_error callback.
1024         * diagnostic.h (struct diagnostic_context): Add context parameter
1025         to internal_error callback.
1026         * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
1027         * plugin.h (struct diagnostic_context): Declare.
1028         (warn_if_plugins, plugins_internal_error_function): Declare.
1029         * toplev.c (general_init): Set global_dc->internal_error.
1030         * Makefile.in (diagnostic.o): Update dependencies.
1031
1032 2010-05-25 Iain Sandoe  <iains@gcc.gnu.org>
1033
1034         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
1035         * config/rs6000/t-darwin64: New.
1036         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
1037         build crt2.
1038
1039 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
1040
1041         PR 44203
1042         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
1043         match the original (and intended) behaviour before r159557.  This
1044         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
1045         in two ways.
1046
1047 2010-05-25  Richard Guenther  <rguenther@suse.de>
1048
1049         * doc/invoke.texi: Document -Ofast.
1050         * target.h (struct gcc_target): Add handle_ofast.
1051         * target-def.h (TARGET_HANDLE_OFAST): Add.
1052         (TARGET_INITIALIZER): Adjust.
1053         * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
1054         * common.opt (Ofast): Add.
1055
1056 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
1057
1058         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
1059         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
1060
1061 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
1062
1063         PR target/43610
1064         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
1065         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
1066         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
1067         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
1068
1069 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
1070
1071         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
1072         DW_OP_minus with negated offset instead of DW_OP_plus.
1073         (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.
1074
1075 2010-05-25  Wei Guozhi  <carrot@google.com>
1076
1077         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
1078         tst instruction and a new alternative.
1079         * config/arm/constraints.md (Pu): New constraint.
1080
1081 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
1082
1083         * function.c (assign_stack_local_1): Initialize variable
1084         to avoid warning when bootstrapping at -O3.
1085
1086 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
1087
1088         * configure.ac (all_lang_makefiles): Remove everything related to it.
1089         * configure: Regenerate.
1090         * Makefile.in: Fix reference to ada Make-lang.in.
1091         Remove support for LANG_MAKEFILES.
1092
1093 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
1094             Sandra Loosemore  <sandra@codesourcery.com>
1095
1096         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
1097         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
1098         description.  Add arm_neon_fp16_ok.
1099         (Add Options): Add arm_neon and arm_neon_fp16.
1100
1101 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
1102
1103         * diagnostic.c: Don't include flags.h.
1104         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
1105         context parameters.  Check flags in the context passed as a parameter.
1106         (diagnostic_build_prefix): Add context parameter.  Check
1107         show_column flag in context.
1108         (diagnostic_action_after_output): Check fatal_errors flag in context.
1109         (diagnostic_report_current_module): Check show_column flag in context.
1110         (default_diagnostic_starter): Update call to
1111         diagnostic_build_prefix.
1112         (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
1113         (emit_diagnostic): Pass context to permissive_error_kind.
1114         (permerror): Pass context to permissive_error_kind.
1115         * diagnostic.h (struct diagnostic_context): Add show_column,
1116         pedantic_errors, permissive and fatal_errors fields.
1117         (diagnostic_build_prefix): Update prototype.
1118         * langhooks.c
1119         * toplev.c (process_options): Set flags in global_dc from
1120         flag_show_column, flag_pedantic_errors, flag_permissive,
1121         flag_fatal_errors.
1122         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
1123         to diagnostic_build_prefix.
1124         * Makefile.in (diagnostic.o): Update dependencies.
1125
1126 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
1127
1128         * config/i386/ia32intrin.h (__crc32q): Define only if
1129         __SSE4_2__ is defined.
1130
1131 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
1132
1133         PR target/44132
1134         PR middle-end/43602
1135         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
1136         DECL_VISIBILITY_SPECIFIED.
1137         (emutls_decl): Set DECL_PRESERVE_P and copy
1138         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
1139         (emutls_finalize_control_var): New callback.
1140         (emutls_finish): Finalize emutls control variables.
1141         * toplev.c (compile_file): Move the call to emutls_finish ()
1142         before varpool_assemble_pending_decls ().
1143
1144 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
1145
1146         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
1147         added to the preprocessor condition.
1148
1149 2010-05-24  Paul Brook  <paul@codesourcery.com>
1150
1151         * gengtype-lex.l: Add HARD_REG_SET.
1152         * expr.c (expand_expr_real_1): Record writes to hard registers.
1153         * function.c (rtl_data): Add asm_clobbers.
1154         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
1155         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
1156         Use crtl->asm_clobbers.
1157
1158 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1159
1160         * doc/makefile.texi (Makefile): Mention stages 'profile'
1161         and 'feedback' for profiledbootstrap.
1162
1163 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
1164
1165         PR target/44245
1166         * config/i386/i386.c (def_builtin): Properly check
1167         OPTION_MASK_ISA_64BIT.
1168
1169 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
1170
1171         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
1172         typedefs with different but compatible types.  Allow duplicate
1173         typedefs with the same type except for pedantic non-C1X, but give
1174         warning for variably modified types.
1175         * c-typeck.c (tagged_types_tu_compatible_p,
1176         function_types_compatible_p, type_lists_compatible_p,
1177         comptypes_internal): Add parameter different_types_p; set
1178         *different_types_p for different but compatible types.  All
1179         callers changed.
1180         (comptypes_check_different_types): New.
1181         * c-tree.h (comptypes_check_different_types): Declare.
1182
1183 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
1184
1185         * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
1186         * jump.c: Include basic-block.h.
1187         * profile.c: Likewise.
1188         * tree-profile.c: Likewise.
1189         * coverage.c: Likewise.
1190         * basic-block.h (optimize_function_for_size_p): Move to function.h.
1191         (optimize_function_for_speed_p): Likewise.
1192         * function.h (optimize_function_for_size_p,
1193         optimize_function_for_speed_p): Moved here from basic-block.h.
1194         * Makefile.in: Update dependencies.
1195
1196 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1197
1198         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
1199         before calling make; allow override through $MAKE.
1200         * doc/invoke.texi (Optimize Options): Document override.
1201
1202 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
1203
1204         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
1205         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1206         (rs6000_mode_dependent_address_ptr): Make static.
1207         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1208         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
1209         Remove.
1210
1211 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
1212
1213         PR target/43869
1214         * config/i386/i386.c: Make sure that the correct regparm is passed.
1215
1216 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
1217
1218         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
1219         * sbitmap.c: ...to here to internalize sbitmap element access.
1220         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
1221         Explain why basic-block.h is included.
1222         * function.h: Include tm.h for CUMULATIVE_ARGS.
1223         * Makefile.in: Update dependencies.
1224
1225 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
1226
1227         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
1228         New core types.
1229         * sbitmap.h (struct sbitmap_def): Do not typedef here.
1230         * sbitmap.c: Include sbitmap.h.
1231         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
1232         hard-reg-set.h.  Split everything related to regsets out from here...
1233         * regset.h: ...to here.  New file.
1234         * df.h: Include regset.h and sbitmap.h.
1235         * tree-flow.h: Likewise.
1236         * cfgloop.h: Likewise.
1237         * except.h: Do not include sbitmap.h.  Include hashtab.h.
1238         * cgraph.h: Include vec.h and function.h.
1239         * reload.h (struct insn_chain): Change types of live_throughout
1240         and dead_or_set from regset_head to bitmap_head.
1241         (compute_use_by_pseudos): Be defined also if regset.h is not included.
1242         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
1243         spilled_regs from regset_head to bitmap_head to avoid dependency
1244         in regset.h.
1245         * sel-sched-ir.h: Include regset.h.
1246         * reload.c: Include df.h before reload.h.
1247         * caller-save.c: Likewise.
1248         * reload1.c: Likewise.
1249         * ira.c: Likewise.
1250         (mark_elimination): Update type of r to bitmap, consistent with
1251         DF_LR_IN.
1252         * dominance.c: Include bitmap.h.
1253         * modulo-sched.c: Include df.h.
1254         * cfganal.c: Include bitmap.h and sbitmap.h.
1255         * cfgbuild.c: Include sbitmap.h.
1256         * lcm.c: Include sbitmap.h.
1257         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
1258         * domwalk.c: Include sbitmap.h, exclude ggc.h.
1259         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
1260         * cselib.c: Include bitmap.h.
1261         * tree-optimize.c: Include regset.h.
1262         * stmt.c: Include bitmap.h.
1263         * Makefile.in: Update dependencies.
1264
1265 2010-05-22  Jan Hubicka  <jh@suse.cz>
1266
1267         * cgraph.h (struct varpool_node): Add same_comdat_group.
1268         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
1269         pointer.
1270         (output_varpool): Update call of lto_output_varpool_node.
1271         (input_varpool): Read same_comdat_group pointer.
1272         (input_varpool_1): Fixup same_comdat_group pointer.
1273         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
1274         group is needed, all are.
1275         * varpool.c (varpool_remove_node): Remove node from same comdat group
1276         linklist too.
1277         (varpool_analyze_pending_decls): Walk same comdat groups.
1278
1279 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
1280
1281         * rtl.h (union rtunion_def): Remove rt_bit member.
1282         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
1283         * print-rtl (print_rtx): Do not print the member.
1284         * gengtype.c (adjust_field_rtx_def): Do not handle it.
1285         * gengenrtl.c (type_from_format): Likewise.
1286         (accessor_from_format): Likewise.
1287
1288 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
1289
1290         * dbgcnt.c: Include toplev.h instead of errors.h.
1291         * ira-emit.c: Don't include errors.h.
1292         * ira.c: Include toplev.h instead of errors.h.
1293         * lto-compress.c: Include toplev.h instead of errors.h.
1294         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
1295         ira.o, dbgcnt.o): Update dependencies.
1296
1297 2010-05-22  Richard Guenther  <rguenther@suse.de>
1298
1299         * gimple.c (gimple_types_compatible_p): Check type qualifications
1300         before merging pointer to complete and pointer to incomplete type.
1301         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
1302         we use our own resolution algorithm.  The gold linker plugin
1303         doesn't do the job we want it to do here.
1304
1305 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
1306
1307         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1308         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1309         (sparc_mode_dependent_address_p): New function.
1310
1311 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
1312
1313         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
1314
1315         * timevar.c: Do not include any core headers.
1316         (timevar_print): De-i18n-ize.
1317         (print_time): Likewise.
1318         * timevar.h (timevar_push, timevar_pop): Make inline functions.
1319
1320 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
1321
1322         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
1323         langhooks-def.h.
1324         (diagnostic_initialize): Initialize x_data not last_function.
1325         (diagnostic_report_current_function): Move to tree-diagnostic.c.
1326         (default_diagnostic_starter): Call
1327         diagnostic_report_current_module not
1328         diagnostic_report_current_function.
1329         (diagnostic_report_diagnostic): Initialize x_data not
1330         abstract_origin.
1331         (verbatim): Likewise.
1332         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
1333         x_data.
1334         (struct diagnostic_context): Change last_function to x_data.
1335         (diagnostic_auxiliary_data): Replace with
1336         diagnostic_context_auxiliary_data and
1337         diagnostic_info_auxiliary_data.
1338         (diagnostic_last_function_changed, diagnostic_set_last_function,
1339         diagnostic_report_current_function): Move to tree-diagnostic.h.
1340         (print_declaration, dump_generic_node, print_generic_stmt,
1341         print_generic_stmt_indented, print_generic_expr,
1342         print_generic_decl, debug_c_tree, dump_omp_clauses,
1343         print_call_name, debug_generic_expr, debug_generic_stmt,
1344         debug_tree_chain, default_tree_printer): Move to
1345         tree-pretty-print.h.
1346         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
1347         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
1348         gimple-pretty-print.h.
1349         * pretty-print.c: Don't include tree.h
1350         (pp_base_format): Don't handle %K here.
1351         (pp_base_tree_identifier): Move to tree-pretty-print.c.
1352         * pretty-print.h (text_info): Change abstract_origin to x_data.
1353         (pp_tree_identifier, pp_unsupported_tree,
1354         pp_base_tree_identifier): Move to tree-pretty-print.h.
1355         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
1356         tree-pretty-print.h: New files.
1357         * tree-pretty-print.c: Include tree-pretty-print.h.
1358         (percent_K_format): New.  Moved from pretty-print.c.
1359         (pp_base_tree_identifier): Move from pretty-print.c.
1360         * c-objc-common.c: Include tree-pretty-print.h.
1361         (c_tree_printer): Handle %K here.
1362         * langhooks.c: Include tree-diagnostic.h.
1363         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
1364         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
1365         (default_tree_printer): Handle %K using percent_K_format.
1366         (general_init): Use default_tree_diagnostic_starter.
1367         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
1368         (free_lang_data): Use default_tree_diagnostic_starter.
1369         * c-pretty-print.c: Include tree-pretty-print.h.
1370         * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
1371         * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
1372         * dwarf2out.c: Include tree-pretty-print.h.
1373         * except.c: Include tree-pretty-print.h.
1374         * gimple-pretty-print.c: Include tree-pretty-print.h and
1375         gimple-pretty-print.h.
1376         * gimplify.c: Include tree-pretty-print.h.
1377         * graphite-poly.c: Include tree-pretty-print.h and
1378         gimple-pretty-print.h.
1379         * ipa-cp.c: Include tree-pretty-print.h.
1380         * ipa-inline.c: Include gimple-pretty-print.h.
1381         * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
1382         * ipa-pure-const.c: Include gimple-pretty-print.h.
1383         * ipa-struct-reorg.c: Include tree-pretty-print.h and
1384         gimple-pretty-print.h.
1385         * ipa-type-escape.c: Include tree-pretty-print.h.
1386         * print-rtl.c: Include tree-pretty-print.h.
1387         * print-tree.c: Include gimple-pretty-print.h.
1388         * sese.c: Include tree-pretty-print.h.
1389         * tree-affine.c: Include tree-pretty-print.h.
1390         * tree-browser.c: Include tree-pretty-print.h.
1391         * tree-call-cdce.c: Include gimple-pretty-print.h.
1392         * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
1393         * tree-chrec.c: Include tree-pretty-print.h.
1394         * tree-data-ref.c: Include tree-pretty-print.h and
1395         gimple-pretty-print.h.
1396         * tree-dfa.c: Include tree-pretty-print.h.
1397         * tree-if-conv.c: Include tree-pretty-print.h and
1398         gimple-pretty-print.h.
1399         * tree-inline.c: Include tree-pretty-print.h.
1400         * tree-into-ssa.c: Include tree-pretty-print.h and
1401         gimple-pretty-print.h.
1402         * tree-nrv.c: Include tree-pretty-print.h.
1403         * tree-object-size.c: Include tree-pretty-print.h and
1404         gimple-pretty-print.h.
1405         * tree-outof-ssa.c: Include tree-pretty-print.h and
1406         gimple-pretty-print.h.
1407         * tree-parloops.c: Include tree-pretty-print.h and
1408         gimple-pretty-print.h.
1409         * tree-predcom.c: Include tree-pretty-print.h and
1410         gimple-pretty-print.h.
1411         * tree-scalar-evolution.c: Include tree-pretty-print.h and
1412         gimple-pretty-print.h.
1413         * tree-sra.c: Include tree-pretty-print.h.
1414         * tree-ssa-address.c: Include tree-pretty-print.h.
1415         * tree-ssa-alias.c: Include tree-pretty-print.h.
1416         * tree-ssa-ccp.c: Include tree-pretty-print.h and
1417         gimple-pretty-print.h.
1418         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
1419         * tree-ssa-copy.c: Include tree-pretty-print.h and
1420         gimple-pretty-print.h.
1421         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
1422         * tree-ssa-dce.c: Include tree-pretty-print.h and
1423         gimple-pretty-print.h.
1424         * tree-ssa-dom.c: Include tree-pretty-print.h and
1425         gimple-pretty-print.h.
1426         * tree-ssa-dse.c: Include gimple-pretty-print.h.
1427         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
1428         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
1429         * tree-ssa-live.c: Include tree-pretty-print.h and
1430         gimple-pretty-print.h.
1431         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
1432         gimple-pretty-print.h.
1433         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
1434         gimple-pretty-print.h.
1435         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
1436         gimple-pretty-print.h.
1437         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
1438         gimple-pretty-print.h.
1439         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
1440         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
1441         * tree-ssa-operands.c: Include tree-pretty-print.h and
1442         gimple-pretty-print.h.
1443         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
1444         gimple-pretty-print.h.
1445         * tree-ssa-pre.c: Include tree-pretty-print.h and
1446         gimple-pretty-print.h.
1447         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
1448         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
1449         gimple-pretty-print.h.
1450         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
1451         gimple-pretty-print.h.
1452         * tree-ssa-sink.c: Include gimple-pretty-print.h.
1453         * tree-ssa-ter.c: Include tree-pretty-print.h and
1454         gimple-pretty-print.h.
1455         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
1456         * tree-ssa.c: Include tree-pretty-print.h and
1457         gimple-pretty-print.h.
1458         * tree-stdarg.c: Include gimple-pretty-print.h.
1459         * tree-switch-conversion.c: Include gimple-pretty-print.h.
1460         * tree-tailcall.c: Include tree-pretty-print.h and
1461         gimple-pretty-print.h.
1462         * tree-vect-data-refs.c: Include tree-pretty-print.h and
1463         gimple-pretty-print.h.
1464         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
1465         gimple-pretty-print.h.
1466         * tree-vect-loop.c: Include tree-pretty-print.h and
1467         gimple-pretty-print.h.
1468         * tree-vect-patterns.c: Include gimple-pretty-print.h.
1469         * tree-vect-slp.c: Include tree-pretty-print.h and
1470         gimple-pretty-print.h.
1471         * tree-vect-stmts.c: Include tree-pretty-print.h and
1472         gimple-pretty-print.h.
1473         * tree-vectorizer.c: Include tree-pretty-print.h.
1474         * tree-vrp.c: Include tree-pretty-print.h and
1475         gimple-pretty-print.h.
1476         * value-prof.c: Include tree-pretty-print.h and
1477         gimple-pretty-print.h.
1478         * var-tracking.c: Include tree-pretty-print.h.
1479         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
1480         (tree-diagnostic.o): New dependencies.
1481         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
1482         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
1483         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
1484         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
1485         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
1486         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
1487         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
1488         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
1489         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
1490         tree-ssa-address.o, tree-ssa-loop-niter.o,
1491         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
1492         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
1493         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
1494         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
1495         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
1496         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
1497         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
1498         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
1499         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
1500         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
1501         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
1502         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
1503         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
1504         tree-switch-conversion.o, var-tracking.o, value-prof.o,
1505         cfgexpand.o, pretty-print.o): Update dependencies.
1506
1507 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
1508
1509         * tree-ssa-structalias.c: Remove tm_p.h from include.
1510
1511 2010-05-21  Jeff Law  <law@redhat.com>
1512
1513         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
1514
1515 2010-05-21  Jason Merrill  <jason@redhat.com>
1516
1517         * tree-eh.c (cleanup_is_dead_in): New.
1518         (lower_try_finally): Don't generate a dead cleanup region.
1519         (lower_cleanup): Likewise.
1520
1521 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
1522
1523         PR debug/44223
1524         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
1525         unchain each use from the cyclic next_regno_use chain first.
1526
1527 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
1528
1529         * real: Do not include gmp.h, mpfr.h, and mpc.h.
1530         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
1531         (real_value_negate, real_value_abs): New prototypes.
1532         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
1533         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
1534         new include file for interface between MPFR and REAL_VALUE_TYPE.
1535         * real.c: Include realmpfr.h.
1536         (real_arithmetic2): Remove legacy function.
1537         (real_value_negate): New.
1538         (real_value_abs): New.
1539         (mfpr_from_real, real_from_mpfr): Move from here...
1540         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
1541         * builtins.c: Include realmpfr.h.
1542         * fold-const.c: Include realmpfr.h.
1543         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
1544         (fold_negate_const): Likewise.
1545         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
1546         * toplev.c: Include realmpfr.h.
1547         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
1548         and real_value_negate.
1549         * fixed-value.c (check_real_for_fixed_mode): Likewise.
1550         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
1551         (vfp3_const_double_index): Likewise.
1552         (arm_print_operand): Likewise.
1553         * Makefile.in: Update dependencies.
1554
1555 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1556
1557         * config/s390/s390.c (override_options): Increase the default
1558         of max-completely-peel-times.
1559
1560 2010-05-21  Julian Brown  <julian@codesourcery.com>
1561             Mark Mitchell  <mark@codesourcery.com>
1562
1563         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
1564         sibling calls for Thumb-1.
1565         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
1566         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
1567         Thumb-2.
1568         (*call_insn, *call_value_insn): Don't use for Thumb-2.
1569         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
1570         for Thumb-2.
1571         (return): New expander.
1572         (*arm_return): New name for ARM return insn.
1573         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
1574
1575 2010-05-19  Joel Sherrill <joel.sherrill@oarcorp.com>
1576
1577         * config.gcc (sparc64-*-rtems*): New target.
1578
1579 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
1580
1581         * tree.c (build_function_decl_skip_args): Fix grammar.
1582         (build_function_type_list_1): Fix typos, adjust formatting.
1583
1584 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
1585
1586         * tree.h: Include real.h and fixed-value.h as basic datatypes.
1587         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
1588         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
1589         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
1590         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
1591         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
1592         tree-pretty-print.c, tree-loop-distribution.c,
1593         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
1594         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
1595         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
1596         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
1597         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
1598         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
1599         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
1600         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
1601         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
1602         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
1603         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
1604         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
1605         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
1606         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
1607         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
1608         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
1609         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
1610         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
1611         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
1612         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
1613         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
1614         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
1615         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
1616         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
1617         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
1618         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
1619         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
1620         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
1621         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
1622         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
1623         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
1624         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
1625         config/score/score7.c, config/score/score.c, config/arm/arm.c,
1626         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
1627         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
1628         config/bfin/bfin.c: Clean up redundant includes.
1629         * Makefile.in: Update accordingly.
1630
1631 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
1632
1633         PR middle-end/44204
1634         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
1635         statement has no arguments.
1636
1637 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
1638
1639         PR/44139
1640         * varasm.c (emutls_decl): Merge attributes to new decl.
1641
1642 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
1643
1644         PR middle-end/44101
1645         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
1646         around the uniquized constructor if its type requires a conversion.
1647
1648 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
1649
1650         PR debug/44205
1651         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
1652         at -O0 goto_locus of any of the incoming edges differs from
1653         goto_locus of outgoing edge, or gimple_location of any of the
1654         labels differs.
1655
1656 2009-09-14  Vladimir Makarov <vmakarov@redhat.com>
1657
1658         * ira.c (ira_non_ordered_class_hard_regs): Define.
1659         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
1660         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
1661         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
1662         cost of unaligned hard regs when allocating multi-reg pseudos.
1663
1664 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
1665
1666         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
1667         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
1668         for TARGET_NO_FLOAT.
1669         * config/mips/mips.c (mips_file_start): Expand conditional expression
1670         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
1671         (mips_override_options): Move -mno-float override -msoft-float and
1672         -mhard-float.
1673         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
1674         Condition(TARGET_SUPPORTS_NO_FLOAT).
1675         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
1676         __mips_no_float here.
1677         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
1678         (TARGET_SUPPORTS_NO_FLOAT): Define.
1679         * config/mips/sdemtk.opt: Delete.
1680
1681 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
1682
1683         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.
1684
1685 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
1686
1687         PR target/43733
1688         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
1689         * configure: Regenerate.
1690         * config.in: Regenerate.
1691         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
1692         instead of sahf only for 64bit targets.
1693
1694 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
1695
1696         PR debug/44178
1697         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
1698         setup_ref_regs for DEBUG_INSNs.
1699
1700 2010-05-20  Jan Hubicka  <jh@suse.cz>
1701
1702         PR middle-end/44197
1703         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
1704
1705 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
1706
1707         PR bootstrap/43870
1708         * df-scan.c (df_ref_compare): Stabilize sort.
1709
1710 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
1711
1712         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
1713         argument.  Don't use DW_OP_piece if offset is non-zero,
1714         put offset into second DW_OP_bit_piece argument.
1715         (dw_sra_loc_expr): Adjust callers.  For memory expressions
1716         compute offset.
1717
1718 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
1719
1720         PR target/44202
1721         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
1722         settings for 16-bit-constant "addo" alternative.
1723
1724 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
1725
1726         * config/mips/mips-dsp.md (add<DSPV:mode>3,
1727         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
1728
1729         PR target/43764
1730         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
1731         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
1732         Use it.
1733
1734 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
1735
1736         * diagnostic.c (FLOAT, FFS): Don't undefine.
1737         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
1738         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
1739         include ordering.
1740
1741 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
1742
1743         * combine.c (propagate_for_debug): Call make_compound_operation
1744         on the source value.
1745         (try_combine): When implementing a split chosen by find_split_point,
1746         either copy i2src or set it to null.  Assert that i2src is not null
1747         before substituting into CALL_INSN_FUNCTION_USAGE.
1748
1749 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
1750
1751         * double-int.h (double_int_ior): New function.
1752         * tree.h (build_int_cst_wide_type): Remove.
1753         * tree.c (build_int_cst_wide_type): Remove.
1754         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
1755         of build_int_cst_wide_type.
1756         * stor-layout.c (set_sizetype): (Ditto.).
1757         * dojump.c (do_jump): Use build_int_cstu instead of
1758         build_int_cst_wide_type.
1759
1760 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
1761
1762         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
1763         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
1764         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
1765         * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
1766         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
1767         propagate the 'data' argument to copy_tree_r.
1768         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
1769         Propagate 'data' argument to walk_tree.
1770         (copy_if_shared): New function.
1771         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
1772         (unmark_visited): New function.
1773         (unshare_body): Call copy_if_shared instead of doing it manually.
1774         (unvisit_body): Call unmark_visited instead of doing it manually.
1775
1776 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
1777
1778         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
1779         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
1780         * hooks.c: Likewise.
1781         * target-def.h (TARGET_FOLD_BUILTIN): Define to
1782         hook_tree_tree_int_treep_bool_null.
1783         * target.h (struct gcc_target): Update signature of fold_builtin
1784         field.
1785         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
1786         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
1787         instead of the call expression.
1788         (fold_builtin_call_array): Pass n and argarray directly.
1789         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
1790         consing a list.
1791         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
1792         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
1793         `i' and use it in place of `arity'.
1794         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
1795         Dereference `args' directly.
1796         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
1797
1798 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1799
1800         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1801         3dnow, sse3, sse2.
1802         (Directives): Document optional dg-require-effective-target
1803         selector.
1804
1805 2010-05-19  Richard Guenther  <rguenther@suse.de>
1806
1807         PR lto/44196
1808         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
1809
1810 2010-05-19  Richard Guenther  <rguenther@suse.de>
1811
1812         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
1813         * common.opt (fwhopr=): New.
1814         * opts.c (common_handle_option): Handle OPT_fwhopr.
1815         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
1816         * collect2.c (main): Match -fwhopr*.
1817         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
1818         Execute ltrans stage in parallel when jobs is bigger than 1.
1819
1820 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1821
1822         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
1823         pentiumpro on Solaris 8/x86 with Sun as.
1824         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
1825         hidden alias bug.
1826         (gcc_cv_as_ix86_quad): Check for .quad directive.
1827         * configure: Regenerate.
1828         * config.in: Regenerate.
1829         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
1830
1831 2010-05-19  Martin Jambor  <mjambor@suse.cz>
1832
1833         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
1834         also for indirect edges.  Actual printing moved...
1835         (ipa_print_node_jump_functions_for_edge): ...here.
1836         (ipa_compute_jump_functions): Renamed to
1837         ipa_compute_jump_functions_for_edge and made static.
1838         (ipa_compute_jump_functions): New function.
1839         (make_edge_direct_to_target): Check if the number of arguments on
1840         the newly direct edge is the same as the number of parametrs of
1841         the callee.
1842         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
1843         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
1844         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
1845         analysis functions unconditionally, call the new
1846         ipa_analyze_params_uses on the node instead of every edge.
1847
1848 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
1849
1850         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
1851         to tree.
1852         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
1853         also checks for a constant int vs.  non-constant but
1854         loop-invariant steps.
1855         (find_or_create_group): Change the sort algorithm to only consider
1856         steps that are constant ints.
1857         (idx_analyze_ref): Adopt code to handle a tree instead of a
1858         HOST_WIDE_INT for step.
1859         (gather_memory_references_ref): Handle tree instead of int and be
1860         prepared to see a NULL_TREE.
1861         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
1862         prefetches if the step cannot be calculated at compile time.
1863         (issue_prefetch_ref): Issue prefetches for non-constant but
1864         loop-invariant steps.
1865
1866 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1867
1868         Revert:
1869         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1870
1871         * tree.h (build_call_list): Remove.
1872         * tree.c (build_call_list): Remove.
1873
1874 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
1875
1876         * tree.h (build_call_list): Remove.
1877         * tree.c (build_call_list): Remove.
1878
1879 2010-05-18  Jan Hubicka  <jh@suse.cz>
1880
1881         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
1882
1883 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
1884
1885         PR rtl-optimization/43332
1886         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
1887
1888 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
1889
1890         * tree.h (build_int_cstu): Implement as static inline.
1891         * tree.c (build_int_cstu): Remove function.
1892         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
1893         sign extended.
1894
1895 2010-05-18  Richard Guenther  <rguenther@suse.de>
1896
1897         PR lto/44143
1898         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
1899         (debug): Initialize from -save-temps.
1900         (collect_execute): Print command-line when verbose.
1901         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
1902         for ltrans invocation.  Produce -dumpbase flag again.
1903         (process_args): Remove.
1904         (main): Simplify.
1905         * collect2.c (maybe_run_lto_and_relink): Only pass object
1906         files to lto-wrapper.
1907         * gcc.c (LINK_COMMAND_SPEC): Likewise.
1908
1909 2010-05-18  Jan Hubicka  <jh@suse.cz>
1910
1911         * opts.c (decode_options): Do not disable whopr at ipa_cp.
1912         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
1913
1914 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1915
1916         PR lto/44184
1917         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
1918         in a GIMPLE_ASM.
1919         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
1920         in a GIMPLE_ASM.
1921
1922 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
1923
1924         PR debug/41371
1925         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
1926         rtx_equal_p inline.
1927
1928 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
1929
1930         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
1931         lto-macho as lto_binary_reader.
1932
1933         * darwin.c (darwin_asm_named_section): Do not add assembler comment
1934         after .section directive; just print it before the directive instead.
1935
1936 2010-05-17  Jan Hubicka  <jh@suse.cz>
1937
1938         * cgraph.c (cgraph_create_virtual_clone): Only check
1939         versionable_function_p when not in wpa and checking is enabled.
1940         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
1941         there are no more functions to materialize.
1942
1943 2010-05-17  Jan Hubicka  <jh@suse.cz>
1944
1945         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
1946         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
1947         New functions.
1948         (output_cgraph): Call output_cgraph_opt_summary.
1949         (input_cgrpah): Call input_cgraph_opt_summary.
1950         (output_cgraph_opt_summary_p, output_node_opt_summary,
1951         input_node_opt_summary, input_cgraph_opt_section): New functions.
1952         * lto-section-in.c (lto_section_name): Add cgraphopt.
1953         * tree-inline.c (tree_function_versioning): Handle parm_num.
1954         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
1955         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
1956
1957 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1958
1959         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
1960         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
1961         the insn to prefetch ratio heuristic to loops with known trip count.
1962
1963 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
1964
1965         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
1966         (schedule_prefetches): Do not generate a prefetch if the unroll factor
1967         is far from what is required by the prefetch.
1968
1969 2010-05-17  Jan Hubicka  <jh@suse.cz>
1970
1971         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
1972         (ipcp_estimate_growth): Likewise.
1973         (ipcp_const_param_count): Likewise.
1974         (ipcp_insert_stage): Likewise.
1975         * ipa-prop.c (visit_load_for_mod_analysis): New function.
1976         (visit_store_addr_for_mod_analysis): Set used flag.
1977         (ipa_detect_param_modifications): Set used flag for SSE params;
1978         update use of walk_stmt_load_store_addr_ops.
1979         (ipa_print_node_params): Print used flag.
1980         (ipa_write_node_info): Stream used flag.
1981         (ipa_read_node_info): Likewise.
1982         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
1983         (ipa_is_param_used): New function.
1984         (lto_ipa_fixup_call_notes): Remove unused declaration.
1985
1986 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1987
1988         PR target/44074
1989         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
1990         * configure: Regenerate.
1991         * config.in: Regenerate.
1992         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
1993         !HAVE_AS_IX86_REP_LOCK_PREFIX.
1994         Don't emit whitespace.
1995         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
1996         (*rep_movsi): Likewise.
1997         (*rep_movsi_rex64): Likewise.
1998         (*rep_movqi): Likewise.
1999         (*rep_movqi_rex64): Likewise.
2000         (*rep_stosdi_rex64): Likewise.
2001         (*rep_stossi): Likewise.
2002         (*rep_stossi_rex64): Likewise.
2003         (*rep_stosqi): Likewise.
2004         (*rep_stosqi_rex64): Likewise.
2005         (*cmpstrnqi_nz_1): Use {%;} after repz.
2006         (*cmpstrnqi_nz_rex_1): Likewise.
2007         (*cmpstrnqi_1): Likewise.
2008         (*cmpstrnqi_rex_1): Likewise.
2009         (*strlenqi_1): Use {%;} after repnz.
2010         (*strlenqi_rex_1): Likewise.
2011         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
2012         (*sync_compare_and_swap<mode>): Likewise.
2013         (sync_double_compare_and_swap<mode>): Likewise.
2014         (*sync_double_compare_and_swapdi_pic): Likewise.
2015         (sync_old_add<mode>): Likewise.
2016         (sync_add<mode>): Likewise.
2017         (sync_sub<mode>): Likewise.
2018         (sync_<code><mode>): Likewise.
2019
2020 2010-05-17  Martin Jambor  <mjambor@suse.cz>
2021
2022         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
2023         otr_token and polymorphic.
2024         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
2025         (cgraph_clone_edge): Copy the above fields.
2026         * tree.c (get_binfo_at_offset): New function.
2027         * tree.h (get_binfo_at_offset): Declare.
2028         * ipa-prop.h (enum jump_func_type): Added known_type jump function
2029         type, reordered items, updated comments.
2030         (union jump_func_value): Added base_type field, reordered fields.
2031         (enum ipa_lattice_type): Moved down in the file.
2032         (struct ipa_param_descriptor): New field polymorphic.
2033         (ipa_is_param_polymorphic): New function.
2034         * ipa-prop.c: Include gimple.h and gimple-fold.h.
2035         (ipa_print_node_jump_functions): Print known type jump functions.
2036         (compute_complex_pass_through): Renamed to...
2037         (compute_complex_assign_jump_func): this.
2038         (compute_complex_ancestor_jump_func): New function.
2039         (compute_known_type_jump_func): Likewise.
2040         (compute_scalar_jump_functions): Create known type and complex ancestor
2041         jump functions.
2042         (ipa_note_param_call): New parameter polymorphic, set the corresponding
2043         flag in the call note accordingly.
2044         (ipa_analyze_call_uses): Renamed to...
2045         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
2046         variable var only in the block where it is used.
2047         (ipa_analyze_virtual_call_uses): New function.
2048         (ipa_analyze_call_uses): Likewise.
2049         (combine_known_type_and_ancestor_jfs): Likewise.
2050         (update_jump_functions_after_inlining): Implemented handling of a
2051         number of new jump function types combination.
2052         (print_edge_addition_message): Removed.
2053         (make_edge_direct_to_target): New function.
2054         (try_make_edge_direct_simple_call): Likewise.
2055         (try_make_edge_direct_virtual_call): Likewise.
2056         (update_call_notes_after_inlining): Renamed to...
2057         (update_indirect_edges_after_inlining): this.  Moved edge creation for
2058         indirect calls to try_make_edge_direct_simple_call, also calls
2059         try_make_edge_direct_virtual_call for virtual calls.
2060         (ipa_print_node_params): Changed the header message.
2061         (ipa_write_jump_function): Stream also known type jump functions.
2062         (ipa_read_jump_function): Likewise.
2063         (ipa_write_indirect_edge_info): Stream new fields in
2064         cgraph_indirect_call_info.
2065         (ipa_read_indirect_edge_info): Likewise.
2066         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
2067         GIMPLE_FOLD_H.
2068
2069 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2070
2071         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
2072
2073 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
2074
2075         * tree.h (CALL_EXPR_ARGS): Delete.
2076         (call_expr_arglist): Delete.
2077         * tree.c (call_expr_arglist): Delete.
2078         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
2079         targetm.fold_builtin.
2080         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
2081         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
2082         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
2083         arglist parameter.  Use CALL_EXPR_ARG.
2084         (picochip_expand_builtin_3op): Likewise.
2085         (picochip_expand_builtin_2opvoid): Likewise.
2086         (picochip_expand_array_get): Likewise.
2087         (picochip_expand_array_put): Likewise.
2088         (picochip_expand_array_testport): Likewise.
2089         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
2090         rather than arglist.
2091         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
2092         CALL_EXPR_ARGS.
2093         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
2094         than TREE_VALUE and TREE_CHAIN.
2095         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
2096         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
2097         the arglist.
2098
2099 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
2100
2101         PR bootstrap/42347
2102         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
2103         to have no fallthru edge.
2104
2105         PR middle-end/44102
2106         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
2107         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
2108         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
2109         add BARRIER after previous bb if needed.
2110
2111 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
2112
2113         * tree.c (build_function_type_list_1): Remove bogus assert condition.
2114
2115 2010-05-17  Alan Modra  <amodra@gmail.com>
2116
2117         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
2118         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
2119         with copy_reg rtx param.
2120         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
2121         Correct cases where code for ABI_V4 did not initialise the reg
2122         used to access frame.  Also leave frame_reg_rtx as sp for large
2123         frames that save no regs.
2124
2125 2010-05-17  Martin Jambor  <mjambor@suse.cz>
2126
2127         PR middle-end/44133
2128         * tree-sra.c (create_access_replacement): New parameter rename, mark
2129         the replaement for renaming only when it is true.
2130         (get_access_replacement): Pass true in the rename parameter of
2131         create_access_replacement.
2132         (get_unrenamed_access_replacement): New function.
2133         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
2134         replacement declaration from it.
2135
2136 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
2137
2138         * function.c (try_fit_stack_local, add_frame_space): New static
2139         functions.
2140         (assign_stack_local_1): Use them.  Look for opportunities to use
2141         space previously wasted on alignment.
2142         * function.h (struct frame_space): New.
2143         (struct rtl_data): Add FRAME_SPACE_LIST member.
2144         * reload1.c (something_was_spilled): New static variable.
2145         (alter_reg): Set it.
2146         (reload): Test it in addition to testing if the frame size changed.
2147
2148 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
2149
2150         * config/s390/s390.c: Define sane prefetch settings and activate
2151         flag_prefetch_loop_arrays on -O3.
2152         * config/s390/s390.h: Declare that read can use write prefetch.
2153
2154 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
2155
2156         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
2157         build.
2158
2159 2010-05-16  Jan Hubicka  <jh@suse.cz>
2160
2161         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
2162         function body; do not check stdarg field of struct function.
2163
2164 2010-05-16  Jan Hubicka  <jh@suse.cz>
2165
2166         * cgraph.c (dump_cgraph_node): Dump versionable flag.
2167         * cgraph.h (cgraph_local_info): Add versionable flag.
2168         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
2169         (ipcp_versionable_function_p): Use it.
2170         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
2171         versionable flag.
2172
2173 2010-05-16  Jan Hubicka  <jh@suse.cz>
2174
2175         * cgraph.c (cgraph_clone_node): Take decl argument and insert
2176         clone into hash when it is different from orig.
2177         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
2178         * cgraph.h (cgraph_clone_node): Update prototype.
2179         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
2180         (lto_cgraph_encoder_delete): Delete body map.
2181         (lto_cgraph_encoder_size): Move to header.
2182         (lto_cgraph_encoder_encode_body_p,
2183         lto_set_cgraph_encoder_encode_body): New.
2184         (lto_output_node): Do not take written_decls argument; output clone_of
2185         pointer.
2186         (add_node_to): Add include_body_argument; call
2187         lto_set_cgraph_encoder_encode_body on master of the clone.
2188         (add_references): Update use of add_node_to.
2189         (compute_ltrans_boundary): Likewise.
2190         (output_cgraph): Do not create written_decls bitmap.
2191         (input_node): Take nodes argument; stream in clone_of correctly.
2192         (input_cgraph_1): Update use of input_node.
2193         * lto-streamer-out.c (lto_output): Use encoder info to decide
2194         what bodies to output.
2195         * ipa-inline.c (cgraph_clone_inlined_nodes,
2196         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
2197         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
2198         (lto_cgraph_encoder_size): Define here.
2199         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
2200         Declare.
2201
2202 2010-05-16  Richard Guenther  <rguenther@suse.de>
2203
2204         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
2205         -fipa-type-escape.
2206         * ipa-type-escape.c (gate_type_escape_vars): Run when
2207         -fipa-struct-reorg runs.
2208         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
2209         * common.opt (fipa-type-escape): Remove.
2210
2211 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
2212
2213         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
2214         (decode_options): Likewise.
2215         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
2216
2217 2010-05-16  Jan Hubicka  <jh@suse.cz>
2218
2219         * ipa.c (function_and_variable_visibility): Also bring local all
2220         aliases.
2221
2222 2010-05-16  Richard Guenther  <rguenther@suse.de>
2223
2224         * alias.c (nonoverlapping_memrefs_p): Remove use of
2225         IPA type-escape information.
2226
2227 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
2228
2229         * c-common.c (c_common_reswords): Add _Static_assert for C.
2230         * c-parser.c (c_token_starts_declaration,
2231         c_parser_next_token_starts_declaration,
2232         c_parser_static_assert_declaration_no_semi,
2233         c_parser_static_assert_declaration): New.
2234         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
2235         Handle static assertions if static_assert_ok.
2236         (c_parser_external_declaration, c_parser_declaration_or_fndef,
2237         c_parser_compound_statement_nostart, c_parser_label,
2238         c_parser_for_statement, c_parser_objc_methodprotolist,
2239         c_parser_omp_for_loop): All callers of
2240         c_parser_declaration_or_fndef changed.
2241         (c_parser_struct_declaration): Handle static assertions.
2242         (c_parser_compound_statement_nostart): Use
2243         c_parser_next_token_starts_declaration and
2244         c_token_starts_declaration to detect start of declarations.
2245         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
2246         Likewise.
2247
2248 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
2249
2250         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
2251         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2252         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
2253         TARGET_FUNCTION_VALUE_REGNO_P): Define.
2254         (mmix_function_outgoing_value): Rename to...
2255         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
2256         (mmix_function_value_regno_p): Make static.
2257         (mmix_libcall_value): New function.
2258         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
2259         mmix_function_value_regno_p): Remove declaration.
2260
2261 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
2262
2263         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
2264         BUILT_IN_ALLOCA if stack checking is enabled.
2265
2266 2010-05-16  Richard Guenther  <rguenther@suse.de>
2267
2268         * var-tracking.c (vars_copy_1): Inline ...
2269         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
2270         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
2271         (variable_merge_over_cur): Adjust.  Merge asserts.
2272         (variable_merge_over_src): Likewise.
2273         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
2274         (variable_post_merge_new_vals): Merge asserts.
2275         (variable_post_merge_perm_vals): Likewise.
2276         (find_mem_expr_in_1pdv): Likewise.
2277         (dataflow_set_different_value): Remove.
2278         (onepart_variable_different_p): Merge asserts.
2279         (variable_different_p): Likewise.
2280         (dataflow_set_different_1): Inline ...
2281         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
2282         (emit_notes_for_differences_1): Merge asserts.
2283
2284 2010-05-16  Richard Guenther  <rguenther@suse.de>
2285
2286         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
2287         * optabs.c (libfunc_decl_hash): Likewise.
2288         * varasm.c (emutls_decl): Likewise.
2289
2290 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
2291
2292         * c-decl.c: Don't include gimple.h.
2293         (merge_decls): Do not copy gimple_body.
2294
2295 2010-05-15  Jason Merrill  <jason@redhat.com>
2296
2297         * c.opt: Add -fnothrow-opt.
2298
2299 2010-05-15  Jan Hubicka  <jh@suse.cz>
2300
2301         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
2302         analyzed.
2303         * passes.c (ipa_write_summaries): Write all analyzed nodes.
2304
2305 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
2306
2307         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
2308         * Makefile.in: Add it.
2309         Fix all other Makefile dependencies for changes below.
2310         * tree.h: Include it instead of defining VEC primitives here.
2311         * gimple.h: Likewise.
2312         * rtl.h: Likewise.
2313         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
2314         * except.h: Include vecir.h, break dependence on tree.h.
2315
2316         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
2317         Move from here...
2318         * tree-iterator.c: ...to here.
2319         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
2320
2321         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
2322         tm_p.h.
2323         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
2324         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
2325         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
2326         tree-mudflap.h, and target.h.
2327         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
2328         predict.h, tree-inline.h, gimple.h, and langhooks.h.
2329         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
2330         Add FIXME for why gimple.h is still included (should be unnecessary
2331         since GCC 4.5 gimplification unit-at-a-time).
2332         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
2333         * c-pragma.c: Add FIXME for why function.h needs to be included just
2334         for cfun, at front-end level.
2335         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
2336         Do not include ggc.h, but include vecprim.h for VEC(char).
2337         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
2338         Explain why target.h is included.
2339         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
2340         Explain why gimple.h is included.
2341         * c-ppoutput.c: Do not include tm.h.
2342         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
2343         * c-parses.c: Explain why rtl.h is included, and that this (and only
2344         this) is also why tm.h must be included.
2345         Do not include except.h.
2346         * c-lang.c: Do not include ggc.h.
2347
2348 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
2349
2350         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
2351
2352 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
2353
2354         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
2355         unions by default if those structs and unions have no tags.  Do
2356         not condition anonymous struct and unions handling on flag_iso.
2357         Allow anonymous structs and unions for C1X.
2358         (finish_struct): Do not diagnose lack of named fields when
2359         anonymous structs and unions present for C1X.  Accept flexible
2360         array members in structure with anonymous structs or unions but no
2361         directly named fields.
2362         * doc/extend.texi (Unnamed Fields): Update.
2363
2364 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
2365
2366         * gimple.h (compare_field_offset): Rename into...
2367         (gimple_compare_field_offset): ...this.
2368         * gimple.c (compare_field_offset): Rename into...
2369         (gimple_compare_field_offset): ...this.  Compare the full access if
2370         the offset is self-referential.
2371         (gimple_types_compatible_p): Adjust for above renaming.
2372         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
2373         DECL_NONADDRESSABLE_P flag of fields before merging them.
2374
2375 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
2376
2377         * tree.h (ctor_to_list): Delete.
2378         * tree.c (ctor_to_list): Delete.
2379
2380 2010-05-15  Jan Hubicka  <jh@suse.cz>
2381
2382         * ipa-reference.c: Include toplev.h
2383         (is_proper_for_analysis): Only add to all_module_statics
2384         if it is allocated.
2385         (write_node_summary_p, stream_out_bitmap,
2386         ipa_reference_write_optimization_summary,
2387         ipa_reference_read_optimization_summary): New.
2388         (struct ipa_opt_pass_d pass_ipa_reference): Add
2389         optimization summary streaming.
2390         * lto-cgraph.c (referenced_from_this_partition_p,
2391         reachable_from_this_partition_p): New functions.
2392         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
2393         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
2394         * opts.c (decode_options): Enable ipa_reference.
2395         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
2396         * lto-streamer.h (referenced_from_this_partition_p,
2397         reachable_from_this_partition_p): Declare.
2398
2399 2010-05-15  Richard Guenther  <rguenther@suse.de>
2400
2401         PR tree-optimization/44038
2402         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
2403         taking the address of a V_C_E of a constant.
2404
2405 2010-05-14  Jan Hubicka  <jh@suse.cz>
2406
2407         * tree.h (memory_identifier_string): Remove.
2408         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
2409         (ipa_reference_global_vars_info_d): Remove statics_not_read and
2410         statics_not_written.
2411         (ipa_reference_optimization_summary_d): New structure.
2412         (ipa_reference_optimization_summary_t): New type and vector.
2413         (ipa_reference_vars_info_d): Embedd structures instead of using
2414         pointers.
2415         (reference_vars_to_consider): Remove out of GGC space.
2416         (module_statics_escape): Remove.
2417         (global_info_obstack): Rename to ...
2418         (optimization_summary_obstack): ... this one.
2419         (initialization_status_t): Remove.
2420         (memory_identifier_string): Remove.
2421         (get_reference_vars_info): Fix indenting.
2422         (set_reference_vars_info): Likewise.
2423         (get_reference_optimization_summary): New.
2424         (set_reference_optimization_summary): New.
2425         (get_global_reference_vars_info): Remove.
2426         (ipa_reference_get_read_global): Remove.
2427         (ipa_reference_get_written_global): Remove.
2428         (ipa_reference_get_not_read_global): Update.
2429         (ipa_reference_get_not_written_global): Update.
2430         (is_proper_for_analysis): Outlaw addressable.
2431         (propagate_bits): Update for new datastructures.
2432         (analyze_variable): Remove.
2433         (init_function_info): Update for new datastructures.
2434         (clean_function_local_data): Remove.
2435         (clean_function): Remove.
2436         (copy_global_bitmap): Use optimizations_summary_obstack.
2437         (duplicate_node_data): Duplicate optimization summary only.
2438         (remove_node_data): Remove optimization summary only.
2439         (generate_summary): Do not analyze variables; do not compute
2440         module_statics_escape; do not prune solutions by it.
2441         (read_write_all_from_decl): Fix typos in comments.
2442         (propagate): Doscover readonly and nonaddressable first;
2443         update for new datastructures; share global bitmaps.
2444         * ipa-reference.h (ipa_reference_get_read_global,
2445         ipa_reference_get_written_global): Remove.
2446         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
2447         * Makefile.in: Remove ipa-refereference from GT files.
2448
2449 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
2450
2451         PR debug/44112
2452         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
2453         for all SYMBOL_REF_DECLs.
2454
2455 2010-05-14  Jan Hubicka  <jh@suse.cz>
2456
2457         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
2458         (varpool_all_refs_explicit_p): New inline function.
2459         * ipa-reference.c: Update comment.
2460         (module_statics_written): Remove.
2461         (get_static_decl): Remove.
2462         (ipa_init): Do not initialize module_statics_written.
2463         (analyze_function): Likewise.
2464         (generate_summary): Likewise; do not compute module_statics_readonly
2465         and do not update variable flags.
2466         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
2467         * ipa.c: Inlucde flags.h
2468         (cgraph_local_node_p): New.
2469         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
2470         promote functions to local.
2471         (ipa_discover_readonly_nonaddressable_vars): New function.
2472         (function_and_variable_visibility): Use cgraph_local_node_p.
2473         * varpool.c (varpool_finalize_decl): Set force_output for
2474         DECL_PRESERVE_P vars.
2475
2476 2010-05-14  Jan Hubicka  <jh@suse.cz>
2477
2478         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
2479
2480 2010-05-14  Richard Guenther  <rguenther@suse.de>
2481
2482         PR tree-optimization/44119
2483         * tree-ssa-pre.c (eliminate): Properly mark replacement of
2484         a PHI node necessary.
2485
2486 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
2487
2488         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
2489
2490 2010-05-14  Jason Merrill  <jason@redhat.com>
2491
2492         PR c++/44127
2493         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
2494         (gimple_call_set_nothrow): New.
2495         * gimple.c (gimple_build_call_from_tree): Call it.
2496         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
2497
2498         PR c++/44127
2499         * gimplify.c (gimplify_seq_add_stmt): No longer static.
2500         * gimple.h: Declare it.
2501         * gimple.c (gimple_build_eh_filter): No ops.
2502
2503 2010-05-14  Jan Hubicka  <jh@suse.cz>
2504
2505         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
2506         nodes already in queue.
2507         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
2508         re-enqueueing node.
2509
2510 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
2511
2512         PR debug/44136
2513         * cfgexpand.c (expand_debug_expr): If non-memory op0
2514         has BLKmode, return NULL.
2515
2516 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
2517
2518         * config.gcc: Add support for --with-cpu option for bdver1.
2519         * config/i386/i386.h (TARGET_BDVER1): New macro.
2520         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
2521         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
2522         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
2523         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
2524         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
2525         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
2526         (processor_type): Add PROCESSOR_BDVER1.
2527         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
2528         processor_type in config/i386/i386.h.
2529         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
2530         movaps <reg, reg> instead of movapd <reg, reg> when replacing
2531         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
2532         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
2533         to emit packed xor instead of packed double/packed integer
2534         xor for SSE and AVX when moving a zero value.
2535         * config/i386/sse.md: Add check for
2536         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
2537         movapd/movdqa for SSE and AVX.
2538         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
2539         single logical operations i.e and, or and xor instead of packed double
2540         logical operations for SSE and AVX.
2541         * config/i386/i386-c.c (ix86_target_macros_internal):
2542         Add PROCESSOR_BDVER1.
2543         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
2544         (has_fma4, has_xop): New.
2545         * config/i386/i386.c (bdver1_cost): New variable.
2546         (m_BDVER1): New macro.
2547         (m_AMD_MULTIPLE): Add m_BDVER1.
2548         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
2549         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
2550         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
2551         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
2552         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
2553         x86_tune_sse_partial_reg_dependency,
2554         x86_tune_sse_unaligned_load_optimal,
2555         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
2556         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
2557         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
2558         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
2559         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
2560         Enable/disable for bdver1.
2561         (processor_target_table): Add bdver1_cost.
2562         (cpu_names): Add bdver1.
2563         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
2564          processor_alias_table.
2565         (ix86_expand_vector_move_misalign): Change.
2566         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
2567         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
2568         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
2569         of movupd/movdqu for SSE and AVX.
2570         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
2571         (ix86_tune_adjust_cost): Add code for bdver1.
2572         (standard_sse_constant_opcode): Add check for
2573         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
2574         of packed double xor for SSE and AVX.
2575
2576 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
2577
2578         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
2579         result to unsigned.
2580
2581 2010-05-14  Tristan Gingold  <gingold@adacore.com>
2582
2583         * toplev.c (default_debug_hooks): Remove this variable.
2584         (process_options): Remove assignments to default_debug_hooks.
2585
2586 2010-05-14  Martin Jambor  <mjambor@suse.cz>
2587
2588         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
2589         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
2590         * langhooks.h (struct lang_hooks_for_decls): Removed field
2591         fold_obj_type_ref.
2592         * tree.c (free_lang_data): Remove assignment to
2593         lang_hooks.fold_obj_type_ref.
2594         * tree.def (OBJ_TYPE_REF): Update comment.
2595
2596 2010-05-14  Richard Guenther  <rguenther@suse.de>
2597
2598         PR tree-optimization/44124
2599         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
2600
2601 2010-05-14  Alan Modra  <amodra@gmail.com>
2602
2603         PR target/44075
2604         * config/rs6000/rs6000.c (struct machine_function): Reorder
2605         fields for better packing.  Add lr_save_state.
2606         (rs6000_ra_ever_killed): Return lr_save_state if set.
2607         (rs6000_emit_eh_reg_restore): Set lr_save_state.
2608
2609 2010-05-13  Jan Hubicka  <jh@suse.cz>
2610
2611         * varpool.c (decide_is_variable_needed): Drop code checking
2612         TREE_SYMBOL_REFERENCED.
2613
2614 2010-05-13  Jan Hubicka  <jh@suse.cz>
2615
2616         * final.c (output_addr_const): Do not call mark_decl_referenced.
2617         * cgraphunit.c (process_function_and_variable_attributes): Use
2618         mark_needed_node dirrectly.
2619         (assemble_thunk): Do not call mark_decl_referenced.
2620
2621 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
2622
2623         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
2624
2625 2010-05-13  Jeff Law  <law@redhat.com>
2626
2627         * ira-conflicts.c (print_allocno_conflicts): New function broken out
2628         from...
2629         (print_conflicts): Call print_allocno_conflicts.
2630
2631 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
2632
2633         PR debug/44104
2634         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
2635         if it is NULL.
2636
2637 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
2638
2639         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
2640         t-mingw-w64 or t-mingw-w32 for multilib configuration.
2641         * config/i386/t-mingw-w32: New.
2642         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
2643
2644 2010-05-13  Martin Jambor  <mjambor@suse.cz>
2645
2646         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
2647         gimple-fold.c).
2648         * gimple-fold.c (get_base_binfo_for_type): New function.
2649         (gimple_get_relevant_ref_binfo): Likewise.
2650         (gimple_fold_obj_type_ref_known_binfo): Likewise.
2651         (gimple_fold_obj_type_ref): Likewise.
2652         (fold_gimple_call): Simplify condition for folding virtual calls
2653         and call gimple_fold_obj_type_ref.
2654         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
2655         (gimple_fold_obj_type_ref_known_binfo): Likewise.
2656
2657 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
2658
2659         * config/rs6000/rs6000-protos.h
2660         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
2661         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
2662         (rs6000_debug_mode_dependent_address)
2663         (rs6000_mode_dependent_address_ptr): Likewise.
2664
2665 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
2666
2667         PR debug/43983
2668         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
2669         by SRA.
2670         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
2671         * tree-sra.c (create_access_replacement): Call unshare_expr before
2672         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
2673         * dwarf2out.c: Include tree-flow.h.
2674         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
2675         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
2676         Handle DW_OP_bit_piece.
2677         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
2678         construct_piece_list, adjust_piece_list): New functions.
2679         (add_var_loc_to_decl): Handle SRA optimized variables.
2680         Adjust for var_loc_note to loc field renaming.
2681         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
2682         in VAR_LOCATION note.
2683         (new_loc_descr_op_bit_piece): New function.
2684         (dw_sra_loc_expr): New function.
2685         (dw_loc_list): Use it.  Don't handle the last range after the
2686         loop, handle it inside of the loop.  Adjust for var_loc_note
2687         to loc field renaming.
2688         (add_location_or_const_value_attribute): Only special case
2689         single entry loc lists if loc is NOTE_P.  Adjust for
2690         var_loc_note to loc field renaming.
2691         (dwarf2out_var_location): Don't set newloc->var_loc_note
2692         and newloc->next here.
2693
2694 2010-05-12  Jan Hubicka  <jh@suse.cz>
2695
2696         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
2697         flag.
2698         * cgraph.h (cgraph_only_called_directly_p,
2699         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
2700         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
2701         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
2702         (assemble
2703         * ipa.c (cgraph_remove_unreachable_nodes): Use
2704         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
2705         flags.
2706         * tree-inline.c (copy_bb): Check address_taken flag.
2707         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
2708         externally_visible flag.
2709
2710 2010-05-12  Jason Merrill  <jason@redhat.com>
2711
2712         PR bootstrap/44048
2713         PR target/44099
2714         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
2715         * sdbout.c (plain_type_1): Likewise.
2716         * dwarf2out.c (is_base_type): Likewise.
2717         (gen_type_die_with_usage): Likewise.  Generate
2718         DW_TAG_unspecified_type for any LANG_TYPE.
2719
2720 2010-05-12  Jan Hubicka  <jh@suse.cz>
2721
2722         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
2723         indrect edges too.
2724         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
2725         (cgraph_clone_edge): Update.
2726         (cgraph_node_remove_callees): Remove indirect calls too.
2727         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
2728         (cgraph_create_indirect_edge): Update prototype.
2729         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
2730         is_proper_for_analysis.
2731         (add_new_function, visited_nodes, function_insertion_hook_holder,
2732         get_local_reference_vars_info, mark_address_taken, mark_address,
2733         mark_load, mark_store, check_asm_memory_clobber, check_call,
2734         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
2735         (ipa_init): Do not initialize visited_nodes;
2736         function_insertion_hook_holder.
2737         (analyze_variable): Rewrite.
2738         (analyze_function): Rewrite.
2739         (copy_local_bitmap): Remove.
2740         (duplicate_node_dat): Do not duplicate local info.
2741         (generate_summary): Simplify to only walk cgraph.
2742         (write_node_summary_p, ipa_reference_write_summary,
2743         ipa_reference_read_summary): Remove.
2744         (propagate): Do not remove function insertion;
2745         generate summary.
2746         (pass_ipa_reference): NULLify summary handling fields.
2747         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
2748         (input_edge): Input ecf_flags.
2749         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
2750         (update_indirect_edges_after_inlining): Ignore edges with unknown
2751         param.
2752
2753 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
2754
2755         * implicit-zee.c: New file.
2756         * tree-pass.h (pass_implicit_zee): Declare.
2757         * passes.c (init_optimization_passes): Add zee pass.
2758         * common.opt (fzee): New flag.
2759         * timevar.def (TV_ZEE): Define.
2760         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
2761         and beyond.
2762         * Makefile.in (implicit-zee.o): Add new build file.
2763
2764 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2765             Nathan Froyd  <froydnj@codesourcery.com>
2766
2767         * c-common.c (sync_resolve_params): Remove write-only variable.
2768
2769 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
2770
2771         * target.h (struct gcc_target): Add mode_dependent_address_p field.
2772         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
2773         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
2774         * targhooks.c (default_mode_dependent_address_p): New function.
2775         * targhooks.h (default_mode_dependent_address_p): Declare function.
2776         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
2777         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
2778         * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
2779         target hook. Change return type to bool.
2780         * recog.h (mode_dependent_address_p): Change return type to bool.
2781
2782 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2783             Nathan Froyd  <froydnj@codesourcery.com>
2784
2785         * tree-mudflap.c (build_function_type_0, build_function_type_1,
2786         build_function_type_2, build_function_type_3): Remove.
2787         (mudflap_init): Use build_function_type_list.
2788
2789 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
2790             Nathan Froyd  <froydnj@codesourcery.com>
2791
2792         * coverage.c (build_fn_info_value): Call build_constructor instead of
2793         build_constructor_from_list.
2794         (build_ctr_info_value): Likewise.
2795         (build_gcov_info): Likewise.
2796
2797 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
2798
2799         * tree.c (build_constructor): Compute TREE_CONSTANT for the
2800         resultant constructor.
2801         (build_constructor_single): Don't set TREE_CONSTANT.
2802         (build_constructor_from_list): Don't compute TREE_CONSTANT.
2803
2804 2010-05-12  Jan Hubicka  <jh@suse.cz>
2805
2806         * cgraph.h (struct varpool_node): Add aux.
2807         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
2808         * varpool.c (varpool_remove_node): Do not remove initializer.
2809         (varpool_reset_queue): Export.
2810         (varpool_finalize_decl): Volatile vars are forced to be output.
2811         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
2812         replaced decl.
2813         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
2814         process_references, varpool_can_remove_if_no_refs): New functions.
2815         (cgraph_remove_unreachable_nodes): Handle variables too.
2816
2817 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
2818
2819         PR target/44088
2820         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
2821
2822 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
2823
2824         PR middle-end/44085
2825         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
2826         change value of ORT_TASK.
2827         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
2828         (omp_notice_threadprivate_variable): New function.
2829         (omp_notice_variable): Call it for threadprivate variables.
2830         If enclosing ctx is a task, print enclosing task rather than
2831         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
2832         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
2833         if task has untied clause.
2834
2835         PR debug/42278
2836         * dwarf2out.c (base_type_die): Don't add name attribute here.
2837         (modified_type_die): Instead of sizetype use
2838         its underlying original type.  If a DW_TAG_base_type doesn't
2839         have name added, add __unknown__.
2840         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
2841         always call force_type_die instead.
2842
2843 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
2844
2845         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
2846         for __stack_chk_guard.
2847
2848 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2849
2850         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
2851         don't call start_source_file debug hook here...
2852         (finish_options): ... but here, after outputting predefined and
2853         command line defines and undefs.
2854
2855         PR middle-end/44071
2856         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
2857         no fallthru edge.
2858         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
2859         optimizing away empty bb with no successors, move over its
2860         footer chain to fallthru predecessor.
2861         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
2862         (rtl_split_edge): For asm goto call patch_jump_insn even if
2863         splitting fallthru edge.
2864
2865         PR c++/44059
2866         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
2867         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
2868         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
2869         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
2870         on DW.ref.* decls.
2871
2872         PR c++/44062
2873         * c-parser.c (c_parser_expression): Mark LHS of a comma
2874         expression as read if it is a decl, handled component or
2875         COMPOUND_EXPR with that on the RHS.
2876         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
2877         if it is a decl or handled component.
2878
2879 2010-05-11  Jan Hubicka  <jh@suse.cz>
2880
2881         * lto-symtab.c (lto_symtab_free): New function.
2882         * lto-streamer.h (lto_symtab_free): Declare.
2883
2884 2010-05-11  Jan Hubicka  <jh@suse.cz>
2885
2886         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
2887         that if function is needed it is reachable.
2888         (lto_output_node): See if it the function is reachable or referenced.
2889         (output_cgraph): Update call of lto_output_node.
2890         * lto-streamer.h (reachable_from_other_partition_p): Declare.
2891
2892 2010-05-11  Jan Hubicka  <jh@suse.cz>
2893
2894         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
2895         Mark as used.
2896
2897 2010-05-11  Jan Hubicka  <jh@suse.cz>
2898
2899         PR tree-optimize/44063
2900         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
2901         queue.
2902         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
2903         limits.
2904         (estimate_function_body_sizes): Compute sizes even when disregarding.
2905
2906 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
2907
2908         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
2909
2910 2010-05-11  Jan Hubicka  <jh@suse.cz>
2911
2912         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
2913         into every boundary.
2914
2915 2010-05-11  Jan Hubicka  <jh@suse.cz>
2916
2917         * matrix-reorg.c (matrix_reorg): Rebuild edges.
2918
2919 2010-05-11  Jan Hubicka  <jh@suse.cz>
2920
2921         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
2922         lto_streamer_cache_delete): Put nodes into heap.
2923         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
2924         heap.
2925
2926 2010-05-11  Jan Hubicka  <jh@suse.cz>
2927
2928         * cgraphbuild.c (cgraph_rebuild_references): New.
2929         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
2930         out extern inlines.
2931         * cgraph.h (cgraph_rebuild_references): Declare.
2932         * tree-inline.c (tree_function_versioning): Use it.
2933         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
2934
2935 2010-05-11  Jan Hubicka  <jh@suse.cz>
2936
2937         * cgraph.c: Include ipa-utils.h
2938         (cgraph_create_virtual_clone): Update references.
2939         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
2940
2941 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2942
2943         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
2944         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
2945         cache size.
2946
2947 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
2948
2949         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
2950
2951 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2952
2953         * gcc.c (execute): For -### don't quote arguments that
2954         contain just alphanumerics and _/-. characters.
2955         * doc/invoke.texi: Document that change for -###.
2956
2957         PR debug/44023
2958         * df-problems.c (struct dead_debug): Add to_rescan field.
2959         (dead_debug_init): Clear to_rescan field.
2960         (dead_debug_finish): Rescan all debug insns in to_rescan
2961         bitmap and free the bitmap.
2962         (dead_debug_insert_before): Instead of rescanning debug insns
2963         immediately queue their rescanning until dead_debug_finish.
2964         (df_note_bb_compute): After dead_debug_add do continue instead
2965         of break.
2966
2967 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR debug/44028
2970         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
2971         clear also INSN_REG_USE_LIST.
2972
2973 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2974
2975         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
2976
2977 2010-05-10  Jan Hubicka  <jh@suse.cz>
2978
2979         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
2980         commited change.
2981
2982 2010-05-10  Jan Hubicka  <jh@suse.cz>
2983
2984         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
2985         Allocate encoders.
2986         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
2987         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
2988         (lto_streamer_cache_create): Init alloc pool.
2989         (lto_streamer_cache_delete): Free alloc pool.
2990         * lto-streamer.h: Include alloc pool.
2991         (lto_streamer_cache_d): Use alloc pool.
2992         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
2993
2994 2010-05-10  Jan Hubicka  <jh@suse.cz>
2995
2996         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
2997         * cgraphbuild.c: Include except.h
2998         (record_type_list, record_eh_tables): New function.
2999         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
3000
3001 2010-05-10  Jan Hubicka  <jh@suse.cz>
3002
3003         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
3004         __frame_dummy_init_array_entry, force_to_data): Attribute as used
3005         rather than unused.
3006
3007 2010-05-10  Michael Matz  <matz@suse.de>
3008
3009         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
3010         (can_reassociate_p): Use FLOAT_TYPE_P.
3011         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
3012         (vect_force_simple_reduction): ... this.
3013         * tree-parloops.c (gather_scalar_reductions): Use
3014         vect_force_simple_reduction.
3015         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
3016         vect_is_simple_reduction, add modify argument, if true rewrite
3017         "a-b" into "a+(-b)".
3018         (vect_is_simple_reduction, vect_force_simple_reduction): New
3019         functions.
3020         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
3021
3022 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
3023             Vladimir Makarov  <vmakarov@redhat.com>
3024
3025         PR rtl-optimization/44012
3026         * ira-build.c (remove_unnecessary_allocnos): Nullify
3027         regno_allocno_map of the removed allocno.
3028
3029 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3030
3031         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
3032         to /dev/null.
3033         * configure: Regenerate.
3034
3035 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3036
3037         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
3038         unused.
3039         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
3040         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
3041         support in Sun ld.
3042         * configure: Regenerate.
3043
3044 2010-05-10  Richard Guenther  <rguenther@suse.de>
3045
3046         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
3047         marked if the entry identifier is marked.
3048
3049 2010-05-10  Richard Guenther  <rguenther@suse.de>
3050
3051         * c-common.c (struct c_common_attributes): Add fnspec attribute.
3052         (handle_fnspec_attribute): New function.
3053         * gimple.h (gimple_call_return_flags): Declare.
3054         (gimple_call_arg_flags): Likewise.
3055         * gimple.c (gimple_call_arg_flags): New function.
3056         (gimple_call_return_flags): Likewise.
3057         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
3058         New argument flags.
3059         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
3060         return value flags.
3061         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
3062         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
3063         main work to ...
3064         (make_heapvar_for): ... this new function.
3065         (handle_rhs_call): Handle fnspec attribute argument specifiers.
3066         (handle_lhs_call): Likewise.
3067         (find_func_aliases): Adjust.
3068
3069 2010-05-10  Richard Guenther  <rguenther@suse.de>
3070
3071         PR tree-optimization/44050
3072         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
3073
3074 2010-05-10  Wei Guozhi  <carrot@google.com>
3075
3076         PR target/42879
3077         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
3078
3079 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
3080
3081         PR c/10676
3082         * c-typeck.c (lookup_field): Take a type directly.  Update
3083         recursive calls.
3084         (build_component_ref): Update call to lookup_field.
3085         (set_init_label): Use lookup_field to find initialized field.
3086         Handle returned list of fields like a sequence of designators.
3087
3088 2010-05-09  Richard Guenther  <rguenther@suse.de>
3089
3090         PR middle-end/44024
3091         * fold-const.c (tree_single_nonzero_warnv_p): Properly
3092         handle &FUNCTION_DECL.
3093
3094 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
3095
3096         PR c/4784
3097         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
3098         structures and unions recursively.
3099         (detect_field_duplicates): Move duplicate detection with a hash to
3100         detect_field_duplicates_hash.  Always use a hash if anonymous
3101         structures or unions are present.
3102         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
3103         give errors.
3104
3105 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
3106
3107         PR target/44046
3108         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
3109         detect Atom, Core 2 and Core i7.
3110
3111 2010-05-09  Richard Guenther  <rguenther@suse.de>
3112
3113         * gcc.c (store_arg): Handle temporary file deletion for
3114         joined arguments.
3115
3116 2010-05-09  Richard Guenther  <rguenther@suse.de>
3117
3118         PR middle-end/44043
3119         * ipa-inline.c (estimate_function_body_sizes): Return after
3120         disregarding inline limits.
3121
3122 2010-05-09  Richard Guenther  <rguenther@suse.de>
3123
3124         * gcc.c (store_arg): Revert last change.
3125
3126 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
3127
3128         PR middle-end/28685
3129         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
3130         (optimize_ops_list): Call it.
3131
3132 2010-05-08  Richard Guenther  <rguenther@suse.de>
3133
3134         PR tree-optimization/44030
3135         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
3136         NECESSARY flag if we propagate from a inserted expression.
3137
3138 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
3139
3140         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
3141         domain types as equal if they are both PLACEHOLDER_EXPRs.
3142
3143 2010-05-08  Richard Guenther  <rguenther@suse.de>
3144
3145         * lto-wrapper.c (run_gcc): Remove linker output from
3146         command line for LTRANS invocation.
3147
3148 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3149
3150         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
3151         lto-macho as lto_binary_reader.
3152         * target.h (struct gcc_target): New hooks lto_start and lto_end.
3153         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
3154         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
3155         in lto_start and lto_end calls.
3156         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
3157         magic numbers.
3158         (scan_prog_file): Update is_elf_or_coff call.
3159         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
3160
3161         * collect2.c (main): Fix enum comparison.
3162
3163         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
3164         Add prototypes.
3165         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
3166         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
3167         and TARGET_ASM_LTO_END.
3168         * darwin.c: Include obstack.h and lto-streamer.h.
3169         (lto_section_names_offset, lto_section_names_obstack,
3170         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
3171         global variables.
3172         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
3173         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
3174         to a temporary file.
3175         (darwin_asm_lto_end): New function.  Restore asm_out_file.
3176         (darwin_asm_named_section): For LTO sections, replace the name with
3177         the offset of the section name in a string table, and build this
3178         table.
3179         (darwin_file_start): Initialize global vars for LTO support.
3180         (darwin_file_end): If output to asm_out_file was redirected, append it
3181         to the proper asm_out_file here.  Add the section names section.
3182
3183 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
3184
3185         * c-pragma.c (pending_weak_d, pending_weak): New.
3186         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
3187         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
3188         handle_pragma_weak): Update the uses of pending_weaks.
3189
3190 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3191
3192         PR documentation/44016
3193         * doc/standards.texi (Standards): Link to unversioned
3194         cxx0x_status.html page.
3195
3196 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
3197
3198         PR target/43708
3199         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
3200         in addition to TREE_USED, to avoid "set but unused" warnings.
3201
3202 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
3203
3204         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
3205         (is_loop_prefetching_profitable): Do not insert prefetches
3206         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
3207         times the prefetch ahead distance.
3208
3209 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
3210
3211         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
3212         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
3213         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
3214         the unroll_factor.
3215
3216 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
3217
3218         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
3219         a diagnostic info when the insn-to-mem ratio is too small.
3220
3221 2010-05-07  Richard Guenther <rguenther@suse.de>
3222
3223         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
3224         the linker plugin.
3225         (store_arg): Queue temp_filename for deletion instead of
3226         the whole argument.
3227
3228 2010-05-07  Richard Guenther  <rguenther@suse.de>
3229
3230         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
3231         (run_gcc): Handle LTRANS phase invocation.
3232         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
3233
3234 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
3235
3236         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
3237         this is also meaningful on PARM_DECLs and RESULT_DECLs.
3238
3239 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3240
3241         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
3242
3243 2010-05-07  Richard Guenther  <rguenther@suse.de>
3244
3245         PR tree-optimization/44020
3246         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
3247         code when PRE is not yet initialized.
3248
3249 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3250
3251         * config/mips/dbxmdebug.h: Remove.
3252         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
3253
3254 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
3255
3256         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
3257         with null pointer and also warn about ordered comparison of zero with
3258         pointer if -Wextra.
3259
3260 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
3261
3262         * graphite-blocking.c
3263         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
3264         * graphite-clast-to-gimple.c
3265         (clast_to_gcc_expression): Same.
3266         (precision_for_value): Same.
3267         (precision_for_interval): Same.
3268         (gcc_type_for_interval): Same.
3269         (graphite_create_new_guard): Same.
3270         (compute_bounds_for_level): Same.
3271         (graphite_create_new_loop_guard): Same.
3272         * graphite-interchange.c
3273         (build_linearized_memory_access): Same.
3274         (pdr_stride_in_loop): Same.
3275         (memory_strides_in_loop_1): Same.
3276         (memory_strides_in_loop): Same.
3277         (extend_scattering): Same.
3278         (psct_scattering_dim_for_loop_depth): Same.
3279         (pbb_number_of_iterations): Same.
3280         * graphite-poly.h
3281         (debug_iteration_domains): Same.
3282         * graphite-ppl.c
3283         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
3284         (ppl_set_inhomogeneous_gmp): Same.
3285         (ppl_strip_loop): Same.
3286         (ppl_lexico_compare_linear_expressions): Same.
3287         (ppl_read_polyhedron_matrix): Same.
3288         (ppl_max_for_le_pointset): Same.
3289         * graphite-ppl.h
3290         (ppl_read_polyhedron_matrix): Same.
3291         (tree_int_to_gmp): Same.
3292         (gmp_cst_to_tree): Same.
3293         (ppl_set_inhomogeneous): Same.
3294         (ppl_set_inhomogeneous_tree): Same.
3295         (ppl_set_coef): Same.
3296         (ppl_set_coef_tree): Same.
3297         * graphite-sese-to-poly.c
3298         (build_pbb_scattering_polyhedrons): Same.
3299         (build_scop_scattering): Same.
3300         (scan_tree_for_params_right_scev): Same.
3301         (scan_tree_for_params): Same.
3302         (find_params_in_bb): Same.
3303         (find_scop_parameters): Same.
3304         (add_upper_bounds_from_estimated_nit): Same.
3305         (build_loop_iteration_domains): Same.
3306         (add_condition_to_domain): Same.
3307         (pdr_add_memory_accesses): Same.
3308
3309 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
3310
3311         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
3312         CLooG's value_* macros to their respective mpz_* counterparts.
3313         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
3314         (graphite_create_new_loop_guard): Same.
3315         * graphite-interchange.c (build_linearized_memory_access): Same.
3316         (pdr_stride_in_loop): Same.
3317         (memory_strides_in_loop_1): Same.
3318         (1st_interchange_profitable_p): Same.
3319         * graphite-poly.c (extend_scattering): Same.
3320         (psct_scattering_dim_for_loop_depth): Same.
3321         (pbb_number_of_iterations): Same.
3322         (pbb_number_of_iterations_at_time): Same.
3323         * graphite-poly.h (new_1st_loop): Same.
3324         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
3325         (oppose_constraint): Same.
3326         (insert_constraint_into_matrix): Same.
3327         (ppl_set_inhomogeneous_gmp): Same.
3328         (ppl_set_coef_gmp): Same.
3329         (ppl_strip_loop): Same.
3330         (ppl_lexico_compare_linear_expressions): Same.
3331         (ppl_max_for_le_pointset): Same.
3332         (ppl_min_for_le_pointset): Same.
3333         (ppl_build_realtion): Same.
3334         * graphite-ppl.h (gmp_cst_to_tree): Same.
3335         (ppl_set_inhomogeneous): Same.
3336         (ppl_set_inhomogeneous_tree): Same.
3337         (ppl_set_coef): Same.
3338         (ppl_set_coef_tree): Same.
3339         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
3340         (build_scop_scattering): Same.
3341         (add_value_to_dim): Same.
3342         (scan_tree_for_params_right_scev): Same.
3343         (scan_tree_for_params_int): Same.
3344         (scan_tree_for_params): Same.
3345         (find_params_in_bb): Same.
3346         (find_scop_parameters): Same.
3347         (add_upper_bounds_from_estimated_nit): Same.
3348         (build_loop_iteration_domains): Same.
3349         (create_linear_expr_from_tree): Same.
3350         (add_condition_to_domain): Same.
3351         (pdr_add_memory_accesses): Same.
3352
3353 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
3354             Jason Merrill  <jason@redhat.com>
3355
3356         * c-common.c (c_common_reswords): Add nullptr.
3357         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
3358         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
3359         (gen_type_die_with_usage): Likewise.
3360         * dbxout.c (dbxout_type): Likewise.
3361         * sdbout.c (plain_type_1): Likewise.
3362
3363 2010-05-06  Jason Merrill  <jason@redhat.com>
3364
3365         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
3366         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
3367         ret appropriately.
3368         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
3369
3370         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
3371         stripping WITH_SIZE_EXPR.
3372         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
3373         change.
3374
3375 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3376
3377         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
3378         list of obsolete configurations.
3379         Disabled check for obsolete configurations.
3380         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
3381         Removed support for previous versions.
3382         * config/mips/iris.h: Removed.
3383         * config/mips/iris5.h: Removed.
3384         * config/mips/iris6.h: Merged old iris.h contents.
3385         (TARGET_IRIX): Removed.
3386         (DRIVER_SELF_SPECS): Removed mabi=32.
3387         (IDENT_ASM_OP): Removed undef.
3388         (STARTFILE_SPEC): Removed mabi=32.
3389         (ENDFILE_SPEC): Likewise.
3390         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
3391         (MACHINE_TYPE): Update for IRIX 6.5.
3392         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
3393         TARGET_IRIX by TARGET_IRIX6.
3394         (mips_file_start): Likewise.
3395         (mips_output_external): Remove IRIX 5/6 O32 support.
3396         (mips_output_function_prologue): Likewise.
3397         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
3398         TARGET_IRIX6.
3399         (TARGET_CPU_CPP_BUILTINS): Likewise.
3400         (TARGET_IRIX): Removed.
3401         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
3402         (MULTILIB_DIRNAMES): Removed 32.
3403         (MULTILIB_OSDIRNAMES): Removed ../lib.
3404         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
3405         (Specific, mips-sgi-irix5): Document removal.
3406         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
3407         Remove references to older IRIX 6 releases and the O32 ABI.
3408
3409 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR bootstrap/43994
3412         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
3413         instead of DF_REF_REAL_REG.
3414
3415 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
3416
3417         PR target/43888
3418         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
3419         handling to still return true for x64 targets.
3420
3421 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3422
3423         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
3424
3425 2010-05-06  Jan Hubicka  <jh@suse.cz>
3426
3427         PR tree-optimization/43791
3428         * ipa-inline.c (update_caller_keys): Remove bogus
3429         disregard_inline_limits check.
3430
3431 2010-05-06  Michael Matz  <matz@suse.de>
3432
3433         PR tree-optimization/43984
3434         * tree-ssa-pre.c (inserted_phi_names): Remove.
3435         (inserted_exprs): Change to bitmap.
3436         (create_expression_by_pieces): Set bits, don't append to vector.
3437         (insert_into_preds_of_block): Don't handle inserted_phi_names.
3438         (eliminate): Don't look at inserted_phi_names, remove deleted
3439         insns from inserted_exprs.
3440         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
3441         (init_pre, fini_pre): Allocate and free bitmaps.
3442         (execute_pre): Insert insns on edges before elimination.
3443
3444 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3445
3446         * tree.c (initializer_zerop): Handle STRING_CST.
3447
3448 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3449
3450         PR 40989
3451         * doc/invoke.texi (Wimplicit): Document as C only.
3452         * opts.c (common_handle_option): Add argument kind.
3453         (handle_option): Rename as read_cmdline_option. Factor out code to...
3454         (handle_option): ... here. New.
3455         (handle_options): Rename as read_cmdline_options.
3456         (decode_options): Update call.
3457         (set_option): Use option index instead of option pointer. Classify
3458         diagnostics correctly.
3459         (enable_warning_as_error): Call handle_option.
3460         * opts.h (set_option): Update declaration.
3461         (handle_option): Declare.
3462         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
3463         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
3464         * c-opts.c (set_Wimplicit): Delete.
3465         (c_family_lang_mask): New static constant.
3466         (c_common_handle_option): Add argument kind. Use handle_option
3467         instead of set_Wimplicit.
3468         (c_common_post_options): warn_implicit and warn_implicit_int
3469         are disabled by default.
3470         * c-common.c (warn_implicit): Do not define here.
3471         * c-common.h (warn_implicit): Do not declare here.
3472         (c_common_handle_option): Update declaration.
3473         * lto-opts.c (lto_reissue_options): Update call to set_option.
3474
3475 2010-05-06  Richard Guenther  <rguenther@suse.de>
3476
3477         PR tree-optimization/43571
3478         * domwalk.c (walk_dominator_tree): Walk the dominator
3479         sons in more optimal order.
3480
3481 2010-05-06  Richard Guenther  <rguenther@suse.de>
3482
3483         PR tree-optimization/43934
3484         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
3485         (stmt_cost): Likewise.
3486         (extract_true_false_args_from_phi): New helper.
3487         (determine_max_movement): For PHI nodes verify we can hoist them
3488         and compute their cost.
3489         (determine_invariantness_stmt): Handle PHI nodes.
3490         (move_computations_stmt): Likewise.  Hoist PHI nodes in
3491         if-converted form using COND_EXPRs.
3492         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
3493         (tree_ssa_lim): Likewise.
3494         * tree-flow.h (tree_ssa_lim): Adjust prototype.
3495         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
3496
3497 2010-05-06  Richard Guenther  <rguenther@suse.de>
3498
3499         PR tree-optimization/43987
3500         * tree-ssa-structalias.c (could_have_pointers): For possibly
3501         address-taken variables force pointers to be recorded.
3502         (create_variable_info_for_1): Likewise.
3503         (push_fields_onto_fieldstack): Pass in wheter all fields
3504         must have pointers.
3505         (find_func_aliases): Query types instead of vars whether
3506         they contain pointers where appropriate.
3507
3508 2010-05-06  Jan Hubicka  <jh@suse.cz>
3509
3510         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
3511         (record_reference, mark_address, mark_load, mark_store): Record
3512         references.
3513         (record_references_in_initializer): Update call of record_references.
3514         (rebuild_cgraph_edges): Remove all references before rebuiding.
3515         * cgraph.c (cgraph_create_node): Clear ref list.
3516         (cgraph_remove_node): Remove references.
3517         (dump_cgraph_node): Dump references.
3518         (cgraph_clone_node): Clone references.
3519         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
3520         (struct cgraph_node, varpool_node): Add ref_lst.
3521         * ipa-ref.c: New file.
3522         * ipa-ref.h: New file.
3523         * ipa-ref-inline.h: New file.
3524         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
3525         (referenced_from_other_partition_p): New function.
3526         (lto_output_varpool_node): Take set arugment; call
3527         referenced_from_other_partition.
3528         (lto_output_ref): New.
3529         (add_references): New.
3530         (output_refs): New.
3531         (output_cgraph): Compute boundary based on references; output refs.
3532         (output_varpool): Accept cgraph_node_set argument.
3533         (input_ref): New.
3534         (input_refs): New.
3535         (input_cgraph): Call input_refs.
3536         * lto-section-in.c (lto_section_name): Add refs.
3537         * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
3538         (ipa-ref.o): New file.
3539         * varpool.c (varpool_node): Clear ipa ref list.
3540         (varpool_remove_node): Remove references.
3541         (dump_varpool_node): Dump references.
3542         (varpool_assemble_decl): Only compile finalized ones.
3543         (varpool_extra_name_alias): Initialize ref list.
3544         * lto-streamer.c (lto-get_section_name): Add .refs section.
3545         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
3546         (referenced_from_other_partition_p): Declared.
3547
3548 2010-05-06  Ira Rosen  <irar@il.ibm.com>
3549
3550         PR tree-optimization/43901
3551         * tree-vect-stmts.c (vectorizable_call): Assert that vector
3552         type is not NULL if it's transformation phase, and return
3553         FALSE if it's analysis.
3554         (vectorizable_conversion, vectorizable_operation,
3555         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
3556
3557 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
3558
3559         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
3560         Delete.
3561         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
3562         New define.
3563         * config/mips/mips-protos.h
3564         (mips_small_register_classes_for_mode_p): Delete prototype.
3565
3566 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
3567
3568         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
3569         * config/arm/arm.c (multiple_operation_profitable_p,
3570         compute_offset_order): New static functions.
3571         (load_multiple_sequence, store_multiple_sequence): Use them.
3572         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
3573         memory offsets, not register numbers.
3574         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
3575
3576 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
3577
3578         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
3579         (get_pending_sizes, put_pending_size, put_pending_sizes):
3580         Update the uses of pending_sizes.
3581         * c-decl.c (store_parm_decls): Likewise.
3582         * c-tree.h (struct c_arg_info): Likewise.
3583         * tree.h: Update the prototype for get_pending_sizes and
3584         put_pending_sizes.
3585
3586 2010-05-05  Jason Merrill  <jason@redhat.com>
3587
3588         PR debug/43370
3589         * c-common.c (handle_aligned_attribute): Respect
3590         ATTR_FLAG_TYPE_IN_PLACE.
3591
3592         PR testsuite/43758
3593         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
3594         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
3595         (TARGET_INITIALIZER): Use it.
3596         * c-common.c (attribute_takes_identifier_p): Call it.
3597         * c-common.h: Update prototype.
3598         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
3599         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
3600
3601 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
3602
3603         PR debug/43950
3604         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
3605         DW_ID_down_case for Fortran compilation units.
3606
3607 2010-05-05  Jan Hubicka  <jh@suse.cz>
3608
3609         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
3610         handle aliases.
3611
3612 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
3613
3614         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
3615         a variable-sized RESULT_DECL.
3616
3617 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
3618
3619         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
3620
3621 2010-05-05  Jason Merrill  <jason@redhat.com>
3622
3623         PR c++/43787
3624         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
3625         returns GS_OK.
3626         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
3627
3628 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
3629             Jakub Jelinek  <jakub@redhat.com>
3630
3631         PR debug/43478
3632         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
3633         (dead_debug_init, dead_debug_finish): New functions.
3634         (dead_debug_add, dead_debug_insert_before): Likewise.
3635         (df_note_bb_compute): Initialize a dead_debug object, add dead
3636         debug uses to it, insert debug bind insns before death insns,
3637         reset debug insns that refer to pending uses at the end.
3638         * rtl.h (make_debug_expr_from_rtl): New prototype.
3639         * varasm.c (make_debug_expr_from_rtl): New function.
3640
3641 2010-05-05  Jan Hubicka  <jh@suse.cz>
3642
3643         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
3644         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
3645         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
3646         lto_varpool_encoder_deref, lto_varpool_encoder_size,
3647         lto_varpool_encoder_encode_initializer_p,
3648         lto_set_varpool_encoder_encode_initializer): New functions.
3649         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
3650         call output_varpool.
3651         (input_varpool_node): Do not always set analyzed.
3652         (input_cgraph_1): Return vector of cgraph nodes.
3653         (input_varpool_1): Return vector of varpools.
3654         (input_cgraph): Free the vectors.
3655         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
3656         output only initializers needed.
3657         (lto_output): Only call output_cgraph.
3658         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
3659         * lto-section-out.c (lto_new_out_decl_state): Initialize
3660         state->varpool_node_encoder.
3661         * lto-streamer.h (lto_varpool_encoder_d): New.
3662         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
3663         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
3664         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
3665         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
3666         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
3667         Declare.
3668         (output_varpool, input_varpool): Remove declarations.
3669
3670 2010-05-05  Jan Hubicka  <jh@suse.cz>
3671
3672         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
3673         with body can prevail.
3674
3675 2010-05-05  Jan Hubicka  <jh@suse.cz>
3676
3677         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
3678         size.
3679
3680 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3681
3682         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
3683
3684         * gengtype.h (erro_at_line): Constify pos argument.
3685
3686         * gengtype.c: Include hashtab.h.
3687         (enum gc_used): Document GC_MAYBE_POINTED_TO.
3688         (error_at_line): Constify pos argument.
3689         (do_typedef): Initialize p->opt field.
3690         (get_file_gtfilename): Fix comment typo.
3691         (struct walk_type_data): Constify line field.
3692         (get_output_file_for_structure): New function.
3693         (write_local_func_for_structure): Constify orig_s argument.
3694         Use get_output_file_for_structure.
3695         (write_func_for_structure): Use get_output_file_for_structure.
3696         (INDENT): New define.
3697         (dump_pair, dump_type, dump_type_list, dump_typekind)
3698         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
3699         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
3700         functions.
3701         (seen_types): New variable.
3702         (main): New variable do_dump.  Process "-d" command line option.
3703         Call dump_everything if dump requested.
3704
3705 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
3706
3707         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
3708         in a temporary instead of invoking the macro multiple times.
3709         (track_expr_p): Likewise.
3710
3711 2010-05-04  Neil Vachharajani <nvachhar@google.com>
3712
3713         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
3714         per new semantics.
3715         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
3716         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
3717         conditions for printing notes.
3718         * common.opt (-Wcoverage-mismatch): Allow negative, default to
3719         true, update documentation.
3720         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
3721
3722 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
3723
3724         PR c/43981
3725         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
3726         on dimen.
3727
3728 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3729
3730         PR target/43799
3731         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
3732         (*sse_prologue_save_insn1): Likewise.
3733         (SSE prologue save splitter): Likewise.
3734
3735 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
3736
3737         * tree.c (free_lang_data_in_one_sizepos): New inline function.
3738         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
3739         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
3740         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
3741         all decls.  Call it on DECL_FIELD_OFFSET of fields.
3742         (find_decls_types_r): Follow DECL_VALUE_EXPR.
3743         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
3744
3745 2010-05-04  Martin Jambor  <mjambor@suse.cz>
3746
3747         * tree-sra.c (build_access_from_expr_1): The first parameter type
3748         changed to simple tree.
3749         (build_access_from_expr): Likewise, gsi parameter was eliminated.
3750         (scan_assign_result): Renamed to assignment_mod_result, enum elements
3751         renamed as well.
3752         (build_accesses_from_assign): Removed all parameters except for a
3753         simple gimple statement.  Now returns a simple bool.
3754         (scan_function): All non-analysis parts moved to separate functions
3755         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
3756         parameters and updated both callers.
3757         (sra_modify_expr): Removed parameter data.
3758         (sra_modify_function_body): New function.
3759         (perform_intra_sra): Call sra_modify_function_body to modify the
3760         function body.
3761         (replace_removed_params_ssa_names): Parameter data changed into
3762         adjustments vector.
3763         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
3764         changed the parameter dont_convert to convert with the opposite
3765         meaning.
3766         (sra_ipa_modify_assign): Parameter data changed into adjustments
3767         vector, return value changed to bool.
3768         (ipa_sra_modify_function_body): New function.
3769         (sra_ipa_reset_debug_stmts): Updated a comment.
3770         (modify_function): Use ipa_sra_modify_function_body to modify function
3771         body.
3772
3773 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3774
3775         PR middle-end/43671
3776         * alias.c (true_dependence): Handle the same VALUE in x and mem.
3777         (canon_true_dependence): Likewise.
3778         (write_dependence_p): Likewise.
3779
3780 2010-05-04  Jan Hubicka  <jh@suse.cz>
3781
3782         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
3783         * cgraphbuild.c: Include ipa-utils.h
3784         (record_reference_ctx): New struct.
3785         (record_reference): Simplify to work on initializers; not statements.
3786         (mark_address, mark_load, mark_store): New.
3787         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3788         walk PHI nodes too.
3789         (record_references_in_initializer): Update use of record_reference.
3790         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
3791         walk PHI nodes too.
3792
3793 2010-05-04  Jan Hubicka  <jh@suse.cz>
3794
3795         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
3796         node will be removed anyway.
3797         (lto_varpool_replace_node): Allow also unanalyzed nodes;
3798         relink aliases of node into prevailing node.
3799         * varpool.c (varpool_remove_node): Remove aliases properly;
3800         when removing node, remove all its aliases too; remove DECL_INITIAL
3801         of removed node; ggc_free the varpool node.
3802
3803 2010-05-04  Richard Guenther  <rguenther@suse.de>
3804
3805         PR tree-optimization/43879
3806         * tree-ssa-structalias.c (alias_get_name): Use
3807         DECL_ASSEMBLER_NAME if available.
3808         (create_function_info_for): Return the varinfo node.
3809         (ipa_pta_execute): Associate same-body aliases and extra names
3810         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
3811
3812 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
3813
3814         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
3815
3816 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
3817
3818         PR bootstrap/43964
3819         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
3820         only if HONOR_REG_ALLOC_ORDER is not defined.
3821
3822 2010-05-04  Richard Guenther  <rguenther@suse.de>
3823
3824         PR tree-optimization/43949
3825         * tree-vrp.c (extract_range_from_binary_expr): Only handle
3826         TRUNC_MOD_EXPR.
3827
3828 2010-04-26  Jason Merrill  <jason@redhat.com>
3829
3830         * c.opt (-fstrict-enums): New.
3831         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
3832
3833 2010-05-03  David Ung <davidu@mips.com>
3834             James E. Wilson  <wilson@codesourcery.com>
3835
3836         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
3837         emit the trap instruction before the divide for TUNE_74K.
3838
3839 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
3840
3841         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
3842         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
3843         based on the above, for new target hook.
3844
3845         * hooks.c (hook_bool_mode_true): New generic hook.
3846         * hooks.h (hook_bool_mode_true): Add prototype.
3847
3848         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
3849         target hook.
3850         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
3851         target hook, set to hook_bool_mode_false.
3852         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
3853         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
3854         with targetm.small_register_classes_for_mode_p.
3855         (find_reusable_reload): Likewise.
3856         (combine_reloads): Likewise.
3857         * reload1.c (reload_as_needed): Likewise.
3858         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
3859         * ifcvt.c (noce_process_if_block, check_cond_move_block,
3860         dead_or_predicable): Likewise.
3861         * regmove.c (optimize_reg_copy_1): Likewise.
3862         * calls.c (prepare_call_address): Likewise.
3863         (precompute_register_parameters): Likewise.
3864
3865         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
3866         hook definition.
3867         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
3868         implementation of the hook that considers all register classes
3869         small except for SH64.
3870         (sh_override_options): Use the new hook.
3871         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
3872         Add prototype.
3873
3874         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
3875         hook definition.
3876         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
3877         implementation of the hook that considers all register classes
3878         small for THUMB1.
3879         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
3880         Add prototype.
3881
3882         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
3883         hook definition.
3884         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
3885         implementation of the hook that considers all register classes
3886         small for MIPS16.
3887         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
3888         Add prototype.
3889
3890         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
3891         hook definition.
3892         * config/m32c/m32c.h: Likewise.
3893         * config/pdp11/pdp11.h: Likewise.
3894         * config/avr/avr.h: Likewise.
3895         * config/xtensa/xtensa.h: Likewise.
3896         * config/m68hc11/m68hc11.h: Likewise.
3897         * config/mn10300/mn10300.h: Likewise.
3898         * config/mcore/mcore.h: Likewise.
3899         * config/h8300/h8300.h: Likewise.
3900         * config/bfin/bfin.h: Likewise.
3901
3902         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
3903         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
3904
3905 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
3906
3907         * double-int.h (tree_to_double_int): Remove macro.
3908         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
3909         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3910         (tree_to_double_int): New function.
3911         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
3912         Move ...
3913         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
3914
3915 2010-05-03  Richard Guenther  <rguenther@suse.de>
3916
3917         PR tree-optimization/43971
3918         * tree-ssa-structalias.c (get_constraint_for_1): Fix
3919         constraints in the !flag_delete_null_pointer_checks case.
3920
3921 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
3922
3923         PR debug/43972
3924         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
3925         result mode matches original rtl mode.
3926
3927 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
3928
3929         PR target/43888
3930         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
3931
3932 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3933
3934         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
3935         when processing flag options.
3936
3937 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3938
3939         * gcov-iov.c (main): Change format string placeholder
3940         from %#08x to 0x%08x.
3941         * genchecksum.c (dosum): Change format string placeholder
3942         from %#02x to 0x%02x.
3943
3944 2010-05-02  Richard Guenther  <rguenther@suse.de>
3945
3946         PR tree-optimization/43879
3947         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
3948
3949 2010-05-02  Bruno Haible  <bruno@clisp.org>
3950
3951         * doc/extend.texi (Function Attributes): Fix a typo.
3952
3953 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3954
3955         Revert:
3956         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
3957         placeholder from 0x%x to %#x.
3958         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3959         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
3960         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
3961         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
3962         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
3963         * config/i386/i386.c (ix86_target_string): Ditto.
3964         * config/i386/i386.c (output_pic_addr_const): Ditto.
3965         (print_operand): Ditto.
3966
3967 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
3968
3969         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
3970         placeholder from 0x%x to %#x.
3971         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
3972         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
3973         (ASM_OUTPUT_DEBUG_DATA): Ditto.
3974         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
3975         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
3976         * optc-gen.awk: Ditto.
3977         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
3978         (HOST_WIDE_INT_PRINT_HEX): Ditto.
3979         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
3980         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
3981
3982 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
3983
3984         * target.h (struct calls): Add function_value_regno_p field.
3985         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
3986         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
3987         * targhooks.c (default_function_value_regno_p): New function.
3988         * targhooks.h (default_function_value_regno_p): Declare function.
3989         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
3990         * builtins.c. (apply_result_size): (Ditto.).
3991         * combine.c. (likely_spilled_retval_p): (Ditto.).
3992         * mode-switching.c. Include 'target.h'.
3993         (create_pre_exit): Use function_value_regno_p hook.
3994         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
3995         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
3996         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
3997
3998         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
3999         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
4000         (ix86_function_value_regno_p): Declare as static, change argument
4001         type to const unsigned int.
4002         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
4003
4004 2010-05-01  Richard Guenther  <rguenther@suse.de>
4005
4006         PR tree-optimization/43949
4007         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
4008         types.
4009         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
4010
4011 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
4012
4013         * rtl.h (CONST_DOUBLE_P): Define.
4014         (rtx_to_double_int): Declare.
4015         * emit-rtl.c (rtx_to_double_int): New function.
4016         * dwarf2out.c (insert_double): New function.
4017         (loc_descriptor, add_const_value_attribute): Clean up, use
4018         rtx_to_double_int and insert_double functions.
4019
4020 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
4021
4022         * doc/extend.texi (Inline): Add missing return keyword to examples.
4023         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
4024         "command-line".
4025
4026 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
4027
4028         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
4029         the variable part of the offset as well.  Use highest_pow2_factor for
4030         all alignment checks.
4031
4032 2010-04-30  Richard Guenther  <rguenther@suse.de>
4033
4034         PR tree-optimization/43879
4035         * tree-ssa-structalias.c (type_could_have_pointers): Functions
4036         can have pointers.
4037
4038 2010-04-30  Jan Hubicka  <jh@suse.cz>
4039
4040         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
4041         varpool.
4042         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
4043
4044 2010-04-30  Jan Hubicka  <jh@suse.cz>
4045
4046         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
4047         New.
4048         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
4049         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
4050         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
4051         cgraph_node_set_needs_ltrans_p): Remove.
4052
4053 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
4054
4055         * sdbout.c: Include vec.h, do not include varray.h.
4056         (deferred_global_decls, sdbout_global_decl,
4057         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
4058         * toplev.c: Do not include varray.h.
4059         (dump_memory_report): Do not dump VARRAY statistics.
4060         * gengtype.c (open_base_file): Ignore varray.h.
4061         * Makefile.in: Update for abovementioned changes.
4062         Remove all traces of varray.c and varray.h.
4063         * varray.c: Remove file.
4064         * varray.h: Remove file.
4065
4066 2010-04-30  Jan Hubicka  <jh@suse.cz>
4067
4068         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
4069         references.
4070
4071 2010-04-30  Jan Hubicka  <jh@suse.cz>
4072
4073         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
4074         needed.
4075
4076 2010-04-30  Richard Guenther  <rguenther@suse.de>
4077
4078         * tree-ssa-structalias.c (get_constraint_for_1): Generate
4079         constraints for CONSTRUCTOR.
4080
4081 2010-04-30  Richard Guenther  <rguenther@suse.de>
4082
4083         PR lto/43946
4084         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
4085         first after all lowering passes.
4086
4087 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
4088
4089         * toplev.c: Include varray.h for statistics dumping.
4090         * tree.h: Do not declare varray_head_tag.
4091         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
4092         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
4093         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
4094         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
4095         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
4096         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
4097         c-common.c, c-common.h, reg-stack.c, basic-block.h,
4098         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
4099         include varray.h.
4100         * Makefile.in: Update for abovementioned changes.
4101
4102 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
4103
4104         PR debug/43942
4105         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
4106
4107 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
4108
4109         * config/picochip/picochip.c (picochip_legitimize_address): Define.
4110         Use this function to do machine-specific conversion.
4111         (picochip_legitimize_reload_address): Likewise.
4112         (picochip_legitimate_address_p): Check valid base register only if
4113         strict.
4114         (picochip_check_conditional_copy): Check for modw only if opnd is
4115         register.
4116         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
4117         to call the function in c.
4118         * config/picochip/picochip-protos.h
4119         (picochip_legitimize_reload_address): Define.
4120         * config/picochip/picochip.md (supported_compare1): Define.
4121
4122 2010-04-30  Jan Hubicka  <jh@suse.cz>
4123
4124         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
4125         (cgraph_global_info): Remove inlined.
4126         (LTO_cgraph_tag_names): Remove.
4127         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
4128         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
4129         simplify cgraph tags and document.
4130         (lto_output_node): Use only LTO_cgraph_unavail_node and
4131         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
4132         for_functions_valid, global info, process and output flags.
4133         (input_overwrite_node): Initialize estimated stack size and
4134         estimated growth.  Do not read flags we no longer store.
4135         (input_node): Likewise do not read info no longer stored.
4136         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
4137         flag.
4138
4139 2010-04-30  Richard Guenther  <rguenther@suse.de>
4140
4141         PR tree-optimization/43879
4142         * tree-ssa-structalias.c (get_constraint_for_1): Properly
4143         handle non-zero initializers.
4144
4145 2010-04-30  Richard Guenther  <rguenther@suse.de>
4146
4147         * builtins.c (fold_builtin_1): Delete free (0).
4148
4149 2010-04-29  Jan Hubicka  <jh@suse.cz>
4150
4151         * gengtype.c (open_base_files): Add lto-streamer.h
4152         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
4153         (pass_ipa_cp): GGC collect.
4154         * toplev. (compile_file): Do not output symbols.
4155         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
4156         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
4157         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
4158         * lto-section-in.c: Include ggc.h
4159         (lto_new_in_decl_state): Alloc in GGC.
4160         (lto_delete_in_decl_state): Likewise.
4161         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
4162         Collect.
4163
4164 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
4165
4166         PR target/42895
4167         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
4168         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
4169         (HONOR_REG_ALLOC_ORDER): Describe new macro.
4170         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
4171         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
4172         account only if HONOR_REG_ALLOC_ORDER is not defined.
4173         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
4174         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
4175
4176 2010-04-29  Jon Grant  <04@jguk.org>
4177
4178         * collect2.c (vflag): Change type from int to bool.
4179         (debug): Likewise.
4180         (helpflag): New global bool.
4181         (main): Set vflag and debug with boolean, not integer truth values.
4182         Accept new "--help" option and output usage text if found.
4183         * collect2.h (vflag): Update prototype.
4184         (debug): Likewise.
4185
4186 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4187
4188         PR bootstrap/43936
4189         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
4190
4191 2010-04-29  Richard Guenther  <rguenther@suse.de>
4192
4193         PR bootstrap/43935
4194         * plugin.h (invoke_plugin_callbacks): Annotate arguments
4195         with ATTRIBUTE_UNUSED.
4196
4197 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
4198
4199         PR target/43921
4200         * config/i386/i386.c (get_some_local_dynamic_name): Replace
4201         INSN_P with NONDEBUG_INSN_P.
4202         (distance_non_agu_define): Likewise.
4203         (distance_agu_use): Likewise.
4204
4205 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
4206
4207         From Dominique d'Humieres <dominiq@lps.ens.fr>
4208         PR bootstrap/43858
4209         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
4210         test_set.
4211
4212 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
4213
4214         * plugin.h (invoke_plugin_callbacks): New inline function.
4215         * plugin.c (flag_plugin_added): New global flag.
4216         (add_new_plugin): Initialize above flag.
4217         (invoke_plugin_callbacks): Rename to ...
4218         (invoke_plugin_callbacks_full): ... this.
4219
4220 2010-04-28  Jan Hubicka  <jh@suse.cz>
4221
4222         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
4223         (lto_varpool_replace_node): New.
4224         (lto_symtab_resolve_symbols): Resolve varpool nodes.
4225         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
4226         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
4227         * cgraph.h (varpool_node_ptr): New type.
4228         (varpool_node_ptr): New vector.
4229         (varpool_node_set_def): New structure.
4230         (varpool_node_set): New type.
4231         (varpool_node_set): New vector.
4232         (varpool_node_set_element_def): New structure.
4233         (varpool_node_set_element, const_varpool_node_set_element): New types.
4234         (varpool_node_set_iterator): New type.
4235         (varpool_node): Add prev pointers, add used_from_other_partition,
4236         in_other_partition.
4237         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
4238         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
4239         varpool_get_node, varpool_remove_node): Declare.
4240         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
4241         varpool_node_set_size): New inlines.
4242         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
4243         * tree-pass.h (varpool_node_set_def): Forward declare.
4244         (ipa_opt_pass_d): Summary writting takes vnode sets too.
4245         (ipa_write_optimization_summaries): Update prototype.
4246         * ipa-cp.c (ipcp_write_summary): Update.
4247         * ipa-reference.c (ipa_reference_write_summary): Update.
4248         * lto-cgraph.c (lto_output_varpool_node): New static function.
4249         (output_varpool): New function.
4250         (input_varpool_node): New static function.
4251         (input_varpool_1): New function.
4252         (input_cgraph): Input varpool.
4253         * ipa-pure-const.c (pure_const_write_summary): Update.
4254         * lto-streamer-out.c (lto_output): Update, output varpool too.
4255         (write_global_stream): Kill WPA hack.
4256         (produce_asm_for_decls): Update.
4257         (output_alias_pair_p): Handle variables.
4258         (output_unreferenced_globals): Output only needed partition of varpool.
4259         * ipa-inline.c (inline_write_summary): Update.
4260         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
4261         cgraph.
4262         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
4263         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
4264         varpool_node_set_new, varpool_node_set_add,
4265         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
4266         debug_varpool_node_set): New functions.
4267         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
4268         (execute_one_pass): Process new decls too.
4269         (ipa_write_summaries_2): Pass around vsets.
4270         (ipa_write_summaries_1): Likewise.
4271         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
4272         to add.
4273         (ipa_write_optimization_summaries_1): Pass around vsets.
4274         (ipa_write_optimization_summaries): Likewise.
4275         * varpool.c (varpool_get_node): New.
4276         (varpool_node): Update doubly linked lists.
4277         (varpool_remove_node): New.
4278         (dump_varpool_node): More dumping.
4279         (varpool_enqueue_needed_node): Update doubly linked lists.
4280         (decide_is_variable_needed): Kill ltrans hack.
4281         (varpool_finalize_decl): Kill lto hack.
4282         (varpool_assemble_decl): Skip decls in other partitions.
4283         (varpool_assemble_pending_decls): Update doubly linkes lists.
4284         (varpool_empty_needed_queue): Likewise.
4285         (varpool_extra_name_alias): Likewise.
4286         * lto-streamer.c (lto_get_section_name): Add vars section.
4287         * lto-streamer.h (lto_section_type): Update.
4288         (output_varpool, input_varpool): Declare.
4289
4290 2010-04-28  Mike Stump  <mikestump@comcast.net>
4291
4292         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
4293
4294 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
4295
4296         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
4297         record or union type with RECORD_OR_UNION_TYPE_P predicate.
4298         (lto_input_ts_type_tree_pointers): Likewise.
4299         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
4300         (lto_output_ts_type_tree_pointers): Likewise.
4301
4302 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
4303
4304         Uniquization of constants at the Tree level
4305         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
4306         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
4307         bit to the end.
4308         (tree_output_constant_def): Declare.
4309         * gimplify.c (gimplify_init_constructor): When using block copy, first
4310         uniquize the constant constructor on the RHS.
4311         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
4312         DECL_IN_CONSTANT_POOL flag.
4313         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
4314         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
4315         constant pool.
4316         (assemble_variable): Deal with symbols belonging to the tree constant
4317         pool.
4318         (get_constant_section): Add ALIGN parameter and simplify.
4319         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
4320         (assemble_constant_contents): Use the expression of the VAR_DECL.
4321         (output_constant_def_contents): Use the alignment of the VAR_DECL.
4322         (tree_output_constant_def): New global function.
4323         (mark_constant): Use the expression of the VAR_DECL.
4324         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
4325         its expression.
4326         (output_object_block): Likewise and assemble the expression.
4327
4328 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
4329
4330         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
4331         hash_tree, eq_tree): New tree hash table.
4332         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
4333         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
4334         lto_orig_address_remove): Reimplement.
4335
4336 2010-04-28  Xinliang David Li  <davidxl@google.com>
4337
4338         PR c/42643
4339         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
4340         (compute_uninit_opnds_pos): New function.
4341         (is_non_loop_exit_postdominating): New function.
4342         (compute_control_dep_chain): New function.
4343         (find_pdom): New function.
4344         (convert_control_dep_chain_into_preds): New function.
4345         (find_predicates): New function.
4346         (find_control_equiv_block): New function.
4347         (collect_phi_def_edges): New function.
4348         (find_def_preds): New function.
4349         (find_dom): New function.
4350         (dump_predicates): New function.
4351         (get_cmp_code): New function.
4352         (is_value_included_in): New function.
4353         (find_matching_predicate_in_rest_chains): New function.
4354         (use_pred_not_overlap_with_undef_path_pred): New function.
4355         (is_use_properly_guarded): New function.
4356         (normalize_cond_1): New function.
4357         (is_and_or_or): New function.
4358         (normalize_cond): New function.
4359         (is_gcond_subset_of): New function.
4360         (is_subset_of_any): New function.
4361         (is_or_set_subset_of): New function.
4362         (is_and_set_subset_of): New function.
4363         (is_norm_cond_subset_of): New function.
4364         (is_pred_expr_subset_of): New function.
4365         (is_pred_chain_subset_of): New function.
4366         (is_included_in): New function.
4367         (is_superset_of): New function.
4368         (find_uninit_use): New function.
4369         (warn_uninitialized_phi): New function.
4370         (compute_possibly_undefined_names): New function.
4371         (ssa_undefined_value_p): New function.
4372         (execute_late_warn_uninitialized): New function.
4373         * tree-ssa.c (ssa_undefined_value_p): Removed.
4374         (warn_uninit): Changed to extern.
4375         (warn_uninitialized_phi): Removed.
4376         (warn_uninitialized_vars): Changed to extern.
4377         (execute_late_warn_uninitialized): Removed
4378         * tree-flow.h: Add new prototypes.
4379         * timevar.def: Add new time variable.
4380         * Makefile.in: Add new build file.
4381
4382 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
4383
4384         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
4385         type if available.
4386
4387 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4388
4389         PR target/22224
4390         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
4391
4392 2010-04-28  Martin Jambor  <mjambor@suse.cz>
4393
4394         * cgraph.h (struct cgraph_node): New field indirect_calls.
4395         (struct cgraph_indirect_call_info): New type.
4396         (struct cgraph_edge): Removed field indirect_call. New fields
4397         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
4398         (cgraph_create_indirect_edge): Declare.
4399         (cgraph_make_edge_direct): Likewise.
4400         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
4401         * ipa-prop.h (struct ipa_param_call_note): Removed.
4402         (struct ipa_node_params): Removed field param_calls.
4403         (ipa_create_all_structures_for_iinln): Declare.
4404         * cgraph.c: Described indirect edges and uids in initial comment.
4405         (cgraph_add_edge_to_call_site_hash): New function.
4406         (cgraph_edge): Search also among the indirect edges, use
4407         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
4408         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
4409         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
4410         site hash.
4411         (initialize_inline_failed): Assign a reason to indirect edges.
4412         (cgraph_create_edge_1): New function.
4413         (cgraph_create_edge): Moved some functionality to
4414         cgraph_create_edge_1.
4415         (cgraph_create_indirect_edge): New function.
4416         (cgraph_edge_remove_callee): Add an assert checking for
4417         non-indirectness.
4418         (cgraph_edge_remove_caller): Special-case indirect edges.
4419         (cgraph_remove_edge): Likewise.
4420         (cgraph_set_edge_callee): New function.
4421         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
4422         (cgraph_make_edge_direct): New function.
4423         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
4424         the declaration of the call statement matches.
4425         (cgraph_node_remove_callees): Special-case indirect edges.
4426         (cgraph_clone_edge): Likewise.
4427         (cgraph_clone_node): Clone also the indirect edges.
4428         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
4429         indirect_call, dump count of indirect_calls edges.
4430         * ipa-prop.c (iinlining_processed_edges): New variable.
4431         (ipa_note_param_call): Create indirect edges instead of
4432         creating notes.  New parameter node.
4433         (ipa_analyze_call_uses): New parameter node, pass it on to
4434         ipa_note_param_call.
4435         (ipa_analyze_stmt_uses): Likewise.
4436         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
4437         (print_edge_addition_message): Work on edges rather than on notes.
4438         (update_call_notes_after_inlining): Likewise, renamed to
4439         update_indirect_edges_after_inlining.
4440         (ipa_create_all_structures_for_iinln): New function.
4441         (ipa_free_node_params_substructures): Do not free notes.
4442         (ipa_edge_duplication_hook): Propagate bits within
4443         iinlining_processed_edges bitmap.
4444         (ipa_node_duplication_hook): Do not duplicate notes.
4445         (free_all_ipa_structures_after_ipa_cp): Renamed to
4446         ipa_free_all_structures_after_ipa_cp.
4447         (free_all_ipa_structures_after_iinln): Renamed to
4448         ipa_free_all_structures_after_iinln.
4449         (ipa_write_param_call_note): Removed.
4450         (ipa_read_param_call_note): Removed.
4451         (ipa_write_indirect_edge_info): New function.
4452         (ipa_read_indirect_edge_info): Likewise.
4453         (ipa_write_node_info): Do not stream notes, do stream information
4454         in indirect edges.
4455         (ipa_read_node_info): Likewise.
4456         (lto_ipa_fixup_call_notes): Removed.
4457         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
4458         * ipa-inline.c (pass_ipa_inline): Likewise.
4459         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
4460         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
4461         * tree-inline.c (copy_bb): Removed an unnecessary double check for
4462         is_gimple_call.
4463         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
4464         edges.
4465         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
4466         (output_cgraph): Stream also indirect edges.
4467         (lto_output_edge): Added capability to stream indirect edges.
4468         (input_edge): Likewise.
4469         (input_cgraph_1): Likewise.
4470         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
4471         of indirect edges.
4472
4473 2010-04-28  Richard Guenther  <rguenther@suse.de>
4474
4475         PR tree-optimization/43879
4476         PR tree-optimization/43909
4477         * tree-ssa-structalias.c (struct variable_info): Add
4478         only_restrict_pointers flag.
4479         (new_var_info): Initialize it.  Increment stats.total_vars here.
4480         (create_function_info_for): Do not increment stats.total_vars here.
4481         (get_function_part_constraint): Fix build with C++.
4482         (insert_into_field_list): Remove.
4483         (push_fields_onto_fieldstack): Properly merge fields.
4484         (create_variable_info_for): Split and simplify.
4485         (create_variable_info_for_1): New piece.
4486         (intra_create_variable_infos): Properly make restrict constraints
4487         from parameters.
4488
4489 2010-04-28  Richard Guenther  <rguenther@suse.de>
4490
4491         PR c++/43880
4492         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
4493
4494 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4495             Jan Hubicka <hubicka@ucw.cz>
4496
4497         * doc/invoke.texi (-Wsuggest-attribute=const,
4498         -Wsuggest-attribute=pure): Document.
4499         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
4500         (function_always_visible_to_compiler_p,
4501         suggest_attribute, warn_function_pure, warn_function_const):
4502         New functions.
4503         (check_call): Improve debug info.
4504         (analyze_function): Do not check availability.
4505         (add_new_function): Check availability.
4506         (propagate): Output warnings.
4507         (skip_function_for_local_pure_const): New function.
4508         (local_pure_const): Use it; output warnings.
4509         * common.opt (Wsuggest-attribute=const,
4510         Wsuggest-attribute=pure): New.
4511
4512 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
4513
4514         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
4515         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
4516         or DW_CFA_def_cfa_offset{,_sf}.
4517
4518 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
4519
4520         * tree.h: Fix truncated long macros.
4521
4522 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
4523
4524         * collect2.c (TARGET_64BIT): Redefine to target's default.
4525         * tlink.c: Likewise.
4526         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
4527         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
4528         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
4529         for underscoring __USER_LABEL_PREFIX__.
4530         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
4531         (SUB_LINK_ENTRY32): New.
4532         (SUB_LINK_ENTRY64): New.
4533         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
4534         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
4535         (SUB_LINK_ENTRY64): New.
4536         (SUB_LINK_ENTRY): New.
4537         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
4538         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
4539         x64 target is choosen.
4540         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
4541         * configure: Regenerated.
4542         * configure.ac (leading-mingw64-underscores): Option added.
4543
4544 2010-04-27  Jan Hubicka  <jh@suse.cz>
4545
4546         * doc/invoke.texi (-fipa-profile): Document.
4547         * opts.c (decode_options): Enable ipa-profile at -O1.
4548         * timevar.def (TV_IPA_PROFILE): Define.
4549         * common.opt (fipa-profile): Add.
4550         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
4551         flag for clones.
4552         (cgraph_propagate_frequency): Handle only local ones.
4553         * tree-pass.h (pass_ipa_profile): Declare.
4554         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
4555         (pass_ipa_profile): Use TV_IPA_PROFILE.
4556         * ipa.c (ipa_profile): New function.
4557         (gate_ipa_profile): Likewise.
4558         (pass_ipa_profile): New global variable.
4559         * passes.c (pass_ipa_profile): New.
4560
4561 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
4562
4563         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
4564
4565 2010-04-27  Martin Jambor  <mjambor@suse.cz>
4566
4567         PR middle-end/43812
4568         * ipa.c (dissolve_same_comdat_group_list): New function.
4569         (function_and_variable_visibility): Call
4570         dissolve_same_comdat_group_list when comdat group contains external or
4571         newly local nodes.
4572         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
4573         lists are circular and that they contain only DECL_ONE_ONLY nodes.
4574
4575 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
4576
4577         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
4578         (const_hash_1) <VECTOR_CST>: New case.
4579         (compare_constant) <VECTOR_CST>: Likewise.
4580         <ADDR_EXPR>: Deal with LABEL_REFs.
4581         (copy_constant) <VECTOR_CST>: New case.
4582
4583 2010-04-27  Jan Hubicka  <jh@suse.cz>
4584
4585         * cgraph.c (cgraph_propagate_frequency): New function.
4586         * cgraph.h (cgraph_propagate_frequency): Declare.
4587         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
4588         cgraph_propagate_frequency.
4589
4590 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
4591
4592         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
4593
4594 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
4595
4596         PR target/40657
4597         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
4598         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
4599         here to determine which regs to push and how much stack to reserve.
4600
4601 2010-04-27  Jie Zhang  <jie@codesourcery.com>
4602
4603         * doc/gimple.texi (gimple_statement_with_ops): Remove
4604         addresses_taken field.
4605         (gimple_statement_with_memory_ops): Likewise.
4606
4607 2010-04-27  Jan Hubicka  <jh@suse.cz>
4608
4609         * tree-inline.c (eni_inlining_weights): Remove.
4610         (estimate_num_insns): Special case more builtins.
4611
4612 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
4613
4614         PR c/32207
4615         * c-typeck.c (build_binary_op): Move forward check for comparison
4616         pointer with null pointer constant and adjust the diagnostic message.
4617
4618 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
4619
4620         PR lto/42776
4621         * configure.ac (gcc_cv_as_section_has_align): Set if installed
4622         binutils supports extended .section directive needed by LTO, or
4623         warn if older binutils found.
4624         (LTO_BINARY_READER): New AC_SUBST'd variable.
4625         (LTO_USE_LIBELF): Likewise.
4626         * gcc/config.gcc (lto_binary_reader): New target-specific configure
4627         variable.
4628         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
4629         (LTO_USE_LIBELF): Likewise.
4630         * configure: Regenerate.
4631
4632         * collect2.c (is_elf): Rename from this ...
4633         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
4634          object files in addition to ELF-formatted ones.
4635         (scan_prog_file): Caller updated.  Also allow for LTO info marker
4636         symbol to be prefixed or not by an extra underscore.
4637
4638         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
4639         * config/i386/winnt.c: Also #include lto-streamer.h
4640         (i386_pe_asm_named_section): Specify 1-byte section alignment for
4641         LTO named sections.
4642         (i386_pe_asm_output_aligned_decl_common): Add comment.
4643         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
4644
4645 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
4646
4647         PR target/43889
4648         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
4649         Add missing earlyclobber for second alternative.
4650
4651 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
4652
4653         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
4654         bits for artificial defs at the top of the block.
4655         * fwprop.c (single_def_use_enter_block): Don't call it.
4656
4657 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
4658
4659         PR 43715
4660         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
4661         instead of "$gcc_cv_objdump -T".
4662         Use "-undefined dynamic_lookup" on darwin.
4663         * gcc/configure: Regenerate.
4664
4665 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
4666
4667         PR c/43893
4668         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
4669
4670 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
4671
4672         * c-parser.c (struct c_token): Move location field up.
4673         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
4674         (struct c_declspecs): Convert typespec_word, storage_class, and
4675         default_int_p into bitfields.
4676         (struct c_declarator): Move loc field up.
4677
4678 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
4679
4680         * cfgloop.h (struct loop): Move can_be_parallel field up.
4681         * ipa-prop.h (struct ip_node_params): Move bitfields up.
4682         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
4683         down.
4684         (struct iv_cand): Convert pos field into a bitfield.
4685         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
4686         field up.
4687         (struct _stmt_vec_info): Shuffle fields for better packing.
4688
4689 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
4690
4691         * varasm.c (IN_NAMED_SECTION): Remove guard.
4692         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
4693         (IN_NAMED_SECTION_P): ...this.
4694         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
4695         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4696
4697 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
4698
4699         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
4700         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
4701         of shadowing it.  Fix comments.
4702
4703 2010-04-26  Jan Hubicka  <jh@suse.cz>
4704
4705         * cgraph.c (cgraph_create_node): Set node frequency to normal.
4706         (cgraph_clone_node): Copy function frequency.
4707         * cgraph.h (node_frequency): New enum
4708         (struct cgraph_node): Add.
4709         * final.c (rest_of_clean_state): Update.
4710         * lto-cgraph.c (lto_output_node): Output node frequency.
4711         (input_overwrite_node): Input node frequency.
4712         * tre-ssa-loop-ivopts (computation_cost): Update.
4713         * lto-streamer-out.c (output_function): Do not output function
4714         frequency.
4715         * predict.c (maybe_hot_frequency_p): Update and handle functions
4716         executed once.
4717         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
4718         attribute lookup.
4719         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
4720         (compute_function_frequency): Set noreturn functions to be executed
4721         once.
4722         (choose_function_section): Update.
4723         * lto-streamer-in.c (input_function): Do not input function frequency.
4724         * function.c (allocate_struct_function): Do not initialize function
4725         frequency.
4726         * function.h (function_frequency): Remove.
4727         (struct function): Remove function frequency.
4728         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
4729         (try_update): Update.
4730         * tree-inline.c (initialize_cfun): Do not update function frequency.
4731         * passes.c (pass_init_dump_file): Update.
4732         * i386.c (ix86_compute_frame_layout): Update.
4733         (ix86_pad_returns): Update.
4734
4735 2010-04-26  Jie Zhang  <jie@codesourcery.com>
4736
4737         PR tree-optimization/43833
4738         * tree-vrp.c (range_int_cst_p): New.
4739         (range_int_cst_singleton_p): New.
4740         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
4741         when both operands are constants.  Use range_int_cst_p in
4742         BIT_IOR_EXPR case.
4743
4744 2010-04-26  Jan Hubicka  <jh@suse.cz>
4745
4746         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
4747
4748 2010-04-26  Richard Guenther  <rguenther@suse.de>
4749
4750         PR lto/43080
4751         * gimple.c (gimple_decl_printable_name): Deal gracefully
4752         with a NULL DECL_NAME.
4753
4754 2010-04-26  Richard Guenther  <rguenther@suse.de>
4755
4756         PR lto/42425
4757         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
4758         if emitting debug information and it is either a function
4759         or a namespace decl.
4760
4761 2010-04-26  Ira Rosen  <irar@il.ibm.com>
4762
4763         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
4764         determine if the statement is vectorizable, and a macro to access it.
4765         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
4766         Skip statements that can't be vectorized. If the analysis fails,
4767         mark the statement as unvectorizable if vectorizing basic block.
4768         (vect_compute_data_refs_alignment): Likewise.
4769         (vect_verify_datarefs_alignment): Skip statements marked as
4770         unvectorizable. Add print.
4771         (vect_analyze_group_access): Skip statements that can't be
4772         vectorized. If the analysis fails, mark the statement as
4773         unvectorizable if vectorizing basic block.
4774         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
4775         * tree-vect-stmts.c (vectorizable_store): Fix the number of
4776         generated stmts for SLP.
4777         (new_stmt_vec_info): Initialize the new field.
4778         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
4779         statements marked as unvectorizable.
4780
4781 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
4782
4783         * c-common.c (flag_isoc1x): New.
4784         (flag_isoc99): Update comment.
4785         * c-common.h (flag_isoc1x): New.
4786         (flag_isoc99): Update comment.
4787         * c-cppbuiltin.c (builtin_define_float_constants): Also define
4788         __<type>_DECIMAL_DIG__.
4789         * c-opts.c (set_std_c1x): New.
4790         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
4791         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
4792         * c.opt (-std=c1x, -std=gnu1x): New options.
4793         * doc/cpp.texi: Mention -std=c1x.
4794         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
4795         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
4796         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
4797         * doc/standards.texi: Mention C1X.
4798         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
4799         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
4800         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
4801         Define for C1X.
4802
4803 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
4804
4805         * config/i386/gmon-sol2.c (_mcleanup): Change format string
4806         placeholder from 0x%x to %#x.
4807         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
4808         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
4809         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
4810         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
4811         * config/i386/i386.c (ix86_target_string): Ditto.
4812         (output_pic_addr_const): Ditto.
4813         (print_operand): Ditto.
4814
4815 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
4816
4817         * combine.c (find_split_point): Add third argument.  Use it
4818         to find nested multiply-accumulate instructions.  Adjust calls.
4819         (try_combine): Adjust call to find_split_point.
4820
4821 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
4822
4823         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
4824
4825 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
4826
4827         PR tree-optimization/41442
4828         * fold-const.c (merge_truthop_with_opposite_arm): New function.
4829         (fold_binary_loc): Call it.
4830
4831 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
4832
4833         * toplev.c (general_init): Set default for fdiagnostics-show-option.
4834         * opts.c (common_handle_option): Allow disabling it.
4835         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
4836
4837 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
4838
4839         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
4840         between modes if both types are integral.
4841
4842 2010-04-23  Richard Guenther  <rguenther@suse.de>
4843
4844         PR tree-optimization/43572
4845         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
4846
4847 2010-04-23  Richard Guenther  <rguenther@suse.de>
4848
4849         PR lto/43455
4850         * tree-inline.c (tree_can_inline_p): Also check compatibility
4851         of return types.
4852
4853 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4854
4855         PR tree-optimization/43846
4856         * tree-sra.c (struct access): New flag grp_assignment_read.
4857         (build_accesses_from_assign): Set grp_assignment_read.
4858         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
4859         (enum mark_read_status): New type.
4860         (analyze_access_subtree): Propagate grp_assignment_read, create
4861         accesses also if both direct_read and root->grp_assignment_read.
4862
4863 2010-04-23  Martin Jambor  <mjambor@suse.cz>
4864
4865         PR middle-end/43835
4866         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
4867         function does not have type attributes.
4868
4869 2010-04-23  Richard Guenther  <rguenther@suse.de>
4870
4871         PR lto/42653
4872         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
4873         of FUNCTION_DECLs.
4874
4875 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4876
4877         * sese.h (create_if_region_on_edge): Remove.
4878
4879         * sese.c (create_if_region_on_edge): Make static.
4880
4881         * tree-inline.c: Do not include ggc.h.
4882
4883         * expr.c: Do not include ggc.h.
4884
4885         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
4886         dependencies.
4887
4888 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
4889
4890         PR target/43744
4891         * config/sh/sh.c (find_barrier): Don't emit a constant pool
4892         in the middle of insns for casesi_worker_2.
4893
4894 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
4895
4896         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
4897
4898 2010-04-22  Ira Rosen  <irar@il.ibm.com>
4899
4900         PR tree-optimization/43842
4901         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
4902         loop unrolling in update of exit phis. Fix comment.
4903         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
4904         least two reduction statements in the loop before starting SLP
4905         analysis.
4906
4907 2010-04-22  Nick Clifton  <nickc@redhat.com>
4908
4909         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
4910
4911 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
4912
4913         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
4914         to simplify a + ~a.
4915
4916 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4917
4918         * tree-parloops.c (loop_parallel_p): New argument
4919         parloop_obstack.  Pass it down.
4920         (parallelize_loops): New variable parloop_obstack.  Initialize it,
4921         pass it down, free it.
4922
4923         * tree-loop-linear.c (linear_transform_loops): Pass down
4924         lambda_obstack.
4925
4926         * tree-data-ref.h (lambda_compute_access_matrices): New argument
4927         of type struct obstack *.
4928
4929         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
4930         scratch_obstack.  Initialize it, pass down, free it.
4931
4932         * lambda.h (lambda_loop_new): Remove.
4933         (lambda_matrix_new, lambda_matrix_inverse)
4934         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
4935         argument of type struct obstack *.
4936
4937         * lambda-trans.c (lambda_trans_matrix_new): New argument
4938         lambda_obstack.  Pass it down, use obstack allocation for ret.
4939         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
4940         it down.
4941
4942         * lambda-mat.c (lambda_matrix_get_column)
4943         (lambda_matrix_project_to_null): Remove.
4944         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
4945         allocation for mat.
4946         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
4947         lambda_obstack.
4948
4949         * lambda-code.c (lambda_loop_new): New function.
4950         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
4951         (lambda_compute_auxillary_space, lambda_compute_target_space)
4952         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
4953         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
4954         (build_access_matrix): New argument lambda_obstack.  Use obstack
4955         allocation for am.
4956         (lambda_compute_step_signs, lambda_compute_access_matrices): New
4957         argument lambda_obstack.  Pass it down.
4958
4959 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4960
4961         * optabs.h (expand_widening_mult): Declare.
4962
4963 2010-04-22  Richard Guenther  <rguenther@suse.de>
4964
4965         PR tree-optimization/43845
4966         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
4967         lookup the CALL_EXPR function and arguments.
4968
4969 2010-04-22  Nick Clifton  <nickc@redhat.com>
4970
4971         * config/stormy16/stormy16.c
4972         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
4973         * config/stormy16/stormy16.h: Tidy up formatting.
4974         (DONT_USE_BUILTIN_SETJMP): Remove definition.
4975         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
4976         (ineqbranchsi): Delete pattern.
4977         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
4978         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
4979         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
4980         stormy16-lib2-ucmpsi2.c.
4981
4982 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
4983
4984         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
4985         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
4986         extra set merge_set_noclobber, and use it to relax the final test
4987         slightly.
4988         * df.h (df_simulate_find_noclobber_defs): Declare.
4989         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
4990         conditional defs.
4991         (df_simulate_find_noclobber_defs): New function.
4992
4993 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
4994
4995         * config/i386/i386.md: Use {} around multi-line preparation statements.
4996
4997 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
4998
4999         * c-tree.h (push_init_level, pop_init_level, set_init_index)
5000         (process_init_element): New argument of type struct obstack *.
5001
5002         * c-typeck.c (push_init_level, pop_init_level, set_designator)
5003         (set_init_index, set_init_label, set_nonincremental_init)
5004         (set_nonincremental_init_from_string, find_init_member)
5005         (output_init_element, output_pending_init_elements)
5006         (process_init_element): New argument braced_init_obstack.  Pass it
5007         down.
5008         (push_range_stack, add_pending_init): New argument
5009         braced_init_obstack.  Use obstack allocation.
5010
5011         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
5012         braced_init_obstack.  Pass it down.
5013         (c_parser_braced_init): New variables ret, braced_init_obstack.
5014         Initialize obstack, pass it down and finally free it.
5015
5016 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
5017
5018         PR middle-end/29274
5019         * tree-pass.h (pass_optimize_widening_mul): Declare.
5020         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
5021         gate_optimize_widening_mul): New static functions.
5022         (pass_optimize_widening_mul): New.
5023         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
5024         <case MULT_EXPR>: Remove support for widening multiplies.
5025         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
5026         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
5027         simplify_gen_unary rather than directly building extensions.
5028         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
5029         WIDEN_MULT_EXPR.
5030         * expmed.c (expand_widening_mult): New function.
5031         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
5032
5033 2010-04-21  Jan Hubicka  <jh@suse.cz>
5034
5035         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
5036         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
5037         * lto-wpa-fixup.c: Remove.
5038         * Makefile.in (lto-wpa-fixup.o): Remove.
5039         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
5040         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
5041         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
5042
5043 2010-04-21  Jan Hubicka  <jh@suse.cz>
5044
5045         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
5046         add write_optimization_summary, read_optimization_summary.
5047         (ipa_write_summaries_of_cgraph_node_set): Remove.
5048         (ipa_write_optimization_summaries): Declare.
5049         (ipa_read_optimization_summaries): Declare.
5050         * ipa-cp.c (pass_ipa_cp): Update.
5051         * ipa-reference.c (pass_ipa_reference): Update.
5052         * ipa-pure-const.c (pass_ipa_pure_const): Update.
5053         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
5054         Update.
5055         * ipa-inline.c (pass_ipa_inline): Update.
5056         * ipa.c (pass_ipa_whole_program): Update.
5057         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
5058         * passes.c (ipa_write_summaries_1): Do not test wpa.
5059         (ipa_write_optimization_summaries_1): New.
5060         (ipa_write_optimization_summaries): New.
5061         (ipa_read_summaries): Do not test ltrans.
5062         (ipa_read_optimization_summaries_1): New.
5063         (ipa_read_optimization_summaries): New.
5064
5065 2010-04-21  Jan Hubicka  <jh@suse.cz>
5066
5067         * lto-cgraph.c (lto_output_node): Do not output comdat groups
5068         for boundary nodes.
5069         (output_cgraph): Do not arrange comdat groups for boundary nodes.
5070
5071 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5072
5073         PR debug/40040
5074         * dwarf2out.c (add_name_and_src_coords_attributes): Add
5075         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
5076
5077 2010-04-21  Jan Hubicka  <jh@suse.cz>
5078
5079         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
5080
5081 2010-04-21  Jan Hubicka  <jh@suse.cz>
5082
5083         * varpool.c (decide_is_variable_needed): Variable is always needed
5084         during ltrans.
5085
5086 2010-04-21  Jan Hubicka  <jh@suse.cz>
5087
5088         * opts.c (decode_options): Enable pure-const pass for whopr.
5089
5090 2010-04-21  Jan Hubicka  <jh@suse.cz>
5091
5092         * cgraph.c (dump_cgraph_node): Dump also assembler name.
5093         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
5094         at WPA dumping.
5095         (cgraph_decide_inlining): Do not expect callee to be removed in all
5096         cases.
5097
5098 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
5099
5100         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
5101
5102 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
5103
5104         * config/i386/i386.md (x86_shrd): Add athlon_decode and
5105         amdfam10_decode attributes.
5106
5107 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5108
5109         PR middle-end/43570
5110         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
5111         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
5112         (lower_copyprivate_clauses): Use private var in outer
5113         context instead of original var.  Make sure the types
5114         are correct for VLAs.
5115
5116 2010-04-21  Richard Guenther  <rguenther@suse.de>
5117
5118         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
5119         to non-pointer objects.
5120
5121 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
5122
5123         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
5124         last chain entry if it starts with the still current label.
5125         (add_location_or_const_value_attribute): Check that
5126         loc_list->first->next is NULL instead of comparing ->first with ->last.
5127         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
5128         to add_var_loc_to_decl.
5129
5130         * dwarf2out.c (output_call_frame_info): For dw_cie_version
5131         >= 4 add also address size and segment size fields into CIE header.
5132
5133         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
5134         long as address size is the same as sizeof (void *) and
5135         segment size is 0.
5136         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
5137         address size or segment size is unexpected, return DW_EH_PE_omit.
5138         (classify_object_over_fdes): If get_cie_encoding returned
5139         DW_EH_PE_omit, return -1.
5140         (init_object): If classify_object_over_fdes returned -1,
5141         pretend there were no FDEs at all.
5142
5143 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
5144
5145         * config/i386/i386.md (bswap<mode>2): Macroize expander from
5146         bswap{si,di}2 using SWI48 mode iterator.
5147         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
5148         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
5149         set modrm attribute of bswap insn to 0 and remove length attribute.
5150         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
5151         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
5152         set mode attribute to <MODE> and remove length attribute.
5153
5154 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
5155
5156         PR rtl-optimization/43520
5157         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
5158         zero available registers.
5159
5160 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5161
5162         * builtins.c (fold_builtin_cproj): Fold more cases.
5163
5164 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5165
5166         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
5167         (fold_builtin_1): Fold builtin cproj.
5168         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
5169         Use ATTR_CONST_NOTHROW_LIST.
5170
5171 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
5172
5173         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
5174         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
5175         ffsi2_no_cmove for !TARGET_CMOVE.
5176         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
5177         (ffssi2): Remove expander.
5178         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
5179         mode iterator.
5180         (ctz<mode>2): Ditto from ctz{si,di}2.
5181         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
5182         mode iterator.
5183         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
5184         mode iterator.
5185
5186 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
5187
5188         * dwarf2out.c (AT_linkage_name): Define.
5189         (clone_as_declaration): Handle DW_AT_linkage_name.
5190         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
5191         of DW_AT_MIPS_linkage_name.
5192         (move_linkage_attr): Likewise.
5193         (dwarf2out_finish): Likewise.
5194
5195 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
5196
5197         PR middle-end/41952
5198         * fold-const.c (fold_comparison): New folding rule.
5199
5200 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
5201
5202         * double-int.h (double_int_setbit): Declare.
5203         * double-int.c (double_int_setbit): New function.
5204         * rtl.h (immed_double_int_const): Declare.
5205         * emit-rtl.c (immed_double_int_const): New function.
5206         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
5207         and immed_double_int_const functions.
5208         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
5209         expand_copysign_bit):  (Ditto.).
5210         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
5211         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
5212         * dojump.c (prefer_and_bit_test): (Ditto.).
5213         * expr.c (convert_modes, reduce_to_bit_field_precision,
5214         const_vector_from_tree): (Ditto.).
5215         * expmed.c (mask_rtx, lshift_value): (Ditto.).
5216
5217 2010-04-20  Jan Hubicka  <jh@suse.cz>
5218
5219         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
5220         (dump_cgraph_node): Dump new flags.
5221         * cgraph.h (struct cgraph_node): Add flags
5222         reachable_from_other_partition and in_other_partition.
5223         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
5224         other partition can not be removed.
5225         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
5226         the other partition must be output; silence sanity checking on
5227         leaking functions bodies from other paritition.
5228         * lto-cgraph.c (reachable_from_other_partition_p): New function.
5229         (lto_output_node): Output new flags; do not sanity check that inline
5230         clones are output; drop lto_forced_extern_inline_p code; do not mock
5231         visibility flags at partition boundaries.
5232         (add_node_to): New function.
5233         (output_cgraph): Use it to sort functions so masters appear before
5234         clones.
5235         (input_overwrite_node): Input new flags.
5236         * passes.c (ipa_write_summaries): Do not call
5237         lto_new_extern_inline_states.
5238         * lto-section-out.c (forced_extern_inline,
5239         lto_new_extern_inline_states lto_delete_extern_inline_states,
5240         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
5241         * lto-streamer.h (lto_new_extern_inline_states,
5242         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
5243         lto_forced_extern_inline_p): Kill.
5244
5245 2010-04-20  Richard Guenther  <rguenther@suse.de>
5246
5247         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
5248         from vars that can have pointers.
5249         (process_constraint): Dump useless constraints.
5250
5251 2010-04-20  Richard Guenther  <rguenther@suse.de>
5252
5253         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
5254         (dump_sa_points_to_info): Remove asserts.
5255         (init_base_vars): nothing_id isn't an escape point nor does it
5256         have pointers.
5257
5258 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
5259
5260         * tree.h (TYPE_REF_IS_RVALUE): Define.
5261         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
5262         should_move_die_to_comdat, prune_unused_types_walk): Handle
5263         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
5264         (modified_type_die, gen_reference_type_die): Emit
5265         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
5266         if TYPE_REF_IS_RVALUE and -gdwarf-4.
5267
5268 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5269
5270         PR target/43635
5271         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
5272         calls for -fpic -m31 if they have been sibcall optimized.
5273
5274 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
5275
5276         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
5277         ar.lc fixed and call-used.
5278
5279         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
5280
5281 2010-04-19  Jan Hubicka  <jh@suse.cz>
5282
5283         * opts.c (decode_options): Disable whpr incompatible passes.
5284         * lto/lto.c (lto_1_to_1_map): Skip clones.
5285         (read_cgraph_and_symbols): Do not mark everything as needed.
5286         (do_whole_program_analysis): Do map only after optimizing;
5287         set proper cgraph_state; use passmanager.
5288
5289 2010-04-19  DJ Delorie  <dj@redhat.com>
5290
5291         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
5292         POINTER_PLUS_EXPR and fix them.
5293
5294 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
5295
5296         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
5297         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
5298         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
5299         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
5300         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
5301         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
5302         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
5303         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
5304         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
5305         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
5306         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
5307
5308 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
5309
5310         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
5311         (check_cond_move_block): Likewise.
5312         (cond_move_process_if_block): Likewise.
5313         (noce_find_if_block): Improve formatting.
5314         (find_if_header): Pass 0 to memset and tweak conditions.
5315         (cond_exec_find_if_block): Fix long lines and tweak conditions.
5316
5317 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
5318
5319         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
5320         for -gdwarf-4.
5321
5322         PR middle-end/43337
5323         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
5324         with non-local decl doesn't need chain.
5325
5326 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
5327
5328         * ira-color.c (allocno_reload_assign): Avoid accumulating
5329         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
5330
5331 2010-04-19  Martin Jambor  <mjambor@suse.cz>
5332
5333         * gimple.h (create_tmp_reg): Declare.
5334         * gimplify.c (create_tmp_reg): New function.
5335         (gimplify_return_expr): Use create_tmp_reg.
5336         (gimplify_omp_atomic): Likewise.
5337         (gimple_regimplify_operands): Likewise.
5338         * tree-dfa.c (make_rename_temp): Likewise.
5339         * tree-predcom.c (predcom_tmp_var): Likewise.
5340         (reassociate_to_the_same_stmt): Likewise.
5341         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
5342         (get_replaced_param_substitute): Likewise.
5343         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
5344         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
5345         * tree-ssa-pre.c (get_representative_for): Likewise.
5346         (create_expression_by_pieces): Likewise.
5347         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
5348         (create_tailcall_accumulator): Likewise.
5349
5350 2010-04-19  Martin Jambor  <mjambor@suse.cz>
5351
5352         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
5353         new_stmt.
5354         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
5355
5356 2010-04-19  Richard Guenther  <rguenther@suse.de>
5357
5358         PR tree-optimization/43796
5359         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
5360         from SCEV in the lattice.
5361         (vrp_visit_phi_node): Dump change.
5362
5363 2010-04-19  Richard Guenther  <rguenther@suse.de>
5364
5365         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
5366         * configure: Re-generated.
5367
5368 2010-04-19  Richard Guenther  <rguenther@suse.de>
5369
5370         PR tree-optimization/43783
5371         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
5372         constant ARRAY_REF operands two and three if possible.
5373
5374 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
5375
5376         PR target/43766
5377         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
5378
5379 2010-04-19  Jie Zhang  <jie@codesourcery.com>
5380
5381         PR target/43662
5382         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
5383
5384 2010-04-19  Ira Rosen  <irar@il.ibm.com>
5385
5386         PR tree-optimization/37027
5387         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
5388         and macro to access it.
5389         (vectorizable_reduction): Add argument.
5390         (vect_get_slp_defs): Likewise.
5391         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
5392         statements for possible use in SLP.
5393         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
5394         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
5395         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
5396         add new argument.
5397         (vectorizable_reduction): Likewise.
5398         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
5399         vect_get_slp_defs.
5400         (vectorizable_type_demotion, vectorizable_type_promotion,
5401         vectorizable_store): Likewise.
5402         (vect_analyze_stmt): Update call to vectorizable_reduction.
5403         (vect_transform_stmt): Likewise.
5404         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
5405         (vect_build_slp_tree): Fix indentation. Check that there are no loads
5406         from different interleaving chains in same node.
5407         (vect_slp_rearrange_stmts): New function.
5408         (vect_supported_load_permutation_p): Allow load permutations for
5409         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
5410         inside SLP nodes if necessary.
5411         (vect_analyze_slp_instance): Handle reductions.
5412         (vect_analyze_slp): Try to build SLP instances originating from groups
5413         of reductions.
5414         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
5415         (vect_get_constant_vectors): Create initial vectors for reductions
5416         according to reduction code. Add new argument.
5417         (vect_get_slp_defs): Add new argument, pass it to
5418         vect_get_constant_vectors.
5419         (vect_schedule_slp_instance): Remove SLP tree root statements.
5420
5421 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
5422
5423         * tree.h (ENUM_IS_SCOPED): Define.
5424         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
5425         for ENUM_IS_SCOPED enums.
5426
5427 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
5428
5429         * fold-const.c (fold_comparison): Use ssizetype.
5430         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
5431         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
5432         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
5433         * tree-object-size.c (compute_object_sizes): Use size_type_node.
5434
5435         * tree.h (initialize_sizetypes): Remove parameter.
5436         (build_common_tree_nodes): Remove second parameter.
5437         * stor-layout.c (initialize_sizetypes): Remove parameter.
5438         Always create an unsigned type.
5439         (set_sizetype): Assert that the passed type is unsigned and simplify.
5440         * tree.c (build_common_tree_nodes): Remove second parameter.
5441         Adjust call to initialize_sizetypes.
5442         * c-decl.c (c_init_decl_processing): Remove second argument in call to
5443         build_common_tree_nodes.
5444
5445 2010-04-18  Matthias Klose  <doko@ubuntu.com>
5446
5447         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
5448
5449 2010-04-18  Ira Rosen  <irar@il.ibm.com>
5450
5451         PR tree-optimization/43771
5452         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
5453         load permutation doesn't have gaps.
5454
5455 2010-04-18  Jan Hubicka  <jh@suse.cz>
5456
5457         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
5458         (sse_prologue_save_insn expander): Use new pattern.
5459         (sse_prologue_save_insn1): New pattern and splitter.
5460         (sse_prologue_save_insn): Update to deal also with 64bit aligned
5461         blocks.
5462         * i386.c (setup_incoming_varargs_64): Do not compute jump
5463         destination here.
5464         (ix86_gimplify_va_arg): Update alignment needed.
5465         (ix86_local_alignment): Do not align all local arrays to 128bit.
5466
5467 2010-04-17  Jan Hubicka  <jh@suse.cz>
5468
5469         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
5470
5471 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
5472
5473         * arm.md (negdi2): Remove redundant code to force values into a
5474         register.
5475
5476 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
5477
5478         * arm/bpabi.S: Add EABI alignment attributes to objects.
5479         * arm/bpabi-v6m.S: Likewise.
5480         * arm/crti.asm: Likewise.
5481         * arm/crtn.asm: Likewise.
5482         * arm/lib1funcs.asm: Likewise.
5483         * arm/libunwind.S: Likewise.
5484
5485 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
5486
5487         * arm-protos.h (tune_params): New structure.
5488         * arm.c (current_tune): New variable.
5489         (arm_constant_limit): Delete.
5490         (struct processors): Add pointer to the tune parameters.
5491         (arm_slowmul_tune): New tuning option.
5492         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
5493         (all_cores): Adjust to pick up the tuning model.
5494         (arm_constant_limit): New function.
5495         (arm_override_options): Select the appropriate tuning model.  Delete
5496         initialization of arm_const_limit.
5497         (arm_split_constant): Use the new constant-limit model.
5498         (arm_rtx_costs): Pick up the current tuning model.
5499         * arm.md (is_strongarm, is_xscale): Delete.
5500         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
5501         for Xscale variant architectures.
5502         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
5503
5504 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5505
5506         * config/arm/arm.c (arm_gen_constant): Remove unused variable
5507         can_shift.
5508         (arm_rtx_costs_1): Remove unused variable extra_cost.
5509         (arm_unwind_emit_set): Use variable offset.
5510         (thumb1_output_casesi): Remove unused variable flags.
5511
5512 2010-04-16  Jeff Law  <law@redhat.com>
5513
5514         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
5515         needing assignment rather than doing a two-phase assignment.  Remove
5516         unused variable 'm'.
5517
5518 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
5519
5520         PR bootstrap/43767
5521         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
5522
5523 2010-04-16  Doug Kwan  <dougkwan@google.com>
5524
5525         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
5526         (next_operand_entry_id): New static variable.
5527         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
5528         (add_to_ops_vec): Assigned unique ID to operand entry.
5529         (struct oecount_s): New field ID.
5530         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
5531         (undistribute_ops_list): Assign unique IDs to oecounts.
5532         (init_reassoc): reset next_operand_entry_id.
5533
5534 2010-04-16  Doug Kwan  <dougkwan@google.com>
5535
5536         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
5537         missing left parenthesis.
5538
5539 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
5540
5541         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
5542         *btdi_rex64 using SWI48 mode iterator.
5543         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
5544         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
5545         *jcc_btdi_mask_rex64.
5546
5547 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
5548
5549         * double-int.h (tree_to_double_int): Convert to macro.
5550         * double-int.c (tree_to_double_int): Remove.
5551
5552 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
5553
5554         PR debug/43762
5555         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
5556         with want_address 2 and in case a single element list might be
5557         possible, call it again with want_address 0.
5558
5559 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
5560
5561         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
5562         case 'W' print operands for HI mode.
5563         * config/h8300/h8300.h (Y0, Y2) : New constraints.
5564         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
5565         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
5566         * config/h8300/predicate.md (bit_register_indirect_operand): New.
5567
5568         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
5569
5570         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
5571         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
5572         #xx:3 and #xx:4 mode.
5573
5574         * config/h8300/h8300.md (inverted load with HImode dest): Add
5575         support for H8300SX.
5576
5577         * config/h8300/predicate.md (bit_operand): Allow immediate values that
5578         satisfy 'U' constraint.
5579
5580 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5581
5582         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
5583         * configure: Regenerate.
5584         * config.in: Regenerate.
5585         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
5586         works.
5587
5588 2010-04-16  Richard Guenther  <rguenther@suse.de>
5589
5590         * tree.h (struct tree_decl_minimal): Move pt_uid ...
5591         (struct tree_decl_common): ... here.
5592         (DECL_PT_UID): Adjust.
5593         (SET_DECL_PT_UID): Likewise.
5594         (DECL_PT_UID_SET_P): Likewise.
5595
5596 2010-04-16  Richard Guenther  <rguenther@suse.de>
5597
5598         PR tree-optimization/43572
5599         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
5600         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
5601         * tree-flow.h (is_call_clobbered): Remove.
5602         * tree-flow-inline.h (is_call_clobbered): Likewise.
5603         * tree-dfa.c (dump_variable): Do not dump call clobber state.
5604         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
5605         (execute_return_slot_opt): Adjust.
5606         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
5607         check for call clobbered vars here.
5608         (find_tail_calls): Move tailcall verification to the
5609         proper place.
5610
5611 2010-04-16  Diego Novillo  <dnovillo@google.com>
5612
5613         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
5614
5615 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
5616
5617         PR target/40603
5618         * config/arm/arm.md (cbranchqi4): New pattern.
5619         * config/arm/predicates.md (const0_operand,
5620         cbranchqi4_comparison_operator): New predicates.
5621
5622 2010-04-16  Richard Guenther  <rguenther@suse.de>
5623
5624         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
5625         (dump_gimple_stmt): Likewise.
5626
5627 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
5628
5629         * recog.h (struct recog_data): New field is_operator.
5630         (struct insn_operand_data): New field is_operator.
5631         * recog.c (extract_insn): Set recog_data.is_operator.
5632         * genoutput.c (output_operand_data): Emit code to set the
5633         is_operator field.
5634         * reload.c (find_reloads): Use it rather than testing for an
5635         empty constraint string.
5636
5637         PR target/41514
5638         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
5639         If the previous insn is a cbranchsi4_insn with the same arguments,
5640         omit the compare instruction.
5641
5642         * config/arm/arm.md (addsi3_cbranch): If destination is a high
5643         register, inputs must be low registers and we need a low register
5644         scratch.  Handle alternative 2 like alternative 3.
5645
5646 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
5647
5648         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
5649         don't call get_addr on both.  If one expression is a VALUE and
5650         the other a REG, check VALUE's locs if the REG isn't among them.
5651
5652 2010-04-16  Christian Bruel  <christian.bruel@st.com>
5653
5654         * config/sh/sh.h (sh_frame_pointer_required): New function.
5655         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
5656         (flag_omit_frame_pointer) Set.
5657         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
5658         (rounded_frame_size): Adjust size with outgoing_args_size.
5659         (sh_set_return_address): Must return from stack pointer.
5660         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
5661         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
5662         (ACCUMULATE_OUTGOING_ARGS): Define.
5663         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
5664         * gcc/config/sh/sh.opt (maccumulate-outgoing-args): New option.
5665
5666 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5667
5668         PR target/43471
5669         * config/sh/sh.c (sh_legitimize_reload_address): Use
5670         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
5671         Remove a unneeded check for offset_base.
5672
5673 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
5674
5675         * configure: Regenerated.
5676
5677 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5678
5679         * config/s390/s390.c (s390_call_save_register_used): Switch back
5680         to HARD_REGNO_NREGS.
5681
5682 2010-04-15  Richard Guenther  <rguenther@suse.de>
5683
5684         * alias.c (alias_set_subset_of): Handle alias-set zero
5685         child properly.
5686
5687 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
5688             Julian Brown  <julian@codesourcery.com>
5689
5690         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
5691         alternatives according to use of high and low regs.
5692         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
5693         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
5694         optimizing for size on Thumb-2.
5695
5696 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
5697
5698         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
5699
5700 2010-04-15  Richard Guenther  <rguenther@suse.de>
5701
5702         * tree-ssa-structalias.c (struct variable_info): Add
5703         is_fn_info flag.
5704         (new_var_info): Initialize it.
5705         (dump_constraints): Support printing last added constraints.
5706         (debug_constraints): Adjust.
5707         (dump_constraint_graph): Likewise.
5708         (make_heapvar_for): Check for NULL cfun.
5709         (get_function_part_constraint): New function.
5710         (get_fi_for_callee): Likewise.
5711         (find_func_aliases): Properly implement IPA PTA constraints.
5712         (process_ipa_clobber): New function.
5713         (find_func_clobbers): Likewise.
5714         (insert_into_field_list_sorted): Remove.
5715         (create_function_info_for): Properly allocate vars for IPA mode.
5716         Do not use insert_into_field_list_sorted.
5717         (create_variable_info_for): Properly generate constraints for
5718         global vars in IPA mode.
5719         (dump_solution_for_var): Always dump the solution.
5720         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
5721         (find_what_var_points_to): Adjust.
5722         (pt_solution_set): Change.
5723         (pt_solution_ior_into): New function.
5724         (pt_solution_empty_p): Export.
5725         (pt_solution_includes_global): Adjust.
5726         (pt_solution_includes_1): Likewise.
5727         (pt_solutions_intersect_1): Likewise.
5728         (dump_sa_points_to_info): Check some invariants.
5729         (solve_constraints): Move constraint dumping ...
5730         (compute_points_to_sets): ... here.
5731         (ipa_pta_execute): ... and here.
5732         (compute_may_aliases): Do not re-compute points-to info
5733         locally if IPA info is available.
5734         (ipa_escaped_pt): New global var.
5735         (ipa_pta_execute): Properly implement IPA PTA.
5736         * tree-into-ssa.c (dump_decl_set): Support dumping
5737         decls not in referenced-vars.
5738         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
5739         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
5740         (dump_points_to_solution): Likewise.
5741         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
5742         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
5743         (remap_gimple_stmt): Reset call clobber/use information if necessary.
5744         (copy_decl_to_var): Copy DECL_PT_UID.
5745         (copy_result_decl_to_var): Likewise.
5746         * tree.c (make_node_stat): Initialize DECL_PT_UID.
5747         (copy_node_stat): Copy it.
5748         * tree.h (DECL_PT_UID): New macro.
5749         (SET_DECL_PT_UID): Likewise.
5750         (DECL_PT_UID_SET_P): Likewise.
5751         (struct tree_decl_minimal): Add pt_uid member.
5752         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
5753         (pt_solution_empty_p): Declare.
5754         (pt_solution_set): Adjust.
5755         (ipa_escaped_pt): Declare.
5756         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
5757         * gimple-pretty-print.c (pp_points_to_solution): New function.
5758         (dump_gimple_call): Dump call clobber/use information.
5759         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
5760         * tree-pass.h (TDF_ALIAS): New dump option.
5761         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
5762         * doc/invoke.texi (-fipa-pta): Update documentation.
5763
5764 2010-04-15  Richard Guenther  <rguenther@suse.de>
5765
5766         * Makefile.in (OBJS-common): Add gimple-fold.o.
5767         (gimple-fold.o): New rule.
5768         * tree.h (maybe_fold_offset_to_reference,
5769         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
5770         prototypes ...
5771         * gimple.h: ... here.
5772         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
5773         may_propagate_address_into_dereference): Move prototypes ...
5774         * gimple.h: ... here.
5775         * tree-ssa-ccp.c (get_symbol_constant_value,
5776         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
5777         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
5778         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
5779         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
5780         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
5781         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
5782         gimplify_and_update_call_from_tree): Move ...
5783         * gimple-fold.c: ... here.  New file.
5784         (ccp_fold_builtin): Rename to ...
5785         (gimple_fold_builtin): ... this.
5786         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
5787
5788 2010-04-15  Richard Guenther  <rguenther@suse.de>
5789
5790         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
5791         fit_double_type, force_fit_type_double, add_double_with_sign,
5792         neg_double, mul_double_with_sign, lshift_double, rshift_double,
5793         lrotate_double, rrotate_double, div_and_round_double): Move ...
5794         * double-int.c: ... here.
5795         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
5796         add_double, neg_double, mul_double_with_sign, mul_double,
5797         lshift_double, rshift_double, lrotate_double, rrotate_double,
5798         div_and_round_double): Move prototypes ...
5799         * double-int.h: ... here.
5800
5801 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
5802
5803         PR target/43742
5804         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
5805         matching constraints to ensure inputs match the output.
5806
5807 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5808
5809         PR target/43742
5810         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
5811         in an input-only operand.
5812
5813 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
5814
5815         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
5816         (double_int_not, double_int_lshift, double_int_rshift): Declare.
5817         (double_int_negative_p): Convert to static inline function.
5818         * double-int.c (double_int_lshift, double_int_lshift): New functions.
5819         (double_int_negative_p): Remove.
5820         * tree.h (lshift_double, rshift_double):
5821         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
5822         * fold-const.c (fold_convert_const_int_from_real,
5823         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
5824         (lshift_double): Change type of arith argument to bool.
5825         (rshift_double): Change type of arith argument to bool. Correct
5826         comment.
5827         * expmed.c (mask_rtx, lshift_value): (Ditto.).
5828
5829 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
5830
5831         PR target/21803
5832         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
5833         at the start and end of the then/else blocks, and omit them from the
5834         conversion.
5835         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
5836         argument; all callers changed.  Pass zero to old_insns_match_p instead.
5837         (flow_find_head_matching_sequence): New function.
5838         (old_insns_match_p): Check REG_EH_REGION notes for calls.
5839         * basic-block.h (flow_find_cross_jump,
5840         flow_find_head_matching_sequence): Declare functions.
5841
5842 2010-04-14  Jason Merrill  <jason@redhat.com>
5843
5844         PR c++/36625
5845         * c-common.c (attribute_takes_identifier_p): New fn.
5846         * c-common.h: Declare it.
5847
5848 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5849
5850         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
5851         splitter condition.
5852         (*udivmod<mode>4): Ditto.
5853
5854 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5855
5856         * config/i386/i386.md (maxmin_int): Rename code attribute from
5857         maxminiprefix and update all users.
5858         (maxmin_float): Ditto from maxminfprefix.
5859         (logic): Ditto from logicprefix.
5860         (absneg_mnemonic): Ditto from absnegprefix.
5861         * config/i386/mmx.md: Update all users of maxminiprefix,
5862         maxminfprefix and logicprefix for rename.
5863         * config/i386/sse.md: Ditto.
5864         * config/i386/sync.md (sync_<code><mode>): Update for
5865         logicprefix rename.
5866
5867 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5868
5869         PR 42966
5870         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
5871         warnings converted to errors.
5872
5873 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5874
5875         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
5876         used insn_type variable.
5877         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
5878         to avoid set-but-not-used warning.
5879
5880 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5881
5882         * df-core.c (df_ref_debug): Change format string placeholder
5883         from 0x%x to %#x.
5884         * dwarf2asm.c (dw2_asm_output_data_raw,
5885         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
5886         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
5887         * dwarf2out.c (output_cfi, output_cfi_directive,
5888         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
5889         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
5890         Ditto.
5891         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
5892         * print-rtl.c (print_rtx): Ditto.
5893
5894 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
5895
5896         PR middle-end/42694
5897         * builtins.c (expand_builtin_pow_root): New function to expand pow
5898         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
5899         series of sqrt and cbrt calls under -ffast-math.
5900         (expand_builtin_pow): Call it.
5901
5902 2010-04-14  Michael Matz  <matz@suse.de>
5903
5904         PR tree-optimization/42963
5905         * tree-cfg.c (touched_switch_bbs): New static variable.
5906         (group_case_labels_stmt): New function broken out from ...
5907         (group_case_labels): ... here, use the above.
5908         (start_recording_case_labels): Allocate touched_switch_bbs.
5909         (end_recording_case_labels): Deallocate it, call
5910         group_case_labels_stmt.
5911         (gimple_redirect_edge_and_branch): Remember index of affected BB.
5912
5913 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5914
5915         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
5916         from insn template.
5917
5918 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
5919
5920         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
5921
5922 2010-04-13  Jan Hubicka  <jh@suse.cz>
5923
5924         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
5925         of optimized out static functions.
5926         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
5927         cost computation.  Also sanity check for overflows.
5928         (update_caller_keys): Update cgraph_edge_badness call; properly
5929         update fibheap and sanity check that it is up to date.
5930         (add_new_edges_to_heap): Update cgraph_edge_badness.
5931         (cgraph_decide_inlining_of_small_function): Likewise;
5932         add sanity checking that badness in heap is up to date;
5933         improve dumping of reason; Update badness of calls to the
5934         offline copy of function currently inlined; dump badness
5935         of functions not inlined because of unit growth limits.
5936
5937 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
5938
5939         PR middle-end/32628
5940         * c-common.c (pointer_int_sum): Disregard overflow that occured only
5941         because of sign-extension change when converting to sizetype here...
5942         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
5943
5944         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
5945         the folding to constants.  Remove redundant final conversion.
5946         (fold_binary) <associate>: Do not associate if the re-association of
5947         constants alone overflows.
5948         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
5949         to the end of the list.
5950         (multiple_of_p) <COND_EXPR>: New case.
5951
5952 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
5953
5954         * opt-functions.awk (opt_sanitized_name): New.
5955         (opt_enum): New.
5956         * optc-gen.awk: Use it
5957         * opth-gen.awk: Use it.
5958
5959 2010-04-13  Martin Jambor  <mjambor@suse.cz>
5960
5961         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
5962         (sra_modify_assign): Delete stmts loading dead data even if racc has no
5963         children.  Call replace_uses_with_default_def_ssa_name to handle
5964         SSA_NAES on lhs.
5965
5966 2010-04-13  Michael Matz  <matz@suse.de>
5967
5968         PR middle-end/43730
5969         * builtins.c (expand_builtin_interclass_mathfn): Also create
5970         a register if the predicate doesn't match.
5971
5972 2010-04-13  Diego Novillo  <dnovillo@google.com>
5973
5974         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
5975         * c-pch.c: Include timevar.h.
5976         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
5977         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
5978         * ggc-common.c: Include timevar.h.
5979         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
5980         * timevar.def (TV_PCH_SAVE): Define.
5981         (TV_PCH_CPP_SAVE): Define.
5982         (TV_PCH_PTR_REALLOC): Define.
5983         (TV_PCH_PTR_SORT): Define.
5984         (TV_PCH_RESTORE): Define.
5985         (TV_PCH_CPP_RESTORE): Define.
5986
5987 2010-04-13  Michael Matz  <matz@suse.de>
5988
5989         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
5990         into MINUS_EXPRs.
5991         (can_reassociate_p): New function.
5992         (break_up_subtract_bb, reassociate_bb): Use it.
5993
5994 2010-04-13  Richard Guenther  <rguenther@suse.de>
5995
5996         PR bootstrap/43737
5997         * builtins.c (c_readstr): Fix assert.
5998
5999 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
6000
6001         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
6002         when generating cltd insn.
6003
6004         (*ashl<mode>3_1): Remove special handling for register operand 2.
6005         (*ashlsi3_1_zext): Ditto.
6006         (*ashlhi3_1): Ditto.
6007         (*ashlhi3_1_lea): Ditto.
6008         (*ashlqi3_1): Ditto.
6009         (*ashlqi3_1_lea): Ditto.
6010         (*<shiftrt_insn><mode>3_1): Ditto.
6011         (*<shiftrt_insn>si3_1_zext): Ditto.
6012         (*<shiftrt_insn>qi3_1_slp): Ditto.
6013         (*<rotate_insn><mode>3_1): Ditto.
6014         (*<rotate_insn>si3_1_zext): Ditto.
6015         (*<rotate_insn>qi3_1_slp): Ditto.
6016
6017 2010-04-13  Richard Guenther  <rguenther@suse.de>
6018
6019         * tree-ssa-structalias.c (callused_id): Remove.
6020         (call_stmt_vars): New.
6021         (get_call_vi): Likewise.
6022         (lookup_call_use_vi): Likewise.
6023         (lookup_call_clobber_vi): Likewise.
6024         (get_call_use_vi): Likewise.
6025         (get_call_clobber_vi): Likewise.
6026         (make_transitive_closure_constraints): Likewise.
6027         (handle_const_call): Adjust to do per-call call-used handling.
6028         (handle_pure_call): Likewise.
6029         (find_what_var_points_to): Remove general callused handling.
6030         (init_base_vars): Likewise.
6031         (init_alias_vars): Initialize call_stmt_vars.
6032         (compute_points_to_sets): Process call-used and call-clobbered
6033         vars for call statements.
6034         (delete_points_to_sets): Free call_stmt_vars.
6035
6036 2010-04-13  Richard Guenther  <rguenther@suse.de>
6037
6038         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
6039         Only add RW dependence for dependence distance zero.
6040         Adjust maximal vectorization factor according to dependences.
6041         Move alignment handling ...
6042         (vect_find_same_alignment_drs): ... here.  New function.
6043         (vect_analyze_data_ref_dependences): Adjust.
6044         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
6045         (vect_analyze_data_refs): Adjust minimal vectorization factor
6046         according to data references.
6047         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
6048         dependences before determining the vectorization factor.
6049         Analyze alignment after determining the vectorization factor.
6050         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
6051         dependences before alignment.
6052         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
6053         Adjust prototype.
6054         (vect_analyze_data_refs): Likewise.
6055         (MAX_VECTORIZATION_FACTOR): New define.
6056
6057 2010-04-13  Duncan Sands  <baldrick@free.fr>
6058
6059         * except.h (lang_eh_type_covers): Remove.
6060         * except.c (lang_eh_type_covers): Likewise.
6061
6062 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6063             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6064
6065         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
6066         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
6067         UNITS_PER_LONG where it is ABI relevant.
6068         (s390_return_addr_rtx): Likewise.
6069         (s390_back_chain_rtx): Likewise.
6070         (s390_frame_area): Likewise.
6071         (s390_frame_info): Likewise.
6072         (s390_initial_elimination_offset): Likewise.
6073         (save_gprs): Likewise.
6074         (s390_emit_prologue): Likewise.
6075         (s390_emit_epilogue): Likewise.
6076         (s390_function_arg_advance): Likewise.
6077         (s390_function_arg): Likewise.
6078         (s390_va_start): Likewise.
6079         (s390_gimplify_va_arg): Likewise.
6080         (s390_function_profiler): Likewise.
6081         (s390_optimize_prologue): Likewise.
6082         (s390_rtx_costs): Likewise.
6083         (s390_secondary_reload): Likewise.
6084         (s390_promote_function_mode): Likewise.
6085         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
6086         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
6087         registers available.
6088         (s390_unwind_word_mode): New function.
6089         (s390_function_value): Split 64 bit values into register pair if
6090         used as return value.
6091         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
6092         function call parameters.  Handle parallels.
6093         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
6094         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6095         (DWARF_CIE_DATA_ALIGNMENT): New macro.
6096         (s390_expand_setmem): Remove unused variable src_addr.
6097         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
6098         deal with 64 bit registers.
6099         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
6100         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
6101         (UNITS_PER_LONG): New macro.
6102         * libjava/include/s390-signal.h: Define extended ucontext
6103         structure containing the upper halfs of the 64 bit registers.
6104
6105 2010-04-13  Simon Baldwin  <simonb@google.com>
6106
6107         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
6108
6109 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
6110
6111         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
6112         rvalue on the RHS if the LHS is of a non-renamable type.
6113         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
6114
6115 2010-04-13  Matthias Klose  <doko@ubuntu.com>
6116
6117         * gcc.c (cc1_options): Handle -iplugindir before processing
6118         the cc1 spec. Only add -iplugindir once.
6119         (cpp_unique_options): Add -iplugindir option if -fplugin* options
6120         found.
6121         * common.opt (iplugindir): Remove `Separate' property, initialize.
6122         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
6123         option.
6124         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
6125         (distclean): Remove plugin dir.
6126         * doc/invoke.texi: Document -iplugindir.
6127
6128 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
6129
6130         * doc/plugins.texi (Loading Plugins): Document short
6131         -fplugin=foo option.
6132         (Plugin API): Mention default_plugin_dir_name function.
6133
6134         * gcc.c (find_file_spec_function): Add new declaration.
6135         (static_spec_func): Use it for "find-file".
6136         (find_file_spec_function): Add new function.
6137         (cc1_options): Add -iplugindir option if -fplugin* options found.
6138
6139         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
6140
6141         * plugin.c (add_new_plugin): Updated comment, and handle short
6142         plugin name.
6143         (default_plugin_dir_name): Added new function.
6144
6145         * common.opt (iplugindir): New option to set the plugin directory.
6146
6147 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
6148
6149         * config/i386/i386.md (any_rotate): New code iterator.
6150         (rotate_insn): New code attribute.
6151         (rotate): Ditto.
6152         (SWIM124): New mode iterator.
6153         (<rotate_insn>ti3): New expander.
6154         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
6155         any_rotate code iterator.
6156         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
6157         using any_rotate code iterator and SWIM124 mode iterator.
6158         (ix86_rotlti3): New insn_and_split pattern.
6159         (ix86_rotrti3): Ditto.
6160         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
6161         ix86_rotl{di,ti}3 patterns.
6162         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
6163         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
6164         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
6165         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
6166         code iterator and SWI mode iterator.
6167         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
6168         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
6169         code iterator.
6170         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
6171         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
6172         (bswap rotatert splitter): Add splitter.
6173         (bswap splitter): Macroize splitter using any_rotate code iterator.
6174         Add insn predicate to split only for TARGET_USE_XCHGB or when
6175         optimizing function for size.
6176
6177 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
6178
6179         * config/pa/pa.c (emit_move_sequence): Remove use of
6180         deleted variable flag_argument_noalias.
6181
6182 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6183
6184         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
6185         configurations.
6186         Add to unsupported targets list.
6187         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
6188         sparc*-sun-solaris2.[567]* from target lists.
6189         * configure: Regenerate.
6190         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
6191         removal.
6192         Remove Solaris 7 patch references.
6193         (Specific, sparc-sun-solaris2.7): Removed.
6194         (sparc-sun-solaris2*): Update Solaris 7 example.
6195         (sparc64-*-solaris2*): Likewise.
6196
6197 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6198
6199         * config.build (alpha*-dec-osf4*): Remove.
6200         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
6201         of obsolete configurations.
6202         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
6203         support.
6204         * config/alpha/t-osf4: Renamed to ...
6205         * config/alpha/t-osf5: ... this.
6206         * config/alpha/osf.h: Renamed to ...
6207         * config/alpha/osf5.h: ... this.
6208         Merged old osf5.h contents.
6209         Update comments.
6210         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
6211         (EXTRA_SPECS): Removed.
6212         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
6213         reflect removal of Tru64 UNIX V4.0/V5.0 support.
6214         Document that.
6215
6216 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6217
6218         * doc/contrib.texi (Contributors, Rainer Orth): Update.
6219
6220 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
6221
6222         PR/43702
6223         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
6224         __thiscall convention.
6225
6226 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
6227
6228         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
6229         orig_base.
6230         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
6231
6232 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
6233
6234         * function.c (assign_parms_initialize_all): Add unused attribute
6235         to fntype.
6236
6237 2010-04-12  Richard Guenther  <rguenther@suse.de>
6238
6239         * gsstruct.def (GSS_CALL): New.
6240         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
6241         * gimple.h: Include tree-ssa-alias.h.
6242         (struct gimple_statement_call): New.
6243         (union gimple_statement_struct_d): Add gimple_call member.
6244         (gimple_call_reset_alias_info): Declare.
6245         (gimple_call_use_set): New function.
6246         (gimple_call_clobber_set): Likewise.
6247         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
6248         * gimple.c (gimple_call_reset_alias_info): New function.
6249         (gimple_build_call_1): Call it.
6250         * lto-streamer-in.c (input_gimple_stmt): Likewise.
6251         * tree-inline.c (remap_gimple_stmt): Likewise.
6252         (expand_call_inline): Remove callused handling.
6253         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
6254         * tree-dfa.c (dump_variable): Likewise.
6255         * tree-parloops.c (parallelize_loops): Likewise.
6256         * tree-ssa.c (init_tree_ssa): Likewise.
6257         (delete_tree_ssa): Likewise.
6258         * tree-flow-inline.h (is_call_used): Remove.
6259         * tree-flow.h (struct gimple_df): Remove callused member.
6260         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
6261         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
6262         (ref_maybe_used_by_call_p_1): Simplify.
6263         (call_may_clobber_ref_p_1): Likewise.
6264         * tree-ssa-structalias.c (compute_points_to_sets): Set
6265         the call stmt used and clobbered sets.
6266         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
6267         (find_tail_calls): Verify the tail call.
6268
6269 2010-04-12  Richard Guenther  <rguenther@suse.de>
6270
6271         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
6272         single-iteration always-inline inlining.
6273         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
6274         (cgraph_decide_inlining): Do not handle always-inline specially.
6275         (try_inline): Remove always-inline cycle detection special case.
6276         Do not recurse on always-inlines.
6277         (cgraph_early_inlining): Do not iterate if not optimizing.
6278         (cgraph_gate_early_inlining): remove.
6279         (pass_early_inline): Run unconditionally.
6280         (gate_cgraph_decide_inlining): New function.
6281         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
6282         not inlining or optimizing.
6283         (cgraph_decide_inlining_of_small_functions): Also consider
6284         always-inline functions.
6285         (cgraph_default_inline_p): Return true for nodes which should
6286         disregard inline limits.
6287         (estimate_function_body_sizes): Assume zero size and time for
6288         nodes which are marked as disregarding inline limits.
6289         (cgraph_decide_recursive_inlining): Do not perform recursive
6290         inlining on always-inline nodes.
6291
6292 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
6293
6294         PR bootstrap/43699
6295         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
6296         for exprs satisfying handled_component_p.
6297
6298 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
6299
6300         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
6301         non-constant aggregate elements.
6302
6303         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
6304         is a real initialization.
6305
6306 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
6307
6308         PR c/36774
6309         * c-decl.c (start_function): Move forward check for nested function.
6310
6311 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
6312
6313         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
6314         * config/sh/sh.c: Include reload.h.
6315         (sh_legitimize_reload_address): New.
6316         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
6317         sh_legitimize_reload_address.
6318
6319 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
6320
6321         * config/sh/sh.md (*movqi_pop): New insn pattern.
6322         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
6323
6324 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
6325
6326         * config/i386/i386.md (any_shiftrt): New code iterator.
6327         (shiftrt_insn): New code attribute.
6328         (shiftrt): Ditto.
6329         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
6330         using any_shiftrt code iterator.
6331         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
6332         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
6333         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
6334         pattern from corresponding peephole2 patterns.
6335         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
6336         using any_shiftrt code iterator.
6337         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
6338         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
6339         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
6340         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
6341         *{ashr,lshr}<mode>3_cmp_zext.
6342         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
6343
6344 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
6345
6346         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
6347         scratch register.
6348         (*lshr<mode>3_cconly): Ditto.
6349
6350 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
6351
6352         * config/i386/i386.md (lshr<mode>3): Macroize expander from
6353         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
6354         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
6355         pattern from *lshr{di,ti}3_1 and corresponding splitters using
6356         DWI mode iterator.
6357         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
6358         from corresponding peephole2 patterns.
6359         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
6360         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
6361         and *lshrdi3_1_rex64 using SWI mode iterator.
6362         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
6363         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
6364         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
6365         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
6366         and *lshrdi3_cmp_rex64 using SWI mode iterator.
6367         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
6368         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
6369         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
6370         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
6371         SWI mode iterator.
6372
6373 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
6374
6375         * config/i386/i386.md (ashr<mode>3): Macroize expander from
6376         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
6377         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
6378         pattern from *ashr{di,ti}3_1 and corresponding splitters using
6379         DWI mode iterator.
6380         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
6381         from corresponding peephole2 patterns.
6382         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
6383         (ashrsi3_cvt): Rename from ashrsi3_31.
6384         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
6385         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
6386         and x86_64_shift_adj_3 using SWI48 mode iterator.
6387         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
6388         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
6389         and *ashrdi3_1_rex64 using SWI mode iterator.
6390         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
6391         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
6392         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
6393         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
6394         and *ashrdi3_cmp_rex64 using SWI mode iterator.
6395         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
6396         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
6397         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
6398         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
6399         SWI mode iterator.
6400         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
6401         * config/i386/i386.c (ix86_split_ashr): Update for renamed
6402         x86_shift<mode>_adj_3 expanders.
6403
6404 2010-04-10  Wei Guozhi  <carrot@google.com>
6405
6406         PR target/42601
6407         * config/arm/arm.c (arm_pic_static_addr): New function.
6408         (legitimize_pic_address): Call arm_pic_static_addr when it detects
6409         a static symbol.
6410         (arm_output_addr_const_extra): Output expression for new pattern.
6411         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
6412
6413 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
6414
6415         * ira-costs.c (record_reg_classes): Ignore alternatives that are
6416         not enabled.
6417
6418         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
6419         * web.c: Include "insn-config.h" and "recog.h".
6420         (union_match_dups): New function.
6421         (web_main): Call it.
6422         (union_defs): Don't try to recognize match_dups.
6423
6424         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
6425         if doing so would replace the entire pattern.
6426
6427 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
6428
6429         PR target/43707
6430         PR target/43709
6431         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
6432         and splitter pattern.  Change splitter operand 1 predicate to
6433         nonmemory_operand.
6434
6435 2010-04-09  Martin Jambor  <mjambor@suse.cz>
6436
6437         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
6438         lattices are addresses of CONST_DECLs with the same initial value.
6439         (ipcp_print_all_lattices): Print values of CONST_DECLs.
6440         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
6441
6442 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
6443             Bernd Schmidt  <bernds@codesourcery.com>
6444
6445         * loop-invariant.c (replace_uses): New static function.
6446         (move_invariant_reg): Use it to ensure we can replace the uses.
6447
6448 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
6449
6450         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
6451         function template.
6452         (picochip_override_options): Enable section anchors only above -O1.
6453         (picochip_reorg): Fixed a couple of build warnings.
6454
6455 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6456
6457         * configure.ac (plugin -rdynamic test): Log result.
6458         * configure: Regenerate.
6459         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
6460         (RDYNAMIC_SPEC): Define.
6461         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
6462
6463 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6464
6465         * configure.ac: Determine Sun ld version numbers.
6466         (comdat_group): Restrict GNU ld version checks to gld.
6467         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
6468         (enable_comdat): Support --enable-comdat.
6469         * configure: Regenerate.
6470         * doc/install.texi (Configuration): Document --enable-comdat.
6471
6472 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6473
6474         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
6475         * config/sol2-gld.h: ... here.
6476         * config.gcc (sparc*-*-solaris2*): Reflect this.
6477         (i[34567]86-*-solaris2*): Use it.
6478
6479 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
6480
6481         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
6482         setup_clocks_p.
6483         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
6484
6485 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6486
6487         PR 42965
6488         * diagnostic.c (diagnostic_initialize): Initialize
6489         some_warnings_are_errors.
6490         (diagnostic_finish): New.
6491         (diagnostic_action_after_output): Call it before exiting.
6492         (diagnostic_report_diagnostic): Do not print message here. Set
6493         some_warnings_are_errors.
6494         * diagnostic.h (diagnostic_context): Delete
6495         issue_warnings_are_errors_message. Add some_warnings_are_errors.
6496         (diagnostic_finish): Declare.
6497         * toplev.c (toplev_main): Call it before exit.
6498
6499 2010-04-09  Jason Merrill  <jason@redhat.com>
6500
6501         PR c++/42623
6502         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
6503         for incomplete type.
6504
6505         PR c++/41788
6506         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
6507         based on a warning flag.
6508
6509 2010-04-09  Richard Guenther  <rguenther@suse.de>
6510
6511         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
6512
6513 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
6514
6515         PR bootstrap/43684
6516         * varasm.c (default_assemble_visibility): Wrap vars that are
6517         set, but unused, by targets without GAS.
6518         * config/rs6000/rs6000.c (paired_emit_vector_compare):
6519         Remove set, but unused, vars.
6520         (rs6000_legitimize_tls_address): Likewise.
6521         (altivec_expand_dst_builtin): Likewise.
6522         * config/darwin.c (machopic_classify_symbol): Likewise.
6523         (machopic_indirection_name): Likewise.
6524
6525 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
6526
6527         * config/i386/i386.md (DWI): New mode iterator.
6528         (S): New mode attribute.
6529         (shift_operand): Ditto.
6530         (shift_immediate_operand): Ditto.
6531         (ashl_input_operand): Ditto.
6532         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
6533         using SDWIM mode iterator.
6534         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
6535         pattern from *ashl{di,ti}3_1 and corresponding splitters using
6536         DWI mode iterator.
6537         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
6538         from corresponding peephole2 patterns.
6539         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
6540         and x86_64_shift_adj_1 using SWI48 mode iterator.
6541         (x86_shift<mode>_adj_2): Ditto.
6542         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
6543         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
6544         using SWI48 mode iterator.
6545         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
6546         *ashldi3_cmp_rex64 using SWI mode iterator.
6547         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
6548         *ashldi3_cconly_rex64 using SWI mode iterator.
6549         * config/i386/i386.c (ix86_split_ashl): Update for renamed
6550         x86_shift<mode>_adj_{1,2}.
6551         (ix86_split_ashr): Ditto.
6552         (ix86_split_lshr): Ditto.
6553
6554 2010-04-09  Richard Guenther  <rguenther@suse.de>
6555
6556         * target.h (builtin_conversion): Pass in input and output types.
6557         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
6558         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
6559         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
6560         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
6561
6562         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
6563         Handle AVX modes.
6564         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
6565
6566 2010-04-09  Richard Guenther  <rguenther@suse.de>
6567
6568         PR target/43152
6569         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
6570
6571 2010-04-09  Richard Guenther  <rguenther@suse.de>
6572
6573         * tree-vectorizer.h (struct _stmt_vec_info): Document
6574         that vectype is the type of the LHS.
6575         (supportable_widening_operation, supportable_narrowing_operation):
6576         Get both input and output vector types as arguments.
6577         (vect_is_simple_use_1): Declare.
6578         (get_same_sized_vectype): Likewise.
6579         * tree-vect-loop.c (vect_determine_vectorization_factor):
6580         Set STMT_VINFO_VECTYPE to the vector type of the def.
6581         (vectorizable_reduction): Adjust.
6582         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
6583         Adjust.  Specify the output vector type.
6584         (vect_pattern_recog_1): Adjust.
6585         * tree-vect-stmts.c (get_same_sized_vectype): New function.
6586         (vectorizable_call): Adjust.
6587         (vectorizable_conversion): Likewise.
6588         (vectorizable_operation): Likewise.
6589         (vectorizable_type_demotion): Likewise.
6590         (vectorizable_type_promotion): Likewise.
6591         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
6592         the def.
6593         (vect_is_simple_use_1): New function.
6594         (supportable_widening_operation): Get both input and output
6595         vector types.
6596         (supportable_narrowing_operation): Likewise.
6597         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
6598
6599 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
6600
6601         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
6602         __thiscall and _thiscall as predefined macros.
6603         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
6604         thiscall attribute handling.
6605         (ix86_comp_type_attributes): Likewise.
6606         (ix86_function_regparm): Likewise.
6607         (ix86_return_pops_args): Likewise.
6608         (init_cumulative_args): Likewise.
6609         (find_drap_reg): Likewise.
6610         (ix86_static_chain): Likewise.
6611         (x86_this_parameter): Likewise.
6612         (x86_output_mi_thunk): Likewise.
6613         (ix86_attribute_table): Add description for thiscall attribute.
6614         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
6615         * doc/extend.texi: Add documentation for thiscall.
6616
6617 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6618
6619         PR c++/28584
6620         * c.opt (Wint-to-pointer-cast): Available in C++.
6621         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
6622
6623 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
6624
6625         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
6626         * calls.c (expand_call): Pass the function type to aggregate_value_p.
6627         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
6628         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
6629         function type instead.  Reorder and simplify checks.
6630
6631         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
6632
6633 2010-04-08  Jing Yu  <jingyu@google.com>
6634             Zdenek Dvorak  <ook@ucw.cz>
6635
6636         PR tree-optimization/42720
6637         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
6638         loop unswitch conditions here from ...
6639         (tree_unswitch_single_loop): ... here.
6640
6641 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
6642
6643         * tree-if-conv.c: Fix comments and simplify logic.
6644
6645 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
6646
6647         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
6648         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
6649         (main_tree_if_conversion): Update call to tree_if_conversion.
6650
6651 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6652
6653         PR 42485
6654         * doc/invoke.texi (-b,-V): Delete.
6655         * doc/tm.texi: Do not mention -b.
6656         * gcc.c (display_help): Delete -b and -V.
6657         (process_command): Delete -b and -V.
6658         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
6659
6660 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
6661             Wolfgang Gellerich  <gellerich@de.ibm.com>
6662
6663         Implement target hook for loop unrolling
6664         * target.h (loop_unroll_adjust): Add a new target hook function.
6665         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
6666         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
6667         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
6668         (s390_loop_unroll_adjust): Implement the new target hook for s390.
6669         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
6670         target hook.
6671         (decide_unroll_stupid): Likewise.
6672
6673 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6674
6675         PR target/43643
6676         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
6677
6678 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6679
6680         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
6681         (Specific, *-*-solaris2*): Likewise.
6682         Don't prefer Sun as over GNU as.
6683
6684 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
6685
6686         * config/s390/s390.c (override_options): Adjust the z10 defaults
6687         for max-unroll-times, max-completely-peeled-insns
6688         and max-completely-peel-times.
6689
6690 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6691
6692         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
6693         instructions for z10.
6694         (s390_expand_setmem): Likewise.
6695         (s390_expand_cmpmem): Likewise.
6696
6697 2010-04-08  Richard Guenther  <rguenther@suse.de>
6698
6699         PR tree-optimization/43679
6700         * tree-ssa-pre.c (eliminate): Only propagate copies.
6701
6702 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
6703
6704         PR bootstrap/43681
6705         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
6706         set but not used variable warning.
6707
6708 2010-04-08  Wei Guozhi  <carrot@google.com>
6709
6710         PR target/41653
6711         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
6712         (arm_size_rtx_costs): Call the new function when optimized for size.
6713
6714 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
6715
6716         PR debug/43670
6717         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
6718         op0 is not a MEM, just return NULL instead of assertion
6719         failure.
6720         (discover_nonconstant_array_refs): Don't walk debug stmts.
6721
6722 2010-04-08  Doug Kwan  <dougkwan@google.com>
6723
6724         * configure.ac: Recognize gold and do not use its version number
6725         to test ld features.
6726         * configure: Regenerate.
6727
6728 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
6729
6730         PR middle-end/40815
6731         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
6732         (negate_value): Move code to push elements to broken_up_substracts ...
6733         (eliminate_plus_minus_pair): ... here.  Push operands that have no
6734         negative pair to plus_negates.
6735         (repropagate_negates, init_reassoc, fini_reassoc): Update.
6736
6737 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6738
6739         * doc/install.texi (Configuration): Move description of
6740         --enable-lto, --with-libelf*, --enable-gold from Java section to
6741         general section.
6742
6743         * doc/generic.texi (Working with declarations)
6744         (Function Properties, C and C++ Trees): Fix typos.
6745         * doc/sourcebuild.texi (Top Level): Likewise.
6746
6747 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
6748
6749         PR c/18624
6750         * tree.h (DECL_READ_P): Define.
6751         (struct tree_decl_common): Add decl_read_flag.
6752         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
6753         a set but not used warning.
6754         (merge_decls): Merge DECL_READ_P flag.
6755         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
6756         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
6757         * c-common.c (handle_used_attribute, handle_unused_attribute):
6758         Likewise.
6759         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
6760         New prototypes.
6761         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
6762         New functions.
6763         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
6764         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
6765         c_parser_binary_expression, c_parser_cast_expression,
6766         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
6767         Call default_function_array_read_conversion instead of
6768         default_function_array_conversion where needed.
6769         (c_parser_unary_expression, c_parser_conditional_expression,
6770         c_parser_postfix_expression_after_primary, c_parser_initelt):
6771         Likewise.  Call mark_exp_read where needed.
6772         (c_parser_statement_after_labels, c_parser_asm_operands,
6773         c_parser_typeof_specifier, c_parser_sizeof_expression,
6774         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
6775         where needed.
6776         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
6777         New.
6778         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
6779         (warn_unused_but_set_parameter): Default to warn_unused
6780         && extra_warnings.
6781         * doc/invoke.texi: Document -Wunused-but-set-variable and
6782         -Wunused-but-set-parameter.
6783
6784         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
6785         used count variable.
6786         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
6787         when operandN variables aren't used in the body of the expander
6788         or splitter.
6789         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
6790         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
6791         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
6792         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
6793         FOR_EACH_IMM_USE_ON_STMT): Likewise.
6794         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
6795         * tree.c (PROCESS_ARG): Likewise.
6796
6797 2010-04-07  Simon Baldwin  <simonb@google.com>
6798
6799         * diagnostic.h (diagnostic_override_option_index): New macro to
6800         set a diagnostic's option_index.
6801         * c-tree.h (c_cpp_error): Add warning reason argument.
6802         * opts.c (_warning_as_error_callback): New.
6803         (register_warning_as_error_callback): Store callback for
6804         warnings enabled via enable_warning_as_error.
6805         (enable_warning_as_error): Call callback, minor code tidy.
6806         * opts.h (register_warning_as_error_callback): Declare.
6807         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
6808         response to -Werror=.
6809         (c_common_init_options): Register warning_as_error_callback in opts.c.
6810         * common.opt: Add -Wno-cpp option.
6811         * c-common.c (struct reason_option_codes_t): Map cpp warning
6812         reason codes to gcc option indexes.
6813         * (c_option_controlling_cpp_error): New function, lookup the gcc
6814         option index for a cpp warning reason code.
6815         * (c_cpp_error): Add warning reason argument, call
6816         c_option_controlling_cpp_error for diagnostic_override_option_index.
6817         * doc/invoke.texi: Document -Wno-cpp.
6818
6819 2010-04-07  Richard Guenther  <rguenther@suse.de>
6820
6821         * ipa-reference.c (mark_load): Use get_base_address.
6822         (mark_store): Likewise.
6823
6824         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
6825         inserting GIMPLE_NOPs into the IL.
6826         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6827         Explicitly strip handled components and indirect references.
6828
6829         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
6830         folding address expressions.
6831         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
6832         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
6833         operand_equal_p to compare decls.
6834         (ptr_deref_may_alias_decl_p): Likewise.
6835         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
6836         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
6837         Handle reversed comparison ops.
6838         * tree-sra.c (asm_visit_addr): Use get_base_address.
6839         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
6840         * ipa-reference.c (mark_address): Use get_base_address.
6841
6842 2010-04-07  Richard Guenther  <rguenther@suse.de>
6843
6844         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
6845         Propagate constants everywhere.
6846
6847 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
6848
6849         PR debug/43516
6850         * tree.c (MAX_INT_CACHED_PREC): Define.
6851         (nonstandard_integer_type_cache): New array.
6852         (build_nonstandard_integer_type): Cache results for precision
6853         <= MAX_INT_CACHED_PREC.
6854
6855 2010-04-07  Richard Guenther  <rguenther@suse.de>
6856
6857         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
6858         -fargument-noalias-global, -fargument-noalias-anything): Remove.
6859         * common.opt: Likewise.
6860         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
6861         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
6862         (nonoverlapping_memrefs_p): Likewise.
6863         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6864         * opts.c (common_handle_option): Handle OPT_fargument_alias,
6865         OPT_fargument_noalias, OPT_fargument_noalias_anything and
6866         OPT_fargument_noalias_global for backward compatibility.
6867
6868 2010-04-07  Richard Guenther  <rguenther@suse.de>
6869
6870         PR tree-optimization/43270
6871         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
6872         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
6873         * tree-ssa-pre.c (phi_translate_1): Adjust.
6874         (fully_constant_expression): Split out vn_reference handling to ...
6875         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
6876         Fold reads from constant strings.
6877         (vn_reference_lookup): Handle fully constant references.
6878         (vn_reference_lookup_pieces): Likewise.
6879         * Makefile.in (expmed.o-warn): Add -Wno-error.
6880
6881 2010-04-07  Martin Jambor  <mjambor@suse.cz>
6882
6883         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
6884
6885 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
6886
6887         PR driver/41594
6888         * gcc.c: Add -static-libstdc++ to list of recognized options.
6889
6890 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6891
6892         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
6893
6894 2010-04-07  Richard Guenther  <rguenther@suse.de>
6895
6896         PR middle-end/42617
6897         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
6898         bases build simple mem attributes to retain points-to information.
6899
6900 2010-04-07  Richard Guenther  <rguenther@suse.de>
6901
6902         PR middle-end/42617
6903         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
6904         preserve points-to related information.
6905
6906 2010-04-07  Richard Guenther  <rguenther@suse.de>
6907
6908         PR middle-end/42617
6909         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
6910         discard plain indirect references.
6911         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
6912         * tree.c (tree_nop_conversion): Likewise.
6913
6914 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
6915
6916         PR debug/43628
6917         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
6918
6919 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
6920
6921         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
6922         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
6923
6924 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6925
6926         * tree-if-conv.c: Fix indentation and comments.
6927
6928 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6929
6930         * tree-if-conv.c: Sort static functions in topological order.
6931
6932 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
6933
6934         * tree-if-conv.c: Fix indentation and comments.
6935
6936 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6937
6938         PR middle-end/43519
6939         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
6940         lang_hooks.types.type_for_size instead of
6941         build_nonstandard_integer_type.
6942         When converting an unsigned type to signed, double its precision.
6943         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
6944         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
6945         (graphite_create_new_loop_guard): When ub + 1 wraps around,
6946         use lb <= ub.
6947
6948 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6949
6950         PR middle-end/43519
6951         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
6952         POINTER_PLUS_EXPR for pointer types.
6953
6954 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6955
6956         PR middle-end/43519
6957         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
6958         * graphite-clast-to-gimple.c: Include langhooks.h.
6959         (max_signed_precision_type): New.
6960         (max_precision_type): Takes two types as arguments.
6961         (precision_for_value): New.
6962         (precision_for_interval): New.
6963         (gcc_type_for_interval): New.
6964         (gcc_type_for_value): New.
6965         (gcc_type_for_clast_term): New.
6966         (gcc_type_for_clast_red): New.
6967         (gcc_type_for_clast_bin): New.
6968         (gcc_type_for_clast_expr): Split up into several functions.
6969         (gcc_type_for_clast_eq): Rewritten.
6970         (compute_bounds_for_level): New.
6971         (compute_type_for_level_1): New.
6972         (compute_type_for_level): New.
6973         (gcc_type_for_cloog_iv): Removed.
6974         (gcc_type_for_iv_of_clast_loop): Rewritten.
6975         (graphite_create_new_loop): Compute the lower and upper bound types
6976         with gcc_type_for_clast_expr.
6977         (graphite_create_new_loop_guard): Same.
6978         (find_cloog_iv_in_expr): Removed.
6979         (compute_cloog_iv_types_1): Removed.
6980         (compute_cloog_iv_types): Removed.
6981         (gloog): Do not call compute_cloog_iv_types.
6982         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
6983         GBB_CLOOG_IV_TYPES.
6984         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
6985         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
6986         (GBB_CLOOG_IV_TYPES): Removed.
6987
6988 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6989
6990         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
6991         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
6992         (detect_commutative_reduction): Same.
6993
6994 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
6995
6996         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
6997         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
6998         argument.
6999         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
7000         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
7001         (rewrite_commutative_reductions_out_of_ssa): Same.
7002         * passes.c (execute_function_todo): Call verify_ssa for every pass
7003         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
7004         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
7005         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
7006         with an extra argument.
7007         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
7008         verify_ssa only when the extra argument is true.
7009         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
7010         with an extra argument.
7011         (tree_transform_and_unroll_loop): Same.
7012
7013 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
7014
7015         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
7016         for all the passes of the LNO having LOOP_CLOSED_SSA.
7017         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
7018         * tree-loop-distribution.c (pass_loop_distribution): Same.
7019         * tree-pass.h (TODO_verify_loops): Removed.
7020         * tree-ssa-loop.c (pass_tree_loop_init): Same.
7021         (pass_lim): Same.
7022         (pass_tree_unswitch): Same.
7023         (pass_predcom): Same.
7024         (pass_vectorize): Same.
7025         (pass_linear_transform): Same.
7026         (pass_graphite_transforms): Same.
7027         (pass_iv_canon): Same.
7028         (pass_complete_unroll): Same.
7029         (pass_complete_unrolli): Same.
7030         (pass_parallelize_loops): Same.
7031         (pass_loop_prefetch): Same.
7032         (pass_iv_optimize): Same.
7033
7034 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
7035
7036         PR middle-end/32824
7037         * passes.c (init_optimization_passes): Move pass_lim before
7038         pass_copy_prop and pass_dce_loop.
7039
7040 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
7041
7042         PR target/43667
7043         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
7044         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
7045         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
7046         MULTI_* defines for 4 argument vpermil2p* builtins.
7047
7048 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
7049
7050         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
7051         * config/i386/i386.c (x86_maybe_negate_const_int): New.
7052         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
7053         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
7054         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
7055         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
7056         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
7057         Use x86_maybe_negate_const_int to output insn mnemonic.
7058         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
7059         check from instruction predicate.  Update comments.
7060         * config/i386/sync.md (sync_add<mode>): Use
7061         x86_maybe_negate_const_int to output insn mnemonic.
7062
7063 2010-04-06  Jan Hubicka  <jh@suse.cz>
7064
7065         PR tree-optimization/42906
7066         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
7067         IGNORE_SELF argument.  Set visited_control_parents for fully
7068         processed BBs.
7069         (find_obviously_necessary_stmts): Update call of
7070         mark_control_dependent_edges_necessary.
7071         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
7072
7073 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
7074
7075         * config/i386/i386.md: Remove comment about 'e' and 'E'
7076         operand modifier.
7077
7078 2010-04-06  Richard Guenther  <rguenther@suse.de>
7079
7080         PR tree-optimization/43627
7081         * tree-vrp.c (extract_range_from_unary_expr): Widenings
7082         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
7083         not varying.
7084
7085 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
7086
7087         * BASE-VER: Change to 4.6.0.
7088
7089         PR target/43638
7090         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
7091         handling.
7092
7093 2010-04-06  Richard Guenther  <rguenther@suse.de>
7094
7095         PR middle-end/43661
7096         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
7097
7098 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7099
7100         * doc/invoke.texi (Optimize Options): Document that LTO
7101         won't remove object access purely due to incompatible
7102         declarations.
7103
7104 2010-04-04  Matthias Klose  <doko@ubuntu.com>
7105
7106         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
7107         Initialize variable.
7108
7109 2010-04-03  Richard Guenther  <rguenther@suse.de>
7110
7111         PR middle-end/42509
7112         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
7113         require a non-NULL MEM_OFFSET.
7114
7115 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
7116
7117         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
7118         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
7119         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
7120         config/alpha/predicates.md, config/arm/arm.md,
7121         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
7122         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
7123         config/darwin9.h, config/darwin.c, config/darwin.h,
7124         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
7125         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
7126         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
7127         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
7128         config/mips/mips.md, config/mn10300/mn10300.c,
7129         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
7130         config/rs6000/aix.h, config/rs6000/dfp.md,
7131         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
7132         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
7133         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
7134         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
7135         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
7136         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
7137         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
7138         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
7139         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
7140         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
7141         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
7142         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
7143         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
7144         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
7145         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
7146         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
7147         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
7148         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
7149         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
7150         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
7151         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
7152         opt-functions.awk, opth-gen.awk, params.def, passes.c,
7153         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
7154         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
7155         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
7156         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
7157         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
7158         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
7159         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
7160         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
7161         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
7162         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
7163         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
7164         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
7165         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
7166         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
7167
7168 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7169
7170         PR other/43620
7171         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
7172         * aclocal.m4: Regenerate.
7173
7174 2010-04-02  Richard Guenther  <rguenther@suse.de>
7175
7176         PR tree-optimization/43629
7177         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
7178         if we have seen a constant value.
7179
7180 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
7181
7182         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
7183
7184 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
7185
7186         PR target/43469
7187         * arm.c (legitimize_tls_address): Adjust call to
7188         gen_tls_load_dot_plus_four.
7189         (arm_note_pic_base): New function.
7190         (arm_cannot_copy_insn_p): Use it.
7191         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
7192         constraint.
7193
7194 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7195
7196         PR bootstrap/43531
7197
7198         Revert:
7199         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7200
7201         * Makefile.in ($(out_object_file)): Depend on
7202         gt-$(basename $(notdir $(out_file))).h.
7203
7204 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
7205
7206         * config.gcc (lm32-*-rtems*): Add t-lm32.
7207
7208 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
7209
7210         * config.gcc: Add lm32-*-rtems*.
7211         * config/lm32/rtems.h: New file.
7212
7213 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
7214
7215         PR target/42609
7216         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
7217
7218 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
7219
7220         * dwarf2out.c (output_compilation_unit_header): For
7221         -gdwarf-4 use version 4 instead of version 3.
7222         (output_line_info): For version 4 and above emit additional
7223         maximum ops per insn header field.
7224         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
7225
7226         * dwarf2out.c (is_c_family, is_java): Remove.
7227         (lower_bound_default): New function.
7228         (add_bound_info, gen_descr_array_type_die): Use it.
7229
7230 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
7231
7232         PR debug/43325
7233         * dwarf2out.c (gen_variable_die): Allow debug info for variable
7234         re-declaration when it happens in a function.
7235
7236 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
7237
7238         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
7239         (cgraph_remove_function_insertion_hook): Same.
7240         (cgraph_call_function_insertion_hooks): Same.
7241
7242 2010-04-01  Richard Guenther  <rguenther@suse.de>
7243
7244         PR middle-end/43614
7245         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
7246         and TREE_THIS_VOLATILE.
7247         (copy_ref_info): Likewise.
7248         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
7249         * tree.c (build6_stat): Ignore side-effects of all but arg5
7250         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
7251         TARGET_MEM_REF.
7252
7253 2010-04-01  Richard Guenther  <rguenther@suse.de>
7254
7255         PR tree-optimization/43607
7256         * ipa-type-escape.c (check_call): Do not access non-existing
7257         arguments.
7258
7259 2010-04-01  Richard Guenther  <rguenther@suse.de>
7260
7261         PR middle-end/43602
7262         Revert
7263         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
7264                     Jack Howarth <howarth@bromo.med.uc.edu>
7265
7266         * tree-profile.c (tree_init_ic_make_global_vars): Make static
7267         variables TLS.
7268
7269 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7270
7271         * doc/install.texi (Prerequisites): Document libelf usability on
7272         IRIX 5/6 and Solaris 2.
7273         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
7274         Update GNU as, GNU ld requirements.
7275         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
7276         Document Sun Studio compiler download.
7277         Update and simplify as, ld recommendations.
7278         (Specific, *-*-solaris2.7): Note obsoletion, removal.
7279
7280 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7281
7282         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
7283         with_tune_32 to pentium4.
7284
7285 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
7286
7287         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
7288
7289 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7290
7291         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
7292         obsoletion, removal.
7293         Update IDO URL.
7294         Document GNU as requirement.
7295         Update configure requirements.
7296         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
7297         Recomment IRIX 6.5.18+.
7298         Document IDF/IDL requirement.
7299         Document GNU as requirement.
7300         Document GNU ld bootstrap failure.
7301         Remove freeware.sgi.com reference.
7302
7303 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7304
7305         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
7306         UNIX V4.0, V5.0 obsoletion, removal.
7307         Remove --with-gc=simple reference.
7308         Update VM requirements during bootstrap.
7309         Remove -oldas bootstrap description.
7310         Update binutils reference.
7311         Remove comparison failure note.
7312
7313 2010-03-31  Richard Guenther  <rguenther@suse.de>
7314             Zdenek Dvorak  <ook@ucw.cz>
7315             Sebastian Pop  <sebastian.pop@amd.com>
7316
7317         PR middle-end/43464
7318         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
7319         with multiple arguments.
7320         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
7321
7322 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
7323
7324         * graphite-dependences.c (print_pddr): Call print_pdr with an
7325         extra argument.
7326         * graphite-poly.c (debug_pdr): Add an extra argument for the
7327         verbosity level.
7328         (print_pdr): Same.
7329         (print_pbb_domain): Same.
7330         (print_pbb): Same.
7331         (print_scop_context): Same.
7332         (print_scop): Same.
7333         (print_cloog): Same.
7334         (debug_pbb_domain): Same.
7335         (debug_pbb): Same.
7336         (print_pdrs): Same.
7337         (debug_pdrs): Same.
7338         (debug_scop_context): Same.
7339         (debug_scop): Same.
7340         (debug_cloog): Same.
7341         (print_scop_params): Same.
7342         (debug_scop_params): Same.
7343         (print_iteration_domain): Same.
7344         (print_iteration_domains): Same.
7345         (debug_iteration_domain): Same.
7346         (debug_iteration_domains): Same.
7347         (print_scattering_function): Same.
7348         (print_scattering_functions): Same.
7349         (debug_scattering_function): Same.
7350         (debug_scattering_functions): Same.
7351         * graphite-poly.h (debug_pdr): Update declaration.
7352         (print_pdr): Same.
7353         (print_pbb_domain): Same.
7354         (print_pbb): Same.
7355         (print_scop_context): Same.
7356         (print_scop): Same.
7357         (print_cloog): Same.
7358         (debug_pbb_domain): Same.
7359         (debug_pbb): Same.
7360         (print_pdrs): Same.
7361         (debug_pdrs): Same.
7362         (debug_scop_context): Same.
7363         (debug_scop): Same.
7364         (debug_cloog): Same.
7365         (print_scop_params): Same.
7366         (debug_scop_params): Same.
7367         (print_iteration_domain): Same.
7368         (print_iteration_domains): Same.
7369         (debug_iteration_domain): Same.
7370         (debug_iteration_domains): Same.
7371         (print_scattering_function): Same.
7372         (print_scattering_functions): Same.
7373         (debug_scattering_function): Same.
7374         (debug_scattering_functions): Same.
7375
7376 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
7377
7378         * graphite-poly.c (print_scattering_function_1): New.
7379         (print_scattering_function): Call it.
7380         (print_scop_params): Remove spaces at the end of lines.
7381         (print_cloog): New.
7382         (debug_cloog): New.
7383         * graphite-poly.h (print_cloog): Declared.
7384         (debug_cloog): Declared.
7385
7386 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
7387
7388         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
7389         in loop->header.
7390         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
7391         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
7392         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
7393         to switch between adding the IV bump in loop->latch or in loop->header.
7394
7395 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
7396
7397         * graphite-poly.c (print_scattering_function): Pretty print following
7398         the scoplib format.
7399         (print_pdr): Same.
7400         (print_pbb_domain): Same.
7401         (dump_gbb_cases): Same.
7402         (dump_gbb_conditions): Same.
7403         (print_pdrs): Same.
7404         (print_pbb): Same.
7405         (print_scop_params): Same.
7406         (print_scop_context): Same.
7407         (print_scop): Same.
7408         (print_pbb_body): New.
7409         (lst_indent_to): New.
7410         (print_lst): Start new lines with a #.
7411         * graphite-poly.h (pbb_bb): New.
7412         (pbb_index): Use pbb_bb.
7413         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
7414         disjuncts.
7415         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
7416
7417 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
7418
7419         * dwarf2out.c (size_of_die): For -gdwarf-4 use
7420         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
7421         and 0 instead of 1 for dw_val_class_flag.
7422         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
7423         dw_val_class_range_list, dw_val_class_loc_list,
7424         dw_val_class_lineptr and dw_val_class_macptr, use
7425         DW_FORM_flag_present for dw_val_class_flag and
7426         DW_FORM_exprloc for dw_val_class_loc.
7427         (output_die): For -gdwarf-4 print dw_val_class_loc
7428         size as uleb128 instead of 1 or 2 bytes and don't print
7429         anything for dw_val_class_flag.
7430
7431         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
7432         instead of cselib_lookup following by tweaking locs->setting_insn.
7433
7434         PR bootstrap/43596
7435         * cselib.c (cselib_process_insn): Clear cselib_current_insn
7436         even before returning from label, setjmp call or volatile asm
7437         handling.
7438
7439 2010-03-31  Richard Guenther  <rguenther@suse.de>
7440
7441         PR middle-end/43600
7442         * cgraphunit.c (cgraph_output_in_order): Do not allocate
7443         temporary data on stack.
7444
7445 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7446
7447         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
7448         (PUSHSECTION_ASM_OP): Remove.
7449         (POPSECTION_ASM_OP): Remove.
7450         (PUSHSECTION_FORMAT): Remove.
7451         * config/sol2.h (PUSHSECTION_FORMAT): Define.
7452         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
7453         * config/sol2.c (solaris_output_init_fini): Use it.
7454
7455 2010-03-31  Jie Zhang  <jie@codesourcery.com>
7456
7457         PR 43574
7458         * opt-functions.awk (var_type_struct): Use signed char type
7459         for simple variables.
7460
7461 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7462
7463         * config/sol2.c: Include output.h.
7464         (solaris_assemble_visibility): New function.
7465         * config/t-sol2 (sol2.o): Add output.h dependency.
7466         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
7467         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
7468         Redefine.
7469
7470 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
7471
7472         PR target/43580
7473         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
7474         V2SImode or XFmode on PRE_DEC.
7475
7476         PR debug/43557
7477         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
7478         BLKmode.
7479
7480 2010-03-31  Jie Zhang  <jie@codesourcery.com>
7481
7482         PR 43562
7483         * reload.h (caller_save_initialized_p): Declare.
7484         * toplev.c (backend_init_target): Don't call
7485         init_caller_save but set caller_save_initialized_p to false.
7486         * caller-save.c (caller_save_initialized_p): Define.
7487         (init_caller_save): Check caller_save_initialized_p.
7488         * ira.c (ira): Call init_caller_save if flag_caller_saves.
7489
7490 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7491
7492         PR target/39048
7493         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
7494         and soft-fp/t-softfp to tmake_file.
7495         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
7496         (LIBGCC2_TF_CEXT): Define.
7497         (TF_SIZE): Define.
7498
7499 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
7500
7501         PR debug/42977
7502         * cselib.c (n_useless_values): Document handling of debug locs.
7503         (n_useless_debug_values, n_debug_values): New variables.
7504         (new_elt_loc_list): Don't add to debug values, keep count.
7505         (promote_debug_loc): New.
7506         (cselib_reset_table): Zero new variables.
7507         (entry_and_rtx_equal_p): Promote debug locs.
7508         (discard_useless_locs): Increment n_useless_debug_values for
7509         debug values.
7510         (remove_useless_values): Adjust n_useless_values and n_debug_values
7511         with n_useless_debug_values.
7512         (add_mem_for_addr): Promote debug locs.
7513         (cselib_lookup_mem): Likewise.
7514         (cselib_lookup_addr): Renamed to...
7515         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
7516         (cselib_log_lookup): ... this.  Turn into...
7517         (cselib_lookup_addr): ... new wrapper.
7518         (cselib_lookup_from_insn): New.
7519         (cselib_invalidate_regno): Increment n_useless_debug_values for
7520         debug values.
7521         (cselib_invalidate_mem): Likewise.
7522         (cselib_process_insn): Take n_deleted and n_debug_values into
7523         account to guard remove_useless_value call.
7524         (cselib_finish): Zero n_useless_debug_values.
7525         * cselib.h (cselib_lookup_from_insn): Declare.
7526         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
7527         (sched_analyze_2): Likewise.
7528
7529 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
7530
7531         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
7532         functions.
7533         (adjust_mems): Replace narrowing SUBREG of expression containing
7534         just PLUS, MINUS, MULT and ASHIFT of registers and constants
7535         with operations in the narrower mode.
7536
7537         PR debug/43593
7538         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
7539         regs_invalidated_by_call instead all call_used_reg_set registers.
7540
7541 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
7542
7543         PR middle-end/43430
7544         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
7545         pointer comparisons with types_compatible_p.
7546         * tree-vect-stmts.c (vectorizable_call): Same.
7547         (vectorizable_condition): Same.
7548
7549 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
7550
7551         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
7552         stack check if the mask would be zero.
7553
7554 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
7555             Jack Howarth <howarth@bromo.med.uc.edu>
7556
7557         * tree-profile.c (tree_init_ic_make_global_vars): Make static
7558         variables TLS.
7559
7560 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
7561
7562         PR other/25232
7563         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
7564         and __unordtf2.
7565         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
7566         Include ___unordxf2 and ___unordtf2.
7567         * config/i386/libgcc-glibc.ver: Do not define inheritance from
7568         GCC_4.4.0 here.
7569
7570 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
7571
7572         * config/lm32/t-lm32: New file.
7573         * config.gcc: Use the above file when targetting lm32.
7574
7575 2010-03-28  Duncan Sands  <baldrick@free.fr>
7576
7577         * Makefile.in (PLUGIN_HEADERS): Add except.h.
7578
7579 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
7580
7581         PR middle-end/43431
7582         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
7583         Improve vectorization cost model diagnostic.
7584
7585 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
7586
7587         PR middle-end/43436
7588         * tree-vect-data-refs.c (vect_analyze_data_refs): When
7589         compute_data_dependences_for_loop returns false, early exit
7590         and output an extra diagnostic for the failed data reference
7591         analysis.
7592
7593 2010-03-29  Richard Guenther  <rguenther@suse.de>
7594
7595         PR tree-optimization/43560
7596         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
7597         (can_sm_ref_p): Treat stores to readonly locations as trapping.
7598
7599 2010-03-29  Jie Zhang  <jie@codesourcery.com>
7600
7601         PR 43564
7602         * toplev.c (process_options): Set optimization_default_node
7603         and optimization_current_node.
7604         * opts.c (decode_options): Don't set optimization_default_node
7605         and optimization_current_node.
7606
7607 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
7608
7609         * config/rtems.h: Abandon -qrtems_debug.
7610
7611 2010-03-28  Jan Hubicka  <jh@suse.cz>
7612
7613         PR tree-optimization/43505
7614         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
7615         map should not be copied.
7616
7617 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7618
7619         PR middle-end/41674
7620         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
7621         cdtors, set DECL_PRESERVE_P.
7622         * ipa.c (cgraph_externally_visible_p): Return true if declaration
7623         should be preseved.
7624
7625 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
7626
7627         PR tree-optimization/43528
7628         * stor-layout.c (place_field): Check that constant fits into
7629         unsigned HWI when skipping calculation of MS bitfield layout.
7630
7631 2010-03-27  Jan Hubicka  <jh@suse.cz>
7632
7633         PR middle-end/43391
7634         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
7635         notice_global_symbol work.
7636
7637 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
7638
7639         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
7640         instead of dwarf2out_decl.
7641         (struct var_loc_node): Remove section_label field.
7642         (dwarf2out_function_decl): New function.
7643         (dwarf2out_var_location): Don't set section_label field.
7644         (dwarf2out_begin_function): Don't empty decl_loc_table here.
7645
7646 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7647
7648         PR tree-optimization/43544
7649         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7650         First argument for builtin vectorized function hook is now a
7651         tree to be able to distinguish between machine specific and
7652         standard builtins.
7653         * targhooks.c (default_builtin_vectorized_function): Ditto.
7654         * targhooks.h (default_builtin_vectorized_function): Ditto.
7655         * target.h (struct gcc_target): Ditto.
7656         * tree-vect-stmts.c (vectorizable_function): Ditto.
7657         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
7658         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
7659         Ditto.
7660
7661 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
7662
7663         PR c/43381
7664         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
7665         nested binding iff it is a FUNCTION_DECL.
7666         (store_parm_decls_newstyle): Pass nested=true to bind for
7667         FUNCTION_DECLs amongst parameters.
7668
7669 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
7670
7671         * var-tracking.c (vt_expand_loc_callback): Don't run
7672         cselib_expand_value_rtx_cb in dummy mode if
7673         cselib_dummy_expand_value_rtx_cb returned false.
7674
7675         * var-tracking.c (emit_note_insn_var_location): For one part
7676         notes with offset 0, don't add EXPR_LIST around the location.
7677         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
7678         add_location_or_const_value_attribute): Adjust for that change.
7679
7680         PR debug/43540
7681         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
7682         into first operand and location into second.
7683         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
7684         dw_cfi_oprnd_loc for DW_CFA_expression.
7685         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
7686         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
7687         assume first argument is regnum and second argument is location.
7688
7689 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
7690
7691         PR target/42113
7692         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
7693         of scratch register to DImode.  Split to DImode comparison operator.
7694         Use SImode subreg of scratch register in the multiplication.
7695         (*cmp_sadd_sidi): Ditto.
7696         (*cmp_ssub_si): Ditto.
7697         (*cmp_ssub_sidi): Ditto.
7698
7699 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
7700
7701         PR target/43524
7702         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
7703         Remove invalid assert and wrong comment.
7704
7705 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
7706
7707         PR debug/43516
7708         * flags.h (final_insns_dump_p): New extern.
7709         * final.c (final_insns_dump_p): New variable.
7710         (rest_of_clean_state): Set it before -fdump-final-insns=
7711         dumping, clear afterwards.
7712         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
7713         MEM_ALIAS_SET on MEMs.
7714
7715 2010-03-26  David S. Miller  <davem@davemloft.net>
7716
7717         * configure.ac: Fix sparc GOTDATA_OP bug check.
7718         * configure: Rebuild.
7719
7720 2010-03-26  Alan Modra  <amodra@gmail.com>
7721
7722         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
7723
7724 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7725
7726         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
7727         TLS_SECTION_ASM_FLAG.
7728
7729 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
7730
7731         PR bootstrap/43511
7732         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
7733         Clear first_function_block_is_cold.
7734
7735         PR c/43385
7736         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
7737         argument if the argument is truth_value_p.
7738
7739 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7740
7741         * config/rs6000/constraints.md: Update copyright year for my changes.
7742
7743         PR target/43484
7744         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
7745         used in reg+reg addressing, swap registers.
7746
7747 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
7748
7749         PR debug/43293
7750         * target.h (struct gcc_target): Add code_end hook.
7751         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
7752         if not yet defined.
7753         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
7754         * toplev.c (compile_file): Call targetm.asm_out.code_end
7755         hook before unwind info/debug info output.
7756         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
7757         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
7758         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
7759         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
7760         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
7761         * config/i386/i386.c (ix86_file_end): Renamed to...
7762         (ix86_code_end): ... this.  Make static.  Don't call
7763         file_end_indicate_exec_stack.  Emit unwind info using
7764         final_start_function/final_end_function.
7765         (darwin_x86_file_end): Remove.
7766         (TARGET_ASM_CODE_END): Define.
7767         * config/i386/i386.h (TARGET_ASM_FILE_END,
7768         NEED_INDICATE_EXEC_STACK): Don't define.
7769         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
7770         (TARGET_ASM_FILE_END): Define to darwin_file_end.
7771         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
7772         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
7773
7774         PR target/43498
7775         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
7776         at the beginning and final_end_function at the end.
7777         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
7778
7779 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7780
7781         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
7782         and Sun as TLS syntax.
7783         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
7784         * configure: Regenerate.
7785         * config.in: Regenerate.
7786         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
7787         (default_elf_asm_named_section): Use it.
7788         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
7789         (i386_output_dwarf_dtprel): Likewise.
7790         (output_addr_const_extra): Likewise.
7791         (output_pic_addr_const): Lowercase @GOTTPOFF.
7792         (output_addr_const_extra): Likewise.
7793         (output_pic_addr_const): Lowercase @GOTNTPOFF.
7794         (output_addr_const_extra): Likewise.
7795         (output_pic_addr_const): Lowercase @INDNTPOFF.
7796         (output_addr_const_extra): Likewise.
7797         (output_pic_addr_const): Lowercase @NTPOFF.
7798         (output_addr_const_extra): Likewise.
7799         (output_pic_addr_const): Lowercase @TPOFF.
7800         (output_addr_const_extra): Likewise.
7801         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
7802         (*tls_global_dynamic_64): Likewise.
7803         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
7804         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
7805
7806         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
7807         (ASM_OUTPUT_TLS_COMMON): Use it.
7808         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
7809
7810         PR target/38118
7811         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
7812         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
7813         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
7814         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
7815         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7816         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
7817
7818 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7819
7820         * config/i386/i386.c (override_options): Don't accept
7821         -mtls-dialect=sun any longer.
7822         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
7823         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
7824         (*tls_local_dynamic_base_32_sun): Likewise.
7825         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
7826
7827 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
7828
7829         PR debug/43508
7830         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7831         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
7832
7833         PR debug/43479
7834         * ira.c (adjust_cleared_regs): New function.
7835         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
7836
7837         PR debug/19192
7838         PR debug/43479
7839         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
7840         from gimple_block.
7841         * expr.c (expand_expr_real): Restore previous
7842         curr_insn_source_location and curr_insn_block after
7843         expand_expr_real_1 call.
7844         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
7845         instead of expand_expr_real_1.
7846
7847 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
7848
7849         PR rtl-optimization/43413
7850         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
7851         hard regs too.
7852
7853 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
7854
7855         PR target/43348
7856         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
7857         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
7858
7859 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
7860
7861         * config/i386/i386.c (ix86_target_string): Add -mfma.
7862         Fix a typo in comment.
7863
7864 2010-03-22  Mike Stump  <mikestump@comcast.net>
7865
7866         PR target/23071
7867         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
7868         Don't overly align based upon packed packed fields.
7869
7870 2010-03-22  Jason Merrill  <jason@redhat.com>
7871
7872         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
7873         Use () rather than [], and move before the element type.
7874
7875 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7876
7877         * doc/configfiles.texi (Configuration Files): Removed
7878         fixinc/Makefile*, intl/Makefile.*.
7879         * doc/makefile.texi: Fixed markup. Abstract from version
7880         control system used.
7881         (Makefile): Removed obsolete gcc/java/parse.y example.
7882         * doc/sourcebuild.texi: Likewise.
7883         (Top Level): Added config, gnattools, libdecnumber, libgcc,
7884         libgomp, libssp.  Removed fastjar.
7885         (Miscellaneous Docs): Clarify location.
7886         Added COPYING3, COPYING3.LIB.
7887         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
7888
7889 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7890
7891         PR target/38085
7892         * config/i386/i386.c (x86_function_profiler)
7893         [!NO_PROFILE_COUNTERS]: Fix typo.
7894         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
7895         instead of callq.
7896
7897 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
7898             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7899
7900         * doc/sourcebuild.texi (Test Directives): Split into six
7901         subsections, with most of the current text in new subsections
7902         Directives, Selectors, and Final Actions.
7903         (Directives): Split list of test directives into multiple
7904         subsubsections.
7905         (Selectors): Describe use and syntax of selectors.
7906         (Effective-Target Keywords): Describe all existing keywords.
7907         (Add Options): Describe features for dg-add-options.
7908         (Require Support): Describe variants of dg-require-support.
7909         (Final Actions): Describe commands to use in dg-final.
7910
7911 2010-03-22  Michael Matz  <matz@suse.de>
7912
7913         PR middle-end/43475
7914         * recog.c (validate_replace_rtx_group): Replace also in
7915         REG_EQUAL and REG_EQUIV notes.
7916
7917 2010-03-22  Richard Guenther  <rguenther@suse.de>
7918
7919         PR tree-optimization/43390
7920         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
7921         sure vector extracts are type correct.
7922
7923 2010-03-22  Richard Guenther  <rguenther@suse.de>
7924
7925         PR middle-end/40106
7926         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
7927         x * sqrt (x) even when optimizing for size if the target
7928         has native support for sqrt.
7929
7930 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
7931
7932         * varasm.c (make_decl_rtl_for_debug): Also clear
7933         flag_mudflap for the duration of make_decl_rtl call.
7934
7935         PR debug/43443
7936         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
7937         locs from preserved VALUEs.
7938
7939 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7940
7941         PR middle-end/42718
7942         * pa.md (movmemsi): Set align to one if zero.
7943         (movmemdi): Likewise.
7944
7945 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
7946
7947         PR target/42321
7948         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
7949         with their corresponding prologue pushes.
7950
7951 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
7952
7953         PR target/43156
7954         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
7955         at the begining or end.
7956         (spu_expand_epilogue): Likewise.
7957
7958 2010-03-20  Richard Guenther  <rguenther@suse.de>
7959
7960         PR rtl-optimization/43438
7961         * combine.c (make_extraction): Properly zero-/sign-extend an
7962         extraction of the low part of a CONST_INT.  Also handle
7963         CONST_DOUBLE.
7964
7965 2010-03-19  Mike Stump  <mikestump@comcast.net>
7966
7967         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
7968         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
7969         (override_options): Use SUBTARGET32_DEFAULT_CPU.
7970
7971 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
7972
7973         PR c/43211
7974         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
7975         an error.
7976
7977 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
7978
7979         PR rtl-optimization/42258
7980         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
7981         use that may match DEF.
7982
7983         PR target/40697
7984         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
7985         the cost of loading the constant rather than assuming
7986         COSTS_N_INSNS (1).
7987         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
7988         outer code is AND, do the same tests as the andsi3 expander and
7989         return COSTS_N_INSNS (1) if and is cheap.
7990
7991         * optabs.c (avoid_expensive_constant): Fix formatting.
7992
7993 2010-03-19  Michael Matz  <matz@suse.de>
7994
7995         PR c++/43116
7996         * attribs.c (decl_attributes): When rebuilding a function pointer
7997         type use the same qualifiers as the original pointer type.
7998
7999 2010-03-19  Martin Jambor  <mjambor@suse.cz>
8000
8001         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
8002         and is_gimple_ip_invariant_address.
8003
8004 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8005
8006         Revert
8007         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8008
8009         * config/arm/arm.c (arm_override_options): Turn off
8010         flag_dwarf2_cfi_asm for AAPCS variants.
8011
8012 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8013
8014         PR target/43399
8015         * config/arm/arm.c (emit_multi_reg_push): Update comments.
8016         Use PRE_MODIFY instead of PRE_DEC.
8017         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
8018         (vfp_emit_fstmd): Likewise.
8019
8020 2010-03-19  Michael Matz  <matz@suse.de>
8021
8022         PR target/43305
8023         * builtins.c (expand_builtin_interclass_mathfn,
8024         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
8025         if that fails.
8026
8027 2010-03-19  Richard Guenther  <rguenther@suse.de>
8028
8029         PR tree-optimization/43415
8030         * tree-ssa-pre.c (phi_translate): Split out worker to ...
8031         (phi_translate_1): ... this.
8032         (phi_translate): Move all caching here.  Cache all NARY
8033         and REFERENCE translations.
8034
8035 2010-03-19  David S. Miller  <davem@davemloft.net>
8036
8037         With help from Eric Botcazou.
8038         * config/sparc/sparc.c: Include dwarf2out.h.
8039         (emit_pic_helper): Delete.
8040         (pic_helper_symbol_name): Delete.
8041         (pic_helper_emitted_p): Delete.
8042         (pic_helper_needed): New.
8043         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
8044         (get_pc_thunk_name): New.
8045         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
8046         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
8047         Set pic_helper_needed to true.  Don't call emit_pic_helper.
8048         (sparc_expand_prologue): Update load_pic_register call.
8049         (sparc_output_mi_thunk): Likewise.
8050         (sparc_file_end): Emit a hidden comdat symbol for the PIC
8051         thunk if possible.  Output CFI information as needed.
8052
8053 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
8054             Jack Howarth <howarth@bromo.med.uc.edu>
8055
8056         PR target/36399
8057         * config/i386/i386.h: Fix ABI on darwin x86-32.
8058
8059 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
8060
8061         * tree.h: Declare make_decl_rtl_for_debug.
8062         * varasm.c (make_decl_rtl_for_debug): New.
8063         * dwarf2out.c (rtl_for_decl_location): Call it.
8064         * cfgexpand.c (expand_debug_expr): Call it.
8065
8066 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
8067
8068         PR bootstrap/43399
8069         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
8070         mem_mode.
8071
8072         PR bootstrap/43403
8073         * var-tracking.c (vt_init_cfa_base): Do nothing if
8074         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
8075
8076 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
8077
8078         PR debug/42873
8079         * var-tracking.c (canonicalize_vars_star): New.
8080         (dataflow_post_merge_adjust): Use it.
8081
8082 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
8083
8084         PR debug/43058
8085         * var-tracking.c (non_suitable_const): New function.
8086         (add_uses): For DEBUG_INSNs with constants, don't record any
8087         value, instead just the constant value itself.
8088         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
8089         is not VAR_LOC_UNKNOWN_P, set var to the constant.
8090         (emit_notes_in_bb): Likewise.
8091         (emit_note_insn_var_location): For onepart variables if
8092         cur_loc is a VOIDmode constant, use DECL_MODE.
8093
8094 2010-03-18  Martin Jambor  <mjambor@suse.cz>
8095
8096         PR middle-end/42450
8097         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
8098         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
8099         all non-clones.  Moved call redirection...
8100         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
8101         (cgraph_materialize_all_clones): Dispose of all
8102         combined_args_to_skip bitmaps.
8103         (verify_cgraph_node): Do not check for edges pointing to wrong
8104         nodes in inline clones.
8105         * tree-inline.c (copy_bb): Call
8106         cgraph_redirect_edge_call_stmt_to_callee.
8107         * ipa.c (cgraph_remove_unreachable_nodes): Call
8108         cgraph_node_remove_callees even when there are used clones.
8109
8110 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
8111
8112         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
8113
8114 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
8115
8116         PR target/43383
8117         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
8118         for 32bit.
8119
8120 2010-03-18  Michael Matz  <matz@suse.de>
8121
8122         PR middle-end/43419
8123         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
8124         into sqrt(x) if we need to preserve signed zeros.
8125
8126 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
8127             Eric Botcazou  <ebotcazou@adacore.com>
8128
8129         PR rtl-optimization/43360
8130         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
8131         note if we don't know its invariant status.
8132
8133 2010-03-18  Michael Matz  <matz@suse.de>
8134
8135         PR tree-optimization/43402
8136         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
8137         PHI chains of ssa names registered for update.
8138
8139 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
8140
8141         PR target/42427
8142         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
8143         non-offsettable and pre_modify update addressing.
8144         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
8145         and "2" alternatives "#".
8146         (*movdd_softfloat32): Make all alternatives "#";
8147         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
8148         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
8149         (*movdf_softfloat32): Make all alternatives "#";
8150         (movdi): Use the new DIFD mode iterator to create a common splitter
8151         for movdi, movdf and movdd patterns.
8152
8153 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
8154
8155         * common.opt (dumpdir): Remove redundant tab.
8156
8157 2010-03-17  Martin Jambor  <mjambor@suse.cz>
8158
8159         PR tree-optimization/43347
8160         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
8161         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
8162
8163 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
8164
8165         PR rtl-optimization/42216
8166         * regrename.c (create_new_chain): New function, broken out from...
8167         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
8168         appending a use to an empty chain.
8169         (build_def_use): Remove previous changes that convert OP_INOUT to
8170         OP_OUT operands; instead detect the case where an OP_INOUT operand
8171         uses a previously untracked register and create an empty chain for it.
8172
8173 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8174
8175         * doc/extend.texi (Function Attributes): Rewrite unfinished
8176         sentence in ms_abi documentation.
8177
8178 2010-03-17  Alan Modra  <amodra@gmail.com>
8179
8180         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
8181         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
8182         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
8183         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
8184
8185 2010-03-16  Richard Henderson  <rth@redhat.com>
8186
8187         PR middle-end/43365
8188         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
8189         (lower_try_finally): Save and restore eh_seq around the expansion
8190         of the try-finally.
8191
8192 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
8193
8194         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
8195         statements before splitting block.
8196
8197 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8198
8199         * doc/sourcebuild.texi (Testsuites): Fix markup.
8200         Use pathnames relative to gcc/testsuite.
8201         (Test Directives): Move description of how timeout is determined.
8202         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
8203         (C Tests): Correct gcc.misc-tests directory.
8204         Framework tests now live in gcc.test-framework.
8205
8206 2010-03-16  Richard Guenther  <rguenther@suse.de>
8207
8208         PR middle-end/43379
8209         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
8210         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
8211
8212 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
8213             Alexandre Oliva  <aoliva@redhat.com>
8214
8215         PR tree-optimization/42917
8216         * lambda-code.c (remove_iv): Skip debug statements.
8217         (lambda_loopnest_to_gcc_loopnest): Likewise.
8218         (not_interesting_stmt): Debug statements are not interesting.
8219
8220 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
8221
8222         PR debug/43051
8223         PR debug/43092
8224         * cselib.c (cselib_preserve_constants,
8225         cfa_base_preserved_val): New static variables.
8226         (preserve_only_constants): New function.
8227         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
8228         clear its REG_VALUES.  If cselib_preserve_constants, don't
8229         empty the whole hash table, but preserve there VALUEs with constants,
8230         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
8231         (cselib_preserve_cfa_base_value): New function.
8232         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
8233         (cselib_init): Change argument to int bitfield.  Set
8234         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
8235         is in it.
8236         (cselib_finish): Clear cselib_preserve_constants and
8237         cfa_base_preserved_val.
8238         * cselib.h (enum cselib_record_what): New enum.
8239         (cselib_init): Change argument to int.
8240         (cselib_preserve_cfa_base_value): New prototype.
8241         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
8242         * dse.c (dse_step1): Likewise.
8243         * cfgcleanup.c (thread_jump): Likewise.
8244         * sched-deps.c (sched_analyze): Likewise.
8245         * gcse.c (local_cprop_pass): Likewise.
8246         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
8247         If FN is non-NULL, call the callback always and whenever it returns
8248         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
8249         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
8250         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
8251         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
8252         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
8253         * var-tracking.c: Include recog.h.
8254         (bb_stack_adjust_offset): Remove.
8255         (vt_stack_adjustments): Don't call it, instead just gather the
8256         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
8257         (adjust_stack_reference): Remove.
8258         (compute_cfa_pointer): New function.
8259         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
8260         (struct adjust_mem_data): New type.
8261         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
8262         functions.
8263         (get_address_mode): New function.
8264         (replace_expr_with_values): Use it.
8265         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
8266         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
8267         (adjust_sets): Remove.
8268         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
8269         Use get_address_mode.
8270         (get_adjusted_src): Remove.
8271         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
8272         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
8273         (add_with_sets): Don't call adjust_sets.
8274         (fp_setter, vt_init_cfa_base): New functions.
8275         (vt_initialize): Change return type to bool.  Move most of pool etc.
8276         initialization to the beginning of the function from end.  Pass
8277         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
8278         If !frame_pointer_needed, call vt_stack_adjustment before mos
8279         vector is filled, call vt_init_cfa_base if argp/framep has been
8280         eliminated to sp.  If frame_pointer_needed and argp/framep has
8281         been eliminated to hard frame pointer, set
8282         hard_frame_pointer_adjustment and call vt_init_cfa_base after
8283         encountering fp setter in the prologue.  For MO_ADJUST, call
8284         log_op_type before pusing the op into mos vector, not afterwards.
8285         Call adjust_insn before cselib_process_insn/add_with_sets,
8286         call cancel_changes (0) afterwards.
8287         (variable_tracking_main_1): Adjust for vt_initialize calling
8288         vt_stack_adjustments and returning whether it succeeded or not.
8289
8290 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
8291
8292         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
8293         debug statements.
8294
8295 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
8296
8297         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
8298         has been set.
8299         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
8300         drap_reg has not been set.
8301
8302 2010-03-15  Michael Matz  <matz@suse.de>
8303
8304         PR middle-end/43300
8305         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
8306         use it to expand block copies.
8307         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
8308         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
8309         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
8310
8311 2010-03-15  Richard Guenther  <rguenther@suse.de>
8312
8313         PR tree-optimization/43367
8314         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
8315         elimination check.
8316
8317 2010-03-15  Richard Guenther  <rguenther@suse.de>
8318
8319         PR tree-optimization/43317
8320         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
8321
8322 2010-03-15  Martin Jambor  <mjambor@suse.cz>
8323
8324         PR tree-optimization/43141
8325         * tree-sra.c (create_abstract_origin): New function.
8326         (modify_function): Call create_abstract_origin.
8327
8328 2010-03-15  Chris Demetriou  <cgd@google.com>
8329
8330         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
8331         wasn't copied.
8332
8333 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8334
8335         PR middle-end/43354
8336         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
8337         call insert_out_of_ssa_copy for default definitions.
8338
8339 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8340
8341         * graphite-clast-to-gimple.c (my_long_long): Defined.
8342         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
8343         * graphite-sese-to-poly.c (my_long_long): Defined.
8344         (scop_ivs_can_be_represented): Use it.
8345
8346 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8347
8348         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
8349         graphite-max-bbs-per-function, and loop-block-tile-size.
8350         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
8351         with "maximum".
8352         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
8353
8354 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8355
8356         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
8357         forward declaration.
8358         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
8359         (add_upper_bounds_from_estimated_nit): New.
8360         (build_loop_iteration_domains): Use it.
8361
8362 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8363
8364         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
8365
8366 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8367
8368         PR middle-end/43306
8369         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
8370         should be an INTEGER_CST.  Also handle CASE_CONVERT.
8371
8372 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8373
8374         * graphite.c (graphite_initialize): To bound the number of bbs per
8375         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
8376         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
8377         * doc/invoke.texi: Document it.
8378
8379 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8380
8381         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
8382         * graphite-sese-to-poly.h (build_poly_scop): Same.
8383
8384 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
8385
8386         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
8387         the number of parameters in the scop.  Use as an upper bound
8388         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
8389         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
8390         * doc/invoke.texi: Document it.
8391
8392 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
8393
8394         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
8395         * doc/c-tree.texi: Remove.
8396         * doc/generic.texi: Merge c-tree.texi here.
8397         * doc/gccint.texi (Trees): Remove menu entry.
8398         (c-tree.texi): Remove @include.
8399         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
8400         * doc/languages.texi (Reading RTL): Ditto.
8401
8402 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
8403
8404         PR target/42869
8405         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
8406
8407 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8408
8409         PR middle-end/42431
8410         * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
8411         code added to work around reload clobbering CONST insns.
8412
8413 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
8414
8415         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
8416         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
8417         (cselib_preserve_only_values): Remove retain argument, don't
8418         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
8419         * cselib.h (cselib_preserve_only_values): Remove retain argument.
8420         * var-tracking.c (micro_operation): Move insn field before union.
8421         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
8422         (struct variable_tracking_info_def): Remove n_mos field, change
8423         mos into a vector of micro_operations.
8424         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
8425         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
8426         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
8427         changing into a vector.
8428         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
8429         come before all other uops generated by add_stores.
8430         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
8431         argument removal.
8432         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
8433         a vector.  Run just one pass over the bbs instead of separate counting
8434         and computation phase.
8435         (vt_finalize): Free VTI (bb)->mos vector instead of array.
8436
8437         PR debug/43329
8438         * tree-inline.c (remap_decls): Put old_var rather than origin_var
8439         into *nonlocalized_list vector.
8440         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
8441         even if origin is non-NULL.
8442         (gen_variable_die): Likewise.
8443         (process_scope_var): Don't change origin.
8444         (gen_decl_die): Likewise.
8445         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
8446         before adding new edges instead of after it, fix moving over
8447         debug stmts.
8448
8449 2010-03-11  David S. Miller  <davem@davemloft.net>
8450
8451         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
8452         of four.
8453         * configure: Rebuild.
8454
8455 2010-03-11  Martin Jambor  <mjambor@suse.cz>
8456
8457         PR tree-optimization/43257
8458         * tree.c (assign_assembler_name_if_neeeded): New function.
8459         (free_lang_data_in_cgraph): Assembler name assignment moved to the
8460         above new function.
8461         * tree.h (assign_assembler_name_if_neeeded): Declare.
8462         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
8463         the function if needed.
8464
8465 2010-03-11  Chris Demetriou  <cgd@google.com>
8466
8467         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
8468         include/stdint-gcc.h, and include/stdint.h world-readable.
8469
8470 2010-03-11  Richard Guenther  <rguenther@suse.de>
8471
8472         PR tree-optimization/43255
8473         * tree-vrp.c (process_assert_insertions_for): Do not insert
8474         asserts for trivial conditions.
8475
8476 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8477
8478         PR tree-optimization/43280
8479         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
8480         generation.  Move calculation of size out of the if branch.
8481         (find_bswap): Modify compare number generation.
8482
8483 2010-03-11  Richard Guenther  <rguenther@suse.de>
8484
8485         PR lto/43200
8486         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
8487         (input_gimple_stmt): Fixup handled component types during
8488         operand read.  Also fix up decls in ADDR_EXPRs.
8489
8490 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
8491
8492         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
8493         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
8494
8495 2010-03-10  Jan Hubicka  <jh@suse.cz>
8496
8497         PR c/43288
8498         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
8499         * varasm.c (get_variable_section): Don't do that here...
8500         (make_decl_rtl): ... and here.
8501         (do_assemble_alias): Produce decl RTL.
8502         (assemble_alias): Likewise.
8503
8504 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
8505
8506         PR debug/43290
8507         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
8508         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
8509         of fde->vdrap_reg.
8510         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
8511         (based_loc_descr): Only express drap or vdrap regno based expressions
8512         using DW_OP_fbreg when not optimizing.
8513         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
8514         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
8515         REG_CFA_SET_VDRAP note.
8516
8517 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
8518
8519         PR tree-optimization/43236
8520         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
8521         error in calculation of base address in reverse iteration case.
8522         (generate_builtin): Take number of latch executions if the statement
8523         is in the latch.
8524
8525 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
8526
8527         PR middle-end/42859
8528         * tree-eh.c: Include pointer-set.h.
8529         (lower_eh_dispatch): Filter out duplicate case labels and
8530         remove the unneeded edge when the label is unused.  Return
8531         true when some edges are removed.
8532         (execute_lower_eh_dispatch): When any lowering resulted in
8533         removing an edge, also delete unreachable blocks.
8534
8535 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
8536
8537         PR bootstrap/43287
8538         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
8539         UNSPEC_MACHOPIC_OFFSET.
8540
8541 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
8542
8543         PR target/43294
8544         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
8545         (m68k_delegitimize_address): New function.
8546
8547 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
8548
8549         PR debug/43299
8550         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
8551
8552         PR debug/43299
8553         * var-tracking.c (adjust_sets): New function.
8554         (count_with_sets, add_with_sets): Use it.
8555         (get_adjusted_src): New inline function.
8556         (add_stores): Use it.
8557
8558         PR debug/43304
8559         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
8560         call cselib_dummy_expand_value_rtx_cb instead of
8561         cselib_expand_value_rtx_cb.
8562
8563         PR debug/43293
8564         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
8565         * config/i386/i386.c: Include debug.h and dwarf2out.h.
8566         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
8567         and .cfi_endproc around the pic thunks.
8568         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
8569         all queued unwind info register saves are saved before the call.
8570         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
8571         considered as sp-=4 for unwind info and the pop as sp+=4 which
8572         also clobbers dest, but doesn't actually restore it.
8573
8574         PR debug/43290
8575         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
8576         RTX_FRAME_RELATED_P.
8577
8578 2010-03-09  Jie Zhang  <jie@codesourcery.com>
8579
8580         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
8581         whitespaces in output template.
8582
8583 2010-03-09  Jie Zhang  <jie@codesourcery.com>
8584
8585         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
8586         out array boundary.
8587
8588 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
8589
8590         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
8591         builtins.exp in a separate job.
8592
8593 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8594
8595         * graphite-sese-to-poly.c (add_param_constraints): Use
8596         lower_bound_in_type and upper_bound_in_type.
8597
8598 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8599
8600         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
8601         instead of unsigned_type_node.
8602
8603 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8604             Reza Yazdani  <reza.yazdani@amd.com>
8605
8606         PR middle-end/43065
8607         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
8608         on pointer type parameters.
8609
8610 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
8611
8612         PR middle-end/42644
8613         PR middle-end/42130
8614         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
8615         handle conversions from pointer to integers.
8616         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
8617         induction variable, to be able to work with code generated by CLooG.
8618         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
8619         (build_poly_scop): Bail out if we cannot codegen a loop.
8620
8621 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
8622
8623         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
8624         code generation with gloog_error.
8625
8626 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8627
8628         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
8629         Call fold_convert on all the returned values.
8630         (expand_scalar_variables_expr): Pass to
8631         expand_scalar_variables_ssa_name the type of the resulting expression.
8632
8633 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8634
8635         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
8636         ppl_min_for_le_pointset.
8637         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
8638         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
8639
8640 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8641
8642         * graphite-dependences.c (map_into_dep_poly): Removed.
8643         (dependence_polyhedron_1): Use combine_context_id_scat.
8644
8645 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8646
8647         * graphite-poly.h (struct poly_scattering): Add layout documentation.
8648         (struct poly_bb): Same.
8649         (combine_context_id_scat): New.
8650
8651 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8652
8653         PR middle-end/42326
8654         * sese.c (name_defined_in_loop_p): Return false for default
8655         definitions.
8656
8657 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8658
8659         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
8660         and clean up the logic.
8661
8662 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
8663
8664         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
8665         early return.
8666
8667 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
8668
8669         * var-tracking.c (remove_cselib_value_chains): Define only for
8670         ENABLE_CHECKING.
8671         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
8672         delete_slot_part, emit_notes_for_differences_1): Don't call
8673         remove_cselib_value_chains here.
8674         (set_slot_part, emit_notes_for_differences_2): Don't call
8675         add_cselib_value_chains here.
8676         (preserved_values): New vector.
8677         (preserve_value): New function.
8678         (add_uses, add_stores, vt_add_function_parameters): Use it
8679         instead of cselib_preserve_value.
8680         (changed_values_stack): New vector.
8681         (check_changed_vars_0): New function.
8682         (check_changed_vars_1, check_changed_vars_2): Use it.
8683         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
8684         changed_values_stack VALUEs.
8685         (vt_emit_notes): For all preserved_values call
8686         add_cselib_value_chains.  If ENABLE_CHECKING call
8687         remove_cselib_value_chains before verifying value_chains is empty.
8688         Initialize and free changed_values_stack.
8689         (vt_initialize): Initialize preserved_values.
8690         (vt_finalize): Free preserved_values.
8691
8692 2010-03-08  Richard Guenther  <rguenther@suse.de>
8693
8694         PR tree-optimization/43269
8695         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
8696         region detection.
8697
8698 2010-03-08  Martin Jambor  <mjambor@suse.cz>
8699
8700         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
8701         (ipa_is_param_called): Removed.
8702         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
8703         (ipa_print_node_params): Do not print the called flag.
8704         (ipa_write_node_info): Do not stream the called flag.
8705         (ipa_read_node_info): Likewise.
8706
8707 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
8708
8709         PR debug/43176
8710         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
8711         * cselib.c (struct expand_value_data): Add dummy field.
8712         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
8713         dummy to false.
8714         (cselib_dummy_expand_value_rtx_cb): New function.
8715         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
8716         any rtl.
8717         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
8718         * var-tracking.c: Include pointer-set.h.
8719         (variable): Change n_var_parts to char from int.  Add
8720         cur_loc_changed and in_changed_variables fields.
8721         (variable_canonicalize): Remove.
8722         (shared_var_p): New inline function.
8723         (unshare_variable): Maintain cur_loc_changed and
8724         in_changed_variables fields.  If var was in changed_variables,
8725         replace it there with new_var.  Just copy cur_loc instead of
8726         resetting it to something else.
8727         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
8728         (dataflow_set_union): Don't call variable_canonicalize.
8729         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
8730         of their DEBUG_EXPR_TREE_DECLs.
8731         (canonicalize_loc_order_check): Verify that cur_loc is NULL
8732         and in_changed_variables and cur_loc_changed is false.
8733         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
8734         and cur_loc_changed.  Don't update cur_loc here.
8735         (variable_merge_over_src): Don't call variable_canonicalize.
8736         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
8737         removing loc that is equal to cur_loc, clear cur_loc,
8738         set cur_loc_changed and ensure variable_was_changed is called.
8739         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
8740         compare pointers in cur_loc check, if it is equal to loc,
8741         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
8742         (variable_different_p): Remove compare_current_location argument,
8743         don't compare cur_loc.
8744         (dataflow_set_different_1): Adjust variable_different_p caller.
8745         (variable_was_changed): If dv had some var in changed_variables
8746         already, reset in_changed_variables flag for it and propagate
8747         cur_loc_changed over to the new variable.  On empty var
8748         always set cur_loc_changed.  Set in_changed_variables on whatever
8749         var is added to changed_variables.
8750         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
8751         Use shared_var_p.  When removing loc that is equal to cur_loc,
8752         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
8753         end, don't set it to something else, just call variable_was_changed.
8754         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
8755         loc being removed, clear cur_loc and set cur_loc_changed.
8756         Set cur_loc_changed if all locations have been removed.
8757         (struct expand_loc_callback_data): New type.
8758         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
8759         allocated.  Always create SUBREGs if simplify_subreg failed.
8760         Prefer to use cur_loc, when that fails and still in
8761         changed_variables (and seen first time) recompute it.  Set
8762         cur_loc_changed of variables which had to change cur_loc and
8763         compute elcd->cur_loc_changed if any of the subexpressions used
8764         had to change cur_loc.
8765         (vt_expand_loc): Adjust to pass arguments in
8766         expand_loc_callback_data structure.
8767         (vt_expand_loc_dummy): New function.
8768         (emitted_notes): New variable.
8769         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
8770         that weren't used for any other decl in current
8771         emit_notes_for_changes call call vt_expand_loc_dummy to update
8772         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
8773         first loc_chain location if NULL before.  Always use just
8774         cur_loc instead of first loc_chain location.  When cur_loc_changed
8775         is false, when not --enable-checking=rtl just don't emit any note.
8776         When rtl checking, compute the note and assert it is the same
8777         as previous note.  Clear cur_loc_changed and in_changed_variables
8778         at the end before removing from changed_variables.
8779         (check_changed_vars_3): New function.
8780         (emit_notes_for_changes): Traverse changed_vars to call
8781         check_changed_vars_3 on each changed var.
8782         (emit_notes_for_differences_1): Clear cur_loc_changed and
8783         in_changed_variables.  Recompute cur_loc of new_var.
8784         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
8785         (vt_emit_notes): Initialize and destroy emitted_notes.
8786
8787 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
8788
8789         PR rtl-optimization/42220
8790         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
8791         Use verify_reg_tracked to determine if we should use OP_OUT rather
8792         than OP_INOUT.
8793         (build_def_use): If we see an in-out operand for a register that we
8794         know nothing about, treat is an output if possible, fail the block if
8795         not.
8796
8797 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8798
8799         PR debug/42897
8800         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
8801         permanently.
8802
8803 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
8804
8805         PR debug/42897
8806         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
8807         uses of relevant DEFs that are dead outside the loop too.
8808
8809 2010-03-06  Alexandre Oliva <aoliva@redhat.com>
8810
8811         * var-tracking.c (dataflow_set_merge): Swap src and src2.
8812         Reverted:
8813         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
8814         PR debug/41371
8815         * var-tracking.c (values_to_unmark): New variable.
8816         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8817         values_to_unmark vector.  Moved body to...
8818         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
8819         instead queue it into values_to_unmark vector.
8820         (vt_find_locations): Free values_to_unmark vector.
8821
8822 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
8823
8824         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
8825         (site.exp): Export them when plugins are enabled.
8826
8827 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
8828
8829         PR middle-end/42326
8830         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
8831         that contain scevs.
8832         (chrec_fold_multiply): Same.
8833
8834 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
8835
8836         PR c/43248
8837         * c-decl.c (build_compound_literal): Return early if init is
8838         an error_mark_node.
8839
8840 2010-03-04  Martin Jambor  <mjambor@suse.cz>
8841
8842         PR tree-optimization/43164
8843         PR tree-optimization/43191
8844         * tree-sra.c (type_consists_of_records_p): Reject records with
8845         zero-size bit-fields at the end.
8846
8847 2010-03-04  Mike Stump  <mikestump@comcast.net>
8848
8849         * Makefile.in (TAGS): Remove *.y.
8850
8851 2010-03-04  Richard Guenther  <rguenther@suse.de>
8852
8853         PR tree-optimization/40761
8854         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
8855         in reverse order.
8856         (my_rev_post_order_compute): New function.
8857         (init_pre): Call it.
8858
8859 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
8860
8861         PR middle-end/43209
8862         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
8863         decrease the cost of an IV candidate when the cost is infinite.
8864
8865 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8866
8867         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
8868         Use '3DNow!' for the extension of that name, ensure normal space
8869         after the string.
8870         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
8871
8872 2010-03-03  Jeff Law  <law@redhat.com>
8873
8874         * PR middle-end/32693
8875         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
8876         than gen_rtx_SUBREG.
8877         (extract_bit_field_1): Likewise.
8878
8879 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
8880
8881         * doc/sourcebuild.texi (Test directives): Document that arguments
8882         include-opts and exclude-opts are now optional for dg-skip-if,
8883         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
8884
8885 2010-03-03  Jason Merrill  <jason@redhat.com>
8886
8887         PR c++/12909
8888         * cgraph.h (varpool_node): Add extra_name field.
8889         * varpool.c (varpool_extra_name_alias): New.
8890         (varpool_assemble_decl): Emit extra name aliases.
8891         (varpool_mark_needed_node): Look past an extra name alias.
8892         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
8893         * lto-streamer-in.c (lto_input_tree): Read it.
8894         * lto-streamer-out.c (output_unreferenced_globals): Write it.
8895
8896 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
8897
8898         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
8899         (sparc*-*-solaris2*): ...this.
8900
8901 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
8902
8903         PR debug/43229
8904         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
8905         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
8906         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
8907         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
8908
8909         PR debug/43237
8910         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
8911         fallthrough to default handling, just with want_address 0 instead of 2.
8912         For single element lists, add_AT_loc directly, otherwise create an
8913         artificial variable DIE and stick location list to it.
8914
8915         PR debug/43177
8916         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
8917         (VAL_EXPR_HAS_REVERSE): Define.
8918         (reverse_op): New function.
8919         (add_stores): For reversible operations add an extra MO_VAL_USE.
8920
8921 2010-03-02  Jason Merrill  <jason@redhat.com>
8922
8923         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
8924
8925 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8926
8927         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
8928         (sparc64-*-linux*): Likewise.
8929         (sparc64-*-solaris2*): Include assembler files before linker ones.
8930         (sparc-*-solaris2*): Simplify and reorder to match previous case.
8931         * config/sparc/gas.h: Delete.
8932         * config/sparc/sol2-64.h: Add copyright notice.
8933         * config/sparc/sol2-gas-bi.h: Likewise.
8934         * config/sparc/sol2-gld.h: Likewise.
8935         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
8936         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
8937         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
8938         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
8939         (sparc_elf_asm_named_section): Rename into...
8940         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
8941
8942 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
8943
8944         * config/alpha/alpha.c (override_options): Fix -mtune error message.
8945
8946 2010-03-02  Jeff Law  <law@redhat.com>
8947
8948         PR middle-end/42431
8949         * reload1.c (rtx_p, substitute_stack): Declare.
8950         (substitute): Record addresses of changed rtxs.
8951         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
8952         Restore the original rtx when complete.
8953         (reload): Free subsitute_stack when complete.
8954
8955 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
8956
8957         * doc/gccint.texi (menu): Add Testsuites as a chapter.
8958         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
8959         new chapter.
8960         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
8961         LTO Testing, gcov Testing, profopt Testing, compat Testing,
8962         Torture Tests): Change from subsection to section.
8963
8964 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
8965             Steven Bosscher  <steven@gcc.gnu.org>
8966
8967         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
8968         instead of bb.
8969
8970 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
8971
8972         PR middle-end/42640
8973         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
8974         the assignment from the new induction variable to the assignment
8975         of the value from the original loop PHI function.
8976
8977 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
8978             Daniel Jacobowitz  <dan@codesourcery.com>
8979
8980         * doc/sourcebuild.texi (Test directives): Clarify options to
8981         dg-skip-if.
8982
8983 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8984
8985         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
8986         Disable cfi directives unless GCC and gas agree on using read-only
8987         .eh_frame sections for 64-bit.
8988         * configure: Regenerate.
8989
8990 2010-03-01  Richard Guenther  <rguenther@suse.de>
8991
8992         PR tree-optimization/43220
8993         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
8994         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
8995
8996 2010-03-01  Richard Guenther  <rguenther@suse.de>
8997             Martin Jambor  <mjambor@suse.cz>
8998
8999         PR middle-end/41250
9000         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
9001         gimplified parameters.
9002
9003 2010-03-01  Christian Bruel  <christian.bruel@st.com>
9004
9005         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
9006
9007 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
9008
9009         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
9010
9011 2010-03-01  Richard Guenther  <rguenther@suse.de>
9012
9013         PR middle-end/43213
9014         * expr.c (expand_assignment): Use the alias-oracle to tell
9015         if the rhs aliases the result decl.
9016
9017 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9018
9019         PR pch/14940
9020         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
9021         to sol_gt_pch_get_address.
9022         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
9023         64-bit, SPARC and x86.
9024         (sol_gt_pch_get_address): New function.
9025
9026 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
9027
9028         * toplev.h (inform_n, error_n): Declare.
9029         * diagnostic.c (inform_n, error_n): New function.
9030
9031 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
9032
9033         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
9034         has no rtl yet when processing local_decls, queue it and recheck
9035         if deferred stack allocation hasn't assigned it rtl.
9036
9037 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
9038
9039         * config/sh/sh.c (unspec_bbr_uid): New.
9040         (gen_block_redirect): Use it instead of INSN_UID.
9041         (gen_far_branch): Likewise.
9042
9043 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
9044
9045         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
9046         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
9047
9048 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9049
9050         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
9051         (Warning Options): -Wno-conversion-null is valid for
9052         Objective-C++ as well.
9053         * doc/tm.texi (Named Address Spaces): Likewise.
9054         * doc/plugins.texi (Plugins): Replace TABs with spaces.
9055         * doc/tree-ssa.texi (Tree SSA): Likewise.
9056
9057 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9058
9059         PR bootstrap/43202
9060         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
9061         by default.  Don't set the default arch for
9062         i[34567]86-*-darwin*|x86_64-*-darwin*.
9063
9064 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9065
9066         PR bootstrap/43202
9067         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
9068         default.  Set the default 32bit/64bit archs with $with_arch
9069         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
9070
9071 2010-02-27  Richard Guenther  <rguenther@suse.de>
9072
9073         PR tree-optimization/43186
9074         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
9075         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
9076         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
9077         unroller iterations.
9078
9079 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
9080
9081         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
9082         required and i[34567]86-*-* targets don't support 64bit ISA.
9083
9084 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
9085
9086         PR ada/43096
9087         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
9088         the same alias set.
9089
9090 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
9091
9092         * config.gcc: Set the default arch at least to Prescott for
9093         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
9094         if SSE math is enabled.
9095
9096 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9097
9098         * diagnostic.c (diagnostic_initialize): Update.
9099         (diagnostic_report_diagnostic): Test inhibit_notes_p for
9100         informative notes.
9101         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
9102         (diagnostic_inhibit_notes): New.
9103         * toplev.c (process_options): inhibit notes with -fcompare-debug.
9104
9105 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9106
9107         PR c/20631
9108         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
9109         * doc/standards.texi: Likewise.
9110         * doc/extend.texi: Likewise.
9111         * doc/trouble.texi: Likewise.
9112         * doc/cppopts.texi: Likewise.
9113         * doc/install.texi: Likewise.
9114         * c.opt (std=c90,std=gnu90): New options.
9115         * c-opts.c (c_common_handle_option): Handle them.
9116
9117 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9118
9119         PR c/24577
9120         * c-decl.c (undeclared_variable): Use an informative note.
9121
9122 2010-02-26  Richard Guenther  <rguenther@suse.de>
9123
9124         PR tree-optimization/43186
9125         * gimple.h (gimple_fold): Remove.
9126         * gimple.c (gimple_fold): Remove.  Inline into single user ...
9127         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
9128         Try harder for conditions.
9129
9130 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
9131
9132         PR debug/43190
9133         * function.c (used_types_insert): Don't skip through named pointer
9134         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
9135         and it is different from the main variant's type.
9136
9137 2010-02-26  Nick Clifton  <nickc@redhat.com>
9138
9139         * config/rx/rx.md (sminsi3): Remove bogus alternative.
9140
9141 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
9142
9143         * config.gcc: Support --with-fpmath=sse for x86.
9144
9145         * config/i386/ssemath.h: New.
9146
9147         * doc/install.texi (--with-fpmath=sse): Documented.
9148
9149 2010-02-26  Richard Guenther  <rguenther@suse.de>
9150
9151         PR tree-optimization/43188
9152         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
9153         vector types of over-aligned element type.
9154
9155 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
9156
9157         PR target/43175
9158         * config/i386/i386.c (expand_vec_perm_blend): Use correct
9159         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
9160
9161 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
9162
9163         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
9164
9165 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
9166
9167         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
9168         * var-tracking.c: Include diagnostic.h.
9169         (debug_dv): New function.
9170         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
9171
9172         PR debug/43160
9173         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
9174         (add_value_chain, add_value_chains, remove_value_chain,
9175         remove_value_chains): Handle DEBUG_EXPRs.
9176         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
9177
9178         PR debug/43161
9179         * regcprop.c (struct queued_debug_insn_change): New type.
9180         (struct value_data_entry): Add debug_insn_changes field.
9181         (struct value_data): Add n_debug_insn_changes field.
9182         (debug_insn_changes_pool): New variable.
9183         (free_debug_insn_changes, apply_debug_insn_changes,
9184         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
9185         (kill_value_one_regno): Call free_debug_insn_changes if needed.
9186         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
9187         fields.
9188         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
9189         changes for them.
9190         (copyprop_hardreg_forward_1): Don't call apply_change_group for
9191         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
9192         changes, call cprop_find_used_regs via note_stores.
9193         (copyprop_hardreg_forward): When copying vd from predecessor
9194         which has any queued DEBUG_INSN changes, make sure the pointers are
9195         cleared.  At the end call df_analyze and then if there are any
9196         DEBUG_INSN changes queued at the end of some basic block for still
9197         live registers, apply them.
9198         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
9199
9200 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
9201
9202         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
9203         (arm*-*-*): Ditto.
9204
9205 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
9206
9207         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
9208         targets.  Set the default with_cpu/with_arch from arch/cpu.
9209         Allow x86-64 and native for with_cpu/with_arch.
9210
9211 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
9212
9213         * ebitmap.c: Change calls to verify_popcount with calls to
9214         sbitmap_verify_popcount.
9215         (ebitmap_clear_bit): Fixed map->cacheindex test and
9216         map>cache update when bit clearing results in an empty
9217         element.
9218
9219 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
9220
9221         PR target/43154
9222         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
9223         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
9224         and support both V2DF and V2DI modes.
9225         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
9226         support both V2DF and V2DI modes.
9227         (general): Delete trailing whitespace from a few patterns.
9228
9229         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
9230         V2DF/V2DI interleave high/low builtins.
9231
9232         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
9233         new VSX builtins.
9234
9235         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
9236         interleave high/low functions.
9237
9238 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
9239
9240         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
9241         #pragma extern_prefix.
9242
9243 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
9244
9245         PR debug/43166
9246         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
9247         BLKmode, assert op0 is a MEM and just adjust its mode.
9248
9249         PR debug/43165
9250         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
9251         if bitpos isn't multiple of mode's bitsize.
9252
9253 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9254
9255         * c.opt (-ftemplate-depth=): New.
9256         (-ftemplate-depth-): Deprecate.
9257         * optc-gen.awk: Handle -ftemplate-depth=.
9258         * opth-gen.awk: Likewise.
9259         * c-opts.c (c_common_handle_option): Likewise.
9260         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
9261
9262 2010-02-24  Jason Merrill  <jason@redhat.com>
9263
9264         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
9265
9266 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9267
9268         * cfg.c (alloc_aux_for_block): Remove inline.
9269         (alloc_aux_for_edge): Likewise.
9270
9271 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9272
9273         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
9274
9275 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9276
9277         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
9278         * config/i386/sol2-gas.h: New file.
9279         * config.gcc (i[34567]86-*-solaris2*): Use it.
9280
9281 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9282
9283         PR c/43128
9284         * c-typeck.c (ep_convert_and_check): New.
9285         (build_conditional_expr): Use it.
9286         (build_binary_op): Likewise.
9287
9288 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
9289
9290         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
9291
9292         PR debug/43150
9293         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
9294         bounds even for -O+.
9295         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
9296         expr needs to have DECL_NAME set.
9297
9298 2010-02-24  Nick Clifton  <nickc@redhat.com>
9299
9300         * config/mep/mep.c: Include gimple.h.
9301         (mep_function_uses_sp): Delete unused function.
9302         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
9303         parameters.  Use unsigned integers to count args.  Return a
9304         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
9305
9306 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
9307
9308         PR target/43107
9309         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
9310         greater or equal to nelt instead of 2 * nelt.
9311         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
9312         with nelt - 1.
9313
9314 2010-02-23  Jason Merrill  <jason@redhat.com>
9315
9316         PR debug/42800
9317         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
9318         in cfun->local_decls even if they have register types.
9319
9320         PR c++/42837
9321         * stor-layout.c (place_field): Don't warn about unnecessary
9322         DECL_PACKED if the type is packed.
9323
9324 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
9325
9326         PR target/43139
9327         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
9328         GOTOFF relocs, even when the base reg isn't pic pointer.
9329
9330 2010-02-23  Michael Matz  <matz@suse.de>
9331
9332         PR debug/43077
9333         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
9334         (expand_gimple_basic_block): Generate and use debug temps if there
9335         are debug uses left after the last real use of TERed ssa names.
9336         Unlink debug immediate uses when they are expanded.
9337
9338 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9339
9340         PR 43123
9341         * config/i386/i386.c (override_options): Reorganise to provide
9342         better error messages.
9343
9344 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
9345
9346         PR middle-end/43083
9347         * graphite-scop-detection.c (create_single_exit_edge): Move
9348         the call to find_single_exit_edge to....
9349         (create_sese_edges): ...here.  Don't handle multiple edges
9350         exiting the function.
9351         (build_graphite_scops): Don't handle multiple edges
9352         exiting the function.
9353
9354 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
9355
9356         PR middle-end/43097
9357         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
9358         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
9359
9360 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
9361
9362         PR middle-end/43026
9363         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
9364
9365 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9366
9367         PR c++/43126
9368         * c-typeck.c (convert_arguments): Print declaration location.
9369         * c-common.c (validate_nargs): Rename as
9370         builtin_function_validate_nargs.
9371         (check_builtin_function_arguments): Update.
9372
9373 2010-02-22  Richard Guenther  <rguenther@suse.de>
9374
9375         PR lto/43045
9376         * tree-inline.c (declare_return_variable): Use the type of
9377         the call stmt lhs if available.
9378
9379 2010-02-22  Duncan Sands  <baldrick@free.fr>
9380
9381         * passes.c (register_pass): Always consider all pass lists when
9382         ref_pass_instance_number is zero.
9383
9384 2010-02-22  Richard Guenther  <rguenther@suse.de>
9385
9386         PR tree-optimization/42749
9387         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
9388         parameter.  Do arithmetic in the original type.
9389         (update_accumulator_with_ops): Likewise.
9390         (adjust_accumulator_values): Adjust.
9391
9392 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9393
9394         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
9395         (QI to BLKmode splitter): New splitter.
9396
9397 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
9398
9399         * config/i386/i386.c (initial_ix86_tune_features): Turn on
9400         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
9401
9402 2010-02-22  Richard Guenther  <rguenther@suse.de>
9403
9404         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
9405
9406 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
9407
9408         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
9409         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
9410         ($(T)crti.o, $(T)crtn.o): Remove rules.
9411
9412 2010-02-21  Tobias Burnus  <burnus@net-b.de>
9413
9414         PR fortran/35259
9415         * doc/invoke.texi (-fassociative-math): Document that this
9416         option is automatically enabled for Fortran.
9417
9418 2010-02-20  David S. Miller  <davem@davemloft.net>
9419
9420         * configure.ac: Test if linker and assembler properly support
9421         GOTDATA_OP relocations.
9422         * configure: Rebuild.
9423         * config.in: Likewise.
9424         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
9425         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
9426         (movsi_high_pic): Likewise.
9427         (movdi_lo_sum_pic): Likewise.
9428         (movdi_high_pic): Likewise.
9429         (movsi_pic_gotdata_op): New pattern.
9430         (movdi_pic_gotdata_op): Likewise.
9431         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
9432         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
9433
9434 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
9435
9436         PR target/43067
9437         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
9438         attribute to ssemul.
9439         (xop_mulv2div2di3_high): Ditto.
9440
9441 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9442
9443         PR c++/35669
9444         * c.opt (Wconversion-null): New option.
9445         * doc/invoke.texi (Wconversion-null): Document.
9446
9447 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9448
9449         * common.opt (Wlarger-than-): Add Undocumented.
9450
9451 2010-02-19  Mike Stump  <mikestump@comcast.net>
9452
9453         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
9454
9455 2010-02-19  Jason Merrill  <jason@redhat.com>
9456
9457         PR target/40332
9458         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
9459         * configure: Likewise.
9460
9461 2010-02-20  Alan Modra  <amodra@gmail.com>
9462
9463         PR middle-end/42344
9464         * cgraph.h (cgraph_make_decl_local): Declare.
9465         * cgraph.c (cgraph_make_decl_local): New function.
9466         (cgraph_make_node_local): Use it.
9467         * cgraphunit.c (cgraph_function_versioning): Likewise.
9468         * ipa.c (function_and_variable_visibility): Likewise.
9469
9470 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
9471
9472         PR bootstrap/43121
9473         * except.c (sjlj_emit_function_enter): Don't call
9474         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
9475         directly.
9476         * rtl.h (add_reg_br_prob_note): Remove prototype.
9477
9478 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
9479
9480         PR 41779
9481         * c-common.c (conversion_warning): Remove widening conversions
9482         before checking the conversion of integers to reals.
9483
9484 2010-02-19  Mike Stump  <mikestump@comcast.net>
9485
9486         PR middle-end/43125
9487         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
9488
9489         PR objc/43061
9490         * cgraphunit.c (process_function_and_variable_attributes): Check
9491         DECL_PRESERVE_P instead of looking up attribute "used".
9492         * ipa-pure-const.c (check_decl): Likewise.
9493         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
9494         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
9495         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
9496         instead of attribute "used".
9497         * config/sol2-c.c (solaris_pragma_init): Likewise.
9498         (solaris_pragma_fini): Likewise.
9499
9500 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
9501
9502         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
9503         Use XCNEW instead of xcalloc.
9504         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
9505         XNEW instead of xmalloc.
9506         (get_fields): Use XNEWVEC instead of xmalloc.
9507
9508         PR debug/43084
9509         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
9510         populate vars array.
9511         (create_new_general_access): For debug stmts just reset value.
9512         (get_stmt_accesses): For accesses within debug stmts just record them
9513         using add_access_to_acc_sites instead of preventing the peeling or
9514         counting them as accesses.
9515
9516         PR middle-end/42233
9517         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
9518
9519 2010-02-19  Richard Guenther  <rguenther@suse.de>
9520
9521         PR tree-optimization/42916
9522         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
9523         instructions.
9524
9525 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
9526
9527         * configure.ac: Replace all uses of changequote in macro arguments
9528         with proper quoting.
9529
9530 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
9531
9532         PR middle-end/42233
9533         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
9534
9535 2010-02-19  Richard Guenther  <rguenther@suse.de>
9536
9537         PR tree-optimization/42944
9538         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
9539         test for aliasing with errno.
9540
9541 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
9542
9543         PR middle-end/42233
9544         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
9545         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
9546         * dojump.c: Include output.h.
9547         (inv): New inline function.
9548         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
9549         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
9550         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
9551         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
9552         argument, pass it down to other calls.
9553         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
9554         add REG_BR_PROB note to the conditional jump.
9555         * cfgexpand.c (add_reg_br_prob_note): Removed.
9556         (expand_gimple_cond): Don't call it, add the probability
9557         as last argument to jumpif_1/jumpifnot_1.
9558         * Makefile.in (dojump.o): Depend on output.h.
9559         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
9560         callers.
9561         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
9562         * stmt.c (do_jump_if_equal): Likewise.
9563         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
9564         * loop-unswitch.c (compare_and_jump_seq): Likewise.
9565         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
9566         Likewise.
9567         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
9568         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
9569         jumpifnot_1 callers.
9570         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
9571         callers.
9572         (store_expr): Adjust jumpifnot caller.
9573         (store_constructor): Adjust jumpif caller.
9574
9575         PR middle-end/42233
9576         * gimplify.c (gimple_boolify): For __builtin_expect call
9577         gimple_boolify also on its first argument.
9578
9579 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
9580
9581         * configure.ac (gnu-unique-object): Wrap regexps using [] in
9582         changequote block.
9583         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
9584         * configure: Regenerated.
9585
9586 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9587
9588         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
9589         lang_hooks.types_compatible_p instead of comptypes.
9590
9591 2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>
9592
9593         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
9594         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
9595         if __prefer_thumb__ is defined.
9596
9597 2010-02-18  Martin Jambor  <mjambor@suse.cz>
9598
9599         PR tree-optimization/43066
9600         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
9601         array with zero-sized element type.
9602
9603 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
9604
9605         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
9606         rtx, allocate struct var_loc_node here and return it to the
9607         caller, and only if it is actually needed.
9608         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
9609         move it earlier and return immediately if it returns NULL.
9610
9611 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
9612
9613         * config/sparc/gas.h: New file.  Restore
9614         TARGET_ASM_NAMED_SECTION to its ELF default.
9615         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
9616         check !HAVE_GNU_AS.
9617         * config/sparc/sparc.c (sparc_elf_asm_named_section):
9618         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
9619         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
9620         after sparc/sysv4.h.
9621
9622 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
9623
9624         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
9625
9626 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
9627
9628         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
9629         patterns from predicated pattern.
9630
9631 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
9632
9633         PR target/43103
9634         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
9635         for insn mnemonic suffix.
9636
9637 2010-02-17  Richard Guenther  <rguenther@suse.de>
9638
9639         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
9640         to loop PHI nodes.
9641
9642 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
9643
9644         PR debug/42918
9645         * caller-save.c (save_call_clobbered_regs): If BB ends with
9646         a DEBUG_INSN, move any notes in between last real insn and the last
9647         DEBUG_INSN after the last DEBUG_INSN.
9648
9649 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
9650
9651         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
9652         Fix return type.  Fix argument type.  Explain meaning of return value.
9653
9654 2010-02-16  Richard Guenther  <rguenther@suse.de>
9655
9656         PR tree-optimization/41043
9657         * tree-vrp.c  (vrp_var_may_overflow): Only ask SCEV for real loops.
9658         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
9659         statements ...
9660         (vrp_visit_phi_node): ... but only for loop PHI nodes.
9661
9662 2010-02-16  Ira Rosen  <irar@il.ibm.com>
9663
9664         PR tree-optimization/43074
9665         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
9666         * tree-vect-loop.c (vect_analyze_loop_operations): Add
9667         vectorizable cycles in hybrid SLP check.
9668         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
9669
9670 2010-02-16  Richard Guenther  <rguenther@suse.de>
9671
9672         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
9673         (true_dependence): If memrefs_conflict_p computes must-alias
9674         trust it.  Move TBAA check after offset-based disambiguation.
9675         (canon_true_dependence): Likewise.
9676
9677 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
9678
9679         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
9680         * doc/invoke.texi: Document it.
9681         * var-tracking.c: Include toplev.h and params.h.
9682         (vt_find_locations): Return bool indicating success.  Compute
9683         hash sizes unconditionally.  Check new parameter, report.
9684         (variable_tracking_main_1): Check vt_find_locations results and
9685         retry.  Renamed from...
9686         (variable_tracking_main): ... this.  New wrapper to preserve
9687         flag_var_tracking_assignments.
9688         * Makefile.in (var-tracking.o): Adjust dependencies.
9689
9690 2010-02-16  Jack Howarth <howarth@bromo.med.uc.edu>
9691             Jakub Jelinek <jakub@redhat.com>
9692
9693         PR target/42854
9694         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
9695         if weak_import attribute is present.
9696         * config/darwin.c (machopic_select_section): Likewise.
9697
9698 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
9699
9700         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
9701         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
9702         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
9703         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
9704
9705         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
9706         types.
9707
9708         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
9709         Fix argument types.
9710
9711         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
9712         Rewrite text to refer to the names.
9713
9714 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
9715
9716         * config/i386/i386-builtin-types.def
9717         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
9718         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
9719         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
9720         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
9721         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
9722         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
9723         IX86_BUILTIN_VPERMIL2PS256.
9724         (MULTI_ARG_4_DF2_DI_I): Defined.
9725         (MULTI_ARG_4_DF2_DI_I1): Defined.
9726         (MULTI_ARG_4_SF2_SI_I): Defined.
9727         (MULTI_ARG_4_SF2_SI_I1): Defined.
9728         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
9729         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
9730         __builtin_ia32_vpermil2ps256.
9731         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
9732         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
9733         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
9734         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
9735         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
9736         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
9737         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
9738         CODE_FOR_xop_vpermil2v8sf3.
9739         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
9740         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
9741         * config/i386/xopintrin.h (_mm_permute2_pd): New.
9742         (_mm256_permute2_pd): New.
9743         (_mm_permute2_ps): New.
9744         (_mm256_permute2_ps): New.
9745
9746 2010-02-15  Nick Clifton  <nickc@redhat.com>
9747
9748         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
9749         boolean parameters.  Use emit_jump_insn when emitting a pop
9750         instruction containing a return insn.
9751         (push): Use 'true' rather than '1' as second parameter to F.
9752         (h8300_expand_prologue): Likewise.
9753         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
9754         (h8300_expand_epilogue): Likewise.
9755
9756 2010-02-15  Richard Guenther  <rguenther@suse.de>
9757
9758         PR middle-end/43068
9759         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
9760         if that is zero.
9761
9762 2010-02-15  Nick Clifton  <nickc@redhat.com>
9763
9764         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
9765         delta.
9766
9767 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
9768
9769         * intl.c (fake_ngettext): New function.
9770         * intl.h (fake_ngettext): Declare.
9771         (ngettext): Define macro.
9772         * collect2.c (notice_translated): New function.
9773         (main): Use notice_translated and ngettext.
9774         * collect2.h (notice_translated): Declare.
9775
9776 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
9777
9778         * reorg.c (delete_computation): Comment fixes.
9779         * caller-save.c (setup_save_areas): Idem.
9780         * sel-sched-dump.c (dump_lv_set): Idem.
9781         * rtl.def: Idem.
9782
9783 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9784
9785         * config/s390/s390.c (s390_sched_init): New function.
9786         (TARGET_SCHED_INIT): Target hook defined.
9787
9788 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
9789             Jack Howarth  <howarth@bromo.med.uc.edu>
9790             Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
9791
9792         PR target/42982
9793         Partial revert of unintended change in fix for PR41605.
9794         * config/darwin.h: Fix typo.
9795         * config/darwin9.h: Same.
9796
9797 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9798
9799         * c-pch.c (pch_init): Clear v.
9800
9801 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9802
9803         PR middle-end/42930
9804         * graphite-scop-detection.c (graphite_can_represent_scev): Call
9805         graphite_can_represent_init for MULT_EXPR.
9806
9807 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9808
9809         PR middle-end/42914
9810         PR middle-end/42530
9811         * graphite-sese-to-poly.c (remove_phi): New.
9812         (translate_scalar_reduction_to_array): Call remove_phi.
9813
9814 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9815
9816         PR middle-end/42771
9817         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
9818         * graphite-clast-to-gimple.h (gloog): Update declaration.
9819         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
9820         * graphite-poly.h (struct poly_bb): Add missing comments.
9821         (struct scop): Add poly_scop_p field.
9822         (POLY_SCOP_P): New.
9823         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
9824         * graphite.c (graphite_transform_loops): Build the polyhedral
9825         representation for each scop before code generation.
9826         * sese.c (rename_variables_in_operand): Removed.
9827         (rename_variables_in_expr): Return the renamed expression.
9828         (rename_sese_parameters): New.
9829         * sese.h (rename_sese_parameters): Declared.
9830
9831 2010-02-11  Richard Guenther  <rguenther@suse.de>
9832
9833         PR tree-optimization/42998
9834         * tree-ssa-pre.c (create_expression_by_pieces): Treat
9835         POINTER_PLUS_EXPR properly.
9836
9837 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
9838             Changpeng Fang  <changpeng.fang@amd.com>
9839
9840         PR middle-end/40886
9841         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
9842         the cost of an IV candidate when the IV is used in a test against zero.
9843
9844         * gcc.dg/tree-ssa/ivopts-3.c: New.
9845
9846 2010-02-11  Richard Guenther  <rguenther@suse.de>
9847
9848         PR lto/41664
9849         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
9850         pointer-vs-decl case by swapping refs.  Handle some cases
9851         of pointer-vs-decl disambiguations more conservatively.
9852         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
9853         to false after expanding.
9854
9855 2010-02-11  Richard Guenther  <rguenther@suse.de>
9856
9857         PR driver/43021
9858         * gcc.c (process_command): Handle LTO file@offset case more
9859         appropriately.
9860
9861 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
9862
9863         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
9864         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
9865         of DEBUG_INSNs.
9866         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
9867
9868         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
9869         if MEM's mode size isn't DWARF2_ADDR_SIZE.
9870         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
9871         Optimize eq/ne comparisons when both arguments are known to be
9872         zero-extended.
9873         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
9874         Don't mask operands unnecessarily if they are known to be already
9875         zero-extended.
9876
9877 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
9878
9879         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
9880         instead of loop.
9881
9882 2010-02-10  Richard Guenther  <rguenther@suse.de>
9883
9884         PR tree-optimization/43017
9885         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
9886         for wrapping signed arithmetic.
9887
9888 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9889
9890         PR debug/43010
9891         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
9892         if no debug info should be emitted for it.
9893
9894 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9895
9896         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
9897         note when flag_exceptions is set.
9898
9899 2010-02-10  Duncan Sands  <baldrick@free.fr>
9900
9901         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
9902
9903 2010-02-10  Richard Guenther  <rguenther@suse.de>
9904
9905         PR c/43007
9906         * tree.c (get_unwidened): Handle constants.
9907         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
9908
9909 2010-02-10  Martin Jambor  <mjambor@suse.cz>
9910
9911         PR lto/42985
9912         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
9913         check for variable argument counts independently.
9914
9915 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9916
9917         PR target/42841
9918         * config/sh/sh.c (find_barrier): Increase length for non delayed
9919         conditional branches.
9920
9921 2010-02-10  Christian Bruel  <christian.bruel@st.com>
9922
9923         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
9924
9925 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
9926
9927         * builtins.c (set_builtin_user_assembler_name): Also handle
9928         ffs if int is smaller than word.
9929
9930 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
9931
9932         PR middle-end/42973
9933         * ira-conflicts.c (get_dup): Remove.
9934         (process_reg_shuffles): Add new parameter.  Use it as an
9935         additional guard for copy generation.
9936         (add_insn_allocno_copies): Rewrite.
9937
9938 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
9939
9940         * common.opt (fsched2-use-traces): Preserved for backward
9941         compatibility.
9942         * doc/invoke.texi: Remove the documentation about option
9943         -fsched2-use-traces.
9944         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
9945         flag_sched2_use_traces.
9946         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
9947         the backward compatibility flag section.
9948
9949 2010-02-09  Richard Guenther  <rguenther@suse.de>
9950
9951         PR tree-optimization/43008
9952         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
9953         make HEAP variables initialized from global memory if they
9954         are not known builtin functions.
9955         (find_func_aliases): Adjust.
9956
9957 2010-02-09  Richard Guenther  <rguenther@suse.de>
9958
9959         PR tree-optimization/43000
9960         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
9961         arithmetic manually.
9962
9963 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
9964
9965         PR tree-optimization/42931
9966         * tree-loop-linear.c (try_interchange_loops): Don't call
9967         double_int_mul if estimated_loop_iterations failed.
9968
9969 2010-02-08  Martin Jambor  <mjambor@suse.cz>
9970
9971         PR middle-end/42898
9972         * tree-sra.c (build_accesses_from_assign): Do not mark in
9973         should_scalarize_away_bitmap if stmt has volatile ops.
9974         (sra_modify_assign): Do not process assigns piecemeal if if stmt
9975         has volatile ops.
9976
9977 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
9978
9979         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
9980
9981 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
9982
9983         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
9984         before the pattern.
9985
9986 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
9987
9988         PR middle-end/42946
9989         * df-core.c (df_finish_pass): Change type of saved_flags to int.
9990
9991 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
9992
9993         PR middle-end/42988
9994         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
9995         to unknown_dependence.
9996         (graphite_legal_transform_dr): Handle the unknown_dependence.
9997         (graphite_carried_dependence_level_k): Same.
9998
9999 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
10000
10001         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
10002
10003 2010-02-07  Richard Guenther  <rguenther@suse.de>
10004
10005         PR middle-end/42991
10006         * expr.c (get_inner_reference): Always initialize *pbitsize.
10007
10008 2010-02-07  Richard Guenther  <rguenther@suse.de>
10009
10010         PR middle-end/42956
10011         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
10012         new ARRAY_REFs on variable size element or minimal index arrays.
10013         Complete.
10014         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
10015         gimple_fold_indirect_ref.
10016
10017 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
10018
10019         PR target/42957
10020         * arm.c (arm_override_options): Just return if the user has specified
10021         an invalid fpu name.
10022
10023 2010-02-03  Jason Merrill  <jason@redhat.com>
10024
10025         PR c++/42870
10026         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
10027         i386_pe_maybe_record_exported_symbol.
10028
10029 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
10030
10031         PR target/42924
10032         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
10033         (pa_delegitimize_address): New function.
10034
10035 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
10036
10037         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
10038         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
10039
10040 2010-02-05  Richard Guenther  <rguenther@suse.de>
10041
10042         PR lto/42762
10043         * lto-streamer-in.c (get_resolution): Deal with references
10044         to undefined functions.
10045
10046 2010-02-05  Richard Guenther  <rguenther@suse.de>
10047
10048         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
10049         (fold_const_aggregate_ref): Likewise.
10050         (ccp_fold_stmt): Substitute loads.
10051         (maybe_fold_reference): Verify types before substituting.
10052         Unshare properly.
10053         (fold_gimple_assign): Unshare properly.
10054         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
10055
10056 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
10057
10058         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
10059         for rs6000_gen_cell_microcode.
10060
10061 2010-02-04  Richard Guenther  <rguenther@suse.de>
10062
10063         PR rtl-optimization/42952
10064         * dse.c (const_or_frame_p): Remove MEM handling.
10065
10066 2010-02-04  Nick Clifton  <nickc@redhat.com>
10067
10068         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
10069         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
10070         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
10071         (mn10300_asm_output_mi_thunk): New function.
10072         (mn10300_can_output_mu_thunk): New function.
10073         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
10074         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
10075         (FUNCTION_ARG): Delete incorrect comment.
10076
10077 2010-02-03  Jason Merrill  <jason@redhat.com>
10078
10079         PR c++/40138
10080         * fold-const.c (operand_equal_p): Handle erroneous types.
10081
10082 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
10083
10084         * config/h8300/h8300.md (can_delay): Fix attibute condition.
10085
10086 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
10087
10088         PR rtl-optimization/42941
10089         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
10090         of xmalloc.
10091
10092 2010-02-03  Jason Merrill  <jason@redhat.com>
10093
10094         PR c++/35652
10095         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
10096
10097 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
10098
10099         PR debug/42896
10100         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
10101         (cselib_reset_table): Renamed from...
10102         (cselib_reset_table_with_next_value): ... this.
10103         (cselib_get_next_uid): Renamed from...
10104         (cselib_get_next_unknown_value): ... this.
10105         * cselib.c (next_uid): Renamed from...
10106         (next_unknown_value): ... this.
10107         (cselib_clear_table): Adjust.
10108         (cselib_reset_table): Adjust.  Renamed from...
10109         (cselib_reset_table_with_next_value): ... this.
10110         (cselib_get_next_uid): Adjust.  Renamed from...
10111         (cselib_get_next_unknown_value): ... this.
10112         (get_value_hash): Use hash.
10113         (cselib_hash_rtx): Likewise.
10114         (new_cselib_val): Adjust.  Set and dump uid.
10115         (cselib_lookup_mem): Pass next_uid as hash.
10116         (cselib_subst_to_values): Likewise.
10117         (cselib_log_lookup): Dump uid.
10118         (cselib_lookup): Pass next_uid as hash.  Adjust.
10119         (cselib_process_insn): Adjust.
10120         (cselib_init): Initialize next_uid.
10121         (cselib_finish): Adjust.
10122         (dump_cselib_table): Likewise.
10123         * dse.c (canon_address): Dump value uid.
10124         * print-rtl.c (print_rtx): Print value uid.
10125         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
10126         (dvuid): New type.
10127         (dv_uid): New function, sort of renamed from...
10128         (dv_htab_hash): ... this, reimplemented in terms of it and...
10129         (dv_uid2hash): ... this.  New.
10130         (variable_htab_eq): Drop excess assertions.
10131         (tie_break_pointers): Removed.
10132         (canon_value_cmp): Compare uids.
10133         (variable_post_merge_New_vals): Print uids.
10134         (vt_add_function_parameters): Adjust.
10135         (vt_initialize): Reset table.  Adjust.
10136
10137 2010-02-03  Richard Guenther  <rguenther@suse.de>
10138
10139         PR tree-optimization/42944
10140         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
10141         (call_may_clobber_ref_p_1): Likewise.  Properly handle
10142         malloc and calloc clobbering errno.
10143
10144 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
10145
10146         * doc/invoke.texi: Fix name of sched1 dump.
10147
10148         * opts.c (decode_options): Set flag_tree_switch_conversion
10149         only conditionally on optimize >= 2.
10150
10151         * gcse.c: Assorted comment fixes in pass description.
10152
10153 2010-02-03  Anthony Green  <green@moxielogic.com>
10154
10155         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
10156         nop padding in order to maintain alignment of storage location of
10157         target function address.
10158         (moxie_trampoline_init): Store target function address at newly
10159         aligned location.
10160         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
10161         to 32.
10162         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
10163
10164 2010-02-03  Richard Guenther  <rguenther@suse.de>
10165
10166         PR middle-end/42927
10167         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
10168
10169 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10170
10171         * config.gcc: Reenable check for obsolete targets.
10172         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
10173         mips-sgi-irix6.[0-4]*.
10174
10175 2010-02-02  Nick Clifton  <nickc@redhat.com>
10176
10177         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
10178         constant size of 4 as being the same as 0.
10179         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
10180         can take values in the range 0..4.
10181
10182 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
10183
10184         PR java/41991
10185         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
10186         as _darwin10_Unwind_FindEnclosingFunction().
10187         * libgcc-libsystem.ver: New.
10188
10189 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
10190
10191         PR target/41399
10192         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
10193         implicitly set registers.
10194
10195 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
10196
10197         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
10198         (arm_override_options): Allow automatic selection of the thread
10199         pointer register if thumb2.
10200         (legitimize_pic_address): Improve code sequences for Thumb2.
10201         (arm_call_tls_get_addr): Likewise.
10202         (legitimize_tls_address): Likewise.
10203         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
10204         (pic_load_addr_32bit): ... this.  New named pattern.
10205         * thumb2.md (pic_load_addr_thumb2): Delete.
10206         (pic_load_dot_plus_four): Delete.
10207         (tls_load_dot_plus_four): New named pattern.
10208
10209 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10210
10211         PR libgomp/29986
10212         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
10213         Document fix for TLS bug.
10214
10215 2010-01-31  Richard Guenther  <rguenther@suse.de>
10216
10217         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
10218         conservatively correct.
10219
10220 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10221
10222         PR target/42850
10223         Revert:
10224         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10225
10226         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
10227
10228 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10229
10230         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
10231
10232 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
10233
10234         * config.gcc: Adjust order of makefile fragments for mingw targets.
10235
10236 2010-01-31  Richard Guenther  <rguenther@suse.de>
10237
10238         PR middle-end/42898
10239         * gimplify.c (gimplify_init_constructor): For volatile LHS
10240         initialize a temporary.
10241
10242 2010-01-31  Matthias Klose  <doko@ubuntu.com>
10243
10244         * configure.ac: Fix __stack_chk_fail check for cross builds configured
10245         --with-headers
10246         * configure: Regenerate.
10247
10248 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
10249
10250         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
10251         the same alias set and their sizes different constantness.
10252         (aliasing_component_refs_p): Revert 2009-10-24 change.
10253
10254 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10255
10256         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
10257         unused.
10258
10259 2010-01-29  Richard Guenther  <rguenther@suse.de>
10260
10261         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
10262         Assert we successfully updated the call.
10263
10264 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
10265
10266         PR rtl-optimization/42889
10267         * df.h (df_set_bb_dirty_nonlr): New prototype.
10268         * df-core.c (df_set_bb_dirty_nonlr): New function.
10269         * df-scan.c (df_insn_rescan): Call it instead of
10270         df_set_bb_dirty for DEBUG_INSNs.
10271
10272 2010-01-29  Richard Guenther  <rguenther@suse.de>
10273
10274         PR middle-end/37448
10275         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
10276         quadratic behavior in most cases.
10277
10278 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
10279
10280         PR target/42891
10281         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
10282         in the call to gen_x86_movsicc_0_m1.
10283
10284 2010-01-28  Richard Guenther  <rguenther@suse.de>
10285
10286         PR tree-optimization/42871
10287         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
10288
10289 2010-01-28  Richard Guenther  <rguenther@suse.de>
10290
10291         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
10292         into call arguments.
10293
10294 2010-01-28  Richard Guenther  <rguenther@suse.de>
10295
10296         PR middle-end/42883
10297         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
10298         the forwarder if the destination is an EH landing pad.
10299
10300 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
10301
10302         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
10303         block list passed to gimple_duplicate_sese_tail.
10304         (parallelize_loops): Avoid parallelization when the function
10305         has_nonlocal_label.
10306         Avoid parallelization when the preheader is IRREDUCIBLE.
10307         Try to optimize when estimated_loop_iterations_int is unresolved.
10308         Add the loop's location to the dump file.
10309         * tree-cfg.c (add_phi_args_after_redirect): Remove.
10310         (gimple_duplicate_sese_tail): Remove the check for the latch.
10311         Redirect nexits to the exit block.
10312         Remove handling of the incoming edges to the latch.
10313         Redirect the backedge from the copied latch to the exit bb.
10314
10315 2010-01-28  Michael Matz  <matz@suse.de>
10316
10317         PR target/42881
10318         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
10319         Wrap force_reg into a sequence, emit it before user.
10320
10321 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
10322
10323         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
10324         (arm_rev): New.
10325         (arm_legacy_rev): Likewise.
10326         (thumb_legacy_rev): Likewise.
10327
10328 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
10329
10330         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
10331         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
10332         on MEM's address failed, try avoid_constant_pool_reference and
10333         recurse if it returned something different.
10334         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
10335         address, try avoid_constant_pool_reference and recurse if it
10336         returned something different.
10337         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
10338         address and avoid_constant_pool_reference returned something
10339         different, don't set have_address.
10340
10341 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
10342
10343         PR debug/42861
10344         * var-tracking.c (val_store): Add modified argument, obey it.
10345         Adjust callers.
10346         (count_uses): Move down logging of main.
10347         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
10348         don't need resolution.
10349         (emit_notes_in_bb): Likewise.
10350
10351 2010-01-27  Richard Guenther  <rguenther@suse.de>
10352
10353         PR middle-end/42878
10354         * tree-inline.c (remap_decl): Delay remapping of SSA name
10355         default definitions until we need them.
10356
10357 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
10358
10359         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
10360         (rs6000_delegitimize_address): New function.
10361
10362         * config/s390/s390.c (s390_delegitimize_address): Call
10363         delegitimize_mem_from_attrs.
10364
10365         PR middle-end/42874
10366         * tree-inline.c (cannot_copy_type_1): Removed.
10367         (copy_forbidden): Don't forbid copying of functions containing
10368         records/unions with variable length fields.
10369
10370 2010-01-27  Christian Bruel  <christian.bruel@st.com>
10371
10372         Revert:
10373         PR target/42841
10374         * config/sh/sh.c (find_barrier): Increase length for non delayed
10375         conditional branches.
10376
10377 2010-01-27  Matthias Klose  <doko@ubuntu.com>
10378
10379         * configure.ac (gnu-unique-object): Fix ldd version check.
10380         * configure: Regenerate.
10381
10382 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10383
10384         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
10385         HAVE_GNU_AS value.
10386         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
10387         Test for HAVE_GNU_AS value.
10388
10389 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10390
10391         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
10392         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
10393         INT64_TYPE): Define.
10394         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
10395         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
10396         INT_LEAST64_TYPE): Define.
10397         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
10398         UINT_LEAST64_TYPE): Define.
10399         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
10400         INT_FAST64_TYPE): Define.
10401         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
10402         UINT_FAST64_TYPE): Define.
10403         (INTMAX_TYPE, UINTMAX_TYPE): Define.
10404         (INTPTR_TYPE, UINTPTR_TYPE): Define.
10405         (SIG_ATOMIC_TYPE): Define.
10406
10407 2010-01-26  Richard Guenther  <rguenther@suse.de>
10408
10409         * df-scan.c (df_scan_set_bb_info): Remove assert.
10410         (df_insn_rescan_debug_internal): Merge asserts.
10411         (df_install_ref): Likewise.
10412         (df_mark_reg): Use bitmap_set_range.
10413         (df_hard_reg_used_p): Remove assert.
10414         (df_hard_reg_used_count): Likewise.
10415
10416 2010-01-26  Richard Guenther  <rguenther@suse.de>
10417
10418         PR rtl-optimization/42685
10419         * web.c (web_main): Ignore DEBUG_INSNs.
10420
10421 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
10422
10423         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
10424
10425         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
10426         Fix types of fndecl and arglist parameters.
10427
10428 2010-01-26  Richard Guenther  <rguenther@suse.de>
10429
10430         PR middle-end/42806
10431         * tree-eh.c (unsplit_eh): Skip debug insns.
10432
10433 2010-01-26  Richard Guenther  <rguenther@suse.de>
10434
10435         PR tree-optimization/42250
10436         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
10437
10438 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
10439
10440         PR fortran/42866
10441         * omp-low.c (expand_omp_sections): Only use single_pred if
10442         l2_bb is single_pred_p.
10443
10444 2010-01-25  Christian Bruel  <christian.bruel@st.com>
10445
10446         PR target/42841
10447         * config/sh/sh.c (find_barrier): Increase length for non delayed
10448         conditional branches.
10449         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
10450
10451 2010-01-24  David S. Miller  <davem@davemloft.net>
10452
10453         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
10454         define if not using GAS.
10455         * config/sparc/sparc.c (sparc_elf_asm_named_section):
10456         Likewise.  Delete SECTION_MERGE code, which is only applicable
10457         when using GAS.
10458
10459 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
10460
10461         PR c++/42748
10462         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
10463         mangling of va_list in system headers.
10464
10465 2010-01-23  Toon Moene  <toon@moene.org>
10466
10467         * tree-predcom.c (combine_chains): Return NULL, not false.
10468
10469 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
10470
10471         * tree-loop-distribution.c (distribute_loop): Fix declaration and
10472         initialization of variable res to agree with return type.
10473
10474 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
10475
10476         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
10477         * tree-sra.c: Add include of expr.h.
10478
10479 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
10480
10481         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
10482         insert the debug stmt on the single non-EH edge from the stmt.
10483
10484 2010-01-22  Richard Henderson  <rth@redhat.com>
10485
10486         PR tree-opt/42833
10487         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
10488         the RHS until after generate_subtree_copies has insertted its
10489         code before the current statement.
10490
10491 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
10492
10493         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
10494
10495         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
10496
10497 2010-01-21  Martin Jambor  <mjambor@suse.cz>
10498
10499         PR tree-optimization/42585
10500         * tree-sra.c (struct access): New field grp_total_scalarization.
10501         (dump_access): Dump the new field.
10502         (should_scalarize_away_bitmap): New variable.
10503         (cannot_scalarize_away_bitmap): Likewise.
10504         (sra_initialize): Allocate new bitmaps.
10505         (sra_deinitialize): Free new bitmaps.
10506         (create_access_1): New function.
10507         (create_access): Parts moved to create_access_1.
10508         (type_consists_of_records_p): New function.
10509         (completely_scalarize_record): Likewise.
10510         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
10511         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
10512         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
10513         access.
10514         (analyze_all_variable_accesses): Completely scalarize small eligible
10515         records.
10516
10517 2010-01-21  Martin Jambor  <mjambor@suse.cz>
10518
10519         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
10520
10521 2010-01-21  Andrew Haley  <aph@redhat.com>
10522
10523         * gcc.c (process_command): Move lang_specific_driver before
10524         setting cc_libexec_prefix.
10525
10526 2010-01-21  Richard Guenther  <rguenther@suse.de>
10527
10528         PR middle-end/19988
10529         * fold-const.c (negate_expr_p): Pretend only negative
10530         real constants are easily negatable.
10531
10532 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
10533             Jason Merrill  <jason@redhat.com>
10534
10535         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
10536         (TYPE_TRANSPARENT_AGGR): this, for union and record.
10537         * calls.c (initialize argument_information): Handle it.
10538         * c-common.c (handle_transparent_union_attribute): Use new name.
10539         * c-decl.c (finish_struct): Ditto.
10540         * c-typeck.c (type_lists_compatible_p): Ditto.
10541         (convert_for_assignment): Use new name and also handle record.
10542         * function.c (aggregate_value_p): Handle it.
10543         (pass_by_reference): Ditto.
10544         (assign_parm_data_types): Ditto.
10545         * print-tree.c (print_node): Ditto.
10546         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
10547         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
10548         * tree.c (first_field): New fn.
10549
10550 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
10551
10552         PR target/42818
10553         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
10554         even when linking statically, for now.
10555
10556 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
10557
10558         PR debug/42715
10559         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
10560         without a cselib val.
10561         (count_uses): Accept MO_VAL_SET with no val on stores.
10562         (add_stores): Likewise.
10563
10564 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
10565
10566         * var-tracking.c (check_value_val): Add a compile time assertion.
10567         (dv_is_decl_p): Simplify.
10568         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
10569         gcc_assert if ENABLE_CHECKING.
10570
10571 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
10572
10573         PR debug/42782
10574         * var-tracking.c: Include tree-flow.h.
10575         (mem_dies_at_call): New.
10576         (dataflow_set_preserve_mem_locs): Use it.
10577         (dataflow_set_remove_mem_locs): Likewise.
10578         (dump_var): Renamed from dump_variable.  Adjust all callers.
10579         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
10580         * Makefile.in (var-tracking.o): Adjust deps.
10581
10582 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
10583
10584         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
10585
10586 2010-01-20  Richard Guenther  <rguenther@suse.de>
10587
10588         PR tree-optimization/42717
10589         * tree-ssa-dce.c (get_live_post_dom): Remove.
10590         (forward_edge_to_pdom): Take an arbitrary edge to copy
10591         degenerate PHI args from.
10592         (remove_dead_stmt): Use the first post-dominator even if it
10593         does not contain live statements as redirection destination.
10594
10595 2010-01-20  Richard Guenther  <rguenther@suse.de>
10596
10597         * tree-inline.c (estimate_num_insns): Handle EH builtins.
10598
10599 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
10600
10601         * sel-sched.c (create_speculation_check): Remove set but not used
10602         variable twin.
10603         (try_transformation_cache): Remove set but not used variable ds.
10604         (calculate_privileged_insns): Remove set but not used variables
10605         cur_insn and min_spec_insn.
10606         (find_best_expr): Remove set but not used variable avail_n.
10607         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
10608         variable e.
10609         * cgraphunit.c (assemble_thunk): Remove set but not used variable
10610         false_label.
10611         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
10612         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
10613         new_scop_exit_edge.
10614
10615 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
10616
10617         PR bootstrap/42786
10618         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
10619         cpu types.  Add support for *-sse3 cpu types.
10620         (x86_64-*-*): Ditto.
10621
10622 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
10623
10624         PR middle-end/42803
10625         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
10626         argument, call initializer_constant_valid_p_1 instead of
10627         initializer_constant_valid_p, pass CACHE to it, return NULL
10628         immediately if first call returns NULL.
10629         (initializer_constant_valid_p_1): New function.
10630         (initializer_constant_valid_p): Use it.
10631
10632 2010-01-20  Thomas Quinot  <quinot@adacore.com>
10633
10634         * tree.def (PLACEHOLDER_EXPR): Fix comment.
10635
10636 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
10637
10638         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
10639         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
10640         (loc_list_from_tree): Don't handle unsigned division.  Handle
10641         signed modulo using DW_OP_{over,over,div,mul,minus}.
10642         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
10643         modulo instead of signed.
10644
10645 2010-01-20  DJ Delorie  <dj@redhat.com>
10646
10647         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
10648         (Fpa): Pass it
10649         (h8300_emit_stack_adjustment): Propogate it.
10650         (push): Pass it.
10651         (h8300_expand_prologue): Likewise.
10652         (h8300_expand_epilogue): Likewise.
10653
10654 2010-01-19  Michael Matz  <matz@suse.de>
10655
10656         PR tree-optimization/41783
10657         * tree-data-ref.c (toplevel): Include flags.h.
10658         (dump_data_dependence_relation):  Also dump the inputs if the
10659         result will be unknown.
10660         (split_constant_offset_1): Look through some conversions.
10661         * tree-predcom.c (determine_roots_comp): Restart a new chain if
10662         the offset from last element is too large.
10663         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
10664         (reassociate_to_the_same_stmt): Handle vector registers.
10665         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
10666         (e.g. conversions).
10667         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
10668         wide_prolog_niters argument, emit widening instructions.
10669         (vect_do_peeling_for_alignment): Adjust caller, use widened
10670         variant of the iteration cound.
10671         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
10672
10673 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
10674
10675         PR target/38697
10676         * config/arm/neon-testgen.m (emit_automatics): New parameter
10677         features. Adjust for Fixed_return_reg feature.
10678         (test_intrinsic): Call emit_automatics with new feature.
10679         * config/arm/neon.ml: Update copyright years.
10680         (features): New Fixed_return_reg feature.
10681         (ops): Update feature for Vget_low.
10682
10683 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
10684
10685         PR tree-optimization/42719
10686         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
10687         stmt uses.
10688
10689         PR debug/42728
10690         * fwprop.c (all_uses_available_at): Return false if def_set dest
10691         is a REG that is used in def_insn.
10692
10693 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
10694
10695         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
10696
10697         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
10698         Add argument names.
10699
10700         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
10701
10702         * target.h (struct gcc_target) <secondary_reload>: Change type
10703         of last argument to secondary_reload_info *.
10704
10705 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
10706
10707         PR target/42774
10708         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
10709         memory references with unaligned offsets.  Remove CQImode handling.
10710         (unaligned_memory_operand): Return 1 for memory references with
10711         unaligned offsets.  Remove CQImode handling.
10712
10713 2010-01-18  Richard Guenther  <rguenther@suse.de>
10714
10715         PR middle-end/39954
10716         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
10717         builtin calls.
10718
10719 2010-01-18  Richard Guenther  <rguenther@suse.de>
10720
10721         PR tree-optimization/42781
10722         * tree-ssa-structalias.c (find_what_var_points_to): Skip
10723         restrict processing only if the original variable was artificial.
10724
10725 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
10726
10727         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
10728         find number of popped argument bytes.
10729
10730         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
10731         Fix the text that describes the return value for invalid insns.
10732
10733         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
10734
10735         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
10736         Clarify what 'cost of the -dependence' is.  Fix quoting.
10737
10738         * toplev.c (default_get_pch_validity): Rename argument to "sz".
10739         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
10740
10741 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
10742
10743         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
10744         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
10745
10746 2010-01-17  Richard Guenther  <rguenther@suse.de>
10747
10748         PR middle-end/42248
10749         * function.c (split_complex_args): Take a VEC to modify.
10750         (assign_parms_augmented_arg_list): Build a VEC instead of
10751         a chain of PARM_DECLs.
10752         (assign_parms_unsplit_complex): Take a VEC of arguments.
10753         Do not fixup unmodified parms.
10754         (assign_parms): Deal with the VEC.
10755         (gimplify_parameters): Likewise.
10756
10757 2010-01-17  Richard Guenther  <rguenther@suse.de>
10758
10759         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
10760         node existence check.
10761         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
10762         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
10763         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
10764         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
10765         (gimple_execute_on_growing_pred): Likewise.
10766
10767 2010-01-17  Richard Guenther  <rguenther@suse.de>
10768
10769         PR tree-optimization/42773
10770         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
10771         (compute_antic_aux): Likewise.
10772         (compute_partial_antic_aux): Likewise.
10773
10774 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
10775
10776         PR debug/42767
10777         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
10778         and US_TRUNCATE.
10779
10780 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
10781
10782         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
10783         appearance.
10784
10785         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
10786         Fix markup for strict argument.
10787
10788         (TARGET_SCHED_REORDER2): Fix argument types.
10789
10790         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
10791         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
10792
10793         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
10794         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
10795
10796         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
10797         Add argument name.
10798
10799         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
10800         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
10801         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
10802         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
10803         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
10804
10805         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
10806
10807         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
10808
10809         (TARGET_ASM_RELOC_RW_MASK): Add return type.
10810         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
10811
10812         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
10813
10814         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
10815         Use prototype.
10816
10817         (TARGET_ASM_NAMED_SECTION): Fix argument list.
10818
10819         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
10820         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
10821
10822         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
10823
10824         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
10825
10826         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
10827         referring to it.  Fix language.
10828
10829         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
10830
10831         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
10832
10833         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
10834
10835         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
10836
10837         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
10838         '@var{stream}.  Remove stray 'and'.
10839
10840         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
10841
10842         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
10843
10844         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
10845
10846         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
10847         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
10848
10849         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
10850         Fix description of return value.
10851         Rename argument "sz" to "len."
10852
10853         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
10854         Clarify meaning of 'true' return value.
10855
10856         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
10857
10858         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
10859         rep_mode versus mode_rep.
10860
10861         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
10862
10863         (TARGET_BUILTIN_DECL): Fix name.
10864
10865         (TARGET_COMMUTATIVE_P): Fix type of first argument.
10866
10867         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
10868
10869         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
10870
10871         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
10872
10873         (TARGET_RELAXED_ORDERING): Use @deftypevr.
10874
10875         (TARGET_GET_DRAP_RTX): Note that this is a hook.
10876         Clarify language.
10877
10878         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
10879         Rename argument tm_fn to md_fn.
10880
10881         (TARGET_OPTION_PRINT): Fix argument list.
10882
10883 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
10884
10885         PR target/42664
10886         * config/i386/i386.c (ix86_fixup_binary_operands):
10887         Revert FMA4 fixup of operands.
10888
10889 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10890
10891         PR gcc/42525
10892         * Makefile.in (write_entries_to_file, install-plugin):
10893         Use \012 instead of \n with tr.
10894
10895 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
10896
10897         * configure.ac (HAVE_AS_REF): New C macro.
10898         * configure: Regenerate.
10899         * config.in: Likewise.
10900         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
10901         if HAVE_AS_REF.
10902         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
10903         if HAVE_AS_REF.
10904
10905 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
10906
10907         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
10908
10909         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
10910
10911         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
10912
10913         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
10914
10915         (TARGET_IN_SMALL_DATA_P): Fix argument type.
10916
10917         (TARGET_BINDS_LOCAL_P): Fix argument type.
10918
10919         (TARGET_ASM_FILE_END): Use prototype.
10920
10921         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
10922
10923         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
10924
10925         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
10926
10927         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
10928
10929         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
10930         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
10931
10932         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
10933         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
10934
10935         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
10936         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
10937         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
10938         (TARGET_ADDR_SPACE_CONVERT): Likewise.
10939
10940         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
10941
10942         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
10943
10944         (TARGET_INIT_BUILTINS): Use prototype.
10945
10946         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10947         Put 'const char *' in braces.  Fix parameter types.
10948         (TARGET_INVALID_CONVERSION): Fix parameter types.
10949         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
10950         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
10951
10952         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
10953         Fix argument type.
10954
10955         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
10956
10957         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
10958
10959 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
10960
10961         * doc/tm.texi (TARGET_HELP): Fix return type.
10962
10963         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
10964         in braces.  Fix argument types.
10965
10966         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
10967
10968         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
10969
10970         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
10971
10972         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
10973         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
10974
10975         (TARGET_MANGLE_TYPE): Fix argument types.
10976
10977         (TARGET_IRA_COVER_CLASSES): Use prototype.
10978
10979         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
10980
10981         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
10982
10983         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
10984
10985         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
10986
10987         (TARGET_CALLEE_COPIES): Fix argument types.
10988
10989         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
10990
10991         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
10992
10993         (TARGET_FUNCTION_VALUE): Fix argument types.
10994
10995         (TARGET_RETURN_IN_MSB): Fix argument type.
10996
10997         (TARGET_RETURN_IN_MEMORY): Fix argument types.
10998
10999         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
11000
11001         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
11002
11003         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
11004         agree with return type.
11005
11006         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
11007
11008 2010-01-15  Jing Yu  <jingyu@google.com>
11009
11010         PR rtl-optimization/42691
11011         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
11012         a pseudo to a constant and are merged, and adjust comments.
11013
11014 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
11015
11016         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
11017
11018 2010-01-15  Richard Guenther  <rguenther@suse.de>
11019
11020         PR middle-end/42739
11021         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
11022         labels of computed or non-local gotos to the destination.
11023         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
11024         landing pad label is the first label.
11025
11026 2010-01-15  Richard Guenther  <rguenther@suse.de>
11027
11028         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
11029
11030 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
11031
11032         PR target/42747
11033         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
11034         to allow generation of the xssqrtdp instruction on power7.
11035         (sqrtdf2_fpr): Ditto.
11036
11037 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
11038
11039         PR middle-end/42674
11040         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
11041         functions with noreturn attribute.
11042
11043         PR c++/42608
11044         * varasm.c (declare_weak): Add weak attribute to decl if it
11045         doesn't have one already.
11046         (assemble_external): Only add decls to weak_decls if they also
11047         have weak attribute.
11048
11049 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
11050
11051         * var-tracking.c (var_reg_delete): Don't delete the association
11052         between REGs and values or one-part variables if the register
11053         isn't clobbered.
11054
11055 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
11056
11057         PR debug/42657
11058         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
11059         because its first operand is a non-localized variable.
11060
11061 2010-01-14  Martin Jambor  <mjambor@suse.cz>
11062
11063         PR tree-optimization/42706
11064         * tree-sra.c (encountered_recursive_call): New variable.
11065         (encountered_unchangable_recursive_call): Likewise.
11066         (sra_initialize): Initialize both new variables.
11067         (callsite_has_enough_arguments_p): New function.
11068         (scan_function): Call decl and flags check only for IPA-SRA, check
11069         whether there is a recursive call and whether it has enough arguments.
11070         (all_callers_have_enough_arguments_p): New function.
11071         (convert_callers): Look for recursive calls only when
11072         encountered_recursive_call is set.
11073         (ipa_early_sra): Bail out either if
11074         !all_callers_have_enough_arguments_p or
11075         encountered_unchangable_recursive_call.
11076
11077 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11078
11079         * sel-sched.c: Add 2010 to copyright years.
11080         * sel-sched-ir.c: Likewise.
11081         * sel-sched-ir.h: Likewise.
11082
11083 2010-01-14  Martin Jambor  <mjambor@suse.cz>
11084
11085         PR tree-optimization/42714
11086         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
11087         constructors specially.
11088
11089 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11090
11091         * config/i386/drivers-i386.c (detect_caches_intel):
11092         Add l2sizekb parameter and fill in.
11093         (host_detect_local_cpu): Add l2sizekb, fill in.
11094         Add Atom small cache heuristic.
11095
11096 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11097
11098         * config/i386/drivers-i386.c (detect_caches_cpuid4):
11099         Add level3 parameter and fill in.
11100         (detect_caches_intel): Handle level3 cache.
11101
11102 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11103
11104         * config/i386/drivers-i386.c (host_detect_local_cpu):
11105         Fix core duo detection.
11106
11107 2010-01-14  Andi Kleen  <ak@linux.intel.com>
11108
11109         * config/i386/drivers-i386.c (host_detect_local_cpu):
11110         Fix Atom detection.
11111
11112 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11113
11114         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
11115         (rs6000_variable_issue_1): this.  Use...
11116         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
11117
11118 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11119
11120         * sel-sched-ir.c (sel_restore_other_notes): Rename to
11121         sel_restore_notes.  Update all callers.  Call reemit_notes
11122         for all insns.
11123
11124 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11125
11126         PR rtl-optimization/42246
11127         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
11128         loops.
11129
11130 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11131
11132         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
11133         all successors is the same as number of successors in current region.
11134
11135 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11136
11137         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
11138         to rename is not separable.  Otherwise check that its LHS is not NULL.
11139
11140 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11141
11142         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
11143
11144 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11145
11146         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
11147         available registers when failed to discover LHS register class.
11148         Fix indentation.  Update comment.
11149
11150 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11151             Alexander Monakov  <amonakov@ispras.ru>
11152
11153         PR rtl-optimization/42389
11154         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
11155         to can_issue_more.
11156         (advance_state_on_fence): Likewise.
11157         (sel_target_adjust_priority): Print debug output only when
11158         sched_verbose >= 4, not 2.
11159         (get_expr_cost): Do not issue all unique insns on the next cycle.
11160         (fill_insns): Initialize can_issue_more from the value saved
11161         with the fence.
11162         * sel-sched-ir.c (flist_add): New parameter issue_more.
11163         Init FENCE_ISSUE_MORE with it.
11164         (merge_fences): Likewise.
11165         (init_fences): Update call to flist_add.
11166         (add_to_fences, add_clean_fence_to_fences)
11167         (add_dirty_fence_to_fences): Likewise.
11168         (move_fence_to_fences): Update call to merge_fences.
11169         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
11170         sched groups.
11171         * sel-sched-ir.h (struct _fence): New field issue_more.
11172         (FENCE_ISSUE_MORE): New accessor macro.
11173
11174 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11175
11176         PR rtl-optimization/42388
11177         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
11178         that have no predecessors nor successors.  Do not call move_bb_info
11179         for empty blocks outside of current region.
11180
11181 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11182
11183         PR rtl-optimization/42294
11184         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
11185         * sel-sched.c (move_exprs_to_boundary): Transitively add all
11186         originators' originators.
11187
11188 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
11189
11190         PR rtl-optimization/39453
11191         PR rtl-optimization/42246
11192         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
11193         for pipelining_p.
11194         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
11195
11196 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
11197             Alexander Monakov  <amonakov@ispras.ru>
11198
11199         PR middle-end/42245
11200         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
11201         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
11202         argument.  Update all callers.
11203         (tidy_control_flow): ... and here.  Recompute topological order
11204         of basic blocks in region if necessary.
11205         (sel_redirect_edge_and_branch): Change return type.  Return true
11206         if topological order might have been invalidated.
11207         (purge_empty_blocks): Export and move from...
11208         * sel-sched.c (purge_empty_blocks): ... here.
11209         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
11210         (maybe_tidy_empty_bb): Delete prototype.
11211         (purge_empty_blocks): Declare.
11212
11213 2010-01-14  Andrey Belevantsev <abel@ispras.ru>
11214
11215         PR rtl-optimization/42249
11216         * sel-sched.c (try_replace_dest_reg): When chosen register
11217         and original register is the same, do not bail out early, but
11218         still check all original insns for validity of replacing destination
11219         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
11220         in this case.
11221
11222 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
11223
11224         PR c/42721
11225         Port from no-undefined-overflow branch:
11226         2009-03-09  Richard Guenther  <rguenther@suse.de>
11227
11228         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
11229
11230 2010-01-14  Richard Guenther  <rguenther@suse.de>
11231
11232         PR lto/42665
11233         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
11234
11235 2010-01-14  Ira Rosen  <irar@il.ibm.com>
11236
11237         PR tree-optimization/42709
11238         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
11239         as scalar type in creation of constant vector operand.
11240
11241 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11242
11243         PR testsuite/42414
11244         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
11245         (check-parallel-%): Match `testsuite' directory component only
11246         at the end.
11247
11248 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
11249
11250         PR translation/39521
11251         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
11252         strings with _().
11253
11254 2010-01-13  Richard Guenther  <rguenther@suse.de>
11255
11256         PR tree-optimization/42730
11257         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
11258         offset zero.
11259
11260 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
11261
11262         PR target/pr42542
11263         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
11264         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
11265         them signed.
11266
11267 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
11268
11269         * config/bfin/libgcc-bfin.ver: Regenerate based on current
11270         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
11271         ___umulsi3_highpart.
11272
11273         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
11274         rather than schedule_insns if the pass is enabled.
11275
11276 2010-01-13  Martin Jambor  <mjambor@suse.cz>
11277
11278         PR tree-optimization/42704
11279         * tree-sra.c (sra_modify_assign): Do not delete assignments to
11280         SSA_NAMEs.
11281
11282 2010-01-13  Martin Jambor  <mjambor@suse.cz>
11283
11284         PR tree-optimization/42703
11285         * tree-sra.c (analyze_access_subtree): Check that we can build a
11286         reference to the original data within the aggregate.
11287
11288 2010-01-13  Richard Guenther  <rguenther@suse.de>
11289
11290         PR tree-optimization/42705
11291         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
11292
11293 2010-01-13  Richard Guenther  <rguenther@suse.de>
11294
11295         PR middle-end/42716
11296         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
11297
11298 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
11299
11300         PR debug/41371
11301         * var-tracking.c (values_to_unmark): New variable.
11302         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
11303         values_to_unmark vector.  Moved body to...
11304         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
11305         instead queue it into values_to_unmark vector.
11306         (vt_find_locations): Free values_to_unmark vector.
11307
11308 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
11309
11310         * config/s390/s390.c (override_options): Set
11311         default of max-pending-list-length to 256
11312
11313 2010-01-13  Richard Guenther  <rguenther@suse.de>
11314
11315         PR lto/42678
11316         * tree-pass.h (PROP_gimple_lcx): New.
11317         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
11318         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
11319         before the final cleanup_eh.
11320         (dump_properties): Dump PROP_gimple_lcx.
11321         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
11322         (tree_lower_complex_O0): Remove.
11323         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
11324         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
11325         tree_lower_complex, schedule TODO_update_ssa.
11326         * lto-streamer-out.c (output_function): Stream the functions
11327         properties.
11328         * lto-streamer-in.c (input_function): Likewise.
11329         (lto_read_body): Do not override them here.
11330
11331 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
11332
11333         PR c/42708
11334         * c-typeck.c (build_c_cast): Fold value cast to union type before
11335         wrapping it in a CONSTRUCTOR.
11336
11337 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
11338
11339         PR rtl-optimization/42699
11340         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
11341         involved.
11342
11343 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11344
11345         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
11346         SUBTARGET_WARN_UNUSED_SPEC): Move ...
11347         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
11348         SUBTARGET_WARN_UNUSED_SPEC): ... here
11349         * config/mips/iris5.h (LIBGCC_SPEC): Define.
11350
11351 2010-01-12  Julian Brown  <julian@codesourcery.com>
11352
11353         * config/arm/neon-schedgen.ml (Utils): Don't try to
11354         open missing module.
11355         (find_with_result): New.
11356
11357 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
11358
11359         PR debug/42662
11360         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
11361         sharing when canonicalizing ({lt,ge}u (plus a b) b).
11362
11363         PR tree-optimization/42645
11364         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
11365         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
11366         decl_map, set processing_debug_stmt to -1 and return name without
11367         any remapping.
11368
11369 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
11370
11371         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
11372         binutils version, and reword target configuration description.
11373
11374 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
11375
11376         * config/avr/avr.h (LINKER_NAME): Remove.
11377
11378 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
11379
11380         PR target/42416
11381         * config/rs6000/rs6000.c (rs6000_override_options): On targets
11382         that support VSX, warn for -mno-altivec if vsx is not disabled,
11383         and disable vsx.
11384
11385 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
11386             Shujing Zhao  <pearly.zhao@oracle.com>
11387
11388         PR translation/42469
11389         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
11390         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
11391         character between option name and help text.
11392         * c.opt (imultilib): Likewise.
11393
11394 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
11395
11396         * lto-streamer-out.c (output_unreferenced_globals): Output static
11397         variables.
11398
11399 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
11400
11401         PR rtl-optimization/42621
11402         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
11403         optimizing for size.
11404         (duplicate_computed_gotos): Remove now-redundant check.
11405
11406 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
11407
11408         PR target/37454
11409         * configure.ac: Save and restore LDFLAGS and LIBS
11410         * configure: Regenerate.
11411
11412 2010-01-10  Richard Guenther  <rguenther@suse.de>
11413
11414         PR middle-end/42667
11415         * builtins.c (fold_builtin_strlen): Add type argument and
11416         convert the resulting length to it.
11417         (fold_builtin_1): Adjust.
11418
11419 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
11420
11421         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
11422         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
11423         1 insn.
11424         (num_insns_constant_wide): Adjust for that change.
11425
11426 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11427
11428         PR debug/42631
11429         * web.c (union_defs): Add used argument, to combine uses of
11430         uninitialized regs.
11431         (entry_register): Adjust type and tests of used argument.
11432         (web_main): Widen used for new use.  Pass it to union_defs.
11433         * df.h (union_defs): Adjust prototype.
11434
11435 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11436
11437         PR debug/42630
11438         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
11439         uses in new incoming argument.  Free body.
11440         (reset_debug_uses_in_loop): New.
11441         (analyze_insn_to_expand_var): Call the latter if the former found
11442         anything.  Fix whitespace.  Reject invalid dest overlaps before
11443         going through all insns in the loop.
11444
11445 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11446
11447         PR debug/42629
11448         * haifa-sched.c (dying_use_p): Debug insns don't count.
11449
11450 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11451
11452         PR middle-end/42363
11453         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
11454         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
11455         (verify_gimple_call): Reject LHS in noreturn calls.
11456
11457 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11458
11459         PR debug/42604
11460         PR debug/42395
11461         * tree-vect-loop-manip.c (adjust_info): New type.
11462         (adjust_vec): New pointer to vector.
11463         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
11464         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
11465         (slpeel_update_phis_for_duplicate_loop): Use them.
11466         (slpeel_update_phi_nodes_for_guard1): Likewise.
11467         (slpeel_update_phi_nodes_for_guard2): Likewise.
11468         (slpeel_tree_peel_loop_to_edge): Likewise.
11469         (vect_update_ivs_after_vectorizer): Likewise.
11470
11471 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11472
11473         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
11474         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
11475
11476 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
11477
11478         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
11479         bogus uninitialized warning.
11480
11481 2010-01-09  Richard Guenther  <rguenther@suse.de>
11482
11483         PR middle-end/42512
11484         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
11485         the evolution is compatible with the initial condition.
11486
11487 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
11488
11489         * gcc.c (process_command): Update copyright notice dates.
11490         * gcov.c (print_version): Likewise.
11491         * gcov-dump.c (print_version): Likewise.
11492         * mips-tfile.c (main): Likewise.
11493         * mips-tdump.c (main): Likewise.
11494
11495 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
11496
11497         PR target/41885
11498         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
11499         (rotlhi3): Delete.
11500         (rotlhi3_8): Delete.
11501         (rotlsi3): Delete.
11502         (rotlsi3_8): Delete.
11503         (rotlsi3_16): Delete.
11504         (rotlsi3_24): Delete.
11505         (rotl<mode>3): New.
11506         (*rotw<mode>3): New.
11507         (*rotb<mode>3): New.
11508         * config/avr/avr.c (avr_rotate_bytes): New function.
11509         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
11510
11511 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
11512
11513         PR target/37454
11514         * configure.ac: Modify -rdynamic check.
11515         * configure: Regenerate.
11516
11517 2010-01-08  DJ Delorie  <dj@redhat.com>
11518
11519         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
11520         register popping order.
11521
11522 2010-01-08  Richard Guenther  <rguenther@suse.de>
11523
11524         PR lto/42528
11525         * c.opt (fsigned-char): Also let LTO handle this option.
11526         (funsigned-char): Likewise.
11527
11528 2010-01-07  Richard Guenther  <rguenther@suse.de>
11529
11530         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
11531         (gimple_op): Likewise.
11532         (gimple_op_ptr): Likewise.
11533         (gimple_assign_set_lhs): Remove gcc_assert.
11534         (gimple_assign_set_rhs1): Likewise.
11535         (gimple_assign_set_rhs2): Likewise.
11536         (gimple_call_set_lhs): Likewise.
11537         (gimple_call_set_fn): Likewise.
11538         (gimple_call_set_fndecl): Likewise.
11539         (gimple_call_fndecl): Likewise.
11540         (gimple_call_return_type): Likewise.
11541         (gimple_call_set_chain): Likewise.
11542         (gimple_call_num_args): Likewise.
11543         (gimple_call_set_arg): Likewise.
11544         (gimple_cond_set_code): Likewise.
11545         (gimple_cond_set_lhs): Likewise.
11546         (gimple_cond_set_rhs): Likewise.
11547         (gimple_cond_set_true_label): Likewise.
11548         (gimple_cond_set_false_label): Likewise.
11549         (gimple_label_set_label): Likewise.
11550         (gimple_goto_set_dest): Likewise.
11551         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
11552         (gimple_debug_bind_get_value): Likewise.
11553         (gimple_debug_bind_get_value_ptr): Likewise.
11554         (gimple_debug_bind_set_var): Likewise.
11555         (gimple_debug_bind_set_value): Likewise.
11556         (gimple_debug_bind_reset_value): Likewise.
11557         (gimple_debug_bind_has_value_p): Likewise.
11558         (gimple_return_retval_ptr): Remove gcc_assert.
11559         (gimple_return_retval): Likewise.
11560         (gimple_return_set_retval): Likewise.
11561         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
11562         (safe_referenced_var_iterator): Remove.
11563         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
11564         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
11565         (fill_referenced_var_vec): Remove.
11566         (first_readonly_imm_use): Remove redundant gcc_assert.
11567         (phi_arg_index_from_use): Combine gcc_asserts.
11568         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
11569         (first_imm_use_stmt): Remove redundant gcc_assert.
11570         * tree-cfg.c (verify_gimple_call): Verify function and chain
11571         operands.  Verify arguments.
11572         (verify_types_in_gimple_stmt): Verify condition code and labels.
11573
11574 2010-01-07  Richard Guenther  <rguenther@suse.de>
11575
11576         PR tree-optimization/42641
11577         * sese.c (rename_map_elt_info): Use the SSA name version, do
11578         not hash pointers.
11579
11580 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
11581
11582         PR tree-optimization/42625
11583         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
11584         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
11585
11586 2010-01-07  Duncan Sands  <baldrick@free.fr>
11587
11588         * Makefile.in (PLUGIN_HEADERS): Add version.h.
11589
11590 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
11591
11592         PR target/42511
11593         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
11594         note itself is not function_invariant_p.
11595
11596 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
11597
11598         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
11599         Do not add the DF_NOTE problem.
11600         * store-motion.c (execute_rtl_store_motion): Likewise.
11601
11602 2010-01-07  Martin Jambor  <mjambor@suse.cz>
11603
11604         PR tree-optimization/42157
11605         * tree-sra.c (compare_access_positions): Stabilize sort if both
11606         accesses have integer types, return zero immediately if they are the
11607         same.
11608
11609 2010-01-06  Richard Henderson  <rth@redhat.com>
11610
11611         PR middle-end/41883
11612         * haifa-sched.c (add_to_note_list): Merge into ...
11613         (concat_note_lists): ... here, and ...
11614         (unlink_other_notes, rm_other_notes): Merge into...
11615         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
11616         NOTE_INSN_EPILOGUE_BEG.
11617
11618 2010-01-06  Richard Guenther  <rguenther@suse.de>
11619
11620         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
11621         not inline regular functions into always-inline functions.
11622
11623 2010-01-06  Nick Clifton  <nickc@redhat.com>
11624
11625         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
11626         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
11627         used together.
11628         (OVERRIDE_OPTIONS): Delete.
11629         (OPTIMIZATION_OPTIONS): Define.
11630         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
11631         * config/rx/rx.c (rx_handle_option): Issue an error message if
11632         -mcpu=rx200 and -fpu are used together.
11633         (rx_set_optimization_options): New function.  Issue an error
11634         message if an optimization attribute attempts to reset the FPU/
11635         math optimization pairing.
11636         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
11637         * config/rx/rx.opt: Set the default to 32-bit doubles.
11638         * config/rx/t-rx: Add multilibs for -nofpu option.
11639         * doc/invoke.texi: Update documentation of RX options.
11640
11641 2010-01-06  Richard Guenther  <rguenther@suse.de>
11642
11643         * tree-ssa-pre.c (name_to_id): New global.
11644         (alloc_expression_id): Simplify SSA name handling.
11645         (lookup_expression_id): Likewise.
11646         (init_pre): Zero name_to_id.
11647         (fini_pre): Free it.
11648
11649 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
11650
11651         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
11652
11653 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
11654
11655         PR target/42542
11656         * config/i386/sse.md (smaxv2di3): New.
11657         (umaxv2di3): Likewise.
11658         (sminv2di3): Likewise.
11659         (uminv2di3): Likewise.
11660
11661 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
11662
11663         PR target/42564
11664         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
11665         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
11666         (legitimize_tls_address): Likewise.
11667         (sparc_tls_referenced_p): Likewise.
11668         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
11669         and adjust calls to legitimize_pic_address.
11670         (legitimate_constant_p) Use sparc_tls_referenced_p.
11671         (legitimate_pic_operand_p): Likewise.
11672         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
11673         (sparc_tls_symbol_ref_1): Delete.
11674         (sparc_tls_referenced_p): Make static, recognize specific patterns.
11675         (legitimize_tls_address): Make static, handle CONST patterns.
11676         (legitimize_pic_address): Make static, remove unused parameter and
11677         adjust recursive calls.
11678         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
11679         and adjust call to legitimize_pic_address.
11680         (sparc_output_mi_thunk): Likewise.
11681
11682 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
11683             H.J. Lu  <hongjiu.lu@intel.com>
11684
11685         PR target/42542
11686         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
11687         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
11688         operands to make them signed.
11689
11690         Revert:
11691         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11692
11693         PR target/42542
11694         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
11695         GTU to GT for V4SI and V2DI.
11696
11697         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
11698         (umin<mode>3): Removed.
11699         (uminv8hi3): New.
11700         (uminv4si3): Likewise.
11701
11702 2010-01-05  Martin Jambor  <mjambor@suse.cz>
11703
11704         PR tree-optimization/42462
11705         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
11706         current_function_decl to helper functions and macros.
11707
11708 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11709
11710         PR bootstrap/41771
11711         * flags.h: Don't include real.h.
11712         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
11713         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
11714         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
11715         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
11716         * dominance.c: Update copyright.
11717         * gimple.c (walk_gimple_op): Remove inline.
11718         * tree-ssa-reassoc.c: Include real.h.
11719         * Makefile.in (FLAGS_H): Remove $(REAL_H).
11720         (tree-ssa-reassoc.o): Depend on $(REAL_H).
11721
11722 2010-01-05  Nick Clifton  <nickc@redhat.com>
11723
11724         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
11725         register to push into the stack frame when the accumulator has to
11726         be saved during interrupts.
11727
11728 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
11729
11730         * doc/invoke.texi: Remove the documentation about option
11731         -Wunreachable-code.
11732         * common.opt (Wunreachable-code):  Preserved for backward
11733         compatibility.
11734         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
11735         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
11736         the backward compatibility flag section.
11737
11738 2010-01-05  Richard Guenther  <rguenther@suse.de>
11739
11740         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
11741
11742 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
11743
11744         PR other/42611
11745         * cfgexpand.c (expand_one_var): Diagnose too large variables.
11746
11747         PR tree-optimization/42508
11748         * tree-sra.c (convert_callers): Check for recursive call
11749         by comparing cgraph nodes instead of decls.
11750         (modify_function): Call ipa_modify_formal_parameters also
11751         on all same_body aliases.
11752
11753         * cgraphunit.c (cgraph_materialize_all_clones): Compare
11754         cgraph nodes when checking for same_body aliases.
11755
11756 2010-01-05  Richard Guenther  <rguenther@suse.de>
11757
11758         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
11759         allocation and lookup.
11760         (get_or_alloc_expr_for_constant): Likewise.
11761         (phi_translate): Sink allocation.
11762
11763 2010-01-04  Richard Guenther  <rguenther@suse.de>
11764
11765         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
11766         a new entry only if needed.
11767         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
11768         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
11769         hashtable lookup.
11770         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
11771         the result array.
11772         (phi_translate): Handle CONSTANTs early.
11773
11774 2010-01-04  Martin Jambor  <mjambor@suse.cz>
11775
11776         PR tree-optimization/42398
11777         * tree-sra.c (struct access): Removed flag grp_different_types.
11778         (dump_access): Do not dump the removed flag.
11779         (sort_and_splice_var_accesses): Do not set the removed flag.
11780         (sra_modify_expr): Check for type compatibility directly.
11781
11782 2010-01-04  Martin Jambor  <mjambor@suse.cz>
11783
11784         PR tree-optimization/42366
11785         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
11786         edges with variable number of parameters.
11787         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
11788         flag instead of asserting it.
11789         (ipa_read_node_info): Read uses_analysis_done flag.
11790
11791 2010-01-04  Richard Guenther  <rguenther@suse.de>
11792
11793         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
11794         iterative_hash_* as intended.
11795         (vn_reference_compute_hash): Likewise.  Simplify hashing
11796         SSA names.
11797         (vn_reference_lookup_2): Likewise.
11798         (vn_nary_op_compute_hash): Likewise.
11799         (vn_phi_compute_hash): Likewise.
11800         (expressions_equal_p): Remove strange code.
11801         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
11802         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
11803         (bitmap_insert_into_set_1): Take value-id as parameter.
11804         (add_to_value): Pass it.
11805         (bitmap_insert_into_set): Likewise.
11806         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
11807
11808 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
11809
11810         PR driver/42442
11811         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
11812         (do_self_spec): For switches with SWITCH_IGNORE set set also
11813         SWITCH_IGNORE_PERMANENTLY.
11814         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
11815         of SWITCH_IGNORE.
11816
11817 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
11818
11819         * lto-streamer-out.c (output_unreferenced_globals): Output the full
11820         tree of an unreferenced global var.
11821
11822 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11823
11824         PR target/42542
11825         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
11826         GTU to GT for V4SI and V2DI.
11827
11828         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
11829         (umin<mode>3): Removed.
11830         (uminv8hi3): New.
11831         (uminv4si3): Likewise.
11832
11833 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
11834
11835         PR lto/42581
11836         * collect2.c (main): Turn on trace in collect2 if -v is passed
11837         to gcc with LTO.
11838
11839 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
11840
11841         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
11842         description of expression operand.
11843
11844 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
11845
11846         * configure.ac: Add install-html to target_list for Make-hooks.
11847         * configure: Regenerate.
11848         * fortran/Make-lang.in (F95_HTMLFILES): New.
11849         (fortran.html): Use it.
11850         (fortran.install-html): New.
11851         * Makefile.in (install-html): Add lang.install-html.
11852         * java/Make-lang.in (JAVA_HTMLFILES): New.
11853         (java.html): Use it.
11854         (java.install-html): New.
11855         * objc/Make-lang.in (objc.install-html): New.
11856         * objcp/Make-lang.in (obj-c++.install-html): New.
11857         * cp/Make-lang.in (c++.install-html): New.
11858         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
11859         * lto/Make-lang.in (lto.install-html): New.
11860
11861 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11862
11863         PR lto/42520
11864         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
11865
11866 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11867
11868         PR rtl-optimization/41862
11869         * store-motion.c (store_killed_in_insn, compute_store_table,
11870         remove_reachable_equiv_notes, replace_store_insn,
11871         build_store_vectors): Ignore all DEBUG_INSNs.
11872
11873 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
11874
11875         PR lto/41564
11876         * common.opt: Add dumpdir.
11877
11878         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
11879         isn't specified.
11880         (option_map): Add --dumpdir.
11881
11882         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
11883
11884         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
11885
11886         * opts.c (decode_options): Try dump_dir_name first if
11887         dump_base_name isn't an absolute path.
11888         (common_handle_option): Handle OPT_dumpdir.
11889
11890         * toplev.c (dump_dir_name): New.
11891         (print_switch_values): Also ignore -dumpdir.
11892
11893         * toplev.h (dump_dir_name): New.
11894
11895 2010-01-03  Richard Guenther  <rguenther@suse.de>
11896
11897         PR tree-optimization/42589
11898         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
11899         double-word expansion of bswap32.
11900
11901 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
11902
11903         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
11904         with BLOCK_FOR_INSN.
11905         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
11906         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
11907         noce_process_if_block): Likewise.
11908         * gcse.c (compute_local_properties, insert_expr_in_table,
11909         insert_set_in_table, canon_list_insert, find_avail_set,
11910         pre_insert_copy_insn): Likewise.
11911
11912         * basic-block.h (BLOCK_NUM): Move from here...
11913         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
11914
11915 2010-01-03  Richard Guenther  <rguenther@suse.de>
11916
11917         PR tree-optimization/42438
11918         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
11919         contains_may_not_return_call flag.
11920         (BB_MAY_NOTRETURN): New.
11921         (valid_in_sets): Trapping nary operations are not valid
11922         in blocks that may not return.
11923         (insert_into_preds_of_block): Remove check for trapping expressions.
11924         (compute_avail): Compute also BB_MAY_NOTRETURN.
11925
11926 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
11927
11928         * doc/invoke.texi: Add 2010 to copyright years.
11929
11930 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
11931
11932         * config/sparc/sparc.c: Fix formatting nits.
11933
11934 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
11935             Alexander Monakov  <amonakov@ispras.ru>
11936
11937         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
11938
11939 2010-01-02  Richard Guenther  <rguenther@suse.de>
11940
11941         PR middle-end/42577
11942         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
11943         (simplify_switch_using_ranges): Mark to be removed edges
11944         as non-executable.
11945
11946 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11947
11948         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
11949
11950         * collect2.c (scan_libraries): Add missing argument in call to
11951         scan_prog_file.
11952
11953 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
11954
11955         PR target/42448
11956         * config/alpha/predicates.md (aligned_memory_operand): Return false
11957         for CQImode.
11958         (unaligned_memory_operand): Return true for CQImode.
11959         * config/alpha/alpha.c (get_aligned_mem): Assert that location
11960         doesn not cross aligned SImode word boundary.
11961
11962 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
11963
11964         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
11965         Remove.
11966         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
11967         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
11968
11969 2010-01-02  Richard Guenther  <rguenther@suse.de>
11970
11971         PR lto/41597
11972         * toplev.c (compile_file): Emit LTO marker properly.  Change
11973         it to __gnu_lto_v1.
11974         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
11975
11976 2010-01-01  Richard Guenther  <rguenther@suse.de>
11977
11978         PR debug/42455
11979         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
11980
11981 2010-01-01  Richard Guenther  <rguenther@suse.de>
11982
11983         PR c/42570
11984         * c-decl.c (grokdeclarator): For zero-size arrays force
11985         structural equality checks as layout_type does.
11986
11987 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11988
11989         * builtins.c: Update copyright to 2010.
11990
11991 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
11992
11993         PR lto/42531
11994         * lto-streamer-out.c (produce_asm): Revert the last change.
11995         (copy_function): Likewise.
11996
11997         * lto-streamer.c (lto_get_section_name): Skip any leading
11998         asterisk in name.
11999
12000 2010-01-01  Richard Guenther  <rguenther@suse.de>
12001
12002         PR middle-end/42559
12003         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
12004         for LABEL_DECLs.
12005
12006 \f
12007 Copyright (C) 2010 Free Software Foundation, Inc.
12008
12009 Copying and distribution of this file, with or without modification,
12010 are permitted in any medium without royalty provided the copyright
12011 notice and this notice are preserved.